node_exporter + grafana

监控服务器CPU、内存、磁盘、I/O等信息，首先需要安装node_exporter。node_exporter的作用是用于机器系统数据收集。

下载安装：

https://github.com/prometheus/node_exporter/releases/

wget https://github.com/prometheus/node_exporter/releases/download/v0.16.0/node_exporter-0.16.0.linux-amd64.tar.gz

tar -zxvf node_exporter-0.16.0.linux-amd64.tar.gz

 

创建Systemd服务

cat > /etc/systemd/system/node_exporter.service << EOF

[Unit]

Description=node_exporter

Documentation=https://prometheus.io/

After=network.target

[Service]

Type=simple

User=prometheus

ExecStart=/usr/local/node_exporter/node_exporter

Restart=on-failure

[Install]

WantedBy=multi-user.target

EOF

 

启动

systemctl start node_exporter

Node Exporter默认的抓取地址为http://IP:9100/metrics

 

配置prometheus

vim  /usr/local/prometheus/prometheus.yml

  - job_name: 'linux'   //都需要自己添加

    static_configs:

      - targets: ['localhost:9100']

        labels:

          instance: node1

 

Grafana:

https://grafana.com/dashboards 页面搜索node exporter 根据id导入模板 id 为8919

报错：

Panel plugin with id grafana-piechart-panel could not be found

###安装grafana插件需联网安装

[root@zabbix grafana]# grafana-cli plugins list-remote #查询可用的插件

1、在线安装

[root@zabbix grafana]# grafana-cli plugins install percona-percona-app

✔ Installed percona-percona-app successfully

[root@zabbix grafana]# grafana-cli plugins install grafana-piechart-panel

✔ Installed grafana-piechart-panel successfully

需要重启

[root@zabbix grafana]# systemctl restart grafana-server

2、离线安装组件

模块添加，只需要将模块文件放在/var/lib/grafana/plugins(在配置文件grafana.ini：;plugins = /var/lib/grafana/plugins)

[root@zabbix plugins]# ls

alexanderzobnin-grafana-zabbix-a8b2e3c grafana-piechart-panel

[root@zabbix plugins]# pwd

/var/lib/grafana/plugins

重启grafana服务