Kubernetes Heapster安装部署

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默认安装的kubernetes没有统计 CPU 和内存Dashboard图表也没有显示，装上 Heapster 后就可以直观地看到各个组件的资源消耗情况，以及kubectl top 查看 nodes pod资源。Heapster已弃用。请考虑使用 metrics-server 和第三方指标管道来收集Prometheus格式的指标。
可以不安装influxdb

执行heapster.yaml文件

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修改: - --source= 、- --sink、images
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---
apiVersion: v1
kind: ServiceAccount
metadata:
  name: heapster
  namespace: kube-system
---

apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: heapster
subjects:
  - kind: ServiceAccount
    name: heapster
    namespace: kube-system
roleRef:
  kind: ClusterRole
  name: system:heapster
  apiGroup: rbac.authorization.k8s.io
---

apiVersion: apps/v1beta1
kind: Deployment
metadata:
  name: heapster
  namespace: kube-system
spec:
  replicas: 1
  selector:
    matchLabels:
      k8s-app: heapster
  template:
    metadata:
      labels:
        task: monitoring
        k8s-app: heapster
    spec:
      serviceAccountName: heapster
      containers:
      - name: heapster
        #image: gcr.io/google_containers/heapster-amd64:v1.5.1
        image: 192.168.19.111/gc/heapster-amd64:v1.5.1 
        imagePullPolicy: IfNotPresent
        command:
        - /heapster
        - --source=kubernetes:https://kubernetes.default
        - --sink=influxdb:http://monitoring-influxdb.kube-system.svc:8086 
---
apiVersion: v1
kind: Service
metadata:
  labels:
    task: monitoring
    # For use as a Cluster add-on (https://github.com/kubernetes/kubernetes/tree/master/cluster/addons)
    # If you are NOT using this as an addon, you should comment out this line.
    #kubernetes.io/cluster-service: 'true'
    kubernetes.io/name: Heapster
  name: heapster
  namespace: kube-system
spec:
  ports:
  - port: 80
    targetPort: 8082
  selector:
    k8s-app: heapster

或者执行

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kubectl apply -f https://github.com/kubernetes/heapster/blob/master/deploy/kube-config/standalone/heapster-controller.yaml

部署influxdb.yaml

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---
apiVersion: apps/v1beta1
kind: Deployment
metadata:
  name: monitoring-influxdb
  namespace: kube-system
spec:
  replicas: 1
  selector:
    matchLabels:
      k8s-app: influxdb
  template:
    metadata:
      labels:
        task: monitoring
        k8s-app: influxdb
    spec:
      containers:
      - name: influxdb
        #image: gcr.io/google_containers/heapster-influxdb-amd64:v1.3.3
        image: mirrorgooglecontainers/heapster-influxdb-amd64:v1.3.3
        volumeMounts:
        - mountPath: /data
          name: influxdb-storage
      volumes:
      - name: influxdb-storage
        emptyDir: {}
---
apiVersion: v1
kind: Service
metadata:
  labels:
    task: monitoring
    # For use as a Cluster add-on (https://github.com/kubernetes/kubernetes/tree/master/cluster/addons)
    # If you are NOT using this as an addon, you should comment out this line.
    # kubernetes.io/cluster-service: 'true'
    kubernetes.io/name: monitoring-influxdb
  name: monitoring-influxdb
  namespace: kube-system
spec:
  ports:
  - port: 8086
    targetPort: 8086
    name: http
  selector:
    k8s-app: influxdb
---

crt