Datanode stateful-set

datanode-stateful-set.yaml

- apiVersion: apps/v1beta1
  kind: StatefulSet
  metadata:
    labels:
      app: datanode
      hasuraService: custom
    name: datanode
    namespace: default
  spec:
    serviceName: "datanode"
    replicas: 2
    template:
      metadata:
        creationTimestamp: null
        labels:
          app: datanode
      spec:
        containers:
        - image: uhopper/hadoop-datanode:2.7.2
          imagePullPolicy: IfNotPresent
          name: datanode
          env:
          - name: CORE_CONF_fs_defaultFS
            value: hdfs://namenode-0.namenode:8020
          volumeMounts:
          - name: hdfs-data
            mountPath: /hadoop/dfs/data
    volumeClaimTemplates:
    - metadata:
        name: hdfs-data
      spec:
        accessModes: [ "ReadWriteOnce" ]
        storageClassName: default
        resources:
          requests:
            storage: 1Gi