基于openEuler22.03SP4部署Prometheus+Grafana
测试环境
Virtual Box，openEuler-22.03-LTS-SP4-x86_64-dvd.iso，4 vCPU, 8G RAM, 60 vDisk。最小化安装。需联网。
系统环境
关闭防火墙
systemctl stop firewalld
systemctl disable firewalld
systemctl status firewalld
selinux关闭
sed -ri ‘s/SELINUX=enforcing/SELINUX=disabled/’ /etc/selinux/config
安装Prometheus
Prometheus官网
下载prometheus的LTS版本
https://prometheus.io/download/
tar -zxvf prometheus-2.53.3.linux-amd64.tar.gz -C /usr/local/
mv /usr/local/prometheus-2.53.3.linux-amd64/ /usr/local/prometheus
cd /usr/local/prometheus
/usr/local/prometheus/prometheus --config.file=“/usr/local/prometheus/prometheus.yml” &
查看9090端口是否开启
ss -anlt | grep 9090
通过浏览器进入页面
http://192.168.31.244:9090/
数据展示
http://192.168.31.244:9090/metrics
安装Grafana
https://dl.grafana.com/enterprise/release/grafana-enterprise-11.4.0-1.x86_64.rpm
dnf install -y grafana-enterprise-11.4.0-1.x86_64.rpm
systemctl enable grafana-server
systemctl start grafana-server
浏览器输入http://192.168.31.244:3000
账号密码默认admin/admin
添加数据源，添加你的Prometheus服务地址和端口。
添加grafana监控模板，如果可以连接到外网， 那么直接输入id自动下载，如果不能连接外网，则需要访问
https://grafana.com/grafana/dashboards/网站寻找。比如12633, 8919模板，下载json文件导入即可。
安装node_exporter
tar -zxvf node_exporter-1.8.2.linux-amd64.tar.gz
cp node_exporter-1.8.2.linux-amd64/node_exporter /usr/local/bin/
为node_erporter创建service，使用systemctl管理
vi /usr/lib/systemd/system/node_exporter.service
[Unit]
Description=node_exporter
Documentation=https://prometheus.io/
After=network.target
[Service]
Type=simple
User=root
Group=root
ExecStart=/usr/local/bin/node_exporter
Restart=on-fallure
[Install]
WantedBy=multi-user.target
systemctl start node_exporter.service
systemctl enable node_exporter.service
修改监控主机Prometheus服务的配置文件，添加job
vi /usr/local/prometheus/prometheus.yml
scrape_configs:
- job_name: 'Kingstar_ARM_prometheus'
static_configs:
- targets: ['192.168.31.244:9100']
用promtool检测配置文件是否正确
/usr/local/prometheus/promtool check config /usr/local/prometheus/prometheus.yml
重启prometheus
查看http://192.168.31.244:9090/targets地址，job和被监控节点正确显示。
刷新Grafana，仪表盘已显示主机。