说明

含有四个网络，如下表格：

文件名称	说明
namenode-service	一个简单的namenode-service
datanode-service	一个简单的datanode-service
nodemanager-service	一个简单的nodemanager-service
resourcemanager-service	一个简单的resourcemanager-service

namenode-service

apiVersion: v1
kind: Service
metadata:
  name: namenode-service
  labels:
    app: namenode
spec:
  ports:
    - port: 9870
      name: namenode-web
      targetPort: 9870
      protocol: TCP

  clusterIP: None
  selector:
    app: namenode

datanode-service

apiVersion: v1
kind: Service
metadata:
  name: datanode-service
  labels:
    app: datanode
spec:
  ports:
    - port: 9870
      name: datanode-web
      targetPort: 9870
      protocol: TCP

  clusterIP: None
  selector:
    app: datanode

nodemanager-service

apiVersion: v1
kind: Service
metadata:
  name: nodemanager-service
  labels:
    app: nodemanager
spec:
  ports:
    - port: 9870
      name: nodemanager-web
      targetPort: 9870
      protocol: TCP

  clusterIP: None
  selector:
    app: nodemanager

resourcemanager-service

apiVersion: v1
kind: Service
metadata:
  name: resourcemanager-service
  labels:
    app: resourcemanager
spec:
  ports:
    - port: 8088
      name: resourcemanager-web
      targetPort: 8088
      protocol: TCP

    - port: 19888
      name: resourcemanager-history-web
      targetPort: 19888
      protocol: TCP

  clusterIP: None
  selector:
    app: resourcemanager