Prometheus容器化部署的实践方案

[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:          20.10.11  API version:      1.41 (minimum version 1.12)  Go version:       go1.16.9  Git commit:       847da18  Built:            Thu Nov 18 00:35:20 2021  OS/Arch:          linux/amd64  Experimental:     false containerd:  Version:          1.4.12  GitCommit:        7b11cfaabd73bb80907dd23182b9347b4245eb5d runc:  Version:          1.0.2  GitCommit:        v1.0.2-0-g52b36a2 docker-init:  Version:          0.19.0  GitCommit:        de40ad0

//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 ID   IMAGE                             COMMAND                  CREATED          STATUS                    PORTS                                       NAMESa0ba5535f0ea   prom/prometheus:latest            "/bin/prometheus --c…"   11 seconds ago   Up 11 seconds             0.0.0.0:9090->9090/tcp, :::9090->9090/tcp   prometheus//查看端口[root@prometheus ~]# ss -anltuNetid     State      Recv-Q      Send-Q           Local Address:Port           Peer Address:Port     Process     tcp       LISTEN     0           128                    0.0.0.0:22                  0.0.0.0:*                    tcp       LISTEN     0           128                    0.0.0.0:9090                0.0.0.0:*                    tcp       LISTEN     0           128                       [::]:22                     [::]:*                    tcp       LISTEN     0           128                       [::]:9090                   [::]:*                    

//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.cfg  node_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/bin  etc  games  include  lib  lib64  libexec  node_exporter  sbin  share  src//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.service   Loaded: 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 State      Recv-Q Send-Q         Local Address:Port                        Peer Address:Port              tcp   LISTEN     0      128                        *:22                                     *:*                  tcp   LISTEN     0      128                     [::]:22                                  [::]:*                  tcp   LISTEN     0      128                     [::]:9100                                [::]:*                  ## node-exporter部署成功就可以在Prometheus主机上添加节点进行监控

//修改配置文件[root@prometheus ~]# tail -8 /opt/prometheus.yml scrape_configs:  # The job name is added as a label `job=<job_name>` 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 ID   IMAGE                             COMMAND                  CREATED          STATUS                    PORTS                                       NAMESa0ba5535f0ea   prom/prometheus:latest            "/bin/prometheus --c…"   26 minutes ago   Up 3 seconds              0.0.0.0:9090->9090/tcp, :::9090->9090/tcp   prometheus

//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                      TAG       IMAGE ID       CREATED        SIZEprom/prometheus                 latest    a3d385fc29f9   12 days ago    201MBgrafana/grafana                 latest    9b957e098315   2 weeks ago    275MB//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 ID   IMAGE                             COMMAND                  CREATED          STATUS                    PORTS                                       NAMES0b5986fc6344   grafana/grafana                   "/run.sh"                4 seconds ago    Up 2 seconds              0.0.0.0:3000->3000/tcp, :::3000->3000/tcp   grafanaa0ba5535f0ea   prom/prometheus:latest            "/bin/prometheus --c…"   33 minutes ago   Up 6 minutes              0.0.0.0:9090->9090/tcp, :::9090->9090/tcp   prometheus//查看端口[root@prometheus ~]# ss -anltuNetid     State      Recv-Q      Send-Q           Local Address:Port           Peer Address:Port     Process             tcp       LISTEN     0           128                    0.0.0.0:22                  0.0.0.0:*                    tcp       LISTEN     0           128                    0.0.0.0:3000                0.0.0.0:*                    tcp       LISTEN     0           128                    0.0.0.0:9090                0.0.0.0:*                             tcp       LISTEN     0           128                       [::]:22                     [::]:*                    tcp       LISTEN     0           128                       [::]:3000                   [::]:*                    tcp       LISTEN     0           128                       [::]:9090                   [::]:*