Prometheus容器化部署的实践方案

 [root@prometheus ~]# docker version Client: 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:      true  Server: 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/prometheus Using default tag: latest latest: Pulling from prom/prometheus 3cb635b06aa2: 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:cb9817249c346d6cfadebe383ed3b3cd4c540f623db40c4ca00da2ada45259bb Status: Downloaded newer image for prom/prometheus:latest docker.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 ps CONTAINER ID   IMAGE                             COMMAND                  CREATED          STATUS                    PORTS                                       NAMES a0ba5535f0ea   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 -anltu Netid     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 ~]# ls anaconda-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 Server After=network.target  [Service] ExecStart=/usr/local/node_exporter/node_exporter Restart=on-failure RestartSec=15s SyslogIdentifier=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 -anltu Netid 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 prometheus prometheus [root@prometheus ~]# docker ps CONTAINER ID   IMAGE                             COMMAND                  CREATED          STATUS                    PORTS                                       NAMES a0ba5535f0ea   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/grafana Using default tag: latest latest: Pulling from grafana/grafana 97518928ae5f: 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: sha256:18d94ae734accd66bccf22daed7bdb20c6b99aa0f2c687eea3ce4275fe275062 Status: Downloaded newer image for grafana/grafana:latest docker.io/grafana/grafana:latest  [root@prometheus ~]# docker images REPOSITORY                      TAG       IMAGE ID       CREATED        SIZE prom/prometheus                 latest    a3d385fc29f9   12 days ago    201MB grafana/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/grafana 0b5986fc63442538a6fae845e5d1b8afc78caec4f4bdd81ca3623eb1329ad562  [root@prometheus ~]# docker ps CONTAINER ID   IMAGE                             COMMAND                  CREATED          STATUS                    PORTS                                       NAMES 0b5986fc6344   grafana/grafana                   "/run.sh"                4 seconds ago    Up 2 seconds              0.0.0.0:3000->3000/tcp, :::3000->3000/tcp   grafana a0ba5535f0ea   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 -anltu Netid     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                   [::]:*