Prometheus - 【kube-state-metrics】监控案例（四）

[root@xianchaonode1 case]# docker pull registry.cn-hangzhou.aliyuncs.com/zhangshijie/kube-state-metrics:v2.6.0
[root@xianchaonode2 case]# docker pull registry.cn-hangzhou.aliyuncs.com/zhangshijie/kube-state-metrics:v2.6.0

#case5-kube-state-metrics-deploy.yaml 开放31666端口
[root@xianchaomaster1 case]# cat case5-kube-state-metrics-deploy.yaml
apiVersion: apps/v1
kind: Deployment
metadata:
  name: kube-state-metrics
  namespace: kube-system
spec:
  replicas: 1
  selector:
    matchLabels:
      app: kube-state-metrics
  template:
    metadata:
      labels:
        app: kube-state-metrics
    spec:
      serviceAccountName: kube-state-metrics
      containers:
      - name: kube-state-metrics
        image: registry.cn-hangzhou.aliyuncs.com/zhangshijie/kube-state-metrics:v2.6.0
        ports:
        - containerPort: 8080

---
---
apiVersion: v1
kind: ServiceAccount
metadata:
  name: kube-state-metrics
  namespace: kube-system
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  name: kube-state-metrics
rules:
- apiGroups: [""]
  resources: ["nodes", "pods", "services", "resourcequotas", "replicationcontrollers", "limitranges", "persistentvolumeclaims", "persistentvolumes", "namespaces", "endpoints"]
  verbs: ["list", "watch"]
- apiGroups: ["extensions"]
  resources: ["daemonsets", "deployments", "replicasets"]
  verbs: ["list", "watch"]
- apiGroups: ["apps"]
  resources: ["statefulsets"]
  verbs: ["list", "watch"]
- apiGroups: ["batch"]
  resources: ["cronjobs", "jobs"]
  verbs: ["list", "watch"]
- apiGroups: ["autoscaling"]
  resources: ["horizontalpodautoscalers"]
  verbs: ["list", "watch"]
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: kube-state-metrics
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: kube-state-metrics
subjects:
- kind: ServiceAccount
  name: kube-state-metrics
  namespace: kube-system

---
apiVersion: v1
kind: Service
metadata:
  annotations:
    prometheus.io/scrape: 'true'
  name: kube-state-metrics
  namespace: kube-system
  labels:
    app: kube-state-metrics
spec:
  type: NodePort
  ports:
  - name: kube-state-metrics
    port: 8080
    targetPort: 8080
    nodePort: 31666
    protocol: TCP
  selector:
    app: kube-state-metrics

[root@xianchaomaster1 case]# kubectl apply -f case5-kube-state-metrics-deploy.yaml

[root@xianchaomaster1 case]# kubectl get pods -n kube-system | grep metrics
kube-state-metrics-78b6dd6666-rt9hs         1/1     Running   0          4m53s
[root@xianchaomaster1 case]# kubectl get svc -n kube-system | grep metrics
kube-state-metrics   NodePort    10.103.165.27   <none>        8080:31666/TCP           5m13s

#配置Prometheus
[root@xianchaomaster1 case]# cat /apps/prometheus/prometheus.yml
添加
  - job_name: "prometheus-kube-state-metrics"
    static_configs:
      - targets: ["192.168.40.180:31666"]

[root@xianchaomaster1 case]# systemctl restart prometheus

#Grafana导入模板 13332、13824