mirror of
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114 lines
3.5 KiB
Go
114 lines
3.5 KiB
Go
package notifiers
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import (
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"encoding/json"
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"time"
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"github.com/grafana/grafana/pkg/bus"
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"github.com/grafana/grafana/pkg/log"
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"github.com/grafana/grafana/pkg/metrics"
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"github.com/grafana/grafana/pkg/models"
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"github.com/grafana/grafana/pkg/services/alerting"
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"github.com/grafana/grafana/pkg/setting"
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)
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// AlertStateCritical - Victorops uses "CRITICAL" string to indicate "Alerting" state
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const AlertStateCritical = "CRITICAL"
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func init() {
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alerting.RegisterNotifier(&alerting.NotifierPlugin{
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Type: "victorops",
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Name: "VictorOps",
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Description: "Sends notifications to VictorOps",
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Factory: NewVictoropsNotifier,
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OptionsTemplate: `
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<h3 class="page-heading">VictorOps settings</h3>
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<div class="gf-form">
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<span class="gf-form-label width-6">Url</span>
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<input type="text" required class="gf-form-input max-width-30" ng-model="ctrl.model.settings.url" placeholder="VictorOps url"></input>
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</div>
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`,
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})
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}
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// NewVictoropsNotifier creates an instance of VictoropsNotifier that
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// handles posting notifications to Victorops REST API
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func NewVictoropsNotifier(model *models.AlertNotification) (alerting.Notifier, error) {
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url := model.Settings.Get("url").MustString()
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if url == "" {
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return nil, alerting.ValidationError{Reason: "Could not find victorops url property in settings"}
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}
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return &VictoropsNotifier{
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NotifierBase: NewNotifierBase(model.Id, model.IsDefault, model.Name, model.Type, model.Settings),
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URL: url,
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log: log.New("alerting.notifier.victorops"),
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}, nil
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}
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// VictoropsNotifier defines URL property for Victorops REST API
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// and handles notification process by formatting POST body according to
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// Victorops specifications (http://victorops.force.com/knowledgebase/articles/Integration/Alert-Ingestion-API-Documentation/)
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type VictoropsNotifier struct {
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NotifierBase
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URL string
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log log.Logger
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}
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// Notify sends notification to Victorops via POST to URL endpoint
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func (this *VictoropsNotifier) Notify(evalContext *alerting.EvalContext) error {
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this.log.Info("Executing victorops notification", "ruleId", evalContext.Rule.Id, "notification", this.Name)
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metrics.M_Alerting_Notification_Sent_Victorops.Inc(1)
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ruleUrl, err := evalContext.GetRuleUrl()
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if err != nil {
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this.log.Error("Failed get rule link", "error", err)
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return err
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}
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fields := make([]map[string]interface{}, 0)
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fieldLimitCount := 4
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for index, evt := range evalContext.EvalMatches {
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fields = append(fields, map[string]interface{}{
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"title": evt.Metric,
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"value": evt.Value,
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"short": true,
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})
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if index > fieldLimitCount {
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break
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}
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}
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if evalContext.Error != nil {
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fields = append(fields, map[string]interface{}{
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"title": "Error message",
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"value": evalContext.Error.Error(),
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"short": false,
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})
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}
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messageType := evalContext.Rule.State
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if evalContext.Rule.State == models.AlertStateAlerting { // translate 'Alerting' to 'CRITICAL' (Victorops analog)
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messageType = AlertStateCritical
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}
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body := map[string]interface{}{
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"message_type": messageType,
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"entity_id": evalContext.Rule.Name,
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"timestamp": time.Now().Unix(),
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"state_start_time": evalContext.StartTime.Unix(),
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"state_message": evalContext.Rule.Message + "\n" + ruleUrl,
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"monitoring_tool": "Grafana v" + setting.BuildVersion,
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}
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data, _ := json.Marshal(&body)
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cmd := &models.SendWebhookSync{Url: this.URL, Body: string(data)}
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if err := bus.DispatchCtx(evalContext.Ctx, cmd); err != nil {
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this.log.Error("Failed to send victorops notification", "error", err, "webhook", this.Name)
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return err
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}
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return nil
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}
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