charts/ozone/templates/datanode/datanode-statefulset.yaml

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  distributed with this work for additional information
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  to you 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

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  distributed under the License is distributed on an "AS IS" BASIS,
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{{- $env := concat .Values.env .Values.datanode.env }}
{{- $envFrom := concat .Values.envFrom .Values.datanode.envFrom }}
{{- $nodeSelector := or .Values.datanode.nodeSelector .Values.nodeSelector }}
{{- $affinity := or .Values.datanode.affinity .Values.affinity }}
{{- $tolerations := or .Values.datanode.tolerations .Values.tolerations }}
{{- $securityContext := or .Values.datanode.securityContext .Values.securityContext }}
apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: {{ .Release.Name }}-datanode
  labels:
    {{- include "ozone.labels" . | nindent 4 }}
    app.kubernetes.io/component: datanode
spec:
  replicas: {{ .Values.datanode.replicas }}
  serviceName: {{ .Release.Name }}-datanode-headless
  selector:
    matchLabels:
      {{- include "ozone.selectorLabels" . | nindent 6 }}
      app.kubernetes.io/component: datanode
  template:
    metadata:
      annotations:
        checksum/config: {{ include (print $.Template.BasePath "/ozone-configmap.yaml") . | sha256sum }}
      labels:
        {{- include "ozone.selectorLabels" . | nindent 8 }}
        app.kubernetes.io/component: datanode
    spec:
      containers:
        - name: datanode
          image: "{{ .Values.image.repository }}:{{ .Values.image.tag | default .Chart.AppVersion }}"
          imagePullPolicy: {{ .Values.image.pullPolicy }}
          {{- with .Values.datanode.command }}
          command: {{- tpl (toYaml .) $ | nindent 12 }}
          {{- end }}
          {{- with .Values.datanode.args }}
          args: {{- tpl (toYaml .) $ | nindent 12 }}
          {{- end }}
          env:
            {{- include "ozone.configuration.env" . | nindent 12 }}
            {{- with $env }}
              {{- tpl (toYaml .) $ | nindent 12 }}
            {{- end }}
          {{- with $envFrom }}
          envFrom: {{- tpl (toYaml .) $ | nindent 12 }}
          {{- end }}
          ports:
            - name: ui
              containerPort: {{ .Values.datanode.service.port }}
          livenessProbe:
            httpGet:
              path: /
              port: ui
            initialDelaySeconds: 30
          {{- with .Values.datanode.resources }}
          resources: {{- toYaml . | nindent 12 }}
          {{- end }}
          volumeMounts:
            - name: config
              mountPath: {{ .Values.configuration.dir }}
            - name: {{ .Release.Name }}-datanode
              mountPath: {{ .Values.datanode.persistence.path }}
      {{- with $nodeSelector }}
      nodeSelector: {{- toYaml . | nindent 8 }}
      {{- end }}
      {{- with $affinity }}
      affinity: {{- toYaml . | nindent 8 }}
      {{- end }}
      {{- with $tolerations }}
      tolerations: {{- toYaml . | nindent 8 }}
      {{- end }}
      {{- with $securityContext }}
      securityContext: {{- toYaml . | nindent 8 }}
      {{- end }}
      volumes:
        - name: config
          projected:
            sources:
              - configMap:
                  name: {{ .Release.Name }}-ozone
              {{- with .Values.configuration.filesFrom }}
                {{- tpl (toYaml .) $ | nindent 14 }}
              {{- end }}
        {{- if not .Values.datanode.persistence.enabled }}
        - name: {{ .Release.Name }}-datanode
          emptyDir: {}
        {{- end }}
  {{- if .Values.datanode.persistence.enabled }}
  volumeClaimTemplates:
    - metadata:
        name: {{ .Release.Name }}-datanode
        labels:
          {{- include "ozone.labels" . | nindent 10 }}
          app.kubernetes.io/component: datanode
      spec:
        {{- with .Values.datanode.persistence.accessModes }}
        accessModes: {{- toYaml . | nindent 10 }}
        {{- end }}
        resources:
          requests:
            storage: {{ .Values.datanode.persistence.size }}
        {{- with .Values.scm.persistence.storageClassName }}
        storageClassName: {{ . }}
        {{- end }}
  {{- end }}