groups:
- name: kubernetes-system-controller-manager
  rules:
  - alert: KubeControllerManagerDown
    annotations:
      message: KubeControllerManager has disappeared from Prometheus target discovery.
      runbook_url: https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubecontrollermanagerdown
    expr: |
      up{job="kube-controller-manager"} == 0
    for: 15m
    labels:
      component: kubernetes
      oncall_team: dedicated_service
      severity: major
      response_class: ticket