安装Grafana

导入镜像

[root@k8snode1 prometheus]# ctr -n k8s.io image import heapster-grafana-amd64_v5_0_4.tar.gz 
unpacking k8s.gcr.io/heapster-grafana-amd64:v5.0.4 (sha256:1703015b12590c4c0a34d82e8c69c4e87a6f2303107034c720624e7cd74380da)...done

编写Yaml

[root@k8smaster1 prometheus]# cat grafana.yaml 
apiVersion: apps/v1
kind: Deployment
metadata:
  name: monitor-grafana
  namespace: kube-system
spec:
  replicas: 1
  selector:
    matchLabels:
      task: monitoring
      k8s-app: grafana
  template:
    metadata:
      name: grafana
      labels:
        task: monitoring
        k8s-app: grafana
    spec:
      nodeName: k8smaster1
      containers:
      - name: grafana
        image: k8s.gcr.io/heapster-grafana-amd64:v5.0.4
        imagePullPolicy: IfNotPresent
        ports:
        - containerPort: 3000
          protocol: TCP
        volumeMounts:
        - name: ca-certificates
          mountPath: /etc/ssl/certs
          readOnly: true
        - name: grafana-storage
          mountPath: /var
        env:
        - name: INFLUXDB_HOST
          value: monitoring-influxdb
        - name: GF_SERVER_HTTP_PORT
          value: "3000"
        - name: GF_AUTH_BASIC_ENABLED
          value: "false"
        - name: GF_AUTH_ANONYMOUS_ENABLED
          value: "true"
        - name: GF_AUTH_ANONYMOUS_ORG_ROLE
          value: Admin
        - name: GF_SERVER_ROOT_URL
          value: /
      volumes:
      - name: grafana-storage
        emptyDir: {}
      - name: ca-certificates
        hostPath:
          path: /etc/ssl/certs

---
apiVersion: v1
kind: Service
metadata:
  name: monitoring-grafana
  namespace: kube-system
  annotations:
    prometheus.io/scrape: 'true'
    prometheus.io/port: '9090'
spec:
  ports: 
  - port: 80
    targetPort: 3000
  selector:
    k8s-app: grafana
  type: NodePort

查看创建结果Pod

[root@k8smaster1 prometheus]# kubectl get pods -n kube-system -owide | grep grafana
monitor-grafana-6bdd88f877-ctc56           1/1     Running   0               4m42s   10.244.93.72    k8smaster1   <none>           <none>

查看service创建结果

[root@k8smaster1 prometheus]# kubectl get svc -n kube-system -owide | grep grafana
monitoring-grafana   NodePort    10.108.30.124   <none>        80:30727/TCP             5m43s   k8s-app=grafana

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