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
184
alerting/provider/signl4/signl4.go
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184
alerting/provider/signl4/signl4.go
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@@ -0,0 +1,184 @@
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package signl4
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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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ErrTeamSecretNotSet = errors.New("team-secret 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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TeamSecret string `yaml:"team-secret"` // SIGNL4 team secret
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}
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func (cfg *Config) Validate() error {
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if len(cfg.TeamSecret) == 0 {
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return ErrTeamSecretNotSet
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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.TeamSecret) > 0 {
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cfg.TeamSecret = override.TeamSecret
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}
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}
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// AlertProvider is the configuration necessary for sending an alert using SIGNL4
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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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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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webhookURL := fmt.Sprintf("https://connect.signl4.com/webhook/%s", cfg.TeamSecret)
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request, err := http.NewRequest(http.MethodPost, webhookURL, 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 signl4 alert returned status code %d: %s", response.StatusCode, string(body))
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}
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return nil
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}
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type Body struct {
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Title string `json:"Title"`
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Message string `json:"Message"`
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XS4Service string `json:"X-S4-Service"`
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XS4Status string `json:"X-S4-Status"`
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XS4ExternalID string `json:"X-S4-ExternalID"`
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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 title, message, status string
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if resolved {
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title = fmt.Sprintf("RESOLVED: %s", ep.DisplayName())
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message = fmt.Sprintf("An alert for %s has been resolved after passing successfully %d time(s) in a row", ep.DisplayName(), alert.SuccessThreshold)
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status = "resolved"
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} else {
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title = fmt.Sprintf("TRIGGERED: %s", ep.DisplayName())
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message = fmt.Sprintf("An alert for %s has been triggered due to having failed %d time(s) in a row", ep.DisplayName(), alert.FailureThreshold)
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status = "new"
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}
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var conditionResults string
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if len(result.ConditionResults) > 0 {
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conditionResults = "\n\nCondition results:\n"
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for _, conditionResult := range result.ConditionResults {
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var prefix string
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if conditionResult.Success {
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prefix = "✓"
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} else {
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prefix = "✗"
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}
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conditionResults += fmt.Sprintf("%s %s\n", prefix, conditionResult.Condition)
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}
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}
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if alertDescription := alert.GetDescription(); len(alertDescription) > 0 {
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message += "\n\nDescription: " + alertDescription
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}
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message += conditionResults
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body := Body{
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Title: title,
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Message: message,
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XS4Service: ep.DisplayName(),
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XS4Status: status,
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XS4ExternalID: fmt.Sprintf("gatus-%s", ep.Key()),
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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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392
alerting/provider/signl4/signl4_test.go
Normal file
392
alerting/provider/signl4/signl4_test.go
Normal file
@@ -0,0 +1,392 @@
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package signl4
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import (
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"encoding/json"
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"net/http"
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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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invalidProvider := AlertProvider{DefaultConfig: Config{TeamSecret: ""}}
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if err := invalidProvider.Validate(); err == nil {
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t.Error("provider shouldn't have been valid")
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}
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validProvider := AlertProvider{DefaultConfig: Config{TeamSecret: "team-secret-123"}}
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if err := validProvider.Validate(); err != nil {
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t.Error("provider should've been valid")
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}
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}
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func TestAlertProvider_ValidateWithOverride(t *testing.T) {
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providerWithInvalidOverrideGroup := AlertProvider{
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Overrides: []Override{
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{
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Config: Config{TeamSecret: "team-secret-123"},
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Group: "",
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},
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},
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}
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if err := providerWithInvalidOverrideGroup.Validate(); err == nil {
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t.Error("provider Group shouldn't have been valid")
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}
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providerWithInvalidOverrideTo := AlertProvider{
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Overrides: []Override{
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{
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Config: Config{TeamSecret: ""},
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Group: "group",
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},
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},
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}
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if err := providerWithInvalidOverrideTo.Validate(); err == nil {
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t.Error("provider team secret shouldn't have been valid")
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}
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providerWithValidOverride := AlertProvider{
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DefaultConfig: Config{TeamSecret: "team-secret-123"},
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Overrides: []Override{
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{
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Config: Config{TeamSecret: "team-secret-override"},
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Group: "group",
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},
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},
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}
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if err := providerWithValidOverride.Validate(); err != nil {
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t.Error("provider should've been valid")
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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{TeamSecret: "team-secret-123"}},
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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.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: "triggered-error",
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Provider: AlertProvider{DefaultConfig: Config{TeamSecret: "team-secret-123"}},
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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.StatusInternalServerError, 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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Name: "resolved",
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Provider: AlertProvider{DefaultConfig: Config{TeamSecret: "team-secret-123"}},
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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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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-error",
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Provider: AlertProvider{DefaultConfig: Config{TeamSecret: "team-secret-123"}},
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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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return &http.Response{StatusCode: http.StatusInternalServerError, 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_buildRequestBody(t *testing.T) {
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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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Endpoint endpoint.Endpoint
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Alert alert.Alert
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NoConditions bool
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Resolved bool
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ExpectedBody string
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}{
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{
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Name: "triggered",
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Provider: AlertProvider{},
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Endpoint: endpoint.Endpoint{Name: "name"},
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Alert: alert.Alert{Description: &firstDescription, SuccessThreshold: 5, FailureThreshold: 3},
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Resolved: false,
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ExpectedBody: "{\"Title\":\"TRIGGERED: name\",\"Message\":\"An alert for name has been triggered due to having failed 3 time(s) in a row\\n\\nDescription: description-1\\n\\nCondition results:\\n✗ [CONNECTED] == true\\n✗ [STATUS] == 200\\n\",\"X-S4-Service\":\"name\",\"X-S4-Status\":\"new\",\"X-S4-ExternalID\":\"gatus-_name\"}",
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},
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{
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Name: "triggered-with-group",
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Provider: AlertProvider{},
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Endpoint: endpoint.Endpoint{Name: "name", Group: "group"},
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Alert: alert.Alert{Description: &firstDescription, SuccessThreshold: 5, FailureThreshold: 3},
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Resolved: false,
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ExpectedBody: "{\"Title\":\"TRIGGERED: group/name\",\"Message\":\"An alert for group/name has been triggered due to having failed 3 time(s) in a row\\n\\nDescription: description-1\\n\\nCondition results:\\n✗ [CONNECTED] == true\\n✗ [STATUS] == 200\\n\",\"X-S4-Service\":\"group/name\",\"X-S4-Status\":\"new\",\"X-S4-ExternalID\":\"gatus-group_name\"}",
|
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},
|
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{
|
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Name: "triggered-with-no-conditions",
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NoConditions: true,
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Provider: AlertProvider{},
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Endpoint: endpoint.Endpoint{Name: "name"},
|
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Alert: alert.Alert{Description: &firstDescription, SuccessThreshold: 5, FailureThreshold: 3},
|
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Resolved: false,
|
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ExpectedBody: "{\"Title\":\"TRIGGERED: name\",\"Message\":\"An alert for name has been triggered due to having failed 3 time(s) in a row\\n\\nDescription: description-1\",\"X-S4-Service\":\"name\",\"X-S4-Status\":\"new\",\"X-S4-ExternalID\":\"gatus-_name\"}",
|
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},
|
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{
|
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Name: "resolved",
|
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Provider: AlertProvider{},
|
||||
Endpoint: endpoint.Endpoint{Name: "name"},
|
||||
Alert: alert.Alert{Description: &secondDescription, SuccessThreshold: 5, FailureThreshold: 3},
|
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Resolved: true,
|
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ExpectedBody: "{\"Title\":\"RESOLVED: name\",\"Message\":\"An alert for name has been resolved after passing successfully 5 time(s) in a row\\n\\nDescription: description-2\\n\\nCondition results:\\n✓ [CONNECTED] == true\\n✓ [STATUS] == 200\\n\",\"X-S4-Service\":\"name\",\"X-S4-Status\":\"resolved\",\"X-S4-ExternalID\":\"gatus-_name\"}",
|
||||
},
|
||||
{
|
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Name: "resolved-with-group",
|
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Provider: AlertProvider{},
|
||||
Endpoint: endpoint.Endpoint{Name: "name", Group: "group"},
|
||||
Alert: alert.Alert{Description: &secondDescription, SuccessThreshold: 5, FailureThreshold: 3},
|
||||
Resolved: true,
|
||||
ExpectedBody: "{\"Title\":\"RESOLVED: group/name\",\"Message\":\"An alert for group/name has been resolved after passing successfully 5 time(s) in a row\\n\\nDescription: description-2\\n\\nCondition results:\\n✓ [CONNECTED] == true\\n✓ [STATUS] == 200\\n\",\"X-S4-Service\":\"group/name\",\"X-S4-Status\":\"resolved\",\"X-S4-ExternalID\":\"gatus-group_name\"}",
|
||||
},
|
||||
}
|
||||
for _, scenario := range scenarios {
|
||||
t.Run(scenario.Name, func(t *testing.T) {
|
||||
var conditionResults []*endpoint.ConditionResult
|
||||
if !scenario.NoConditions {
|
||||
conditionResults = []*endpoint.ConditionResult{
|
||||
{Condition: "[CONNECTED] == true", Success: scenario.Resolved},
|
||||
{Condition: "[STATUS] == 200", Success: scenario.Resolved},
|
||||
}
|
||||
}
|
||||
body, err := scenario.Provider.buildRequestBody(
|
||||
&scenario.Endpoint,
|
||||
&scenario.Alert,
|
||||
&endpoint.Result{
|
||||
ConditionResults: conditionResults,
|
||||
},
|
||||
scenario.Resolved,
|
||||
)
|
||||
if err != nil {
|
||||
t.Fatalf("buildRequestBody returned an error: %v", err)
|
||||
}
|
||||
if string(body) != scenario.ExpectedBody {
|
||||
t.Errorf("expected:\n%s\ngot:\n%s", scenario.ExpectedBody, body)
|
||||
}
|
||||
out := make(map[string]interface{})
|
||||
if err := json.Unmarshal(body, &out); err != nil {
|
||||
t.Error("expected body to be valid JSON, got error:", err.Error())
|
||||
}
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
func TestAlertProvider_GetDefaultAlert(t *testing.T) {
|
||||
if (&AlertProvider{DefaultAlert: &alert.Alert{}}).GetDefaultAlert() == nil {
|
||||
t.Error("expected default alert to be not nil")
|
||||
}
|
||||
if (&AlertProvider{DefaultAlert: nil}).GetDefaultAlert() != nil {
|
||||
t.Error("expected default alert to be nil")
|
||||
}
|
||||
}
|
||||
|
||||
func TestAlertProvider_GetConfig(t *testing.T) {
|
||||
scenarios := []struct {
|
||||
Name string
|
||||
Provider AlertProvider
|
||||
InputGroup string
|
||||
InputAlert alert.Alert
|
||||
ExpectedOutput Config
|
||||
}{
|
||||
{
|
||||
Name: "provider-no-override-specify-no-group-should-default",
|
||||
Provider: AlertProvider{
|
||||
DefaultConfig: Config{TeamSecret: "team-secret-123"},
|
||||
Overrides: nil,
|
||||
},
|
||||
InputGroup: "",
|
||||
InputAlert: alert.Alert{},
|
||||
ExpectedOutput: Config{TeamSecret: "team-secret-123"},
|
||||
},
|
||||
{
|
||||
Name: "provider-no-override-specify-group-should-default",
|
||||
Provider: AlertProvider{
|
||||
DefaultConfig: Config{TeamSecret: "team-secret-123"},
|
||||
Overrides: nil,
|
||||
},
|
||||
InputGroup: "group",
|
||||
InputAlert: alert.Alert{},
|
||||
ExpectedOutput: Config{TeamSecret: "team-secret-123"},
|
||||
},
|
||||
{
|
||||
Name: "provider-with-override-specify-no-group-should-default",
|
||||
Provider: AlertProvider{
|
||||
DefaultConfig: Config{TeamSecret: "team-secret-123"},
|
||||
Overrides: []Override{
|
||||
{
|
||||
Group: "group",
|
||||
Config: Config{TeamSecret: "team-secret-override"},
|
||||
},
|
||||
},
|
||||
},
|
||||
InputGroup: "",
|
||||
InputAlert: alert.Alert{},
|
||||
ExpectedOutput: Config{TeamSecret: "team-secret-123"},
|
||||
},
|
||||
{
|
||||
Name: "provider-with-override-specify-group-should-override",
|
||||
Provider: AlertProvider{
|
||||
DefaultConfig: Config{TeamSecret: "team-secret-123"},
|
||||
Overrides: []Override{
|
||||
{
|
||||
Group: "group",
|
||||
Config: Config{TeamSecret: "team-secret-override"},
|
||||
},
|
||||
},
|
||||
},
|
||||
InputGroup: "group",
|
||||
InputAlert: alert.Alert{},
|
||||
ExpectedOutput: Config{TeamSecret: "team-secret-override"},
|
||||
},
|
||||
{
|
||||
Name: "provider-with-group-override-and-alert-override--alert-override-should-take-precedence",
|
||||
Provider: AlertProvider{
|
||||
DefaultConfig: Config{TeamSecret: "team-secret-123"},
|
||||
Overrides: []Override{
|
||||
{
|
||||
Group: "group",
|
||||
Config: Config{TeamSecret: "team-secret-override"},
|
||||
},
|
||||
},
|
||||
},
|
||||
InputGroup: "group",
|
||||
InputAlert: alert.Alert{ProviderOverride: map[string]any{"team-secret": "team-secret-alert"}},
|
||||
ExpectedOutput: Config{TeamSecret: "team-secret-alert"},
|
||||
},
|
||||
}
|
||||
for _, scenario := range scenarios {
|
||||
t.Run(scenario.Name, func(t *testing.T) {
|
||||
got, err := scenario.Provider.GetConfig(scenario.InputGroup, &scenario.InputAlert)
|
||||
if err != nil {
|
||||
t.Fatalf("unexpected error: %s", err)
|
||||
}
|
||||
if got.TeamSecret != scenario.ExpectedOutput.TeamSecret {
|
||||
t.Errorf("expected team secret to be %s, got %s", scenario.ExpectedOutput.TeamSecret, got.TeamSecret)
|
||||
}
|
||||
// Test ValidateOverrides as well, since it really just calls GetConfig
|
||||
if err = scenario.Provider.ValidateOverrides(scenario.InputGroup, &scenario.InputAlert); err != nil {
|
||||
t.Errorf("unexpected error: %s", err)
|
||||
}
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
func TestAlertProvider_GetConfigWithInvalidAlertOverride(t *testing.T) {
|
||||
// Test case 1: Empty override should be ignored, default config should be used
|
||||
provider := AlertProvider{
|
||||
DefaultConfig: Config{TeamSecret: "team-secret-123"},
|
||||
}
|
||||
alertWithEmptyOverride := alert.Alert{
|
||||
ProviderOverride: map[string]any{"team-secret": ""},
|
||||
}
|
||||
cfg, err := provider.GetConfig("", &alertWithEmptyOverride)
|
||||
if err != nil {
|
||||
t.Errorf("unexpected error: %v", err)
|
||||
}
|
||||
if cfg.TeamSecret != "team-secret-123" {
|
||||
t.Errorf("expected team secret to remain default 'team-secret-123', got %s", cfg.TeamSecret)
|
||||
}
|
||||
|
||||
// Test case 2: Invalid default config with no valid override should fail
|
||||
providerWithInvalidDefault := AlertProvider{
|
||||
DefaultConfig: Config{TeamSecret: ""},
|
||||
}
|
||||
alertWithEmptyOverride2 := alert.Alert{
|
||||
ProviderOverride: map[string]any{"team-secret": ""},
|
||||
}
|
||||
_, err = providerWithInvalidDefault.GetConfig("", &alertWithEmptyOverride2)
|
||||
if err == nil {
|
||||
t.Error("expected error due to invalid default config, got none")
|
||||
}
|
||||
if err != ErrTeamSecretNotSet {
|
||||
t.Errorf("expected ErrTeamSecretNotSet, got %v", err)
|
||||
}
|
||||
}
|
||||
|
||||
func TestAlertProvider_ValidateWithDuplicateGroupOverride(t *testing.T) {
|
||||
providerWithDuplicateOverride := AlertProvider{
|
||||
DefaultConfig: Config{TeamSecret: "team-secret-123"},
|
||||
Overrides: []Override{
|
||||
{
|
||||
Group: "group1",
|
||||
Config: Config{TeamSecret: "team-secret-override-1"},
|
||||
},
|
||||
{
|
||||
Group: "group1",
|
||||
Config: Config{TeamSecret: "team-secret-override-2"},
|
||||
},
|
||||
},
|
||||
}
|
||||
if err := providerWithDuplicateOverride.Validate(); err == nil {
|
||||
t.Error("provider should not have been valid due to duplicate group override")
|
||||
}
|
||||
if err := providerWithDuplicateOverride.Validate(); err != ErrDuplicateGroupOverride {
|
||||
t.Errorf("expected ErrDuplicateGroupOverride, got %v", providerWithDuplicateOverride.Validate())
|
||||
}
|
||||
}
|
||||
|
||||
func TestAlertProvider_ValidateOverridesWithInvalidAlert(t *testing.T) {
|
||||
provider := AlertProvider{
|
||||
DefaultConfig: Config{TeamSecret: ""},
|
||||
}
|
||||
alertWithEmptyOverride := alert.Alert{
|
||||
ProviderOverride: map[string]any{"team-secret": ""},
|
||||
}
|
||||
err := provider.ValidateOverrides("", &alertWithEmptyOverride)
|
||||
if err == nil {
|
||||
t.Error("expected error due to invalid default config, got none")
|
||||
}
|
||||
if err != ErrTeamSecretNotSet {
|
||||
t.Errorf("expected ErrTeamSecretNotSet, got %v", err)
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user