Alert Manager

Distro	Alertmanager
Type
Deploy	helm-chart
Docs	link
Backup
Scaling
CLI
UI	web

Setup

kube-prometheus-stack:

  alertmanager:
    enabled: true
    serviceMonitor:
      selfMonitor: true

  defaultRules:
    create: true
    rules:
      etcd: false
      kubeApiserverAvailability: false
      kubeApiserverBurnrate: false
      kubeApiserverHistogram: false
      kubeApiserverSlos: false
      kubeControllerManager: false
      kubeProxy: false
      kubeSchedulerAlerting: false
      kubeSchedulerRecording: false

  # kubernetesServiceMonitors:
  #   enabled: false
  kubeApiServer:
    enabled: false
  # kubelet:
  #   enabled: false
  kubeControllerManager:
    enabled: false
  coreDns:
    enabled: false
  kubeEtcd:
    enabled: false
  kubeScheduler:
    enabled: false
  kubeProxy:
    enabled: false

Usecases

Basic: create own PrometheusRule, receive an Alert

Common:

🔄 Monitoring

Grafana Dashboard

https://grafana.com/grafana/dashboards/9578-alertmanager/ (uses deprecated Angular, need to be patched)

Maintenence

• Backup / Restore
• Scaling
• Upgrade

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Articles

• Prometheus Stack Architecture