# Author: fruit.com.cn
# Grafana 告警规则：服务下线 / 响应慢 / 磁盘满 自动通知。
# 需要在 Grafana UI 里配一个 Contact Point（飞书 webhook）并绑定到这些规则。

apiVersion: 1

groups:
  - orgId: 1
    name: fruitshorts-health
    folder: FruitShorts
    interval: 30s
    rules:
      # ── 服务下线 ──
      - uid: fruitshorts-app-down
        title: "app-api 下线"
        condition: C
        data:
          - refId: A
            relativeTimeRange: { from: 120, to: 0 }
            datasourceUid: prometheus
            model:
              expr: 'probe_success{instance=~"http://app-api:8081/.*"} == 0'
              refId: A
          - refId: C
            relativeTimeRange: { from: 0, to: 0 }
            datasourceUid: __expr__
            model:
              conditions:
                - evaluator: { params: [0.5], type: gt }
                  operator: { type: and }
                  query: { params: [A] }
                  reducer: { type: last }
                  type: query
              refId: C
        noDataState: Alerting
        for: 2m
        annotations:
          summary: "app-api (8081) 已下线超过 2 分钟"
        labels:
          severity: critical
          team: backend

      - uid: fruitshorts-admin-down
        title: "admin-api 下线"
        condition: C
        data:
          - refId: A
            relativeTimeRange: { from: 120, to: 0 }
            datasourceUid: prometheus
            model:
              expr: 'probe_success{instance=~"http://admin-api:8080/.*"} == 0'
              refId: A
          - refId: C
            relativeTimeRange: { from: 0, to: 0 }
            datasourceUid: __expr__
            model:
              conditions:
                - evaluator: { params: [0.5], type: gt }
                  operator: { type: and }
                  query: { params: [A] }
                  reducer: { type: last }
                  type: query
              refId: C
        noDataState: Alerting
        for: 2m
        annotations:
          summary: "admin-api (8080) 已下线超过 2 分钟"
        labels:
          severity: critical
          team: backend

      # ── 响应慢 ──
      - uid: fruitshorts-slow-response
        title: "接口响应过慢"
        condition: C
        data:
          - refId: A
            relativeTimeRange: { from: 300, to: 0 }
            datasourceUid: prometheus
            model:
              expr: 'histogram_quantile(0.95, rate(probe_duration_seconds_bucket[5m])) > 2'
              refId: A
          - refId: C
            relativeTimeRange: { from: 0, to: 0 }
            datasourceUid: __expr__
            model:
              conditions:
                - evaluator: { params: [0.5], type: gt }
                  operator: { type: and }
                  query: { params: [A] }
                  reducer: { type: last }
                  type: query
              refId: C
        for: 5m
        annotations:
          summary: "接口 P95 响应时间超过 2 秒"
        labels:
          severity: warning
          team: backend

      # ── 容器重启频繁 ──
      - uid: fruitshorts-container-restart
        title: "容器频繁重启"
        condition: C
        data:
          - refId: A
            relativeTimeRange: { from: 600, to: 0 }
            datasourceUid: prometheus
            model:
              expr: 'increase(container_start_time_seconds[10m]) > 3'
              refId: A
          - refId: C
            relativeTimeRange: { from: 0, to: 0 }
            datasourceUid: __expr__
            model:
              conditions:
                - evaluator: { params: [0.5], type: gt }
                  operator: { type: and }
                  query: { params: [A] }
                  reducer: { type: last }
                  type: query
              refId: C
        for: 1m
        annotations:
          summary: "有容器在 10 分钟内重启超过 3 次"
        labels:
          severity: warning
          team: infra