prometheus监控安装

下载软件：

wget https://github.com/prometheus/prometheus/releases/download/v2.28.0/prometheus-2.28.0.linux-amd64.tar.gz

解压

 tar -zxf prometheus-2.28.0.linux-amd64.tar.gz

移动文件并重命名：

mv prometheus-2.28.0.linux-amd64 /usr/local/prometheus-2.28.0

启动：

/usr/local/prometheus-2.28.0/prometheus --config.file="/usr/local/prometheus-2.28.0/prometheus.yml" &

浏览器输入  http://ip:9090

默认只监控了本机，点 Status --> 点 Targets --> 可以看到只监控了本机。

vim /usr/local/prometheus-2.28.0/prometheus.yml 

 

 

被监控端配置

wget https://github.com/prometheus/node_exporter/releases/download/v1.1.2/node_exporter-1.1.2.linux-amd64.tar.gz

tar -zxf node_exporter-1.1.2.linux-amd64.tar.gz

mv node_exporter-1.1.2.linux-amd64 /usr/local/node_exporter-1.1.2

cd /usr/local/node_exporter-1.1.2/

ll

nohup /usr/local/node_exporter-1.1.2/node_exporter &

通过浏览器访问 http://被监控端ip:9100/metrics 就可以查看到node_exporter在被监控端收集的监控信息

 

[root@k8s-master01 ~]# cat  /etc/systemd/system/prometheus.service 
[Unit]

Description=Prometheus

Documentation=https://prometheus.io/

After=network.target

 

[Service]

# Type设置为notify时，服务会不断重启

Type=simple

User=root
Group=root

# --storage.tsdb.path是可选项，默认数据目录在运行目录的./dada目录中

ExecStart=/usr/local/prometheus-2.28.0/prometheus  --config.file=/usr/local/prometheus-2.28.0/prometheus.yml --web.enable-lifecycle --web.listen-address "0.0.0.0:9090" --web.enable-admin-api 
Restart=on-failure 
[Install] 
WantedBy=multi-user.target

systemctl enable prometheus 

prometheus热重启：curl -XPOST http://localhost:9090/-/reload