groups:

- name: EmbeddedExporterPatroni

  
  rules:

    # 1m delay allows a restart without triggering an alert.
    - alert: PatroniHasNoLeader
      expr: '(max by (scope) (patroni_primary) < 1) and (max by (scope) (patroni_standby_leader) < 1)'
      for: 1m
      labels:
        severity: critical
      annotations:
        summary: Patroni has no Leader (instance {{ $labels.instance }})
        description: "A leader node (neither primary nor standby) cannot be found inside the cluster {{ $labels.scope }}\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"