二唉地、容器方式運(yùn)行
安裝prometheus

先確保機(jī)器上已經(jīng)安裝了docker
推薦使用docker-compose嫩痰，方便管理配置

# vim /usr/local/docker/prometheus_docker/docker-compose.yml

version: '3.9'
services:
  prometheus:
    image: 'bitnami/prometheus:2.48.1'
    user: root
    container_name: prometheus
    restart: always
    ports: 
      - '9090:9090'
    volumes:
      - './conf/prometheus.yml:/opt/bitnami/prometheus/conf/prometheus.yml'
      - './data:/opt/bitnami/prometheus/data'
    command:
      - '--config.file=/opt/bitnami/prometheus/conf/prometheus.yml'
      - '--web.enable-lifecycle'
      - '--storage.tsdb.path=/opt/bitnami/prometheus/data'
      - '--storage.tsdb.retention.time=7d'
      - '--web.max-connections=512'
      - '--web.read-timeout=3m'
      - '--query.max-concurrency=25'
      - '--query.timeout=2m'

期間遇到的問題:
1遵堵、did not find expected key
docker-compose縮進(jìn)格式的問題
2晚伙、err="open /opt/bitnami/prometheus/data/queries.active: permission denied"
容器內(nèi)/data屬主是root位隶，而宿主機(jī)/data屬主是root拷窜，docker-compose.yml中指定用戶 user: root

啟動(dòng)

# docker-compose up -d

訪問ip:9090查看Web UI

node_exporter安裝
node_exporter也可以用容器運(yùn)行，映射9100端口

# vim /usr/local/docker/node_exporter_docker/docker-compose.yml

version: '3.9'
services:
  node_exporter:
    image: 'bitnami/node-exporter:1.7.0'
    container_name: node_exporter
    restart: always
    network_mode: 'host'
    pid: 'host'
    ports:
      - '9100:9100'
    volumes:
      - '/proc:/host/proc:ro'
      - '/sys:/host/sys:ro'
      - '/:/rootfs:ro'

需要將宿主機(jī)的 /proc涧黄、/sys 等目錄掛載到容器內(nèi)篮昧，從而讓node_exporter能夠訪問到宿主機(jī)的信息
不然只是對(duì)容器的信息進(jìn)行采集

啟動(dòng)

# docker-compose up -d

在prometheus機(jī)器上prometheus.yml添加

# vim /usr/local/docker/prometheus_docker/data/prometheus.yml

添加

- job_name: "docker_node_exporter"
  static_configs:
    - targets: ["ip:9100"]

重啟prometheus容器

# docker restart 容器ID

訪問prometheus的ip:9090 Status-->Targets中看到監(jiān)控的對(duì)象多了docker_node_exporter

安裝grafana

# vim /usr/local/docker/grafana_docker/docker-compose.yml

version: '3.9'
services:
  grafana:
    image: 'grafana/grafana:10.2.2'
    container_name: grafana
    restart: always
    ports:
      - '3000:3000'
    volumes:
      - 'grafana_data:/var/lib/grafana'
volumes:
  grafana_data:

需要?jiǎng)?chuàng)建一個(gè)volumes,將grafana數(shù)據(jù)目錄掛載進(jìn)去，實(shí)現(xiàn)持久化笋妥。
訪問ip:3000
默認(rèn)admin/admin
進(jìn)入后add your fiirst data source
選擇prometheus
根據(jù)需求填寫