Kubernetes 集群监控 Grafana 可视化部署

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Kubernetes 集群监控Grafana可视化部署

1.1 部署 Grafana
1.1.1 Deployment

vim grafana-deploy.yaml

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apiVersion: apps/v1
kind: Deployment
metadata:
  name: grafana-core
  namespace: kube-system
  labels:
    app: grafana
    component: core
spec:
  replicas: 1
  selector:
    matchLabels:
      app: grafana
      component: core
  template:
    metadata:
      labels:
        app: grafana
        component: core
    spec:
      containers:
      - image: grafana/grafana:4.2.0
        name: grafana-core
        imagePullPolicy: IfNotPresent
        # env:
        resources:
          # keep request = limit to keep this container in guaranteed class
          limits:
            cpu: 100m
            memory: 100Mi
          requests:
            cpu: 100m
            memory: 100Mi
        env:
          # The following env variables set up basic auth twith the default admin user and admin password.
          - name: GF_AUTH_BASIC_ENABLED
            value: "true"
          - name: GF_AUTH_ANONYMOUS_ENABLED
            value: "false"
          # - name: GF_AUTH_ANONYMOUS_ORG_ROLE
          #   value: Admin
          # does not really work, because of template variables in exported dashboards:
          # - name: GF_DASHBOARDS_JSON_ENABLED
          #   value: "true"
        readinessProbe:
          httpGet:
            path: /login
            port: 3000
          # initialDelaySeconds: 30
          # timeoutSeconds: 1
        volumeMounts:
        - name: grafana-persistent-storage
          mountPath: /var
      volumes:
      - name: grafana-persistent-storage
        emptyDir: {}
1.1.2 Service

vim grafana-svc.yaml

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apiVersion: v1
kind: Service
metadata:
  name: grafana
  namespace: kube-system
  labels:
    app: grafana
    component: core
spec:
  type: NodePort
  ports:
    - port: 3000
  selector:
    app: grafana
    component: core
1.1.3 Runing

vim grafana-ing.yaml

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apiVersion: extensions/v1beta1
kind: Ingress
metadata:
   name: grafana
   namespace: kube-system
spec:
   rules:
   - host: k8s.grafana
     http:
       paths:
       - path: /
         backend:
          serviceName: grafana
          servicePort: 3000
1.1.4 Creat
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kubectl create -f grafana-deploy.yaml
kubectl create -f grafana-svc.yaml
kubectl create -f grafana-ing.yaml
1.1.5 Get
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kubectl get pod,svc -n kube-system | grep grafana
#  pod/grafana-core-768b6bf79c-lmq9z       1/1     Running   0          35m
#  service/grafana         NodePort    10.99.106.133    <none>        3000:32389/TCP           35m

#  浏览器访问：[ip:port] http://192.168.60.151:32389/
#  用户名/密码：admin/admin

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