Prometheus容器化部署的实践方案

环境主机名IP地址服务 prometheus192.168.237.137prometheus、grafana node-exporter192.168.237.131node_exporter 容器化部署prometheus1、安装docker
[root@prometheus ~]# docker versionClient: Docker Engine - Community Version:20.10.11 API version:1.41 Go version: go1.16.9 Git commit: dea9396 Built:Thu Nov 18 00:36:58 2021 OS/Arch:linux/amd64 Context:default Experimental:trueServer: Docker Engine - Community Engine:Version:20.10.11API version:1.41 (minimum version 1.12)Go version:go1.16.9Git commit:847da18Built:Thu Nov 18 00:35:20 2021OS/Arch:linux/amd64Experimental:false containerd:Version:1.4.12GitCommit: 7b11cfaabd73bb80907dd23182b9347b4245eb5d runc:Version:1.0.2GitCommit: v1.0.2-0-g52b36a2 docker-init:Version:0.19.0GitCommit: de40ad02、运行prometheus容器
//拉取镜像[root@prometheus ~]# docker pull prom/prometheusUsing default tag: latestlatest: Pulling from prom/prometheus3cb635b06aa2: Pull complete 34f699df6fe0: Pull complete 33d6c9635e0f: Pull complete f2af7323bed8: Pull complete c16675a6a294: Pull complete 827843f6afe6: Pull complete 3d272942eeaf: Pull complete 7e785cfa34da: Pull complete 05e324559e3b: Pull complete 170620261a59: Pull complete ec35f5996032: Pull complete 5509173eb708: Pull complete Digest: sha256:cb9817249c346d6cfadebe383ed3b3cd4c540f623db40c4ca00da2ada45259bbStatus: Downloaded newer image for prom/prometheus:latestdocker.io/prom/prometheus:latest//在/opt目录下提供prometheus的默认配置文件[root@prometheus ~]# ls /opt/prometheus.yml//运行容器##--restart always 总是重启，开机自启## 将本地提供的配置文件映射到容器，ro 容器内只读[root@prometheus ~]# docker run --name prometheus -d --restart always -p 9090:9090 -v /opt/prometheus.yml:/etc/prometheus/prometheus.yml:ro prom/prometheus:latest a0ba5535f0ea3b0f44574fd237802f2ef19f4624c3752c3bf8122a4d79a26428[root@prometheus ~]# docker psCONTAINER IDIMAGE COMMANDCREATEDSTATUSPORTSNAMESa0ba5535f0eaprom/prometheus:latest"/bin/prometheus --c…"11 seconds agoUp 11 seconds0.0.0.0:9090->9090/tcp, :::9090->9090/tcpprometheus//查看端口[root@prometheus ~]# ss -anltuNetidStateRecv-QSend-QLocal Address:PortPeer Address:PortProcesstcpLISTEN01280.0.0.0:220.0.0.0:*tcpLISTEN01280.0.0.0:90900.0.0.0:*tcpLISTEN0128[::]:22[::]:*tcpLISTEN0128[::]:9090[::]:*使用ip+9090/targets访问prometheus默认网页

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部署node_exporter//下载安装包[root@node-exporter ~]# wget https://github.com/prometheus/node_exporter/releases/download/v1.3.0/node_exporter-1.3.0.linux-amd64.tar.gz[root@node-exporter ~]# lsanaconda-ks.cfgnode_exporter-1.3.0.linux-amd64.tar.gz//解压[root@node-exporter ~]# tar xf node_exporter-1.3.0.linux-amd64.tar.gz -C /usr/local/[root@node-exporter ~]# mv /usr/local/node_exporter-1.3.0.linux-amd64/ /usr/local/node_exporter[root@node-exporter ~]# ls /usr/local/binetcgamesincludeliblib64libexecnode_exportersbinsharesrc//编写service文件，启动并开机自启[root@node-exporter ~]# cat /usr/lib/systemd/system/node_exporter.service[unit]Description=The node_exporter ServerAfter=network.target[Service]ExecStart=/usr/local/node_exporter/node_exporterRestart=on-failureRestartSec=15sSyslogIdentifier=node_exporter[Install]WantedBy=multi-user.target[root@node-exporter ~]# systemctl daemon-reload [root@node-exporter ~]# systemctl enable --now node_exporter.service Created symlink from /etc/systemd/system/multi-user.target.wants/node_exporter.service to /usr/lib/systemd/system/node_exporter.service.[root@node-exporter ~]# systemctl status node_exporter.service ● node_exporter.serviceLoaded: loaded (/usr/lib/systemd/system/node_exporter.service; enabled; vendor preset: disabled)Active: active (running) since 四 2021-12-30 19:26:59 CST; 8s ago Main PID: 27878 (node_exporter)CGroup: /system.slice/node_exporter.service└─27878 /usr/local/node_exporter/node_exporter//查看端口[root@node-exporter ~]# ss -anltuNetid StateRecv-Q Send-QLocal Address:PortPeer Address:PorttcpLISTEN0128*:22*:*tcpLISTEN0128[::]:22[::]:*tcpLISTEN0128[::]:9100[::]:*## node-exporter部署成功就可以在Prometheus主机上添加节点进行监控添加节点到prometheus中修改本地prometheus.yml文件
//修改配置文件[root@prometheus ~]# tail -8 /opt/prometheus.yml scrape_configs:# The job name is added as a label `job=` to any timeseries scraped from this config.- job_name: "prometheus"static_configs:- targets: ["localhost:9090"]- job_name: "centos"//指定一个工作名称static_configs:- targets: ["192.168.237.131:9100"]//指定node-exporter节点的IP和端口号## 如果有多个节点- job_name: "centos"static_configs:- targets:- "192.168.237.131:9100" - "192.168.237.132:9100" - "192.168.237.133:9100"//重启容器，重新读取配置文件[root@prometheus ~]# docker restart prometheusprometheus[root@prometheus ~]# docker psCONTAINER IDIMAGE COMMANDCREATEDSTATUSPORTSNAMESa0ba5535f0eaprom/prometheus:latest"/bin/prometheus --c…"26 minutes agoUp 3 seconds0.0.0.0:9090->9090/tcp, :::9090->9090/tcpprometheus访问prometheus默认网页
成功添加节点
Prometheus容器化部署的实践方案

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部署grafana画图工具//拉取grafan/grafan官方镜像[root@prometheus ~]# docker pull grafana/grafanaUsing default tag: latestlatest: Pulling from grafana/grafana97518928ae5f: Pull complete 5b58818b7f48: Pull complete d9a64d9fd162: Pull complete 4e368e1b924c: Pull complete 867f7fdd92d9: Pull complete 387c55415012: Pull complete 07f94c8f51cd: Pull complete ce8cf00ff6aa: Pull complete e44858b5f948: Pull complete 4000fdbdd2a3: Pull complete Digest: sha256:18d94ae734accd66bccf22daed7bdb20c6b99aa0f2c687eea3ce4275fe275062Status: Downloaded newer image for grafana/grafana:latestdocker.io/grafana/grafana:latest[root@prometheus ~]# docker imagesREPOSITORY TAGIMAGE IDCREATED SIZEprom/prometheuslatesta3d385fc29f912 days ago201MBgrafana/grafanalatest9b957e0983152 weeks ago275MB//使用官方grafana镜像运行容器[root@prometheus ~]# docker run -d --name grafana -p 3000:3000 --restart always grafana/grafana0b5986fc63442538a6fae845e5d1b8afc78caec4f4bdd81ca3623eb1329ad562[root@prometheus ~]# docker psCONTAINER IDIMAGE COMMANDCREATEDSTATUSPORTSNAMES0b5986fc6344grafana/grafana"/run.sh"4 seconds agoUp 2 seconds0.0.0.0:3000->3000/tcp, :::3000->3000/tcpgrafanaa0ba5535f0eaprom/prometheus:latest"/bin/prometheus --c…"33 minutes agoUp 6 minutes0.0.0.0:9090->9090/tcp, :::9090->9090/tcpprometheus//查看端口[root@prometheus ~]# ss -anltuNetidStateRecv-QSend-QLocal Address:PortPeer Address:PortProcesstcpLISTEN01280.0.0.0:220.0.0.0:*tcpLISTEN01280.0.0.0:30000.0.0.0:*tcpLISTEN01280.0.0.0:90900.0.0.0:* tcpLISTEN0128[::]:22[::]:*tcpLISTEN0128[::]:3000[::]:*tcpLISTEN0128[::]:9090[::]:*使用prometheus主机IP地址192.168.129.205 + 端口号3000在浏览器中访问
默认账号：admin 密码：admin
Prometheus容器化部署的实践方案