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Alerting: Truncate PagerDuty summary when greater than 1024 characters (#18730)

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Requests to PagerDuty fail with an HTTP 400 if the `summary` 
attribute contains more than 1024 characters, this fixes this.
API spec:
https://v2.developer.pagerduty.com/docs/send-an-event-events-api-v2

Fixes #18727
This commit is contained in:
Andrew Rabert 2019-09-20 04:39:27 -04:00 committed by Marcus Efraimsson
parent 54ebf174a0
commit 8a991244d5
1 changed files with 7 additions and 1 deletions
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8
pkg/services/alerting/notifiers/pagerduty.go
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@ -88,7 +88,13 @@ func (pn *PagerdutyNotifier) Notify(evalContext *alerting.EvalContext) error {
pn.log.Info("Notifying Pagerduty", "event_type", eventType)
payloadJSON := simplejson.New()
payloadJSON.Set("summary", evalContext.Rule.Name+" - "+evalContext.Rule.Message)
summary := evalContext.Rule.Name + " - " + evalContext.Rule.Message
if len(summary) > 1024 {
summary = summary[0:1024]
}
payloadJSON.Set("summary", summary)
if hostname, err := os.Hostname(); err == nil {
payloadJSON.Set("source", hostname)
}