这篇文章给大家分享的是有关Kubernetes 1.8.4中如何安装Heapster的内容。小编觉得挺实用的，因此分享给大家做个参考，一起跟随小编过来看看吧。

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Heapster

      Heapster 是 Kubernetes 社区维护的容器集群监控分析工具。Heapster 会从 Kubernetes apiserver 获得所有 Node 信息，然后再通过这些 Node 来获得 kubelet 上的数据，最后再将所有收集到数据送到 Heapster 的后台储存 InfluxDB，最后利用 Grafana 来抓取 InfluxDB 的数据源来进行可视化。

• 在master通过 kubectl 来创建 kubernetes monitor 即可
  生成kube-heapster.yml

  cat < kube-heapster.yml
  apiVersion: v1
  kind: ServiceAccount
  metadata:
    name: heapster-sa
    namespace: kube-system
    labels:
      kubernetes.io/cluster-service: "true"
      addonmanager.kubernetes.io/mode: Reconcile
  ---
  apiVersion: rbac.authorization.k8s.io/v1
  kind: ClusterRoleBinding
  metadata:
    name: heapster-binding
    labels:
      kubernetes.io/cluster-service: "true"
      addonmanager.kubernetes.io/mode: Reconcile
  roleRef:
    apiGroup: rbac.authorization.k8s.io
    kind: ClusterRole
    name: system:heapster
  subjects:
  - kind: ServiceAccount
    name: heapster
    namespace: kube-system
  ---
  apiVersion: rbac.authorization.k8s.io/v1
  kind: Role
  metadata:
    name: system:pod-nanny
    namespace: kube-system
    labels:
      kubernetes.io/cluster-service: "true"
      addonmanager.kubernetes.io/mode: Reconcile
  rules:
  - apiGroups:
    - ""
    resources:
    - pods
    verbs:
    - get
  - apiGroups:
    - "extensions"
    resources:
    - deployments
    verbs:
    - get
    - update
  ---
  apiVersion: rbac.authorization.k8s.io/v1
  kind: RoleBinding
  metadata:
    name: heapster-binding
    namespace: kube-system
    labels:
      kubernetes.io/cluster-service: "true"
      addonmanager.kubernetes.io/mode: Reconcile
  roleRef:
    apiGroup: rbac.authorization.k8s.io
    kind: Role
    name: system:pod-nanny
  subjects:
  - kind: ServiceAccount
    name: heapster
    namespace: kube-system
  ---
  kind: Service
  apiVersion: v1
  metadata:
    name: heapster
    namespace: kube-system
    labels:
      kubernetes.io/cluster-service: "true"
      addonmanager.kubernetes.io/mode: Reconcile
  spec:
    ports:
      - port: 80
        targetPort: 8082
    selector:
      k8s-app: heapster
  ---
  apiVersion: v1
  kind: Service
  metadata:
    name: monitoring-grafana
    namespace: kube-system
    labels:
      kubernetes.io/cluster-service: "true"
      addonmanager.kubernetes.io/mode: Reconcile
  spec:
    ports:
      - port: 80
        protocol: TCP
        targetPort: ui
    selector:
      k8s-app: influxGrafana
  ---
  apiVersion: v1
  kind: Service
  metadata:
    name: monitoring-influxdb
    namespace: kube-system
    labels:
      kubernetes.io/cluster-service: "true"
      addonmanager.kubernetes.io/mode: Reconcile
  spec:
    ports:
      - name: http
        port: 8083
        targetPort: 8083
      - name: api
        port: 8086
        targetPort: 8086
    selector:
      k8s-app: influxGrafana
  ---
  apiVersion: extensions/v1beta1
  kind: Deployment
  metadata:
    name: heapster
    labels:
      k8s-app: heapster
      kubernetes.io/cluster-service: "true"
      addonmanager.kubernetes.io/mode: Reconcile
    namespace: kube-system
  spec:
    replicas: 1
    selector:
      matchLabels:
        k8s-app: heapster
    template:
      metadata:
        labels:
          k8s-app: heapster
        annotations:
          scheduler.alpha.kubernetes.io/critical-pod: ''
      spec:
        serviceAccountName: heapster-sa
        tolerations:
        - key: node-role.kubernetes.io/master
          effect: NoSchedule
        - key: "CriticalAddonsOnly"
          operator: "Exists"
        containers:
          - image: registry.cn-shenzhen.aliyuncs.com/rancher_cn/heapster-amd64:v1.5.0-beta.0
            name: heapster
            livenessProbe:
              httpGet:
                path: /healthz
                port: 8082
                scheme: HTTP
              initialDelaySeconds: 180
              timeoutSeconds: 5
            command:
              - /heapster
              - --source=kubernetes.summary_api:''
              - --sink=influxdb:http://monitoring-influxdb:8086
          - image: registry.cn-shenzhen.aliyuncs.com/rancher_cn/heapster-amd64:v1.5.0-beta.0
            name: eventer
            command:
              - /eventer
              - --source=kubernetes:''
              - --sink=influxdb:http://monitoring-influxdb:8086
          - image: registry.cn-hangzhou.aliyuncs.com/google_containers/addon-resizer:1.7
            name: heapster-nanny
            resources:
              limits:
                cpu: 100m
                memory: 128Mi
              requests:
                cpu: 50m
                memory: 90Mi
            env:
              - name: MY_POD_NAME
                valueFrom:
                  fieldRef:
                    fieldPath: metadata.name
              - name: MY_POD_NAMESPACE
                valueFrom:
                  fieldRef:
                    fieldPath: metadata.namespace
            command:
              - /pod_nanny
              - --cpu=80m
              - --extra-cpu=0.5m
              - --memory=140Mi
              - --extra-memory=4Mi
              - --threshold=5
              - --deployment=heapster
              - --container=heapster
              - --poll-period=300000
              - --estimator=exponential
          - image: registry.cn-hangzhou.aliyuncs.com/google_containers/addon-resizer:1.7
            name: eventer-nanny
            resources:
              limits:
                cpu: 100m
                memory: 128Mi
              requests:
                cpu: 50m
                memory: 90Mi
            env:
              - name: MY_POD_NAME
                valueFrom:
                  fieldRef:
                    fieldPath: metadata.name
              - name: MY_POD_NAMESPACE
                valueFrom:
                  fieldRef:
                    fieldPath: metadata.namespace
            command:
              - /pod_nanny
              - --cpu=100m
              - --extra-cpu=0m
              - --memory=190Mi
              - --extra-memory=500Ki
              - --threshold=5
              - --deployment=heapster
              - --container=eventer
              - --poll-period=300000
              - --estimator=exponential
  ---
  kind: Deployment
  apiVersion: extensions/v1beta1
  metadata:
    name: influxdb-grafana
    namespace: kube-system
    labels:
      k8s-app: influxGrafana
      kubernetes.io/cluster-service: "true"
      addonmanager.kubernetes.io/mode: Reconcile
  spec:
    replicas: 1
    selector:
      matchLabels:
        k8s-app: influxGrafana
    template:
      metadata:
        labels:
          k8s-app: influxGrafana
        annotations:
          scheduler.alpha.kubernetes.io/critical-pod: ''
      spec:
        tolerations:
        - key: node-role.kubernetes.io/master
          effect: NoSchedule
        - key: "CriticalAddonsOnly"
          operator: "Exists"
        containers:
          - name: influxdb
            image: registry.cn-shenzhen.aliyuncs.com/rancher_cn/heapster-influxdb-amd64:v1.3.3
            resources:
              limits:
                cpu: 100m
                memory: 500Mi
              requests:
                cpu: 100m
                memory: 500Mi
            ports:
              - name: http
                containerPort: 8083
              - name: api
                containerPort: 8086
            volumeMounts:
            - name: influxdb-persistent-storage
              mountPath: /data
          - name: grafana
            image: registry.cn-shenzhen.aliyuncs.com/rancher_cn/heapster-grafana-amd64:v4.4.3
            env:
            resources:
              limits:
                cpu: 100m
                memory: 100Mi
              requests:
                cpu: 100m
                memory: 100Mi
            env:
              - name: INFLUXDB_SERVICE_URL
                value: http://monitoring-influxdb:8086
              - 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: /api/v1/proxy/namespaces/kube-system/services/monitoring-grafana/
            ports:
            - name: ui
              containerPort: 3000
              protocol: TCP
            volumeMounts:
            - name: grafana-persistent-storage
              mountPath: /var
        volumes:
        - name: influxdb-persistent-storage
          emptyDir: {}
        - name: grafana-persistent-storage
          emptyDir: {}
  EOF

  kubectl apply -f kube-heapster.yml

  查看状态

  kubectl -n kube-system get po,svc

  完成后，就可以通过浏览器访问Grafana Dashboard

  https://10.0.0.162:6443/api/v1/proxy/namespaces/kube-system/services/monitoring-grafana

感谢各位的阅读！关于“Kubernetes 1.8.4中如何安装Heapster”这篇文章就分享到这里了，希望以上内容可以对大家有一定的帮助，让大家可以学到更多知识，如果觉得文章不错，可以把它分享出去让更多的人看到吧！

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