Docker环境中部署Prometheus及node-exporter监控主机资源

前提条件

已部署docker
已部署grafana
需要开放 3000 9100 和 9090 端口

启动node-exporter

docker run --name node-exporter -d  \
  --restart=always \
  -p 9100:9100 \
  -v "/proc:/host/proc:ro" \
  -v "/sys:/host/sys:ro" \
  -v "/:/rootfs:ro" \
  --net="host" \
  prom/node-exporter

启动prometheus

新建目录prometheus，编辑配置文件prometheus.yml

mkdir /opt/prometheus
cd /opt/prometheus/
vim prometheus.yml

内容如下：

global:
  scrape_interval:     60s
  evaluation_interval: 60s

scrape_configs:
  - job_name: prometheus
    static_configs:
      - targets: ['localhost:9090']
        labels:
          instance: prometheus

  - job_name: Host monitoring
    static_configs:
      - targets: ['192.168.3.101:9100']
        labels:
          instance: localhost

注意：修改IP地址，这里的192.168.3.101就是本机地址

启动prometheus

docker run  --name prometheus -d  \
  --restart=always \
  -p 9090:9090 \
  -v /opt/prometheus/prometheus.yml:/etc/prometheus/prometheus.yml  \
  prom/prometheus

访问prometheus web页面

浏览器输入 http://192.168.91.132:9090 ；点击 Status-->Targets 访问Targets效果如下: