apiVersion: monitoring.coreos.com/v1
kind: PrometheusRule
metadata:
  labels:
    prometheus: posmon
    role: alert-rules
  name: posmon-rules
  namespace: posmon
spec:
  groups:
  - name: ./posmon.rules
    rules:
    - alert: TargetDown
      expr: probe_success < 1
      labels:
        severity: critical
      annotations:
        description: The target {{$labels.instance}} is down
        title: Target Down