{
  "uid": "fruitshorts-backend",
  "title": "FruitShorts 后端监控",
  "tags": ["fruitshorts", "backend"],
  "timezone": "browser",
  "editable": true,
  "schemaVersion": 39,
  "version": 1,
  "refresh": "30s",
  "time": { "from": "now-6h", "to": "now" },
  "panels": [
    {
      "id": 1,
      "type": "stat",
      "title": "服务探活（1=正常 0=异常）",
      "datasource": { "type": "prometheus", "uid": "prometheus" },
      "gridPos": { "x": 0, "y": 0, "w": 8, "h": 6 },
      "options": {
        "colorMode": "background",
        "graphMode": "none",
        "reduceOptions": { "calcs": ["lastNotNull"], "fields": "", "values": false }
      },
      "fieldConfig": {
        "defaults": {
          "mappings": [
            { "type": "value", "options": { "0": { "text": "异常", "color": "red", "index": 0 } } },
            { "type": "value", "options": { "1": { "text": "正常", "color": "green", "index": 1 } } }
          ],
          "thresholds": { "mode": "absolute", "steps": [{ "color": "red", "value": null }, { "color": "green", "value": 1 }] }
        },
        "overrides": []
      },
      "targets": [
        { "refId": "A", "expr": "probe_success{job=\"blackbox\"}", "legendFormat": "{{instance}}" }
      ]
    },
    {
      "id": 2,
      "type": "timeseries",
      "title": "接口探测耗时（秒）",
      "datasource": { "type": "prometheus", "uid": "prometheus" },
      "gridPos": { "x": 8, "y": 0, "w": 16, "h": 6 },
      "fieldConfig": { "defaults": { "unit": "s", "custom": { "lineWidth": 2, "fillOpacity": 10 } }, "overrides": [] },
      "targets": [
        { "refId": "A", "expr": "probe_duration_seconds{job=\"blackbox\"}", "legendFormat": "{{instance}}" }
      ]
    },
    {
      "id": 3,
      "type": "timeseries",
      "title": "容器 CPU 使用（核）",
      "datasource": { "type": "prometheus", "uid": "prometheus" },
      "gridPos": { "x": 0, "y": 6, "w": 12, "h": 8 },
      "fieldConfig": { "defaults": { "unit": "short", "custom": { "lineWidth": 2, "fillOpacity": 10 } }, "overrides": [] },
      "targets": [
        { "refId": "A", "expr": "sum(rate(container_cpu_usage_seconds_total{name=~\"fruitshorts-(app-api|admin-api|db|redis|transcode-worker)\"}[1m])) by (name)", "legendFormat": "{{name}}" }
      ]
    },
    {
      "id": 4,
      "type": "timeseries",
      "title": "容器内存（GiB）",
      "datasource": { "type": "prometheus", "uid": "prometheus" },
      "gridPos": { "x": 12, "y": 6, "w": 12, "h": 8 },
      "fieldConfig": { "defaults": { "unit": "bytes", "custom": { "lineWidth": 2, "fillOpacity": 10 } }, "overrides": [] },
      "targets": [
        { "refId": "A", "expr": "sum(container_memory_working_set_bytes{name=~\"fruitshorts-(app-api|admin-api|db|redis|transcode-worker)\"}) by (name)", "legendFormat": "{{name}}" }
      ]
    },
    {
      "id": 5,
      "type": "timeseries",
      "title": "容器网络接收（B/s）",
      "datasource": { "type": "prometheus", "uid": "prometheus" },
      "gridPos": { "x": 0, "y": 14, "w": 12, "h": 8 },
      "fieldConfig": { "defaults": { "unit": "Bps", "custom": { "lineWidth": 2, "fillOpacity": 10 } }, "overrides": [] },
      "targets": [
        { "refId": "A", "expr": "sum(rate(container_network_receive_bytes_total{name=~\"fruitshorts-(app-api|admin-api|db|redis|transcode-worker)\"}[1m])) by (name)", "legendFormat": "{{name}}" }
      ]
    },
    {
      "id": 6,
      "type": "timeseries",
      "title": "Prometheus 抓取目标状态（1=UP）",
      "datasource": { "type": "prometheus", "uid": "prometheus" },
      "gridPos": { "x": 12, "y": 14, "w": 12, "h": 8 },
      "fieldConfig": { "defaults": { "unit": "short", "min": 0, "max": 1, "custom": { "lineWidth": 2, "fillOpacity": 10 } }, "overrides": [] },
      "targets": [
        { "refId": "A", "expr": "up", "legendFormat": "{{job}} {{instance}}" }
      ]
    }
  ]
}