promethues 配置文件动态管理

promethues.yaml 动态加载配置文件

  • static_configs

    • 静态配置

    • static_configs 参数

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       # 服务端监控_状态码404
      - job_name: http_404_status
        metrics_path: /probe
        params:
          module: [http_404]
        static_configs:
          - targets: ['http://172.16.6.2:8800']
            labels:
              host: 172.16.6.2
              instance: wl-02-pro:admin:8800
          - targets: ['http://172.16.2.2:8299']
            labels:
              host: 172.16.2.2
              instance: wl-base:base:8299

  • file_sd_configs

    • 动态加载

    • file_sd_configs 参数

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        # 服务端监控_状态码404
      - job_name: http_404_status
        metrics_path: /probe
        params:
          module: [http_404]
        file_sd_configs:
          - files:
            - ./targets.json
            refresh_interval: 5m

curl刷新配置文件

  • curl -X POST http://172.16.8.32:9090/-/reload

  • 调用curl方法,前提Prometheus启动 加入 –web.enable-lifecycle

  • 示例:

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    docker run  -itd   -p 9090:9090 --name  prometheus -v /data/prometheus_config:/etc/prometheus -v /data/prometheus_rules:/prometheus_rules prom/prometheus --config.file="/etc/prometheus/prometheus.yml"  --web.enable-lifecycle

json 文件示例如下

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[   
    {
      "targets": [
        "172.16.6.3:8294",
        "172.16.6.9:8294"
      ],
      "labels": {
        "host": "172.16.6.3",
        "instance": "logis01:logistics:8294"
      }
    },
    {
      "targets": [
        "172.16.6.3:8294",
        "172.16.6.9:8294"
      ],
      "labels": {
        "host": "172.16.6.3",
        "instance": "wl-ucenter:logistics:8294"
      }
    }
]