prometheus搭建

prometheus官网下载地址：Download | Prometheus

#下载截止2021/9/9最新版本
wget https://github.com/prometheus/prometheus/releases/download/v2.29.2/prometheus-2.29.2.linux-amd64.tar.gz

#创建prometheus目录
mkdir -p /opt/monitor

#解压移动
tar -xf prometheus-2.29.2.linux-amd64.tar.gz
mv prometheus-2.29.2.linux-amd64 /opt/monitor/prometheus

#添加systemctl管理
vi /usr/lib/systemd/system/prometheus.service
[Unit]
Description=prometheus
[Service]
ExecStart=/opt/monitor/prometheus/prometheus --config.file=/opt/monitor/prometheus/prometheus.yml
ExecReload=/bin/kill -HUP $MAINPID
KillMode=process
Restart=on-failure
[Install]
WantedBy=multi-user.target

#启动prometheus
systemctl daemon-reload 
systemctl start prometheus.service 
systemctl status prometheus.service

granfana搭建

granfana官网下载地址：Download Grafana | Grafana Labs

#下载截止2021/9/9最新版本
wget https://dl.grafana.com/enterprise/release/grafana-enterprise-8.1.2.linux-amd64.tar.gz
tar -zxvf grafana-enterprise-8.1.2.linux-amd64.tar.gz
mkdir /opt/monitor/grafana
mv grafana-8.1.2 /opt/monitor/grafana

vi /usr/lib/systemd/system/grafana.service
[Unit]
Description=grafana
[Service]
ExecStart=/opt/monitor/grafana/bin/grafana-server -homepath=/opt/monitor/grafana
ExecReload=/bin/kill -HUP $MAINPID
KillMode=process
Restart=on-failure
[Install]
WantedBy=multi-user.target

systemctl daemon-reload 
systemctl start grafana.service
systemctl status grafana.service 

node_exporter：用于监控Linux系统的指标采集器

prometheus采集器地址：Exporters and integrations | Prometheus

#注：如果github拉取较慢，可采用迅雷下载上传
wget https://github.com/prometheus/node_exporter/releases/download/v1.2.2/node_exporter-1.2.2.linux-amd64.tar.gz

tar  -xf node_exporter-1.2.2.linux-amd64.tar.gz 
mv node_exporter-1.2.2.linux-amd64 /usr/local/node_exporter

vi /usr/lib/systemd/system/node_exporter.service
[Unit]
Description=node_exporter
[Service]
ExecStart=/usr/local/node_exporter/node_exporter
#ExecStart=/usr/local/node_exporter/node_exporter --web.config=/usr/local/node_exporter/config.yml
ExecReload=/bin/kill -HUP $MAINPID
KillMode=process
Restart=on-failure
[Install]
WantedBy=multi-user.target

systemctl daemon-reload 
systemctl start node_exporter.service 
systemctl status node_exporter.service 

配置prometheus进行发现

#末尾添加配置，ip地址为安装node_exporter的地址
vim /opt/monitor/prometheus/prometheus.yml
- job_name: "node"
    static_configs:
      - targets: ["192.168.123.97:9100"]
#prometheus支持热加载配置文件
kill -HUP prometheus的PID

访问prometheus的ip:9090查看

点击Status ----> Targets 查看

登陆granfana页面ip:3000

默认密码admin admin 初次登陆需要修改密码

点击左侧设置 ----> Data sources

最下方测试保存

添加监控模板

点击import完成后，填入9276 点击load

然后在import上边选择 之前添加的数据库后 再点击import

效果如图