Namenode service

service.yaml

- apiVersion: v1
  kind: Service
  metadata:
      app: namenode
      hasuraService: custom
    name: namenode
    namespace: default
  spec:
    ports:
    - port: 8020             #map service port 8020 to pod port 8020
      targetPort: 8020
      protocol: TCP
      name: nn-rpc
    - port: 80               #map service port 80 to pod port 50070
      targetPort: 50070
      protocol: TCP
      name: nn-web
    selector:
      app: namenode
    clusterIP: None