grafana/pkg/services/alerting/notifiers/victorops.go

114 lines
3.5 KiB
Go

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