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prometheus-kubernetes's Introduction

kubernetes-prometheus

部署prometheus到kubernetes到模板,提取自prometheus-operator,需要先配置好DefaultStorageClass。

  1. 部署prometheus:

    kubectl create -f prometheus-rbac.yaml
    kubectl create -f prometheus-k8s-cm.yaml
    kubectl create -f prometheus-k8s-rules.yaml
    kubectl create -f prometheus-statefulset.yaml
    kubectl create -f prometheus-svc.yaml
    
  2. 部署alertmanager(alertmanager主要用来做prometheus的监控告警):

    kubectl create -f alertmanager-cm.yaml
    kubectl create -f alertmanager-statefulset.yaml
    kubectl create -f alertmanager-svc.yaml
    
  3. 部署kube-state-metric(kube-state-metric用来获取k8s集群的关联信息):

    kubectl create -f kube-state-metric-rbac.yaml
    kubectl create -f kube-state-metric-deploy.yaml
    kubectl create -f kube-state-metric-svc.yaml
    
  4. 部署node-exporter(如果需要宿主机的监控,需要部署node-exporter):

    kubectl create -f node-exporter-ds.yaml
    kubectl create -f node-exporter-svc.yaml
    
  5. 部署grafana(grafana用来做监控的绘图展示):

    kubectl create -f grafana-credentails.secret.yaml
    kubectl create -f grafana-deploy.yaml
    kubectl create -f grafana-svc.yaml
    
  6. 建相关enpoints用于kubelet、kube-conrtroller-manger、kube-scheduler、etcd等的监控:

    kubectl create -f prometheus-discovery-service.yaml
    
  7. 最后在grafana的页面(用户名:admin、密码:admin) 添加dashborad里面的模版。

在定义service的时候加入相应的annotations, 就可以自动监控相关的服务:

  annotations:
    prometheus.io/scrape: "true"

通过prometheus.io/schema、prometheus.io/path、prometheus.io/port更改默认的端口等信息。

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