Fix issue with under maintenance feature

* protocol: starttls: add timeout support

Signed-off-by: Charles Decoux <charles@phowork.fr>

* protocol: add ssl support

Signed-off-by: Charles Decoux <charles@phowork.fr>

.dockerignore

@@ -1,6 +1,7 @@
-example
+examples
 Dockerfile
 .github
 .idea
 .git
-web/app
+web/app
+*.db

.gitattributes

@@ -1 +1 @@
-* text=lf
+* text=auto eol=lf

.github/assets/gatus-diagram.drawio

@@ -1 +1 @@
-<mxfile host="app.diagrams.net" modified="2021-07-30T04:27:17.723Z" agent="5.0 (Windows)" etag="hZKgW5ZLl0WUgYrCJXa4" version="14.9.2" type="device"><diagram id="1euQ5oT3BAcxlUCibzft" name="Page-1">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</diagram></mxfile>
+<mxfile host="app.diagrams.net" modified="2021-09-12T22:49:28.336Z" agent="5.0 (Windows)" etag="r9FJ6Bphqwq-LaTO-jp3" version="15.0.6" type="device"><diagram id="FBbfVOMCjf6Z2LK8Yagy" name="Page-1">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</diagram></mxfile>

.github/codecov.yml

@@ -1,5 +1,6 @@
 ignore:
   - "watchdog/watchdog.go"
+  - "storage/store/sql/specific_postgres.go" # Can't test for postgres
 
 coverage:
   status:

Makefile

@@ -1,14 +1,37 @@
+BINARY=gatus
+
+install:
+	go build -mod vendor -o $(BINARY) .
+
+run:
+	GATUS_CONFIG_FILE=./config.yaml ./$(BINARY)
+
+clean:
+	rm $(BINARY)
+
+test:
+	sudo go test ./alerting/... ./client/... ./config/... ./controller/... ./core/... ./jsonpath/... ./pattern/... ./security/... ./storage/... ./util/... ./watchdog/... -cover
+
+
+##########
+# Docker #
+##########
+
 docker-build:
 	docker build -t twinproduction/gatus:latest .
 
-docker-build-and-run:
-	docker build -t twinproduction/gatus:latest . && docker run -p 8080:8080 --name gatus twinproduction/gatus:latest
+docker-run:
+	docker run -p 8080:8080 --name gatus twinproduction/gatus:latest
 
-build-frontend:
+docker-build-and-run: docker-build docker-run
+
+
+#############
+# Front end #
+#############
+
+frontend-build:
 	npm --prefix web/app run build
 
-run-frontend:
+frontend-run:
 	npm --prefix web/app run serve
-
-test:
-	go test ./alerting/... ./client/... ./config/... ./controller/... ./core/... ./jsonpath/... ./pattern/... ./security/... ./storage/... ./util/... ./watchdog/... -cover

alerting/provider/custom/custom.go

@@ -5,7 +5,6 @@ import (
 	"errors"
 	"fmt"
 	"io/ioutil"
-	"log"
 	"net/http"
 	"os"
 	"strings"
@@ -20,7 +19,6 @@ import (
 type AlertProvider struct {
 	URL          string                       `yaml:"url"`
 	Method       string                       `yaml:"method,omitempty"`
-	Insecure     bool                         `yaml:"insecure,omitempty"` // deprecated
 	Body         string                       `yaml:"body,omitempty"`
 	Headers      map[string]string            `yaml:"headers,omitempty"`
 	Placeholders map[string]map[string]string `yaml:"placeholders,omitempty"`
@@ -36,11 +34,6 @@ type AlertProvider struct {
 func (provider *AlertProvider) IsValid() bool {
 	if provider.ClientConfig == nil {
 		provider.ClientConfig = client.GetDefaultConfig()
-		// XXX: remove the next 4 lines in v3.0.0
-		if provider.Insecure {
-			log.Println("WARNING: alerting.*.insecure has been deprecated and will be removed in v3.0.0 in favor of alerting.*.client.insecure")
-			provider.ClientConfig.Insecure = true
-		}
 	}
 	return len(provider.URL) > 0 && provider.ClientConfig != nil
 }

alerting/provider/mattermost/mattermost.go

@@ -2,7 +2,6 @@ package mattermost
 
 import (
 	"fmt"
-	"log"
 	"net/http"
 
 	"github.com/TwinProduction/gatus/alerting/alert"
@@ -14,7 +13,6 @@ import (
 // AlertProvider is the configuration necessary for sending an alert using Mattermost
 type AlertProvider struct {
 	WebhookURL string `yaml:"webhook-url"`
-	Insecure   bool   `yaml:"insecure,omitempty"` // deprecated
 
 	// ClientConfig is the configuration of the client used to communicate with the provider's target
 	ClientConfig *client.Config `yaml:"client"`
@@ -27,11 +25,6 @@ type AlertProvider struct {
 func (provider *AlertProvider) IsValid() bool {
 	if provider.ClientConfig == nil {
 		provider.ClientConfig = client.GetDefaultConfig()
-		// XXX: remove the next 3 lines in v3.0.0
-		if provider.Insecure {
-			log.Println("WARNING: alerting.mattermost.insecure has been deprecated and will be removed in v3.0.0 in favor of alerting.mattermost.client.insecure")
-			provider.ClientConfig.Insecure = true
-		}
 	}
 	return len(provider.WebhookURL) > 0
 }

alerting/provider/messagebird/messagebird.go

@@ -37,7 +37,6 @@ func (provider *AlertProvider) ToCustomAlertProvider(service *core.Service, aler
 	} else {
 		message = fmt.Sprintf("TRIGGERED: %s - %s", service.Name, alert.GetDescription())
 	}
-
 	return &custom.AlertProvider{
 		URL:    restAPIURL,
 		Method: http.MethodPost,

client/client.go

@@ -38,7 +38,11 @@ func CanPerformStartTLS(address string, config *Config) (connected bool, certifi
 	if len(hostAndPort) != 2 {
 		return false, nil, errors.New("invalid address for starttls, format must be host:port")
 	}
-	smtpClient, err := smtp.Dial(address)
+	connection, err := net.DialTimeout("tcp", address, config.Timeout)
+	if err != nil {
+		return
+	}
+	smtpClient, err := smtp.NewClient(connection, hostAndPort[0])
 	if err != nil {
 		return
 	}
@@ -57,6 +61,20 @@ func CanPerformStartTLS(address string, config *Config) (connected bool, certifi
 	return true, certificate, nil
 }
 
+// CanPerformTLS checks whether a connection can be established to an address using the TLS protocol
+func CanPerformTLS(address string, config *Config) (connected bool, certificate *x509.Certificate, err error) {
+	connection, err := tls.DialWithDialer(&net.Dialer{Timeout: config.Timeout}, "tcp", address, nil)
+	if err != nil {
+		return
+	}
+	defer connection.Close()
+	verifiedChains := connection.ConnectionState().VerifiedChains
+	if len(verifiedChains) == 0 || len(verifiedChains[0]) == 0 {
+		return
+	}
+	return true, verifiedChains[0][0], nil
+}
+
 // Ping checks if an address can be pinged and returns the round-trip time if the address can be pinged
 //
 // Note that this function takes at least 100ms, even if the address is 127.0.0.1
@@ -67,9 +85,9 @@ func Ping(address string, config *Config) (bool, time.Duration) {
 	}
 	pinger.Count = 1
 	pinger.Timeout = config.Timeout
-	// Set the pinger's privileged mode to true for every operating system except darwin
+	// Set the pinger's privileged mode to true for windows
 	// https://github.com/TwinProduction/gatus/issues/132
-	pinger.SetPrivileged(runtime.GOOS != "darwin")
+	pinger.SetPrivileged(runtime.GOOS == "windows")
 	err = pinger.Run()
 	if err != nil {
 		return false, 0

client/client_test.go

@@ -91,6 +91,56 @@ func TestCanPerformStartTLS(t *testing.T) {
 	}
 }
 
+func TestCanPerformTLS(t *testing.T) {
+	type args struct {
+		address  string
+		insecure bool
+	}
+	tests := []struct {
+		name          string
+		args          args
+		wantConnected bool
+		wantErr       bool
+	}{
+		{
+			name: "invalid address",
+			args: args{
+				address: "test",
+			},
+			wantConnected: false,
+			wantErr:       true,
+		},
+		{
+			name: "error dial",
+			args: args{
+				address: "test:1234",
+			},
+			wantConnected: false,
+			wantErr:       true,
+		},
+		{
+			name: "valid tls",
+			args: args{
+				address: "smtp.gmail.com:465",
+			},
+			wantConnected: true,
+			wantErr:       false,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			connected, _, err := CanPerformTLS(tt.args.address, &Config{Insecure: tt.args.insecure, Timeout: 5 * time.Second})
+			if (err != nil) != tt.wantErr {
+				t.Errorf("CanPerformTLS() err=%v, wantErr=%v", err, tt.wantErr)
+				return
+			}
+			if connected != tt.wantConnected {
+				t.Errorf("CanPerformTLS() connected=%v, wantConnected=%v", connected, tt.wantConnected)
+			}
+		})
+	}
+}
+
 func TestCanCreateTCPConnection(t *testing.T) {
 	if CanCreateTCPConnection("127.0.0.1", &Config{Timeout: 5 * time.Second}) {
 		t.Error("should've failed, because there's no port in the address")

config.yaml

@@ -1,7 +1,7 @@
 services:
   - name: front-end
     group: core
-    url: "https://twinnation.org/health"
+    url: "https://twin.sh/health"
     interval: 1m
     conditions:
       - "[STATUS] == 200"

config/config.go

@@ -10,8 +10,10 @@ import (
 	"github.com/TwinProduction/gatus/alerting"
 	"github.com/TwinProduction/gatus/alerting/alert"
 	"github.com/TwinProduction/gatus/alerting/provider"
+	"github.com/TwinProduction/gatus/config/maintenance"
+	"github.com/TwinProduction/gatus/config/ui"
+	"github.com/TwinProduction/gatus/config/web"
 	"github.com/TwinProduction/gatus/core"
-	"github.com/TwinProduction/gatus/k8s"
 	"github.com/TwinProduction/gatus/security"
 	"github.com/TwinProduction/gatus/storage"
 	"gopkg.in/yaml.v2"
@@ -25,12 +27,6 @@ const (
 	// DefaultFallbackConfigurationFilePath is the default fallback path that will be used to search for the
 	// configuration file if DefaultConfigurationFilePath didn't work
 	DefaultFallbackConfigurationFilePath = "config/config.yml"
-
-	// DefaultAddress is the default address the service will bind to
-	DefaultAddress = "0.0.0.0"
-
-	// DefaultPort is the default port the service will listen on
-	DefaultPort = 8080
 )
 
 var (
@@ -70,14 +66,17 @@ type Config struct {
 	// Services List of services to monitor
 	Services []*core.Service `yaml:"services"`
 
-	// Kubernetes is the Kubernetes configuration
-	Kubernetes *k8s.Config `yaml:"kubernetes"`
-
 	// Storage is the configuration for how the data is stored
 	Storage *storage.Config `yaml:"storage"`
 
 	// Web is the configuration for the web listener
-	Web *WebConfig `yaml:"web"`
+	Web *web.Config `yaml:"web"`
+
+	// UI is the configuration for the UI
+	UI *ui.Config `yaml:"ui"`
+
+	// Maintenance is the configuration for creating a maintenance window in which no alerts are sent
+	Maintenance *maintenance.Config `yaml:"maintenance"`
 
 	filePath        string    // path to the file from which config was loaded from
 	lastFileModTime time.Time // last modification time
@@ -100,6 +99,8 @@ func (config *Config) UpdateLastFileModTime() {
 		if !fileInfo.ModTime().IsZero() {
 			config.lastFileModTime = fileInfo.ModTime()
 		}
+	} else {
+		log.Println("[config][UpdateLastFileModTime] Ran into error updating lastFileModTime:", err.Error())
 	}
 }
 
@@ -148,8 +149,8 @@ func parseAndValidateConfigBytes(yamlBytes []byte) (config *Config, err error) {
 	if err != nil {
 		return
 	}
-	// Check if the configuration file at least has services configured or Kubernetes auto discovery enabled
-	if config == nil || ((config.Services == nil || len(config.Services) == 0) && (config.Kubernetes == nil || !config.Kubernetes.AutoDiscover)) {
+	// Check if the configuration file at least has services configured
+	if config == nil || config.Services == nil || len(config.Services) == 0 {
 		err = ErrNoServiceInConfig
 	} else {
 		// Note that the functions below may panic, and this is on purpose to prevent Gatus from starting with
@@ -161,10 +162,13 @@ func parseAndValidateConfigBytes(yamlBytes []byte) (config *Config, err error) {
 		if err := validateServicesConfig(config); err != nil {
 			return nil, err
 		}
-		if err := validateKubernetesConfig(config); err != nil {
+		if err := validateWebConfig(config); err != nil {
 			return nil, err
 		}
-		if err := validateWebConfig(config); err != nil {
+		if err := validateUIConfig(config); err != nil {
+			return nil, err
+		}
+		if err := validateMaintenanceConfig(config); err != nil {
 			return nil, err
 		}
 		if err := validateStorageConfig(config); err != nil {
@@ -196,32 +200,33 @@ func validateStorageConfig(config *Config) error {
 	return nil
 }
 
-func validateWebConfig(config *Config) error {
-	if config.Web == nil {
-		config.Web = &WebConfig{Address: DefaultAddress, Port: DefaultPort}
+func validateMaintenanceConfig(config *Config) error {
+	if config.Maintenance == nil {
+		config.Maintenance = maintenance.GetDefaultConfig()
 	} else {
-		return config.Web.validateAndSetDefaults()
+		if err := config.Maintenance.ValidateAndSetDefaults(); err != nil {
+			return err
+		}
 	}
 	return nil
 }
 
-// deprecated
-// I don't like the current implementation.
-func validateKubernetesConfig(config *Config) error {
-	if config.Kubernetes != nil && config.Kubernetes.AutoDiscover {
-		log.Println("WARNING - The Kubernetes integration is planned to be removed in v3.0.0. If you're seeing this message, it's because you're currently using it, and you may want to give your opinion at https://github.com/TwinProduction/gatus/discussions/135")
-		if config.Kubernetes.ServiceTemplate == nil {
-			return errors.New("kubernetes.service-template cannot be nil")
-		}
-		if config.Debug {
-			log.Println("[config][validateKubernetesConfig] Automatically discovering Kubernetes services...")
-		}
-		discoveredServices, err := k8s.DiscoverServices(config.Kubernetes)
-		if err != nil {
+func validateUIConfig(config *Config) error {
+	if config.UI == nil {
+		config.UI = ui.GetDefaultConfig()
+	} else {
+		if err := config.UI.ValidateAndSetDefaults(); err != nil {
 			return err
 		}
-		config.Services = append(config.Services, discoveredServices...)
-		log.Printf("[config][validateKubernetesConfig] Discovered %d Kubernetes services", len(discoveredServices))
+	}
+	return nil
+}
+
+func validateWebConfig(config *Config) error {
+	if config.Web == nil {
+		config.Web = web.GetDefaultConfig()
+	} else {
+		return config.Web.ValidateAndSetDefaults()
 	}
 	return nil
 }

config/config_test.go

@@ -2,7 +2,6 @@ package config
 
 import (
 	"fmt"
-	"strings"
 	"testing"
 	"time"
 
@@ -14,13 +13,13 @@ import (
 	"github.com/TwinProduction/gatus/alerting/provider/messagebird"
 	"github.com/TwinProduction/gatus/alerting/provider/pagerduty"
 	"github.com/TwinProduction/gatus/alerting/provider/slack"
+	"github.com/TwinProduction/gatus/alerting/provider/teams"
 	"github.com/TwinProduction/gatus/alerting/provider/telegram"
 	"github.com/TwinProduction/gatus/alerting/provider/twilio"
-	"github.com/TwinProduction/gatus/alerting/provider/teams"
 	"github.com/TwinProduction/gatus/client"
+	"github.com/TwinProduction/gatus/config/ui"
+	"github.com/TwinProduction/gatus/config/web"
 	"github.com/TwinProduction/gatus/core"
-	"github.com/TwinProduction/gatus/k8stest"
-	v1 "k8s.io/api/core/v1"
 )
 
 func TestLoadFileThatDoesNotExist(t *testing.T) {
@@ -39,13 +38,23 @@ func TestLoadDefaultConfigurationFile(t *testing.T) {
 
 func TestParseAndValidateConfigBytes(t *testing.T) {
 	file := t.TempDir() + "/test.db"
+	ui.StaticFolder = "../web/static"
+	defer func() {
+		ui.StaticFolder = "./web/static"
+	}()
 	config, err := parseAndValidateConfigBytes([]byte(fmt.Sprintf(`
 storage:
   file: %s
-
+maintenance:
+  enabled: true
+  start: 00:00
+  duration: 4h
+  every: [Monday, Thursday]
+ui:
+  title: Test
 services:
-  - name: twinnation
-    url: https://twinnation.org/health
+  - name: website
+    url: https://twin.sh/health
     interval: 15s
     conditions:
       - "[STATUS] == 200"
@@ -74,12 +83,18 @@ services:
 	if config == nil {
 		t.Fatal("Config shouldn't have been nil")
 	}
+	if config.UI == nil || config.UI.Title != "Test" {
+		t.Error("Expected Config.UI.Title to be Test")
+	}
+	if mc := config.Maintenance; mc == nil || mc.Start != "00:00" || !mc.IsEnabled() || mc.Duration != 4*time.Hour || len(mc.Every) != 2 {
+		t.Error("Expected Config.Maintenance to be configured properly")
+	}
 	if len(config.Services) != 3 {
 		t.Error("Should have returned two services")
 	}
 
-	if config.Services[0].URL != "https://twinnation.org/health" {
-		t.Errorf("URL should have been %s", "https://twinnation.org/health")
+	if config.Services[0].URL != "https://twin.sh/health" {
+		t.Errorf("URL should have been %s", "https://twin.sh/health")
 	}
 	if config.Services[0].Method != "GET" {
 		t.Errorf("Method should have been %s (default)", "GET")
@@ -148,8 +163,8 @@ services:
 func TestParseAndValidateConfigBytesDefault(t *testing.T) {
 	config, err := parseAndValidateConfigBytes([]byte(`
 services:
-  - name: twinnation
-    url: https://twinnation.org/health
+  - name: website
+    url: https://twin.sh/health
     conditions:
       - "[STATUS] == 200"
 `))
@@ -162,14 +177,14 @@ services:
 	if config.Metrics {
 		t.Error("Metrics should've been false by default")
 	}
-	if config.Web.Address != DefaultAddress {
-		t.Errorf("Bind address should have been %s, because it is the default value", DefaultAddress)
+	if config.Web.Address != web.DefaultAddress {
+		t.Errorf("Bind address should have been %s, because it is the default value", web.DefaultAddress)
 	}
-	if config.Web.Port != DefaultPort {
-		t.Errorf("Port should have been %d, because it is the default value", DefaultPort)
+	if config.Web.Port != web.DefaultPort {
+		t.Errorf("Port should have been %d, because it is the default value", web.DefaultPort)
 	}
-	if config.Services[0].URL != "https://twinnation.org/health" {
-		t.Errorf("URL should have been %s", "https://twinnation.org/health")
+	if config.Services[0].URL != "https://twin.sh/health" {
+		t.Errorf("URL should have been %s", "https://twin.sh/health")
 	}
 	if config.Services[0].Interval != 60*time.Second {
 		t.Errorf("Interval should have been %s, because it is the default value", 60*time.Second)
@@ -190,8 +205,8 @@ func TestParseAndValidateConfigBytesWithAddress(t *testing.T) {
 web:
   address: 127.0.0.1
 services:
-  - name: twinnation
-    url: https://twinnation.org/actuator/health
+  - name: website
+    url: https://twin.sh/actuator/health
     conditions:
       - "[STATUS] == 200"
 `))
@@ -204,8 +219,8 @@ services:
 	if config.Metrics {
 		t.Error("Metrics should've been false by default")
 	}
-	if config.Services[0].URL != "https://twinnation.org/actuator/health" {
-		t.Errorf("URL should have been %s", "https://twinnation.org/actuator/health")
+	if config.Services[0].URL != "https://twin.sh/actuator/health" {
+		t.Errorf("URL should have been %s", "https://twin.sh/actuator/health")
 	}
 	if config.Services[0].Interval != 60*time.Second {
 		t.Errorf("Interval should have been %s, because it is the default value", 60*time.Second)
@@ -213,8 +228,8 @@ services:
 	if config.Web.Address != "127.0.0.1" {
 		t.Errorf("Bind address should have been %s, because it is specified in config", "127.0.0.1")
 	}
-	if config.Web.Port != DefaultPort {
-		t.Errorf("Port should have been %d, because it is the default value", DefaultPort)
+	if config.Web.Port != web.DefaultPort {
+		t.Errorf("Port should have been %d, because it is the default value", web.DefaultPort)
 	}
 }
 
@@ -223,8 +238,8 @@ func TestParseAndValidateConfigBytesWithPort(t *testing.T) {
 web:
   port: 12345
 services:
-  - name: twinnation
-    url: https://twinnation.org/health
+  - name: website
+    url: https://twin.sh/health
     conditions:
       - "[STATUS] == 200"
 `))
@@ -237,14 +252,14 @@ services:
 	if config.Metrics {
 		t.Error("Metrics should've been false by default")
 	}
-	if config.Services[0].URL != "https://twinnation.org/health" {
-		t.Errorf("URL should have been %s", "https://twinnation.org/health")
+	if config.Services[0].URL != "https://twin.sh/health" {
+		t.Errorf("URL should have been %s", "https://twin.sh/health")
 	}
 	if config.Services[0].Interval != 60*time.Second {
 		t.Errorf("Interval should have been %s, because it is the default value", 60*time.Second)
 	}
-	if config.Web.Address != DefaultAddress {
-		t.Errorf("Bind address should have been %s, because it is the default value", DefaultAddress)
+	if config.Web.Address != web.DefaultAddress {
+		t.Errorf("Bind address should have been %s, because it is the default value", web.DefaultAddress)
 	}
 	if config.Web.Port != 12345 {
 		t.Errorf("Port should have been %d, because it is specified in config", 12345)
@@ -257,8 +272,8 @@ web:
   port: 12345
   address: 127.0.0.1
 services:
-  - name: twinnation
-    url: https://twinnation.org/health
+  - name: website
+    url: https://twin.sh/health
     conditions:
       - "[STATUS] == 200"
 `))
@@ -271,8 +286,8 @@ services:
 	if config.Metrics {
 		t.Error("Metrics should've been false by default")
 	}
-	if config.Services[0].URL != "https://twinnation.org/health" {
-		t.Errorf("URL should have been %s", "https://twinnation.org/health")
+	if config.Services[0].URL != "https://twin.sh/health" {
+		t.Errorf("URL should have been %s", "https://twin.sh/health")
 	}
 	if config.Services[0].Interval != 60*time.Second {
 		t.Errorf("Interval should have been %s, because it is the default value", 60*time.Second)
@@ -291,8 +306,8 @@ web:
   port: 65536
   address: 127.0.0.1
 services:
-  - name: twinnation
-    url: https://twinnation.org/health
+  - name: website
+    url: https://twin.sh/health
     conditions:
       - "[STATUS] == 200"
 `))
@@ -305,8 +320,8 @@ func TestParseAndValidateConfigBytesWithMetricsAndCustomUserAgentHeader(t *testi
 	config, err := parseAndValidateConfigBytes([]byte(`
 metrics: true
 services:
-  - name: twinnation
-    url: https://twinnation.org/health
+  - name: website
+    url: https://twin.sh/health
     headers:
       User-Agent: Test/2.0
     conditions:
@@ -321,17 +336,17 @@ services:
 	if !config.Metrics {
 		t.Error("Metrics should have been true")
 	}
-	if config.Services[0].URL != "https://twinnation.org/health" {
-		t.Errorf("URL should have been %s", "https://twinnation.org/health")
+	if config.Services[0].URL != "https://twin.sh/health" {
+		t.Errorf("URL should have been %s", "https://twin.sh/health")
 	}
 	if config.Services[0].Interval != 60*time.Second {
 		t.Errorf("Interval should have been %s, because it is the default value", 60*time.Second)
 	}
-	if config.Web.Address != DefaultAddress {
-		t.Errorf("Bind address should have been %s, because it is the default value", DefaultAddress)
+	if config.Web.Address != web.DefaultAddress {
+		t.Errorf("Bind address should have been %s, because it is the default value", web.DefaultAddress)
 	}
-	if config.Web.Port != DefaultPort {
-		t.Errorf("Port should have been %d, because it is the default value", DefaultPort)
+	if config.Web.Port != web.DefaultPort {
+		t.Errorf("Port should have been %d, because it is the default value", web.DefaultPort)
 	}
 	if userAgent := config.Services[0].Headers["User-Agent"]; userAgent != "Test/2.0" {
 		t.Errorf("User-Agent should've been %s, got %s", "Test/2.0", userAgent)
@@ -345,8 +360,8 @@ web:
   address: 192.168.0.1
   port: 9090
 services:
-  - name: twinnation
-    url: https://twinnation.org/health
+  - name: website
+    url: https://twin.sh/health
     conditions:
       - "[STATUS] == 200"
 `))
@@ -365,8 +380,8 @@ services:
 	if config.Web.Port != 9090 {
 		t.Errorf("Port should have been %d, because it is specified in config", 9090)
 	}
-	if config.Services[0].URL != "https://twinnation.org/health" {
-		t.Errorf("URL should have been %s", "https://twinnation.org/health")
+	if config.Services[0].URL != "https://twin.sh/health" {
+		t.Errorf("URL should have been %s", "https://twin.sh/health")
 	}
 	if config.Services[0].Interval != 60*time.Second {
 		t.Errorf("Interval should have been %s, because it is the default value", 60*time.Second)
@@ -422,8 +437,8 @@ alerting:
     webhook-url: "http://example.com"
 
 services:
-  - name: twinnation
-    url: https://twinnation.org/health
+  - name: website
+    url: https://twin.sh/health
     alerts:
       - type: slack
         enabled: true
@@ -466,8 +481,8 @@ services:
 	if len(config.Services) != 1 {
 		t.Error("There should've been 1 service")
 	}
-	if config.Services[0].URL != "https://twinnation.org/health" {
-		t.Errorf("URL should have been %s", "https://twinnation.org/health")
+	if config.Services[0].URL != "https://twin.sh/health" {
+		t.Errorf("URL should have been %s", "https://twin.sh/health")
 	}
 	if config.Services[0].Interval != 60*time.Second {
 		t.Errorf("Interval should have been %s, because it is the default value", 60*time.Second)
@@ -628,8 +643,8 @@ alerting:
       enabled: true
 
 services:
- - name: twinnation
-   url: https://twinnation.org/health
+ - name: website
+   url: https://twin.sh/health
    alerts:
      - type: slack
      - type: pagerduty
@@ -743,8 +758,8 @@ services:
 	if len(config.Services) != 1 {
 		t.Error("There should've been 1 service")
 	}
-	if config.Services[0].URL != "https://twinnation.org/health" {
-		t.Errorf("URL should have been %s", "https://twinnation.org/health")
+	if config.Services[0].URL != "https://twin.sh/health" {
+		t.Errorf("URL should have been %s", "https://twin.sh/health")
 	}
 	if config.Services[0].Interval != 60*time.Second {
 		t.Errorf("Interval should have been %s, because it is the default value", 60*time.Second)
@@ -866,8 +881,8 @@ alerting:
       description: "description"
 
 services:
- - name: twinnation
-   url: https://twinnation.org/health
+ - name: website
+   url: https://twin.sh/health
    alerts:
      - type: slack
        failure-threshold: 10
@@ -941,8 +956,8 @@ alerting:
   pagerduty:
     integration-key: "INVALID_KEY"
 services:
-  - name: twinnation
-    url: https://twinnation.org/health
+  - name: website
+    url: https://twin.sh/health
     alerts:
       - type: pagerduty
     conditions:
@@ -975,8 +990,8 @@ alerting:
         "text": "[ALERT_TRIGGERED_OR_RESOLVED]: [SERVICE_NAME] - [ALERT_DESCRIPTION]"
       }
 services:
-  - name: twinnation
-    url: https://twinnation.org/health
+  - name: website
+    url: https://twin.sh/health
     alerts:
       - type: custom
     conditions:
@@ -1003,9 +1018,6 @@ services:
 	if config.Alerting.Custom.GetAlertStatePlaceholderValue(false) != "TRIGGERED" {
 		t.Fatal("ALERT_TRIGGERED_OR_RESOLVED placeholder value for TRIGGERED should've been 'TRIGGERED', got", config.Alerting.Custom.GetAlertStatePlaceholderValue(false))
 	}
-	if config.Alerting.Custom.Insecure {
-		t.Fatal("config.Alerting.Custom.Insecure shouldn't have been true")
-	}
 	if config.Alerting.Custom.ClientConfig.Insecure {
 		t.Errorf("ClientConfig.Insecure should have been %v, got %v", false, config.Alerting.Custom.ClientConfig.Insecure)
 	}
@@ -1023,8 +1035,8 @@ alerting:
     insecure: true
     body: "[ALERT_TRIGGERED_OR_RESOLVED]: [SERVICE_NAME] - [ALERT_DESCRIPTION]"
 services:
-  - name: twinnation
-    url: https://twinnation.org/health
+  - name: website
+    url: https://twin.sh/health
     alerts:
       - type: custom
     conditions:
@@ -1051,9 +1063,6 @@ services:
 	if config.Alerting.Custom.GetAlertStatePlaceholderValue(false) != "partial_outage" {
 		t.Fatal("ALERT_TRIGGERED_OR_RESOLVED placeholder value for TRIGGERED should've been 'partial_outage'")
 	}
-	if !config.Alerting.Custom.Insecure {
-		t.Fatal("config.Alerting.Custom.Insecure shouldn't have been true")
-	}
 }
 
 func TestParseAndValidateConfigBytesWithCustomAlertingConfigAndOneCustomPlaceholderValue(t *testing.T) {
@@ -1064,11 +1073,10 @@ alerting:
       ALERT_TRIGGERED_OR_RESOLVED:
         TRIGGERED: "partial_outage"
     url: "https://example.com"
-    insecure: true
     body: "[ALERT_TRIGGERED_OR_RESOLVED]: [SERVICE_NAME] - [ALERT_DESCRIPTION]"
 services:
-  - name: twinnation
-    url: https://twinnation.org/health
+  - name: website
+    url: https://twin.sh/health
     alerts:
       - type: custom
     conditions:
@@ -1095,58 +1103,13 @@ services:
 	if config.Alerting.Custom.GetAlertStatePlaceholderValue(false) != "partial_outage" {
 		t.Fatal("ALERT_TRIGGERED_OR_RESOLVED placeholder value for TRIGGERED should've been 'partial_outage'")
 	}
-	if !config.Alerting.Custom.Insecure {
-		t.Fatal("config.Alerting.Custom.Insecure shouldn't have been true")
-	}
-}
-
-func TestParseAndValidateConfigBytesWithCustomAlertingConfigThatHasInsecureSetToTrue(t *testing.T) {
-	config, err := parseAndValidateConfigBytes([]byte(`
-alerting:
-  custom:
-    url: "https://example.com"
-    method: "POST"
-    insecure: true
-    body: |
-      {
-        "text": "[ALERT_TRIGGERED_OR_RESOLVED]: [SERVICE_NAME] - [ALERT_DESCRIPTION]"
-      }
-services:
-  - name: twinnation
-    url: https://twinnation.org/health
-    alerts:
-      - type: custom
-    conditions:
-      - "[STATUS] == 200"
-`))
-	if err != nil {
-		t.Error("expected no error, got", err.Error())
-	}
-	if config == nil {
-		t.Fatal("Config shouldn't have been nil")
-	}
-	if config.Alerting == nil {
-		t.Fatal("config.Alerting shouldn't have been nil")
-	}
-	if config.Alerting.Custom == nil {
-		t.Fatal("PagerDuty alerting config shouldn't have been nil")
-	}
-	if !config.Alerting.Custom.IsValid() {
-		t.Error("Custom alerting config should've been valid")
-	}
-	if config.Alerting.Custom.Method != "POST" {
-		t.Error("config.Alerting.Custom.Method should've been POST")
-	}
-	if !config.Alerting.Custom.Insecure {
-		t.Error("config.Alerting.Custom.Insecure shouldn't have been true")
-	}
 }
 
 func TestParseAndValidateConfigBytesWithInvalidServiceName(t *testing.T) {
 	_, err := parseAndValidateConfigBytes([]byte(`
 services:
   - name: ""
-    url: https://twinnation.org/health
+    url: https://twin.sh/health
     conditions:
       - "[STATUS] == 200"
 `))
@@ -1192,8 +1155,8 @@ security:
     username: "admin"
     password-sha512: "invalid-sha512-hash"
 services:
-  - name: twinnation
-    url: https://twinnation.org/health
+  - name: website
+    url: https://twin.sh/health
     conditions:
       - "[STATUS] == 200"
 `))
@@ -1211,8 +1174,8 @@ security:
     username: "%s"
     password-sha512: "%s"
 services:
-  - name: twinnation
-    url: https://twinnation.org/health
+  - name: website
+    url: https://twin.sh/health
     conditions:
       - "[STATUS] == 200"
 `, expectedUsername, expectedPasswordHash)))
@@ -1246,113 +1209,6 @@ func TestParseAndValidateConfigBytesWithNoServicesOrAutoDiscovery(t *testing.T)
 	}
 }
 
-func TestParseAndValidateConfigBytesWithKubernetesAutoDiscovery(t *testing.T) {
-	var kubernetesServices []v1.Service
-	kubernetesServices = append(kubernetesServices, k8stest.CreateTestServices("service-1", "default", 8080))
-	kubernetesServices = append(kubernetesServices, k8stest.CreateTestServices("service-2", "default", 8080))
-	kubernetesServices = append(kubernetesServices, k8stest.CreateTestServices("service-2-canary", "default", 8080))
-	kubernetesServices = append(kubernetesServices, k8stest.CreateTestServices("service-3", "kube-system", 8080))
-	kubernetesServices = append(kubernetesServices, k8stest.CreateTestServices("service-4", "tools", 8080))
-	kubernetesServices = append(kubernetesServices, k8stest.CreateTestServices("service-5", "tools", 8080))
-	kubernetesServices = append(kubernetesServices, k8stest.CreateTestServices("service-6", "tools", 8080))
-	kubernetesServices = append(kubernetesServices, k8stest.CreateTestServices("service-7", "metrics", 8080))
-	kubernetesServices = append(kubernetesServices, k8stest.CreateTestServices("service-7-canary", "metrics", 8080))
-	k8stest.InitializeMockedKubernetesClient(kubernetesServices)
-	config, err := parseAndValidateConfigBytes([]byte(`
-debug: true
-
-kubernetes:
-  cluster-mode: "mock"
-  auto-discover: true
-  excluded-service-suffixes:
-    - canary
-  service-template:
-    interval: 29s
-    conditions:
-      - "[STATUS] == 200"
-  namespaces:
-    - name: default
-      hostname-suffix: ".default.svc.cluster.local"
-      target-path: "/health"
-    - name: tools
-      hostname-suffix: ".tools.svc.cluster.local"
-      target-path: "/health"
-      excluded-services:
-        - service-6
-    - name: metrics
-      hostname-suffix: ".metrics.svc.cluster.local"
-      target-path: "/health"
-`))
-	if err != nil {
-		t.Error("expected no error, got", err.Error())
-	}
-	if config == nil {
-		t.Fatal("Config shouldn't have been nil")
-	}
-	if config.Kubernetes == nil {
-		t.Fatal("Kuberbetes config shouldn't have been nil")
-	}
-	if len(config.Services) != 5 {
-		t.Error("Expected 5 services to have been added through k8s auto discovery, got", len(config.Services))
-	}
-	for _, service := range config.Services {
-		if service.Name == "service-2-canary" || service.Name == "service-7-canary" {
-			t.Errorf("service '%s' should've been excluded because excluded-service-suffixes has 'canary'", service.Name)
-		} else if service.Name == "service-6" {
-			t.Errorf("service '%s' should've been excluded because excluded-services has 'service-6'", service.Name)
-		} else if service.Name == "service-3" {
-			t.Errorf("service '%s' should've been excluded because the namespace 'kube-system' is not configured for auto discovery", service.Name)
-		} else {
-			if service.Interval != 29*time.Second {
-				t.Errorf("service '%s' should've had an interval of 29s, because the template is configured for it", service.Name)
-			}
-			if len(service.Conditions) != 1 {
-				t.Errorf("service '%s' should've had 1 condition", service.Name)
-			}
-			if len(service.Conditions) == 1 && *service.Conditions[0] != "[STATUS] == 200" {
-				t.Errorf("service '%s' should've had the condition '[STATUS] == 200', because the template is configured for it", service.Name)
-			}
-			if !strings.HasSuffix(service.URL, ".svc.cluster.local:8080/health") {
-				t.Errorf("service '%s' should've had an URL with the suffix '.svc.cluster.local:8080/health'", service.Name)
-			}
-		}
-	}
-}
-
-func TestParseAndValidateConfigBytesWithKubernetesAutoDiscoveryButNoServiceTemplate(t *testing.T) {
-	_, err := parseAndValidateConfigBytes([]byte(`
-kubernetes:
-  cluster-mode: "mock"
-  auto-discover: true
-  namespaces:
-    - name: default
-      hostname-suffix: ".default.svc.cluster.local"
-      target-path: "/health"
-`))
-	if err == nil {
-		t.Error("should've returned an error because providing a service-template is mandatory")
-	}
-}
-
-func TestParseAndValidateConfigBytesWithKubernetesAutoDiscoveryUsingClusterModeIn(t *testing.T) {
-	_, err := parseAndValidateConfigBytes([]byte(`
-kubernetes:
-  cluster-mode: "in"
-  auto-discover: true
-  service-template:
-    interval: 30s
-    conditions:
-      - "[STATUS] == 200"
-  namespaces:
-    - name: default
-      hostname-suffix: ".default.svc.cluster.local"
-      target-path: "/health"
-`))
-	if err == nil {
-		t.Error("should've returned an error because testing with ClusterModeIn isn't supported")
-	}
-}
-
 func TestGetAlertingProviderByAlertType(t *testing.T) {
 	alertingConfig := &alerting.Config{
 		Custom:      &custom.AlertProvider{},
@@ -1363,7 +1219,7 @@ func TestGetAlertingProviderByAlertType(t *testing.T) {
 		Slack:       &slack.AlertProvider{},
 		Telegram:    &telegram.AlertProvider{},
 		Twilio:      &twilio.AlertProvider{},
-		Teams:      &teams.AlertProvider{},
+		Teams:       &teams.AlertProvider{},
 	}
 	if alertingConfig.GetAlertingProviderByAlertType(alert.TypeCustom) != alertingConfig.Custom {
 		t.Error("expected Custom configuration")

config/maintenance/maintenance.go

@@ -0,0 +1,146 @@
+package maintenance
+
+import (
+	"errors"
+	"fmt"
+	"strconv"
+	"strings"
+	"time"
+)
+
+var (
+	errInvalidMaintenanceStartFormat = errors.New("invalid maintenance start format: must be hh:mm, between 00:00 and 23:59 inclusively (e.g. 23:00)")
+	errInvalidMaintenanceDuration    = errors.New("invalid maintenance duration: must be bigger than 0 (e.g. 30m)")
+	errInvalidDayName                = fmt.Errorf("invalid value specified for 'on'. supported values are %s", longDayNames)
+
+	longDayNames = []string{
+		"Sunday",
+		"Monday",
+		"Tuesday",
+		"Wednesday",
+		"Thursday",
+		"Friday",
+		"Saturday",
+	}
+)
+
+// Config allows for the configuration of a maintenance period.
+// During this maintenance period, no alerts will be sent.
+//
+// Uses UTC.
+type Config struct {
+	Enabled  *bool         `yaml:"enabled"`  // Whether the maintenance period is enabled. Enabled by default if nil.
+	Start    string        `yaml:"start"`    // Time at which the maintenance period starts (e.g. 23:00)
+	Duration time.Duration `yaml:"duration"` // Duration of the maintenance period (e.g. 4h)
+
+	// Every is a list of days of the week during which maintenance period applies.
+	// See longDayNames for list of valid values.
+	// Every day if empty.
+	Every []string `yaml:"every"`
+
+	durationToStartFromMidnight time.Duration
+	timeLocation                *time.Location
+}
+
+func GetDefaultConfig() *Config {
+	defaultValue := false
+	return &Config{
+		Enabled: &defaultValue,
+	}
+}
+
+// IsEnabled returns whether maintenance is enabled or not
+func (c Config) IsEnabled() bool {
+	if c.Enabled == nil {
+		return true
+	}
+	return *c.Enabled
+}
+
+// ValidateAndSetDefaults validates the maintenance configuration and sets the default values if necessary.
+//
+// Must be called once in the application's lifecycle before IsUnderMaintenance is called, since it
+// also sets durationToStartFromMidnight.
+func (c *Config) ValidateAndSetDefaults() error {
+	if c == nil || !c.IsEnabled() {
+		// Don't waste time validating if maintenance is not enabled.
+		return nil
+	}
+	for _, day := range c.Every {
+		isDayValid := false
+		for _, longDayName := range longDayNames {
+			if day == longDayName {
+				isDayValid = true
+				break
+			}
+		}
+		if !isDayValid {
+			return errInvalidDayName
+		}
+	}
+	var err error
+	c.durationToStartFromMidnight, err = hhmmToDuration(c.Start)
+	if err != nil {
+		return err
+	}
+	if c.Duration <= 0 || c.Duration >= 24*time.Hour {
+		return errInvalidMaintenanceDuration
+	}
+	return nil
+}
+
+// IsUnderMaintenance checks whether the services that Gatus monitors are within the configured maintenance window
+func (c Config) IsUnderMaintenance() bool {
+	if !c.IsEnabled() {
+		return false
+	}
+	now := time.Now().UTC()
+	var dayWhereMaintenancePeriodWouldStart time.Time
+	if now.Hour() >= int(c.durationToStartFromMidnight.Hours()) {
+		dayWhereMaintenancePeriodWouldStart = now.Truncate(24 * time.Hour)
+	} else {
+		dayWhereMaintenancePeriodWouldStart = now.Add(-c.Duration).Truncate(24 * time.Hour)
+	}
+	hasMaintenanceEveryDay := len(c.Every) == 0
+	hasMaintenancePeriodScheduledToStartOnThatWeekday := c.hasDay(dayWhereMaintenancePeriodWouldStart.Weekday().String())
+	if !hasMaintenanceEveryDay && !hasMaintenancePeriodScheduledToStartOnThatWeekday {
+		// The day when the maintenance period would start is not scheduled
+		// to have any maintenance, so we can just return false.
+		return false
+	}
+	startOfMaintenancePeriod := dayWhereMaintenancePeriodWouldStart.Add(c.durationToStartFromMidnight)
+	endOfMaintenancePeriod := startOfMaintenancePeriod.Add(c.Duration)
+	return now.After(startOfMaintenancePeriod) && now.Before(endOfMaintenancePeriod)
+}
+
+func (c Config) hasDay(day string) bool {
+	for _, d := range c.Every {
+		if d == day {
+			return true
+		}
+	}
+	return false
+}
+
+func hhmmToDuration(s string) (time.Duration, error) {
+	if len(s) != 5 {
+		return 0, errInvalidMaintenanceStartFormat
+	}
+	var hours, minutes int
+	var err error
+	if hours, err = extractNumericalValueFromPotentiallyZeroPaddedString(s[:2]); err != nil {
+		return 0, err
+	}
+	if minutes, err = extractNumericalValueFromPotentiallyZeroPaddedString(s[3:5]); err != nil {
+		return 0, err
+	}
+	duration := (time.Duration(hours) * time.Hour) + (time.Duration(minutes) * time.Minute)
+	if hours < 0 || hours > 23 || minutes < 0 || minutes > 59 || duration < 0 || duration >= 24*time.Hour {
+		return 0, errInvalidMaintenanceStartFormat
+	}
+	return duration, nil
+}
+
+func extractNumericalValueFromPotentiallyZeroPaddedString(s string) (int, error) {
+	return strconv.Atoi(strings.TrimPrefix(s, "0"))
+}

config/maintenance/maintenance_test.go

@@ -0,0 +1,217 @@
+package maintenance
+
+import (
+	"errors"
+	"fmt"
+	"strconv"
+	"testing"
+	"time"
+)
+
+func TestGetDefaultConfig(t *testing.T) {
+	if *GetDefaultConfig().Enabled {
+		t.Fatal("expected default config to be disabled by default")
+	}
+}
+
+func TestConfig_ValidateAndSetDefaults(t *testing.T) {
+	yes, no := true, false
+	scenarios := []struct {
+		name          string
+		cfg           *Config
+		expectedError error
+	}{
+		{
+			name:          "nil",
+			cfg:           nil,
+			expectedError: nil,
+		},
+		{
+			name: "disabled",
+			cfg: &Config{
+				Enabled: &no,
+			},
+			expectedError: nil,
+		},
+		{
+			name: "invalid-day",
+			cfg: &Config{
+				Every: []string{"invalid-day"},
+			},
+			expectedError: errInvalidDayName,
+		},
+		{
+			name: "invalid-day",
+			cfg: &Config{
+				Every: []string{"invalid-day"},
+			},
+			expectedError: errInvalidDayName,
+		},
+		{
+			name: "invalid-start-format",
+			cfg: &Config{
+				Start: "0000",
+			},
+			expectedError: errInvalidMaintenanceStartFormat,
+		},
+		{
+			name: "invalid-start-hours",
+			cfg: &Config{
+				Start: "25:00",
+			},
+			expectedError: errInvalidMaintenanceStartFormat,
+		},
+		{
+			name: "invalid-start-minutes",
+			cfg: &Config{
+				Start: "0:61",
+			},
+			expectedError: errInvalidMaintenanceStartFormat,
+		},
+		{
+			name: "invalid-start-minutes-non-numerical",
+			cfg: &Config{
+				Start: "00:zz",
+			},
+			expectedError: strconv.ErrSyntax,
+		},
+		{
+			name: "invalid-start-hours-non-numerical",
+			cfg: &Config{
+				Start: "zz:00",
+			},
+			expectedError: strconv.ErrSyntax,
+		},
+		{
+			name: "invalid-duration",
+			cfg: &Config{
+				Start:    "23:00",
+				Duration: 0,
+			},
+			expectedError: errInvalidMaintenanceDuration,
+		},
+		{
+			name: "every-day-at-2300",
+			cfg: &Config{
+				Start:    "23:00",
+				Duration: time.Hour,
+			},
+			expectedError: nil,
+		},
+		{
+			name: "every-monday-at-0000",
+			cfg: &Config{
+				Start:    "00:00",
+				Duration: 30 * time.Minute,
+				Every:    []string{"Monday"},
+			},
+			expectedError: nil,
+		},
+		{
+			name: "every-friday-and-sunday-at-0000-explicitly-enabled",
+			cfg: &Config{
+				Enabled:  &yes,
+				Start:    "08:00",
+				Duration: 8 * time.Hour,
+				Every:    []string{"Friday", "Sunday"},
+			},
+			expectedError: nil,
+		},
+	}
+	for _, scenario := range scenarios {
+		t.Run(scenario.name, func(t *testing.T) {
+			err := scenario.cfg.ValidateAndSetDefaults()
+			if !errors.Is(err, scenario.expectedError) {
+				t.Errorf("expected %v, got %v", scenario.expectedError, err)
+			}
+		})
+	}
+}
+
+func TestConfig_IsUnderMaintenance(t *testing.T) {
+	yes, no := true, false
+	now := time.Now().UTC()
+	scenarios := []struct {
+		name     string
+		cfg      *Config
+		expected bool
+	}{
+		{
+			name: "disabled",
+			cfg: &Config{
+				Enabled: &no,
+			},
+			expected: false,
+		},
+		{
+			name: "under-maintenance-explicitly-enabled",
+			cfg: &Config{
+				Enabled:  &yes,
+				Start:    fmt.Sprintf("%02d:00", now.Hour()),
+				Duration: 2 * time.Hour,
+			},
+			expected: true,
+		},
+		{
+			name: "under-maintenance-starting-now-for-2h",
+			cfg: &Config{
+				Start:    fmt.Sprintf("%02d:00", now.Hour()),
+				Duration: 2 * time.Hour,
+			},
+			expected: true,
+		},
+		{
+			name: "under-maintenance-starting-now-for-8h",
+			cfg: &Config{
+				Start:    fmt.Sprintf("%02d:00", now.Hour()),
+				Duration: 8 * time.Hour,
+			},
+			expected: true,
+		},
+		{
+			name: "under-maintenance-starting-4h-ago-for-8h",
+			cfg: &Config{
+				Start:    fmt.Sprintf("%02d:00", now.Hour()-4),
+				Duration: 8 * time.Hour,
+			},
+			expected: true,
+		},
+		{
+			name: "under-maintenance-starting-4h-ago-for-3h",
+			cfg: &Config{
+				Start:    fmt.Sprintf("%02d:00", now.Hour()-4),
+				Duration: 3 * time.Hour,
+			},
+			expected: false,
+		},
+		{
+			name: "under-maintenance-starting-5h-ago-for-1h",
+			cfg: &Config{
+				Start:    fmt.Sprintf("%02d:00", now.Hour()-5),
+				Duration: time.Hour,
+			},
+			expected: false,
+		},
+		{
+			name: "not-under-maintenance-today",
+			cfg: &Config{
+				Start:    fmt.Sprintf("%02d:00", now.Hour()),
+				Duration: time.Hour,
+				Every:    []string{now.Add(48 * time.Hour).Weekday().String()},
+			},
+			expected: false,
+		},
+	}
+	for _, scenario := range scenarios {
+		t.Run(scenario.name, func(t *testing.T) {
+			if scenario.cfg.ValidateAndSetDefaults() != nil {
+				t.Fatal("validation shouldn't have returned an error")
+			}
+			isUnderMaintenance := scenario.cfg.IsUnderMaintenance()
+			if isUnderMaintenance != scenario.expected {
+				t.Errorf("expected %v, got %v", scenario.expected, isUnderMaintenance)
+				t.Logf("start=%v; duration=%v; now=%v", scenario.cfg.Start, scenario.cfg.Duration, time.Now().UTC())
+			}
+		})
+	}
+}

config/ui/ui.go

@@ -0,0 +1,48 @@
+package ui
+
+import (
+	"bytes"
+	"html/template"
+)
+
+const (
+	defaultTitle = "Health Dashboard | Gatus"
+	defaultLogo  = ""
+)
+
+var (
+	// StaticFolder is the path to the location of the static folder from the root path of the project
+	// The only reason this is exposed is to allow running tests from a different path than the root path of the project
+	StaticFolder = "./web/static"
+)
+
+// Config is the configuration for the UI of Gatus
+type Config struct {
+	Title string `yaml:"title"` // Title of the page
+	Logo  string `yaml:"logo"`  // Logo to display on the page
+}
+
+// GetDefaultConfig returns a Config struct with the default values
+func GetDefaultConfig() *Config {
+	return &Config{
+		Title: defaultTitle,
+		Logo:  defaultLogo,
+	}
+}
+
+// ValidateAndSetDefaults validates the UI configuration and sets the default values if necessary.
+func (cfg *Config) ValidateAndSetDefaults() error {
+	if len(cfg.Title) == 0 {
+		cfg.Title = defaultTitle
+	}
+	t, err := template.ParseFiles(StaticFolder + "/index.html")
+	if err != nil {
+		return err
+	}
+	var buffer bytes.Buffer
+	err = t.Execute(&buffer, cfg)
+	if err != nil {
+		return err
+	}
+	return nil
+}

config/ui/ui_test.go

@@ -0,0 +1,26 @@
+package ui
+
+import (
+	"testing"
+)
+
+func TestConfig_ValidateAndSetDefaults(t *testing.T) {
+	StaticFolder = "../../web/static"
+	defer func() {
+		StaticFolder = "./web/static"
+	}()
+	cfg := &Config{Title: ""}
+	if err := cfg.ValidateAndSetDefaults(); err != nil {
+		t.Error("expected no error, got", err.Error())
+	}
+}
+
+func TestGetDefaultConfig(t *testing.T) {
+	defaultConfig := GetDefaultConfig()
+	if defaultConfig.Title != defaultTitle {
+		t.Error("expected GetDefaultConfig() to return defaultTitle, got", defaultConfig.Title)
+	}
+	if defaultConfig.Logo != defaultLogo {
+		t.Error("expected GetDefaultConfig() to return defaultLogo, got", defaultConfig.Logo)
+	}
+}

config/web/web.go

@@ -1,13 +1,21 @@
-package config
+package web
 
 import (
 	"fmt"
 	"math"
 )
 
-// WebConfig is the structure which supports the configuration of the endpoint
+const (
+	// DefaultAddress is the default address the service will bind to
+	DefaultAddress = "0.0.0.0"
+
+	// DefaultPort is the default port the service will listen on
+	DefaultPort = 8080
+)
+
+// Config is the structure which supports the configuration of the endpoint
 // which provides access to the web frontend
-type WebConfig struct {
+type Config struct {
 	// Address to listen on (defaults to 0.0.0.0 specified by DefaultAddress)
 	Address string `yaml:"address"`
 
@@ -15,8 +23,13 @@ type WebConfig struct {
 	Port int `yaml:"port"`
 }
 
-// validateAndSetDefaults checks and sets the default values for fields that are not set
-func (web *WebConfig) validateAndSetDefaults() error {
+// GetDefaultConfig returns a Config struct with the default values
+func GetDefaultConfig() *Config {
+	return &Config{Address: DefaultAddress, Port: DefaultPort}
+}
+
+// ValidateAndSetDefaults validates the web configuration and sets the default values if necessary.
+func (web *Config) ValidateAndSetDefaults() error {
 	// Validate the Address
 	if len(web.Address) == 0 {
 		web.Address = DefaultAddress
@@ -31,6 +44,6 @@ func (web *WebConfig) validateAndSetDefaults() error {
 }
 
 // SocketAddress returns the combination of the Address and the Port
-func (web *WebConfig) SocketAddress() string {
+func (web *Config) SocketAddress() string {
 	return fmt.Sprintf("%s:%d", web.Address, web.Port)
 }

config/web/web_test.go

@@ -0,0 +1,65 @@
+package web
+
+import (
+	"testing"
+)
+
+func TestGetDefaultConfig(t *testing.T) {
+	defaultConfig := GetDefaultConfig()
+	if defaultConfig.Port != DefaultPort {
+		t.Error("expected default config to have the default port")
+	}
+	if defaultConfig.Address != DefaultAddress {
+		t.Error("expected default config to have the default address")
+	}
+}
+
+func TestConfig_ValidateAndSetDefaults(t *testing.T) {
+	scenarios := []struct {
+		name            string
+		cfg             *Config
+		expectedAddress string
+		expectedPort    int
+		expectedErr     bool
+	}{
+		{
+			name:            "no-explicit-config",
+			cfg:             &Config{},
+			expectedAddress: "0.0.0.0",
+			expectedPort:    8080,
+			expectedErr:     false,
+		},
+		{
+			name:        "invalid-port",
+			cfg:         &Config{Port: 100000000},
+			expectedErr: true,
+		},
+	}
+	for _, scenario := range scenarios {
+		t.Run(scenario.name, func(t *testing.T) {
+			err := scenario.cfg.ValidateAndSetDefaults()
+			if (err != nil) != scenario.expectedErr {
+				t.Errorf("expected the existence of an error to be %v, got %v", scenario.expectedErr, err)
+				return
+			}
+			if !scenario.expectedErr {
+				if scenario.cfg.Port != scenario.expectedPort {
+					t.Errorf("expected port to be %d, got %d", scenario.expectedPort, scenario.cfg.Port)
+				}
+				if scenario.cfg.Address != scenario.expectedAddress {
+					t.Errorf("expected address to be %s, got %s", scenario.expectedAddress, scenario.cfg.Address)
+				}
+			}
+		})
+	}
+}
+
+func TestConfig_SocketAddress(t *testing.T) {
+	web := &Config{
+		Address: "0.0.0.0",
+		Port:    8081,
+	}
+	if web.SocketAddress() != "0.0.0.0:8081" {
+		t.Errorf("expected %s, got %s", "0.0.0.0:8081", web.SocketAddress())
+	}
+}

config/web_test.go

@@ -1,15 +0,0 @@
-package config
-
-import (
-	"testing"
-)
-
-func TestWebConfig_SocketAddress(t *testing.T) {
-	web := &WebConfig{
-		Address: "0.0.0.0",
-		Port:    8081,
-	}
-	if web.SocketAddress() != "0.0.0.0:8081" {
-		t.Errorf("expected %s, got %s", "0.0.0.0:8081", web.SocketAddress())
-	}
-}

controller/badge_test.go

@@ -1,116 +0,0 @@
-package controller
-
-import (
-	"strconv"
-	"testing"
-)
-
-func TestGetBadgeColorFromUptime(t *testing.T) {
-	scenarios := []struct {
-		Uptime        float64
-		ExpectedColor string
-	}{
-		{
-			Uptime:        1,
-			ExpectedColor: badgeColorHexAwesome,
-		},
-		{
-			Uptime:        0.99,
-			ExpectedColor: badgeColorHexAwesome,
-		},
-		{
-			Uptime:        0.97,
-			ExpectedColor: badgeColorHexGreat,
-		},
-		{
-			Uptime:        0.95,
-			ExpectedColor: badgeColorHexGreat,
-		},
-		{
-			Uptime:        0.93,
-			ExpectedColor: badgeColorHexGood,
-		},
-		{
-			Uptime:        0.9,
-			ExpectedColor: badgeColorHexGood,
-		},
-		{
-			Uptime:        0.85,
-			ExpectedColor: badgeColorHexPassable,
-		},
-		{
-			Uptime:        0.7,
-			ExpectedColor: badgeColorHexBad,
-		},
-		{
-			Uptime:        0.65,
-			ExpectedColor: badgeColorHexBad,
-		},
-		{
-			Uptime:        0.6,
-			ExpectedColor: badgeColorHexVeryBad,
-		},
-	}
-	for _, scenario := range scenarios {
-		t.Run("uptime-"+strconv.Itoa(int(scenario.Uptime*100)), func(t *testing.T) {
-			if getBadgeColorFromUptime(scenario.Uptime) != scenario.ExpectedColor {
-				t.Errorf("expected %s from %f, got %v", scenario.ExpectedColor, scenario.Uptime, getBadgeColorFromUptime(scenario.Uptime))
-			}
-		})
-	}
-}
-
-func TestGetBadgeColorFromResponseTime(t *testing.T) {
-	scenarios := []struct {
-		ResponseTime  int
-		ExpectedColor string
-	}{
-		{
-			ResponseTime:  10,
-			ExpectedColor: badgeColorHexAwesome,
-		},
-		{
-			ResponseTime:  50,
-			ExpectedColor: badgeColorHexAwesome,
-		},
-		{
-			ResponseTime:  75,
-			ExpectedColor: badgeColorHexGreat,
-		},
-		{
-			ResponseTime:  150,
-			ExpectedColor: badgeColorHexGreat,
-		},
-		{
-			ResponseTime:  201,
-			ExpectedColor: badgeColorHexGood,
-		},
-		{
-			ResponseTime:  300,
-			ExpectedColor: badgeColorHexGood,
-		},
-		{
-			ResponseTime:  301,
-			ExpectedColor: badgeColorHexPassable,
-		},
-		{
-			ResponseTime:  450,
-			ExpectedColor: badgeColorHexPassable,
-		},
-		{
-			ResponseTime:  700,
-			ExpectedColor: badgeColorHexBad,
-		},
-		{
-			ResponseTime:  1500,
-			ExpectedColor: badgeColorHexVeryBad,
-		},
-	}
-	for _, scenario := range scenarios {
-		t.Run("response-time-"+strconv.Itoa(scenario.ResponseTime), func(t *testing.T) {
-			if getBadgeColorFromResponseTime(scenario.ResponseTime) != scenario.ExpectedColor {
-				t.Errorf("expected %s from %d, got %v", scenario.ExpectedColor, scenario.ResponseTime, getBadgeColorFromResponseTime(scenario.ResponseTime))
-			}
-		})
-	}
-}

controller/controller.go

@@ -1,49 +1,30 @@
 package controller
 
 import (
-	"bytes"
-	"compress/gzip"
 	"context"
-	"encoding/json"
 	"fmt"
 	"log"
 	"net/http"
 	"os"
-	"strings"
 	"time"
 
-	"github.com/TwinProduction/gatus/config"
+	"github.com/TwinProduction/gatus/config/ui"
+	"github.com/TwinProduction/gatus/config/web"
+	"github.com/TwinProduction/gatus/controller/handler"
 	"github.com/TwinProduction/gatus/security"
-	"github.com/TwinProduction/gatus/storage"
-	"github.com/TwinProduction/gatus/storage/store/common"
-	"github.com/TwinProduction/gatus/storage/store/common/paging"
-	"github.com/TwinProduction/gocache"
-	"github.com/TwinProduction/health"
-	"github.com/gorilla/mux"
-	"github.com/prometheus/client_golang/prometheus/promhttp"
-)
-
-const (
-	cacheTTL = 10 * time.Second
 )
 
 var (
-	cache = gocache.NewCache().WithMaxSize(100).WithEvictionPolicy(gocache.FirstInFirstOut)
-
-	// staticFolder is the path to the location of the static folder from the root path of the project
-	// The only reason this is exposed is to allow running tests from a different path than the root path of the project
-	staticFolder = "./web/static"
-
 	// server is the http.Server created by Handle.
 	// The only reason it exists is for testing purposes.
 	server *http.Server
 )
 
 // Handle creates the router and starts the server
-func Handle(securityConfig *security.Config, webConfig *config.WebConfig, enableMetrics bool) {
-	var router http.Handler = CreateRouter(securityConfig, enableMetrics)
+func Handle(securityConfig *security.Config, webConfig *web.Config, uiConfig *ui.Config, enableMetrics bool) {
+	var router http.Handler = handler.CreateRouter(ui.StaticFolder, securityConfig, uiConfig, enableMetrics)
 	if os.Getenv("ENVIRONMENT") == "dev" {
-		router = developmentCorsHandler(router)
+		router = handler.DevelopmentCORS(router)
 	}
 	server = &http.Server{
 		Addr:         fmt.Sprintf("%s:%d", webConfig.Address, webConfig.Port),
@@ -66,118 +47,3 @@ func Shutdown() {
 		server = nil
 	}
 }
-
-// CreateRouter creates the router for the http server
-func CreateRouter(securityConfig *security.Config, enabledMetrics bool) *mux.Router {
-	router := mux.NewRouter()
-	if enabledMetrics {
-		router.Handle("/metrics", promhttp.Handler()).Methods("GET")
-	}
-	router.Handle("/health", health.Handler().WithJSON(true)).Methods("GET")
-	router.HandleFunc("/favicon.ico", favIconHandler).Methods("GET")
-	// Deprecated endpoints
-	router.HandleFunc("/api/v1/statuses", secureIfNecessary(securityConfig, serviceStatusesHandler)).Methods("GET") // No GzipHandler for this one, because we cache the content as Gzipped already
-	router.HandleFunc("/api/v1/statuses/{key}", secureIfNecessary(securityConfig, GzipHandlerFunc(serviceStatusHandler))).Methods("GET")
-	router.HandleFunc("/api/v1/badges/uptime/{duration}/{identifier}", uptimeBadgeHandler).Methods("GET")
-	// New endpoints
-	router.HandleFunc("/api/v1/services/statuses", secureIfNecessary(securityConfig, serviceStatusesHandler)).Methods("GET") // No GzipHandler for this one, because we cache the content as Gzipped already
-	router.HandleFunc("/api/v1/services/{key}/statuses", secureIfNecessary(securityConfig, GzipHandlerFunc(serviceStatusHandler))).Methods("GET")
-	// TODO: router.HandleFunc("/api/v1/services/{key}/uptimes", secureIfNecessary(securityConfig, GzipHandlerFunc(serviceUptimesHandler))).Methods("GET")
-	// TODO: router.HandleFunc("/api/v1/services/{key}/events", secureIfNecessary(securityConfig, GzipHandlerFunc(serviceEventsHandler))).Methods("GET")
-	router.HandleFunc("/api/v1/services/{key}/uptimes/{duration}/badge.svg", uptimeBadgeHandler).Methods("GET")
-	router.HandleFunc("/api/v1/services/{key}/response-times/{duration}/badge.svg", responseTimeBadgeHandler).Methods("GET")
-	router.HandleFunc("/api/v1/services/{key}/response-times/{duration}/chart.svg", responseTimeChartHandler).Methods("GET")
-	// SPA
-	router.HandleFunc("/services/{service}", spaHandler).Methods("GET")
-	// Everything else falls back on static content
-	router.PathPrefix("/").Handler(GzipHandler(http.FileServer(http.Dir(staticFolder))))
-	return router
-}
-
-func secureIfNecessary(securityConfig *security.Config, handler http.HandlerFunc) http.HandlerFunc {
-	if securityConfig != nil && securityConfig.IsValid() {
-		return security.Handler(handler, securityConfig)
-	}
-	return handler
-}
-
-// serviceStatusesHandler handles requests to retrieve all service statuses
-// Due to the size of the response, this function leverages a cache.
-// Must not be wrapped by GzipHandler
-func serviceStatusesHandler(writer http.ResponseWriter, r *http.Request) {
-	page, pageSize := extractPageAndPageSizeFromRequest(r)
-	gzipped := strings.Contains(r.Header.Get("Accept-Encoding"), "gzip")
-	var exists bool
-	var value interface{}
-	if gzipped {
-		writer.Header().Set("Content-Encoding", "gzip")
-		value, exists = cache.Get(fmt.Sprintf("service-status-%d-%d-gzipped", page, pageSize))
-	} else {
-		value, exists = cache.Get(fmt.Sprintf("service-status-%d-%d", page, pageSize))
-	}
-	var data []byte
-	if !exists {
-		var err error
-		buffer := &bytes.Buffer{}
-		gzipWriter := gzip.NewWriter(buffer)
-		data, err = json.Marshal(storage.Get().GetAllServiceStatuses(paging.NewServiceStatusParams().WithResults(page, pageSize)))
-		if err != nil {
-			log.Printf("[controller][serviceStatusesHandler] Unable to marshal object to JSON: %s", err.Error())
-			writer.WriteHeader(http.StatusInternalServerError)
-			_, _ = writer.Write([]byte("Unable to marshal object to JSON"))
-			return
-		}
-		_, _ = gzipWriter.Write(data)
-		_ = gzipWriter.Close()
-		gzippedData := buffer.Bytes()
-		cache.SetWithTTL(fmt.Sprintf("service-status-%d-%d", page, pageSize), data, cacheTTL)
-		cache.SetWithTTL(fmt.Sprintf("service-status-%d-%d-gzipped", page, pageSize), gzippedData, cacheTTL)
-		if gzipped {
-			data = gzippedData
-		}
-	} else {
-		data = value.([]byte)
-	}
-	writer.Header().Add("Content-Type", "application/json")
-	writer.WriteHeader(http.StatusOK)
-	_, _ = writer.Write(data)
-}
-
-// serviceStatusHandler retrieves a single ServiceStatus by group name and service name
-func serviceStatusHandler(writer http.ResponseWriter, r *http.Request) {
-	page, pageSize := extractPageAndPageSizeFromRequest(r)
-	vars := mux.Vars(r)
-	serviceStatus := storage.Get().GetServiceStatusByKey(vars["key"], paging.NewServiceStatusParams().WithResults(page, pageSize).WithEvents(1, common.MaximumNumberOfEvents))
-	if serviceStatus == nil {
-		log.Printf("[controller][serviceStatusHandler] Service with key=%s not found", vars["key"])
-		writer.WriteHeader(http.StatusNotFound)
-		_, _ = writer.Write([]byte("not found"))
-		return
-	}
-	uptime7Days, _ := storage.Get().GetUptimeByKey(vars["key"], time.Now().Add(-24*7*time.Hour), time.Now())
-	uptime24Hours, _ := storage.Get().GetUptimeByKey(vars["key"], time.Now().Add(-24*time.Hour), time.Now())
-	uptime1Hour, _ := storage.Get().GetUptimeByKey(vars["key"], time.Now().Add(-time.Hour), time.Now())
-	data := map[string]interface{}{
-		"serviceStatus": serviceStatus,
-		// The following fields, while present on core.ServiceStatus, are annotated to remain hidden so that we can
-		// expose only the necessary data on /api/v1/statuses.
-		// Since the /api/v1/statuses/{key} endpoint does need this data, however, we explicitly expose it here
-		"events": serviceStatus.Events,
-		// TODO: remove this in v3.0.0. Not used by front-end, only used for API. Left here for v2.x.x backward compatibility
-		"uptime": map[string]float64{
-			"7d":  uptime7Days,
-			"24h": uptime24Hours,
-			"1h":  uptime1Hour,
-		},
-	}
-	output, err := json.Marshal(data)
-	if err != nil {
-		log.Printf("[controller][serviceStatusHandler] Unable to marshal object to JSON: %s", err.Error())
-		writer.WriteHeader(http.StatusInternalServerError)
-		_, _ = writer.Write([]byte("unable to marshal object to JSON"))
-		return
-	}
-	writer.Header().Add("Content-Type", "application/json")
-	writer.WriteHeader(http.StatusOK)
-	_, _ = writer.Write(output)
-}

controller/controller_test.go

@@ -6,327 +6,15 @@ import (
 	"net/http/httptest"
 	"os"
 	"testing"
-	"time"
 
 	"github.com/TwinProduction/gatus/config"
+	"github.com/TwinProduction/gatus/config/web"
 	"github.com/TwinProduction/gatus/core"
-	"github.com/TwinProduction/gatus/storage"
-	"github.com/TwinProduction/gatus/watchdog"
 )
 
-var (
-	firstCondition  = core.Condition("[STATUS] == 200")
-	secondCondition = core.Condition("[RESPONSE_TIME] < 500")
-	thirdCondition  = core.Condition("[CERTIFICATE_EXPIRATION] < 72h")
-
-	timestamp = time.Now()
-
-	testService = core.Service{
-		Name:                    "name",
-		Group:                   "group",
-		URL:                     "https://example.org/what/ever",
-		Method:                  "GET",
-		Body:                    "body",
-		Interval:                30 * time.Second,
-		Conditions:              []*core.Condition{&firstCondition, &secondCondition, &thirdCondition},
-		Alerts:                  nil,
-		NumberOfFailuresInARow:  0,
-		NumberOfSuccessesInARow: 0,
-	}
-	testSuccessfulResult = core.Result{
-		Hostname:              "example.org",
-		IP:                    "127.0.0.1",
-		HTTPStatus:            200,
-		Errors:                nil,
-		Connected:             true,
-		Success:               true,
-		Timestamp:             timestamp,
-		Duration:              150 * time.Millisecond,
-		CertificateExpiration: 10 * time.Hour,
-		ConditionResults: []*core.ConditionResult{
-			{
-				Condition: "[STATUS] == 200",
-				Success:   true,
-			},
-			{
-				Condition: "[RESPONSE_TIME] < 500",
-				Success:   true,
-			},
-			{
-				Condition: "[CERTIFICATE_EXPIRATION] < 72h",
-				Success:   true,
-			},
-		},
-	}
-	testUnsuccessfulResult = core.Result{
-		Hostname:              "example.org",
-		IP:                    "127.0.0.1",
-		HTTPStatus:            200,
-		Errors:                []string{"error-1", "error-2"},
-		Connected:             true,
-		Success:               false,
-		Timestamp:             timestamp,
-		Duration:              750 * time.Millisecond,
-		CertificateExpiration: 10 * time.Hour,
-		ConditionResults: []*core.ConditionResult{
-			{
-				Condition: "[STATUS] == 200",
-				Success:   true,
-			},
-			{
-				Condition: "[RESPONSE_TIME] < 500",
-				Success:   false,
-			},
-			{
-				Condition: "[CERTIFICATE_EXPIRATION] < 72h",
-				Success:   false,
-			},
-		},
-	}
-)
-
-func TestCreateRouter(t *testing.T) {
-	defer storage.Get().Clear()
-	defer cache.Clear()
-	staticFolder = "../web/static"
-	cfg := &config.Config{
-		Metrics: true,
-		Services: []*core.Service{
-			{
-				Name:  "frontend",
-				Group: "core",
-			},
-			{
-				Name:  "backend",
-				Group: "core",
-			},
-		},
-	}
-	watchdog.UpdateServiceStatuses(cfg.Services[0], &core.Result{Success: true, Duration: time.Millisecond, Timestamp: time.Now()})
-	watchdog.UpdateServiceStatuses(cfg.Services[1], &core.Result{Success: false, Duration: time.Second, Timestamp: time.Now()})
-	router := CreateRouter(cfg.Security, cfg.Metrics)
-	type Scenario struct {
-		Name         string
-		Path         string
-		ExpectedCode int
-		Gzip         bool
-	}
-	scenarios := []Scenario{
-		{
-			Name:         "health",
-			Path:         "/health",
-			ExpectedCode: http.StatusOK,
-		},
-		{
-			Name:         "metrics",
-			Path:         "/metrics",
-			ExpectedCode: http.StatusOK,
-		},
-		{
-			Name:         "old-badge-1h",
-			Path:         "/api/v1/badges/uptime/1h/core_frontend.svg",
-			ExpectedCode: http.StatusOK,
-		},
-		{
-			Name:         "old-badge-24h",
-			Path:         "/api/v1/badges/uptime/24h/core_backend.svg",
-			ExpectedCode: http.StatusOK,
-		},
-		{
-			Name:         "old-badge-7d",
-			Path:         "/api/v1/badges/uptime/7d/core_frontend.svg",
-			ExpectedCode: http.StatusOK,
-		},
-		{
-			Name:         "old-badge-with-invalid-duration",
-			Path:         "/api/v1/badges/uptime/3d/core_backend.svg",
-			ExpectedCode: http.StatusBadRequest,
-		},
-		{
-			Name:         "old-badge-for-invalid-key",
-			Path:         "/api/v1/badges/uptime/7d/invalid_key.svg",
-			ExpectedCode: http.StatusNotFound,
-		},
-		{
-			Name:         "badge-uptime-1h",
-			Path:         "/api/v1/services/core_frontend/uptimes/1h/badge.svg",
-			ExpectedCode: http.StatusOK,
-		},
-		{
-			Name:         "badge-uptime-24h",
-			Path:         "/api/v1/services/core_backend/uptimes/24h/badge.svg",
-			ExpectedCode: http.StatusOK,
-		},
-		{
-			Name:         "badge-uptime-7d",
-			Path:         "/api/v1/services/core_frontend/uptimes/7d/badge.svg",
-			ExpectedCode: http.StatusOK,
-		},
-		{
-			Name:         "badge-uptime-with-invalid-duration",
-			Path:         "/api/v1/services/core_backend/uptimes/3d/badge.svg",
-			ExpectedCode: http.StatusBadRequest,
-		},
-		{
-			Name:         "badge-uptime-for-invalid-key",
-			Path:         "/api/v1/services/invalid_key/uptimes/7d/badge.svg",
-			ExpectedCode: http.StatusNotFound,
-		},
-		{
-			Name:         "badge-response-time-1h",
-			Path:         "/api/v1/services/core_frontend/response-times/1h/badge.svg",
-			ExpectedCode: http.StatusOK,
-		},
-		{
-			Name:         "badge-response-time-24h",
-			Path:         "/api/v1/services/core_backend/response-times/24h/badge.svg",
-			ExpectedCode: http.StatusOK,
-		},
-		{
-			Name:         "badge-response-time-7d",
-			Path:         "/api/v1/services/core_frontend/response-times/7d/badge.svg",
-			ExpectedCode: http.StatusOK,
-		},
-		{
-			Name:         "badge-response-time-with-invalid-duration",
-			Path:         "/api/v1/services/core_backend/response-times/3d/badge.svg",
-			ExpectedCode: http.StatusBadRequest,
-		},
-		{
-			Name:         "badge-response-time-for-invalid-key",
-			Path:         "/api/v1/services/invalid_key/response-times/7d/badge.svg",
-			ExpectedCode: http.StatusNotFound,
-		},
-		{
-			Name:         "chart-response-time-24h",
-			Path:         "/api/v1/services/core_backend/response-times/24h/chart.svg",
-			ExpectedCode: http.StatusOK,
-		},
-		{
-			Name:         "chart-response-time-7d",
-			Path:         "/api/v1/services/core_frontend/response-times/7d/chart.svg",
-			ExpectedCode: http.StatusOK,
-		},
-		{
-			Name:         "chart-response-time-with-invalid-duration",
-			Path:         "/api/v1/services/core_backend/response-times/3d/chart.svg",
-			ExpectedCode: http.StatusBadRequest,
-		},
-		{
-			Name:         "chart-response-time-for-invalid-key",
-			Path:         "/api/v1/services/invalid_key/response-times/7d/chart.svg",
-			ExpectedCode: http.StatusNotFound,
-		},
-		{
-			Name:         "old-service-statuses",
-			Path:         "/api/v1/statuses",
-			ExpectedCode: http.StatusOK,
-		},
-		{
-			Name:         "old-service-statuses-gzip",
-			Path:         "/api/v1/statuses",
-			ExpectedCode: http.StatusOK,
-			Gzip:         true,
-		},
-		{
-			Name:         "old-service-statuses-pagination",
-			Path:         "/api/v1/statuses?page=1&pageSize=20",
-			ExpectedCode: http.StatusOK,
-		},
-		{
-			Name:         "old-service-status",
-			Path:         "/api/v1/statuses/core_frontend",
-			ExpectedCode: http.StatusOK,
-		},
-		{
-			Name:         "old-service-status-gzip",
-			Path:         "/api/v1/statuses/core_frontend",
-			ExpectedCode: http.StatusOK,
-			Gzip:         true,
-		},
-		{
-			Name:         "old-service-status-for-invalid-key",
-			Path:         "/api/v1/statuses/invalid_key",
-			ExpectedCode: http.StatusNotFound,
-		},
-		{
-			Name:         "service-statuses",
-			Path:         "/api/v1/services/statuses",
-			ExpectedCode: http.StatusOK,
-		},
-		{
-			Name:         "service-statuses-gzip",
-			Path:         "/api/v1/services/statuses",
-			ExpectedCode: http.StatusOK,
-			Gzip:         true,
-		},
-		{
-			Name:         "service-statuses-pagination",
-			Path:         "/api/v1/services/statuses?page=1&pageSize=20",
-			ExpectedCode: http.StatusOK,
-		},
-		{
-			Name:         "service-status",
-			Path:         "/api/v1/services/core_frontend/statuses",
-			ExpectedCode: http.StatusOK,
-		},
-		{
-			Name:         "service-status-gzip",
-			Path:         "/api/v1/services/core_frontend/statuses",
-			ExpectedCode: http.StatusOK,
-			Gzip:         true,
-		},
-		{
-			Name:         "service-status-pagination",
-			Path:         "/api/v1/services/core_frontend/statuses?page=1&pageSize=20",
-			ExpectedCode: http.StatusOK,
-		},
-		{
-			Name:         "service-status-for-invalid-key",
-			Path:         "/api/v1/services/invalid_key/statuses",
-			ExpectedCode: http.StatusNotFound,
-		},
-		{
-			Name:         "favicon",
-			Path:         "/favicon.ico",
-			ExpectedCode: http.StatusOK,
-		},
-		{
-			Name:         "frontend-home",
-			Path:         "/",
-			ExpectedCode: http.StatusOK,
-		},
-		{
-			Name:         "frontend-assets",
-			Path:         "/js/app.js",
-			ExpectedCode: http.StatusOK,
-		},
-		{
-			Name:         "frontend-service",
-			Path:         "/services/core_frontend",
-			ExpectedCode: http.StatusOK,
-		},
-	}
-	for _, scenario := range scenarios {
-		t.Run(scenario.Name, func(t *testing.T) {
-			request, _ := http.NewRequest("GET", scenario.Path, nil)
-			if scenario.Gzip {
-				request.Header.Set("Accept-Encoding", "gzip")
-			}
-			responseRecorder := httptest.NewRecorder()
-			router.ServeHTTP(responseRecorder, request)
-			if responseRecorder.Code != scenario.ExpectedCode {
-				t.Errorf("%s %s should have returned %d, but returned %d instead", request.Method, request.URL, scenario.ExpectedCode, responseRecorder.Code)
-			}
-		})
-	}
-}
-
 func TestHandle(t *testing.T) {
-	defer storage.Get().Clear()
-	defer cache.Clear()
 	cfg := &config.Config{
-		Web: &config.WebConfig{
+		Web: &web.Config{
 			Address: "0.0.0.0",
 			Port:    rand.Intn(65534),
 		},
@@ -344,7 +32,7 @@ func TestHandle(t *testing.T) {
 	_ = os.Setenv("ROUTER_TEST", "true")
 	_ = os.Setenv("ENVIRONMENT", "dev")
 	defer os.Clearenv()
-	Handle(cfg.Security, cfg.Web, cfg.Metrics)
+	Handle(cfg.Security, cfg.Web, cfg.UI, cfg.Metrics)
 	defer Shutdown()
 	request, _ := http.NewRequest("GET", "/health", nil)
 	responseRecorder := httptest.NewRecorder()
@@ -365,71 +53,3 @@ func TestShutdown(t *testing.T) {
 		t.Error("server should've been shut down")
 	}
 }
-
-func TestServiceStatusesHandler(t *testing.T) {
-	defer storage.Get().Clear()
-	defer cache.Clear()
-	staticFolder = "../web/static"
-	firstResult := &testSuccessfulResult
-	secondResult := &testUnsuccessfulResult
-	storage.Get().Insert(&testService, firstResult)
-	storage.Get().Insert(&testService, secondResult)
-	// Can't be bothered dealing with timezone issues on the worker that runs the automated tests
-	firstResult.Timestamp = time.Time{}
-	secondResult.Timestamp = time.Time{}
-	router := CreateRouter(nil, false)
-
-	type Scenario struct {
-		Name         string
-		Path         string
-		ExpectedCode int
-		ExpectedBody string
-	}
-	scenarios := []Scenario{
-		{
-			Name:         "no-pagination",
-			Path:         "/api/v1/statuses",
-			ExpectedCode: http.StatusOK,
-			ExpectedBody: `{"group_name":{"name":"name","group":"group","key":"group_name","results":[{"status":200,"hostname":"example.org","duration":150000000,"errors":null,"conditionResults":[{"condition":"[STATUS] == 200","success":true},{"condition":"[RESPONSE_TIME] \u003c 500","success":true},{"condition":"[CERTIFICATE_EXPIRATION] \u003c 72h","success":true}],"success":true,"timestamp":"0001-01-01T00:00:00Z"},{"status":200,"hostname":"example.org","duration":750000000,"errors":["error-1","error-2"],"conditionResults":[{"condition":"[STATUS] == 200","success":true},{"condition":"[RESPONSE_TIME] \u003c 500","success":false},{"condition":"[CERTIFICATE_EXPIRATION] \u003c 72h","success":false}],"success":false,"timestamp":"0001-01-01T00:00:00Z"}]}}`,
-		},
-		{
-			Name:         "pagination-first-result",
-			Path:         "/api/v1/statuses?page=1&pageSize=1",
-			ExpectedCode: http.StatusOK,
-			ExpectedBody: `{"group_name":{"name":"name","group":"group","key":"group_name","results":[{"status":200,"hostname":"example.org","duration":750000000,"errors":["error-1","error-2"],"conditionResults":[{"condition":"[STATUS] == 200","success":true},{"condition":"[RESPONSE_TIME] \u003c 500","success":false},{"condition":"[CERTIFICATE_EXPIRATION] \u003c 72h","success":false}],"success":false,"timestamp":"0001-01-01T00:00:00Z"}]}}`,
-		},
-		{
-			Name:         "pagination-second-result",
-			Path:         "/api/v1/statuses?page=2&pageSize=1",
-			ExpectedCode: http.StatusOK,
-			ExpectedBody: `{"group_name":{"name":"name","group":"group","key":"group_name","results":[{"status":200,"hostname":"example.org","duration":150000000,"errors":null,"conditionResults":[{"condition":"[STATUS] == 200","success":true},{"condition":"[RESPONSE_TIME] \u003c 500","success":true},{"condition":"[CERTIFICATE_EXPIRATION] \u003c 72h","success":true}],"success":true,"timestamp":"0001-01-01T00:00:00Z"}]}}`,
-		},
-		{
-			Name:         "pagination-no-results",
-			Path:         "/api/v1/statuses?page=5&pageSize=20",
-			ExpectedCode: http.StatusOK,
-			ExpectedBody: `{"group_name":{"name":"name","group":"group","key":"group_name","results":[]}}`,
-		},
-		{
-			Name:         "invalid-pagination-should-fall-back-to-default",
-			Path:         "/api/v1/statuses?page=INVALID&pageSize=INVALID",
-			ExpectedCode: http.StatusOK,
-			ExpectedBody: `{"group_name":{"name":"name","group":"group","key":"group_name","results":[{"status":200,"hostname":"example.org","duration":150000000,"errors":null,"conditionResults":[{"condition":"[STATUS] == 200","success":true},{"condition":"[RESPONSE_TIME] \u003c 500","success":true},{"condition":"[CERTIFICATE_EXPIRATION] \u003c 72h","success":true}],"success":true,"timestamp":"0001-01-01T00:00:00Z"},{"status":200,"hostname":"example.org","duration":750000000,"errors":["error-1","error-2"],"conditionResults":[{"condition":"[STATUS] == 200","success":true},{"condition":"[RESPONSE_TIME] \u003c 500","success":false},{"condition":"[CERTIFICATE_EXPIRATION] \u003c 72h","success":false}],"success":false,"timestamp":"0001-01-01T00:00:00Z"}]}}`,
-		},
-	}
-
-	for _, scenario := range scenarios {
-		t.Run(scenario.Name, func(t *testing.T) {
-			request, _ := http.NewRequest("GET", scenario.Path, nil)
-			responseRecorder := httptest.NewRecorder()
-			router.ServeHTTP(responseRecorder, request)
-			if responseRecorder.Code != scenario.ExpectedCode {
-				t.Errorf("%s %s should have returned %d, but returned %d instead", request.Method, request.URL, scenario.ExpectedCode, responseRecorder.Code)
-			}
-			output := responseRecorder.Body.String()
-			if output != scenario.ExpectedBody {
-				t.Errorf("expected:\n %s\n\ngot:\n %s", scenario.ExpectedBody, output)
-			}
-		})
-	}
-}

controller/favicon.go

@@ -1,8 +0,0 @@
-package controller
-
-import "net/http"
-
-// favIconHandler handles requests for /favicon.ico
-func favIconHandler(writer http.ResponseWriter, request *http.Request) {
-	http.ServeFile(writer, request, staticFolder+"/favicon.ico")
-}

controller/handler/badge.go

@@ -1,4 +1,4 @@
-package controller
+package handler
 
 import (
 	"fmt"
@@ -21,10 +21,10 @@ const (
 	badgeColorHexVeryBad  = "#c7130a"
 )
 
-// uptimeBadgeHandler handles the automatic generation of badge based on the group name and service name passed.
+// UptimeBadge handles the automatic generation of badge based on the group name and service name passed.
 //
 // Valid values for {duration}: 7d, 24h, 1h
-func uptimeBadgeHandler(writer http.ResponseWriter, request *http.Request) {
+func UptimeBadge(writer http.ResponseWriter, request *http.Request) {
 	variables := mux.Vars(request)
 	duration := variables["duration"]
 	var from time.Time
@@ -34,19 +34,12 @@ func uptimeBadgeHandler(writer http.ResponseWriter, request *http.Request) {
 	case "24h":
 		from = time.Now().Add(-24 * time.Hour)
 	case "1h":
-		from = time.Now().Add(-time.Hour)
+		from = time.Now().Add(-2 * time.Hour) // Because uptime metrics are stored by hour, we have to cheat a little
 	default:
-		writer.WriteHeader(http.StatusBadRequest)
-		_, _ = writer.Write([]byte("Durations supported: 7d, 24h, 1h"))
+		http.Error(writer, "Durations supported: 7d, 24h, 1h", http.StatusBadRequest)
 		return
 	}
-	var key string
-	if identifier := variables["identifier"]; len(identifier) > 0 {
-		// XXX: Remove this conditional statement in v3.0.0 and rely on variables["key"] instead
-		key = strings.TrimSuffix(identifier, ".svg")
-	} else {
-		key = variables["key"]
-	}
+	key := variables["key"]
 	uptime, err := storage.Get().GetUptimeByKey(key, from, time.Now())
 	if err != nil {
 		if err == common.ErrServiceNotFound {
@@ -67,6 +60,45 @@ func uptimeBadgeHandler(writer http.ResponseWriter, request *http.Request) {
 	_, _ = writer.Write(generateUptimeBadgeSVG(duration, uptime))
 }
 
+// ResponseTimeBadge handles the automatic generation of badge based on the group name and service name passed.
+//
+// Valid values for {duration}: 7d, 24h, 1h
+func ResponseTimeBadge(writer http.ResponseWriter, request *http.Request) {
+	variables := mux.Vars(request)
+	duration := variables["duration"]
+	var from time.Time
+	switch duration {
+	case "7d":
+		from = time.Now().Add(-7 * 24 * time.Hour)
+	case "24h":
+		from = time.Now().Add(-24 * time.Hour)
+	case "1h":
+		from = time.Now().Add(-2 * time.Hour) // Because response time metrics are stored by hour, we have to cheat a little
+	default:
+		http.Error(writer, "Durations supported: 7d, 24h, 1h", http.StatusBadRequest)
+		return
+	}
+	key := variables["key"]
+	averageResponseTime, err := storage.Get().GetAverageResponseTimeByKey(key, from, time.Now())
+	if err != nil {
+		if err == common.ErrServiceNotFound {
+			writer.WriteHeader(http.StatusNotFound)
+		} else if err == common.ErrInvalidTimeRange {
+			writer.WriteHeader(http.StatusBadRequest)
+		} else {
+			writer.WriteHeader(http.StatusInternalServerError)
+		}
+		_, _ = writer.Write([]byte(err.Error()))
+		return
+	}
+	formattedDate := time.Now().Format(http.TimeFormat)
+	writer.Header().Set("Cache-Control", "no-cache, no-store, must-revalidate")
+	writer.Header().Set("Date", formattedDate)
+	writer.Header().Set("Expires", formattedDate)
+	writer.Header().Set("Content-Type", "image/svg+xml")
+	_, _ = writer.Write(generateResponseTimeBadgeSVG(duration, averageResponseTime))
+}
+
 func generateUptimeBadgeSVG(duration string, uptime float64) []byte {
 	var labelWidth, valueWidth, valueWidthAdjustment int
 	switch duration {
@@ -133,46 +165,6 @@ func getBadgeColorFromUptime(uptime float64) string {
 	return badgeColorHexVeryBad
 }
 
-// responseTimeBadgeHandler handles the automatic generation of badge based on the group name and service name passed.
-//
-// Valid values for {duration}: 7d, 24h, 1h
-func responseTimeBadgeHandler(writer http.ResponseWriter, request *http.Request) {
-	variables := mux.Vars(request)
-	duration := variables["duration"]
-	var from time.Time
-	switch duration {
-	case "7d":
-		from = time.Now().Add(-7 * 24 * time.Hour)
-	case "24h":
-		from = time.Now().Add(-24 * time.Hour)
-	case "1h":
-		from = time.Now().Add(-time.Hour)
-	default:
-		writer.WriteHeader(http.StatusBadRequest)
-		_, _ = writer.Write([]byte("Durations supported: 7d, 24h, 1h"))
-		return
-	}
-	key := variables["key"]
-	averageResponseTime, err := storage.Get().GetAverageResponseTimeByKey(key, from, time.Now())
-	if err != nil {
-		if err == common.ErrServiceNotFound {
-			writer.WriteHeader(http.StatusNotFound)
-		} else if err == common.ErrInvalidTimeRange {
-			writer.WriteHeader(http.StatusBadRequest)
-		} else {
-			writer.WriteHeader(http.StatusInternalServerError)
-		}
-		_, _ = writer.Write([]byte(err.Error()))
-		return
-	}
-	formattedDate := time.Now().Format(http.TimeFormat)
-	writer.Header().Set("Cache-Control", "no-cache, no-store, must-revalidate")
-	writer.Header().Set("Date", formattedDate)
-	writer.Header().Set("Expires", formattedDate)
-	writer.Header().Set("Content-Type", "image/svg+xml")
-	_, _ = writer.Write(generateResponseTimeBadgeSVG(duration, averageResponseTime))
-}
-
 func generateResponseTimeBadgeSVG(duration string, averageResponseTime int) []byte {
 	var labelWidth, valueWidth int
 	switch duration {

controller/handler/badge_test.go

@@ -0,0 +1,221 @@
+package handler
+
+import (
+	"net/http"
+	"net/http/httptest"
+	"strconv"
+	"testing"
+	"time"
+
+	"github.com/TwinProduction/gatus/config"
+	"github.com/TwinProduction/gatus/core"
+	"github.com/TwinProduction/gatus/storage"
+	"github.com/TwinProduction/gatus/watchdog"
+)
+
+func TestUptimeBadge(t *testing.T) {
+	defer storage.Get().Clear()
+	defer cache.Clear()
+	cfg := &config.Config{
+		Metrics: true,
+		Services: []*core.Service{
+			{
+				Name:  "frontend",
+				Group: "core",
+			},
+			{
+				Name:  "backend",
+				Group: "core",
+			},
+		},
+	}
+	watchdog.UpdateServiceStatuses(cfg.Services[0], &core.Result{Success: true, Duration: time.Millisecond, Timestamp: time.Now()})
+	watchdog.UpdateServiceStatuses(cfg.Services[1], &core.Result{Success: false, Duration: time.Second, Timestamp: time.Now()})
+	router := CreateRouter("../../web/static", cfg.Security, nil, cfg.Metrics)
+	type Scenario struct {
+		Name         string
+		Path         string
+		ExpectedCode int
+		Gzip         bool
+	}
+	scenarios := []Scenario{
+		{
+			Name:         "badge-uptime-1h",
+			Path:         "/api/v1/services/core_frontend/uptimes/1h/badge.svg",
+			ExpectedCode: http.StatusOK,
+		},
+		{
+			Name:         "badge-uptime-24h",
+			Path:         "/api/v1/services/core_backend/uptimes/24h/badge.svg",
+			ExpectedCode: http.StatusOK,
+		},
+		{
+			Name:         "badge-uptime-7d",
+			Path:         "/api/v1/services/core_frontend/uptimes/7d/badge.svg",
+			ExpectedCode: http.StatusOK,
+		},
+		{
+			Name:         "badge-uptime-with-invalid-duration",
+			Path:         "/api/v1/services/core_backend/uptimes/3d/badge.svg",
+			ExpectedCode: http.StatusBadRequest,
+		},
+		{
+			Name:         "badge-uptime-for-invalid-key",
+			Path:         "/api/v1/services/invalid_key/uptimes/7d/badge.svg",
+			ExpectedCode: http.StatusNotFound,
+		},
+		{
+			Name:         "badge-response-time-1h",
+			Path:         "/api/v1/services/core_frontend/response-times/1h/badge.svg",
+			ExpectedCode: http.StatusOK,
+		},
+		{
+			Name:         "badge-response-time-24h",
+			Path:         "/api/v1/services/core_backend/response-times/24h/badge.svg",
+			ExpectedCode: http.StatusOK,
+		},
+		{
+			Name:         "badge-response-time-7d",
+			Path:         "/api/v1/services/core_frontend/response-times/7d/badge.svg",
+			ExpectedCode: http.StatusOK,
+		},
+		{
+			Name:         "badge-response-time-with-invalid-duration",
+			Path:         "/api/v1/services/core_backend/response-times/3d/badge.svg",
+			ExpectedCode: http.StatusBadRequest,
+		},
+		{
+			Name:         "badge-response-time-for-invalid-key",
+			Path:         "/api/v1/services/invalid_key/response-times/7d/badge.svg",
+			ExpectedCode: http.StatusNotFound,
+		},
+		{
+			Name:         "chart-response-time-24h",
+			Path:         "/api/v1/services/core_backend/response-times/24h/chart.svg",
+			ExpectedCode: http.StatusOK,
+		},
+	}
+	for _, scenario := range scenarios {
+		t.Run(scenario.Name, func(t *testing.T) {
+			request, _ := http.NewRequest("GET", scenario.Path, nil)
+			if scenario.Gzip {
+				request.Header.Set("Accept-Encoding", "gzip")
+			}
+			responseRecorder := httptest.NewRecorder()
+			router.ServeHTTP(responseRecorder, request)
+			if responseRecorder.Code != scenario.ExpectedCode {
+				t.Errorf("%s %s should have returned %d, but returned %d instead", request.Method, request.URL, scenario.ExpectedCode, responseRecorder.Code)
+			}
+		})
+	}
+}
+
+func TestGetBadgeColorFromUptime(t *testing.T) {
+	scenarios := []struct {
+		Uptime        float64
+		ExpectedColor string
+	}{
+		{
+			Uptime:        1,
+			ExpectedColor: badgeColorHexAwesome,
+		},
+		{
+			Uptime:        0.99,
+			ExpectedColor: badgeColorHexAwesome,
+		},
+		{
+			Uptime:        0.97,
+			ExpectedColor: badgeColorHexGreat,
+		},
+		{
+			Uptime:        0.95,
+			ExpectedColor: badgeColorHexGreat,
+		},
+		{
+			Uptime:        0.93,
+			ExpectedColor: badgeColorHexGood,
+		},
+		{
+			Uptime:        0.9,
+			ExpectedColor: badgeColorHexGood,
+		},
+		{
+			Uptime:        0.85,
+			ExpectedColor: badgeColorHexPassable,
+		},
+		{
+			Uptime:        0.7,
+			ExpectedColor: badgeColorHexBad,
+		},
+		{
+			Uptime:        0.65,
+			ExpectedColor: badgeColorHexBad,
+		},
+		{
+			Uptime:        0.6,
+			ExpectedColor: badgeColorHexVeryBad,
+		},
+	}
+	for _, scenario := range scenarios {
+		t.Run("uptime-"+strconv.Itoa(int(scenario.Uptime*100)), func(t *testing.T) {
+			if getBadgeColorFromUptime(scenario.Uptime) != scenario.ExpectedColor {
+				t.Errorf("expected %s from %f, got %v", scenario.ExpectedColor, scenario.Uptime, getBadgeColorFromUptime(scenario.Uptime))
+			}
+		})
+	}
+}
+
+func TestGetBadgeColorFromResponseTime(t *testing.T) {
+	scenarios := []struct {
+		ResponseTime  int
+		ExpectedColor string
+	}{
+		{
+			ResponseTime:  10,
+			ExpectedColor: badgeColorHexAwesome,
+		},
+		{
+			ResponseTime:  50,
+			ExpectedColor: badgeColorHexAwesome,
+		},
+		{
+			ResponseTime:  75,
+			ExpectedColor: badgeColorHexGreat,
+		},
+		{
+			ResponseTime:  150,
+			ExpectedColor: badgeColorHexGreat,
+		},
+		{
+			ResponseTime:  201,
+			ExpectedColor: badgeColorHexGood,
+		},
+		{
+			ResponseTime:  300,
+			ExpectedColor: badgeColorHexGood,
+		},
+		{
+			ResponseTime:  301,
+			ExpectedColor: badgeColorHexPassable,
+		},
+		{
+			ResponseTime:  450,
+			ExpectedColor: badgeColorHexPassable,
+		},
+		{
+			ResponseTime:  700,
+			ExpectedColor: badgeColorHexBad,
+		},
+		{
+			ResponseTime:  1500,
+			ExpectedColor: badgeColorHexVeryBad,
+		},
+	}
+	for _, scenario := range scenarios {
+		t.Run("response-time-"+strconv.Itoa(scenario.ResponseTime), func(t *testing.T) {
+			if getBadgeColorFromResponseTime(scenario.ResponseTime) != scenario.ExpectedColor {
+				t.Errorf("expected %s from %d, got %v", scenario.ExpectedColor, scenario.ResponseTime, getBadgeColorFromResponseTime(scenario.ResponseTime))
+			}
+		})
+	}
+}

controller/handler/chart.go

@@ -1,4 +1,4 @@
-package controller
+package handler
 
 import (
 	"log"
@@ -29,7 +29,7 @@ var (
 	}
 )
 
-func responseTimeChartHandler(writer http.ResponseWriter, r *http.Request) {
+func ResponseTimeChart(writer http.ResponseWriter, r *http.Request) {
 	vars := mux.Vars(r)
 	duration := vars["duration"]
 	var from time.Time
@@ -39,8 +39,7 @@ func responseTimeChartHandler(writer http.ResponseWriter, r *http.Request) {
 	case "24h":
 		from = time.Now().Truncate(time.Hour).Add(-24 * time.Hour)
 	default:
-		writer.WriteHeader(http.StatusBadRequest)
-		_, _ = writer.Write([]byte("Durations supported: 7d, 24h"))
+		http.Error(writer, "Durations supported: 7d, 24h", http.StatusBadRequest)
 		return
 	}
 	hourlyAverageResponseTime, err := storage.Get().GetHourlyAverageResponseTimeByKey(vars["key"], from, time.Now())
@@ -116,7 +115,7 @@ func responseTimeChartHandler(writer http.ResponseWriter, r *http.Request) {
 	}
 	writer.Header().Set("Content-Type", "image/svg+xml")
 	if err := graph.Render(chart.SVG, writer); err != nil {
-		log.Println("[controller][responseTimeChartHandler] Failed to render response time chart:", err.Error())
+		log.Println("[handler][ResponseTimeChart] Failed to render response time chart:", err.Error())
 		return
 	}
 }

controller/handler/chart_test.go

@@ -0,0 +1,75 @@
+package handler
+
+import (
+	"net/http"
+	"net/http/httptest"
+	"testing"
+	"time"
+
+	"github.com/TwinProduction/gatus/config"
+	"github.com/TwinProduction/gatus/core"
+	"github.com/TwinProduction/gatus/storage"
+	"github.com/TwinProduction/gatus/watchdog"
+)
+
+func TestResponseTimeChart(t *testing.T) {
+	defer storage.Get().Clear()
+	defer cache.Clear()
+	cfg := &config.Config{
+		Metrics: true,
+		Services: []*core.Service{
+			{
+				Name:  "frontend",
+				Group: "core",
+			},
+			{
+				Name:  "backend",
+				Group: "core",
+			},
+		},
+	}
+	watchdog.UpdateServiceStatuses(cfg.Services[0], &core.Result{Success: true, Duration: time.Millisecond, Timestamp: time.Now()})
+	watchdog.UpdateServiceStatuses(cfg.Services[1], &core.Result{Success: false, Duration: time.Second, Timestamp: time.Now()})
+	router := CreateRouter("../../web/static", cfg.Security, nil, cfg.Metrics)
+	type Scenario struct {
+		Name         string
+		Path         string
+		ExpectedCode int
+		Gzip         bool
+	}
+	scenarios := []Scenario{
+		{
+			Name:         "chart-response-time-24h",
+			Path:         "/api/v1/services/core_backend/response-times/24h/chart.svg",
+			ExpectedCode: http.StatusOK,
+		},
+		{
+			Name:         "chart-response-time-7d",
+			Path:         "/api/v1/services/core_frontend/response-times/7d/chart.svg",
+			ExpectedCode: http.StatusOK,
+		},
+		{
+			Name:         "chart-response-time-with-invalid-duration",
+			Path:         "/api/v1/services/core_backend/response-times/3d/chart.svg",
+			ExpectedCode: http.StatusBadRequest,
+		},
+		{
+			Name:         "chart-response-time-for-invalid-key",
+			Path:         "/api/v1/services/invalid_key/response-times/7d/chart.svg",
+			ExpectedCode: http.StatusNotFound,
+		},
+	}
+	for _, scenario := range scenarios {
+		t.Run(scenario.Name, func(t *testing.T) {
+			request, _ := http.NewRequest("GET", scenario.Path, nil)
+			if scenario.Gzip {
+				request.Header.Set("Accept-Encoding", "gzip")
+			}
+			responseRecorder := httptest.NewRecorder()
+			router.ServeHTTP(responseRecorder, request)
+			if responseRecorder.Code != scenario.ExpectedCode {
+				t.Errorf("%s %s should have returned %d, but returned %d instead", request.Method, request.URL, scenario.ExpectedCode, responseRecorder.Code)
+			}
+		})
+	}
+}

controller/handler/cors.go

@@ -1,8 +1,8 @@
-package controller
+package handler
 
 import "net/http"
 
-func developmentCorsHandler(next http.Handler) http.Handler {
+func DevelopmentCORS(next http.Handler) http.Handler {
 	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 		w.Header().Set("Access-Control-Allow-Origin", "http://localhost:8081")
 		next.ServeHTTP(w, r)

controller/handler/favicon.go

@@ -0,0 +1,12 @@
+package handler
+
+import (
+	"net/http"
+)
+
+// FavIcon handles requests for /favicon.ico
+func FavIcon(staticFolder string) http.HandlerFunc {
+	return func(writer http.ResponseWriter, request *http.Request) {
+		http.ServeFile(writer, request, staticFolder+"/favicon.ico")
+	}
+}

controller/handler/favicon_test.go

@@ -0,0 +1,33 @@
+package handler
+
+import (
+	"net/http"
+	"net/http/httptest"
+	"testing"
+)
+
+func TestFavIcon(t *testing.T) {
+	router := CreateRouter("../../web/static", nil, nil, false)
+	type Scenario struct {
+		Name         string
+		Path         string
+		ExpectedCode int
+	}
+	scenarios := []Scenario{
+		{
+			Name:         "favicon",
+			Path:         "/favicon.ico",
+			ExpectedCode: http.StatusOK,
+		},
+	}
+	for _, scenario := range scenarios {
+		t.Run(scenario.Name, func(t *testing.T) {
+			request, _ := http.NewRequest("GET", scenario.Path, nil)
+			responseRecorder := httptest.NewRecorder()
+			router.ServeHTTP(responseRecorder, request)
+			if responseRecorder.Code != scenario.ExpectedCode {
+				t.Errorf("%s %s should have returned %d, but returned %d instead", request.Method, request.URL, scenario.ExpectedCode, responseRecorder.Code)
+			}
+		})
+	}
+}

controller/handler/gzip.go

@@ -1,4 +1,4 @@
-package controller
+package handler
 
 import (
 	"compress/gzip"

controller/handler/handler.go

@@ -0,0 +1,41 @@
+package handler
+
+import (
+	"net/http"
+
+	"github.com/TwinProduction/gatus/config/ui"
+	"github.com/TwinProduction/gatus/security"
+	"github.com/TwinProduction/health"
+	"github.com/gorilla/mux"
+	"github.com/prometheus/client_golang/prometheus/promhttp"
+)
+
+func CreateRouter(staticFolder string, securityConfig *security.Config, uiConfig *ui.Config, enabledMetrics bool) *mux.Router {
+	router := mux.NewRouter()
+	if enabledMetrics {
+		router.Handle("/metrics", promhttp.Handler()).Methods("GET")
+	}
+	router.Handle("/health", health.Handler().WithJSON(true)).Methods("GET")
+	router.HandleFunc("/favicon.ico", FavIcon(staticFolder)).Methods("GET")
+	// Endpoints
+	router.HandleFunc("/api/v1/services/statuses", secureIfNecessary(securityConfig, ServiceStatuses)).Methods("GET") // No GzipHandler for this one, because we cache the content as Gzipped already
+	router.HandleFunc("/api/v1/services/{key}/statuses", secureIfNecessary(securityConfig, GzipHandlerFunc(ServiceStatus))).Methods("GET")
+	// TODO: router.HandleFunc("/api/v1/services/{key}/uptimes", secureIfNecessary(securityConfig, GzipHandlerFunc(serviceUptimesHandler))).Methods("GET")
+	// TODO: router.HandleFunc("/api/v1/services/{key}/events", secureIfNecessary(securityConfig, GzipHandlerFunc(serviceEventsHandler))).Methods("GET")
+	router.HandleFunc("/api/v1/services/{key}/uptimes/{duration}/badge.svg", UptimeBadge).Methods("GET")
+	router.HandleFunc("/api/v1/services/{key}/response-times/{duration}/badge.svg", ResponseTimeBadge).Methods("GET")
+	router.HandleFunc("/api/v1/services/{key}/response-times/{duration}/chart.svg", ResponseTimeChart).Methods("GET")
+	// SPA
+	router.HandleFunc("/services/{service}", SinglePageApplication(staticFolder, uiConfig)).Methods("GET")
+	router.HandleFunc("/", SinglePageApplication(staticFolder, uiConfig)).Methods("GET")
+	// Everything else falls back on static content
+	router.PathPrefix("/").Handler(GzipHandler(http.FileServer(http.Dir(staticFolder))))
+	return router
+}
+
+func secureIfNecessary(securityConfig *security.Config, handler http.HandlerFunc) http.HandlerFunc {
+	if securityConfig != nil && securityConfig.IsValid() {
+		return security.Handler(handler, securityConfig)
+	}
+	return handler
+}

controller/handler/handler_test.go

@@ -0,0 +1,58 @@
+package handler
+
+import (
+	"net/http"
+	"net/http/httptest"
+	"testing"
+)
+
+func TestCreateRouter(t *testing.T) {
+	router := CreateRouter("../../web/static", nil, nil, true)
+	type Scenario struct {
+		Name         string
+		Path         string
+		ExpectedCode int
+		Gzip         bool
+	}
+	scenarios := []Scenario{
+		{
+			Name:         "health",
+			Path:         "/health",
+			ExpectedCode: http.StatusOK,
+		},
+		{
+			Name:         "metrics",
+			Path:         "/metrics",
+			ExpectedCode: http.StatusOK,
+		},
+		{
+			Name:         "scripts",
+			Path:         "/js/app.js",
+			ExpectedCode: http.StatusOK,
+		},
+		{
+			Name:         "scripts-gzipped",
+			Path:         "/js/app.js",
+			ExpectedCode: http.StatusOK,
+			Gzip:         true,
+		},
+		{
+			Name:         "index-redirect",
+			Path:         "/index.html",
+			ExpectedCode: http.StatusMovedPermanently,
+		},
+	}
+	for _, scenario := range scenarios {
+		t.Run(scenario.Name, func(t *testing.T) {
+			request, _ := http.NewRequest("GET", scenario.Path, nil)
+			if scenario.Gzip {
+				request.Header.Set("Accept-Encoding", "gzip")
+			}
+			responseRecorder := httptest.NewRecorder()
+			router.ServeHTTP(responseRecorder, request)
+			if responseRecorder.Code != scenario.ExpectedCode {
+				t.Errorf("%s %s should have returned %d, but returned %d instead", request.Method, request.URL, scenario.ExpectedCode, responseRecorder.Code)
+			}
+		})
+	}
+}

controller/handler/service_status.go

@@ -0,0 +1,103 @@
+package handler
+
+import (
+	"bytes"
+	"compress/gzip"
+	"encoding/json"
+	"fmt"
+	"log"
+	"net/http"
+	"strings"
+	"time"
+
+	"github.com/TwinProduction/gatus/storage"
+	"github.com/TwinProduction/gatus/storage/store/common"
+	"github.com/TwinProduction/gatus/storage/store/common/paging"
+	"github.com/TwinProduction/gocache"
+	"github.com/gorilla/mux"
+)
+
+const (
+	cacheTTL = 10 * time.Second
+)
+
+var (
+	cache = gocache.NewCache().WithMaxSize(100).WithEvictionPolicy(gocache.FirstInFirstOut)
+)
+
+// ServiceStatuses handles requests to retrieve all service statuses
+// Due to the size of the response, this function leverages a cache.
+// Must not be wrapped by GzipHandler
+func ServiceStatuses(writer http.ResponseWriter, r *http.Request) {
+	page, pageSize := extractPageAndPageSizeFromRequest(r)
+	gzipped := strings.Contains(r.Header.Get("Accept-Encoding"), "gzip")
+	var exists bool
+	var value interface{}
+	if gzipped {
+		writer.Header().Set("Content-Encoding", "gzip")
+		value, exists = cache.Get(fmt.Sprintf("service-status-%d-%d-gzipped", page, pageSize))
+	} else {
+		value, exists = cache.Get(fmt.Sprintf("service-status-%d-%d", page, pageSize))
+	}
+	var data []byte
+	if !exists {
+		var err error
+		buffer := &bytes.Buffer{}
+		gzipWriter := gzip.NewWriter(buffer)
+		serviceStatuses, err := storage.Get().GetAllServiceStatuses(paging.NewServiceStatusParams().WithResults(page, pageSize))
+		if err != nil {
+			log.Printf("[handler][ServiceStatuses] Failed to retrieve service statuses: %s", err.Error())
+			http.Error(writer, err.Error(), http.StatusInternalServerError)
+			return
+		}
+		data, err = json.Marshal(serviceStatuses)
+		if err != nil {
+			log.Printf("[handler][ServiceStatuses] Unable to marshal object to JSON: %s", err.Error())
+			http.Error(writer, "unable to marshal object to JSON", http.StatusInternalServerError)
+			return
+		}
+		_, _ = gzipWriter.Write(data)
+		_ = gzipWriter.Close()
+		gzippedData := buffer.Bytes()
+		cache.SetWithTTL(fmt.Sprintf("service-status-%d-%d", page, pageSize), data, cacheTTL)
+		cache.SetWithTTL(fmt.Sprintf("service-status-%d-%d-gzipped", page, pageSize), gzippedData, cacheTTL)
+		if gzipped {
+			data = gzippedData
+		}
+	} else {
+		data = value.([]byte)
+	}
+	writer.Header().Add("Content-Type", "application/json")
+	writer.WriteHeader(http.StatusOK)
+	_, _ = writer.Write(data)
+}
+
+// ServiceStatus retrieves a single ServiceStatus by group name and service name
+func ServiceStatus(writer http.ResponseWriter, r *http.Request) {
+	page, pageSize := extractPageAndPageSizeFromRequest(r)
+	vars := mux.Vars(r)
+	serviceStatus, err := storage.Get().GetServiceStatusByKey(vars["key"], paging.NewServiceStatusParams().WithResults(page, pageSize).WithEvents(1, common.MaximumNumberOfEvents))
+	if err != nil {
+		if err == common.ErrServiceNotFound {
+			http.Error(writer, err.Error(), http.StatusNotFound)
+			return
+		}
+		log.Printf("[handler][ServiceStatus] Failed to retrieve service status: %s", err.Error())
+		http.Error(writer, err.Error(), http.StatusInternalServerError)
+		return
+	}
+	if serviceStatus == nil {
+		log.Printf("[handler][ServiceStatus] Service with key=%s not found", vars["key"])
+		http.Error(writer, "not found", http.StatusNotFound)
+		return
+	}
+	output, err := json.Marshal(serviceStatus)
+	if err != nil {
+		log.Printf("[handler][ServiceStatus] Unable to marshal object to JSON: %s", err.Error())
+		http.Error(writer, "unable to marshal object to JSON", http.StatusInternalServerError)
+		return
+	}
+	writer.Header().Add("Content-Type", "application/json")
+	writer.WriteHeader(http.StatusOK)
+	_, _ = writer.Write(output)
+}

controller/handler/service_status_test.go

@@ -0,0 +1,215 @@
+package handler
+
+import (
+	"net/http"
+	"net/http/httptest"
+	"testing"
+	"time"
+
+	"github.com/TwinProduction/gatus/config"
+	"github.com/TwinProduction/gatus/core"
+	"github.com/TwinProduction/gatus/storage"
+	"github.com/TwinProduction/gatus/watchdog"
+)
+
+var (
+	firstCondition  = core.Condition("[STATUS] == 200")
+	secondCondition = core.Condition("[RESPONSE_TIME] < 500")
+	thirdCondition  = core.Condition("[CERTIFICATE_EXPIRATION] < 72h")
+
+	timestamp = time.Now()
+
+	testService = core.Service{
+		Name:                    "name",
+		Group:                   "group",
+		URL:                     "https://example.org/what/ever",
+		Method:                  "GET",
+		Body:                    "body",
+		Interval:                30 * time.Second,
+		Conditions:              []*core.Condition{&firstCondition, &secondCondition, &thirdCondition},
+		Alerts:                  nil,
+		NumberOfFailuresInARow:  0,
+		NumberOfSuccessesInARow: 0,
+	}
+	testSuccessfulResult = core.Result{
+		Hostname:              "example.org",
+		IP:                    "127.0.0.1",
+		HTTPStatus:            200,
+		Errors:                nil,
+		Connected:             true,
+		Success:               true,
+		Timestamp:             timestamp,
+		Duration:              150 * time.Millisecond,
+		CertificateExpiration: 10 * time.Hour,
+		ConditionResults: []*core.ConditionResult{
+			{
+				Condition: "[STATUS] == 200",
+				Success:   true,
+			},
+			{
+				Condition: "[RESPONSE_TIME] < 500",
+				Success:   true,
+			},
+			{
+				Condition: "[CERTIFICATE_EXPIRATION] < 72h",
+				Success:   true,
+			},
+		},
+	}
+	testUnsuccessfulResult = core.Result{
+		Hostname:              "example.org",
+		IP:                    "127.0.0.1",
+		HTTPStatus:            200,
+		Errors:                []string{"error-1", "error-2"},
+		Connected:             true,
+		Success:               false,
+		Timestamp:             timestamp,
+		Duration:              750 * time.Millisecond,
+		CertificateExpiration: 10 * time.Hour,
+		ConditionResults: []*core.ConditionResult{
+			{
+				Condition: "[STATUS] == 200",
+				Success:   true,
+			},
+			{
+				Condition: "[RESPONSE_TIME] < 500",
+				Success:   false,
+			},
+			{
+				Condition: "[CERTIFICATE_EXPIRATION] < 72h",
+				Success:   false,
+			},
+		},
+	}
+)
+
+func TestServiceStatus(t *testing.T) {
+	defer storage.Get().Clear()
+	defer cache.Clear()
+	cfg := &config.Config{
+		Metrics: true,
+		Services: []*core.Service{
+			{
+				Name:  "frontend",
+				Group: "core",
+			},
+			{
+				Name:  "backend",
+				Group: "core",
+			},
+		},
+	}
+	watchdog.UpdateServiceStatuses(cfg.Services[0], &core.Result{Success: true, Duration: time.Millisecond, Timestamp: time.Now()})
+	watchdog.UpdateServiceStatuses(cfg.Services[1], &core.Result{Success: false, Duration: time.Second, Timestamp: time.Now()})
+	router := CreateRouter("../../web/static", cfg.Security, nil, cfg.Metrics)
+
+	type Scenario struct {
+		Name         string
+		Path         string
+		ExpectedCode int
+		Gzip         bool
+	}
+	scenarios := []Scenario{
+		{
+			Name:         "service-status",
+			Path:         "/api/v1/services/core_frontend/statuses",
+			ExpectedCode: http.StatusOK,
+		},
+		{
+			Name:         "service-status-gzip",
+			Path:         "/api/v1/services/core_frontend/statuses",
+			ExpectedCode: http.StatusOK,
+			Gzip:         true,
+		},
+		{
+			Name:         "service-status-pagination",
+			Path:         "/api/v1/services/core_frontend/statuses?page=1&pageSize=20",
+			ExpectedCode: http.StatusOK,
+		},
+		{
+			Name:         "service-status-for-invalid-key",
+			Path:         "/api/v1/services/invalid_key/statuses",
+			ExpectedCode: http.StatusNotFound,
+		},
+	}
+	for _, scenario := range scenarios {
+		t.Run(scenario.Name, func(t *testing.T) {
+			request, _ := http.NewRequest("GET", scenario.Path, nil)
+			if scenario.Gzip {
+				request.Header.Set("Accept-Encoding", "gzip")
+			}
+			responseRecorder := httptest.NewRecorder()
+			router.ServeHTTP(responseRecorder, request)
+			if responseRecorder.Code != scenario.ExpectedCode {
+				t.Errorf("%s %s should have returned %d, but returned %d instead", request.Method, request.URL, scenario.ExpectedCode, responseRecorder.Code)
+			}
+		})
+	}
+}
+
+func TestServiceStatuses(t *testing.T) {
+	defer storage.Get().Clear()
+	defer cache.Clear()
+	firstResult := &testSuccessfulResult
+	secondResult := &testUnsuccessfulResult
+	storage.Get().Insert(&testService, firstResult)
+	storage.Get().Insert(&testService, secondResult)
+	// Can't be bothered dealing with timezone issues on the worker that runs the automated tests
+	firstResult.Timestamp = time.Time{}
+	secondResult.Timestamp = time.Time{}
+	router := CreateRouter("../../web/static", nil, nil, false)
+
+	type Scenario struct {
+		Name         string
+		Path         string
+		ExpectedCode int
+		ExpectedBody string
+	}
+	scenarios := []Scenario{
+		{
+			Name:         "no-pagination",
+			Path:         "/api/v1/services/statuses",
+			ExpectedCode: http.StatusOK,
+			ExpectedBody: `[{"name":"name","group":"group","key":"group_name","results":[{"status":200,"hostname":"example.org","duration":150000000,"errors":null,"conditionResults":[{"condition":"[STATUS] == 200","success":true},{"condition":"[RESPONSE_TIME] \u003c 500","success":true},{"condition":"[CERTIFICATE_EXPIRATION] \u003c 72h","success":true}],"success":true,"timestamp":"0001-01-01T00:00:00Z"},{"status":200,"hostname":"example.org","duration":750000000,"errors":["error-1","error-2"],"conditionResults":[{"condition":"[STATUS] == 200","success":true},{"condition":"[RESPONSE_TIME] \u003c 500","success":false},{"condition":"[CERTIFICATE_EXPIRATION] \u003c 72h","success":false}],"success":false,"timestamp":"0001-01-01T00:00:00Z"}],"events":[]}]`,
+		},
+		{
+			Name:         "pagination-first-result",
+			Path:         "/api/v1/services/statuses?page=1&pageSize=1",
+			ExpectedCode: http.StatusOK,
+			ExpectedBody: `[{"name":"name","group":"group","key":"group_name","results":[{"status":200,"hostname":"example.org","duration":750000000,"errors":["error-1","error-2"],"conditionResults":[{"condition":"[STATUS] == 200","success":true},{"condition":"[RESPONSE_TIME] \u003c 500","success":false},{"condition":"[CERTIFICATE_EXPIRATION] \u003c 72h","success":false}],"success":false,"timestamp":"0001-01-01T00:00:00Z"}],"events":[]}]`,
+		},
+		{
+			Name:         "pagination-second-result",
+			Path:         "/api/v1/services/statuses?page=2&pageSize=1",
+			ExpectedCode: http.StatusOK,
+			ExpectedBody: `[{"name":"name","group":"group","key":"group_name","results":[{"status":200,"hostname":"example.org","duration":150000000,"errors":null,"conditionResults":[{"condition":"[STATUS] == 200","success":true},{"condition":"[RESPONSE_TIME] \u003c 500","success":true},{"condition":"[CERTIFICATE_EXPIRATION] \u003c 72h","success":true}],"success":true,"timestamp":"0001-01-01T00:00:00Z"}],"events":[]}]`,
+		},
+		{
+			Name:         "pagination-no-results",
+			Path:         "/api/v1/services/statuses?page=5&pageSize=20",
+			ExpectedCode: http.StatusOK,
+			ExpectedBody: `[{"name":"name","group":"group","key":"group_name","results":[],"events":[]}]`,
+		},
+		{
+			Name:         "invalid-pagination-should-fall-back-to-default",
+			Path:         "/api/v1/services/statuses?page=INVALID&pageSize=INVALID",
+			ExpectedCode: http.StatusOK,
+			ExpectedBody: `[{"name":"name","group":"group","key":"group_name","results":[{"status":200,"hostname":"example.org","duration":150000000,"errors":null,"conditionResults":[{"condition":"[STATUS] == 200","success":true},{"condition":"[RESPONSE_TIME] \u003c 500","success":true},{"condition":"[CERTIFICATE_EXPIRATION] \u003c 72h","success":true}],"success":true,"timestamp":"0001-01-01T00:00:00Z"},{"status":200,"hostname":"example.org","duration":750000000,"errors":["error-1","error-2"],"conditionResults":[{"condition":"[STATUS] == 200","success":true},{"condition":"[RESPONSE_TIME] \u003c 500","success":false},{"condition":"[CERTIFICATE_EXPIRATION] \u003c 72h","success":false}],"success":false,"timestamp":"0001-01-01T00:00:00Z"}],"events":[]}]`,
+		},
+	}
+
+	for _, scenario := range scenarios {
+		t.Run(scenario.Name, func(t *testing.T) {
+			request, _ := http.NewRequest("GET", scenario.Path, nil)
+			responseRecorder := httptest.NewRecorder()
+			router.ServeHTTP(responseRecorder, request)
+			if responseRecorder.Code != scenario.ExpectedCode {
+				t.Errorf("%s %s should have returned %d, but returned %d instead", request.Method, request.URL, scenario.ExpectedCode, responseRecorder.Code)
+			}
+			output := responseRecorder.Body.String()
+			if output != scenario.ExpectedBody {
+				t.Errorf("expected:\n %s\n\ngot:\n %s", scenario.ExpectedBody, output)
+			}
+		})
+	}
+}

controller/handler/spa.go

@@ -0,0 +1,27 @@
+package handler
+
+import (
+	"html/template"
+	"log"
+	"net/http"
+
+	"github.com/TwinProduction/gatus/config/ui"
+)
+
+func SinglePageApplication(staticFolder string, ui *ui.Config) http.HandlerFunc {
+	return func(writer http.ResponseWriter, request *http.Request) {
+		t, err := template.ParseFiles(staticFolder + "/index.html")
+		if err != nil {
+			log.Println("[handler][SinglePageApplication] Failed to parse template:", err.Error())
+			http.ServeFile(writer, request, staticFolder+"/index.html")
+			return
+		}
+		writer.Header().Set("Content-Type", "text/html")
+		err = t.Execute(writer, ui)
+		if err != nil {
+			log.Println("[handler][SinglePageApplication] Failed to parse template:", err.Error())
+			http.ServeFile(writer, request, staticFolder+"/index.html")
+			return
+		}
+	}
+}

controller/handler/spa_test.go

@@ -0,0 +1,65 @@
+package handler
+
+import (
+	"net/http"
+	"net/http/httptest"
+	"testing"
+	"time"
+
+	"github.com/TwinProduction/gatus/config"
+	"github.com/TwinProduction/gatus/core"
+	"github.com/TwinProduction/gatus/storage"
+	"github.com/TwinProduction/gatus/watchdog"
+)
+
+func TestSinglePageApplication(t *testing.T) {
+	defer storage.Get().Clear()
+	defer cache.Clear()
+	cfg := &config.Config{
+		Metrics: true,
+		Services: []*core.Service{
+			{
+				Name:  "frontend",
+				Group: "core",
+			},
+			{
+				Name:  "backend",
+				Group: "core",
+			},
+		},
+	}
+	watchdog.UpdateServiceStatuses(cfg.Services[0], &core.Result{Success: true, Duration: time.Millisecond, Timestamp: time.Now()})
+	watchdog.UpdateServiceStatuses(cfg.Services[1], &core.Result{Success: false, Duration: time.Second, Timestamp: time.Now()})
+	router := CreateRouter("../../web/static", cfg.Security, nil, cfg.Metrics)
+	type Scenario struct {
+		Name         string
+		Path         string
+		ExpectedCode int
+		Gzip         bool
+	}
+	scenarios := []Scenario{
+		{
+			Name:         "frontend-home",
+			Path:         "/",
+			ExpectedCode: http.StatusOK,
+		},
+		{
+			Name:         "frontend-service",
+			Path:         "/services/core_frontend",
+			ExpectedCode: http.StatusOK,
+		},
+	}
+	for _, scenario := range scenarios {
+		t.Run(scenario.Name, func(t *testing.T) {
+			request, _ := http.NewRequest("GET", scenario.Path, nil)
+			if scenario.Gzip {
+				request.Header.Set("Accept-Encoding", "gzip")
+			}
+			responseRecorder := httptest.NewRecorder()
+			router.ServeHTTP(responseRecorder, request)
+			if responseRecorder.Code != scenario.ExpectedCode {
+				t.Errorf("%s %s should have returned %d, but returned %d instead", request.Method, request.URL, scenario.ExpectedCode, responseRecorder.Code)
+			}
+		})
+	}
+}

controller/handler/util.go

@@ -1,4 +1,4 @@
-package controller
+package handler
 
 import (
 	"net/http"

controller/handler/util_test.go

@@ -1,4 +1,4 @@
-package controller
+package handler
 
 import (
 	"fmt"

controller/spa.go

@@ -1,8 +0,0 @@
-package controller
-
-import "net/http"
-
-// spaHandler handles requests for /
-func spaHandler(writer http.ResponseWriter, request *http.Request) {
-	http.ServeFile(writer, request, staticFolder+"/index.html")
-}

core/condition.go

@@ -85,44 +85,44 @@ type Condition string
 
 // evaluate the Condition with the Result of the health check
 // TODO: Add a mandatory space between each operators (e.g. " == " instead of "==") (BREAKING CHANGE)
-func (c Condition) evaluate(result *Result) bool {
+func (c Condition) evaluate(result *Result, dontResolveFailedConditions bool) bool {
 	condition := string(c)
 	success := false
 	conditionToDisplay := condition
 	if strings.Contains(condition, "==") {
 		parameters, resolvedParameters := sanitizeAndResolve(strings.Split(condition, "=="), result)
 		success = isEqual(resolvedParameters[0], resolvedParameters[1])
-		if !success {
+		if !success && !dontResolveFailedConditions {
 			conditionToDisplay = prettify(parameters, resolvedParameters, "==")
 		}
 	} else if strings.Contains(condition, "!=") {
 		parameters, resolvedParameters := sanitizeAndResolve(strings.Split(condition, "!="), result)
 		success = !isEqual(resolvedParameters[0], resolvedParameters[1])
-		if !success {
+		if !success && !dontResolveFailedConditions {
 			conditionToDisplay = prettify(parameters, resolvedParameters, "!=")
 		}
 	} else if strings.Contains(condition, "<=") {
 		parameters, resolvedParameters := sanitizeAndResolveNumerical(strings.Split(condition, "<="), result)
 		success = resolvedParameters[0] <= resolvedParameters[1]
-		if !success {
+		if !success && !dontResolveFailedConditions {
 			conditionToDisplay = prettifyNumericalParameters(parameters, resolvedParameters, "<=")
 		}
 	} else if strings.Contains(condition, ">=") {
 		parameters, resolvedParameters := sanitizeAndResolveNumerical(strings.Split(condition, ">="), result)
 		success = resolvedParameters[0] >= resolvedParameters[1]
-		if !success {
+		if !success && !dontResolveFailedConditions {
 			conditionToDisplay = prettifyNumericalParameters(parameters, resolvedParameters, ">=")
 		}
 	} else if strings.Contains(condition, ">") {
 		parameters, resolvedParameters := sanitizeAndResolveNumerical(strings.Split(condition, ">"), result)
 		success = resolvedParameters[0] > resolvedParameters[1]
-		if !success {
+		if !success && !dontResolveFailedConditions {
 			conditionToDisplay = prettifyNumericalParameters(parameters, resolvedParameters, ">")
 		}
 	} else if strings.Contains(condition, "<") {
 		parameters, resolvedParameters := sanitizeAndResolveNumerical(strings.Split(condition, "<"), result)
 		success = resolvedParameters[0] < resolvedParameters[1]
-		if !success {
+		if !success && !dontResolveFailedConditions {
 			conditionToDisplay = prettifyNumericalParameters(parameters, resolvedParameters, "<")
 		}
 	} else {

core/condition_bench_test.go

@@ -6,7 +6,7 @@ func BenchmarkCondition_evaluateWithBodyStringAny(b *testing.B) {
 	condition := Condition("[BODY].name == any(john.doe, jane.doe)")
 	for n := 0; n < b.N; n++ {
 		result := &Result{body: []byte("{\"name\": \"john.doe\"}")}
-		condition.evaluate(result)
+		condition.evaluate(result, false)
 	}
 	b.ReportAllocs()
 }
@@ -15,7 +15,7 @@ func BenchmarkCondition_evaluateWithBodyStringAnyFailure(b *testing.B) {
 	condition := Condition("[BODY].name == any(john.doe, jane.doe)")
 	for n := 0; n < b.N; n++ {
 		result := &Result{body: []byte("{\"name\": \"bob.doe\"}")}
-		condition.evaluate(result)
+		condition.evaluate(result, false)
 	}
 	b.ReportAllocs()
 }
@@ -24,7 +24,7 @@ func BenchmarkCondition_evaluateWithBodyString(b *testing.B) {
 	condition := Condition("[BODY].name == john.doe")
 	for n := 0; n < b.N; n++ {
 		result := &Result{body: []byte("{\"name\": \"john.doe\"}")}
-		condition.evaluate(result)
+		condition.evaluate(result, false)
 	}
 	b.ReportAllocs()
 }
@@ -33,7 +33,7 @@ func BenchmarkCondition_evaluateWithBodyStringFailure(b *testing.B) {
 	condition := Condition("[BODY].name == john.doe")
 	for n := 0; n < b.N; n++ {
 		result := &Result{body: []byte("{\"name\": \"bob.doe\"}")}
-		condition.evaluate(result)
+		condition.evaluate(result, false)
 	}
 	b.ReportAllocs()
 }
@@ -42,7 +42,7 @@ func BenchmarkCondition_evaluateWithBodyStringFailureInvalidPath(b *testing.B) {
 	condition := Condition("[BODY].user.name == bob.doe")
 	for n := 0; n < b.N; n++ {
 		result := &Result{body: []byte("{\"name\": \"bob.doe\"}")}
-		condition.evaluate(result)
+		condition.evaluate(result, false)
 	}
 	b.ReportAllocs()
 }
@@ -51,7 +51,7 @@ func BenchmarkCondition_evaluateWithBodyStringLen(b *testing.B) {
 	condition := Condition("len([BODY].name) == 8")
 	for n := 0; n < b.N; n++ {
 		result := &Result{body: []byte("{\"name\": \"john.doe\"}")}
-		condition.evaluate(result)
+		condition.evaluate(result, false)
 	}
 	b.ReportAllocs()
 }
@@ -60,7 +60,7 @@ func BenchmarkCondition_evaluateWithBodyStringLenFailure(b *testing.B) {
 	condition := Condition("len([BODY].name) == 8")
 	for n := 0; n < b.N; n++ {
 		result := &Result{body: []byte("{\"name\": \"bob.doe\"}")}
-		condition.evaluate(result)
+		condition.evaluate(result, false)
 	}
 	b.ReportAllocs()
 }
@@ -69,7 +69,7 @@ func BenchmarkCondition_evaluateWithStatus(b *testing.B) {
 	condition := Condition("[STATUS] == 200")
 	for n := 0; n < b.N; n++ {
 		result := &Result{HTTPStatus: 200}
-		condition.evaluate(result)
+		condition.evaluate(result, false)
 	}
 	b.ReportAllocs()
 }
@@ -78,7 +78,7 @@ func BenchmarkCondition_evaluateWithStatusFailure(b *testing.B) {
 	condition := Condition("[STATUS] == 200")
 	for n := 0; n < b.N; n++ {
 		result := &Result{HTTPStatus: 400}
-		condition.evaluate(result)
+		condition.evaluate(result, false)
 	}
 	b.ReportAllocs()
 }

core/condition_test.go

@@ -8,11 +8,12 @@ import (
 
 func TestCondition_evaluate(t *testing.T) {
 	type scenario struct {
-		Name            string
-		Condition       Condition
-		Result          *Result
-		ExpectedSuccess bool
-		ExpectedOutput  string
+		Name                        string
+		Condition                   Condition
+		Result                      *Result
+		DontResolveFailedConditions bool
+		ExpectedSuccess             bool
+		ExpectedOutput              string
 	}
 	scenarios := []scenario{
 		{
@@ -372,6 +373,14 @@ func TestCondition_evaluate(t *testing.T) {
 			ExpectedSuccess: false,
 			ExpectedOutput:  "[STATUS] (404) == any(200, 429)",
 		},
+		{
+			Name:                        "status-any-failure-but-dont-resolve",
+			Condition:                   Condition("[STATUS] == any(200, 429)"),
+			Result:                      &Result{HTTPStatus: 404},
+			DontResolveFailedConditions: true,
+			ExpectedSuccess:             false,
+			ExpectedOutput:              "[STATUS] == any(200, 429)",
+		},
 		{
 			Name:            "connected",
 			Condition:       Condition("[CONNECTED] == true"),
@@ -435,6 +444,14 @@ func TestCondition_evaluate(t *testing.T) {
 			ExpectedSuccess: false,
 			ExpectedOutput:  "has([BODY].errors) (true) == false",
 		},
+		{
+			Name:                        "has-failure-but-dont-resolve",
+			Condition:                   Condition("has([BODY].errors) == false"),
+			Result:                      &Result{body: []byte("{\"errors\": [\"1\"]}")},
+			DontResolveFailedConditions: true,
+			ExpectedSuccess:             false,
+			ExpectedOutput:              "has([BODY].errors) == false",
+		},
 		{
 			Name:            "no-placeholders",
 			Condition:       Condition("1 == 2"),
@@ -445,7 +462,7 @@ func TestCondition_evaluate(t *testing.T) {
 	}
 	for _, scenario := range scenarios {
 		t.Run(scenario.Name, func(t *testing.T) {
-			scenario.Condition.evaluate(scenario.Result)
+			scenario.Condition.evaluate(scenario.Result, scenario.DontResolveFailedConditions)
 			if scenario.Result.ConditionResults[0].Success != scenario.ExpectedSuccess {
 				t.Errorf("Condition '%s' should have been success=%v", scenario.Condition, scenario.ExpectedSuccess)
 			}
@@ -459,7 +476,7 @@ func TestCondition_evaluate(t *testing.T) {
 func TestCondition_evaluateWithInvalidOperator(t *testing.T) {
 	condition := Condition("[STATUS] ? 201")
 	result := &Result{HTTPStatus: 201}
-	condition.evaluate(result)
+	condition.evaluate(result, false)
 	if result.Success {
 		t.Error("condition was invalid, result should've been a failure")
 	}

core/event_test.go

@@ -0,0 +1,12 @@
+package core
+
+import "testing"
+
+func TestNewEventFromResult(t *testing.T) {
+	if event := NewEventFromResult(&Result{Success: true}); event.Type != EventHealthy {
+		t.Error("expected event.Type to be EventHealthy")
+	}
+	if event := NewEventFromResult(&Result{Success: false}); event.Type != EventUnhealthy {
+		t.Error("expected event.Type to be EventUnhealthy")
+	}
+}

core/service.go

@@ -6,7 +6,6 @@ import (
 	"encoding/json"
 	"errors"
 	"io/ioutil"
-	"log"
 	"net"
 	"net/http"
 	"net/url"
@@ -15,6 +14,7 @@ import (
 
 	"github.com/TwinProduction/gatus/alerting/alert"
 	"github.com/TwinProduction/gatus/client"
+	"github.com/TwinProduction/gatus/core/ui"
 	"github.com/TwinProduction/gatus/util"
 )
 
@@ -44,7 +44,11 @@ var (
 )
 
 // Service is the configuration of a monitored endpoint
+// XXX: Rename this to Endpoint in v4.0.0?
 type Service struct {
+	// Enabled defines whether to enable the service
+	Enabled *bool `yaml:"enabled,omitempty"`
+
 	// Name of the service. Can be anything.
 	Name string `yaml:"name"`
 
@@ -78,14 +82,12 @@ type Service struct {
 	// Alerts is the alerting configuration for the service in case of failure
 	Alerts []*alert.Alert `yaml:"alerts"`
 
-	// Insecure is whether to skip verifying the server's certificate chain and host name
-	//
-	// deprecated
-	Insecure bool `yaml:"insecure,omitempty"`
-
 	// ClientConfig is the configuration of the client used to communicate with the service's target
 	ClientConfig *client.Config `yaml:"client"`
 
+	// UIConfig is the configuration for the UI
+	UIConfig *ui.Config `yaml:"ui"`
+
 	// NumberOfFailuresInARow is the number of unsuccessful evaluations in a row
 	NumberOfFailuresInARow int
 
@@ -93,19 +95,25 @@ type Service struct {
 	NumberOfSuccessesInARow int
 }
 
+// IsEnabled returns whether the service is enabled or not
+func (service Service) IsEnabled() bool {
+	if service.Enabled == nil {
+		return true
+	}
+	return *service.Enabled
+}
+
 // ValidateAndSetDefaults validates the service's configuration and sets the default value of fields that have one
 func (service *Service) ValidateAndSetDefaults() error {
 	// Set default values
 	if service.ClientConfig == nil {
 		service.ClientConfig = client.GetDefaultConfig()
-		// XXX: remove the next 3 lines in v3.0.0
-		if service.Insecure {
-			log.Println("WARNING: services[].insecure has been deprecated and will be removed in v3.0.0 in favor of services[].client.insecure")
-			service.ClientConfig.Insecure = true
-		}
 	} else {
 		service.ClientConfig.ValidateAndSetDefaults()
 	}
+	if service.UIConfig == nil {
+		service.UIConfig = ui.GetDefaultConfig()
+	}
 	if service.Interval == 0 {
 		service.Interval = 1 * time.Minute
 	}
@@ -167,7 +175,7 @@ func (service *Service) EvaluateHealth() *Result {
 		result.Success = false
 	}
 	for _, condition := range service.Conditions {
-		success := condition.evaluate(result)
+		success := condition.evaluate(result, service.UIConfig.DontResolveFailedConditions)
 		if !success {
 			result.Success = false
 		}
@@ -175,6 +183,10 @@ func (service *Service) EvaluateHealth() *Result {
 	result.Timestamp = time.Now()
 	// No need to keep the body after the service has been evaluated
 	result.body = nil
+	// Clean up parameters that we don't need to keep in the results
+	if service.UIConfig.HideHostname {
+		result.Hostname = ""
+	}
 	return result
 }
 
@@ -206,7 +218,8 @@ func (service *Service) call(result *Result) {
 	isServiceTCP := strings.HasPrefix(service.URL, "tcp://")
 	isServiceICMP := strings.HasPrefix(service.URL, "icmp://")
 	isServiceStartTLS := strings.HasPrefix(service.URL, "starttls://")
-	isServiceHTTP := !isServiceDNS && !isServiceTCP && !isServiceICMP && !isServiceStartTLS
+	isServiceTLS := strings.HasPrefix(service.URL, "tls://")
+	isServiceHTTP := !isServiceDNS && !isServiceTCP && !isServiceICMP && !isServiceStartTLS && !isServiceTLS
 	if isServiceHTTP {
 		request = service.buildHTTPRequest()
 	}
@@ -214,8 +227,12 @@ func (service *Service) call(result *Result) {
 	if isServiceDNS {
 		service.DNS.query(service.URL, result)
 		result.Duration = time.Since(startTime)
-	} else if isServiceStartTLS {
-		result.Connected, certificate, err = client.CanPerformStartTLS(strings.TrimPrefix(service.URL, "starttls://"), service.ClientConfig)
+	} else if isServiceStartTLS || isServiceTLS {
+		if isServiceStartTLS {
+			result.Connected, certificate, err = client.CanPerformStartTLS(strings.TrimPrefix(service.URL, "starttls://"), service.ClientConfig)
+		} else {
+			result.Connected, certificate, err = client.CanPerformStartTLS(strings.TrimPrefix(service.URL, "tls://"), service.ClientConfig)
+		}
 		if err != nil {
 			result.AddError(err.Error())
 			return

core/service_status.go

@@ -15,21 +15,13 @@ type ServiceStatus struct {
 	Results []*Result `json:"results"`
 
 	// Events is a list of events
-	//
-	// We don't expose this through JSON, because the main dashboard doesn't need to have this data.
-	// However, the detailed service page does leverage this by including it to a map that will be
-	// marshalled alongside the ServiceStatus.
-	Events []*Event `json:"-"`
+	Events []*Event `json:"events"`
 
 	// Uptime information on the service's uptime
 	//
-	// We don't expose this through JSON, because the main dashboard doesn't need to have this data.
-	// However, the detailed service page does leverage this by including it to a map that will be
-	// marshalled alongside the ServiceStatus.
+	// Used by the memory store.
 	//
-	// TODO: Get rid of this in favor of using the new store.GetUptimeByKey.
-	// TODO: For memory, store the uptime in a different map? (is that possible, given that we need to persist it through gocache?)
-	// Deprecated
+	// To retrieve the uptime between two time, use store.GetUptimeByKey.
 	Uptime *Uptime `json:"-"`
 }
 

core/service_test.go

@@ -10,11 +10,23 @@ import (
 	"github.com/TwinProduction/gatus/client"
 )
 
+func TestService_IsEnabled(t *testing.T) {
+	if !(Service{Enabled: nil}).IsEnabled() {
+		t.Error("service.IsEnabled() should've returned true, because Enabled was set to nil")
+	}
+	if value := false; (Service{Enabled: &value}).IsEnabled() {
+		t.Error("service.IsEnabled() should've returned false, because Enabled was set to false")
+	}
+	if value := true; !(Service{Enabled: &value}).IsEnabled() {
+		t.Error("Service.IsEnabled() should've returned true, because Enabled was set to true")
+	}
+}
+
 func TestService_ValidateAndSetDefaults(t *testing.T) {
 	condition := Condition("[STATUS] == 200")
 	service := Service{
-		Name:       "twinnation-health",
-		URL:        "https://twinnation.org/health",
+		Name:       "website-health",
+		URL:        "https://twin.sh/health",
 		Conditions: []*Condition{&condition},
 		Alerts:     []*alert.Alert{{Type: alert.TypePagerDuty}},
 	}
@@ -58,8 +70,8 @@ func TestService_ValidateAndSetDefaults(t *testing.T) {
 func TestService_ValidateAndSetDefaultsWithClientConfig(t *testing.T) {
 	condition := Condition("[STATUS] == 200")
 	service := Service{
-		Name:       "twinnation-health",
-		URL:        "https://twinnation.org/health",
+		Name:       "website-health",
+		URL:        "https://twin.sh/health",
 		Conditions: []*Condition{&condition},
 		ClientConfig: &client.Config{
 			Insecure:       true,
@@ -147,8 +159,8 @@ func TestService_ValidateAndSetDefaultsWithDNS(t *testing.T) {
 func TestService_buildHTTPRequest(t *testing.T) {
 	condition := Condition("[STATUS] == 200")
 	service := Service{
-		Name:       "twinnation-health",
-		URL:        "https://twinnation.org/health",
+		Name:       "website-health",
+		URL:        "https://twin.sh/health",
 		Conditions: []*Condition{&condition},
 	}
 	service.ValidateAndSetDefaults()
@@ -156,8 +168,8 @@ func TestService_buildHTTPRequest(t *testing.T) {
 	if request.Method != "GET" {
 		t.Error("request.Method should've been GET, but was", request.Method)
 	}
-	if request.Host != "twinnation.org" {
-		t.Error("request.Host should've been twinnation.org, but was", request.Host)
+	if request.Host != "twin.sh" {
+		t.Error("request.Host should've been twin.sh, but was", request.Host)
 	}
 	if userAgent := request.Header.Get("User-Agent"); userAgent != GatusUserAgent {
 		t.Errorf("request.Header.Get(User-Agent) should've been %s, but was %s", GatusUserAgent, userAgent)
@@ -167,8 +179,8 @@ func TestService_buildHTTPRequest(t *testing.T) {
 func TestService_buildHTTPRequestWithCustomUserAgent(t *testing.T) {
 	condition := Condition("[STATUS] == 200")
 	service := Service{
-		Name:       "twinnation-health",
-		URL:        "https://twinnation.org/health",
+		Name:       "website-health",
+		URL:        "https://twin.sh/health",
 		Conditions: []*Condition{&condition},
 		Headers: map[string]string{
 			"User-Agent": "Test/2.0",
@@ -179,8 +191,8 @@ func TestService_buildHTTPRequestWithCustomUserAgent(t *testing.T) {
 	if request.Method != "GET" {
 		t.Error("request.Method should've been GET, but was", request.Method)
 	}
-	if request.Host != "twinnation.org" {
-		t.Error("request.Host should've been twinnation.org, but was", request.Host)
+	if request.Host != "twin.sh" {
+		t.Error("request.Host should've been twin.sh, but was", request.Host)
 	}
 	if userAgent := request.Header.Get("User-Agent"); userAgent != "Test/2.0" {
 		t.Errorf("request.Header.Get(User-Agent) should've been %s, but was %s", "Test/2.0", userAgent)
@@ -190,8 +202,8 @@ func TestService_buildHTTPRequestWithCustomUserAgent(t *testing.T) {
 func TestService_buildHTTPRequestWithHostHeader(t *testing.T) {
 	condition := Condition("[STATUS] == 200")
 	service := Service{
-		Name:       "twinnation-health",
-		URL:        "https://twinnation.org/health",
+		Name:       "website-health",
+		URL:        "https://twin.sh/health",
 		Method:     "POST",
 		Conditions: []*Condition{&condition},
 		Headers: map[string]string{
@@ -211,8 +223,8 @@ func TestService_buildHTTPRequestWithHostHeader(t *testing.T) {
 func TestService_buildHTTPRequestWithGraphQLEnabled(t *testing.T) {
 	condition := Condition("[STATUS] == 200")
 	service := Service{
-		Name:       "twinnation-graphql",
-		URL:        "https://twinnation.org/graphql",
+		Name:       "website-graphql",
+		URL:        "https://twin.sh/graphql",
 		Method:     "POST",
 		Conditions: []*Condition{&condition},
 		GraphQL:    true,
@@ -243,8 +255,8 @@ func TestIntegrationEvaluateHealth(t *testing.T) {
 	condition := Condition("[STATUS] == 200")
 	bodyCondition := Condition("[BODY].status == UP")
 	service := Service{
-		Name:       "twinnation-health",
-		URL:        "https://twinnation.org/health",
+		Name:       "website-health",
+		URL:        "https://twin.sh/health",
 		Conditions: []*Condition{&condition, &bodyCondition},
 	}
 	service.ValidateAndSetDefaults()
@@ -263,8 +275,8 @@ func TestIntegrationEvaluateHealth(t *testing.T) {
 func TestIntegrationEvaluateHealthWithFailure(t *testing.T) {
 	condition := Condition("[STATUS] == 500")
 	service := Service{
-		Name:       "twinnation-health",
-		URL:        "https://twinnation.org/health",
+		Name:       "website-health",
+		URL:        "https://twin.sh/health",
 		Conditions: []*Condition{&condition},
 	}
 	service.ValidateAndSetDefaults()

core/ui/ui.go

@@ -0,0 +1,17 @@
+package ui
+
+// Config is the UI configuration for services
+type Config struct {
+	// HideHostname whether to hide the hostname in the Result
+	HideHostname bool `yaml:"hide-hostname"`
+	// DontResolveFailedConditions whether to resolve failed conditions in the Result for display in the UI
+	DontResolveFailedConditions bool `yaml:"dont-resolve-failed-conditions"`
+}
+
+// GetDefaultConfig retrieves the default UI configuration
+func GetDefaultConfig() *Config {
+	return &Config{
+		HideHostname:                false,
+		DontResolveFailedConditions: false,
+	}
+}

core/uptime.go

@@ -3,16 +3,6 @@ package core
 // Uptime is the struct that contains the relevant data for calculating the uptime as well as the uptime itself
 // and some other statistics
 type Uptime struct {
-	// SuccessfulExecutionsPerHour is a map containing the number of successes (value)
-	// for every hourly unix timestamps (key)
-	// Deprecated
-	SuccessfulExecutionsPerHour map[int64]uint64 `json:"-"`
-
-	// TotalExecutionsPerHour is a map containing the total number of checks (value)
-	// for every hourly unix timestamps (key)
-	// Deprecated
-	TotalExecutionsPerHour map[int64]uint64 `json:"-"`
-
 	// HourlyStatistics is a map containing metrics collected (value) for every hourly unix timestamps (key)
 	//
 	// Used only if the storage type is memory

docs/pagerduty-integration-guide.md

@@ -39,9 +39,9 @@ alerting:
 You can now add alerts of type `pagerduty` in the services you've defined, like so:
 ```yaml
 services:
-  - name: twinnation
+  - name: website
     interval: 30s
-    url: "https://twinnation.org/health"
+    url: "https://twin.sh/health"
     alerts:
       - type: pagerduty
         enabled: true
@@ -56,7 +56,7 @@ services:
 ```
 
 The sample above will do the following:
-- Send a request to the `https://twinnation.org/health` (`services[].url`) specified every **30s** (`services[].interval`)
+- Send a request to the `https://twin.sh/health` (`services[].url`) specified every **30s** (`services[].interval`)
 - Evaluate the conditions to determine whether the service is "healthy" or not
 - **If all conditions are not met 3 (`services[].alerts[].failure-threshold`) times in a row**: Gatus will create a new incident
 - **If, after an incident has been triggered, all conditions are met 5 (`services[].alerts[].success-threshold`) times in a row _AND_ `services[].alerts[].send-on-resolved` is set to `true`**: Gatus will resolve the triggered incident

examples/docker-compose-grafana-prometheus/config.yaml

@@ -1,16 +1,16 @@
 metrics: true
 services:
-  - name: TwiNNatioN
-    url: https://twinnation.org/health
+  - name: website
+    url: https://twin.sh/health
     interval: 30s
     conditions:
       - "[STATUS] == 200"
-  - name: GitHub
+  - name: github
     url: https://api.github.com/healthz
     interval: 5m
     conditions:
       - "[STATUS] == 200"
-  - name: Example
+  - name: example
     url: https://example.com/
     conditions:
       - "[STATUS] == 200"

examples/docker-compose-grafana-prometheus/docker-compose.yml

@@ -1,12 +1,11 @@
-version: '3.7'
-
+version: "3.9"
 services:
   gatus:
     container_name: gatus
     image: twinproduction/gatus
     restart: always
     ports:
-      - 8080:8080
+      - "8080:8080"
     volumes:
       - ./config.yaml:/config/config.yaml
     networks:
@@ -18,7 +17,7 @@ services:
     restart: always
     command: --config.file=/etc/prometheus/prometheus.yml
     ports:
-      - 9090:9090
+      - "9090:9090"
     volumes:
       - ./prometheus/prometheus.yml:/etc/prometheus/prometheus.yml
     networks:
@@ -31,7 +30,7 @@ services:
     environment:
       GF_SECURITY_ADMIN_PASSWORD: secret
     ports:
-      - 3000:3000
+      - "3000:3000"
     volumes:
       - ./grafana/grafana.ini/:/etc/grafana/grafana.ini:ro
       - ./grafana/provisioning/:/etc/grafana/provisioning/:ro

examples/docker-compose-mattermost/docker-compose.yml

@@ -1,11 +1,10 @@
-version: "3.8"
-
+version: "3.9"
 services:
   gatus:
     container_name: gatus
     image: twinproduction/gatus:latest
     ports:
-      - 8080:8080
+      - "8080:8080"
     volumes:
       - ./config.yaml:/config/config.yaml
     networks:
@@ -15,7 +14,7 @@ services:
     container_name: mattermost
     image: mattermost/mattermost-preview:5.26.0
     ports:
-      - 8065:8065
+      - "8065:8065"
     networks:
       - default
 

examples/docker-compose-postgres-storage/config.yaml

@@ -0,0 +1,42 @@
+storage:
+  type: postgres
+  file: "postgres://username:password@postgres:5432/gatus?sslmode=disable"
+
+services:
+  - name: back-end
+    group: core
+    url: "https://example.org/"
+    interval: 5m
+    conditions:
+      - "[STATUS] == 200"
+      - "[CERTIFICATE_EXPIRATION] > 48h"
+
+  - name: monitoring
+    group: internal
+    url: "https://example.org/"
+    interval: 5m
+    conditions:
+      - "[STATUS] == 200"
+
+  - name: nas
+    group: internal
+    url: "https://example.org/"
+    interval: 5m
+    conditions:
+      - "[STATUS] == 200"
+
+  - name: example-dns-query
+    url: "8.8.8.8" # Address of the DNS server to use
+    interval: 5m
+    dns:
+      query-name: "example.com"
+      query-type: "A"
+    conditions:
+      - "[BODY] == 93.184.216.34"
+      - "[DNS_RCODE] == NOERROR"
+
+  - name: icmp-ping
+    url: "icmp://example.org"
+    interval: 1m
+    conditions:
+      - "[CONNECTED] == true"

examples/docker-compose-postgres-storage/docker-compose.yml

@@ -0,0 +1,29 @@
+version: "3.9"
+services:
+  postgres:
+    image: postgres
+    volumes:
+      - ./data/db:/var/lib/postgresql/data
+    ports:
+      - "5432:5432"
+    environment:
+      - POSTGRES_DB=gatus
+      - POSTGRES_USER=username
+      - POSTGRES_PASSWORD=password
+    networks:
+      - web
+
+  gatus:
+    image: twinproduction/gatus:latest
+    restart: always
+    ports:
+      - "8080:8080"
+    volumes:
+      - ./config.yaml:/config/config.yaml
+    networks:
+      - web
+    depends_on:
+      - postgres
+
+networks:
+  web:

examples/docker-compose-sqlite-storage/docker-compose.yml

@@ -1,9 +1,9 @@
-version: "3.8"
+version: "3.9"
 services:
   gatus:
     image: twinproduction/gatus:latest
     ports:
-      - 8080:8080
+      - "8080:8080"
     volumes:
       - ./config.yaml:/config/config.yaml
       - ./data:/data/

examples/kubernetes-with-auto-discovery/gatus.yaml

@@ -1,109 +0,0 @@
-apiVersion: v1
-data:
-  config.yaml: |
-    kubernetes:
-      cluster-mode: "in"
-      auto-discover: true
-      excluded-service-suffixes:
-        - canary
-      service-template:
-        interval: 30s
-        conditions:
-          - "[STATUS] == 200"
-      namespaces:
-        - name: default
-          hostname-suffix: ".default.svc.cluster.local"
-          target-path: "/health"
-          excluded-services:
-            - gatus
-kind: ConfigMap
-metadata:
-  name: gatus
-  namespace: kube-system
----
-apiVersion: rbac.authorization.k8s.io/v1
-kind: ClusterRole
-metadata:
-  name: gatus
-rules:
-  - apiGroups:
-      - ""
-    resources:
-      - services
-    verbs:
-      - list
-      - get
----
-apiVersion: v1
-automountServiceAccountToken: true
-kind: ServiceAccount
-metadata:
-  name: gatus
-  namespace: kube-system
----
-apiVersion: rbac.authorization.k8s.io/v1
-kind: ClusterRoleBinding
-metadata:
-  name: gatus
-roleRef:
-  apiGroup: rbac.authorization.k8s.io
-  kind: ClusterRole
-  name: gatus
-subjects:
-  - kind: ServiceAccount
-    name: gatus
-    namespace: kube-system
----
-apiVersion: apps/v1
-kind: Deployment
-metadata:
-  name: gatus
-  namespace: kube-system
-spec:
-  replicas: 1
-  selector:
-    matchLabels:
-      k8s-app: gatus
-  template:
-    metadata:
-      labels:
-        k8s-app: gatus
-      name: gatus
-      namespace: kube-system
-    spec:
-      containers:
-        - image: twinproduction/gatus
-          imagePullPolicy: IfNotPresent
-          name: gatus
-          ports:
-            - containerPort: 8080
-              name: http
-              protocol: TCP
-          resources:
-            limits:
-              cpu: 250m
-              memory: 100M
-            requests:
-              cpu: 50m
-              memory: 30M
-          volumeMounts:
-            - mountPath: /config
-              name: gatus-config
-      volumes:
-        - configMap:
-            name: gatus
-          name: gatus-config
----
-apiVersion: v1
-kind: Service
-metadata:
-  name: gatus
-  namespace: kube-system
-spec:
-  ports:
-    - name: http
-      port: 8080
-      protocol: TCP
-      targetPort: 8080
-  selector:
-    k8s-app: gatus

examples/kubernetes/gatus.yaml

@@ -3,12 +3,12 @@ data:
   config.yaml: |
     metrics: true
     services:
-      - name: TwiNNatioN
-        url: https://twinnation.org/health
+      - name: website
+        url: https://twin.sh/health
         interval: 1m
         conditions:
           - "[STATUS] == 200"
-      - name: GitHub
+      - name: github
         url: https://api.github.com/healthz
         interval: 5m
         conditions:
@@ -23,7 +23,7 @@ data:
           - "[BODY].text == pat(*cat*)"
           - "[STATUS] == pat(2*)"
           - "[CONNECTED] == true"
-      - name: Example
+      - name: example
         url: https://example.com/
         conditions:
           - "[STATUS] == 200"

go.mod

@@ -3,26 +3,21 @@ module github.com/TwinProduction/gatus
 go 1.16
 
 require (
-	cloud.google.com/go v0.74.0 // indirect
 	github.com/TwinProduction/gocache v1.2.3
 	github.com/TwinProduction/health v1.0.0
 	github.com/go-ping/ping v0.0.0-20201115131931-3300c582a663
-	github.com/google/gofuzz v1.2.0 // indirect
+	github.com/google/go-cmp v0.5.4 // indirect
 	github.com/gorilla/mux v1.8.0
-	github.com/imdario/mergo v0.3.11 // indirect
+	github.com/lib/pq v1.10.3
 	github.com/miekg/dns v1.1.35
 	github.com/prometheus/client_golang v1.9.0
 	github.com/wcharczuk/go-chart/v2 v2.1.0
 	golang.org/x/crypto v0.0.0-20201221181555-eec23a3978ad // indirect
 	golang.org/x/image v0.0.0-20210628002857-a66eb6448b8d // indirect
+	golang.org/x/mod v0.4.0 // indirect
 	golang.org/x/net v0.0.0-20201224014010-6772e930b67b // indirect
-	golang.org/x/term v0.0.0-20201210144234-2321bbc49cbf // indirect
-	golang.org/x/time v0.0.0-20201208040808-7e3f01d25324 // indirect
+	golang.org/x/tools v0.0.0-20201208233053-a543418bbed2 // indirect
+	google.golang.org/protobuf v1.25.0 // indirect
 	gopkg.in/yaml.v2 v2.4.0
-	k8s.io/api v0.18.14
-	k8s.io/apimachinery v0.18.14
-	k8s.io/client-go v0.18.14
 	modernc.org/sqlite v1.11.2
 )
-
-replace k8s.io/client-go => k8s.io/client-go v0.18.14

go.sum

@@ -1,52 +1,7 @@
 cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
-cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
-cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6AU=
-cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY=
-cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc=
-cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0=
-cloud.google.com/go v0.50.0/go.mod h1:r9sluTvynVuxRIOHXQEHMFffphuXHOMZMycpNR5e6To=
-cloud.google.com/go v0.52.0/go.mod h1:pXajvRH/6o3+F9jDHZWQ5PbGhn+o8w9qiu/CffaVdO4=
-cloud.google.com/go v0.53.0/go.mod h1:fp/UouUEsRkN6ryDKNW/Upv/JBKnv6WDthjR6+vze6M=
-cloud.google.com/go v0.54.0/go.mod h1:1rq2OEkV3YMf6n/9ZvGWI3GWw0VoqH/1x2nd8Is/bPc=
-cloud.google.com/go v0.56.0/go.mod h1:jr7tqZxxKOVYizybht9+26Z/gUq7tiRzu+ACVAMbKVk=
-cloud.google.com/go v0.57.0/go.mod h1:oXiQ6Rzq3RAkkY7N6t3TcE6jE+CIBBbA36lwQ1JyzZs=
-cloud.google.com/go v0.62.0/go.mod h1:jmCYTdRCQuc1PHIIJ/maLInMho30T/Y0M4hTdTShOYc=
-cloud.google.com/go v0.65.0/go.mod h1:O5N8zS7uWy9vkA9vayVHs65eM1ubvY4h553ofrNHObY=
-cloud.google.com/go v0.72.0/go.mod h1:M+5Vjvlc2wnp6tjzE102Dw08nGShTscUx2nZMufOKPI=
-cloud.google.com/go v0.74.0 h1:kpgPA77kSSbjSs+fWHkPTxQ6J5Z2Qkruo5jfXEkHxNQ=
-cloud.google.com/go v0.74.0/go.mod h1:VV1xSbzvo+9QJOxLDaJfTjx5e+MePCpCWwvftOeQmWk=
-cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o=
-cloud.google.com/go/bigquery v1.3.0/go.mod h1:PjpwJnslEMmckchkHFfq+HTD2DmtT67aNFKH1/VBDHE=
-cloud.google.com/go/bigquery v1.4.0/go.mod h1:S8dzgnTigyfTmLBfrtrhyYhwRxG72rYxvftPBK2Dvzc=
-cloud.google.com/go/bigquery v1.5.0/go.mod h1:snEHRnqQbz117VIFhE8bmtwIDY80NLUZUMb4Nv6dBIg=
-cloud.google.com/go/bigquery v1.7.0/go.mod h1://okPTzCYNXSlb24MZs83e2Do+h+VXtc4gLoIoXIAPc=
-cloud.google.com/go/bigquery v1.8.0/go.mod h1:J5hqkt3O0uAFnINi6JXValWIb1v0goeZM77hZzJN/fQ=
-cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE=
-cloud.google.com/go/datastore v1.1.0/go.mod h1:umbIZjpQpHh4hmRpGhH4tLFup+FVzqBi1b3c64qFpCk=
-cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I=
-cloud.google.com/go/pubsub v1.1.0/go.mod h1:EwwdRX2sKPjnvnqCa270oGRyludottCI76h+R3AArQw=
-cloud.google.com/go/pubsub v1.2.0/go.mod h1:jhfEVHT8odbXTkndysNHCcx0awwzvfOlguIAii9o8iA=
-cloud.google.com/go/pubsub v1.3.1/go.mod h1:i+ucay31+CNRpDW4Lu78I4xXG+O1r/MAHgjpRVR+TSU=
-cloud.google.com/go/storage v1.0.0/go.mod h1:IhtSnM/ZTZV8YYJWCY8RULGVqBDmpoyjwiyrjsg+URw=
-cloud.google.com/go/storage v1.5.0/go.mod h1:tpKbwo567HUNpVclU5sGELwQWBDZ8gh0ZeosJ0Rtdos=
-cloud.google.com/go/storage v1.6.0/go.mod h1:N7U0C8pVQ/+NIKOBQyamJIeKQKkZ+mxpohlUTyfDhBk=
-cloud.google.com/go/storage v1.8.0/go.mod h1:Wv1Oy7z6Yz3DshWRJFhqM/UCfaWIRTdp0RXyy7KQOVs=
-cloud.google.com/go/storage v1.10.0/go.mod h1:FLPqc6j+Ki4BU591ie1oL6qBQGu2Bl/tZ9ullr3+Kg0=
-dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
-github.com/Azure/go-autorest/autorest v0.9.0/go.mod h1:xyHB1BMZT0cuDHU7I0+g046+BFDTQ8rEZB0s4Yfa6bI=
-github.com/Azure/go-autorest/autorest/adal v0.5.0/go.mod h1:8Z9fGy2MpX0PvDjB1pEgQTmVqjGhiHBW7RJJEciWzS0=
-github.com/Azure/go-autorest/autorest/date v0.1.0/go.mod h1:plvfp3oPSKwf2DNjlBjWF/7vwR+cUD/ELuzDCXwHUVA=
-github.com/Azure/go-autorest/autorest/mocks v0.1.0/go.mod h1:OTyCOPRA2IgIlWxVYxBee2F5Gr4kF2zd2J5cFRaIDN0=
-github.com/Azure/go-autorest/autorest/mocks v0.2.0/go.mod h1:OTyCOPRA2IgIlWxVYxBee2F5Gr4kF2zd2J5cFRaIDN0=
-github.com/Azure/go-autorest/logger v0.1.0/go.mod h1:oExouG+K6PryycPJfVSxi/koC6LSNgds39diKLz7Vrc=
-github.com/Azure/go-autorest/tracing v0.5.0/go.mod h1:r/s2XiOKccPW3HrqB+W0TQzfbtp2fGCgRFtBroKn4Dk=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
-github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
 github.com/Knetic/govaluate v3.0.1-0.20171022003610-9aa49832a739+incompatible/go.mod h1:r7JcOSlj0wfOMncg0iLm8Leh48TZaKVeNIfJntJ2wa0=
-github.com/NYTimes/gziphandler v0.0.0-20170623195520-56545f4a5d46/go.mod h1:3wb06e3pkSAbeQ52E9H9iFoQsEEwGN64994WTCIhntQ=
-github.com/PuerkitoBio/purell v1.0.0/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0=
-github.com/PuerkitoBio/urlesc v0.0.0-20160726150825-5bd2802263f2/go.mod h1:uGdkoq3SwY9Y+13GIhn11/XLaGBb4BfwItxLd5jeuXE=
 github.com/Shopify/sarama v1.19.0/go.mod h1:FVkBWblsNy7DGZRfXLU0O9RCGt5g3g3yEuWXgklEdEo=
 github.com/Shopify/toxiproxy v2.1.4+incompatible/go.mod h1:OXgGpZ6Cli1/URJOF1DMxUHB2q5Ap20/P/eIdh4G0pI=
 github.com/TwinProduction/gocache v1.2.3 h1:4wFNih4CemUX+A99Gk/EsaU0SXSNZV42Ve77v7/7ToY=
@@ -79,13 +34,8 @@ github.com/cenkalti/backoff v2.2.1+incompatible/go.mod h1:90ReRw6GdpyfrHakVjL/QH
 github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
 github.com/cespare/xxhash/v2 v2.1.1 h1:6MnRN8NT7+YBpUIWxHtefFZOKTAPgGjpQSxqLNn0+qY=
 github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
-github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
-github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
-github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
 github.com/clbanning/x2j v0.0.0-20191024224557-825249438eec/go.mod h1:jMjuTZXRI4dUb/I5gc9Hdhagfvm9+RyrPryS/auMzxE=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
-github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
-github.com/cncf/udpa/go v0.0.0-20200629203442-efcf912fb354/go.mod h1:WmhPx2Nbnhtbo57+VJT5O0JRkEi1Wbu0z5j0R8u5Hbk=
 github.com/cockroachdb/datadriven v0.0.0-20190809214429-80d97fb3cbaa/go.mod h1:zn76sxSg3SzpJ0PPJaLDCu+Bu0Lg3sKTORVIj19EIF8=
 github.com/codahale/hdrhistogram v0.0.0-20161010025455-3a0bb77429bd/go.mod h1:sE/e/2PUdi/liOCUjSTXgM1o87ZssimdTWN964YiIeI=
 github.com/coreos/go-semver v0.2.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
@@ -94,10 +44,8 @@ github.com/coreos/pkg v0.0.0-20160727233714-3ac0863d7acf/go.mod h1:E3G3o1h8I7cfc
 github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
 github.com/creack/pty v1.1.7/go.mod h1:lj5s0c3V2DBrqTV7llrYr5NG6My20zk30Fl46Y7DoTY=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
-github.com/docker/spdystream v0.0.0-20160310174837-449fdfce4d96/go.mod h1:Qh8CwZgvJUkLughtfhJv5dyTYa91l1fOUCrgjqmcifM=
 github.com/dustin/go-humanize v0.0.0-20171111073723-bb3d318650d4/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=
 github.com/dustin/go-humanize v1.0.0 h1:VSnTsYCnlFHaM2/igO1h6X3HA71jcobQuxemgkq4zYo=
 github.com/dustin/go-humanize v1.0.0/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=
@@ -105,36 +53,21 @@ github.com/eapache/go-resiliency v1.1.0/go.mod h1:kFI+JgMyC7bLPUVY133qvEBtVayf5m
 github.com/eapache/go-xerial-snappy v0.0.0-20180814174437-776d5712da21/go.mod h1:+020luEh2TKB4/GOp8oxxtq0Daoen/Cii55CzbTV6DU=
 github.com/eapache/queue v1.1.0/go.mod h1:6eCeP0CKFpHLu8blIFXhExK/dRa7WDZfr6jVFPTqq+I=
 github.com/edsrzf/mmap-go v1.0.0/go.mod h1:YO35OhQPt3KJa3ryjFM5Bs14WD66h8eGKpfaBNrHW5M=
-github.com/elazarl/goproxy v0.0.0-20180725130230-947c36da3153/go.mod h1:/Zj4wYkgs4iZTTu3o/KG3Itv/qCCa8VVMlb3i9OVuzc=
-github.com/emicklei/go-restful v0.0.0-20170410110728-ff4f55a20633/go.mod h1:otzb+WCGbkyDHkqmQmT5YD2WR4BBwUdeQoFo8l/7tVs=
 github.com/envoyproxy/go-control-plane v0.6.9/go.mod h1:SBwIajubJHhxtWwsL9s8ss4safvEdbitLhGGK48rN6g=
-github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
-github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1mIlRU8Am5FuJP05cCM98=
-github.com/envoyproxy/go-control-plane v0.9.7/go.mod h1:cwu0lG7PUMfa9snN8LXBig5ynNVH9qI8YYLbd1fK2po=
 github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
-github.com/evanphx/json-patch v4.9.0+incompatible/go.mod h1:50XU6AFN0ol/bzJsmQLiYLvXMP4fmwYFNcr97nuDLSk=
 github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
 github.com/franela/goblin v0.0.0-20200105215937-c9ffbefa60db/go.mod h1:7dvUGVsVBjqR7JHJk0brhHOZYGmfBYOrK0ZhYMEtBr4=
 github.com/franela/goreq v0.0.0-20171204163338-bcd34c9993f8/go.mod h1:ZhphrRTfi2rbfLwlschooIH4+wKKDR4Pdxhh+TRoA20=
 github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
 github.com/fsnotify/fsnotify v1.4.9/go.mod h1:znqG4EE+3YCdAaPaxE2ZRY/06pZUdp0tY4IgpuI1SZQ=
-github.com/ghodss/yaml v0.0.0-20150909031657-73d445a93680/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
 github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
-github.com/go-gl/glfw v0.0.0-20190409004039-e6da0acd62b1/go.mod h1:vR7hzQXu2zJy9AVAgeJqvqgH9Q5CA+iKCZ2gyEVpxRU=
-github.com/go-gl/glfw/v3.3/glfw v0.0.0-20191125211704-12ad95a8df72/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
-github.com/go-gl/glfw/v3.3/glfw v0.0.0-20200222043503-6f7a984d4dc4/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
 github.com/go-kit/kit v0.8.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
 github.com/go-kit/kit v0.9.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
 github.com/go-kit/kit v0.10.0/go.mod h1:xUsJbQ/Fp4kEt7AFgCuvyX4a71u8h9jB8tj/ORgOZ7o=
 github.com/go-logfmt/logfmt v0.3.0/go.mod h1:Qt1PoO58o5twSAckw1HlFXLmHsOX5/0LbT9GBnD5lWE=
 github.com/go-logfmt/logfmt v0.4.0/go.mod h1:3RMwSq7FuexP4Kalkev3ejPJsZTpXXBr9+V4qmtdjCk=
 github.com/go-logfmt/logfmt v0.5.0/go.mod h1:wCYkCAKZfumFQihp8CzCvQ3paCTfi41vtzG1KdI/P7A=
-github.com/go-logr/logr v0.1.0/go.mod h1:ixOQHD9gLJUVQQ2ZOR7zLEifBX6tGkNJF4QyIY7sIas=
-github.com/go-openapi/jsonpointer v0.0.0-20160704185906-46af16f9f7b1/go.mod h1:+35s3my2LFTysnkMfxsJBAMHj/DoqoB9knIWoYG/Vk0=
-github.com/go-openapi/jsonreference v0.0.0-20160704190145-13c6e3589ad9/go.mod h1:W3Z9FmVs9qj+KR4zFKmDPGiLdk1D9Rlm7cyMvf57TTg=
-github.com/go-openapi/spec v0.0.0-20160808142527-6aced65f8501/go.mod h1:J8+jY1nAiCcj+friV/PDoE1/3eeccG9LYBs0tYvLOWc=
-github.com/go-openapi/swag v0.0.0-20160704191624-1d0bd113de87/go.mod h1:DXUve3Dpr1UfpPtxFw+EFuQ41HhCWZfha5jSVRG7C7I=
 github.com/go-ping/ping v0.0.0-20201115131931-3300c582a663 h1:jI2GiiRh+pPbey52EVmbU6kuLiXqwy4CXZ4gwUBj8Y0=
 github.com/go-ping/ping v0.0.0-20201115131931-3300c582a663/go.mod h1:35JbSyV/BYqHwwRA6Zr1uVDm1637YlNOU61wI797NPI=
 github.com/go-redis/redis v6.15.9+incompatible/go.mod h1:NAIEuMOZ/fxfXJIrKDQDz8wamY7mA7PouImQ2Jvg6kA=
@@ -144,29 +77,15 @@ github.com/gogo/googleapis v1.1.0/go.mod h1:gf4bu3Q80BeJ6H1S1vYPm8/ELATdvryBaNFG
 github.com/gogo/protobuf v1.1.1/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=
 github.com/gogo/protobuf v1.2.0/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=
 github.com/gogo/protobuf v1.2.1/go.mod h1:hp+jE20tsWTFYpLwKvXlhS1hjn+gTNwPg2I6zVXpSg4=
-github.com/gogo/protobuf v1.3.1 h1:DqDEcV5aeaTmdFBePNpYsp3FlcVH/2ISVVM9Qf8PSls=
-github.com/gogo/protobuf v1.3.1/go.mod h1:SlYgWuQ5SjCEi6WLHjHCa1yvBfUnHcTbrrZtXPKa29o=
 github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0 h1:DACJavvAHhabrF08vX0COfcOBJRhZ8lUbR+ZWIs0Y5g=
 github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0/go.mod h1:E/TSTwGwJL78qG/PmXZO1EjYhfJinVAhrmmHX6Z8B9k=
 github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
 github.com/golang/groupcache v0.0.0-20160516000752-02826c3e7903/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
 github.com/golang/groupcache v0.0.0-20190702054246-869f871628b6/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
-github.com/golang/groupcache v0.0.0-20191227052852-215e87163ea7/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
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-github.com/golang/mock v1.2.0/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
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-github.com/golang/protobuf v0.0.0-20161109072736-4bd1920723d7/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
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-github.com/golang/protobuf v1.3.3/go.mod h1:vzj43D7+SQXF/4pzW/hwtAqwc6iTitCiVSaWz5lYuqw=
-github.com/golang/protobuf v1.3.4/go.mod h1:vzj43D7+SQXF/4pzW/hwtAqwc6iTitCiVSaWz5lYuqw=
-github.com/golang/protobuf v1.3.5/go.mod h1:6O5/vntMXwX2lRkT1hjjk0nAC1IDOTvTlVgjlRvqsdk=
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 github.com/golang/protobuf v1.4.0-rc.2/go.mod h1:LlEzMj4AhA7rCAGe4KMBDvJI+AwstrUpVNzEA03Pprs=
@@ -183,39 +102,13 @@ github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5a
 github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
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 github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
-github.com/google/go-cmp v0.4.1/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
-github.com/google/go-cmp v0.5.1/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
-github.com/google/go-cmp v0.5.2/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.3/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
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-github.com/google/gofuzz v1.2.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
-github.com/google/martian v2.1.0+incompatible/go.mod h1:9I4somxYTbIHy5NJKHRl3wXiIaQGbYVAs8BPL6v8lEs=
-github.com/google/martian/v3 v3.0.0/go.mod h1:y5Zk1BBys9G+gd6Jrk0W3cC1+ELVxBWuIGO+w/tUAp0=
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-github.com/google/pprof v0.0.0-20200229191704-1ebb73c60ed3/go.mod h1:ZgVRPoUq/hfqzAqh7sHMqb3I9Rq5C59dIz2SbBwJ4eM=
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-github.com/google/pprof v0.0.0-20201023163331-3e6fc7fc9c4c/go.mod h1:kpwsk12EmLew5upagYY7GY0pfYCcupk39gWOCRROcvE=
-github.com/google/pprof v0.0.0-20201203190320-1bf35d6f28c2/go.mod h1:kpwsk12EmLew5upagYY7GY0pfYCcupk39gWOCRROcvE=
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-github.com/google/uuid v1.1.1/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
-github.com/google/uuid v1.1.2/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
-github.com/googleapis/gax-go/v2 v2.0.4/go.mod h1:0Wqv26UfaUD9n4G6kQubkQ+KchISgw+vpHVxEJEs9eg=
-github.com/googleapis/gax-go/v2 v2.0.5/go.mod h1:DWXyrwAJ9X0FpwwEdw+IPEYBICEFu5mhpdKc/us6bOk=
-github.com/googleapis/gnostic v0.0.0-20170729233727-0c5108395e2d/go.mod h1:sJBsCZ4ayReDTBIg8b9dl28c5xFWyhBTVRp3pOg5EKY=
-github.com/googleapis/gnostic v0.1.0 h1:rVsPeBmXbYv4If/cumu1AzZPwV58q433hvONV1UEZoI=
-github.com/googleapis/gnostic v0.1.0/go.mod h1:sJBsCZ4ayReDTBIg8b9dl28c5xFWyhBTVRp3pOg5EKY=
-github.com/gophercloud/gophercloud v0.1.0/go.mod h1:vxM41WHh5uqHVBMZHzuwNOHh8XEoIEcSTewFxm1c5g8=
 github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
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 github.com/gorilla/mux v1.6.2/go.mod h1:1lud6UwP+6orDFRuTfBEV8e9/aOM/c4fVVCaMa2zaAs=
@@ -223,7 +116,6 @@ github.com/gorilla/mux v1.7.3/go.mod h1:1lud6UwP+6orDFRuTfBEV8e9/aOM/c4fVVCaMa2z
 github.com/gorilla/mux v1.8.0 h1:i40aqfkR1h2SlN9hojwV5ZA91wcXFOvkdNIeFDP5koI=
 github.com/gorilla/mux v1.8.0/go.mod h1:DVbg23sWSpFRCP0SfiEN6jmj59UnW/n46BH5rLB71So=
 github.com/gorilla/websocket v0.0.0-20170926233335-4201258b820c/go.mod h1:E7qHFY5m1UJ88s3WnNqhKjPHQ0heANvMoAMk2YaljkQ=
-github.com/gregjones/httpcache v0.0.0-20180305231024-9cad4c3443a7/go.mod h1:FecbI9+v66THATjSRHfNgh1IVFe/9kFxbXtjV0ctIMA=
 github.com/grpc-ecosystem/go-grpc-middleware v1.0.1-0.20190118093823-f849b5445de4/go.mod h1:FiyG127CGDf3tlThmgyCl78X/SZQqEOJBCDaAfeWzPs=
 github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0/go.mod h1:8NvIoxWQoOIhqOTXgfV/d3M/q6VIi02HzZEHgUlZvzk=
 github.com/grpc-ecosystem/grpc-gateway v1.9.5/go.mod h1:vNeuVxBJEsws4ogUvrchl83t/GYV9WGTSLVdBhOQFDY=
@@ -249,11 +141,6 @@ github.com/hashicorp/memberlist v0.1.3/go.mod h1:ajVTdAv/9Im8oMAAj5G31PhhMCZJV2p
 github.com/hashicorp/serf v0.8.2/go.mod h1:6hOLApaqBFA1NXqRQAsxw9QxuDEvNxSQRwA/JwenrHc=
 github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=
 github.com/hudl/fargo v1.3.0/go.mod h1:y3CKSmjA+wD2gak7sUSXTAoopbhU08POFhmITJgmKTg=
-github.com/ianlancetaylor/demangle v0.0.0-20181102032728-5e5cf60278f6/go.mod h1:aSSvb/t6k1mPoxDqO4vJh6VOCGPwU4O0C2/Eqndh1Sc=
-github.com/ianlancetaylor/demangle v0.0.0-20200824232613-28f6c0f3b639/go.mod h1:aSSvb/t6k1mPoxDqO4vJh6VOCGPwU4O0C2/Eqndh1Sc=
-github.com/imdario/mergo v0.3.5/go.mod h1:2EnlNZ0deacrJVfApfmtdGgDfMuh/nq6Ok1EcJh5FfA=
-github.com/imdario/mergo v0.3.11 h1:3tnifQM4i+fbajXKBHXWEH+KvNHqojZ778UH75j3bGA=
-github.com/imdario/mergo v0.3.11/go.mod h1:jmQim1M+e3UYxmgPu/WyfjB3N3VflVyUjjjwH0dnCYA=
 github.com/inconshreveable/mousetrap v1.0.0/go.mod h1:PxqpIevigyE2G7u3NXJIT2ANytuPF1OarO4DADm73n8=
 github.com/influxdata/influxdb1-client v0.0.0-20191209144304-8bf82d3c094d/go.mod h1:qj24IKcXYK6Iy9ceXlo3Tc+vtHo9lIhSX5JddghvEPo=
 github.com/jmespath/go-jmespath v0.0.0-20180206201540-c2b33e8439af/go.mod h1:Nht3zPeWKUH0NzdCt2Blrr5ys8VGpn0CEB0cQHVjt7k=
@@ -262,17 +149,13 @@ github.com/jpillora/backoff v1.0.0/go.mod h1:J/6gKK9jxlEcS3zixgDgUAsiuZ7yrSoa/FX
 github.com/json-iterator/go v1.1.6/go.mod h1:+SdeFBvtyEkXs7REEP0seUULqWtbJapLOCVDaaPEHmU=
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 github.com/json-iterator/go v1.1.8/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4=
-github.com/json-iterator/go v1.1.10 h1:Kz6Cvnvv2wGdaG/V8yMvfkmNiXq9Ya2KUv4rouJJr68=
 github.com/json-iterator/go v1.1.10/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4=
-github.com/jstemmer/go-junit-report v0.0.0-20190106144839-af01ea7f8024/go.mod h1:6v2b51hI/fHJwM22ozAgKL4VKDeJcHhJFhtBdhmNjmU=
-github.com/jstemmer/go-junit-report v0.9.1/go.mod h1:Brl9GWCQeLvo8nXZwPNNblvFj/XSXhF0NWZEnDohbsk=
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 github.com/julienschmidt/httprouter v1.2.0/go.mod h1:SYymIcj16QtmaHHD7aYtjjsJG7VTCxuUUipMqKk8s4w=
 github.com/julienschmidt/httprouter v1.3.0/go.mod h1:JR6WtHb+2LUe8TCKY3cZOxFyyO8IZAc4RVcycCCAKdM=
 github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51 h1:Z9n2FFNUXsshfwJMBgNA0RU6/i7WVaAegv3PtuIHPMs=
 github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51/go.mod h1:CzGEWj7cYgsdH8dAjBGEr58BoE7ScuLd+fwFZ44+/x8=
 github.com/kisielk/errcheck v1.1.0/go.mod h1:EZBBE59ingxPouuu3KfxchcWSUPOHkagtvWXihfKN4Q=
-github.com/kisielk/errcheck v1.2.0/go.mod h1:/BMXB+zMLi60iA8Vv6Ksmxu/1UDYcXs4uQLJ+jE2L00=
 github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
 github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
 github.com/konsorten/go-windows-terminal-sequences v1.0.3/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
@@ -282,10 +165,11 @@ github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORN
 github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
 github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
 github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
+github.com/lib/pq v1.10.3 h1:v9QZf2Sn6AmjXtQeFpdoq/eaNtYP6IN+7lcrygsIAtg=
+github.com/lib/pq v1.10.3/go.mod h1:AlVN5x4E4T544tWzH6hKfbfQvm3HdbOxrmggDNAPY9o=
 github.com/lightstep/lightstep-tracer-common/golang/gogo v0.0.0-20190605223551-bc2310a04743/go.mod h1:qklhhLq1aX+mtWk9cPHPzaBjWImj5ULL6C7HFJtXQMM=
 github.com/lightstep/lightstep-tracer-go v0.18.1/go.mod h1:jlF1pusYV4pidLvZ+XD0UBX0ZE6WURAspgAczcDHrL4=
 github.com/lyft/protoc-gen-validate v0.0.13/go.mod h1:XbGvPuh87YZc5TdIa2/I4pLk0QoUACkjt2znoq26NVQ=
-github.com/mailru/easyjson v0.0.0-20160728113105-d5b7844b561a/go.mod h1:C1wdFJiN94OJF2b5HbByQZoLdCWB1Yqtg26g4irojpc=
 github.com/mattn/go-colorable v0.0.9/go.mod h1:9vuHe8Xs5qXnSaW/c/ABM9alt+Vo+STaOChaDxuIBZU=
 github.com/mattn/go-isatty v0.0.3/go.mod h1:M+lRXTBqGeGNdLjl/ufCoiOlB5xdOkqRJdNxMWT7Zi4=
 github.com/mattn/go-isatty v0.0.4/go.mod h1:M+lRXTBqGeGNdLjl/ufCoiOlB5xdOkqRJdNxMWT7Zi4=
@@ -307,15 +191,11 @@ github.com/mitchellh/iochan v1.0.0/go.mod h1:JwYml1nuB7xOzsp52dPpHFffvOCDupsG0Qu
 github.com/mitchellh/mapstructure v0.0.0-20160808181253-ca63d7c062ee/go.mod h1:FVVH3fgwuzCH5S8UJGiWEs2h04kUh9fWfEaFds41c1Y=
 github.com/mitchellh/mapstructure v1.1.2/go.mod h1:FVVH3fgwuzCH5S8UJGiWEs2h04kUh9fWfEaFds41c1Y=
 github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
-github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd h1:TRLaZ9cD/w8PVh93nsPXa1VrQ6jlwL5oN8l14QlcNfg=
 github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
 github.com/modern-go/reflect2 v0.0.0-20180701023420-4b7aa43c6742/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3RllmbCylyMrvgv0=
-github.com/modern-go/reflect2 v1.0.1 h1:9f412s+6RmYXLWZSEzVVgPGK7C2PphHj5RJrvfx9AWI=
 github.com/modern-go/reflect2 v1.0.1/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3RllmbCylyMrvgv0=
-github.com/munnerz/goautoneg v0.0.0-20120707110453-a547fc61f48d/go.mod h1:+n7T8mK8HuQTcFwEeznm/DIxMOiR9yIdICNftLE1DvQ=
 github.com/mwitkow/go-conntrack v0.0.0-20161129095857-cc309e4a2223/go.mod h1:qRWi+5nqEBWmkhHvq77mSJWrCKwh8bxhgT7d/eI7P4U=
 github.com/mwitkow/go-conntrack v0.0.0-20190716064945-2f068394615f/go.mod h1:qRWi+5nqEBWmkhHvq77mSJWrCKwh8bxhgT7d/eI7P4U=
-github.com/mxk/go-flowrate v0.0.0-20140419014527-cca7078d478f/go.mod h1:ZdcZmHo+o7JKHSa8/e818NopupXU1YMK5fe1lsApnBw=
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 github.com/nats-io/nats-server/v2 v2.1.2/go.mod h1:Afk+wRZqkMQs/p45uXdrVLuab3gwv3Z8C4HTBu8GD/k=
@@ -327,15 +207,11 @@ github.com/nxadm/tail v1.4.4/go.mod h1:kenIhsEOeOJmVchQTgglprH7qJGnHDVpk1VPCcaMI
 github.com/oklog/oklog v0.3.2/go.mod h1:FCV+B7mhrz4o+ueLpx+KqkyXRGMWOYEvfiXtdGtbWGs=
 github.com/oklog/run v1.0.0/go.mod h1:dlhp/R75TPv97u0XWUtDeV/lRKWPKSdTuV0TZvrmrQA=
 github.com/olekukonko/tablewriter v0.0.0-20170122224234-a0225b3f23b5/go.mod h1:vsDQFd/mU46D+Z4whnwzcISnGGzXWMclvtLoiIKAKIo=
-github.com/onsi/ginkgo v0.0.0-20170829012221-11459a886d9c/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE=
 github.com/onsi/ginkgo v1.6.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE=
 github.com/onsi/ginkgo v1.7.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE=
-github.com/onsi/ginkgo v1.11.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE=
 github.com/onsi/ginkgo v1.12.1/go.mod h1:zj2OWP4+oCPe1qIXoGWkgMRwljMUYCdkwsT2108oapk=
 github.com/onsi/ginkgo v1.14.1/go.mod h1:iSB4RoI2tjJc9BBv4NKIKWKya62Rps+oPG/Lv9klQyY=
-github.com/onsi/gomega v0.0.0-20170829124025-dcabb60a477c/go.mod h1:C1qb7wdrVGGVU+Z6iS04AVkA3Q65CEZX59MT0QO5uiA=
 github.com/onsi/gomega v1.4.3/go.mod h1:ex+gbHU/CVuBBDIJjb2X0qEXbFg53c61hWP/1CpauHY=
-github.com/onsi/gomega v1.7.0/go.mod h1:ex+gbHU/CVuBBDIJjb2X0qEXbFg53c61hWP/1CpauHY=
 github.com/onsi/gomega v1.7.1/go.mod h1:XdKZgCCFLUoM/7CFJVPcG8C1xQ1AJ0vpAezJrB7JYyY=
 github.com/onsi/gomega v1.10.1/go.mod h1:iN09h71vgCQne3DLsj+A5owkum+a2tYe+TOCB1ybHNo=
 github.com/onsi/gomega v1.10.2/go.mod h1:iN09h71vgCQne3DLsj+A5owkum+a2tYe+TOCB1ybHNo=
@@ -352,14 +228,12 @@ github.com/pact-foundation/pact-go v1.0.4/go.mod h1:uExwJY4kCzNPcHRj+hCR/HBbOOIw
 github.com/pascaldekloe/goe v0.0.0-20180627143212-57f6aae5913c/go.mod h1:lzWF7FIEvWOWxwDKqyGYQf6ZUaNfKdP144TG7ZOy1lc=
 github.com/pborman/uuid v1.2.0/go.mod h1:X/NO0urCmaxf9VXbdlT7C2Yzkj2IKimNn4k+gtPdI/k=
 github.com/performancecopilot/speed v3.0.0+incompatible/go.mod h1:/CLtqpZ5gBg1M9iaPbIdPPGyKcA8hKdoy6hAWba7Yac=
-github.com/peterbourgon/diskv v2.0.1+incompatible/go.mod h1:uqqh8zWWbv1HBMNONnaR/tNboyR3/BZd58JJSHlUSCU=
 github.com/pierrec/lz4 v1.0.2-0.20190131084431-473cd7ce01a1/go.mod h1:3/3N9NVKO0jef7pBehbT1qWhCMrIgbYNnFAZCqQ5LRc=
 github.com/pierrec/lz4 v2.0.5+incompatible/go.mod h1:pdkljMzZIN41W+lC3N2tnIh5sFi+IEE17M5jbnwPHcY=
 github.com/pkg/errors v0.8.0/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pkg/profile v1.2.1/go.mod h1:hJw3o1OdXxsrSjjVksARp5W95eeEaEfptyVZyv6JUPA=
-github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/posener/complete v1.1.1/go.mod h1:em0nMJCgc9GFtwrmVmEMR/ZL6WyhyjMBndrE9hABlRI=
 github.com/prometheus/client_golang v0.9.1/go.mod h1:7SWBe2y4D6OKWSNQJUaRYU/AaXPKyh/dDVn+NZz0KFw=
@@ -406,12 +280,8 @@ github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d/go.mod h1
 github.com/smartystreets/goconvey v1.6.4/go.mod h1:syvi0/a8iFYH4r/RixwvyeAJjdLS9QV7WQ/tjFTllLA=
 github.com/soheilhy/cmux v0.1.4/go.mod h1:IM3LyeVVIOuxMH7sFAkER9+bJ4dT7Ms6E4xg4kGIyLM=
 github.com/sony/gobreaker v0.4.1/go.mod h1:ZKptC7FHNvhBz7dN2LGjPVBz2sZJmc0/PkyDJOjmxWY=
-github.com/spf13/afero v1.2.2/go.mod h1:9ZxEEn6pIJ8Rxe320qSDBk6AsU0r9pR7Q4OcevTdifk=
 github.com/spf13/cobra v0.0.3/go.mod h1:1l0Ry5zgKvJasoi3XT1TypsSe7PqH0Sj9dhYf7v3XqQ=
-github.com/spf13/pflag v0.0.0-20170130214245-9ff6c6923cff/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnInEg4=
 github.com/spf13/pflag v1.0.1/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnInEg4=
-github.com/spf13/pflag v1.0.5 h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA=
-github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
 github.com/streadway/amqp v0.0.0-20190404075320-75d898a42a94/go.mod h1:AZpEONHx3DKn8O/DFsRAY58/XVQiIPMTMB1SddzLXVw=
 github.com/streadway/amqp v0.0.0-20190827072141-edfb9018d271/go.mod h1:AZpEONHx3DKn8O/DFsRAY58/XVQiIPMTMB1SddzLXVw=
 github.com/streadway/handy v0.0.0-20190108123426-d5acb3125c2a/go.mod h1:qNTQ5P5JnDBl6z3cMAg/SywNDC5ABu5ApDIw6lUbRmI=
@@ -420,8 +290,6 @@ github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
 github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
-github.com/stretchr/testify v1.5.1 h1:nOGnQDM7FYENwehXlg/kFVnos3rEvtKTjRvOWSzb6H4=
-github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=
 github.com/tidwall/redcon v1.3.2/go.mod h1:bdYBm4rlcWpst2XMwKVzWDF9CoUxEbUmM7CQrKeOZas=
 github.com/tmc/grpc-websocket-proxy v0.0.0-20170815181823-89b8d40f7ca8/go.mod h1:ncp9v5uamzpCO7NfCPTXjqaC+bZgJeR0sMTm6dMHP7U=
 github.com/urfave/cli v1.20.0/go.mod h1:70zkFmudgCuE/ngEzBv17Jvp/497gISqfk5gWijbERA=
@@ -429,9 +297,6 @@ github.com/urfave/cli v1.22.1/go.mod h1:Gos4lmkARVdJ6EkW0WaNv/tZAAMe9V7XWyB60NtX
 github.com/wcharczuk/go-chart/v2 v2.1.0 h1:tY2slqVQ6bN+yHSnDYwZebLQFkphK4WNrVwnt7CJZ2I=
 github.com/wcharczuk/go-chart/v2 v2.1.0/go.mod h1:yx7MvAVNcP/kN9lKXM/NTce4au4DFN99j6i1OwDclNA=
 github.com/xiang90/probing v0.0.0-20190116061207-43a291ad63a2/go.mod h1:UETIi67q53MR2AWcXfiuqkDkRtnGDLqkBTpCHuJHxtU=
-github.com/yuin/goldmark v1.1.25/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
-github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
-github.com/yuin/goldmark v1.1.32/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 go.etcd.io/bbolt v1.3.3/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU=
 go.etcd.io/bbolt v1.3.5 h1:XAzx9gjCb0Rxj7EoqcClPD1d5ZBxZJk0jbuoPHenBt0=
@@ -439,12 +304,7 @@ go.etcd.io/bbolt v1.3.5/go.mod h1:G5EMThwa9y8QZGBClrRx5EY+Yw9kAhnjy3bSjsnlVTQ=
 go.etcd.io/etcd v0.0.0-20191023171146-3cf2f69b5738/go.mod h1:dnLIgRNXwCJa5e+c6mIZCrds/GIG4ncV9HhK5PX7jPg=
 go.opencensus.io v0.20.1/go.mod h1:6WKK9ahsWS3RSO+PY9ZHZUfv2irvY6gN279GOPZjmmk=
 go.opencensus.io v0.20.2/go.mod h1:6WKK9ahsWS3RSO+PY9ZHZUfv2irvY6gN279GOPZjmmk=
-go.opencensus.io v0.21.0/go.mod h1:mSImk1erAIZhrmZN+AvHh14ztQfjbGwt4TtuofqLduU=
-go.opencensus.io v0.22.0/go.mod h1:+kGneAE2xo2IficOXnaByMWTGM9T73dGwxeWcUqIpI8=
 go.opencensus.io v0.22.2/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
-go.opencensus.io v0.22.3/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
-go.opencensus.io v0.22.4/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
-go.opencensus.io v0.22.5/go.mod h1:5pWMHQbX5EPX2/62yrJeAkowc+lfs/XD7Uxpq3pI6kk=
 go.uber.org/atomic v1.3.2/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
 go.uber.org/atomic v1.5.0/go.mod h1:sABNBOSYdrvTF6hTgEIbc7YasKWGhgEQZyfxyTvoXHQ=
 go.uber.org/multierr v1.1.0/go.mod h1:wR5kodmAFQ0UK8QlbwjlSNy0Z68gJhDJUG5sjR94q/0=
@@ -454,28 +314,14 @@ go.uber.org/zap v1.10.0/go.mod h1:vwi/ZaCAaUcBkycHslxD9B2zi4UTXhF60s6SWpuDF0Q=
 go.uber.org/zap v1.13.0/go.mod h1:zwrFLgMcdUuIBviXEYEH1YKNaOBnKXsx2IPda5bBwHM=
 golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20181029021203-45a5f77698d3/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
-golang.org/x/crypto v0.0.0-20190211182817-74369b46fc67/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
-golang.org/x/crypto v0.0.0-20190605123033-f99c8df09eb5/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20190701094942-4def268fd1a4/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
-golang.org/x/crypto v0.0.0-20200220183623-bac4c82f6975/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.0.0-20201221181555-eec23a3978ad h1:DN0cp81fZ3njFcrLCytUHRSUkqBjfTo4Tx9RJTWs0EY=
 golang.org/x/crypto v0.0.0-20201221181555-eec23a3978ad/go.mod h1:jdWPYTVW3xRLrWPugEBEK3UY2ZEsg3UU495nc5E+M+I=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
-golang.org/x/exp v0.0.0-20190306152737-a1d7652674e8/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
-golang.org/x/exp v0.0.0-20190510132918-efd6b22b2522/go.mod h1:ZjyILWgesfNpC6sMxTJOJm9Kp84zZh5NQWvqDGG3Qr8=
-golang.org/x/exp v0.0.0-20190829153037-c13cbed26979/go.mod h1:86+5VVa7VpoJ4kLfm080zCjGlMRFzhUhsZKEZO7MGek=
-golang.org/x/exp v0.0.0-20191030013958-a1ab85dbe136/go.mod h1:JXzH8nQsPlswgeRAPE3MuO9GYsAcnJvJ4vnMwN/5qkY=
-golang.org/x/exp v0.0.0-20191129062945-2f5052295587/go.mod h1:2RIsYlXP63K8oxa1u096TMicItID8zy7Y6sNkU49FU4=
-golang.org/x/exp v0.0.0-20191227195350-da58074b4299/go.mod h1:2RIsYlXP63K8oxa1u096TMicItID8zy7Y6sNkU49FU4=
-golang.org/x/exp v0.0.0-20200119233911-0405dc783f0a/go.mod h1:2RIsYlXP63K8oxa1u096TMicItID8zy7Y6sNkU49FU4=
-golang.org/x/exp v0.0.0-20200207192155-f17229e696bd/go.mod h1:J/WKrq2StrnmMY6+EHIKF9dgMWnmCNThgcyBT1FY9mM=
-golang.org/x/exp v0.0.0-20200224162631-6cc2880d07d6/go.mod h1:3jZMyOhIsHpP37uCMkUooju7aAi5cS1Q23tOzKc+0MU=
-golang.org/x/image v0.0.0-20190227222117-0694c2d4d067/go.mod h1:kZ7UVZpmo3dzQBMxlp+ypCbDeSB+sBbTgSJuh5dn5js=
-golang.org/x/image v0.0.0-20190802002840-cff245a6509b/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
 golang.org/x/image v0.0.0-20200927104501-e162460cd6b5/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
 golang.org/x/image v0.0.0-20210628002857-a66eb6448b8d h1:RNPAfi2nHY7C2srAV8A49jpsYr0ADedCk1wq6fTMTvs=
 golang.org/x/image v0.0.0-20210628002857-a66eb6448b8d/go.mod h1:023OzeP/+EPmXeapQh35lcL3II3LrY8Ic+EFFKVhULM=
@@ -483,24 +329,12 @@ golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTk
 golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvxsM5YxQ5yQlVC4a0KAMCusXpPoU=
 golang.org/x/lint v0.0.0-20190301231843-5614ed5bae6f/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
 golang.org/x/lint v0.0.0-20190313153728-d0100b6bd8b3/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
-golang.org/x/lint v0.0.0-20190409202823-959b441ac422/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
-golang.org/x/lint v0.0.0-20190909230951-414d861bb4ac/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
 golang.org/x/lint v0.0.0-20190930215403-16217165b5de/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
-golang.org/x/lint v0.0.0-20191125180803-fdd1cda4f05f/go.mod h1:5qLYkcX4OjUUV8bRuDixDT3tpyyb+LUpUlRWLxfhWrs=
-golang.org/x/lint v0.0.0-20200130185559-910be7a94367/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
-golang.org/x/lint v0.0.0-20200302205851-738671d3881b/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
-golang.org/x/lint v0.0.0-20201208152925-83fdc39ff7b5/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
-golang.org/x/mobile v0.0.0-20190312151609-d3739f865fa6/go.mod h1:z+o9i4GpDbdi3rU15maQ/Ox0txvL9dWGYEHz965HBQE=
-golang.org/x/mobile v0.0.0-20190719004257-d2bd2a29d028/go.mod h1:E/iHnbuqvinMTCcRqshq8CkpyQDoeVncDDYHnLhea+o=
 golang.org/x/mod v0.0.0-20190513183733-4bf6d317e70e/go.mod h1:mXi4GBBbnImb6dmsKGUJ2LatrhH/nqhxcFungHvyanc=
-golang.org/x/mod v0.1.0/go.mod h1:0QHyrYULN0/3qlju5TqG8bIK38QM8yzMo5ekMj3DlcY=
 golang.org/x/mod v0.1.1-0.20191105210325-c90efee705ee/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg=
-golang.org/x/mod v0.1.1-0.20191107180719-034126e5016b/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg=
-golang.org/x/mod v0.2.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.4.0 h1:8pl+sMODzuvGJkmj2W4kZihvVb5mKm8pB/X44PIQHv8=
 golang.org/x/mod v0.4.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
-golang.org/x/net v0.0.0-20170114055629-f2499483f923/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
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@@ -513,57 +347,27 @@ golang.org/x/net v0.0.0-20190125091013-d26f9f9a57f3/go.mod h1:mL1N/T3taQHkDXs73r
 golang.org/x/net v0.0.0-20190213061140-3a22650c66bd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
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@@ -572,125 +376,55 @@ golang.org/x/sys v0.0.0-20181026203630-95b1ffbd15a5/go.mod h1:STP8DvDyc/dI5b8T5h
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-google.golang.org/genproto v0.0.0-20200122232147-0452cf42e150/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
-google.golang.org/genproto v0.0.0-20200204135345-fa8e72b47b90/go.mod h1:GmwEX6Z4W5gMy59cAlVYjN9JhxgbQH6Gn+gFDQe2lzA=
-google.golang.org/genproto v0.0.0-20200212174721-66ed5ce911ce/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
-google.golang.org/genproto v0.0.0-20200224152610-e50cd9704f63/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
-google.golang.org/genproto v0.0.0-20200228133532-8c2c7df3a383/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
-google.golang.org/genproto v0.0.0-20200305110556-506484158171/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
-google.golang.org/genproto v0.0.0-20200312145019-da6875a35672/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
-google.golang.org/genproto v0.0.0-20200331122359-1ee6d9798940/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
-google.golang.org/genproto v0.0.0-20200430143042-b979b6f78d84/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
-google.golang.org/genproto v0.0.0-20200511104702-f5ebc3bea380/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
-google.golang.org/genproto v0.0.0-20200515170657-fc4c6c6a6587/go.mod h1:YsZOwe1myG/8QRHRsmBRE1LrgQY60beZKjly0O1fX9U=
 google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013/go.mod h1:NbSheEEYHJ7i3ixzK3sjbqSGDJWnxyFXZblF3eUsNvo=
-google.golang.org/genproto v0.0.0-20200618031413-b414f8b61790/go.mod h1:jDfRM7FcilCzHH/e9qn6dsT145K34l5v+OpcnNgKAAA=
-google.golang.org/genproto v0.0.0-20200729003335-053ba62fc06f/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
-google.golang.org/genproto v0.0.0-20200804131852-c06518451d9c/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
-google.golang.org/genproto v0.0.0-20200825200019-8632dd797987/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
-google.golang.org/genproto v0.0.0-20200904004341-0bd0a958aa1d/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
-google.golang.org/genproto v0.0.0-20201109203340-2640f1f9cdfb/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
-google.golang.org/genproto v0.0.0-20201201144952-b05cb90ed32e/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
-google.golang.org/genproto v0.0.0-20201210142538-e3217bee35cc/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
 google.golang.org/grpc v1.17.0/go.mod h1:6QZJwpn2B+Zp71q/5VxRsJ6NXXVCE5NRUHRo+f3cWCs=
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
 google.golang.org/grpc v1.20.0/go.mod h1:chYK+tFQF0nDUGJgXMSgLCQk3phJEuONr2DCgLDdAQM=
 google.golang.org/grpc v1.20.1/go.mod h1:10oTOabMzJvdu6/UiuZezV6QK5dSlG84ov/aaiqXj38=
 google.golang.org/grpc v1.21.0/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM=
-google.golang.org/grpc v1.21.1/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM=
 google.golang.org/grpc v1.22.1/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
 google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
 google.golang.org/grpc v1.23.1/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
-google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQciAY=
 google.golang.org/grpc v1.26.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
 google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
-google.golang.org/grpc v1.27.1/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
-google.golang.org/grpc v1.28.0/go.mod h1:rpkK4SK4GF4Ach/+MFLZUBavHOvF2JJB5uozKKal+60=
-google.golang.org/grpc v1.29.1/go.mod h1:itym6AZVZYACWQqET3MqgPpjcuV5QH3BxFS3IjizoKk=
-google.golang.org/grpc v1.30.0/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
-google.golang.org/grpc v1.31.0/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
-google.golang.org/grpc v1.31.1/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
-google.golang.org/grpc v1.33.2/go.mod h1:JMHMWHQWaTccqQQlmk3MJZS+GWXOdAesneDmEnv2fbc=
-google.golang.org/grpc v1.34.0/go.mod h1:WotjhfgOW/POjDeRt8vscBtXq+2VjORFy659qA51WJ8=
 google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
 google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
 google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
@@ -788,7 +460,6 @@ google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzi
 google.golang.org/protobuf v1.22.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
 google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
 google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
-google.golang.org/protobuf v1.24.0/go.mod h1:r/3tXBNzIEhYS9I1OUVjXDlt8tc493IdKGjtUeSXeh4=
 google.golang.org/protobuf v1.25.0 h1:Ejskq+SyPohKW+1uil0JJMtmHCgJPJ/qWTxr8qp+R4c=
 google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlbajtzgsN7c=
 gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
@@ -800,8 +471,6 @@ gopkg.in/cheggaaa/pb.v1 v1.0.25/go.mod h1:V/YB90LKu/1FcN3WVnfiiE5oMCibMjukxqG/qS
 gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
 gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
 gopkg.in/gcfg.v1 v1.2.3/go.mod h1:yesOnuUOFQAhST5vPY4nbZsb/huCgGGXlipJsBn0b3o=
-gopkg.in/inf.v0 v0.9.1 h1:73M5CoZyi3ZLMOyDlQh031Cx6N9NDJ2Vvfl76EDAgDc=
-gopkg.in/inf.v0 v0.9.1/go.mod h1:cWUDdTG/fYaXco+Dcufb5Vnc6Gp2YChqWtbxRZE0mXw=
 gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo=
 gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
 gopkg.in/warnings.v0 v0.1.2/go.mod h1:jksf8JmL6Qr/oQM2OXTHunEvvTAsrWBLb6OOjuVWRNI=
@@ -810,32 +479,13 @@ gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.5/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
 gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
 honnef.co/go/tools v0.0.0-20180728063816-88497007e858/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
-honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
-honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
-honnef.co/go/tools v0.0.1-2020.1.3/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
-honnef.co/go/tools v0.0.1-2020.1.4/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
-k8s.io/api v0.18.14 h1:tKRYsRhfL7Hfs60rFm8sNdhWydDuk7vnBqnt8uy+i/Q=
-k8s.io/api v0.18.14/go.mod h1:rMEP0KbqUY9Bm/nbQBXtUizL9r7XvD7IV1XhnGSHsy4=
-k8s.io/apimachinery v0.18.14 h1:wH0doJJajeG0qIuQD1/yo5JrBDAsZ3olqlNXZBiauVw=
-k8s.io/apimachinery v0.18.14/go.mod h1:PF5taHbXgTEJLU+xMypMmYTXTWPJ5LaW8bfsisxnEXk=
-k8s.io/client-go v0.18.14 h1:9dWb5D0dBsuc2umLPuWVE07rPDmBNsggW3vvctDyJII=
-k8s.io/client-go v0.18.14/go.mod h1:fpZHBter1MB6bs+GISolsmIRsGlBEJyd0mllE0H9f2Y=
-k8s.io/gengo v0.0.0-20190128074634-0689ccc1d7d6/go.mod h1:ezvh/TsK7cY6rbqRK0oQQ8IAqLxYwwyPxAX1Pzy0ii0=
-k8s.io/klog v0.0.0-20181102134211-b9b56d5dfc92/go.mod h1:Gq+BEi5rUBO/HRz0bTSXDUcqjScdoY3a9IHpCEIOOfk=
-k8s.io/klog v0.3.0/go.mod h1:Gq+BEi5rUBO/HRz0bTSXDUcqjScdoY3a9IHpCEIOOfk=
-k8s.io/klog v1.0.0 h1:Pt+yjF5aB1xDSVbau4VsWe+dQNzA0qv1LlXdC2dF6Q8=
-k8s.io/klog v1.0.0/go.mod h1:4Bi6QPql/J/LkTDqv7R/cd3hPo4k2DG6Ptcz060Ez5I=
-k8s.io/kube-openapi v0.0.0-20200410145947-61e04a5be9a6/go.mod h1:GRQhZsXIAJ1xR0C9bd8UpWHZ5plfAS9fzPjJuQ6JL3E=
-k8s.io/utils v0.0.0-20200324210504-a9aa75ae1b89 h1:d4vVOjXm687F1iLSP2q3lyPPuyvTUt3aVoBpi2DqRsU=
-k8s.io/utils v0.0.0-20200324210504-a9aa75ae1b89/go.mod h1:sZAwmy6armz5eXlNoLmJcl4F1QuKu7sr+mFQ0byX7Ew=
 lukechampine.com/uint128 v1.1.1 h1:pnxCASz787iMf+02ssImqk6OLt+Z5QHMoZyUXR4z6JU=
 lukechampine.com/uint128 v1.1.1/go.mod h1:c4eWIwlEGaxC/+H1VguhU4PHXNWDCDMUlWdIWl2j1gk=
 modernc.org/cc/v3 v3.33.6 h1:r63dgSzVzRxUpAJFPQWHy1QeZeY1ydNENUDaBx1GqYc=
@@ -866,13 +516,5 @@ modernc.org/token v1.0.0 h1:a0jaWiNMDhDUtqOj09wvjWWAqd3q7WpBulmL9H2egsk=
 modernc.org/token v1.0.0/go.mod h1:UGzOrNV1mAFSEB63lOFHIpNRUVMvYTc6yu1SMY/XTDM=
 modernc.org/z v1.0.1 h1:WyIDpEpAIx4Hel6q/Pcgj/VhaQV5XPJ2I6ryIYbjnpc=
 modernc.org/z v1.0.1/go.mod h1:8/SRk5C/HgiQWCgXdfpb+1RvhORdkz5sw72d3jjtyqA=
-rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
-rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=
-rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=
-sigs.k8s.io/structured-merge-diff/v3 v3.0.0-20200116222232-67a7b8c61874/go.mod h1:PlARxl6Hbt/+BC80dRLi1qAmnMqwqDg62YvvVkZjemw=
-sigs.k8s.io/structured-merge-diff/v3 v3.0.0 h1:dOmIZBMfhcHS09XZkMyUgkq5trg3/jRyJYFZUiaOp8E=
-sigs.k8s.io/structured-merge-diff/v3 v3.0.0/go.mod h1:PlARxl6Hbt/+BC80dRLi1qAmnMqwqDg62YvvVkZjemw=
 sigs.k8s.io/yaml v1.1.0/go.mod h1:UJmg0vDUVViEyp3mgSv9WPwZCDxu4rQW1olrI1uml+o=
-sigs.k8s.io/yaml v1.2.0 h1:kr/MCeFWJWTwyaHoR9c8EjH9OumOmoF9YGiZd7lFm/Q=
-sigs.k8s.io/yaml v1.2.0/go.mod h1:yfXDCHCao9+ENCvLSE62v9VSji2MKu5jeNfTrofGhJc=
 sourcegraph.com/sourcegraph/appdash v0.0.0-20190731080439-ebfcffb1b5c0/go.mod h1:hI742Nqp5OhwiqlzhgfbWU4mW4yO10fP+LoT9WOswdU=

k8s/client.go

@@ -1,86 +0,0 @@
-package k8s
-
-import (
-	"context"
-	"flag"
-	"fmt"
-	"os"
-	"path/filepath"
-
-	"github.com/TwinProduction/gatus/k8stest"
-	"k8s.io/api/core/v1"
-	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
-	"k8s.io/client-go/kubernetes"
-	_ "k8s.io/client-go/plugin/pkg/client/auth/gcp"
-	"k8s.io/client-go/rest"
-	"k8s.io/client-go/tools/clientcmd"
-)
-
-// KubernetesClientAPI is a minimal interface for interacting with Kubernetes
-// Created mostly to make mocking the Kubernetes client easier
-type KubernetesClientAPI interface {
-	GetServices(namespace string) ([]v1.Service, error)
-}
-
-// KubernetesClient is a working implementation of KubernetesClientAPI
-type KubernetesClient struct {
-	client *kubernetes.Clientset
-}
-
-// GetServices returns a list of services for a given namespace
-func (k *KubernetesClient) GetServices(namespace string) ([]v1.Service, error) {
-	services, err := k.client.CoreV1().Services(namespace).List(context.TODO(), metav1.ListOptions{})
-	if err != nil {
-		return nil, err
-	}
-	return services.Items, nil
-}
-
-// NewKubernetesClient creates a KubernetesClient
-func NewKubernetesClient(client *kubernetes.Clientset) *KubernetesClient {
-	return &KubernetesClient{
-		client: client,
-	}
-}
-
-// NewClient creates a Kubernetes client for the given ClusterMode
-func NewClient(clusterMode ClusterMode) (KubernetesClientAPI, error) {
-	var kubeConfig *rest.Config
-	var err error
-	switch clusterMode {
-	case ClusterModeIn:
-		kubeConfig, err = rest.InClusterConfig()
-	case ClusterModeOut:
-		kubeConfig, err = getOutClusterConfig()
-	case ClusterModeMock:
-		return k8stest.GetMockedKubernetesClient(), nil
-	default:
-		return nil, fmt.Errorf("invalid cluster mode, try '%s' or '%s'", ClusterModeIn, ClusterModeOut)
-	}
-	if err != nil {
-		return nil, fmt.Errorf("unable to get cluster config for mode '%s': %s", clusterMode, err.Error())
-	}
-	client, err := kubernetes.NewForConfig(kubeConfig)
-	if err != nil {
-		return nil, err
-	}
-	return NewKubernetesClient(client), nil
-}
-
-func homeDir() string {
-	if h := os.Getenv("HOME"); h != "" {
-		return h
-	}
-	return os.Getenv("USERPROFILE") // windows
-}
-
-func getOutClusterConfig() (*rest.Config, error) {
-	var kubeConfig *string
-	if home := homeDir(); home != "" {
-		kubeConfig = flag.String("kubeconfig", filepath.Join(home, ".kube", "config"), "(optional) absolute path to the kubeconfig file")
-	} else {
-		kubeConfig = flag.String("kubeconfig", "", "absolute path to the kubeconfig file")
-	}
-	flag.Parse()
-	return clientcmd.BuildConfigFromFlags("", *kubeConfig)
-}

k8s/config.go

@@ -1,45 +0,0 @@
-package k8s
-
-import "github.com/TwinProduction/gatus/core"
-
-// Config for Kubernetes auto-discovery
-type Config struct {
-	// AutoDiscover to discover services to monitor
-	AutoDiscover bool `yaml:"auto-discover"`
-
-	// ClusterMode is the mode to use to authenticate with Kubernetes
-	ClusterMode ClusterMode `yaml:"cluster-mode"`
-
-	// ServiceTemplate is the template for auto discovered services
-	ServiceTemplate *core.Service `yaml:"service-template"`
-
-	// ExcludedServiceSuffixes is a list of service suffixes that should be ignored
-	ExcludedServiceSuffixes []string `yaml:"excluded-service-suffixes"`
-
-	// Namespaces is a list of configurations for the namespaces from which services will be discovered
-	Namespaces []*NamespaceConfig `yaml:"namespaces"`
-}
-
-// NamespaceConfig level config
-type NamespaceConfig struct {
-	// Name of the namespace
-	Name string `yaml:"name"`
-
-	// ExcludedServices is a list of services to exclude from the auto discovery
-	ExcludedServices []string `yaml:"excluded-services"`
-
-	// HostnameSuffix is a suffix to append to each service name before calling TargetPath
-	HostnameSuffix string `yaml:"hostname-suffix"`
-
-	// TargetPath Path to append after the HostnameSuffix
-	TargetPath string `yaml:"target-path"`
-}
-
-// ClusterMode is the mode to use to authenticate to Kubernetes
-type ClusterMode string
-
-const (
-	ClusterModeIn   ClusterMode = "in"
-	ClusterModeOut  ClusterMode = "out"
-	ClusterModeMock ClusterMode = "mock"
-)

k8s/discovery.go

@@ -1,54 +0,0 @@
-package k8s
-
-import (
-	"fmt"
-	"strings"
-
-	"github.com/TwinProduction/gatus/core"
-)
-
-// DiscoverServices return discovered services
-func DiscoverServices(kubernetesConfig *Config) ([]*core.Service, error) {
-	client, err := NewClient(kubernetesConfig.ClusterMode)
-	if err != nil {
-		return nil, err
-	}
-	services := make([]*core.Service, 0)
-	for _, ns := range kubernetesConfig.Namespaces {
-		kubernetesServices, err := GetKubernetesServices(client, ns.Name)
-		if err != nil {
-			return nil, err
-		}
-	skipExcluded:
-		for _, service := range kubernetesServices {
-			for _, excludedServiceSuffix := range kubernetesConfig.ExcludedServiceSuffixes {
-				if strings.HasSuffix(service.Name, excludedServiceSuffix) {
-					continue skipExcluded
-				}
-			}
-			for _, excludedService := range ns.ExcludedServices {
-				if service.Name == excludedService {
-					continue skipExcluded
-				}
-			}
-			// XXX: try to extract health from liveness probe endpoint?
-			var url, port string
-			if len(service.Spec.Ports) > 0 && !strings.Contains(ns.HostnameSuffix, ":") && strings.HasSuffix(ns.HostnameSuffix, ".svc.cluster.local") {
-				port = fmt.Sprintf(":%d", service.Spec.Ports[0].Port)
-			}
-			// If the path starts with a / or starts with a port
-			if strings.HasPrefix(ns.TargetPath, "/") {
-				url = fmt.Sprintf("http://%s%s%s%s", service.Name, ns.HostnameSuffix, port, ns.TargetPath)
-			} else {
-				url = fmt.Sprintf("http://%s%s%s/%s", service.Name, ns.HostnameSuffix, port, ns.TargetPath)
-			}
-			services = append(services, &core.Service{
-				Name:       service.Name,
-				URL:        url,
-				Interval:   kubernetesConfig.ServiceTemplate.Interval,
-				Conditions: kubernetesConfig.ServiceTemplate.Conditions,
-			})
-		}
-	}
-	return services, nil
-}

k8s/k8s.go

@@ -1,10 +0,0 @@
-package k8s
-
-import (
-	"k8s.io/api/core/v1"
-)
-
-// GetKubernetesServices return a list of Services from the given namespace
-func GetKubernetesServices(client KubernetesClientAPI, namespace string) ([]v1.Service, error) {
-	return client.GetServices(namespace)
-}

k8stest/k8stest.go

@@ -1,55 +0,0 @@
-package k8stest
-
-import (
-	"k8s.io/api/core/v1"
-	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
-)
-
-var (
-	mockedKubernetesClient *MockKubernetesClient
-)
-
-// MockKubernetesClient is a mocked implementation of k8s.KubernetesClientApi
-type MockKubernetesClient struct {
-	Services []v1.Service
-}
-
-// GetServices returns a list of services in a given namespace
-func (mock *MockKubernetesClient) GetServices(namespace string) ([]v1.Service, error) {
-	var services []v1.Service
-	for _, service := range mock.Services {
-		if service.Namespace == namespace {
-			services = append(services, service)
-		}
-	}
-	return services, nil
-}
-
-// GetMockedKubernetesClient returns a mocked implementation of k8s.KubernetesClientApi
-func GetMockedKubernetesClient() *MockKubernetesClient {
-	if mockedKubernetesClient != nil {
-		return mockedKubernetesClient
-	}
-	InitializeMockedKubernetesClient(nil)
-	return mockedKubernetesClient
-}
-
-// InitializeMockedKubernetesClient initializes a MockKubernetesClient with a given list of services
-func InitializeMockedKubernetesClient(services []v1.Service) {
-	mockedKubernetesClient = &MockKubernetesClient{
-		Services: services,
-	}
-}
-
-// CreateTestServices creates a mocked service for testing purposes
-func CreateTestServices(name, namespace string, port int32) v1.Service {
-	return v1.Service{
-		ObjectMeta: metav1.ObjectMeta{
-			Name:      name,
-			Namespace: namespace,
-		},
-		Spec: v1.ServiceSpec{
-			Ports: []v1.ServicePort{{Name: "http", Protocol: v1.ProtocolTCP, Port: port}},
-		},
-	}
-}

main.go

@@ -35,7 +35,7 @@ func main() {
 }
 
 func start(cfg *config.Config) {
-	go controller.Handle(cfg.Security, cfg.Web, cfg.Metrics)
+	go controller.Handle(cfg.Security, cfg.Web, cfg.UI, cfg.Metrics)
 	watchdog.Monitor(cfg)
 	go listenToConfigurationFileChanges(cfg)
 }

storage/config.go

@@ -4,6 +4,8 @@ package storage
 type Config struct {
 	// File is the path of the file to use for persistence
 	// If blank, persistence is disabled
+	//
+	// XXX: Rename to path for v4.0.0
 	File string `yaml:"file"`
 
 	// Type of store

storage/storage.go

@@ -7,7 +7,7 @@ import (
 
 	"github.com/TwinProduction/gatus/storage/store"
 	"github.com/TwinProduction/gatus/storage/store/memory"
-	"github.com/TwinProduction/gatus/storage/store/sqlite"
+	"github.com/TwinProduction/gatus/storage/store/sql"
 )
 
 var (
@@ -45,15 +45,15 @@ func Initialize(cfg *Config) error {
 	if cfg == nil {
 		cfg = &Config{}
 	}
-	if len(cfg.File) == 0 {
-		log.Printf("[storage][Initialize] Creating storage provider with type=%s", cfg.Type)
-	} else {
+	if len(cfg.File) == 0 && cfg.Type != TypePostgres {
 		log.Printf("[storage][Initialize] Creating storage provider with type=%s and file=%s", cfg.Type, cfg.File)
+	} else {
+		log.Printf("[storage][Initialize] Creating storage provider with type=%s", cfg.Type)
 	}
 	ctx, cancelFunc = context.WithCancel(context.Background())
 	switch cfg.Type {
-	case TypeSQLite:
-		provider, err = sqlite.NewStore(string(cfg.Type), cfg.File)
+	case TypeSQLite, TypePostgres:
+		provider, err = sql.NewStore(string(cfg.Type), cfg.File)
 		if err != nil {
 			return err
 		}

storage/storage_test.go

@@ -4,7 +4,7 @@ import (
 	"testing"
 	"time"
 
-	"github.com/TwinProduction/gatus/storage/store/sqlite"
+	"github.com/TwinProduction/gatus/storage/store/sql"
 )
 
 func TestGet(t *testing.T) {
@@ -44,7 +44,7 @@ func TestInitialize(t *testing.T) {
 		{
 			Name:        "sqlite-no-file",
 			Cfg:         &Config{Type: TypeSQLite},
-			ExpectedErr: sqlite.ErrFilePathNotSpecified,
+			ExpectedErr: sql.ErrFilePathNotSpecified,
 		},
 		{
 			Name:        "sqlite-with-file",

storage/store/memory/memory.go

@@ -2,6 +2,7 @@ package memory
 
 import (
 	"encoding/gob"
+	"sort"
 	"sync"
 	"time"
 
@@ -47,27 +48,30 @@ func NewStore(file string) (*Store, error) {
 
 // GetAllServiceStatuses returns all monitored core.ServiceStatus
 // with a subset of core.Result defined by the page and pageSize parameters
-func (s *Store) GetAllServiceStatuses(params *paging.ServiceStatusParams) map[string]*core.ServiceStatus {
+func (s *Store) GetAllServiceStatuses(params *paging.ServiceStatusParams) ([]*core.ServiceStatus, error) {
 	serviceStatuses := s.cache.GetAll()
-	pagedServiceStatuses := make(map[string]*core.ServiceStatus, len(serviceStatuses))
-	for k, v := range serviceStatuses {
-		pagedServiceStatuses[k] = ShallowCopyServiceStatus(v.(*core.ServiceStatus), params)
+	pagedServiceStatuses := make([]*core.ServiceStatus, 0, len(serviceStatuses))
+	for _, v := range serviceStatuses {
+		pagedServiceStatuses = append(pagedServiceStatuses, ShallowCopyServiceStatus(v.(*core.ServiceStatus), params))
 	}
-	return pagedServiceStatuses
+	sort.Slice(pagedServiceStatuses, func(i, j int) bool {
+		return pagedServiceStatuses[i].Key < pagedServiceStatuses[j].Key
+	})
+	return pagedServiceStatuses, nil
 }
 
 // GetServiceStatus returns the service status for a given service name in the given group
-func (s *Store) GetServiceStatus(groupName, serviceName string, params *paging.ServiceStatusParams) *core.ServiceStatus {
+func (s *Store) GetServiceStatus(groupName, serviceName string, params *paging.ServiceStatusParams) (*core.ServiceStatus, error) {
 	return s.GetServiceStatusByKey(util.ConvertGroupAndServiceToKey(groupName, serviceName), params)
 }
 
 // GetServiceStatusByKey returns the service status for a given key
-func (s *Store) GetServiceStatusByKey(key string, params *paging.ServiceStatusParams) *core.ServiceStatus {
+func (s *Store) GetServiceStatusByKey(key string, params *paging.ServiceStatusParams) (*core.ServiceStatus, error) {
 	serviceStatus := s.cache.GetValue(key)
 	if serviceStatus == nil {
-		return nil
+		return nil, common.ErrServiceNotFound
 	}
-	return ShallowCopyServiceStatus(serviceStatus.(*core.ServiceStatus), params)
+	return ShallowCopyServiceStatus(serviceStatus.(*core.ServiceStatus), params), nil
 }
 
 // GetUptimeByKey returns the uptime percentage during a time range
@@ -152,7 +156,7 @@ func (s *Store) GetHourlyAverageResponseTimeByKey(key string, from, to time.Time
 }
 
 // Insert adds the observed result for the specified service into the store
-func (s *Store) Insert(service *core.Service, result *core.Result) {
+func (s *Store) Insert(service *core.Service, result *core.Result) error {
 	key := service.Key()
 	s.Lock()
 	serviceStatus, exists := s.cache.Get(key)
@@ -166,6 +170,7 @@ func (s *Store) Insert(service *core.Service, result *core.Result) {
 	AddResult(serviceStatus.(*core.ServiceStatus), result)
 	s.cache.Set(key, serviceStatus)
 	s.Unlock()
+	return nil
 }
 
 // DeleteAllServiceStatusesNotInKeys removes all ServiceStatus that are not within the keys provided

storage/store/memory/memory_test.go

@@ -24,7 +24,6 @@ var (
 		Interval:                30 * time.Second,
 		Conditions:              []*core.Condition{&firstCondition, &secondCondition, &thirdCondition},
 		Alerts:                  nil,
-		Insecure:                false,
 		NumberOfFailuresInARow:  0,
 		NumberOfSuccessesInARow: 0,
 	}
@@ -86,12 +85,14 @@ func TestStore_SanityCheck(t *testing.T) {
 	store, _ := NewStore("")
 	defer store.Close()
 	store.Insert(&testService, &testSuccessfulResult)
-	if numberOfServiceStatuses := len(store.GetAllServiceStatuses(paging.NewServiceStatusParams())); numberOfServiceStatuses != 1 {
+	serviceStatuses, _ := store.GetAllServiceStatuses(paging.NewServiceStatusParams())
+	if numberOfServiceStatuses := len(serviceStatuses); numberOfServiceStatuses != 1 {
 		t.Fatalf("expected 1 ServiceStatus, got %d", numberOfServiceStatuses)
 	}
 	store.Insert(&testService, &testUnsuccessfulResult)
 	// Both results inserted are for the same service, therefore, the count shouldn't have increased
-	if numberOfServiceStatuses := len(store.GetAllServiceStatuses(paging.NewServiceStatusParams())); numberOfServiceStatuses != 1 {
+	serviceStatuses, _ = store.GetAllServiceStatuses(paging.NewServiceStatusParams())
+	if numberOfServiceStatuses := len(serviceStatuses); numberOfServiceStatuses != 1 {
 		t.Fatalf("expected 1 ServiceStatus, got %d", numberOfServiceStatuses)
 	}
 	if hourlyAverageResponseTime, err := store.GetHourlyAverageResponseTimeByKey(testService.Key(), time.Now().Add(-24*time.Hour), time.Now()); err != nil {
@@ -105,7 +106,7 @@ func TestStore_SanityCheck(t *testing.T) {
 	if averageResponseTime, _ := store.GetAverageResponseTimeByKey(testService.Key(), time.Now().Add(-24*time.Hour), time.Now()); averageResponseTime != 450 {
 		t.Errorf("expected average response time of last 24h to be 450, got %d", averageResponseTime)
 	}
-	ss := store.GetServiceStatus(testService.Group, testService.Name, paging.NewServiceStatusParams().WithResults(1, 20).WithEvents(1, 20))
+	ss, _ := store.GetServiceStatus(testService.Group, testService.Name, paging.NewServiceStatusParams().WithResults(1, 20).WithEvents(1, 20))
 	if ss == nil {
 		t.Fatalf("Store should've had key '%s', but didn't", testService.Key())
 	}

storage/store/memory/uptime.go

@@ -1,7 +1,6 @@
 package memory
 
 import (
-	"log"
 	"time"
 
 	"github.com/TwinProduction/gatus/core"
@@ -15,10 +14,6 @@ const (
 // processUptimeAfterResult processes the result by extracting the relevant from the result and recalculating the uptime
 // if necessary
 func processUptimeAfterResult(uptime *core.Uptime, result *core.Result) {
-	// XXX: Remove this on v3.0.0
-	if len(uptime.SuccessfulExecutionsPerHour) != 0 || len(uptime.TotalExecutionsPerHour) != 0 {
-		migrateUptimeToHourlyStatistics(uptime)
-	}
 	if uptime.HourlyStatistics == nil {
 		uptime.HourlyStatistics = make(map[int64]*core.HourlyUptimeStatistics)
 	}
@@ -46,24 +41,3 @@ func processUptimeAfterResult(uptime *core.Uptime, result *core.Result) {
 		}
 	}
 }
-
-// XXX: Remove this on v3.0.0
-// Deprecated
-func migrateUptimeToHourlyStatistics(uptime *core.Uptime) {
-	log.Println("[migrateUptimeToHourlyStatistics] Got", len(uptime.SuccessfulExecutionsPerHour), "entries for successful executions and", len(uptime.TotalExecutionsPerHour), "entries for total executions")
-	uptime.HourlyStatistics = make(map[int64]*core.HourlyUptimeStatistics)
-	for hourlyUnixTimestamp, totalExecutions := range uptime.TotalExecutionsPerHour {
-		if totalExecutions == 0 {
-			log.Println("[migrateUptimeToHourlyStatistics] Skipping entry at", hourlyUnixTimestamp, "because total number of executions is 0")
-			continue
-		}
-		uptime.HourlyStatistics[hourlyUnixTimestamp] = &core.HourlyUptimeStatistics{
-			TotalExecutions:             totalExecutions,
-			SuccessfulExecutions:        uptime.SuccessfulExecutionsPerHour[hourlyUnixTimestamp],
-			TotalExecutionsResponseTime: 0,
-		}
-	}
-	log.Println("[migrateUptimeToHourlyStatistics] Migrated", len(uptime.HourlyStatistics), "entries")
-	uptime.SuccessfulExecutionsPerHour = nil
-	uptime.TotalExecutionsPerHour = nil
-}

storage/store/sql/specific_postgres.go

@@ -0,0 +1,69 @@
+package sql
+
+func (s *Store) createPostgresSchema() error {
+	_, err := s.db.Exec(`
+		CREATE TABLE IF NOT EXISTS service (
+			service_id    BIGSERIAL PRIMARY KEY,
+			service_key   TEXT UNIQUE,
+			service_name  TEXT,
+			service_group TEXT,
+			UNIQUE(service_name, service_group)
+		)
+	`)
+	if err != nil {
+		return err
+	}
+	_, err = s.db.Exec(`
+		CREATE TABLE IF NOT EXISTS service_event (
+			service_event_id   BIGSERIAL PRIMARY KEY,
+			service_id         INTEGER REFERENCES service(service_id) ON DELETE CASCADE,
+			event_type         TEXT,
+			event_timestamp    TIMESTAMP
+		)
+	`)
+	if err != nil {
+		return err
+	}
+	_, err = s.db.Exec(`
+		CREATE TABLE IF NOT EXISTS service_result (
+			service_result_id      BIGSERIAL PRIMARY KEY,
+			service_id             BIGINT REFERENCES service(service_id) ON DELETE CASCADE,
+			success                BOOLEAN,
+			errors                 TEXT,
+			connected              BOOLEAN,
+			status                 BIGINT,
+			dns_rcode              TEXT,
+			certificate_expiration BIGINT,
+			hostname               TEXT,
+			ip                     TEXT,
+			duration               BIGINT,
+			timestamp              TIMESTAMP
+		)
+	`)
+	if err != nil {
+		return err
+	}
+	_, err = s.db.Exec(`
+		CREATE TABLE IF NOT EXISTS service_result_condition (
+			service_result_condition_id  BIGSERIAL PRIMARY KEY,
+			service_result_id            BIGINT REFERENCES service_result(service_result_id) ON DELETE CASCADE,
+			condition                    TEXT,
+			success                      BOOLEAN
+		)
+	`)
+	if err != nil {
+		return err
+	}
+	_, err = s.db.Exec(`
+		CREATE TABLE IF NOT EXISTS service_uptime (
+			service_uptime_id     BIGSERIAL PRIMARY KEY,
+			service_id            BIGINT REFERENCES service(service_id) ON DELETE CASCADE,
+			hour_unix_timestamp   BIGINT,
+			total_executions      BIGINT,
+			successful_executions BIGINT,
+			total_response_time   BIGINT,
+			UNIQUE(service_id, hour_unix_timestamp)
+		)
+	`)
+	return err
+}

storage/store/sql/specific_sqlite.go

@@ -0,0 +1,69 @@
+package sql
+
+func (s *Store) createSQLiteSchema() error {
+	_, err := s.db.Exec(`
+		CREATE TABLE IF NOT EXISTS service (
+			service_id    INTEGER PRIMARY KEY,
+			service_key   TEXT UNIQUE,
+			service_name  TEXT,
+			service_group TEXT,
+			UNIQUE(service_name, service_group)
+		)
+	`)
+	if err != nil {
+		return err
+	}
+	_, err = s.db.Exec(`
+		CREATE TABLE IF NOT EXISTS service_event (
+			service_event_id   INTEGER PRIMARY KEY,
+			service_id         INTEGER REFERENCES service(service_id) ON DELETE CASCADE,
+			event_type         TEXT,
+			event_timestamp    TIMESTAMP
+		)
+	`)
+	if err != nil {
+		return err
+	}
+	_, err = s.db.Exec(`
+		CREATE TABLE IF NOT EXISTS service_result (
+			service_result_id      INTEGER PRIMARY KEY,
+			service_id             INTEGER REFERENCES service(service_id) ON DELETE CASCADE,
+			success                INTEGER,
+			errors                 TEXT,
+			connected              INTEGER,
+			status                 INTEGER,
+			dns_rcode              TEXT,
+			certificate_expiration INTEGER,
+			hostname               TEXT,
+			ip                     TEXT,
+			duration               INTEGER,
+			timestamp              TIMESTAMP
+		)
+	`)
+	if err != nil {
+		return err
+	}
+	_, err = s.db.Exec(`
+		CREATE TABLE IF NOT EXISTS service_result_condition (
+			service_result_condition_id  INTEGER PRIMARY KEY,
+			service_result_id            INTEGER REFERENCES service_result(service_result_id) ON DELETE CASCADE,
+			condition                    TEXT,
+			success                      INTEGER
+		)
+	`)
+	if err != nil {
+		return err
+	}
+	_, err = s.db.Exec(`
+		CREATE TABLE IF NOT EXISTS service_uptime (
+			service_uptime_id     INTEGER PRIMARY KEY,
+			service_id            INTEGER REFERENCES service(service_id) ON DELETE CASCADE,
+			hour_unix_timestamp   INTEGER,
+			total_executions      INTEGER,
+			successful_executions INTEGER,
+			total_response_time   INTEGER,
+			UNIQUE(service_id, hour_unix_timestamp)
+		)
+	`)
+	return err
+}

storage/store/sql/sql.go

@@ -1,4 +1,4 @@
-package sqlite
+package sql
 
 import (
 	"database/sql"
@@ -12,6 +12,7 @@ import (
 	"github.com/TwinProduction/gatus/storage/store/common"
 	"github.com/TwinProduction/gatus/storage/store/common/paging"
 	"github.com/TwinProduction/gatus/util"
+	_ "github.com/lib/pq"
 	_ "modernc.org/sqlite"
 )
 
@@ -62,6 +63,9 @@ func NewStore(driver, path string) (*Store, error) {
 	if store.db, err = sql.Open(driver, path); err != nil {
 		return nil, err
 	}
+	if err := store.db.Ping(); err != nil {
+		return nil, err
+	}
 	if driver == "sqlite" {
 		_, _ = store.db.Exec("PRAGMA foreign_keys=ON")
 		_, _ = store.db.Exec("PRAGMA journal_mode=WAL")
@@ -79,119 +83,58 @@ func NewStore(driver, path string) (*Store, error) {
 
 // createSchema creates the schema required to perform all database operations.
 func (s *Store) createSchema() error {
-	_, err := s.db.Exec(`
-		CREATE TABLE IF NOT EXISTS service (
-			service_id    INTEGER PRIMARY KEY,
-			service_key   TEXT UNIQUE,
-			service_name  TEXT,
-			service_group TEXT,
-			UNIQUE(service_name, service_group)
-		)
-	`)
-	if err != nil {
-		return err
+	if s.driver == "sqlite" {
+		return s.createSQLiteSchema()
 	}
-	_, err = s.db.Exec(`
-		CREATE TABLE IF NOT EXISTS service_event (
-			service_event_id   INTEGER PRIMARY KEY,
-			service_id         INTEGER REFERENCES service(service_id) ON DELETE CASCADE,
-			event_type         TEXT,
-			event_timestamp    TIMESTAMP
-		)
-	`)
-	if err != nil {
-		return err
-	}
-	_, err = s.db.Exec(`
-		CREATE TABLE IF NOT EXISTS service_result (
-			service_result_id      INTEGER PRIMARY KEY,
-			service_id             INTEGER REFERENCES service(service_id) ON DELETE CASCADE,
-			success                INTEGER,
-			errors                 TEXT,
-			connected              INTEGER,
-			status                 INTEGER,
-			dns_rcode              TEXT,
-			certificate_expiration INTEGER,
-			hostname               TEXT,
-			ip                     TEXT,
-			duration               INTEGER,
-			timestamp              TIMESTAMP
-		)
-	`)
-	if err != nil {
-		return err
-	}
-	_, err = s.db.Exec(`
-		CREATE TABLE IF NOT EXISTS service_result_condition (
-			service_result_condition_id  INTEGER PRIMARY KEY,
-			service_result_id            INTEGER REFERENCES service_result(service_result_id) ON DELETE CASCADE,
-			condition                    TEXT,
-			success                      INTEGER
-		)
-	`)
-	if err != nil {
-		return err
-	}
-	_, err = s.db.Exec(`
-		CREATE TABLE IF NOT EXISTS service_uptime (
-			service_uptime_id     INTEGER PRIMARY KEY,
-			service_id            INTEGER REFERENCES service(service_id) ON DELETE CASCADE,
-			hour_unix_timestamp   INTEGER,
-			total_executions      INTEGER,
-			successful_executions INTEGER,
-			total_response_time   INTEGER,
-			UNIQUE(service_id, hour_unix_timestamp)
-		)
-	`)
-	return err
+	return s.createPostgresSchema()
 }
 
 // GetAllServiceStatuses returns all monitored core.ServiceStatus
 // with a subset of core.Result defined by the page and pageSize parameters
-func (s *Store) GetAllServiceStatuses(params *paging.ServiceStatusParams) map[string]*core.ServiceStatus {
+func (s *Store) GetAllServiceStatuses(params *paging.ServiceStatusParams) ([]*core.ServiceStatus, error) {
 	tx, err := s.db.Begin()
 	if err != nil {
-		return nil
+		return nil, err
 	}
 	keys, err := s.getAllServiceKeys(tx)
 	if err != nil {
 		_ = tx.Rollback()
-		return nil
+		return nil, err
 	}
-	serviceStatuses := make(map[string]*core.ServiceStatus, len(keys))
+	serviceStatuses := make([]*core.ServiceStatus, 0, len(keys))
 	for _, key := range keys {
 		serviceStatus, err := s.getServiceStatusByKey(tx, key, params)
 		if err != nil {
 			continue
 		}
-		serviceStatuses[key] = serviceStatus
+		serviceStatuses = append(serviceStatuses, serviceStatus)
 	}
 	if err = tx.Commit(); err != nil {
 		_ = tx.Rollback()
 	}
-	return serviceStatuses
+	return serviceStatuses, err
 }
 
 // GetServiceStatus returns the service status for a given service name in the given group
-func (s *Store) GetServiceStatus(groupName, serviceName string, params *paging.ServiceStatusParams) *core.ServiceStatus {
+func (s *Store) GetServiceStatus(groupName, serviceName string, params *paging.ServiceStatusParams) (*core.ServiceStatus, error) {
 	return s.GetServiceStatusByKey(util.ConvertGroupAndServiceToKey(groupName, serviceName), params)
 }
 
 // GetServiceStatusByKey returns the service status for a given key
-func (s *Store) GetServiceStatusByKey(key string, params *paging.ServiceStatusParams) *core.ServiceStatus {
+func (s *Store) GetServiceStatusByKey(key string, params *paging.ServiceStatusParams) (*core.ServiceStatus, error) {
 	tx, err := s.db.Begin()
 	if err != nil {
-		return nil
+		return nil, err
 	}
 	serviceStatus, err := s.getServiceStatusByKey(tx, key, params)
 	if err != nil {
 		_ = tx.Rollback()
-		return nil
+		return nil, err
 	}
 	if err = tx.Commit(); err != nil {
 		_ = tx.Rollback()
 	}
-	return serviceStatus
+	return serviceStatus, err
 }
 
 // GetUptimeByKey returns the uptime percentage during a time range
@@ -270,23 +213,24 @@ func (s *Store) GetHourlyAverageResponseTimeByKey(key string, from, to time.Time
 }
 
 // Insert adds the observed result for the specified service into the store
-func (s *Store) Insert(service *core.Service, result *core.Result) {
+func (s *Store) Insert(service *core.Service, result *core.Result) error {
 	tx, err := s.db.Begin()
 	if err != nil {
-		return
+		return err
 	}
-	//start := time.Now()
 	serviceID, err := s.getServiceID(tx, service)
 	if err != nil {
 		if err == common.ErrServiceNotFound {
 			// Service doesn't exist in the database, insert it
 			if serviceID, err = s.insertService(tx, service); err != nil {
 				_ = tx.Rollback()
-				return // failed to insert service
+				log.Printf("[sql][Insert] Failed to create service with group=%s; service=%s: %s", service.Group, service.Name, err.Error())
+				return err
 			}
 		} else {
 			_ = tx.Rollback()
-			return
+			log.Printf("[sql][Insert] Failed to retrieve id of service with group=%s; service=%s: %s", service.Group, service.Name, err.Error())
+			return err
 		}
 	}
 	// First, we need to check if we need to insert a new event.
@@ -300,7 +244,8 @@ func (s *Store) Insert(service *core.Service, result *core.Result) {
 	//	  based on result.Success.
 	numberOfEvents, err := s.getNumberOfEventsByServiceID(tx, serviceID)
 	if err != nil {
-		log.Printf("[sqlite][Insert] Failed to retrieve total number of events for group=%s; service=%s: %s", service.Group, service.Name, err.Error())
+		// Silently fail
+		log.Printf("[sql][Insert] Failed to retrieve total number of events for group=%s; service=%s: %s", service.Group, service.Name, err.Error())
 	}
 	if numberOfEvents == 0 {
 		// There's no events yet, which means we need to add the EventStart and the first healthy/unhealthy event
@@ -310,18 +255,18 @@ func (s *Store) Insert(service *core.Service, result *core.Result) {
 		})
 		if err != nil {
 			// Silently fail
-			log.Printf("[sqlite][Insert] Failed to insert event=%s for group=%s; service=%s: %s", core.EventStart, service.Group, service.Name, err.Error())
+			log.Printf("[sql][Insert] Failed to insert event=%s for group=%s; service=%s: %s", core.EventStart, service.Group, service.Name, err.Error())
 		}
 		event := core.NewEventFromResult(result)
 		if err = s.insertEvent(tx, serviceID, event); err != nil {
 			// Silently fail
-			log.Printf("[sqlite][Insert] Failed to insert event=%s for group=%s; service=%s: %s", event.Type, service.Group, service.Name, err.Error())
+			log.Printf("[sql][Insert] Failed to insert event=%s for group=%s; service=%s: %s", event.Type, service.Group, service.Name, err.Error())
 		}
 	} else {
 		// Get the success value of the previous result
 		var lastResultSuccess bool
 		if lastResultSuccess, err = s.getLastServiceResultSuccessValue(tx, serviceID); err != nil {
-			log.Printf("[sqlite][Insert] Failed to retrieve outcome of previous result for group=%s; service=%s: %s", service.Group, service.Name, err.Error())
+			log.Printf("[sql][Insert] Failed to retrieve outcome of previous result for group=%s; service=%s: %s", service.Group, service.Name, err.Error())
 		} else {
 			// If we managed to retrieve the outcome of the previous result, we'll compare it with the new result.
 			// If the final outcome (success or failure) of the previous and the new result aren't the same, it means
@@ -331,7 +276,7 @@ func (s *Store) Insert(service *core.Service, result *core.Result) {
 				event := core.NewEventFromResult(result)
 				if err = s.insertEvent(tx, serviceID, event); err != nil {
 					// Silently fail
-					log.Printf("[sqlite][Insert] Failed to insert event=%s for group=%s; service=%s: %s", event.Type, service.Group, service.Name, err.Error())
+					log.Printf("[sql][Insert] Failed to insert event=%s for group=%s; service=%s: %s", event.Type, service.Group, service.Name, err.Error())
 				}
 			}
 		}
@@ -340,48 +285,47 @@ func (s *Store) Insert(service *core.Service, result *core.Result) {
 		// (since we're only deleting MaximumNumberOfEvents at a time instead of 1)
 		if numberOfEvents > eventsCleanUpThreshold {
 			if err = s.deleteOldServiceEvents(tx, serviceID); err != nil {
-				log.Printf("[sqlite][Insert] Failed to delete old events for group=%s; service=%s: %s", service.Group, service.Name, err.Error())
+				log.Printf("[sql][Insert] Failed to delete old events for group=%s; service=%s: %s", service.Group, service.Name, err.Error())
 			}
 		}
 	}
 	// Second, we need to insert the result.
 	if err = s.insertResult(tx, serviceID, result); err != nil {
-		log.Printf("[sqlite][Insert] Failed to insert result for group=%s; service=%s: %s", service.Group, service.Name, err.Error())
+		log.Printf("[sql][Insert] Failed to insert result for group=%s; service=%s: %s", service.Group, service.Name, err.Error())
 		_ = tx.Rollback() // If we can't insert the result, we'll rollback now since there's no point continuing
-		return
+		return err
 	}
 	// Clean up old results
 	numberOfResults, err := s.getNumberOfResultsByServiceID(tx, serviceID)
 	if err != nil {
-		log.Printf("[sqlite][Insert] Failed to retrieve total number of results for group=%s; service=%s: %s", service.Group, service.Name, err.Error())
+		log.Printf("[sql][Insert] Failed to retrieve total number of results for group=%s; service=%s: %s", service.Group, service.Name, err.Error())
 	} else {
 		if numberOfResults > resultsCleanUpThreshold {
 			if err = s.deleteOldServiceResults(tx, serviceID); err != nil {
-				log.Printf("[sqlite][Insert] Failed to delete old results for group=%s; service=%s: %s", service.Group, service.Name, err.Error())
+				log.Printf("[sql][Insert] Failed to delete old results for group=%s; service=%s: %s", service.Group, service.Name, err.Error())
 			}
 		}
 	}
 	// Finally, we need to insert the uptime data.
 	// Because the uptime data significantly outlives the results, we can't rely on the results for determining the uptime
 	if err = s.updateServiceUptime(tx, serviceID, result); err != nil {
-		log.Printf("[sqlite][Insert] Failed to update uptime for group=%s; service=%s: %s", service.Group, service.Name, err.Error())
+		log.Printf("[sql][Insert] Failed to update uptime for group=%s; service=%s: %s", service.Group, service.Name, err.Error())
 	}
 	// Clean up old uptime entries
 	ageOfOldestUptimeEntry, err := s.getAgeOfOldestServiceUptimeEntry(tx, serviceID)
 	if err != nil {
-		log.Printf("[sqlite][Insert] Failed to retrieve oldest service uptime entry for group=%s; service=%s: %s", service.Group, service.Name, err.Error())
+		log.Printf("[sql][Insert] Failed to retrieve oldest service uptime entry for group=%s; service=%s: %s", service.Group, service.Name, err.Error())
 	} else {
 		if ageOfOldestUptimeEntry > uptimeCleanUpThreshold {
 			if err = s.deleteOldUptimeEntries(tx, serviceID, time.Now().Add(-(uptimeRetention + time.Hour))); err != nil {
-				log.Printf("[sqlite][Insert] Failed to delete old uptime entries for group=%s; service=%s: %s", service.Group, service.Name, err.Error())
+				log.Printf("[sql][Insert] Failed to delete old uptime entries for group=%s; service=%s: %s", service.Group, service.Name, err.Error())
 			}
 		}
 	}
-	//log.Printf("[sqlite][Insert] Successfully inserted result in duration=%dms", time.Since(start).Milliseconds())
 	if err = tx.Commit(); err != nil {
 		_ = tx.Rollback()
 	}
-	return
+	return err
 }
 
 // DeleteAllServiceStatusesNotInKeys removes all rows owned by a service whose key is not within the keys provided
@@ -393,13 +337,16 @@ func (s *Store) DeleteAllServiceStatusesNotInKeys(keys []string) int {
 		result, err = s.db.Exec("DELETE FROM service")
 	} else {
 		args := make([]interface{}, 0, len(keys))
+		query := "DELETE FROM service WHERE service_key NOT IN ("
 		for i := range keys {
+			query += fmt.Sprintf("$%d,", i+1)
 			args = append(args, keys[i])
 		}
-		result, err = s.db.Exec(fmt.Sprintf("DELETE FROM service WHERE service_key NOT IN (%s)", strings.Trim(strings.Repeat("?,", len(keys)), ",")), args...)
+		query = query[:len(query)-1] + ")"
+		result, err = s.db.Exec(query, args...)
 	}
 	if err != nil {
-		log.Printf("[sqlite][DeleteAllServiceStatusesNotInKeys] Failed to delete rows that do not belong to any of keys=%v: %s", keys, err.Error())
+		log.Printf("[sql][DeleteAllServiceStatusesNotInKeys] Failed to delete rows that do not belong to any of keys=%v: %s", keys, err.Error())
 		return 0
 	}
 	rowsAffects, _ := result.RowsAffected()
@@ -423,17 +370,18 @@ func (s *Store) Close() {
 
 // insertService inserts a service in the store and returns the generated id of said service
 func (s *Store) insertService(tx *sql.Tx, service *core.Service) (int64, error) {
-	//log.Printf("[sqlite][insertService] Inserting service with group=%s and name=%s", service.Group, service.Name)
-	result, err := tx.Exec(
-		"INSERT INTO service (service_key, service_name, service_group) VALUES ($1, $2, $3)",
+	//log.Printf("[sql][insertService] Inserting service with group=%s and name=%s", service.Group, service.Name)
+	var id int64
+	err := tx.QueryRow(
+		"INSERT INTO service (service_key, service_name, service_group) VALUES ($1, $2, $3) RETURNING service_id",
 		service.Key(),
 		service.Name,
 		service.Group,
-	)
+	).Scan(&id)
 	if err != nil {
 		return 0, err
 	}
-	return result.LastInsertId()
+	return id, nil
 }
 
 // insertEvent inserts a service event in the store
@@ -442,7 +390,7 @@ func (s *Store) insertEvent(tx *sql.Tx, serviceID int64, event *core.Event) erro
 		"INSERT INTO service_event (service_id, event_type, event_timestamp) VALUES ($1, $2, $3)",
 		serviceID,
 		event.Type,
-		event.Timestamp,
+		event.Timestamp.UTC(),
 	)
 	if err != nil {
 		return err
@@ -452,10 +400,12 @@ func (s *Store) insertEvent(tx *sql.Tx, serviceID int64, event *core.Event) erro
 
 // insertResult inserts a result in the store
 func (s *Store) insertResult(tx *sql.Tx, serviceID int64, result *core.Result) error {
-	res, err := tx.Exec(
+	var serviceResultID int64
+	err := tx.QueryRow(
 		`
 			INSERT INTO service_result (service_id, success, errors, connected, status, dns_rcode, certificate_expiration, hostname, ip, duration, timestamp)
 			VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11)
+			RETURNING service_result_id
 		`,
 		serviceID,
 		result.Success,
@@ -467,12 +417,8 @@ func (s *Store) insertResult(tx *sql.Tx, serviceID int64, result *core.Result) e
 		result.Hostname,
 		result.IP,
 		result.Duration,
-		result.Timestamp,
-	)
-	if err != nil {
-		return err
-	}
-	serviceResultID, err := res.LastInsertId()
+		result.Timestamp.UTC(),
+	).Scan(&serviceResultID)
 	if err != nil {
 		return err
 	}
@@ -505,9 +451,9 @@ func (s *Store) updateServiceUptime(tx *sql.Tx, serviceID int64, result *core.Re
 			INSERT INTO service_uptime (service_id, hour_unix_timestamp, total_executions, successful_executions, total_response_time) 
 			VALUES ($1, $2, $3, $4, $5)
 			ON CONFLICT(service_id, hour_unix_timestamp) DO UPDATE SET
-				total_executions = excluded.total_executions + total_executions,
-				successful_executions = excluded.successful_executions + successful_executions,
-				total_response_time = excluded.total_response_time + total_response_time
+				total_executions = excluded.total_executions + service_uptime.total_executions,
+				successful_executions = excluded.successful_executions + service_uptime.successful_executions,
+				total_response_time = excluded.total_response_time + service_uptime.total_response_time
 		`,
 		serviceID,
 		unixTimestampFlooredAtHour,
@@ -515,14 +461,11 @@ func (s *Store) updateServiceUptime(tx *sql.Tx, serviceID int64, result *core.Re
 		successfulExecutions,
 		result.Duration.Milliseconds(),
 	)
-	if err != nil {
-		return err
-	}
-	return nil
+	return err
 }
 
 func (s *Store) getAllServiceKeys(tx *sql.Tx) (keys []string, err error) {
-	rows, err := tx.Query("SELECT service_key FROM service")
+	rows, err := tx.Query("SELECT service_key FROM service ORDER BY service_key")
 	if err != nil {
 		return nil, err
 	}
@@ -531,7 +474,6 @@ func (s *Store) getAllServiceKeys(tx *sql.Tx) (keys []string, err error) {
 		_ = rows.Scan(&key)
 		keys = append(keys, key)
 	}
-	_ = rows.Close()
 	return
 }
 
@@ -543,12 +485,12 @@ func (s *Store) getServiceStatusByKey(tx *sql.Tx, key string, parameters *paging
 	serviceStatus := core.NewServiceStatus(key, serviceGroup, serviceName)
 	if parameters.EventsPageSize > 0 {
 		if serviceStatus.Events, err = s.getEventsByServiceID(tx, serviceID, parameters.EventsPage, parameters.EventsPageSize); err != nil {
-			log.Printf("[sqlite][getServiceStatusByKey] Failed to retrieve events for key=%s: %s", key, err.Error())
+			log.Printf("[sql][getServiceStatusByKey] Failed to retrieve events for key=%s: %s", key, err.Error())
 		}
 	}
 	if parameters.ResultsPageSize > 0 {
 		if serviceStatus.Results, err = s.getResultsByServiceID(tx, serviceID, parameters.ResultsPage, parameters.ResultsPageSize); err != nil {
-			log.Printf("[sqlite][getServiceStatusByKey] Failed to retrieve results for key=%s: %s", key, err.Error())
+			log.Printf("[sql][getServiceStatusByKey] Failed to retrieve results for key=%s: %s", key, err.Error())
 		}
 	}
 	//if parameters.IncludeUptime {
@@ -561,7 +503,7 @@ func (s *Store) getServiceStatusByKey(tx *sql.Tx, key string, parameters *paging
 }
 
 func (s *Store) getServiceIDGroupAndNameByKey(tx *sql.Tx, key string) (id int64, group, name string, err error) {
-	rows, err := tx.Query(
+	err = tx.QueryRow(
 		`
 			SELECT service_id, service_group, service_name
 			FROM service
@@ -569,17 +511,13 @@ func (s *Store) getServiceIDGroupAndNameByKey(tx *sql.Tx, key string) (id int64,
 			LIMIT 1
 		`,
 		key,
-	)
+	).Scan(&id, &group, &name)
 	if err != nil {
+		if err == sql.ErrNoRows {
+			return 0, "", "", common.ErrServiceNotFound
+		}
 		return 0, "", "", err
 	}
-	for rows.Next() {
-		_ = rows.Scan(&id, &group, &name)
-	}
-	_ = rows.Close()
-	if id == 0 {
-		return 0, "", "", common.ErrServiceNotFound
-	}
 	return
 }
 
@@ -604,7 +542,6 @@ func (s *Store) getEventsByServiceID(tx *sql.Tx, serviceID int64, page, pageSize
 		_ = rows.Scan(&event.Type, &event.Timestamp)
 		events = append(events, event)
 	}
-	_ = rows.Close()
 	return
 }
 
@@ -617,16 +554,6 @@ func (s *Store) getResultsByServiceID(tx *sql.Tx, serviceID int64, page, pageSiz
 			ORDER BY service_result_id DESC -- Normally, we'd sort by timestamp, but sorting by service_result_id is faster
 			LIMIT $2 OFFSET $3
 		`,
-		//`
-		//	SELECT * FROM (
-		//	    SELECT service_result_id, success, errors, connected, status, dns_rcode, certificate_expiration, hostname, ip, duration, timestamp
-		//		FROM service_result
-		//		WHERE service_id = $1
-		//		ORDER BY service_result_id DESC -- Normally, we'd sort by timestamp, but sorting by service_result_id is faster
-		//		LIMIT $2 OFFSET $3
-		//	)
-		//	ORDER BY service_result_id ASC -- Normally, we'd sort by timestamp, but sorting by service_result_id is faster
-		//`,
 		serviceID,
 		pageSize,
 		(page-1)*pageSize,
@@ -643,33 +570,34 @@ func (s *Store) getResultsByServiceID(tx *sql.Tx, serviceID int64, page, pageSiz
 		if len(joinedErrors) != 0 {
 			result.Errors = strings.Split(joinedErrors, arraySeparator)
 		}
-		//results = append(results, result)
 		// This is faster than using a subselect
 		results = append([]*core.Result{result}, results...)
 		idResultMap[id] = result
 	}
-	_ = rows.Close()
-	// Get the conditionResults
-	for serviceResultID, result := range idResultMap {
-		rows, err = tx.Query(
-			`
-				SELECT condition, success
+	// Get condition results
+	args := make([]interface{}, 0, len(idResultMap))
+	query := `SELECT service_result_id, condition, success
 				FROM service_result_condition
-				WHERE service_result_id = $1
-			`,
-			serviceResultID,
-		)
-		if err != nil {
+				WHERE service_result_id IN (`
+	index := 1
+	for serviceResultID := range idResultMap {
+		query += fmt.Sprintf("$%d,", index)
+		args = append(args, serviceResultID)
+		index++
+	}
+	query = query[:len(query)-1] + ")"
+	rows, err = tx.Query(query, args...)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close() // explicitly defer the close in case an error happens during the scan
+	for rows.Next() {
+		conditionResult := &core.ConditionResult{}
+		var serviceResultID int64
+		if err = rows.Scan(&serviceResultID, &conditionResult.Condition, &conditionResult.Success); err != nil {
 			return
 		}
-		for rows.Next() {
-			conditionResult := &core.ConditionResult{}
-			if err = rows.Scan(&conditionResult.Condition, &conditionResult.Success); err != nil {
-				return
-			}
-			result.ConditionResults = append(result.ConditionResults, conditionResult)
-		}
-		_ = rows.Close()
+		idResultMap[serviceResultID].ConditionResults = append(idResultMap[serviceResultID].ConditionResults, conditionResult)
 	}
 	return
 }
@@ -693,9 +621,7 @@ func (s *Store) getServiceUptime(tx *sql.Tx, serviceID int64, from, to time.Time
 	var totalExecutions, totalSuccessfulExecutions, totalResponseTime int
 	for rows.Next() {
 		_ = rows.Scan(&totalExecutions, &totalSuccessfulExecutions, &totalResponseTime)
-		break
 	}
-	_ = rows.Close()
 	if totalExecutions > 0 {
 		uptime = float64(totalSuccessfulExecutions) / float64(totalExecutions)
 		avgResponseTime = time.Duration(float64(totalResponseTime)/float64(totalExecutions)) * time.Millisecond
@@ -724,7 +650,6 @@ func (s *Store) getServiceAverageResponseTime(tx *sql.Tx, serviceID int64, from,
 	for rows.Next() {
 		_ = rows.Scan(&totalExecutions, &totalResponseTime)
 	}
-	_ = rows.Close()
 	if totalExecutions == 0 {
 		return 0, nil
 	}
@@ -755,53 +680,31 @@ func (s *Store) getServiceHourlyAverageResponseTimes(tx *sql.Tx, serviceID int64
 		_ = rows.Scan(&unixTimestampFlooredAtHour, &totalExecutions, &totalResponseTime)
 		hourlyAverageResponseTimes[unixTimestampFlooredAtHour] = int(float64(totalResponseTime) / float64(totalExecutions))
 	}
-	_ = rows.Close()
 	return hourlyAverageResponseTimes, nil
 }
 
 func (s *Store) getServiceID(tx *sql.Tx, service *core.Service) (int64, error) {
-	rows, err := tx.Query("SELECT service_id FROM service WHERE service_key = $1", service.Key())
-	if err != nil {
-		return 0, err
-	}
 	var id int64
-	var found bool
-	for rows.Next() {
-		_ = rows.Scan(&id)
-		found = true
-		break
-	}
-	_ = rows.Close()
-	if !found {
-		return 0, common.ErrServiceNotFound
+	err := tx.QueryRow("SELECT service_id FROM service WHERE service_key = $1", service.Key()).Scan(&id)
+	if err != nil {
+		if err == sql.ErrNoRows {
+			return 0, common.ErrServiceNotFound
+		}
+		return 0, err
 	}
 	return id, nil
 }
 
 func (s *Store) getNumberOfEventsByServiceID(tx *sql.Tx, serviceID int64) (int64, error) {
-	rows, err := tx.Query("SELECT COUNT(1) FROM service_event WHERE service_id = $1", serviceID)
-	if err != nil {
-		return 0, err
-	}
 	var numberOfEvents int64
-	for rows.Next() {
-		_ = rows.Scan(&numberOfEvents)
-	}
-	_ = rows.Close()
-	return numberOfEvents, nil
+	err := tx.QueryRow("SELECT COUNT(1) FROM service_event WHERE service_id = $1", serviceID).Scan(&numberOfEvents)
+	return numberOfEvents, err
 }
 
 func (s *Store) getNumberOfResultsByServiceID(tx *sql.Tx, serviceID int64) (int64, error) {
-	rows, err := tx.Query("SELECT COUNT(1) FROM service_result WHERE service_id = $1", serviceID)
-	if err != nil {
-		return 0, err
-	}
 	var numberOfResults int64
-	for rows.Next() {
-		_ = rows.Scan(&numberOfResults)
-	}
-	_ = rows.Close()
-	return numberOfResults, nil
+	err := tx.QueryRow("SELECT COUNT(1) FROM service_result WHERE service_id = $1", serviceID).Scan(&numberOfResults)
+	return numberOfResults, err
 }
 
 func (s *Store) getAgeOfOldestServiceUptimeEntry(tx *sql.Tx, serviceID int64) (time.Duration, error) {
@@ -823,9 +726,7 @@ func (s *Store) getAgeOfOldestServiceUptimeEntry(tx *sql.Tx, serviceID int64) (t
 	for rows.Next() {
 		_ = rows.Scan(&oldestServiceUptimeUnixTimestamp)
 		found = true
-		break
 	}
-	_ = rows.Close()
 	if !found {
 		return 0, errNoRowsReturned
 	}
@@ -833,20 +734,13 @@ func (s *Store) getAgeOfOldestServiceUptimeEntry(tx *sql.Tx, serviceID int64) (t
 }
 
 func (s *Store) getLastServiceResultSuccessValue(tx *sql.Tx, serviceID int64) (bool, error) {
-	rows, err := tx.Query("SELECT success FROM service_result WHERE service_id = $1 ORDER BY service_result_id DESC LIMIT 1", serviceID)
-	if err != nil {
-		return false, err
-	}
 	var success bool
-	var found bool
-	for rows.Next() {
-		_ = rows.Scan(&success)
-		found = true
-		break
-	}
-	_ = rows.Close()
-	if !found {
-		return false, errNoRowsReturned
+	err := tx.QueryRow("SELECT success FROM service_result WHERE service_id = $1 ORDER BY service_result_id DESC LIMIT 1", serviceID).Scan(&success)
+	if err != nil {
+		if err == sql.ErrNoRows {
+			return false, errNoRowsReturned
+		}
+		return false, err
 	}
 	return success, nil
 }
@@ -868,12 +762,7 @@ func (s *Store) deleteOldServiceEvents(tx *sql.Tx, serviceID int64) error {
 		serviceID,
 		common.MaximumNumberOfEvents,
 	)
-	if err != nil {
-		return err
-	}
-	//rowsAffected, _ := result.RowsAffected()
-	//log.Printf("deleted %d rows from service_event", rowsAffected)
-	return nil
+	return err
 }
 
 // deleteOldServiceResults deletes old service results that are no longer needed
@@ -893,20 +782,10 @@ func (s *Store) deleteOldServiceResults(tx *sql.Tx, serviceID int64) error {
 		serviceID,
 		common.MaximumNumberOfResults,
 	)
-	if err != nil {
-		return err
-	}
-	//rowsAffected, _ := result.RowsAffected()
-	//log.Printf("deleted %d rows from service_result", rowsAffected)
-	return nil
+	return err
 }
 
 func (s *Store) deleteOldUptimeEntries(tx *sql.Tx, serviceID int64, maxAge time.Time) error {
 	_, err := tx.Exec("DELETE FROM service_uptime WHERE service_id = $1 AND hour_unix_timestamp < $2", serviceID, maxAge.Unix())
-	//if err != nil {
-	//	return err
-	//}
-	//rowsAffected, _ := result.RowsAffected()
-	//log.Printf("deleted %d rows from service_uptime", rowsAffected)
 	return err
 }

storage/store/sql/sql_test.go

@@ -1,4 +1,4 @@
-package sqlite
+package sql
 
 import (
 	"testing"
@@ -25,7 +25,6 @@ var (
 		Interval:                30 * time.Second,
 		Conditions:              []*core.Condition{&firstCondition, &secondCondition, &thirdCondition},
 		Alerts:                  nil,
-		Insecure:                false,
 		NumberOfFailuresInARow:  0,
 		NumberOfSuccessesInARow: 0,
 	}
@@ -158,7 +157,7 @@ func TestStore_InsertCleansUpEventsAndResultsProperly(t *testing.T) {
 	for i := 0; i < resultsCleanUpThreshold+eventsCleanUpThreshold; i++ {
 		store.Insert(&testService, &testSuccessfulResult)
 		store.Insert(&testService, &testUnsuccessfulResult)
-		ss := store.GetServiceStatusByKey(testService.Key(), paging.NewServiceStatusParams().WithResults(1, common.MaximumNumberOfResults*5).WithEvents(1, common.MaximumNumberOfEvents*5))
+		ss, _ := store.GetServiceStatusByKey(testService.Key(), paging.NewServiceStatusParams().WithResults(1, common.MaximumNumberOfResults*5).WithEvents(1, common.MaximumNumberOfEvents*5))
 		if len(ss.Results) > resultsCleanUpThreshold+1 {
 			t.Errorf("number of results shouldn't have exceeded %d, reached %d", resultsCleanUpThreshold, len(ss.Results))
 		}
@@ -183,7 +182,7 @@ func TestStore_Persistence(t *testing.T) {
 	if uptime, _ := store.GetUptimeByKey(testService.Key(), time.Now().Add(-time.Hour*24*7), time.Now()); uptime != 0.5 {
 		t.Errorf("the uptime over the past 7d should've been 0.5, got %f", uptime)
 	}
-	ssFromOldStore := store.GetServiceStatus(testService.Group, testService.Name, paging.NewServiceStatusParams().WithResults(1, common.MaximumNumberOfResults).WithEvents(1, common.MaximumNumberOfEvents))
+	ssFromOldStore, _ := store.GetServiceStatus(testService.Group, testService.Name, paging.NewServiceStatusParams().WithResults(1, common.MaximumNumberOfResults).WithEvents(1, common.MaximumNumberOfEvents))
 	if ssFromOldStore == nil || ssFromOldStore.Group != "group" || ssFromOldStore.Name != "name" || len(ssFromOldStore.Events) != 3 || len(ssFromOldStore.Results) != 2 {
 		store.Close()
 		t.Fatal("sanity check failed")
@@ -191,7 +190,7 @@ func TestStore_Persistence(t *testing.T) {
 	store.Close()
 	store, _ = NewStore("sqlite", file)
 	defer store.Close()
-	ssFromNewStore := store.GetServiceStatus(testService.Group, testService.Name, paging.NewServiceStatusParams().WithResults(1, common.MaximumNumberOfResults).WithEvents(1, common.MaximumNumberOfEvents))
+	ssFromNewStore, _ := store.GetServiceStatus(testService.Group, testService.Name, paging.NewServiceStatusParams().WithResults(1, common.MaximumNumberOfResults).WithEvents(1, common.MaximumNumberOfEvents))
 	if ssFromNewStore == nil || ssFromNewStore.Group != "group" || ssFromNewStore.Name != "name" || len(ssFromNewStore.Events) != 3 || len(ssFromNewStore.Results) != 2 {
 		t.Fatal("failed sanity check")
 	}
@@ -266,12 +265,14 @@ func TestStore_SanityCheck(t *testing.T) {
 	store, _ := NewStore("sqlite", t.TempDir()+"/TestStore_SanityCheck.db")
 	defer store.Close()
 	store.Insert(&testService, &testSuccessfulResult)
-	if numberOfServiceStatuses := len(store.GetAllServiceStatuses(paging.NewServiceStatusParams())); numberOfServiceStatuses != 1 {
+	serviceStatuses, _ := store.GetAllServiceStatuses(paging.NewServiceStatusParams())
+	if numberOfServiceStatuses := len(serviceStatuses); numberOfServiceStatuses != 1 {
 		t.Fatalf("expected 1 ServiceStatus, got %d", numberOfServiceStatuses)
 	}
 	store.Insert(&testService, &testUnsuccessfulResult)
 	// Both results inserted are for the same service, therefore, the count shouldn't have increased
-	if numberOfServiceStatuses := len(store.GetAllServiceStatuses(paging.NewServiceStatusParams())); numberOfServiceStatuses != 1 {
+	serviceStatuses, _ = store.GetAllServiceStatuses(paging.NewServiceStatusParams())
+	if numberOfServiceStatuses := len(serviceStatuses); numberOfServiceStatuses != 1 {
 		t.Fatalf("expected 1 ServiceStatus, got %d", numberOfServiceStatuses)
 	}
 	if hourlyAverageResponseTime, err := store.GetHourlyAverageResponseTimeByKey(testService.Key(), time.Now().Add(-24*time.Hour), time.Now()); err != nil {
@@ -285,7 +286,7 @@ func TestStore_SanityCheck(t *testing.T) {
 	if averageResponseTime, _ := store.GetAverageResponseTimeByKey(testService.Key(), time.Now().Add(-24*time.Hour), time.Now()); averageResponseTime != 450 {
 		t.Errorf("expected average response time of last 24h to be 450, got %d", averageResponseTime)
 	}
-	ss := store.GetServiceStatus(testService.Group, testService.Name, paging.NewServiceStatusParams().WithResults(1, 20).WithEvents(1, 20))
+	ss, _ := store.GetServiceStatus(testService.Group, testService.Name, paging.NewServiceStatusParams().WithResults(1, 20).WithEvents(1, 20))
 	if ss == nil {
 		t.Fatalf("Store should've had key '%s', but didn't", testService.Key())
 	}
@@ -295,9 +296,12 @@ func TestStore_SanityCheck(t *testing.T) {
 	if len(ss.Results) != 2 {
 		t.Errorf("Service '%s' should've had 2 results, got %d", ss.Name, len(ss.Results))
 	}
-	if deleted := store.DeleteAllServiceStatusesNotInKeys([]string{}); deleted != 1 {
+	if deleted := store.DeleteAllServiceStatusesNotInKeys([]string{"invalid-key-which-means-everything-should-get-deleted"}); deleted != 1 {
 		t.Errorf("%d entries should've been deleted, got %d", 1, deleted)
 	}
+	if deleted := store.DeleteAllServiceStatusesNotInKeys([]string{}); deleted != 0 {
+		t.Errorf("There should've been no entries left to delete, got %d", deleted)
+	}
 }
 
 // TestStore_InvalidTransaction tests what happens if an invalid transaction is passed as parameter
@@ -371,3 +375,105 @@ func TestStore_NoRows(t *testing.T) {
 		t.Errorf("should've %v, got %v", errNoRowsReturned, err)
 	}
 }
+
+// This tests very unlikely cases where a table is deleted.
+func TestStore_BrokenSchema(t *testing.T) {
+	store, _ := NewStore("sqlite", t.TempDir()+"/TestStore_BrokenSchema.db")
+	defer store.Close()
+	if err := store.Insert(&testService, &testSuccessfulResult); err != nil {
+		t.Fatal("expected no error, got", err.Error())
+	}
+	if _, err := store.GetAverageResponseTimeByKey(testService.Key(), time.Now().Add(-time.Hour), time.Now()); err != nil {
+		t.Fatal("expected no error, got", err.Error())
+	}
+	if _, err := store.GetAllServiceStatuses(paging.NewServiceStatusParams()); err != nil {
+		t.Fatal("expected no error, got", err.Error())
+	}
+	// Break
+	_, _ = store.db.Exec("DROP TABLE service")
+	if err := store.Insert(&testService, &testSuccessfulResult); err == nil {
+		t.Fatal("expected an error")
+	}
+	if _, err := store.GetAverageResponseTimeByKey(testService.Key(), time.Now().Add(-time.Hour), time.Now()); err == nil {
+		t.Fatal("expected an error")
+	}
+	if _, err := store.GetHourlyAverageResponseTimeByKey(testService.Key(), time.Now().Add(-time.Hour), time.Now()); err == nil {
+		t.Fatal("expected an error")
+	}
+	if _, err := store.GetAllServiceStatuses(paging.NewServiceStatusParams()); err == nil {
+		t.Fatal("expected an error")
+	}
+	if _, err := store.GetUptimeByKey(testService.Key(), time.Now().Add(-time.Hour), time.Now()); err == nil {
+		t.Fatal("expected an error")
+	}
+	if _, err := store.GetServiceStatusByKey(testService.Key(), paging.NewServiceStatusParams()); err == nil {
+		t.Fatal("expected an error")
+	}
+	// Repair
+	if err := store.createSchema(); err != nil {
+		t.Fatal("schema should've been repaired")
+	}
+	store.Clear()
+	if err := store.Insert(&testService, &testSuccessfulResult); err != nil {
+		t.Fatal("expected no error, got", err.Error())
+	}
+	// Break
+	_, _ = store.db.Exec("DROP TABLE service_event")
+	if err := store.Insert(&testService, &testSuccessfulResult); err != nil {
+		t.Fatal("expected no error, because this should silently fails, got", err.Error())
+	}
+	if _, err := store.GetAllServiceStatuses(paging.NewServiceStatusParams().WithResults(1, 1).WithEvents(1, 1)); err != nil {
+		t.Fatal("expected no error, because this should silently fail, got", err.Error())
+	}
+	// Repair
+	if err := store.createSchema(); err != nil {
+		t.Fatal("schema should've been repaired")
+	}
+	store.Clear()
+	if err := store.Insert(&testService, &testSuccessfulResult); err != nil {
+		t.Fatal("expected no error, got", err.Error())
+	}
+	// Break
+	_, _ = store.db.Exec("DROP TABLE service_result")
+	if err := store.Insert(&testService, &testSuccessfulResult); err == nil {
+		t.Fatal("expected an error")
+	}
+	if _, err := store.GetAllServiceStatuses(paging.NewServiceStatusParams().WithResults(1, 1).WithEvents(1, 1)); err != nil {
+		t.Fatal("expected no error, because this should silently fail, got", err.Error())
+	}
+	// Repair
+	if err := store.createSchema(); err != nil {
+		t.Fatal("schema should've been repaired")
+	}
+	store.Clear()
+	if err := store.Insert(&testService, &testSuccessfulResult); err != nil {
+		t.Fatal("expected no error, got", err.Error())
+	}
+	// Break
+	_, _ = store.db.Exec("DROP TABLE service_result_condition")
+	if err := store.Insert(&testService, &testSuccessfulResult); err == nil {
+		t.Fatal("expected an error")
+	}
+	// Repair
+	if err := store.createSchema(); err != nil {
+		t.Fatal("schema should've been repaired")
+	}
+	store.Clear()
+	if err := store.Insert(&testService, &testSuccessfulResult); err != nil {
+		t.Fatal("expected no error, got", err.Error())
+	}
+	// Break
+	_, _ = store.db.Exec("DROP TABLE service_uptime")
+	if err := store.Insert(&testService, &testSuccessfulResult); err != nil {
+		t.Fatal("expected no error, because this should silently fails, got", err.Error())
+	}
+	if _, err := store.GetAverageResponseTimeByKey(testService.Key(), time.Now().Add(-time.Hour), time.Now()); err == nil {
+		t.Fatal("expected an error")
+	}
+	if _, err := store.GetHourlyAverageResponseTimeByKey(testService.Key(), time.Now().Add(-time.Hour), time.Now()); err == nil {
+		t.Fatal("expected an error")
+	}
+	if _, err := store.GetUptimeByKey(testService.Key(), time.Now().Add(-time.Hour), time.Now()); err == nil {
+		t.Fatal("expected an error")
+	}
+}

storage/store/store.go

@@ -6,20 +6,20 @@ import (
 	"github.com/TwinProduction/gatus/core"
 	"github.com/TwinProduction/gatus/storage/store/common/paging"
 	"github.com/TwinProduction/gatus/storage/store/memory"
-	"github.com/TwinProduction/gatus/storage/store/sqlite"
+	"github.com/TwinProduction/gatus/storage/store/sql"
 )
 
 // Store is the interface that each stores should implement
 type Store interface {
 	// GetAllServiceStatuses returns the JSON encoding of all monitored core.ServiceStatus
 	// with a subset of core.Result defined by the page and pageSize parameters
-	GetAllServiceStatuses(params *paging.ServiceStatusParams) map[string]*core.ServiceStatus
+	GetAllServiceStatuses(params *paging.ServiceStatusParams) ([]*core.ServiceStatus, error)
 
 	// GetServiceStatus returns the service status for a given service name in the given group
-	GetServiceStatus(groupName, serviceName string, params *paging.ServiceStatusParams) *core.ServiceStatus
+	GetServiceStatus(groupName, serviceName string, params *paging.ServiceStatusParams) (*core.ServiceStatus, error)
 
 	// GetServiceStatusByKey returns the service status for a given key
-	GetServiceStatusByKey(key string, params *paging.ServiceStatusParams) *core.ServiceStatus
+	GetServiceStatusByKey(key string, params *paging.ServiceStatusParams) (*core.ServiceStatus, error)
 
 	// GetUptimeByKey returns the uptime percentage during a time range
 	GetUptimeByKey(key string, from, to time.Time) (float64, error)
@@ -31,7 +31,7 @@ type Store interface {
 	GetHourlyAverageResponseTimeByKey(key string, from, to time.Time) (map[int64]int, error)
 
 	// Insert adds the observed result for the specified service into the store
-	Insert(service *core.Service, result *core.Result)
+	Insert(service *core.Service, result *core.Result) error
 
 	// DeleteAllServiceStatusesNotInKeys removes all ServiceStatus that are not within the keys provided
 	//
@@ -44,7 +44,7 @@ type Store interface {
 	// Save persists the data if and where it needs to be persisted
 	Save() error
 
-	// Close terminates every connections and closes the store, if applicable.
+	// Close terminates every connection and closes the store, if applicable.
 	// Should only be used before stopping the application.
 	Close()
 }
@@ -54,5 +54,5 @@ type Store interface {
 var (
 	// Validate interface implementation on compile
 	_ Store = (*memory.Store)(nil)
-	_ Store = (*sqlite.Store)(nil)
+	_ Store = (*sql.Store)(nil)
 )

storage/store/store_bench_test.go

@@ -7,7 +7,7 @@ import (
 	"github.com/TwinProduction/gatus/core"
 	"github.com/TwinProduction/gatus/storage/store/common/paging"
 	"github.com/TwinProduction/gatus/storage/store/memory"
-	"github.com/TwinProduction/gatus/storage/store/sqlite"
+	"github.com/TwinProduction/gatus/storage/store/sql"
 )
 
 func BenchmarkStore_GetAllServiceStatuses(b *testing.B) {
@@ -15,7 +15,7 @@ func BenchmarkStore_GetAllServiceStatuses(b *testing.B) {
 	if err != nil {
 		b.Fatal("failed to create store:", err.Error())
 	}
-	sqliteStore, err := sqlite.NewStore("sqlite", b.TempDir()+"/BenchmarkStore_GetAllServiceStatuses.db")
+	sqliteStore, err := sql.NewStore("sqlite", b.TempDir()+"/BenchmarkStore_GetAllServiceStatuses.db")
 	if err != nil {
 		b.Fatal("failed to create store:", err.Error())
 	}
@@ -73,7 +73,7 @@ func BenchmarkStore_Insert(b *testing.B) {
 	if err != nil {
 		b.Fatal("failed to create store:", err.Error())
 	}
-	sqliteStore, err := sqlite.NewStore("sqlite", b.TempDir()+"/BenchmarkStore_Insert.db")
+	sqliteStore, err := sql.NewStore("sqlite", b.TempDir()+"/BenchmarkStore_Insert.db")
 	if err != nil {
 		b.Fatal("failed to create store:", err.Error())
 	}
@@ -145,7 +145,7 @@ func BenchmarkStore_GetServiceStatusByKey(b *testing.B) {
 	if err != nil {
 		b.Fatal("failed to create store:", err.Error())
 	}
-	sqliteStore, err := sqlite.NewStore("sqlite", b.TempDir()+"/BenchmarkStore_GetServiceStatusByKey.db")
+	sqliteStore, err := sql.NewStore("sqlite", b.TempDir()+"/BenchmarkStore_GetServiceStatusByKey.db")
 	if err != nil {
 		b.Fatal("failed to create store:", err.Error())
 	}

storage/store/store_test.go

@@ -8,7 +8,7 @@ import (
 	"github.com/TwinProduction/gatus/storage/store/common"
 	"github.com/TwinProduction/gatus/storage/store/common/paging"
 	"github.com/TwinProduction/gatus/storage/store/memory"
-	"github.com/TwinProduction/gatus/storage/store/sqlite"
+	"github.com/TwinProduction/gatus/storage/store/sql"
 )
 
 var (
@@ -27,7 +27,6 @@ var (
 		Interval:                30 * time.Second,
 		Conditions:              []*core.Condition{&firstCondition, &secondCondition, &thirdCondition},
 		Alerts:                  nil,
-		Insecure:                false,
 		NumberOfFailuresInARow:  0,
 		NumberOfSuccessesInARow: 0,
 	}
@@ -93,7 +92,7 @@ func initStoresAndBaseScenarios(t *testing.T, testName string) []*Scenario {
 	if err != nil {
 		t.Fatal("failed to create store:", err.Error())
 	}
-	sqliteStore, err := sqlite.NewStore("sqlite", t.TempDir()+"/"+testName+".db")
+	sqliteStore, err := sql.NewStore("sqlite", t.TempDir()+"/"+testName+".db")
 	if err != nil {
 		t.Fatal("failed to create store:", err.Error())
 	}
@@ -126,8 +125,10 @@ func TestStore_GetServiceStatusByKey(t *testing.T) {
 		t.Run(scenario.Name, func(t *testing.T) {
 			scenario.Store.Insert(&testService, &firstResult)
 			scenario.Store.Insert(&testService, &secondResult)
-
-			serviceStatus := scenario.Store.GetServiceStatusByKey(testService.Key(), paging.NewServiceStatusParams().WithEvents(1, common.MaximumNumberOfEvents).WithResults(1, common.MaximumNumberOfResults))
+			serviceStatus, err := scenario.Store.GetServiceStatusByKey(testService.Key(), paging.NewServiceStatusParams().WithEvents(1, common.MaximumNumberOfEvents).WithResults(1, common.MaximumNumberOfResults))
+			if err != nil {
+				t.Fatal("shouldn't have returned an error, got", err.Error())
+			}
 			if serviceStatus == nil {
 				t.Fatalf("serviceStatus shouldn't have been nil")
 			}
@@ -154,15 +155,24 @@ func TestStore_GetServiceStatusForMissingStatusReturnsNil(t *testing.T) {
 	for _, scenario := range scenarios {
 		t.Run(scenario.Name, func(t *testing.T) {
 			scenario.Store.Insert(&testService, &testSuccessfulResult)
-			serviceStatus := scenario.Store.GetServiceStatus("nonexistantgroup", "nonexistantname", paging.NewServiceStatusParams().WithEvents(1, common.MaximumNumberOfEvents).WithResults(1, common.MaximumNumberOfResults))
+			serviceStatus, err := scenario.Store.GetServiceStatus("nonexistantgroup", "nonexistantname", paging.NewServiceStatusParams().WithEvents(1, common.MaximumNumberOfEvents).WithResults(1, common.MaximumNumberOfResults))
+			if err != common.ErrServiceNotFound {
+				t.Error("should've returned ErrServiceNotFound, got", err)
+			}
 			if serviceStatus != nil {
 				t.Errorf("Returned service status for group '%s' and name '%s' not nil after inserting the service into the store", testService.Group, testService.Name)
 			}
-			serviceStatus = scenario.Store.GetServiceStatus(testService.Group, "nonexistantname", paging.NewServiceStatusParams().WithEvents(1, common.MaximumNumberOfEvents).WithResults(1, common.MaximumNumberOfResults))
+			serviceStatus, err = scenario.Store.GetServiceStatus(testService.Group, "nonexistantname", paging.NewServiceStatusParams().WithEvents(1, common.MaximumNumberOfEvents).WithResults(1, common.MaximumNumberOfResults))
+			if err != common.ErrServiceNotFound {
+				t.Error("should've returned ErrServiceNotFound, got", err)
+			}
 			if serviceStatus != nil {
 				t.Errorf("Returned service status for group '%s' and name '%s' not nil after inserting the service into the store", testService.Group, "nonexistantname")
 			}
-			serviceStatus = scenario.Store.GetServiceStatus("nonexistantgroup", testService.Name, paging.NewServiceStatusParams().WithEvents(1, common.MaximumNumberOfEvents).WithResults(1, common.MaximumNumberOfResults))
+			serviceStatus, err = scenario.Store.GetServiceStatus("nonexistantgroup", testService.Name, paging.NewServiceStatusParams().WithEvents(1, common.MaximumNumberOfEvents).WithResults(1, common.MaximumNumberOfResults))
+			if err != common.ErrServiceNotFound {
+				t.Error("should've returned ErrServiceNotFound, got", err)
+			}
 			if serviceStatus != nil {
 				t.Errorf("Returned service status for group '%s' and name '%s' not nil after inserting the service into the store", "nonexistantgroup", testService.Name)
 			}
@@ -180,12 +190,15 @@ func TestStore_GetAllServiceStatuses(t *testing.T) {
 			scenario.Store.Insert(&testService, &firstResult)
 			scenario.Store.Insert(&testService, &secondResult)
 			// Can't be bothered dealing with timezone issues on the worker that runs the automated tests
-			serviceStatuses := scenario.Store.GetAllServiceStatuses(paging.NewServiceStatusParams().WithResults(1, 20))
+			serviceStatuses, err := scenario.Store.GetAllServiceStatuses(paging.NewServiceStatusParams().WithResults(1, 20))
+			if err != nil {
+				t.Error("shouldn't have returned an error, got", err.Error())
+			}
 			if len(serviceStatuses) != 1 {
 				t.Fatal("expected 1 service status")
 			}
-			actual, exists := serviceStatuses[testService.Key()]
-			if !exists {
+			actual := serviceStatuses[0]
+			if actual == nil {
 				t.Fatal("expected service status to exist")
 			}
 			if len(actual.Results) != 2 {
@@ -209,12 +222,15 @@ func TestStore_GetAllServiceStatusesWithResultsAndEvents(t *testing.T) {
 			scenario.Store.Insert(&testService, &firstResult)
 			scenario.Store.Insert(&testService, &secondResult)
 			// Can't be bothered dealing with timezone issues on the worker that runs the automated tests
-			serviceStatuses := scenario.Store.GetAllServiceStatuses(paging.NewServiceStatusParams().WithResults(1, 20).WithEvents(1, 50))
+			serviceStatuses, err := scenario.Store.GetAllServiceStatuses(paging.NewServiceStatusParams().WithResults(1, 20).WithEvents(1, 50))
+			if err != nil {
+				t.Error("shouldn't have returned an error, got", err.Error())
+			}
 			if len(serviceStatuses) != 1 {
 				t.Fatal("expected 1 service status")
 			}
-			actual, exists := serviceStatuses[testService.Key()]
-			if !exists {
+			actual := serviceStatuses[0]
+			if actual == nil {
 				t.Fatal("expected service status to exist")
 			}
 			if len(actual.Results) != 2 {
@@ -239,14 +255,20 @@ func TestStore_GetServiceStatusPage1IsHasMoreRecentResultsThanPage2(t *testing.T
 		t.Run(scenario.Name, func(t *testing.T) {
 			scenario.Store.Insert(&testService, &firstResult)
 			scenario.Store.Insert(&testService, &secondResult)
-			serviceStatusPage1 := scenario.Store.GetServiceStatusByKey(testService.Key(), paging.NewServiceStatusParams().WithResults(1, 1))
+			serviceStatusPage1, err := scenario.Store.GetServiceStatusByKey(testService.Key(), paging.NewServiceStatusParams().WithResults(1, 1))
+			if err != nil {
+				t.Error("shouldn't have returned an error, got", err.Error())
+			}
 			if serviceStatusPage1 == nil {
 				t.Fatalf("serviceStatusPage1 shouldn't have been nil")
 			}
 			if len(serviceStatusPage1.Results) != 1 {
 				t.Fatalf("serviceStatusPage1 should've had 1 result")
 			}
-			serviceStatusPage2 := scenario.Store.GetServiceStatusByKey(testService.Key(), paging.NewServiceStatusParams().WithResults(2, 1))
+			serviceStatusPage2, err := scenario.Store.GetServiceStatusByKey(testService.Key(), paging.NewServiceStatusParams().WithResults(2, 1))
+			if err != nil {
+				t.Error("shouldn't have returned an error, got", err.Error())
+			}
 			if serviceStatusPage2 == nil {
 				t.Fatalf("serviceStatusPage2 shouldn't have been nil")
 			}
@@ -399,8 +421,10 @@ func TestStore_Insert(t *testing.T) {
 		t.Run(scenario.Name, func(t *testing.T) {
 			scenario.Store.Insert(&testService, &testSuccessfulResult)
 			scenario.Store.Insert(&testService, &testUnsuccessfulResult)
-
-			ss := scenario.Store.GetServiceStatusByKey(testService.Key(), paging.NewServiceStatusParams().WithEvents(1, common.MaximumNumberOfEvents).WithResults(1, common.MaximumNumberOfResults))
+			ss, err := scenario.Store.GetServiceStatusByKey(testService.Key(), paging.NewServiceStatusParams().WithEvents(1, common.MaximumNumberOfEvents).WithResults(1, common.MaximumNumberOfResults))
+			if err != nil {
+				t.Error("shouldn't have returned an error, got", err)
+			}
 			if ss == nil {
 				t.Fatalf("Store should've had key '%s', but didn't", testService.Key())
 			}
@@ -474,22 +498,23 @@ func TestStore_DeleteAllServiceStatusesNotInKeys(t *testing.T) {
 		t.Run(scenario.Name, func(t *testing.T) {
 			scenario.Store.Insert(&firstService, result)
 			scenario.Store.Insert(&secondService, result)
-			if scenario.Store.GetServiceStatusByKey(firstService.Key(), paging.NewServiceStatusParams()) == nil {
+			if ss, _ := scenario.Store.GetServiceStatusByKey(firstService.Key(), paging.NewServiceStatusParams()); ss == nil {
 				t.Fatal("firstService should exist")
 			}
-			if scenario.Store.GetServiceStatusByKey(secondService.Key(), paging.NewServiceStatusParams()) == nil {
+			if ss, _ := scenario.Store.GetServiceStatusByKey(secondService.Key(), paging.NewServiceStatusParams()); ss == nil {
 				t.Fatal("secondService should exist")
 			}
 			scenario.Store.DeleteAllServiceStatusesNotInKeys([]string{firstService.Key()})
-			if scenario.Store.GetServiceStatusByKey(firstService.Key(), paging.NewServiceStatusParams()) == nil {
+			if ss, _ := scenario.Store.GetServiceStatusByKey(firstService.Key(), paging.NewServiceStatusParams()); ss == nil {
 				t.Error("secondService should've been deleted")
 			}
-			if scenario.Store.GetServiceStatusByKey(secondService.Key(), paging.NewServiceStatusParams()) != nil {
+			if ss, _ := scenario.Store.GetServiceStatusByKey(secondService.Key(), paging.NewServiceStatusParams()); ss != nil {
 				t.Error("firstService should still exist")
 			}
 			// Delete everything
 			scenario.Store.DeleteAllServiceStatusesNotInKeys([]string{})
-			if len(scenario.Store.GetAllServiceStatuses(paging.NewServiceStatusParams())) != 0 {
+			serviceStatuses, _ := scenario.Store.GetAllServiceStatuses(paging.NewServiceStatusParams())
+			if len(serviceStatuses) != 0 {
 				t.Errorf("everything should've been deleted")
 			}
 		})

storage/type.go

@@ -4,6 +4,7 @@ package storage
 type Type string
 
 const (
-	TypeMemory Type = "memory" // In-memory store
-	TypeSQLite Type = "sqlite" // SQLite store
+	TypeMemory   Type = "memory"   // In-memory store
+	TypeSQLite   Type = "sqlite"   // SQLite store
+	TypePostgres Type = "postgres" // Postgres store
 )

vendor/cloud.google.com/go/LICENSE

@@ -1,202 +0,0 @@
-
-                                 Apache License
-                           Version 2.0, January 2004
-                        http://www.apache.org/licenses/
-
-   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
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-      outstanding shares, or (iii) beneficial ownership of such entity.
-
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-      by You to the Licensor shall be under the terms and conditions of
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-      the terms of any separate license agreement you may have executed
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-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.

vendor/cloud.google.com/go/compute/metadata/metadata.go

@@ -1,519 +0,0 @@
-// Copyright 2014 Google LLC
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-// Package metadata provides access to Google Compute Engine (GCE)
-// metadata and API service accounts.
-//
-// This package is a wrapper around the GCE metadata service,
-// as documented at https://developers.google.com/compute/docs/metadata.
-package metadata // import "cloud.google.com/go/compute/metadata"
-
-import (
-	"context"
-	"encoding/json"
-	"fmt"
-	"io/ioutil"
-	"net"
-	"net/http"
-	"net/url"
-	"os"
-	"runtime"
-	"strings"
-	"sync"
-	"time"
-)
-
-const (
-	// metadataIP is the documented metadata server IP address.
-	metadataIP = "169.254.169.254"
-
-	// metadataHostEnv is the environment variable specifying the
-	// GCE metadata hostname.  If empty, the default value of
-	// metadataIP ("169.254.169.254") is used instead.
-	// This is variable name is not defined by any spec, as far as
-	// I know; it was made up for the Go package.
-	metadataHostEnv = "GCE_METADATA_HOST"
-
-	userAgent = "gcloud-golang/0.1"
-)
-
-type cachedValue struct {
-	k    string
-	trim bool
-	mu   sync.Mutex
-	v    string
-}
-
-var (
-	projID  = &cachedValue{k: "project/project-id", trim: true}
-	projNum = &cachedValue{k: "project/numeric-project-id", trim: true}
-	instID  = &cachedValue{k: "instance/id", trim: true}
-)
-
-var defaultClient = &Client{hc: &http.Client{
-	Transport: &http.Transport{
-		Dial: (&net.Dialer{
-			Timeout:   2 * time.Second,
-			KeepAlive: 30 * time.Second,
-		}).Dial,
-	},
-}}
-
-// NotDefinedError is returned when requested metadata is not defined.
-//
-// The underlying string is the suffix after "/computeMetadata/v1/".
-//
-// This error is not returned if the value is defined to be the empty
-// string.
-type NotDefinedError string
-
-func (suffix NotDefinedError) Error() string {
-	return fmt.Sprintf("metadata: GCE metadata %q not defined", string(suffix))
-}
-
-func (c *cachedValue) get(cl *Client) (v string, err error) {
-	defer c.mu.Unlock()
-	c.mu.Lock()
-	if c.v != "" {
-		return c.v, nil
-	}
-	if c.trim {
-		v, err = cl.getTrimmed(c.k)
-	} else {
-		v, err = cl.Get(c.k)
-	}
-	if err == nil {
-		c.v = v
-	}
-	return
-}
-
-var (
-	onGCEOnce sync.Once
-	onGCE     bool
-)
-
-// OnGCE reports whether this process is running on Google Compute Engine.
-func OnGCE() bool {
-	onGCEOnce.Do(initOnGCE)
-	return onGCE
-}
-
-func initOnGCE() {
-	onGCE = testOnGCE()
-}
-
-func testOnGCE() bool {
-	// The user explicitly said they're on GCE, so trust them.
-	if os.Getenv(metadataHostEnv) != "" {
-		return true
-	}
-
-	ctx, cancel := context.WithCancel(context.Background())
-	defer cancel()
-
-	resc := make(chan bool, 2)
-
-	// Try two strategies in parallel.
-	// See https://github.com/googleapis/google-cloud-go/issues/194
-	go func() {
-		req, _ := http.NewRequest("GET", "http://"+metadataIP, nil)
-		req.Header.Set("User-Agent", userAgent)
-		res, err := defaultClient.hc.Do(req.WithContext(ctx))
-		if err != nil {
-			resc <- false
-			return
-		}
-		defer res.Body.Close()
-		resc <- res.Header.Get("Metadata-Flavor") == "Google"
-	}()
-
-	go func() {
-		addrs, err := net.DefaultResolver.LookupHost(ctx, "metadata.google.internal")
-		if err != nil || len(addrs) == 0 {
-			resc <- false
-			return
-		}
-		resc <- strsContains(addrs, metadataIP)
-	}()
-
-	tryHarder := systemInfoSuggestsGCE()
-	if tryHarder {
-		res := <-resc
-		if res {
-			// The first strategy succeeded, so let's use it.
-			return true
-		}
-		// Wait for either the DNS or metadata server probe to
-		// contradict the other one and say we are running on
-		// GCE. Give it a lot of time to do so, since the system
-		// info already suggests we're running on a GCE BIOS.
-		timer := time.NewTimer(5 * time.Second)
-		defer timer.Stop()
-		select {
-		case res = <-resc:
-			return res
-		case <-timer.C:
-			// Too slow. Who knows what this system is.
-			return false
-		}
-	}
-
-	// There's no hint from the system info that we're running on
-	// GCE, so use the first probe's result as truth, whether it's
-	// true or false. The goal here is to optimize for speed for
-	// users who are NOT running on GCE. We can't assume that
-	// either a DNS lookup or an HTTP request to a blackholed IP
-	// address is fast. Worst case this should return when the
-	// metaClient's Transport.ResponseHeaderTimeout or
-	// Transport.Dial.Timeout fires (in two seconds).
-	return <-resc
-}
-
-// systemInfoSuggestsGCE reports whether the local system (without
-// doing network requests) suggests that we're running on GCE. If this
-// returns true, testOnGCE tries a bit harder to reach its metadata
-// server.
-func systemInfoSuggestsGCE() bool {
-	if runtime.GOOS != "linux" {
-		// We don't have any non-Linux clues available, at least yet.
-		return false
-	}
-	slurp, _ := ioutil.ReadFile("/sys/class/dmi/id/product_name")
-	name := strings.TrimSpace(string(slurp))
-	return name == "Google" || name == "Google Compute Engine"
-}
-
-// Subscribe calls Client.Subscribe on the default client.
-func Subscribe(suffix string, fn func(v string, ok bool) error) error {
-	return defaultClient.Subscribe(suffix, fn)
-}
-
-// Get calls Client.Get on the default client.
-func Get(suffix string) (string, error) { return defaultClient.Get(suffix) }
-
-// ProjectID returns the current instance's project ID string.
-func ProjectID() (string, error) { return defaultClient.ProjectID() }
-
-// NumericProjectID returns the current instance's numeric project ID.
-func NumericProjectID() (string, error) { return defaultClient.NumericProjectID() }
-
-// InternalIP returns the instance's primary internal IP address.
-func InternalIP() (string, error) { return defaultClient.InternalIP() }
-
-// ExternalIP returns the instance's primary external (public) IP address.
-func ExternalIP() (string, error) { return defaultClient.ExternalIP() }
-
-// Email calls Client.Email on the default client.
-func Email(serviceAccount string) (string, error) { return defaultClient.Email(serviceAccount) }
-
-// Hostname returns the instance's hostname. This will be of the form
-// "<instanceID>.c.<projID>.internal".
-func Hostname() (string, error) { return defaultClient.Hostname() }
-
-// InstanceTags returns the list of user-defined instance tags,
-// assigned when initially creating a GCE instance.
-func InstanceTags() ([]string, error) { return defaultClient.InstanceTags() }
-
-// InstanceID returns the current VM's numeric instance ID.
-func InstanceID() (string, error) { return defaultClient.InstanceID() }
-
-// InstanceName returns the current VM's instance ID string.
-func InstanceName() (string, error) { return defaultClient.InstanceName() }
-
-// Zone returns the current VM's zone, such as "us-central1-b".
-func Zone() (string, error) { return defaultClient.Zone() }
-
-// InstanceAttributes calls Client.InstanceAttributes on the default client.
-func InstanceAttributes() ([]string, error) { return defaultClient.InstanceAttributes() }
-
-// ProjectAttributes calls Client.ProjectAttributes on the default client.
-func ProjectAttributes() ([]string, error) { return defaultClient.ProjectAttributes() }
-
-// InstanceAttributeValue calls Client.InstanceAttributeValue on the default client.
-func InstanceAttributeValue(attr string) (string, error) {
-	return defaultClient.InstanceAttributeValue(attr)
-}
-
-// ProjectAttributeValue calls Client.ProjectAttributeValue on the default client.
-func ProjectAttributeValue(attr string) (string, error) {
-	return defaultClient.ProjectAttributeValue(attr)
-}
-
-// Scopes calls Client.Scopes on the default client.
-func Scopes(serviceAccount string) ([]string, error) { return defaultClient.Scopes(serviceAccount) }
-
-func strsContains(ss []string, s string) bool {
-	for _, v := range ss {
-		if v == s {
-			return true
-		}
-	}
-	return false
-}
-
-// A Client provides metadata.
-type Client struct {
-	hc *http.Client
-}
-
-// NewClient returns a Client that can be used to fetch metadata.
-// Returns the client that uses the specified http.Client for HTTP requests.
-// If nil is specified, returns the default client.
-func NewClient(c *http.Client) *Client {
-	if c == nil {
-		return defaultClient
-	}
-
-	return &Client{hc: c}
-}
-
-// getETag returns a value from the metadata service as well as the associated ETag.
-// This func is otherwise equivalent to Get.
-func (c *Client) getETag(suffix string) (value, etag string, err error) {
-	// Using a fixed IP makes it very difficult to spoof the metadata service in
-	// a container, which is an important use-case for local testing of cloud
-	// deployments. To enable spoofing of the metadata service, the environment
-	// variable GCE_METADATA_HOST is first inspected to decide where metadata
-	// requests shall go.
-	host := os.Getenv(metadataHostEnv)
-	if host == "" {
-		// Using 169.254.169.254 instead of "metadata" here because Go
-		// binaries built with the "netgo" tag and without cgo won't
-		// know the search suffix for "metadata" is
-		// ".google.internal", and this IP address is documented as
-		// being stable anyway.
-		host = metadataIP
-	}
-	suffix = strings.TrimLeft(suffix, "/")
-	u := "http://" + host + "/computeMetadata/v1/" + suffix
-	req, err := http.NewRequest("GET", u, nil)
-	if err != nil {
-		return "", "", err
-	}
-	req.Header.Set("Metadata-Flavor", "Google")
-	req.Header.Set("User-Agent", userAgent)
-	res, err := c.hc.Do(req)
-	if err != nil {
-		return "", "", err
-	}
-	defer res.Body.Close()
-	if res.StatusCode == http.StatusNotFound {
-		return "", "", NotDefinedError(suffix)
-	}
-	all, err := ioutil.ReadAll(res.Body)
-	if err != nil {
-		return "", "", err
-	}
-	if res.StatusCode != 200 {
-		return "", "", &Error{Code: res.StatusCode, Message: string(all)}
-	}
-	return string(all), res.Header.Get("Etag"), nil
-}
-
-// Get returns a value from the metadata service.
-// The suffix is appended to "http://${GCE_METADATA_HOST}/computeMetadata/v1/".
-//
-// If the GCE_METADATA_HOST environment variable is not defined, a default of
-// 169.254.169.254 will be used instead.
-//
-// If the requested metadata is not defined, the returned error will
-// be of type NotDefinedError.
-func (c *Client) Get(suffix string) (string, error) {
-	val, _, err := c.getETag(suffix)
-	return val, err
-}
-
-func (c *Client) getTrimmed(suffix string) (s string, err error) {
-	s, err = c.Get(suffix)
-	s = strings.TrimSpace(s)
-	return
-}
-
-func (c *Client) lines(suffix string) ([]string, error) {
-	j, err := c.Get(suffix)
-	if err != nil {
-		return nil, err
-	}
-	s := strings.Split(strings.TrimSpace(j), "\n")
-	for i := range s {
-		s[i] = strings.TrimSpace(s[i])
-	}
-	return s, nil
-}
-
-// ProjectID returns the current instance's project ID string.
-func (c *Client) ProjectID() (string, error) { return projID.get(c) }
-
-// NumericProjectID returns the current instance's numeric project ID.
-func (c *Client) NumericProjectID() (string, error) { return projNum.get(c) }
-
-// InstanceID returns the current VM's numeric instance ID.
-func (c *Client) InstanceID() (string, error) { return instID.get(c) }
-
-// InternalIP returns the instance's primary internal IP address.
-func (c *Client) InternalIP() (string, error) {
-	return c.getTrimmed("instance/network-interfaces/0/ip")
-}
-
-// Email returns the email address associated with the service account.
-// The account may be empty or the string "default" to use the instance's
-// main account.
-func (c *Client) Email(serviceAccount string) (string, error) {
-	if serviceAccount == "" {
-		serviceAccount = "default"
-	}
-	return c.getTrimmed("instance/service-accounts/" + serviceAccount + "/email")
-}
-
-// ExternalIP returns the instance's primary external (public) IP address.
-func (c *Client) ExternalIP() (string, error) {
-	return c.getTrimmed("instance/network-interfaces/0/access-configs/0/external-ip")
-}
-
-// Hostname returns the instance's hostname. This will be of the form
-// "<instanceID>.c.<projID>.internal".
-func (c *Client) Hostname() (string, error) {
-	return c.getTrimmed("instance/hostname")
-}
-
-// InstanceTags returns the list of user-defined instance tags,
-// assigned when initially creating a GCE instance.
-func (c *Client) InstanceTags() ([]string, error) {
-	var s []string
-	j, err := c.Get("instance/tags")
-	if err != nil {
-		return nil, err
-	}
-	if err := json.NewDecoder(strings.NewReader(j)).Decode(&s); err != nil {
-		return nil, err
-	}
-	return s, nil
-}
-
-// InstanceName returns the current VM's instance ID string.
-func (c *Client) InstanceName() (string, error) {
-	return c.getTrimmed("instance/name")
-}
-
-// Zone returns the current VM's zone, such as "us-central1-b".
-func (c *Client) Zone() (string, error) {
-	zone, err := c.getTrimmed("instance/zone")
-	// zone is of the form "projects/<projNum>/zones/<zoneName>".
-	if err != nil {
-		return "", err
-	}
-	return zone[strings.LastIndex(zone, "/")+1:], nil
-}
-
-// InstanceAttributes returns the list of user-defined attributes,
-// assigned when initially creating a GCE VM instance. The value of an
-// attribute can be obtained with InstanceAttributeValue.
-func (c *Client) InstanceAttributes() ([]string, error) { return c.lines("instance/attributes/") }
-
-// ProjectAttributes returns the list of user-defined attributes
-// applying to the project as a whole, not just this VM.  The value of
-// an attribute can be obtained with ProjectAttributeValue.
-func (c *Client) ProjectAttributes() ([]string, error) { return c.lines("project/attributes/") }
-
-// InstanceAttributeValue returns the value of the provided VM
-// instance attribute.
-//
-// If the requested attribute is not defined, the returned error will
-// be of type NotDefinedError.
-//
-// InstanceAttributeValue may return ("", nil) if the attribute was
-// defined to be the empty string.
-func (c *Client) InstanceAttributeValue(attr string) (string, error) {
-	return c.Get("instance/attributes/" + attr)
-}
-
-// ProjectAttributeValue returns the value of the provided
-// project attribute.
-//
-// If the requested attribute is not defined, the returned error will
-// be of type NotDefinedError.
-//
-// ProjectAttributeValue may return ("", nil) if the attribute was
-// defined to be the empty string.
-func (c *Client) ProjectAttributeValue(attr string) (string, error) {
-	return c.Get("project/attributes/" + attr)
-}
-
-// Scopes returns the service account scopes for the given account.
-// The account may be empty or the string "default" to use the instance's
-// main account.
-func (c *Client) Scopes(serviceAccount string) ([]string, error) {
-	if serviceAccount == "" {
-		serviceAccount = "default"
-	}
-	return c.lines("instance/service-accounts/" + serviceAccount + "/scopes")
-}
-
-// Subscribe subscribes to a value from the metadata service.
-// The suffix is appended to "http://${GCE_METADATA_HOST}/computeMetadata/v1/".
-// The suffix may contain query parameters.
-//
-// Subscribe calls fn with the latest metadata value indicated by the provided
-// suffix. If the metadata value is deleted, fn is called with the empty string
-// and ok false. Subscribe blocks until fn returns a non-nil error or the value
-// is deleted. Subscribe returns the error value returned from the last call to
-// fn, which may be nil when ok == false.
-func (c *Client) Subscribe(suffix string, fn func(v string, ok bool) error) error {
-	const failedSubscribeSleep = time.Second * 5
-
-	// First check to see if the metadata value exists at all.
-	val, lastETag, err := c.getETag(suffix)
-	if err != nil {
-		return err
-	}
-
-	if err := fn(val, true); err != nil {
-		return err
-	}
-
-	ok := true
-	if strings.ContainsRune(suffix, '?') {
-		suffix += "&wait_for_change=true&last_etag="
-	} else {
-		suffix += "?wait_for_change=true&last_etag="
-	}
-	for {
-		val, etag, err := c.getETag(suffix + url.QueryEscape(lastETag))
-		if err != nil {
-			if _, deleted := err.(NotDefinedError); !deleted {
-				time.Sleep(failedSubscribeSleep)
-				continue // Retry on other errors.
-			}
-			ok = false
-		}
-		lastETag = etag
-
-		if err := fn(val, ok); err != nil || !ok {
-			return err
-		}
-	}
-}
-
-// Error contains an error response from the server.
-type Error struct {
-	// Code is the HTTP response status code.
-	Code int
-	// Message is the server response message.
-	Message string
-}
-
-func (e *Error) Error() string {
-	return fmt.Sprintf("compute: Received %d `%s`", e.Code, e.Message)
-}

vendor/github.com/davecgh/go-spew/LICENSE

@@ -1,15 +0,0 @@
-ISC License
-
-Copyright (c) 2012-2016 Dave Collins <dave@davec.name>
-
-Permission to use, copy, modify, and/or distribute this software for any
-purpose with or without fee is hereby granted, provided that the above
-copyright notice and this permission notice appear in all copies.
-
-THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
-WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
-MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
-ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
-WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
-ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
-OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

vendor/github.com/davecgh/go-spew/spew/bypass.go

@@ -1,145 +0,0 @@
-// Copyright (c) 2015-2016 Dave Collins <dave@davec.name>
-//
-// Permission to use, copy, modify, and distribute this software for any
-// purpose with or without fee is hereby granted, provided that the above
-// copyright notice and this permission notice appear in all copies.
-//
-// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
-// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
-// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
-// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
-// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
-// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
-// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-
-// NOTE: Due to the following build constraints, this file will only be compiled
-// when the code is not running on Google App Engine, compiled by GopherJS, and
-// "-tags safe" is not added to the go build command line.  The "disableunsafe"
-// tag is deprecated and thus should not be used.
-// Go versions prior to 1.4 are disabled because they use a different layout
-// for interfaces which make the implementation of unsafeReflectValue more complex.
-// +build !js,!appengine,!safe,!disableunsafe,go1.4
-
-package spew
-
-import (
-	"reflect"
-	"unsafe"
-)
-
-const (
-	// UnsafeDisabled is a build-time constant which specifies whether or
-	// not access to the unsafe package is available.
-	UnsafeDisabled = false
-
-	// ptrSize is the size of a pointer on the current arch.
-	ptrSize = unsafe.Sizeof((*byte)(nil))
-)
-
-type flag uintptr
-
-var (
-	// flagRO indicates whether the value field of a reflect.Value
-	// is read-only.
-	flagRO flag
-
-	// flagAddr indicates whether the address of the reflect.Value's
-	// value may be taken.
-	flagAddr flag
-)
-
-// flagKindMask holds the bits that make up the kind
-// part of the flags field. In all the supported versions,
-// it is in the lower 5 bits.
-const flagKindMask = flag(0x1f)
-
-// Different versions of Go have used different
-// bit layouts for the flags type. This table
-// records the known combinations.
-var okFlags = []struct {
-	ro, addr flag
-}{{
-	// From Go 1.4 to 1.5
-	ro:   1 << 5,
-	addr: 1 << 7,
-}, {
-	// Up to Go tip.
-	ro:   1<<5 | 1<<6,
-	addr: 1 << 8,
-}}
-
-var flagValOffset = func() uintptr {
-	field, ok := reflect.TypeOf(reflect.Value{}).FieldByName("flag")
-	if !ok {
-		panic("reflect.Value has no flag field")
-	}
-	return field.Offset
-}()
-
-// flagField returns a pointer to the flag field of a reflect.Value.
-func flagField(v *reflect.Value) *flag {
-	return (*flag)(unsafe.Pointer(uintptr(unsafe.Pointer(v)) + flagValOffset))
-}
-
-// unsafeReflectValue converts the passed reflect.Value into a one that bypasses
-// the typical safety restrictions preventing access to unaddressable and
-// unexported data.  It works by digging the raw pointer to the underlying
-// value out of the protected value and generating a new unprotected (unsafe)
-// reflect.Value to it.
-//
-// This allows us to check for implementations of the Stringer and error
-// interfaces to be used for pretty printing ordinarily unaddressable and
-// inaccessible values such as unexported struct fields.
-func unsafeReflectValue(v reflect.Value) reflect.Value {
-	if !v.IsValid() || (v.CanInterface() && v.CanAddr()) {
-		return v
-	}
-	flagFieldPtr := flagField(&v)
-	*flagFieldPtr &^= flagRO
-	*flagFieldPtr |= flagAddr
-	return v
-}
-
-// Sanity checks against future reflect package changes
-// to the type or semantics of the Value.flag field.
-func init() {
-	field, ok := reflect.TypeOf(reflect.Value{}).FieldByName("flag")
-	if !ok {
-		panic("reflect.Value has no flag field")
-	}
-	if field.Type.Kind() != reflect.TypeOf(flag(0)).Kind() {
-		panic("reflect.Value flag field has changed kind")
-	}
-	type t0 int
-	var t struct {
-		A t0
-		// t0 will have flagEmbedRO set.
-		t0
-		// a will have flagStickyRO set
-		a t0
-	}
-	vA := reflect.ValueOf(t).FieldByName("A")
-	va := reflect.ValueOf(t).FieldByName("a")
-	vt0 := reflect.ValueOf(t).FieldByName("t0")
-
-	// Infer flagRO from the difference between the flags
-	// for the (otherwise identical) fields in t.
-	flagPublic := *flagField(&vA)
-	flagWithRO := *flagField(&va) | *flagField(&vt0)
-	flagRO = flagPublic ^ flagWithRO
-
-	// Infer flagAddr from the difference between a value
-	// taken from a pointer and not.
-	vPtrA := reflect.ValueOf(&t).Elem().FieldByName("A")
-	flagNoPtr := *flagField(&vA)
-	flagPtr := *flagField(&vPtrA)
-	flagAddr = flagNoPtr ^ flagPtr
-
-	// Check that the inferred flags tally with one of the known versions.
-	for _, f := range okFlags {
-		if flagRO == f.ro && flagAddr == f.addr {
-			return
-		}
-	}
-	panic("reflect.Value read-only flag has changed semantics")
-}

vendor/github.com/davecgh/go-spew/spew/bypasssafe.go

@@ -1,38 +0,0 @@
-// Copyright (c) 2015-2016 Dave Collins <dave@davec.name>
-//
-// Permission to use, copy, modify, and distribute this software for any
-// purpose with or without fee is hereby granted, provided that the above
-// copyright notice and this permission notice appear in all copies.
-//
-// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
-// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
-// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
-// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
-// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
-// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
-// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-
-// NOTE: Due to the following build constraints, this file will only be compiled
-// when the code is running on Google App Engine, compiled by GopherJS, or
-// "-tags safe" is added to the go build command line.  The "disableunsafe"
-// tag is deprecated and thus should not be used.
-// +build js appengine safe disableunsafe !go1.4
-
-package spew
-
-import "reflect"
-
-const (
-	// UnsafeDisabled is a build-time constant which specifies whether or
-	// not access to the unsafe package is available.
-	UnsafeDisabled = true
-)
-
-// unsafeReflectValue typically converts the passed reflect.Value into a one
-// that bypasses the typical safety restrictions preventing access to
-// unaddressable and unexported data.  However, doing this relies on access to
-// the unsafe package.  This is a stub version which simply returns the passed
-// reflect.Value when the unsafe package is not available.
-func unsafeReflectValue(v reflect.Value) reflect.Value {
-	return v
-}

vendor/github.com/davecgh/go-spew/spew/common.go

@@ -1,341 +0,0 @@
-/*
- * Copyright (c) 2013-2016 Dave Collins <dave@davec.name>
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-package spew
-
-import (
-	"bytes"
-	"fmt"
-	"io"
-	"reflect"
-	"sort"
-	"strconv"
-)
-
-// Some constants in the form of bytes to avoid string overhead.  This mirrors
-// the technique used in the fmt package.
-var (
-	panicBytes            = []byte("(PANIC=")
-	plusBytes             = []byte("+")
-	iBytes                = []byte("i")
-	trueBytes             = []byte("true")
-	falseBytes            = []byte("false")
-	interfaceBytes        = []byte("(interface {})")
-	commaNewlineBytes     = []byte(",\n")
-	newlineBytes          = []byte("\n")
-	openBraceBytes        = []byte("{")
-	openBraceNewlineBytes = []byte("{\n")
-	closeBraceBytes       = []byte("}")
-	asteriskBytes         = []byte("*")
-	colonBytes            = []byte(":")
-	colonSpaceBytes       = []byte(": ")
-	openParenBytes        = []byte("(")
-	closeParenBytes       = []byte(")")
-	spaceBytes            = []byte(" ")
-	pointerChainBytes     = []byte("->")
-	nilAngleBytes         = []byte("<nil>")
-	maxNewlineBytes       = []byte("<max depth reached>\n")
-	maxShortBytes         = []byte("<max>")
-	circularBytes         = []byte("<already shown>")
-	circularShortBytes    = []byte("<shown>")
-	invalidAngleBytes     = []byte("<invalid>")
-	openBracketBytes      = []byte("[")
-	closeBracketBytes     = []byte("]")
-	percentBytes          = []byte("%")
-	precisionBytes        = []byte(".")
-	openAngleBytes        = []byte("<")
-	closeAngleBytes       = []byte(">")
-	openMapBytes          = []byte("map[")
-	closeMapBytes         = []byte("]")
-	lenEqualsBytes        = []byte("len=")
-	capEqualsBytes        = []byte("cap=")
-)
-
-// hexDigits is used to map a decimal value to a hex digit.
-var hexDigits = "0123456789abcdef"
-
-// catchPanic handles any panics that might occur during the handleMethods
-// calls.
-func catchPanic(w io.Writer, v reflect.Value) {
-	if err := recover(); err != nil {
-		w.Write(panicBytes)
-		fmt.Fprintf(w, "%v", err)
-		w.Write(closeParenBytes)
-	}
-}
-
-// handleMethods attempts to call the Error and String methods on the underlying
-// type the passed reflect.Value represents and outputes the result to Writer w.
-//
-// It handles panics in any called methods by catching and displaying the error
-// as the formatted value.
-func handleMethods(cs *ConfigState, w io.Writer, v reflect.Value) (handled bool) {
-	// We need an interface to check if the type implements the error or
-	// Stringer interface.  However, the reflect package won't give us an
-	// interface on certain things like unexported struct fields in order
-	// to enforce visibility rules.  We use unsafe, when it's available,
-	// to bypass these restrictions since this package does not mutate the
-	// values.
-	if !v.CanInterface() {
-		if UnsafeDisabled {
-			return false
-		}
-
-		v = unsafeReflectValue(v)
-	}
-
-	// Choose whether or not to do error and Stringer interface lookups against
-	// the base type or a pointer to the base type depending on settings.
-	// Technically calling one of these methods with a pointer receiver can
-	// mutate the value, however, types which choose to satisify an error or
-	// Stringer interface with a pointer receiver should not be mutating their
-	// state inside these interface methods.
-	if !cs.DisablePointerMethods && !UnsafeDisabled && !v.CanAddr() {
-		v = unsafeReflectValue(v)
-	}
-	if v.CanAddr() {
-		v = v.Addr()
-	}
-
-	// Is it an error or Stringer?
-	switch iface := v.Interface().(type) {
-	case error:
-		defer catchPanic(w, v)
-		if cs.ContinueOnMethod {
-			w.Write(openParenBytes)
-			w.Write([]byte(iface.Error()))
-			w.Write(closeParenBytes)
-			w.Write(spaceBytes)
-			return false
-		}
-
-		w.Write([]byte(iface.Error()))
-		return true
-
-	case fmt.Stringer:
-		defer catchPanic(w, v)
-		if cs.ContinueOnMethod {
-			w.Write(openParenBytes)
-			w.Write([]byte(iface.String()))
-			w.Write(closeParenBytes)
-			w.Write(spaceBytes)
-			return false
-		}
-		w.Write([]byte(iface.String()))
-		return true
-	}
-	return false
-}
-
-// printBool outputs a boolean value as true or false to Writer w.
-func printBool(w io.Writer, val bool) {
-	if val {
-		w.Write(trueBytes)
-	} else {
-		w.Write(falseBytes)
-	}
-}
-
-// printInt outputs a signed integer value to Writer w.
-func printInt(w io.Writer, val int64, base int) {
-	w.Write([]byte(strconv.FormatInt(val, base)))
-}
-
-// printUint outputs an unsigned integer value to Writer w.
-func printUint(w io.Writer, val uint64, base int) {
-	w.Write([]byte(strconv.FormatUint(val, base)))
-}
-
-// printFloat outputs a floating point value using the specified precision,
-// which is expected to be 32 or 64bit, to Writer w.
-func printFloat(w io.Writer, val float64, precision int) {
-	w.Write([]byte(strconv.FormatFloat(val, 'g', -1, precision)))
-}
-
-// printComplex outputs a complex value using the specified float precision
-// for the real and imaginary parts to Writer w.
-func printComplex(w io.Writer, c complex128, floatPrecision int) {
-	r := real(c)
-	w.Write(openParenBytes)
-	w.Write([]byte(strconv.FormatFloat(r, 'g', -1, floatPrecision)))
-	i := imag(c)
-	if i >= 0 {
-		w.Write(plusBytes)
-	}
-	w.Write([]byte(strconv.FormatFloat(i, 'g', -1, floatPrecision)))
-	w.Write(iBytes)
-	w.Write(closeParenBytes)
-}
-
-// printHexPtr outputs a uintptr formatted as hexadecimal with a leading '0x'
-// prefix to Writer w.
-func printHexPtr(w io.Writer, p uintptr) {
-	// Null pointer.
-	num := uint64(p)
-	if num == 0 {
-		w.Write(nilAngleBytes)
-		return
-	}
-
-	// Max uint64 is 16 bytes in hex + 2 bytes for '0x' prefix
-	buf := make([]byte, 18)
-
-	// It's simpler to construct the hex string right to left.
-	base := uint64(16)
-	i := len(buf) - 1
-	for num >= base {
-		buf[i] = hexDigits[num%base]
-		num /= base
-		i--
-	}
-	buf[i] = hexDigits[num]
-
-	// Add '0x' prefix.
-	i--
-	buf[i] = 'x'
-	i--
-	buf[i] = '0'
-
-	// Strip unused leading bytes.
-	buf = buf[i:]
-	w.Write(buf)
-}
-
-// valuesSorter implements sort.Interface to allow a slice of reflect.Value
-// elements to be sorted.
-type valuesSorter struct {
-	values  []reflect.Value
-	strings []string // either nil or same len and values
-	cs      *ConfigState
-}
-
-// newValuesSorter initializes a valuesSorter instance, which holds a set of
-// surrogate keys on which the data should be sorted.  It uses flags in
-// ConfigState to decide if and how to populate those surrogate keys.
-func newValuesSorter(values []reflect.Value, cs *ConfigState) sort.Interface {
-	vs := &valuesSorter{values: values, cs: cs}
-	if canSortSimply(vs.values[0].Kind()) {
-		return vs
-	}
-	if !cs.DisableMethods {
-		vs.strings = make([]string, len(values))
-		for i := range vs.values {
-			b := bytes.Buffer{}
-			if !handleMethods(cs, &b, vs.values[i]) {
-				vs.strings = nil
-				break
-			}
-			vs.strings[i] = b.String()
-		}
-	}
-	if vs.strings == nil && cs.SpewKeys {
-		vs.strings = make([]string, len(values))
-		for i := range vs.values {
-			vs.strings[i] = Sprintf("%#v", vs.values[i].Interface())
-		}
-	}
-	return vs
-}
-
-// canSortSimply tests whether a reflect.Kind is a primitive that can be sorted
-// directly, or whether it should be considered for sorting by surrogate keys
-// (if the ConfigState allows it).
-func canSortSimply(kind reflect.Kind) bool {
-	// This switch parallels valueSortLess, except for the default case.
-	switch kind {
-	case reflect.Bool:
-		return true
-	case reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64, reflect.Int:
-		return true
-	case reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uint:
-		return true
-	case reflect.Float32, reflect.Float64:
-		return true
-	case reflect.String:
-		return true
-	case reflect.Uintptr:
-		return true
-	case reflect.Array:
-		return true
-	}
-	return false
-}
-
-// Len returns the number of values in the slice.  It is part of the
-// sort.Interface implementation.
-func (s *valuesSorter) Len() int {
-	return len(s.values)
-}
-
-// Swap swaps the values at the passed indices.  It is part of the
-// sort.Interface implementation.
-func (s *valuesSorter) Swap(i, j int) {
-	s.values[i], s.values[j] = s.values[j], s.values[i]
-	if s.strings != nil {
-		s.strings[i], s.strings[j] = s.strings[j], s.strings[i]
-	}
-}
-
-// valueSortLess returns whether the first value should sort before the second
-// value.  It is used by valueSorter.Less as part of the sort.Interface
-// implementation.
-func valueSortLess(a, b reflect.Value) bool {
-	switch a.Kind() {
-	case reflect.Bool:
-		return !a.Bool() && b.Bool()
-	case reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64, reflect.Int:
-		return a.Int() < b.Int()
-	case reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uint:
-		return a.Uint() < b.Uint()
-	case reflect.Float32, reflect.Float64:
-		return a.Float() < b.Float()
-	case reflect.String:
-		return a.String() < b.String()
-	case reflect.Uintptr:
-		return a.Uint() < b.Uint()
-	case reflect.Array:
-		// Compare the contents of both arrays.
-		l := a.Len()
-		for i := 0; i < l; i++ {
-			av := a.Index(i)
-			bv := b.Index(i)
-			if av.Interface() == bv.Interface() {
-				continue
-			}
-			return valueSortLess(av, bv)
-		}
-	}
-	return a.String() < b.String()
-}
-
-// Less returns whether the value at index i should sort before the
-// value at index j.  It is part of the sort.Interface implementation.
-func (s *valuesSorter) Less(i, j int) bool {
-	if s.strings == nil {
-		return valueSortLess(s.values[i], s.values[j])
-	}
-	return s.strings[i] < s.strings[j]
-}
-
-// sortValues is a sort function that handles both native types and any type that
-// can be converted to error or Stringer.  Other inputs are sorted according to
-// their Value.String() value to ensure display stability.
-func sortValues(values []reflect.Value, cs *ConfigState) {
-	if len(values) == 0 {
-		return
-	}
-	sort.Sort(newValuesSorter(values, cs))
-}

vendor/github.com/davecgh/go-spew/spew/config.go

@@ -1,306 +0,0 @@
-/*
- * Copyright (c) 2013-2016 Dave Collins <dave@davec.name>
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-package spew
-
-import (
-	"bytes"
-	"fmt"
-	"io"
-	"os"
-)
-
-// ConfigState houses the configuration options used by spew to format and
-// display values.  There is a global instance, Config, that is used to control
-// all top-level Formatter and Dump functionality.  Each ConfigState instance
-// provides methods equivalent to the top-level functions.
-//
-// The zero value for ConfigState provides no indentation.  You would typically
-// want to set it to a space or a tab.
-//
-// Alternatively, you can use NewDefaultConfig to get a ConfigState instance
-// with default settings.  See the documentation of NewDefaultConfig for default
-// values.
-type ConfigState struct {
-	// Indent specifies the string to use for each indentation level.  The
-	// global config instance that all top-level functions use set this to a
-	// single space by default.  If you would like more indentation, you might
-	// set this to a tab with "\t" or perhaps two spaces with "  ".
-	Indent string
-
-	// MaxDepth controls the maximum number of levels to descend into nested
-	// data structures.  The default, 0, means there is no limit.
-	//
-	// NOTE: Circular data structures are properly detected, so it is not
-	// necessary to set this value unless you specifically want to limit deeply
-	// nested data structures.
-	MaxDepth int
-
-	// DisableMethods specifies whether or not error and Stringer interfaces are
-	// invoked for types that implement them.
-	DisableMethods bool
-
-	// DisablePointerMethods specifies whether or not to check for and invoke
-	// error and Stringer interfaces on types which only accept a pointer
-	// receiver when the current type is not a pointer.
-	//
-	// NOTE: This might be an unsafe action since calling one of these methods
-	// with a pointer receiver could technically mutate the value, however,
-	// in practice, types which choose to satisify an error or Stringer
-	// interface with a pointer receiver should not be mutating their state
-	// inside these interface methods.  As a result, this option relies on
-	// access to the unsafe package, so it will not have any effect when
-	// running in environments without access to the unsafe package such as
-	// Google App Engine or with the "safe" build tag specified.
-	DisablePointerMethods bool
-
-	// DisablePointerAddresses specifies whether to disable the printing of
-	// pointer addresses. This is useful when diffing data structures in tests.
-	DisablePointerAddresses bool
-
-	// DisableCapacities specifies whether to disable the printing of capacities
-	// for arrays, slices, maps and channels. This is useful when diffing
-	// data structures in tests.
-	DisableCapacities bool
-
-	// ContinueOnMethod specifies whether or not recursion should continue once
-	// a custom error or Stringer interface is invoked.  The default, false,
-	// means it will print the results of invoking the custom error or Stringer
-	// interface and return immediately instead of continuing to recurse into
-	// the internals of the data type.
-	//
-	// NOTE: This flag does not have any effect if method invocation is disabled
-	// via the DisableMethods or DisablePointerMethods options.
-	ContinueOnMethod bool
-
-	// SortKeys specifies map keys should be sorted before being printed. Use
-	// this to have a more deterministic, diffable output.  Note that only
-	// native types (bool, int, uint, floats, uintptr and string) and types
-	// that support the error or Stringer interfaces (if methods are
-	// enabled) are supported, with other types sorted according to the
-	// reflect.Value.String() output which guarantees display stability.
-	SortKeys bool
-
-	// SpewKeys specifies that, as a last resort attempt, map keys should
-	// be spewed to strings and sorted by those strings.  This is only
-	// considered if SortKeys is true.
-	SpewKeys bool
-}
-
-// Config is the active configuration of the top-level functions.
-// The configuration can be changed by modifying the contents of spew.Config.
-var Config = ConfigState{Indent: " "}
-
-// Errorf is a wrapper for fmt.Errorf that treats each argument as if it were
-// passed with a Formatter interface returned by c.NewFormatter.  It returns
-// the formatted string as a value that satisfies error.  See NewFormatter
-// for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Errorf(format, c.NewFormatter(a), c.NewFormatter(b))
-func (c *ConfigState) Errorf(format string, a ...interface{}) (err error) {
-	return fmt.Errorf(format, c.convertArgs(a)...)
-}
-
-// Fprint is a wrapper for fmt.Fprint that treats each argument as if it were
-// passed with a Formatter interface returned by c.NewFormatter.  It returns
-// the number of bytes written and any write error encountered.  See
-// NewFormatter for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Fprint(w, c.NewFormatter(a), c.NewFormatter(b))
-func (c *ConfigState) Fprint(w io.Writer, a ...interface{}) (n int, err error) {
-	return fmt.Fprint(w, c.convertArgs(a)...)
-}
-
-// Fprintf is a wrapper for fmt.Fprintf that treats each argument as if it were
-// passed with a Formatter interface returned by c.NewFormatter.  It returns
-// the number of bytes written and any write error encountered.  See
-// NewFormatter for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Fprintf(w, format, c.NewFormatter(a), c.NewFormatter(b))
-func (c *ConfigState) Fprintf(w io.Writer, format string, a ...interface{}) (n int, err error) {
-	return fmt.Fprintf(w, format, c.convertArgs(a)...)
-}
-
-// Fprintln is a wrapper for fmt.Fprintln that treats each argument as if it
-// passed with a Formatter interface returned by c.NewFormatter.  See
-// NewFormatter for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Fprintln(w, c.NewFormatter(a), c.NewFormatter(b))
-func (c *ConfigState) Fprintln(w io.Writer, a ...interface{}) (n int, err error) {
-	return fmt.Fprintln(w, c.convertArgs(a)...)
-}
-
-// Print is a wrapper for fmt.Print that treats each argument as if it were
-// passed with a Formatter interface returned by c.NewFormatter.  It returns
-// the number of bytes written and any write error encountered.  See
-// NewFormatter for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Print(c.NewFormatter(a), c.NewFormatter(b))
-func (c *ConfigState) Print(a ...interface{}) (n int, err error) {
-	return fmt.Print(c.convertArgs(a)...)
-}
-
-// Printf is a wrapper for fmt.Printf that treats each argument as if it were
-// passed with a Formatter interface returned by c.NewFormatter.  It returns
-// the number of bytes written and any write error encountered.  See
-// NewFormatter for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Printf(format, c.NewFormatter(a), c.NewFormatter(b))
-func (c *ConfigState) Printf(format string, a ...interface{}) (n int, err error) {
-	return fmt.Printf(format, c.convertArgs(a)...)
-}
-
-// Println is a wrapper for fmt.Println that treats each argument as if it were
-// passed with a Formatter interface returned by c.NewFormatter.  It returns
-// the number of bytes written and any write error encountered.  See
-// NewFormatter for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Println(c.NewFormatter(a), c.NewFormatter(b))
-func (c *ConfigState) Println(a ...interface{}) (n int, err error) {
-	return fmt.Println(c.convertArgs(a)...)
-}
-
-// Sprint is a wrapper for fmt.Sprint that treats each argument as if it were
-// passed with a Formatter interface returned by c.NewFormatter.  It returns
-// the resulting string.  See NewFormatter for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Sprint(c.NewFormatter(a), c.NewFormatter(b))
-func (c *ConfigState) Sprint(a ...interface{}) string {
-	return fmt.Sprint(c.convertArgs(a)...)
-}
-
-// Sprintf is a wrapper for fmt.Sprintf that treats each argument as if it were
-// passed with a Formatter interface returned by c.NewFormatter.  It returns
-// the resulting string.  See NewFormatter for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Sprintf(format, c.NewFormatter(a), c.NewFormatter(b))
-func (c *ConfigState) Sprintf(format string, a ...interface{}) string {
-	return fmt.Sprintf(format, c.convertArgs(a)...)
-}
-
-// Sprintln is a wrapper for fmt.Sprintln that treats each argument as if it
-// were passed with a Formatter interface returned by c.NewFormatter.  It
-// returns the resulting string.  See NewFormatter for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Sprintln(c.NewFormatter(a), c.NewFormatter(b))
-func (c *ConfigState) Sprintln(a ...interface{}) string {
-	return fmt.Sprintln(c.convertArgs(a)...)
-}
-
-/*
-NewFormatter returns a custom formatter that satisfies the fmt.Formatter
-interface.  As a result, it integrates cleanly with standard fmt package
-printing functions.  The formatter is useful for inline printing of smaller data
-types similar to the standard %v format specifier.
-
-The custom formatter only responds to the %v (most compact), %+v (adds pointer
-addresses), %#v (adds types), and %#+v (adds types and pointer addresses) verb
-combinations.  Any other verbs such as %x and %q will be sent to the the
-standard fmt package for formatting.  In addition, the custom formatter ignores
-the width and precision arguments (however they will still work on the format
-specifiers not handled by the custom formatter).
-
-Typically this function shouldn't be called directly.  It is much easier to make
-use of the custom formatter by calling one of the convenience functions such as
-c.Printf, c.Println, or c.Printf.
-*/
-func (c *ConfigState) NewFormatter(v interface{}) fmt.Formatter {
-	return newFormatter(c, v)
-}
-
-// Fdump formats and displays the passed arguments to io.Writer w.  It formats
-// exactly the same as Dump.
-func (c *ConfigState) Fdump(w io.Writer, a ...interface{}) {
-	fdump(c, w, a...)
-}
-
-/*
-Dump displays the passed parameters to standard out with newlines, customizable
-indentation, and additional debug information such as complete types and all
-pointer addresses used to indirect to the final value.  It provides the
-following features over the built-in printing facilities provided by the fmt
-package:
-
-	* Pointers are dereferenced and followed
-	* Circular data structures are detected and handled properly
-	* Custom Stringer/error interfaces are optionally invoked, including
-	  on unexported types
-	* Custom types which only implement the Stringer/error interfaces via
-	  a pointer receiver are optionally invoked when passing non-pointer
-	  variables
-	* Byte arrays and slices are dumped like the hexdump -C command which
-	  includes offsets, byte values in hex, and ASCII output
-
-The configuration options are controlled by modifying the public members
-of c.  See ConfigState for options documentation.
-
-See Fdump if you would prefer dumping to an arbitrary io.Writer or Sdump to
-get the formatted result as a string.
-*/
-func (c *ConfigState) Dump(a ...interface{}) {
-	fdump(c, os.Stdout, a...)
-}
-
-// Sdump returns a string with the passed arguments formatted exactly the same
-// as Dump.
-func (c *ConfigState) Sdump(a ...interface{}) string {
-	var buf bytes.Buffer
-	fdump(c, &buf, a...)
-	return buf.String()
-}
-
-// convertArgs accepts a slice of arguments and returns a slice of the same
-// length with each argument converted to a spew Formatter interface using
-// the ConfigState associated with s.
-func (c *ConfigState) convertArgs(args []interface{}) (formatters []interface{}) {
-	formatters = make([]interface{}, len(args))
-	for index, arg := range args {
-		formatters[index] = newFormatter(c, arg)
-	}
-	return formatters
-}
-
-// NewDefaultConfig returns a ConfigState with the following default settings.
-//
-// 	Indent: " "
-// 	MaxDepth: 0
-// 	DisableMethods: false
-// 	DisablePointerMethods: false
-// 	ContinueOnMethod: false
-// 	SortKeys: false
-func NewDefaultConfig() *ConfigState {
-	return &ConfigState{Indent: " "}
-}

vendor/github.com/davecgh/go-spew/spew/doc.go

@@ -1,211 +0,0 @@
-/*
- * Copyright (c) 2013-2016 Dave Collins <dave@davec.name>
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-/*
-Package spew implements a deep pretty printer for Go data structures to aid in
-debugging.
-
-A quick overview of the additional features spew provides over the built-in
-printing facilities for Go data types are as follows:
-
-	* Pointers are dereferenced and followed
-	* Circular data structures are detected and handled properly
-	* Custom Stringer/error interfaces are optionally invoked, including
-	  on unexported types
-	* Custom types which only implement the Stringer/error interfaces via
-	  a pointer receiver are optionally invoked when passing non-pointer
-	  variables
-	* Byte arrays and slices are dumped like the hexdump -C command which
-	  includes offsets, byte values in hex, and ASCII output (only when using
-	  Dump style)
-
-There are two different approaches spew allows for dumping Go data structures:
-
-	* Dump style which prints with newlines, customizable indentation,
-	  and additional debug information such as types and all pointer addresses
-	  used to indirect to the final value
-	* A custom Formatter interface that integrates cleanly with the standard fmt
-	  package and replaces %v, %+v, %#v, and %#+v to provide inline printing
-	  similar to the default %v while providing the additional functionality
-	  outlined above and passing unsupported format verbs such as %x and %q
-	  along to fmt
-
-Quick Start
-
-This section demonstrates how to quickly get started with spew.  See the
-sections below for further details on formatting and configuration options.
-
-To dump a variable with full newlines, indentation, type, and pointer
-information use Dump, Fdump, or Sdump:
-	spew.Dump(myVar1, myVar2, ...)
-	spew.Fdump(someWriter, myVar1, myVar2, ...)
-	str := spew.Sdump(myVar1, myVar2, ...)
-
-Alternatively, if you would prefer to use format strings with a compacted inline
-printing style, use the convenience wrappers Printf, Fprintf, etc with
-%v (most compact), %+v (adds pointer addresses), %#v (adds types), or
-%#+v (adds types and pointer addresses):
-	spew.Printf("myVar1: %v -- myVar2: %+v", myVar1, myVar2)
-	spew.Printf("myVar3: %#v -- myVar4: %#+v", myVar3, myVar4)
-	spew.Fprintf(someWriter, "myVar1: %v -- myVar2: %+v", myVar1, myVar2)
-	spew.Fprintf(someWriter, "myVar3: %#v -- myVar4: %#+v", myVar3, myVar4)
-
-Configuration Options
-
-Configuration of spew is handled by fields in the ConfigState type.  For
-convenience, all of the top-level functions use a global state available
-via the spew.Config global.
-
-It is also possible to create a ConfigState instance that provides methods
-equivalent to the top-level functions.  This allows concurrent configuration
-options.  See the ConfigState documentation for more details.
-
-The following configuration options are available:
-	* Indent
-		String to use for each indentation level for Dump functions.
-		It is a single space by default.  A popular alternative is "\t".
-
-	* MaxDepth
-		Maximum number of levels to descend into nested data structures.
-		There is no limit by default.
-
-	* DisableMethods
-		Disables invocation of error and Stringer interface methods.
-		Method invocation is enabled by default.
-
-	* DisablePointerMethods
-		Disables invocation of error and Stringer interface methods on types
-		which only accept pointer receivers from non-pointer variables.
-		Pointer method invocation is enabled by default.
-
-	* DisablePointerAddresses
-		DisablePointerAddresses specifies whether to disable the printing of
-		pointer addresses. This is useful when diffing data structures in tests.
-
-	* DisableCapacities
-		DisableCapacities specifies whether to disable the printing of
-		capacities for arrays, slices, maps and channels. This is useful when
-		diffing data structures in tests.
-
-	* ContinueOnMethod
-		Enables recursion into types after invoking error and Stringer interface
-		methods. Recursion after method invocation is disabled by default.
-
-	* SortKeys
-		Specifies map keys should be sorted before being printed. Use
-		this to have a more deterministic, diffable output.  Note that
-		only native types (bool, int, uint, floats, uintptr and string)
-		and types which implement error or Stringer interfaces are
-		supported with other types sorted according to the
-		reflect.Value.String() output which guarantees display
-		stability.  Natural map order is used by default.
-
-	* SpewKeys
-		Specifies that, as a last resort attempt, map keys should be
-		spewed to strings and sorted by those strings.  This is only
-		considered if SortKeys is true.
-
-Dump Usage
-
-Simply call spew.Dump with a list of variables you want to dump:
-
-	spew.Dump(myVar1, myVar2, ...)
-
-You may also call spew.Fdump if you would prefer to output to an arbitrary
-io.Writer.  For example, to dump to standard error:
-
-	spew.Fdump(os.Stderr, myVar1, myVar2, ...)
-
-A third option is to call spew.Sdump to get the formatted output as a string:
-
-	str := spew.Sdump(myVar1, myVar2, ...)
-
-Sample Dump Output
-
-See the Dump example for details on the setup of the types and variables being
-shown here.
-
-	(main.Foo) {
-	 unexportedField: (*main.Bar)(0xf84002e210)({
-	  flag: (main.Flag) flagTwo,
-	  data: (uintptr) <nil>
-	 }),
-	 ExportedField: (map[interface {}]interface {}) (len=1) {
-	  (string) (len=3) "one": (bool) true
-	 }
-	}
-
-Byte (and uint8) arrays and slices are displayed uniquely like the hexdump -C
-command as shown.
-	([]uint8) (len=32 cap=32) {
-	 00000000  11 12 13 14 15 16 17 18  19 1a 1b 1c 1d 1e 1f 20  |............... |
-	 00000010  21 22 23 24 25 26 27 28  29 2a 2b 2c 2d 2e 2f 30  |!"#$%&'()*+,-./0|
-	 00000020  31 32                                             |12|
-	}
-
-Custom Formatter
-
-Spew provides a custom formatter that implements the fmt.Formatter interface
-so that it integrates cleanly with standard fmt package printing functions. The
-formatter is useful for inline printing of smaller data types similar to the
-standard %v format specifier.
-
-The custom formatter only responds to the %v (most compact), %+v (adds pointer
-addresses), %#v (adds types), or %#+v (adds types and pointer addresses) verb
-combinations.  Any other verbs such as %x and %q will be sent to the the
-standard fmt package for formatting.  In addition, the custom formatter ignores
-the width and precision arguments (however they will still work on the format
-specifiers not handled by the custom formatter).
-
-Custom Formatter Usage
-
-The simplest way to make use of the spew custom formatter is to call one of the
-convenience functions such as spew.Printf, spew.Println, or spew.Printf.  The
-functions have syntax you are most likely already familiar with:
-
-	spew.Printf("myVar1: %v -- myVar2: %+v", myVar1, myVar2)
-	spew.Printf("myVar3: %#v -- myVar4: %#+v", myVar3, myVar4)
-	spew.Println(myVar, myVar2)
-	spew.Fprintf(os.Stderr, "myVar1: %v -- myVar2: %+v", myVar1, myVar2)
-	spew.Fprintf(os.Stderr, "myVar3: %#v -- myVar4: %#+v", myVar3, myVar4)
-
-See the Index for the full list convenience functions.
-
-Sample Formatter Output
-
-Double pointer to a uint8:
-	  %v: <**>5
-	 %+v: <**>(0xf8400420d0->0xf8400420c8)5
-	 %#v: (**uint8)5
-	%#+v: (**uint8)(0xf8400420d0->0xf8400420c8)5
-
-Pointer to circular struct with a uint8 field and a pointer to itself:
-	  %v: <*>{1 <*><shown>}
-	 %+v: <*>(0xf84003e260){ui8:1 c:<*>(0xf84003e260)<shown>}
-	 %#v: (*main.circular){ui8:(uint8)1 c:(*main.circular)<shown>}
-	%#+v: (*main.circular)(0xf84003e260){ui8:(uint8)1 c:(*main.circular)(0xf84003e260)<shown>}
-
-See the Printf example for details on the setup of variables being shown
-here.
-
-Errors
-
-Since it is possible for custom Stringer/error interfaces to panic, spew
-detects them and handles them internally by printing the panic information
-inline with the output.  Since spew is intended to provide deep pretty printing
-capabilities on structures, it intentionally does not return any errors.
-*/
-package spew

vendor/github.com/davecgh/go-spew/spew/dump.go

@@ -1,509 +0,0 @@
-/*
- * Copyright (c) 2013-2016 Dave Collins <dave@davec.name>
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-package spew
-
-import (
-	"bytes"
-	"encoding/hex"
-	"fmt"
-	"io"
-	"os"
-	"reflect"
-	"regexp"
-	"strconv"
-	"strings"
-)
-
-var (
-	// uint8Type is a reflect.Type representing a uint8.  It is used to
-	// convert cgo types to uint8 slices for hexdumping.
-	uint8Type = reflect.TypeOf(uint8(0))
-
-	// cCharRE is a regular expression that matches a cgo char.
-	// It is used to detect character arrays to hexdump them.
-	cCharRE = regexp.MustCompile(`^.*\._Ctype_char$`)
-
-	// cUnsignedCharRE is a regular expression that matches a cgo unsigned
-	// char.  It is used to detect unsigned character arrays to hexdump
-	// them.
-	cUnsignedCharRE = regexp.MustCompile(`^.*\._Ctype_unsignedchar$`)
-
-	// cUint8tCharRE is a regular expression that matches a cgo uint8_t.
-	// It is used to detect uint8_t arrays to hexdump them.
-	cUint8tCharRE = regexp.MustCompile(`^.*\._Ctype_uint8_t$`)
-)
-
-// dumpState contains information about the state of a dump operation.
-type dumpState struct {
-	w                io.Writer
-	depth            int
-	pointers         map[uintptr]int
-	ignoreNextType   bool
-	ignoreNextIndent bool
-	cs               *ConfigState
-}
-
-// indent performs indentation according to the depth level and cs.Indent
-// option.
-func (d *dumpState) indent() {
-	if d.ignoreNextIndent {
-		d.ignoreNextIndent = false
-		return
-	}
-	d.w.Write(bytes.Repeat([]byte(d.cs.Indent), d.depth))
-}
-
-// unpackValue returns values inside of non-nil interfaces when possible.
-// This is useful for data types like structs, arrays, slices, and maps which
-// can contain varying types packed inside an interface.
-func (d *dumpState) unpackValue(v reflect.Value) reflect.Value {
-	if v.Kind() == reflect.Interface && !v.IsNil() {
-		v = v.Elem()
-	}
-	return v
-}
-
-// dumpPtr handles formatting of pointers by indirecting them as necessary.
-func (d *dumpState) dumpPtr(v reflect.Value) {
-	// Remove pointers at or below the current depth from map used to detect
-	// circular refs.
-	for k, depth := range d.pointers {
-		if depth >= d.depth {
-			delete(d.pointers, k)
-		}
-	}
-
-	// Keep list of all dereferenced pointers to show later.
-	pointerChain := make([]uintptr, 0)
-
-	// Figure out how many levels of indirection there are by dereferencing
-	// pointers and unpacking interfaces down the chain while detecting circular
-	// references.
-	nilFound := false
-	cycleFound := false
-	indirects := 0
-	ve := v
-	for ve.Kind() == reflect.Ptr {
-		if ve.IsNil() {
-			nilFound = true
-			break
-		}
-		indirects++
-		addr := ve.Pointer()
-		pointerChain = append(pointerChain, addr)
-		if pd, ok := d.pointers[addr]; ok && pd < d.depth {
-			cycleFound = true
-			indirects--
-			break
-		}
-		d.pointers[addr] = d.depth
-
-		ve = ve.Elem()
-		if ve.Kind() == reflect.Interface {
-			if ve.IsNil() {
-				nilFound = true
-				break
-			}
-			ve = ve.Elem()
-		}
-	}
-
-	// Display type information.
-	d.w.Write(openParenBytes)
-	d.w.Write(bytes.Repeat(asteriskBytes, indirects))
-	d.w.Write([]byte(ve.Type().String()))
-	d.w.Write(closeParenBytes)
-
-	// Display pointer information.
-	if !d.cs.DisablePointerAddresses && len(pointerChain) > 0 {
-		d.w.Write(openParenBytes)
-		for i, addr := range pointerChain {
-			if i > 0 {
-				d.w.Write(pointerChainBytes)
-			}
-			printHexPtr(d.w, addr)
-		}
-		d.w.Write(closeParenBytes)
-	}
-
-	// Display dereferenced value.
-	d.w.Write(openParenBytes)
-	switch {
-	case nilFound:
-		d.w.Write(nilAngleBytes)
-
-	case cycleFound:
-		d.w.Write(circularBytes)
-
-	default:
-		d.ignoreNextType = true
-		d.dump(ve)
-	}
-	d.w.Write(closeParenBytes)
-}
-
-// dumpSlice handles formatting of arrays and slices.  Byte (uint8 under
-// reflection) arrays and slices are dumped in hexdump -C fashion.
-func (d *dumpState) dumpSlice(v reflect.Value) {
-	// Determine whether this type should be hex dumped or not.  Also,
-	// for types which should be hexdumped, try to use the underlying data
-	// first, then fall back to trying to convert them to a uint8 slice.
-	var buf []uint8
-	doConvert := false
-	doHexDump := false
-	numEntries := v.Len()
-	if numEntries > 0 {
-		vt := v.Index(0).Type()
-		vts := vt.String()
-		switch {
-		// C types that need to be converted.
-		case cCharRE.MatchString(vts):
-			fallthrough
-		case cUnsignedCharRE.MatchString(vts):
-			fallthrough
-		case cUint8tCharRE.MatchString(vts):
-			doConvert = true
-
-		// Try to use existing uint8 slices and fall back to converting
-		// and copying if that fails.
-		case vt.Kind() == reflect.Uint8:
-			// We need an addressable interface to convert the type
-			// to a byte slice.  However, the reflect package won't
-			// give us an interface on certain things like
-			// unexported struct fields in order to enforce
-			// visibility rules.  We use unsafe, when available, to
-			// bypass these restrictions since this package does not
-			// mutate the values.
-			vs := v
-			if !vs.CanInterface() || !vs.CanAddr() {
-				vs = unsafeReflectValue(vs)
-			}
-			if !UnsafeDisabled {
-				vs = vs.Slice(0, numEntries)
-
-				// Use the existing uint8 slice if it can be
-				// type asserted.
-				iface := vs.Interface()
-				if slice, ok := iface.([]uint8); ok {
-					buf = slice
-					doHexDump = true
-					break
-				}
-			}
-
-			// The underlying data needs to be converted if it can't
-			// be type asserted to a uint8 slice.
-			doConvert = true
-		}
-
-		// Copy and convert the underlying type if needed.
-		if doConvert && vt.ConvertibleTo(uint8Type) {
-			// Convert and copy each element into a uint8 byte
-			// slice.
-			buf = make([]uint8, numEntries)
-			for i := 0; i < numEntries; i++ {
-				vv := v.Index(i)
-				buf[i] = uint8(vv.Convert(uint8Type).Uint())
-			}
-			doHexDump = true
-		}
-	}
-
-	// Hexdump the entire slice as needed.
-	if doHexDump {
-		indent := strings.Repeat(d.cs.Indent, d.depth)
-		str := indent + hex.Dump(buf)
-		str = strings.Replace(str, "\n", "\n"+indent, -1)
-		str = strings.TrimRight(str, d.cs.Indent)
-		d.w.Write([]byte(str))
-		return
-	}
-
-	// Recursively call dump for each item.
-	for i := 0; i < numEntries; i++ {
-		d.dump(d.unpackValue(v.Index(i)))
-		if i < (numEntries - 1) {
-			d.w.Write(commaNewlineBytes)
-		} else {
-			d.w.Write(newlineBytes)
-		}
-	}
-}
-
-// dump is the main workhorse for dumping a value.  It uses the passed reflect
-// value to figure out what kind of object we are dealing with and formats it
-// appropriately.  It is a recursive function, however circular data structures
-// are detected and handled properly.
-func (d *dumpState) dump(v reflect.Value) {
-	// Handle invalid reflect values immediately.
-	kind := v.Kind()
-	if kind == reflect.Invalid {
-		d.w.Write(invalidAngleBytes)
-		return
-	}
-
-	// Handle pointers specially.
-	if kind == reflect.Ptr {
-		d.indent()
-		d.dumpPtr(v)
-		return
-	}
-
-	// Print type information unless already handled elsewhere.
-	if !d.ignoreNextType {
-		d.indent()
-		d.w.Write(openParenBytes)
-		d.w.Write([]byte(v.Type().String()))
-		d.w.Write(closeParenBytes)
-		d.w.Write(spaceBytes)
-	}
-	d.ignoreNextType = false
-
-	// Display length and capacity if the built-in len and cap functions
-	// work with the value's kind and the len/cap itself is non-zero.
-	valueLen, valueCap := 0, 0
-	switch v.Kind() {
-	case reflect.Array, reflect.Slice, reflect.Chan:
-		valueLen, valueCap = v.Len(), v.Cap()
-	case reflect.Map, reflect.String:
-		valueLen = v.Len()
-	}
-	if valueLen != 0 || !d.cs.DisableCapacities && valueCap != 0 {
-		d.w.Write(openParenBytes)
-		if valueLen != 0 {
-			d.w.Write(lenEqualsBytes)
-			printInt(d.w, int64(valueLen), 10)
-		}
-		if !d.cs.DisableCapacities && valueCap != 0 {
-			if valueLen != 0 {
-				d.w.Write(spaceBytes)
-			}
-			d.w.Write(capEqualsBytes)
-			printInt(d.w, int64(valueCap), 10)
-		}
-		d.w.Write(closeParenBytes)
-		d.w.Write(spaceBytes)
-	}
-
-	// Call Stringer/error interfaces if they exist and the handle methods flag
-	// is enabled
-	if !d.cs.DisableMethods {
-		if (kind != reflect.Invalid) && (kind != reflect.Interface) {
-			if handled := handleMethods(d.cs, d.w, v); handled {
-				return
-			}
-		}
-	}
-
-	switch kind {
-	case reflect.Invalid:
-		// Do nothing.  We should never get here since invalid has already
-		// been handled above.
-
-	case reflect.Bool:
-		printBool(d.w, v.Bool())
-
-	case reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64, reflect.Int:
-		printInt(d.w, v.Int(), 10)
-
-	case reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uint:
-		printUint(d.w, v.Uint(), 10)
-
-	case reflect.Float32:
-		printFloat(d.w, v.Float(), 32)
-
-	case reflect.Float64:
-		printFloat(d.w, v.Float(), 64)
-
-	case reflect.Complex64:
-		printComplex(d.w, v.Complex(), 32)
-
-	case reflect.Complex128:
-		printComplex(d.w, v.Complex(), 64)
-
-	case reflect.Slice:
-		if v.IsNil() {
-			d.w.Write(nilAngleBytes)
-			break
-		}
-		fallthrough
-
-	case reflect.Array:
-		d.w.Write(openBraceNewlineBytes)
-		d.depth++
-		if (d.cs.MaxDepth != 0) && (d.depth > d.cs.MaxDepth) {
-			d.indent()
-			d.w.Write(maxNewlineBytes)
-		} else {
-			d.dumpSlice(v)
-		}
-		d.depth--
-		d.indent()
-		d.w.Write(closeBraceBytes)
-
-	case reflect.String:
-		d.w.Write([]byte(strconv.Quote(v.String())))
-
-	case reflect.Interface:
-		// The only time we should get here is for nil interfaces due to
-		// unpackValue calls.
-		if v.IsNil() {
-			d.w.Write(nilAngleBytes)
-		}
-
-	case reflect.Ptr:
-		// Do nothing.  We should never get here since pointers have already
-		// been handled above.
-
-	case reflect.Map:
-		// nil maps should be indicated as different than empty maps
-		if v.IsNil() {
-			d.w.Write(nilAngleBytes)
-			break
-		}
-
-		d.w.Write(openBraceNewlineBytes)
-		d.depth++
-		if (d.cs.MaxDepth != 0) && (d.depth > d.cs.MaxDepth) {
-			d.indent()
-			d.w.Write(maxNewlineBytes)
-		} else {
-			numEntries := v.Len()
-			keys := v.MapKeys()
-			if d.cs.SortKeys {
-				sortValues(keys, d.cs)
-			}
-			for i, key := range keys {
-				d.dump(d.unpackValue(key))
-				d.w.Write(colonSpaceBytes)
-				d.ignoreNextIndent = true
-				d.dump(d.unpackValue(v.MapIndex(key)))
-				if i < (numEntries - 1) {
-					d.w.Write(commaNewlineBytes)
-				} else {
-					d.w.Write(newlineBytes)
-				}
-			}
-		}
-		d.depth--
-		d.indent()
-		d.w.Write(closeBraceBytes)
-
-	case reflect.Struct:
-		d.w.Write(openBraceNewlineBytes)
-		d.depth++
-		if (d.cs.MaxDepth != 0) && (d.depth > d.cs.MaxDepth) {
-			d.indent()
-			d.w.Write(maxNewlineBytes)
-		} else {
-			vt := v.Type()
-			numFields := v.NumField()
-			for i := 0; i < numFields; i++ {
-				d.indent()
-				vtf := vt.Field(i)
-				d.w.Write([]byte(vtf.Name))
-				d.w.Write(colonSpaceBytes)
-				d.ignoreNextIndent = true
-				d.dump(d.unpackValue(v.Field(i)))
-				if i < (numFields - 1) {
-					d.w.Write(commaNewlineBytes)
-				} else {
-					d.w.Write(newlineBytes)
-				}
-			}
-		}
-		d.depth--
-		d.indent()
-		d.w.Write(closeBraceBytes)
-
-	case reflect.Uintptr:
-		printHexPtr(d.w, uintptr(v.Uint()))
-
-	case reflect.UnsafePointer, reflect.Chan, reflect.Func:
-		printHexPtr(d.w, v.Pointer())
-
-	// There were not any other types at the time this code was written, but
-	// fall back to letting the default fmt package handle it in case any new
-	// types are added.
-	default:
-		if v.CanInterface() {
-			fmt.Fprintf(d.w, "%v", v.Interface())
-		} else {
-			fmt.Fprintf(d.w, "%v", v.String())
-		}
-	}
-}
-
-// fdump is a helper function to consolidate the logic from the various public
-// methods which take varying writers and config states.
-func fdump(cs *ConfigState, w io.Writer, a ...interface{}) {
-	for _, arg := range a {
-		if arg == nil {
-			w.Write(interfaceBytes)
-			w.Write(spaceBytes)
-			w.Write(nilAngleBytes)
-			w.Write(newlineBytes)
-			continue
-		}
-
-		d := dumpState{w: w, cs: cs}
-		d.pointers = make(map[uintptr]int)
-		d.dump(reflect.ValueOf(arg))
-		d.w.Write(newlineBytes)
-	}
-}
-
-// Fdump formats and displays the passed arguments to io.Writer w.  It formats
-// exactly the same as Dump.
-func Fdump(w io.Writer, a ...interface{}) {
-	fdump(&Config, w, a...)
-}
-
-// Sdump returns a string with the passed arguments formatted exactly the same
-// as Dump.
-func Sdump(a ...interface{}) string {
-	var buf bytes.Buffer
-	fdump(&Config, &buf, a...)
-	return buf.String()
-}
-
-/*
-Dump displays the passed parameters to standard out with newlines, customizable
-indentation, and additional debug information such as complete types and all
-pointer addresses used to indirect to the final value.  It provides the
-following features over the built-in printing facilities provided by the fmt
-package:
-
-	* Pointers are dereferenced and followed
-	* Circular data structures are detected and handled properly
-	* Custom Stringer/error interfaces are optionally invoked, including
-	  on unexported types
-	* Custom types which only implement the Stringer/error interfaces via
-	  a pointer receiver are optionally invoked when passing non-pointer
-	  variables
-	* Byte arrays and slices are dumped like the hexdump -C command which
-	  includes offsets, byte values in hex, and ASCII output
-
-The configuration options are controlled by an exported package global,
-spew.Config.  See ConfigState for options documentation.
-
-See Fdump if you would prefer dumping to an arbitrary io.Writer or Sdump to
-get the formatted result as a string.
-*/
-func Dump(a ...interface{}) {
-	fdump(&Config, os.Stdout, a...)
-}

vendor/github.com/davecgh/go-spew/spew/format.go

@@ -1,419 +0,0 @@
-/*
- * Copyright (c) 2013-2016 Dave Collins <dave@davec.name>
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-package spew
-
-import (
-	"bytes"
-	"fmt"
-	"reflect"
-	"strconv"
-	"strings"
-)
-
-// supportedFlags is a list of all the character flags supported by fmt package.
-const supportedFlags = "0-+# "
-
-// formatState implements the fmt.Formatter interface and contains information
-// about the state of a formatting operation.  The NewFormatter function can
-// be used to get a new Formatter which can be used directly as arguments
-// in standard fmt package printing calls.
-type formatState struct {
-	value          interface{}
-	fs             fmt.State
-	depth          int
-	pointers       map[uintptr]int
-	ignoreNextType bool
-	cs             *ConfigState
-}
-
-// buildDefaultFormat recreates the original format string without precision
-// and width information to pass in to fmt.Sprintf in the case of an
-// unrecognized type.  Unless new types are added to the language, this
-// function won't ever be called.
-func (f *formatState) buildDefaultFormat() (format string) {
-	buf := bytes.NewBuffer(percentBytes)
-
-	for _, flag := range supportedFlags {
-		if f.fs.Flag(int(flag)) {
-			buf.WriteRune(flag)
-		}
-	}
-
-	buf.WriteRune('v')
-
-	format = buf.String()
-	return format
-}
-
-// constructOrigFormat recreates the original format string including precision
-// and width information to pass along to the standard fmt package.  This allows
-// automatic deferral of all format strings this package doesn't support.
-func (f *formatState) constructOrigFormat(verb rune) (format string) {
-	buf := bytes.NewBuffer(percentBytes)
-
-	for _, flag := range supportedFlags {
-		if f.fs.Flag(int(flag)) {
-			buf.WriteRune(flag)
-		}
-	}
-
-	if width, ok := f.fs.Width(); ok {
-		buf.WriteString(strconv.Itoa(width))
-	}
-
-	if precision, ok := f.fs.Precision(); ok {
-		buf.Write(precisionBytes)
-		buf.WriteString(strconv.Itoa(precision))
-	}
-
-	buf.WriteRune(verb)
-
-	format = buf.String()
-	return format
-}
-
-// unpackValue returns values inside of non-nil interfaces when possible and
-// ensures that types for values which have been unpacked from an interface
-// are displayed when the show types flag is also set.
-// This is useful for data types like structs, arrays, slices, and maps which
-// can contain varying types packed inside an interface.
-func (f *formatState) unpackValue(v reflect.Value) reflect.Value {
-	if v.Kind() == reflect.Interface {
-		f.ignoreNextType = false
-		if !v.IsNil() {
-			v = v.Elem()
-		}
-	}
-	return v
-}
-
-// formatPtr handles formatting of pointers by indirecting them as necessary.
-func (f *formatState) formatPtr(v reflect.Value) {
-	// Display nil if top level pointer is nil.
-	showTypes := f.fs.Flag('#')
-	if v.IsNil() && (!showTypes || f.ignoreNextType) {
-		f.fs.Write(nilAngleBytes)
-		return
-	}
-
-	// Remove pointers at or below the current depth from map used to detect
-	// circular refs.
-	for k, depth := range f.pointers {
-		if depth >= f.depth {
-			delete(f.pointers, k)
-		}
-	}
-
-	// Keep list of all dereferenced pointers to possibly show later.
-	pointerChain := make([]uintptr, 0)
-
-	// Figure out how many levels of indirection there are by derferencing
-	// pointers and unpacking interfaces down the chain while detecting circular
-	// references.
-	nilFound := false
-	cycleFound := false
-	indirects := 0
-	ve := v
-	for ve.Kind() == reflect.Ptr {
-		if ve.IsNil() {
-			nilFound = true
-			break
-		}
-		indirects++
-		addr := ve.Pointer()
-		pointerChain = append(pointerChain, addr)
-		if pd, ok := f.pointers[addr]; ok && pd < f.depth {
-			cycleFound = true
-			indirects--
-			break
-		}
-		f.pointers[addr] = f.depth
-
-		ve = ve.Elem()
-		if ve.Kind() == reflect.Interface {
-			if ve.IsNil() {
-				nilFound = true
-				break
-			}
-			ve = ve.Elem()
-		}
-	}
-
-	// Display type or indirection level depending on flags.
-	if showTypes && !f.ignoreNextType {
-		f.fs.Write(openParenBytes)
-		f.fs.Write(bytes.Repeat(asteriskBytes, indirects))
-		f.fs.Write([]byte(ve.Type().String()))
-		f.fs.Write(closeParenBytes)
-	} else {
-		if nilFound || cycleFound {
-			indirects += strings.Count(ve.Type().String(), "*")
-		}
-		f.fs.Write(openAngleBytes)
-		f.fs.Write([]byte(strings.Repeat("*", indirects)))
-		f.fs.Write(closeAngleBytes)
-	}
-
-	// Display pointer information depending on flags.
-	if f.fs.Flag('+') && (len(pointerChain) > 0) {
-		f.fs.Write(openParenBytes)
-		for i, addr := range pointerChain {
-			if i > 0 {
-				f.fs.Write(pointerChainBytes)
-			}
-			printHexPtr(f.fs, addr)
-		}
-		f.fs.Write(closeParenBytes)
-	}
-
-	// Display dereferenced value.
-	switch {
-	case nilFound:
-		f.fs.Write(nilAngleBytes)
-
-	case cycleFound:
-		f.fs.Write(circularShortBytes)
-
-	default:
-		f.ignoreNextType = true
-		f.format(ve)
-	}
-}
-
-// format is the main workhorse for providing the Formatter interface.  It
-// uses the passed reflect value to figure out what kind of object we are
-// dealing with and formats it appropriately.  It is a recursive function,
-// however circular data structures are detected and handled properly.
-func (f *formatState) format(v reflect.Value) {
-	// Handle invalid reflect values immediately.
-	kind := v.Kind()
-	if kind == reflect.Invalid {
-		f.fs.Write(invalidAngleBytes)
-		return
-	}
-
-	// Handle pointers specially.
-	if kind == reflect.Ptr {
-		f.formatPtr(v)
-		return
-	}
-
-	// Print type information unless already handled elsewhere.
-	if !f.ignoreNextType && f.fs.Flag('#') {
-		f.fs.Write(openParenBytes)
-		f.fs.Write([]byte(v.Type().String()))
-		f.fs.Write(closeParenBytes)
-	}
-	f.ignoreNextType = false
-
-	// Call Stringer/error interfaces if they exist and the handle methods
-	// flag is enabled.
-	if !f.cs.DisableMethods {
-		if (kind != reflect.Invalid) && (kind != reflect.Interface) {
-			if handled := handleMethods(f.cs, f.fs, v); handled {
-				return
-			}
-		}
-	}
-
-	switch kind {
-	case reflect.Invalid:
-		// Do nothing.  We should never get here since invalid has already
-		// been handled above.
-
-	case reflect.Bool:
-		printBool(f.fs, v.Bool())
-
-	case reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64, reflect.Int:
-		printInt(f.fs, v.Int(), 10)
-
-	case reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uint:
-		printUint(f.fs, v.Uint(), 10)
-
-	case reflect.Float32:
-		printFloat(f.fs, v.Float(), 32)
-
-	case reflect.Float64:
-		printFloat(f.fs, v.Float(), 64)
-
-	case reflect.Complex64:
-		printComplex(f.fs, v.Complex(), 32)
-
-	case reflect.Complex128:
-		printComplex(f.fs, v.Complex(), 64)
-
-	case reflect.Slice:
-		if v.IsNil() {
-			f.fs.Write(nilAngleBytes)
-			break
-		}
-		fallthrough
-
-	case reflect.Array:
-		f.fs.Write(openBracketBytes)
-		f.depth++
-		if (f.cs.MaxDepth != 0) && (f.depth > f.cs.MaxDepth) {
-			f.fs.Write(maxShortBytes)
-		} else {
-			numEntries := v.Len()
-			for i := 0; i < numEntries; i++ {
-				if i > 0 {
-					f.fs.Write(spaceBytes)
-				}
-				f.ignoreNextType = true
-				f.format(f.unpackValue(v.Index(i)))
-			}
-		}
-		f.depth--
-		f.fs.Write(closeBracketBytes)
-
-	case reflect.String:
-		f.fs.Write([]byte(v.String()))
-
-	case reflect.Interface:
-		// The only time we should get here is for nil interfaces due to
-		// unpackValue calls.
-		if v.IsNil() {
-			f.fs.Write(nilAngleBytes)
-		}
-
-	case reflect.Ptr:
-		// Do nothing.  We should never get here since pointers have already
-		// been handled above.
-
-	case reflect.Map:
-		// nil maps should be indicated as different than empty maps
-		if v.IsNil() {
-			f.fs.Write(nilAngleBytes)
-			break
-		}
-
-		f.fs.Write(openMapBytes)
-		f.depth++
-		if (f.cs.MaxDepth != 0) && (f.depth > f.cs.MaxDepth) {
-			f.fs.Write(maxShortBytes)
-		} else {
-			keys := v.MapKeys()
-			if f.cs.SortKeys {
-				sortValues(keys, f.cs)
-			}
-			for i, key := range keys {
-				if i > 0 {
-					f.fs.Write(spaceBytes)
-				}
-				f.ignoreNextType = true
-				f.format(f.unpackValue(key))
-				f.fs.Write(colonBytes)
-				f.ignoreNextType = true
-				f.format(f.unpackValue(v.MapIndex(key)))
-			}
-		}
-		f.depth--
-		f.fs.Write(closeMapBytes)
-
-	case reflect.Struct:
-		numFields := v.NumField()
-		f.fs.Write(openBraceBytes)
-		f.depth++
-		if (f.cs.MaxDepth != 0) && (f.depth > f.cs.MaxDepth) {
-			f.fs.Write(maxShortBytes)
-		} else {
-			vt := v.Type()
-			for i := 0; i < numFields; i++ {
-				if i > 0 {
-					f.fs.Write(spaceBytes)
-				}
-				vtf := vt.Field(i)
-				if f.fs.Flag('+') || f.fs.Flag('#') {
-					f.fs.Write([]byte(vtf.Name))
-					f.fs.Write(colonBytes)
-				}
-				f.format(f.unpackValue(v.Field(i)))
-			}
-		}
-		f.depth--
-		f.fs.Write(closeBraceBytes)
-
-	case reflect.Uintptr:
-		printHexPtr(f.fs, uintptr(v.Uint()))
-
-	case reflect.UnsafePointer, reflect.Chan, reflect.Func:
-		printHexPtr(f.fs, v.Pointer())
-
-	// There were not any other types at the time this code was written, but
-	// fall back to letting the default fmt package handle it if any get added.
-	default:
-		format := f.buildDefaultFormat()
-		if v.CanInterface() {
-			fmt.Fprintf(f.fs, format, v.Interface())
-		} else {
-			fmt.Fprintf(f.fs, format, v.String())
-		}
-	}
-}
-
-// Format satisfies the fmt.Formatter interface. See NewFormatter for usage
-// details.
-func (f *formatState) Format(fs fmt.State, verb rune) {
-	f.fs = fs
-
-	// Use standard formatting for verbs that are not v.
-	if verb != 'v' {
-		format := f.constructOrigFormat(verb)
-		fmt.Fprintf(fs, format, f.value)
-		return
-	}
-
-	if f.value == nil {
-		if fs.Flag('#') {
-			fs.Write(interfaceBytes)
-		}
-		fs.Write(nilAngleBytes)
-		return
-	}
-
-	f.format(reflect.ValueOf(f.value))
-}
-
-// newFormatter is a helper function to consolidate the logic from the various
-// public methods which take varying config states.
-func newFormatter(cs *ConfigState, v interface{}) fmt.Formatter {
-	fs := &formatState{value: v, cs: cs}
-	fs.pointers = make(map[uintptr]int)
-	return fs
-}
-
-/*
-NewFormatter returns a custom formatter that satisfies the fmt.Formatter
-interface.  As a result, it integrates cleanly with standard fmt package
-printing functions.  The formatter is useful for inline printing of smaller data
-types similar to the standard %v format specifier.
-
-The custom formatter only responds to the %v (most compact), %+v (adds pointer
-addresses), %#v (adds types), or %#+v (adds types and pointer addresses) verb
-combinations.  Any other verbs such as %x and %q will be sent to the the
-standard fmt package for formatting.  In addition, the custom formatter ignores
-the width and precision arguments (however they will still work on the format
-specifiers not handled by the custom formatter).
-
-Typically this function shouldn't be called directly.  It is much easier to make
-use of the custom formatter by calling one of the convenience functions such as
-Printf, Println, or Fprintf.
-*/
-func NewFormatter(v interface{}) fmt.Formatter {
-	return newFormatter(&Config, v)
-}

vendor/github.com/davecgh/go-spew/spew/spew.go

@@ -1,148 +0,0 @@
-/*
- * Copyright (c) 2013-2016 Dave Collins <dave@davec.name>
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-package spew
-
-import (
-	"fmt"
-	"io"
-)
-
-// Errorf is a wrapper for fmt.Errorf that treats each argument as if it were
-// passed with a default Formatter interface returned by NewFormatter.  It
-// returns the formatted string as a value that satisfies error.  See
-// NewFormatter for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Errorf(format, spew.NewFormatter(a), spew.NewFormatter(b))
-func Errorf(format string, a ...interface{}) (err error) {
-	return fmt.Errorf(format, convertArgs(a)...)
-}
-
-// Fprint is a wrapper for fmt.Fprint that treats each argument as if it were
-// passed with a default Formatter interface returned by NewFormatter.  It
-// returns the number of bytes written and any write error encountered.  See
-// NewFormatter for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Fprint(w, spew.NewFormatter(a), spew.NewFormatter(b))
-func Fprint(w io.Writer, a ...interface{}) (n int, err error) {
-	return fmt.Fprint(w, convertArgs(a)...)
-}
-
-// Fprintf is a wrapper for fmt.Fprintf that treats each argument as if it were
-// passed with a default Formatter interface returned by NewFormatter.  It
-// returns the number of bytes written and any write error encountered.  See
-// NewFormatter for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Fprintf(w, format, spew.NewFormatter(a), spew.NewFormatter(b))
-func Fprintf(w io.Writer, format string, a ...interface{}) (n int, err error) {
-	return fmt.Fprintf(w, format, convertArgs(a)...)
-}
-
-// Fprintln is a wrapper for fmt.Fprintln that treats each argument as if it
-// passed with a default Formatter interface returned by NewFormatter.  See
-// NewFormatter for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Fprintln(w, spew.NewFormatter(a), spew.NewFormatter(b))
-func Fprintln(w io.Writer, a ...interface{}) (n int, err error) {
-	return fmt.Fprintln(w, convertArgs(a)...)
-}
-
-// Print is a wrapper for fmt.Print that treats each argument as if it were
-// passed with a default Formatter interface returned by NewFormatter.  It
-// returns the number of bytes written and any write error encountered.  See
-// NewFormatter for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Print(spew.NewFormatter(a), spew.NewFormatter(b))
-func Print(a ...interface{}) (n int, err error) {
-	return fmt.Print(convertArgs(a)...)
-}
-
-// Printf is a wrapper for fmt.Printf that treats each argument as if it were
-// passed with a default Formatter interface returned by NewFormatter.  It
-// returns the number of bytes written and any write error encountered.  See
-// NewFormatter for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Printf(format, spew.NewFormatter(a), spew.NewFormatter(b))
-func Printf(format string, a ...interface{}) (n int, err error) {
-	return fmt.Printf(format, convertArgs(a)...)
-}
-
-// Println is a wrapper for fmt.Println that treats each argument as if it were
-// passed with a default Formatter interface returned by NewFormatter.  It
-// returns the number of bytes written and any write error encountered.  See
-// NewFormatter for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Println(spew.NewFormatter(a), spew.NewFormatter(b))
-func Println(a ...interface{}) (n int, err error) {
-	return fmt.Println(convertArgs(a)...)
-}
-
-// Sprint is a wrapper for fmt.Sprint that treats each argument as if it were
-// passed with a default Formatter interface returned by NewFormatter.  It
-// returns the resulting string.  See NewFormatter for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Sprint(spew.NewFormatter(a), spew.NewFormatter(b))
-func Sprint(a ...interface{}) string {
-	return fmt.Sprint(convertArgs(a)...)
-}
-
-// Sprintf is a wrapper for fmt.Sprintf that treats each argument as if it were
-// passed with a default Formatter interface returned by NewFormatter.  It
-// returns the resulting string.  See NewFormatter for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Sprintf(format, spew.NewFormatter(a), spew.NewFormatter(b))
-func Sprintf(format string, a ...interface{}) string {
-	return fmt.Sprintf(format, convertArgs(a)...)
-}
-
-// Sprintln is a wrapper for fmt.Sprintln that treats each argument as if it
-// were passed with a default Formatter interface returned by NewFormatter.  It
-// returns the resulting string.  See NewFormatter for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Sprintln(spew.NewFormatter(a), spew.NewFormatter(b))
-func Sprintln(a ...interface{}) string {
-	return fmt.Sprintln(convertArgs(a)...)
-}
-
-// convertArgs accepts a slice of arguments and returns a slice of the same
-// length with each argument converted to a default spew Formatter interface.
-func convertArgs(args []interface{}) (formatters []interface{}) {
-	formatters = make([]interface{}, len(args))
-	for index, arg := range args {
-		formatters[index] = NewFormatter(arg)
-	}
-	return formatters
-}

vendor/github.com/gogo/protobuf/AUTHORS

@@ -1,15 +0,0 @@
-# This is the official list of GoGo authors for copyright purposes.
-# This file is distinct from the CONTRIBUTORS file, which
-# lists people.  For example, employees are listed in CONTRIBUTORS,
-# but not in AUTHORS, because the employer holds the copyright.
-
-# Names should be added to this file as one of
-#     Organization's name
-#     Individual's name <submission email address>
-#     Individual's name <submission email address> <email2> <emailN>
-
-# Please keep the list sorted.
-
-Sendgrid, Inc
-Vastech SA (PTY) LTD
-Walter Schulze <awalterschulze@gmail.com>

vendor/github.com/gogo/protobuf/CONTRIBUTORS

@@ -1,23 +0,0 @@
-Anton Povarov <anton.povarov@gmail.com>
-Brian Goff <cpuguy83@gmail.com>
-Clayton Coleman <ccoleman@redhat.com>
-Denis Smirnov <denis.smirnov.91@gmail.com>
-DongYun Kang <ceram1000@gmail.com>
-Dwayne Schultz <dschultz@pivotal.io>
-Georg Apitz <gapitz@pivotal.io>
-Gustav Paul <gustav.paul@gmail.com>
-Johan Brandhorst <johan.brandhorst@gmail.com>
-John Shahid <jvshahid@gmail.com>
-John Tuley <john@tuley.org>
-Laurent <laurent@adyoulike.com>
-Patrick Lee <patrick@dropbox.com>
-Peter Edge <peter.edge@gmail.com>
-Roger Johansson <rogeralsing@gmail.com>
-Sam Nguyen <sam.nguyen@sendgrid.com>
-Sergio Arbeo <serabe@gmail.com>
-Stephen J Day <stephen.day@docker.com>
-Tamir Duberstein <tamird@gmail.com>
-Todd Eisenberger <teisenberger@dropbox.com>
-Tormod Erevik Lea <tormodlea@gmail.com>
-Vyacheslav Kim <kane@sendgrid.com>
-Walter Schulze <awalterschulze@gmail.com>

vendor/github.com/gogo/protobuf/LICENSE

@@ -1,35 +0,0 @@
-Copyright (c) 2013, The GoGo Authors. All rights reserved.
-
-Protocol Buffers for Go with Gadgets
-
-Go support for Protocol Buffers - Google's data interchange format
-
-Copyright 2010 The Go Authors.  All rights reserved.
-https://github.com/golang/protobuf
-
-Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions are
-met:
-
-    * Redistributions of source code must retain the above copyright
-notice, this list of conditions and the following disclaimer.
-    * Redistributions in binary form must reproduce the above
-copyright notice, this list of conditions and the following disclaimer
-in the documentation and/or other materials provided with the
-distribution.
-    * Neither the name of Google Inc. nor the names of its
-contributors may be used to endorse or promote products derived from
-this software without specific prior written permission.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-

vendor/github.com/gogo/protobuf/proto/Makefile

@@ -1,43 +0,0 @@
-# Go support for Protocol Buffers - Google's data interchange format
-#
-# Copyright 2010 The Go Authors.  All rights reserved.
-# https://github.com/golang/protobuf
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions are
-# met:
-#
-#     * Redistributions of source code must retain the above copyright
-# notice, this list of conditions and the following disclaimer.
-#     * Redistributions in binary form must reproduce the above
-# copyright notice, this list of conditions and the following disclaimer
-# in the documentation and/or other materials provided with the
-# distribution.
-#     * Neither the name of Google Inc. nor the names of its
-# contributors may be used to endorse or promote products derived from
-# this software without specific prior written permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-install:
-	go install
-
-test: install generate-test-pbs
-	go test
-
-
-generate-test-pbs:
-	make install
-	make -C test_proto
-	make -C proto3_proto
-	make