DockerCompose部署Prometheus与Grafana

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DockerCompose 部署 Prometheus 与 Grafana

配置文件

docker-compose-monitor.yaml

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version: "3"

services:
  # 采集及存储数据
  prometheus:
    image: prom/prometheus:latest
    container_name: prometheus
    restart: on-failure
    ports:
      - "9090:9090"
    volumes:
      - ./config/prometheus/prometheus.yml:/etc/prometheus/prometheus.yml
      - ./config/prometheus/node_down.yml:/etc/prometheus/node_down.yml
      - ./data/prometheus:/prometheus
    networks:
      - test-network
  # 图表展示
  grafana:
    image: grafana/grafana
    container_name: grafana
    restart: on-failure
    ports:
      - "3000:3000"
    volumes:
      - ./data/grafana:/var/lib/grafana
    networks:
      - test-network
  # 收集系统的 metrics 数据（被监控主机只需部署 node-exporter 即可）
  node-exporter:
    image: prom/node-exporter:latest
    container_name: node-exporter
    restart: on-failure
    ports:
      - "9100:9100"
    networks:
      - test-network
  # 告警通知
  alertmanager:
    image: prom/alertmanager:latest
    container_name: alertmanager
    restart: on-failure
    ports:
      - "9093:9093"
    volumes:
      - ./config/alertmanager/alertmanager.yml:/etc/alertmanager/alertmanager.yml
      - ./data/alertmanager:/var/lib/alertmanager
    networks:
      - test-network

networks:
  test-network:
    external: true

prometheus.yml

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global:
  scrape_interval: 15s
  evaluation_interval: 15s

alerting:
  alertmanagers:
    - static_configs:
        - targets:
            - alertmanager:9093

rule_files:
  - "node_down.yml"

scrape_configs:
  - job_name: 'prometheus'
    static_configs:
      - targets: [ 'prometheus:9090' ]
        labels:
          instance: prometheus
          service: prometheus-service
  - job_name: 'node-exporter'
    static_configs:
      - targets: [ 'node-exporter:9100' ]
        labels:
          instance: node-exporter
          service: node-exporter-service

node_down.yml

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groups:
  - name: node-down
    rules:
      - alert: node-down
        expr: up{job="node-exporter"} == 0
        for: 15s
        labels:
          severity: 1
          team: node
        annotations:
          summary: "{{ $labels.instance }} 已停止运行超过 15s！"

执行命令 docker compose -f .\docker-compose-monitor.yaml up -d

prometheus

验证

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采集 Spring 应用数据

添加依赖

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<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-actuator</artifactId>
</dependency>

<dependency>
    <groupId>io.micrometer</groupId>
    <artifactId>micrometer-registry-prometheus</artifactId>
</dependency>

开启 Actuator，打开 Endpoint 

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management:
  endpoints:
    web:
      exposure:
        include: [ "prometheus","health" ]

验证 http://localhost:8080/actuator/prometheus

修改 prometheus.yml 配置

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scrape_configs:
  - job_name: 'spring'
    metrics_path: '/actuator/prometheus'
    static_configs:
      - targets: [ 'hostname:8010','hostname:8020' ]

grafana

访问 http://localhost:3000 ，用户名/密码：admin/admin

设置 DataSource

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点击 Save & test

设置 Dashboard

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