feat(alerting): Add new providers for Datadog, IFTTT, Line, NewRelic, Plivo, RocketChat, SendGrid, Signal, SIGNL4, Splunk, Squadcast, Vonage, Webex and Zapier (#1224)
* feat(alerting): Add new providers for Datadog, IFTTT, Line, NewRelic, Plivo, RocketChat, SendGrid, Signal, SIGNL4, Splunk, Squadcast, Vonage, Webex and Zapier Relevant: https://github.com/TwiN/gatus/discussions/1223 Fixes #1073 Fixes #1074 * chore: Clean up code * docs: Fix table formatting * Update alerting/provider/datadog/datadog.go * Update alerting/provider/signal/signal.go * Update alerting/provider/ifttt/ifttt.go * Update alerting/provider/newrelic/newrelic.go * Update alerting/provider/squadcast/squadcast.go * Update alerting/provider/squadcast/squadcast.go
This commit is contained in:
TwiN
187
alerting/provider/ifttt/ifttt.go
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187
alerting/provider/ifttt/ifttt.go
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@@ -0,0 +1,187 @@
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package ifttt
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import (
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"bytes"
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"encoding/json"
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"errors"
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"fmt"
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"io"
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"net/http"
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"github.com/TwiN/gatus/v5/alerting/alert"
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"github.com/TwiN/gatus/v5/client"
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"github.com/TwiN/gatus/v5/config/endpoint"
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"gopkg.in/yaml.v3"
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)
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var (
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ErrWebhookKeyNotSet = errors.New("webhook-key not set")
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ErrEventNameNotSet = errors.New("event-name not set")
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ErrDuplicateGroupOverride = errors.New("duplicate group override")
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)
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type Config struct {
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WebhookKey string `yaml:"webhook-key"` // IFTTT Webhook key
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EventName string `yaml:"event-name"` // IFTTT event name
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}
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func (cfg *Config) Validate() error {
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if len(cfg.WebhookKey) == 0 {
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return ErrWebhookKeyNotSet
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}
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if len(cfg.EventName) == 0 {
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return ErrEventNameNotSet
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}
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return nil
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}
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func (cfg *Config) Merge(override *Config) {
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if len(override.WebhookKey) > 0 {
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cfg.WebhookKey = override.WebhookKey
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}
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if len(override.EventName) > 0 {
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cfg.EventName = override.EventName
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}
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}
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// AlertProvider is the configuration necessary for sending an alert using IFTTT
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type AlertProvider struct {
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DefaultConfig Config `yaml:",inline"`
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// DefaultAlert is the default alert configuration to use for endpoints with an alert of the appropriate type
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DefaultAlert *alert.Alert `yaml:"default-alert,omitempty"`
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// Overrides is a list of Override that may be prioritized over the default configuration
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Overrides []Override `yaml:"overrides,omitempty"`
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}
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// Override is a case under which the default integration is overridden
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type Override struct {
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Group string `yaml:"group"`
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Config `yaml:",inline"`
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}
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// Validate the provider's configuration
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func (provider *AlertProvider) Validate() error {
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registeredGroups := make(map[string]bool)
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if provider.Overrides != nil {
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for _, override := range provider.Overrides {
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if isAlreadyRegistered := registeredGroups[override.Group]; isAlreadyRegistered || override.Group == "" {
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return ErrDuplicateGroupOverride
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}
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registeredGroups[override.Group] = true
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}
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}
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return provider.DefaultConfig.Validate()
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}
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// Send an alert using the provider
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func (provider *AlertProvider) Send(ep *endpoint.Endpoint, alert *alert.Alert, result *endpoint.Result, resolved bool) error {
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cfg, err := provider.GetConfig(ep.Group, alert)
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if err != nil {
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return err
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}
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url := fmt.Sprintf("https://maker.ifttt.com/trigger/%s/with/key/%s", cfg.EventName, cfg.WebhookKey)
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body, err := provider.buildRequestBody(ep, alert, result, resolved)
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if err != nil {
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return err
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}
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buffer := bytes.NewBuffer(body)
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request, err := http.NewRequest(http.MethodPost, url, buffer)
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if err != nil {
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return err
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}
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request.Header.Set("Content-Type", "application/json")
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response, err := client.GetHTTPClient(nil).Do(request)
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if err != nil {
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return err
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}
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defer response.Body.Close()
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if response.StatusCode >= 400 {
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body, _ := io.ReadAll(response.Body)
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return fmt.Errorf("call to ifttt alert returned status code %d: %s", response.StatusCode, string(body))
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}
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return err
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}
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type Body struct {
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Value1 string `json:"value1"` // Alert status/title
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Value2 string `json:"value2"` // Alert message
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Value3 string `json:"value3"` // Additional details
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}
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// buildRequestBody builds the request body for the provider
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func (provider *AlertProvider) buildRequestBody(ep *endpoint.Endpoint, alert *alert.Alert, result *endpoint.Result, resolved bool) ([]byte, error) {
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var value1, value2, value3 string
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if resolved {
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value1 = fmt.Sprintf("✅ RESOLVED: %s", ep.DisplayName())
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value2 = fmt.Sprintf("Alert has been resolved after passing successfully %d time(s) in a row", alert.SuccessThreshold)
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} else {
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value1 = fmt.Sprintf("🚨 ALERT: %s", ep.DisplayName())
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value2 = fmt.Sprintf("Endpoint has failed %d time(s) in a row", alert.FailureThreshold)
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}
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// Build additional details
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value3 = fmt.Sprintf("Endpoint: %s", ep.DisplayName())
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if ep.Group != "" {
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value3 += fmt.Sprintf(" | Group: %s", ep.Group)
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}
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if alertDescription := alert.GetDescription(); len(alertDescription) > 0 {
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value3 += fmt.Sprintf(" | Description: %s", alertDescription)
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}
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// Add condition results summary
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if len(result.ConditionResults) > 0 {
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successCount := 0
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for _, conditionResult := range result.ConditionResults {
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if conditionResult.Success {
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successCount++
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}
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}
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value3 += fmt.Sprintf(" | Conditions: %d/%d passed", successCount, len(result.ConditionResults))
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}
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body := Body{
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Value1: value1,
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Value2: value2,
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Value3: value3,
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}
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bodyAsJSON, err := json.Marshal(body)
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if err != nil {
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return nil, err
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}
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return bodyAsJSON, nil
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}
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// GetDefaultAlert returns the provider's default alert configuration
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func (provider *AlertProvider) GetDefaultAlert() *alert.Alert {
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return provider.DefaultAlert
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}
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// GetConfig returns the configuration for the provider with the overrides applied
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func (provider *AlertProvider) GetConfig(group string, alert *alert.Alert) (*Config, error) {
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cfg := provider.DefaultConfig
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// Handle group overrides
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if provider.Overrides != nil {
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for _, override := range provider.Overrides {
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if group == override.Group {
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cfg.Merge(&override.Config)
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break
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}
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}
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}
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// Handle alert overrides
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if len(alert.ProviderOverride) != 0 {
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overrideConfig := Config{}
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if err := yaml.Unmarshal(alert.ProviderOverrideAsBytes(), &overrideConfig); err != nil {
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return nil, err
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}
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cfg.Merge(&overrideConfig)
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}
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// Validate the configuration
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err := cfg.Validate()
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return &cfg, err
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}
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// ValidateOverrides validates the alert's provider override and, if present, the group override
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func (provider *AlertProvider) ValidateOverrides(group string, alert *alert.Alert) error {
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_, err := provider.GetConfig(group, alert)
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return err
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}
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154
alerting/provider/ifttt/ifttt_test.go
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154
alerting/provider/ifttt/ifttt_test.go
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@@ -0,0 +1,154 @@
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package ifttt
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import (
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"encoding/json"
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"net/http"
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"strings"
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"testing"
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"github.com/TwiN/gatus/v5/alerting/alert"
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"github.com/TwiN/gatus/v5/client"
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"github.com/TwiN/gatus/v5/config/endpoint"
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"github.com/TwiN/gatus/v5/test"
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)
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func TestAlertProvider_Validate(t *testing.T) {
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scenarios := []struct {
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name string
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provider AlertProvider
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expected error
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}{
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{
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name: "valid",
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provider: AlertProvider{DefaultConfig: Config{WebhookKey: "ifttt-webhook-key-123", EventName: "gatus_alert"}},
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expected: nil,
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},
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{
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name: "invalid-webhook-key",
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provider: AlertProvider{DefaultConfig: Config{EventName: "gatus_alert"}},
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expected: ErrWebhookKeyNotSet,
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},
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{
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name: "invalid-event-name",
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provider: AlertProvider{DefaultConfig: Config{WebhookKey: "ifttt-webhook-key-123"}},
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expected: ErrEventNameNotSet,
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},
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}
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for _, scenario := range scenarios {
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t.Run(scenario.name, func(t *testing.T) {
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err := scenario.provider.Validate()
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if err != scenario.expected {
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t.Errorf("expected %v, got %v", scenario.expected, err)
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}
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})
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}
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}
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func TestAlertProvider_Send(t *testing.T) {
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defer client.InjectHTTPClient(nil)
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firstDescription := "description-1"
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secondDescription := "description-2"
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scenarios := []struct {
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name string
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provider AlertProvider
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alert alert.Alert
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resolved bool
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mockRoundTripper test.MockRoundTripper
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expectedError bool
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}{
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{
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name: "triggered",
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provider: AlertProvider{DefaultConfig: Config{WebhookKey: "ifttt-webhook-key-123", EventName: "gatus_alert"}},
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alert: alert.Alert{Description: &firstDescription, SuccessThreshold: 5, FailureThreshold: 3},
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resolved: false,
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mockRoundTripper: test.MockRoundTripper(func(r *http.Request) *http.Response {
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if r.Host != "maker.ifttt.com" {
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t.Errorf("expected host maker.ifttt.com, got %s", r.Host)
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}
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if r.URL.Path != "/trigger/gatus_alert/with/key/ifttt-webhook-key-123" {
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t.Errorf("expected path /trigger/gatus_alert/with/key/ifttt-webhook-key-123, got %s", r.URL.Path)
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}
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body := make(map[string]interface{})
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json.NewDecoder(r.Body).Decode(&body)
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value1 := body["value1"].(string)
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if !strings.Contains(value1, "ALERT") {
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t.Errorf("expected value1 to contain 'ALERT', got %s", value1)
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}
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value2 := body["value2"].(string)
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if !strings.Contains(value2, "failed 3 time(s)") {
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t.Errorf("expected value2 to contain failure count, got %s", value2)
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}
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value3 := body["value3"].(string)
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if !strings.Contains(value3, "Endpoint: endpoint-name") {
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t.Errorf("expected value3 to contain endpoint details, got %s", value3)
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}
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return &http.Response{StatusCode: http.StatusOK, Body: http.NoBody}
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}),
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expectedError: false,
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},
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{
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name: "resolved",
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provider: AlertProvider{DefaultConfig: Config{WebhookKey: "ifttt-webhook-key-123", EventName: "gatus_resolved"}},
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alert: alert.Alert{Description: &secondDescription, SuccessThreshold: 5, FailureThreshold: 3},
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resolved: true,
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mockRoundTripper: test.MockRoundTripper(func(r *http.Request) *http.Response {
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if r.URL.Path != "/trigger/gatus_resolved/with/key/ifttt-webhook-key-123" {
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t.Errorf("expected path /trigger/gatus_resolved/with/key/ifttt-webhook-key-123, got %s", r.URL.Path)
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}
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body := make(map[string]interface{})
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json.NewDecoder(r.Body).Decode(&body)
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value1 := body["value1"].(string)
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if !strings.Contains(value1, "RESOLVED") {
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t.Errorf("expected value1 to contain 'RESOLVED', got %s", value1)
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}
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value3 := body["value3"].(string)
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if !strings.Contains(value3, "Endpoint: endpoint-name") {
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t.Errorf("expected value3 to contain endpoint details, got %s", value3)
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}
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return &http.Response{StatusCode: http.StatusOK, Body: http.NoBody}
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}),
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expectedError: false,
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},
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{
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name: "error-response",
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provider: AlertProvider{DefaultConfig: Config{WebhookKey: "ifttt-webhook-key-123", EventName: "gatus_alert"}},
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alert: alert.Alert{Description: &firstDescription, SuccessThreshold: 5, FailureThreshold: 3},
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resolved: false,
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mockRoundTripper: test.MockRoundTripper(func(r *http.Request) *http.Response {
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return &http.Response{StatusCode: http.StatusUnauthorized, Body: http.NoBody}
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}),
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expectedError: true,
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},
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}
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for _, scenario := range scenarios {
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t.Run(scenario.name, func(t *testing.T) {
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client.InjectHTTPClient(&http.Client{Transport: scenario.mockRoundTripper})
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err := scenario.provider.Send(
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&endpoint.Endpoint{Name: "endpoint-name"},
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&scenario.alert,
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&endpoint.Result{
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ConditionResults: []*endpoint.ConditionResult{
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{Condition: "[CONNECTED] == true", Success: scenario.resolved},
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{Condition: "[STATUS] == 200", Success: scenario.resolved},
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},
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},
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scenario.resolved,
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)
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if scenario.expectedError && err == nil {
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t.Error("expected error, got none")
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}
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if !scenario.expectedError && err != nil {
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t.Error("expected no error, got", err.Error())
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}
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})
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}
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}
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func TestAlertProvider_GetDefaultAlert(t *testing.T) {
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if (&AlertProvider{DefaultAlert: &alert.Alert{}}).GetDefaultAlert() == nil {
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t.Error("expected default alert to be not nil")
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}
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if (&AlertProvider{DefaultAlert: nil}).GetDefaultAlert() != nil {
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t.Error("expected default alert to be nil")
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}
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}
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