#
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements.  See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file 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
#
# 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.
#
apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: {{ include "dolphinscheduler.fullname" . }}-worker
  labels:
    app.kubernetes.io/name: {{ include "dolphinscheduler.fullname" . }}-worker
    app.kubernetes.io/instance: {{ .Release.Name }}
    app.kubernetes.io/managed-by: {{ .Release.Service }}
    app.kubernetes.io/component: worker
spec:
  podManagementPolicy: {{ .Values.worker.podManagementPolicy }}
  replicas: {{ .Values.worker.replicas }}
  selector:
    matchLabels:
      app.kubernetes.io/name: {{ include "dolphinscheduler.fullname" . }}-worker
      app.kubernetes.io/instance: {{ .Release.Name }}
      app.kubernetes.io/managed-by: {{ .Release.Service }}
      app.kubernetes.io/component: worker
  serviceName: {{ template "dolphinscheduler.fullname" . }}-worker-headless
  template:
    metadata:
      labels:
        app.kubernetes.io/name: {{ include "dolphinscheduler.fullname" . }}-worker
        app.kubernetes.io/instance: {{ .Release.Name }}
        app.kubernetes.io/managed-by: {{ .Release.Service }}
        app.kubernetes.io/component: worker
    spec:
      {{- if .Values.worker.affinity }}
      affinity: {{- toYaml .Values.worker.affinity | nindent 8 }}
      {{- end }}
      {{- if .Values.worker.nodeSelector }}
      nodeSelector: {{- toYaml .Values.worker.nodeSelector | nindent 8 }}
      {{- end }}
      {{- if .Values.worker.tolerations }}
      tolerations: {{- toYaml . | nindent 8 }}
      {{- end }}
      initContainers:
        - name: init-zookeeper
          image: busybox:1.31.0
          command:
            - /bin/sh
            - -ec
            - |
              echo "${ZOOKEEPER_QUORUM}" | awk -F ',' 'BEGIN{ i=1 }{ while( i <= NF ){ print $i; i++ } }' | while read line; do
                  while ! nc -z ${line%:*} ${line#*:}; do
                      counter=$((counter+1))
                      if [ $counter == 5 ]; then
                          echo "Error: Couldn't connect to zookeeper."
                          exit 1
                      fi
                      echo "Trying to connect to zookeeper at ${line}. Attempt $counter."
                      sleep 60
                  done
              done
          env:
            - name: ZOOKEEPER_QUORUM
              {{- if .Values.zookeeper.enabled }}
              value: "{{ template "dolphinscheduler.zookeeper.quorum" . }}"
              {{- else }}
              value: {{ .Values.externalZookeeper.zookeeperQuorum }}
              {{- end }}
        - name: init-postgresql
          image: busybox:1.31.0
          command:
            - /bin/sh
            - -ec
            - |
              while ! nc -z ${POSTGRESQL_HOST} ${POSTGRESQL_PORT}; do
                  counter=$((counter+1))
                  if [ $counter == 5 ]; then
                      echo "Error: Couldn't connect to postgresql."
                      exit 1
                  fi
                  echo "Trying to connect to postgresql at ${POSTGRESQL_HOST}:${POSTGRESQL_PORT}. Attempt $counter."
                  sleep 60
              done
          env:
            - name: POSTGRESQL_HOST
              {{- if .Values.postgresql.enabled }}
              value: {{ template "dolphinscheduler.postgresql.fullname" . }}
              {{- else }}
              value: {{ .Values.externalDatabase.host | quote }}
              {{- end }}
            - name: POSTGRESQL_PORT
              {{- if .Values.postgresql.enabled }}
              value: "5432"
              {{- else }}
              value: {{ .Values.externalDatabase.port }}
              {{- end }}
      containers:
        - name: {{ include "dolphinscheduler.fullname" . }}-worker
          image: {{ include "dolphinscheduler.image.repository" . | quote }}
          args:
            - "worker-server"
          ports:
            - containerPort: {{ .Values.worker.configmap.WORKER_LISTEN_PORT }}
              name: "worker-port"
            - containerPort: 50051
              name: "logs-port"
          imagePullPolicy: {{ .Values.image.pullPolicy }}
          env:
            - name: TZ
              value: {{ .Values.timezone }}
            - name: WORKER_EXEC_THREADS
              valueFrom:
                configMapKeyRef:
                  name: {{ include "dolphinscheduler.fullname" . }}-worker
                  key: WORKER_EXEC_THREADS
            - name: WORKER_FETCH_TASK_NUM
              valueFrom:
                configMapKeyRef:
                  name: {{ include "dolphinscheduler.fullname" . }}-worker
                  key: WORKER_FETCH_TASK_NUM
            - name: WORKER_HEARTBEAT_INTERVAL
              valueFrom:
                configMapKeyRef:
                  name: {{ include "dolphinscheduler.fullname" . }}-worker
                  key: WORKER_HEARTBEAT_INTERVAL
            - name: WORKER_MAX_CPULOAD_AVG
              valueFrom:
                configMapKeyRef:
                  name: {{ include "dolphinscheduler.fullname" . }}-worker
                  key: WORKER_MAX_CPULOAD_AVG
            - name: WORKER_RESERVED_MEMORY
              valueFrom:
                configMapKeyRef:
                  name: {{ include "dolphinscheduler.fullname" . }}-worker
                  key: WORKER_RESERVED_MEMORY
            - name: WORKER_LISTEN_PORT
              valueFrom:
                configMapKeyRef:
                  name: {{ include "dolphinscheduler.fullname" . }}-worker
                  key: WORKER_LISTEN_PORT
            - name: WORKER_GROUP
              valueFrom:
                configMapKeyRef:
                  name: {{ include "dolphinscheduler.fullname" . }}-worker
                  key: WORKER_GROUP
            - name: DOLPHINSCHEDULER_DATA_BASEDIR_PATH
              valueFrom:
                configMapKeyRef:
                  name: {{ include "dolphinscheduler.fullname" . }}-master
                  key: DOLPHINSCHEDULER_DATA_BASEDIR_PATH
            - name: POSTGRESQL_HOST
              {{- if .Values.postgresql.enabled }}
              value: {{ template "dolphinscheduler.postgresql.fullname" . }}
              {{- else }}
              value: {{ .Values.externalDatabase.host | quote }}
              {{- end }}
            - name: POSTGRESQL_PORT
              {{- if .Values.postgresql.enabled }}
              value: "5432"
              {{- else }}
              value: {{ .Values.externalDatabase.port }}
              {{- end }}
            - name: POSTGRESQL_USERNAME
              {{- if .Values.postgresql.enabled }}
              value: {{ .Values.postgresql.postgresqlUsername }}
              {{- else }}
              value: {{ .Values.externalDatabase.username | quote }}
              {{- end }}
            - name: POSTGRESQL_PASSWORD
              valueFrom:
                secretKeyRef:
                  {{- if .Values.postgresql.enabled }}
                  name: {{ template "dolphinscheduler.postgresql.fullname" . }}
                  key: postgresql-password
                  {{- else }}
                  name: {{ printf "%s-%s" .Release.Name "externaldb"  }}
                  key: db-password
                  {{- end }}
            - name: POSTGRESQL_DATABASE
              {{- if .Values.postgresql.enabled }}
              value: {{ .Values.postgresql.postgresqlDatabase }}
              {{- else }}
              value: {{ .Values.externalDatabase.database | quote }}
              {{- end }}
            - name: ZOOKEEPER_QUORUM
              {{- if .Values.zookeeper.enabled }}
              value: "{{ template "dolphinscheduler.zookeeper.quorum" . }}"
              {{- else }}
              value: {{ .Values.externalZookeeper.zookeeperQuorum }}
              {{- end }}
          {{- if .Values.worker.livenessProbe.enabled }}
          livenessProbe:
            exec:
              command:
                - sh
                - /root/checkpoint.sh
                - WorkerServer
            initialDelaySeconds: {{ .Values.worker.livenessProbe.initialDelaySeconds }}
            periodSeconds: {{ .Values.worker.livenessProbe.periodSeconds }}
            timeoutSeconds: {{ .Values.worker.livenessProbe.timeoutSeconds }}
            successThreshold: {{ .Values.worker.livenessProbe.successThreshold }}
            failureThreshold: {{ .Values.worker.livenessProbe.failureThreshold }}
          {{- end }}
          {{- if .Values.worker.readinessProbe.enabled }}
          readinessProbe:
            exec:
              command:
                - sh
                - /root/checkpoint.sh
                - WorkerServer
            initialDelaySeconds: {{ .Values.worker.readinessProbe.initialDelaySeconds }}
            periodSeconds: {{ .Values.worker.readinessProbe.periodSeconds }}
            timeoutSeconds: {{ .Values.worker.readinessProbe.timeoutSeconds }}
            successThreshold: {{ .Values.worker.readinessProbe.successThreshold }}
            failureThreshold: {{ .Values.worker.readinessProbe.failureThreshold }}
          {{- end }}
          volumeMounts:
            - mountPath: {{ include "dolphinscheduler.worker.base.dir" . | quote }}
              name: {{ include "dolphinscheduler.fullname" . }}-worker-data
            - mountPath: "/opt/dolphinscheduler/logs"
              name: {{ include "dolphinscheduler.fullname" . }}-worker-logs
            - mountPath: "/opt/dolphinscheduler/conf/env/dolphinscheduler_env.sh"
              subPath: "dolphinscheduler_env.sh"
              name: {{ include "dolphinscheduler.fullname" . }}-worker-configmap
      volumes:
        - name: {{ include "dolphinscheduler.fullname" . }}-worker-data
          {{- if .Values.worker.persistentVolumeClaim.dataPersistentVolume.enabled }}
          persistentVolumeClaim:
            claimName: {{ include "dolphinscheduler.fullname" . }}-worker-data
          {{- else }}
          emptyDir: {}
          {{- end }}
        - name: {{ include "dolphinscheduler.fullname" . }}-worker-logs
          {{- if .Values.worker.persistentVolumeClaim.logsPersistentVolume.enabled }}
          persistentVolumeClaim:
            claimName: {{ include "dolphinscheduler.fullname" . }}-worker-logs
          {{- else }}
          emptyDir: {}
          {{- end }}
        - name: {{ include "dolphinscheduler.fullname" . }}-worker-configmap
          configMap:
            defaultMode: 0777
            name: {{ include "dolphinscheduler.fullname" . }}-worker
            items:
              - key: dolphinscheduler_env.sh
                path: dolphinscheduler_env.sh
  {{- if .Values.worker.persistentVolumeClaim.enabled }}
  volumeClaimTemplates:
    {{- if .Values.worker.persistentVolumeClaim.dataPersistentVolume.enabled }}
    - metadata:
        name: {{ include "dolphinscheduler.fullname" . }}-worker-data
        labels:
          app.kubernetes.io/name: {{ include "dolphinscheduler.fullname" . }}-worker-data
          app.kubernetes.io/instance: {{ .Release.Name }}
          app.kubernetes.io/managed-by: {{ .Release.Service }}
      spec:
        accessModes:
        {{- range .Values.worker.persistentVolumeClaim.dataPersistentVolume.accessModes }}
          - {{ . | quote }}
        {{- end }}
        storageClassName: {{ .Values.worker.persistentVolumeClaim.dataPersistentVolume.storageClassName | quote }}
        resources:
          requests:
            storage: {{ .Values.worker.persistentVolumeClaim.dataPersistentVolume.storage | quote }}
    {{- end }}
    {{- if .Values.worker.persistentVolumeClaim.logsPersistentVolume.enabled }}
    - metadata:
        name: {{ include "dolphinscheduler.fullname" . }}-worker-logs
        labels:
          app.kubernetes.io/name: {{ include "dolphinscheduler.fullname" . }}-worker-logs
          app.kubernetes.io/instance: {{ .Release.Name }}
          app.kubernetes.io/managed-by: {{ .Release.Service }}
      spec:
        accessModes:
        {{- range .Values.worker.persistentVolumeClaim.logsPersistentVolume.accessModes }}
          - {{ . | quote }}
        {{- end }}
        storageClassName: {{ .Values.worker.persistentVolumeClaim.logsPersistentVolume.storageClassName | quote }}
        resources:
          requests:
            storage: {{ .Values.worker.persistentVolumeClaim.logsPersistentVolume.storage | quote }}
    {{- end }}
  {{- end }}