helm/templates/datanode.yaml

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apiVersion: v1
kind: Service
metadata:
  namespace: {{ .Release.Namespace }}
  name: {{ .Values.datanode.name }}-svc
  labels:
    app: {{ .Values.datanode.name }}
spec:
  type: NodePort
  ports:
    - port: 6667
      targetPort: 6667
      name: rpc
  selector:
    app: {{ .Values.datanode.name }}
---
apiVersion: apps/v1
kind: StatefulSet
metadata:
  namespace: {{ .Release.Namespace }}
  name: {{ .Values.datanode.name }}
spec:
  selector:
    matchLabels:
      app: {{ .Values.datanode.name }}
  serviceName: {{ .Values.datanode.name }}-svc
  replicas: {{ .Values.datanode.nodeCount }}
  template:
    metadata:
      labels:
        app: {{ .Values.datanode.name }}
    spec:
      terminationGracePeriodSeconds: 10
      initContainers:
      - name: init-datanode
        image: busybox
        command: [ 'sh', '-c', 'mkdir -p /iotdb/ && touch /iotdb/.env' ]
        volumeMounts:
        - name: map-datanode
          mountPath: /iotdb
      containers:
      - name: datanode
        image: {{ printf "%s:%s" .Values.image.repository .Values.image.tag }}
        command: ["/bin/bash", "-c", "/iotdb/sbin/entrypoint.sh datanode;cp /iotdb/.env /iotdb/activation/.env"]
        envFrom:
        - configMapRef:
            name: {{ .Values.datanode.name }}-cm
        env:
          - name: POD_NAME
            valueFrom:
              fieldRef:
                fieldPath: metadata.name
          - name: dn_rpc_address
            value: "$(POD_NAME).{{ .Values.datanode.name }}-svc.{{ .Release.Namespace }}"
          - name: dn_internal_address
            value: "$(POD_NAME).{{ .Values.datanode.name }}-svc.{{ .Release.Namespace }}"
        ports:
        - containerPort: 80
          name: web
        - containerPort: 6667
          name: rpc
        - containerPort: 18080
          name: rest
        - containerPort: 10730
          name: internal
        - containerPort: 10740
          name: mpp-exchange
        - containerPort: 10750
          name: schema-cons
        - containerPort: 10760
          name: data-cons
        volumeMounts:
        - name: map-datanode
          mountPath: /iotdb/data
          subPath: data
        - name: map-datanode
          mountPath: /iotdb/ext
          subPath: ext
        - name: map-datanode
          mountPath: /iotdb/logs
          subPath: logs
        - name: map-datanode
          mountPath: /iotdb/.env
          subPath: .env
        resources:
          requests:
            cpu: {{ .Values.datanode.resources.requests.cpu }}
            memory: {{ .Values.datanode.resources.requests.memory }}
  volumeClaimTemplates:
    - metadata:
        name: map-datanode
      spec:
        accessModes: [ "ReadWriteOnce" ]
        storageClassName: {{ .Values.storage.className }}
        resources:
          requests:
            storage: {{ .Values.datanode.storageCapacity }}