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Alertmanager Webhook for Webex Teams

This programm connects Webex Teams as receiver for messages from Prometheus Alertmanager.

Installation

  1. Create a Bot in Webex Teams.
  2. Grab the generated access_token and invite the Bot in a channel.
  3. Call the API for the room_id
curl -s -X GET -H 'Authorization: Bearer XXXXXXXXXXXXX' https://webexapis.com/v1/rooms | jq .
  1. Create a K8S secret in the cattle-monitoring-system namespace (or another) with the credentials for Webex:
kubectl create secret generic mcsps-webex-receiver -n cattle-monitoring-system \
  --from-literal=WEBEX_TOKEN='XXXXXXXX' \
  --from-literal=WEBEX_ROOM='ZZZZZZZZZZZZ'
  1. Review namespace settings and apply workload and service to K8S
kubectl -n demoapp apply -f kubernetes/deployment.yaml
kubectl -n demoapp apply -f kubernetes/service.yaml
kubectl -n demoapp apply -f kubernetes/alertmanagerconfig.yaml

Hints

  • Webhook url has the form <service-name>.<namespace>.<cluster-domain>:port Can be adapt in the Receiver and the kubernetes/service.yaml if there is another location.

  • Only some basic labels are handled in webex/webex.py. This can be extend or more minimized. Webex API supports text and markdown message format.

  • Feature is on the way in Prometheus Operator/Alertmanager, so this app will go obseleted

Credits

@aixeshunter

Frank Kloeker f.kloeker@telekom.de

Life is for sharing. If you have an issue with the code or want to improve it, feel free to open an issue or an pull request.