# 使用 Patroni 原生指标及现有 Alertmanager；不新增监控栈。
apiVersion: operator.victoriametrics.com/v1beta1
kind: VMRule
metadata:
  name: shared-postgresql
  namespace: monitoring
spec:
  groups:
    - name: shared-postgresql
      rules:
        - alert: SharedPostgresMemberUnavailable
          expr: up{job="shared-postgresql-patroni"} == 0
          for: 2m
          labels: {severity: warning, service: shared-postgresql}
          annotations:
            summary: '共享 PG 成员 {{ $labels.member }} 无法采集'
        - alert: SharedPostgresNoObservedPrimary
          expr: (sum(patroni_primary{job="shared-postgresql-patroni"}) or vector(0)) == 0
          for: 1m
          labels: {severity: critical, service: shared-postgresql}
          annotations:
            summary: 共享 PG 监控未观察到 primary，请检查实际角色和入口
        - alert: SharedPostgresMultiplePrimaries
          expr: sum(patroni_primary{job="shared-postgresql-patroni"}) > 1
          for: 30s
          labels: {severity: critical, service: shared-postgresql}
          annotations:
            summary: 共享 PG 监控观察到多个 primary，需立即核实
        - alert: SharedPostgresReplicaNotStreaming
          expr: patroni_replica{job="shared-postgresql-patroni"} == 1 and patroni_postgres_streaming{job="shared-postgresql-patroni"} == 0
          for: 2m
          labels: {severity: warning, service: shared-postgresql}
          annotations:
            summary: '共享 PG replica {{ $labels.member }} 没有流复制'
        - alert: SharedPostgresProcessDown
          expr: patroni_postgres_running{job="shared-postgresql-patroni"} == 0
          for: 1m
          labels: {severity: critical, service: shared-postgresql}
          annotations:
            summary: '共享 PG 成员 {{ $labels.member }} 数据库进程未运行'