# helm_charts_kubernetes-system-controller-manager.yaml
{{- /*
Generated from 'kubernetes-system-controller-manager' group from https://raw.githubusercontent.com/coreos/kube-prometheus/master/manifests/prometheus-rules.yaml
Do not change in-place! In order to change this file first read following link:
https://github.com/helm/charts/tree/master/stable/prometheus-operator/hack
*/ -}}
{{- $kubeTargetVersion := default .Capabilities.KubeVersion.GitVersion .Values.kubeTargetVersionOverride }}
{{- if and (semverCompare ">=1.14.0-0" $kubeTargetVersion) (semverCompare "<9.9.9-9" $kubeTargetVersion) .Values.defaultRules.create .Values.kubeControllerManager.enabled }}
apiVersion: monitoring.coreos.com/v1
kind: PrometheusRule
metadata:
  name: {{ printf "%s-%s" (include "prometheus-operator.fullname" .) "kubernetes-system-controller-manager" | trunc 63 | trimSuffix "-" }}
  namespace: {{ template "prometheus-operator.namespace" . }}
  labels:
    app: {{ template "prometheus-operator.name" . }}
{{ include "prometheus-operator.labels" . | indent 4 }}
{{- if .Values.defaultRules.labels }}
{{ toYaml .Values.defaultRules.labels | indent 4 }}
{{- end }}
{{- if .Values.defaultRules.annotations }}
  annotations:
{{ toYaml .Values.defaultRules.annotations | indent 4 }}
{{- end }}
spec:
  groups:
  - name: kubernetes-system-controller-manager
    rules:
{{- if .Values.kubeControllerManager.enabled }}
    - alert: KubeControllerManagerDown
      annotations:
        message: KubeControllerManager has disappeared from Prometheus target discovery.
        runbook_url: {{ .Values.defaultRules.runbookUrl }}alert-name-kubecontrollermanagerdown
      expr: absent(up{job="kube-controller-manager"} == 1)
      for: 15m
      labels:
        severity: critical
{{- end }}
{{- end }}