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kubernetesprometheus-alertmanagerprometheus-operator

Prometheus operator AlertmanagerConfig unknown field "webhook_configs"

After applying these manifests https://github.com/prometheus-operator/kube-prometheus/blob/main/kustomization.yaml I want to create AlertManager webhook:

apiVersion: monitoring.coreos.com/v1alpha1
kind: AlertmanagerConfig
metadata:
  name: custom
spec:
  route:
    receiver: custom
    groupBy: ['job']
    groupWait: 30s
    groupInterval: 5m
    repeatInterval: 12h
  receivers:
    - name: custom
      webhook_configs:
        - send_resolved: true
          url: https://example.com

getting an error:

error: error validating "alertmanagerconfig.yaml": error validating data: ValidationError(AlertmanagerConfig.spec.receivers[0]): unknown field "webhook_configs" in com.coreos.monitoring.v1alpha1.AlertmanagerConfig.spec.receivers; if you choose to ignore these errors, turn validation off with --validate=false

How to fix that?

Solution

  • I solved this issue by generating Kubernetes secret named alertmanager-main using this yaml:

    global:
  #skipped
route:
  group_by: ['job']
  receiver: Default
  routes:
    - receiver: Watchdog
      repeat_interval: 1m
      match:
        alertname: Watchdog  

receivers:
  - name: Watchdog
    webhook_configs:
      - url: https://my.watchdog.webhook.url

  # Other things

    This is Alert Manager config.

    I am answering my question after some time and probably this issue with the Prometheus Operator CRD is fixed by now.