mirror of
https://github.com/TwiN/gatus.git
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100 lines
3.2 KiB
Go
100 lines
3.2 KiB
Go
package pagerduty
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import (
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"fmt"
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"net/http"
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"github.com/TwiN/gatus/v3/alerting/alert"
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"github.com/TwiN/gatus/v3/alerting/provider/custom"
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"github.com/TwiN/gatus/v3/core"
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)
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const (
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restAPIURL = "https://events.pagerduty.com/v2/enqueue"
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)
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// AlertProvider is the configuration necessary for sending an alert using PagerDuty
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type AlertProvider struct {
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IntegrationKey string `yaml:"integration-key"`
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// DefaultAlert is the default alert configuration to use for services with an alert of the appropriate type
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DefaultAlert *alert.Alert `yaml:"default-alert"`
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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"`
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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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IntegrationKey string `yaml:"integration-key"`
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}
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// IsValid returns whether the provider's configuration is valid
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func (provider *AlertProvider) IsValid() bool {
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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 == "" || len(override.IntegrationKey) != 32 {
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return false
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}
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registeredGroups[override.Group] = true
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}
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}
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// Either the default integration key has the right length, or there are overrides who are properly configured.
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return len(provider.IntegrationKey) == 32 || len(provider.Overrides) != 0
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}
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// ToCustomAlertProvider converts the provider into a custom.AlertProvider
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//
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// relevant: https://developer.pagerduty.com/docs/events-api-v2/trigger-events/
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func (provider *AlertProvider) ToCustomAlertProvider(service *core.Service, alert *alert.Alert, _ *core.Result, resolved bool) *custom.AlertProvider {
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var message, eventAction, resolveKey string
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if resolved {
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message = fmt.Sprintf("RESOLVED: %s - %s", service.Name, alert.GetDescription())
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eventAction = "resolve"
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resolveKey = alert.ResolveKey
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} else {
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message = fmt.Sprintf("TRIGGERED: %s - %s", service.Name, alert.GetDescription())
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eventAction = "trigger"
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resolveKey = ""
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}
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return &custom.AlertProvider{
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URL: restAPIURL,
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Method: http.MethodPost,
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Body: fmt.Sprintf(`{
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"routing_key": "%s",
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"dedup_key": "%s",
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"event_action": "%s",
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"payload": {
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"summary": "%s",
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"source": "%s",
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"severity": "critical"
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}
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}`, provider.getPagerDutyIntegrationKeyForGroup(service.Group), resolveKey, eventAction, message, service.Name),
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Headers: map[string]string{
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"Content-Type": "application/json",
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},
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}
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}
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// getPagerDutyIntegrationKeyForGroup returns the appropriate pagerduty integration key for a given group
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func (provider *AlertProvider) getPagerDutyIntegrationKeyForGroup(group string) string {
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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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return override.IntegrationKey
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}
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}
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}
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if provider.IntegrationKey != "" {
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return provider.IntegrationKey
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}
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return ""
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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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