k8s Prometheus+node-exporter+Grafana 监控

拼搏现实的明天。 2022-12-23 09:57 420阅读 0赞

### 监控效果 ###

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzI4MDE4Mjgz_size_16_color_FFFFFF_t_70_pic_center]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzI4MDE4Mjgz_size_16_color_FFFFFF_t_70_pic_center 1]

### 架构 ###

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzI4MDE4Mjgz_size_16_color_FFFFFF_t_70_pic_center 2]

### 安装准备 ###

# image 依赖
    
    # docker pull prom/node-exporter
    # docker pull prom/prometheus:v2.0.0
    # docker pull grafana/grafana:4.2.0
    
    
    
    [root@ecs-ca42 promethus]# tree
    .
    ├── configmap.yaml
    ├── grafana
    │   ├── grafana-deploy.yaml
    │   ├── grafana-ing.yaml
    │   └── grafana-svc.yaml
    ├── node-exporter.yaml
    ├── prometheus.deploy.yml
    ├── prometheus.svc.yml
    └── rbac-setup.yaml
    
    # 这里的 yaml 文件我会上传一份压缩包 ，见文末
    
    kubectl create -f  node-exporter.yaml 
    
    
    # kubectl create -f rbac-setup.yaml
    # kubectl create -f configmap.yaml 
    # kubectl create -f prometheus.deploy.yml 
    # kubectl create -f prometheus.svc.yml 
    # docker run -d -p 3000:3000 grafana/grafana
    
    
    # 查看相应 pods 
    [root@ecs-ca42 grafana]# kubectl get pod -n kube-system |grep node
    node-exporter-82zpm                1/1     Running   0          2h
    node-exporter-8fgj8                1/1     Running   0          2h
    node-exporter-gv6j6                1/1     Running   0          2h
    node-exporter-jpl56                1/1     Running   0          2h
    
    [root@ecs-ca42 grafana]# kubectl get pod -n kube-system |grep prometheus
    prometheus-677569f87c-wjcrc        1/1     Running   0          53m

metrics  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzI4MDE4Mjgz_size_16_color_FFFFFF_t_70_pic_center 3]

prometheus已经成功连接上了k8s的apiserver  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzI4MDE4Mjgz_size_16_color_FFFFFF_t_70_pic_center 4]

查看cpu监控使用  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzI4MDE4Mjgz_size_16_color_FFFFFF_t_70_pic_center 5]

打开 Grafana 添加 Prometheus  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzI4MDE4Mjgz_size_16_color_FFFFFF_t_70_pic_center 6]

### 资源 ###

[yaml文件整合打包][yaml]

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[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzI4MDE4Mjgz_size_16_color_FFFFFF_t_70_pic_center 5]: https://img-blog.csdnimg.cn/20201124161104324.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzI4MDE4Mjgz,size_16,color_FFFFFF,t_70#pic_center
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[yaml]: https://download.csdn.net/download/qq_28018283/13184157