{{- /*

Copyright 2020 Crown Copyright

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

   http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

*/ -}}
{{- if .Values.shell.enabled }}
apiVersion: apps/v1
kind: Deployment
metadata:
  name: {{ template "hdfs.fullname" . }}-shell
  labels:
    {{- include "hdfs.labels" . | nindent 4 }}
    app.kubernetes.io/component: shell
spec:
  replicas: 1
  selector:
    matchLabels:
      {{- include "hdfs.selectorLabels" . | nindent 6 }}
      app.kubernetes.io/component: shell
  template:
    metadata:
      annotations:
        checksum/config: {{ include (print $.Template.BasePath "/config.yaml") . | sha256sum }}
        checksum/secrets: {{ include (print $.Template.BasePath "/secrets.yaml") . | sha256sum }}
      labels:
        {{- include "hdfs.labels" . | nindent 8 }}
        app.kubernetes.io/component: shell
    spec:
      containers:
      - name: shell
        image: {{ .Values.shell.repository }}:{{ .Values.shell.tag }}
        imagePullPolicy: {{ .Values.shell.imagePullPolicy }}
        command:
        - /bin/bash
        stdin: true
        tty: true
        env:
        - name: HADOOP_CONF_DIR
          value: {{ .Values.config.path }}
        volumeMounts:
        - name: config
          mountPath: {{ .Values.config.path }}
          readOnly: true
        - name: secrets
          mountPath: {{ .Values.secrets.path }}
          readOnly: true
        resources:
          {{- toYaml .Values.shell.resources | nindent 10 }}
      volumes:
      - name: config
        configMap:
          name: {{ template "hdfs.fullname" . }}
          optional: false
      - name: secrets
        secret:
          secretName: {{ template "hdfs.fullname" . }}
          optional: false
      {{- with .Values.shell.affinity }}
      affinity:
        {{- toYaml . | nindent 8 }}
      {{- end }}
      {{- with .Values.shell.nodeSelector }}
      nodeSelector:
        {{- toYaml . | nindent 8 }}
      {{- end }}
      {{- with .Values.shell.tolerations }}
      tolerations:
        {{- toYaml . | nindent 8 }}
      {{- end }}
      {{- with .Values.shell.imagePullSecrets }}
      imagePullSecrets:
      {{- range . }}
      - name: {{ . }}
      {{- end }}
      {{- end }}
{{- end }}