alertmanager: if there are no alerts to send, do nothing

777c1024 · Corentin Chary · eef01e37 · 777c1024
Commit 777c1024 authored Mar 15, 2018 by Corentin Chary
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pkg/services/alerting/notifiers/alertmanager.go
+4 -0

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--- a/pkg/services/alerting/notifiers/alertmanager.go
+++ b/pkg/services/alerting/notifiers/alertmanager.go
@@ -78,6 +78,10 @@ func (this *AlertmanagerNotifier) Notify(evalContext *alerting.EvalContext) erro
 		alerts = append(alerts, alertJSON)
 	}

+	if len(alerts) == 0 {
+		return nil
+	}
+
 	bodyJSON := simplejson.NewFromAny(alerts)
 	body, _ := bodyJSON.MarshalJSON()