k8s的HeapSter和MetricServer监控模型

HeapSter介绍

          用来统一收集和展示k8s集群中各个节点中cAdvisor上报的数据
          HeapSter默认使用的是内存存储 无法持久化保存历史数据
          需要单独安装InfluxDB来保存cAdvisor上报的数

          kubelet中的cAdvisor插件负责收集各自主机和主机上运行Pod的资源数据

1.InfluxDB部署

apiVersion: apps/v1beta1
kind: Deployment
metadata:
  name: monitoring-influxdb
  namespace: kube-system
spec:
  replicas: 1
  template:
    metadata:
      labels:
        task: monitoring
        k8s-app: influxdb
    spec:
      containers:
      - name: influxdb
        image: k8s.gcr.io/heapster-influxdb-amd64:v1.5.2
        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
  selector:
    k8s-app: influxdb

influxdb.yaml