Prometheus容器化部署的实践方案
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
# 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: de40ad02、运行prometheus容器
//拉取镜像
# 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
# 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
# docker run --name prometheus -d --restart always -p 9090:9090 -v /opt/prometheus.yml:/etc/prometheus/prometheus.yml:ro prom/prometheus:latest
a0ba5535f0ea3b0f44574fd237802f2ef19f4624c3752c3bf8122a4d79a26428
# 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
# 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
部署node_exporter
//下载安装包
# wget https://github.com/prometheus/node_exporter/releases/download/v1.3.0/node_exporter-1.3.0.linux-amd64.tar.gz
# ls
anaconda-ks.cfgnode_exporter-1.3.0.linux-amd64.tar.gz
//解压
# tar xf node_exporter-1.3.0.linux-amd64.tar.gz -C /usr/local/
# mv /usr/local/node_exporter-1.3.0.linux-amd64/ /usr/local/node_exporter
# ls /usr/local/
binetcgamesincludeliblib64libexecnode_exportersbinsharesrc
//编写service文件，启动并开机自启
# cat /usr/lib/systemd/system/node_exporter.service
Description=The node_exporter Server
After=network.target
ExecStart=/usr/local/node_exporter/node_exporter
Restart=on-failure
RestartSec=15s
SyslogIdentifier=node_exporter
WantedBy=multi-user.target
# systemctl daemon-reload
# 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.
# 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
# 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
# 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
# docker restart prometheus
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
部署grafana画图工具
//拉取grafan/grafan官方镜像
# 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
# 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
# docker run -d --name grafana -p 3000:3000 --restart always grafana/grafana
0b5986fc63442538a6fae845e5d1b8afc78caec4f4bdd81ca3623eb1329ad562
# 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
# 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
修改密码
首页
添加数据源
数据源选择prometheus
导入仪表盘
模板地址
模板ID为9276
效果图
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