# 参考 Pigsty v4.5.0 etcd 指标与阈值，适配原生 up 和现有标签；无 Pigsty UI 依赖。
apiVersion: operator.victoriametrics.com/v1beta1
kind: VMRule
metadata:
  name: shared-etcd
  namespace: monitoring
spec:
  groups:
  - name: shared-etcd
    rules:
    - alert: SharedEtcdMemberUnavailable
      expr: up{job="shared-etcd"} == 0
      for: 2m
      labels:
        severity: warning
        service: shared-etcd
      annotations:
        summary: 共享 etcd 成员 {{ $labels.member }} 无法采集
    - alert: SharedEtcdMonitoringQuorumUnavailable
      expr: (sum(up{job="shared-etcd"}) or vector(0)) < 2
      for: 2m
      labels:
        severity: critical
        service: shared-etcd
      annotations:
        summary: 共享 etcd 不足两个成员可采集，请用 endpoint health 核实 quorum
    - alert: SharedEtcdNoLeader
      expr: etcd_server_has_leader{job="shared-etcd"} == 0
      for: 1m
      labels:
        severity: critical
        service: shared-etcd
      annotations:
        summary: 共享 etcd 成员 {{ $labels.member }} 无法确认 leader
    - alert: SharedEtcdQuotaHigh
      expr: etcd_mvcc_db_total_size_in_bytes{job="shared-etcd"} / etcd_server_quota_backend_bytes{job="shared-etcd"}
        > 0.8
      for: 10m
      labels:
        severity: warning
        service: shared-etcd
      annotations:
        summary: 共享 etcd 后端容量超过 80%
    - alert: SharedEtcdSlowFsync
      expr: histogram_quantile(0.95, rate(etcd_disk_wal_fsync_duration_seconds_bucket{job="shared-etcd"}[5m]))
        > 0.05
      for: 10m
      labels:
        severity: warning
        service: shared-etcd
      annotations:
        summary: 共享 etcd {{ $labels.member }} WAL fsync p95 超过 50ms
    - alert: SharedEtcdFrequentElections
      expr: increase(etcd_server_leader_changes_seen_total{job="shared-etcd"}[15m])
        > 3
      for: 5m
      labels:
        severity: warning
        service: shared-etcd
      annotations:
        summary: 共享 etcd 15 分钟内多次选举