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Prometheus容器化部署

天外来物_ 人气:0

环境

主机名 IP地址 服务
prometheus 192.168.237.137 prometheus、grafana
node-exporter 192.168.237.131 node_exporter

容器化部署prometheus

1、安装docker

[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

2、运行prometheus容器

//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                   [::]:*                    

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 ~]# 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

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=<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

访问prometheus默认网页
成功添加节点

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部署grafana画图工具

//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                   [::]:*                    

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

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修改密码

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首页

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添加数据源

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数据源选择prometheus

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导入仪表盘

模板地址

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模板ID为9276

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效果图

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