apiVersion: apps/v1
apiVersion: extensions/v1beta1
kind: Deployment
metadata:
  name: {{ template "hdfs-k8s.client.fullname" . }}
  labels:
    app: {{ template "hdfs-k8s.client.name" . }}
    chart: {{ template "hdfs-k8s.subchart" . }}
    release: {{ .Release.Name }}
spec:
  replicas: 1
  selector:
    matchLabels:
      app: {{ template "hdfs-k8s.client.name" . }}
      release: {{ .Release.Name }}
  template:
    metadata:
      labels:
        app: {{ template "hdfs-k8s.client.name" . }}
        release: {{ .Release.Name }}
      {{- if .Values.podAnnotations }}
      annotations:
{{ toYaml .Values.podAnnotations | indent 8 }}
      {{- end }}
    spec:
      containers:
        - name: hdfs-client
          image: uhopper/hadoop:2.7.2
          env:
            - name: HADOOP_CUSTOM_CONF_DIR
              value: /etc/hadoop-custom-conf
            - name: MULTIHOMED_NETWORK
              value: "0"
          command: ['/bin/sh', '-c']
          args:
            - /entrypoint.sh /usr/bin/tail -f /var/log/dmesg
          volumeMounts:
            - name: hdfs-config
              mountPath: /etc/hadoop-custom-conf
              readOnly: true
            {{- if .Values.global.kerberosEnabled }}
            - name: kerberos-config
              mountPath: /etc/krb5.conf
              subPath: {{ .Values.global.kerberosConfigFileName }}
              readOnly: true
            {{- end }}
      restartPolicy: Always
      volumes:
        - name: hdfs-config
          configMap:
            name: {{ template "hdfs-k8s.config.fullname" . }}
        {{- if .Values.global.kerberosEnabled }}
        - name: kerberos-config
          configMap:
            name: {{ template "krb5-configmap" . }}
        {{- end }}