hongbo-miao/hongbomiao.com

---
groups:
  - name: alert_rules
    rules:
      - alert: InstanceDown
        expr: up == 0
        for: 10s
        labels:
          severity: critical
        annotations:
          summary: "Instance {{ $labels.instance }} down"
          description: "{{ $labels.instance }} of job {{ $labels.job }} has been down for more than 10 seconds."

      - alert: HostHighCPULoad
        expr: 100 - (avg by(instance) (rate(node_cpu_seconds_total{mode="idle"}[2m])) * 100) > 80
        for: 10s
        labels:
          severity: warning
        annotations:
          summary: "Host high CPU load (instance {{ $labels.instance }})"
          description: "CPU load is > 80%\n  VALUE = {{ $value }}\n  LABELS: {{ $labels }}"