apiVersion: {{ include "common.capabilities.deployment.apiVersion" . }}
kind: StatefulSet
metadata:
  name: {{ printf "%s-worker" (include "common.names.fullname" .) }}
  namespace: {{ include "common.names.namespace" . | quote }}
  labels: {{- include "common.labels.standard" . | nindent 4 }}
    app.kubernetes.io/component: worker
    {{- if .Values.commonLabels }}
    {{- include "common.tplvalues.render" ( dict "value" .Values.commonLabels "context" $ ) | nindent 4 }}
    {{- end }}
  {{- if .Values.commonAnnotations }}
  annotations: {{- include "common.tplvalues.render" ( dict "value" .Values.commonAnnotations "context" $ ) | nindent 4 }}
  {{- end }}
spec:
  serviceName: {{ printf "%s-headless" (include "common.names.fullname" .) }}
  replicas: {{ .Values.worker.replicaCount }}
  podManagementPolicy: {{ .Values.worker.podManagementPolicy }}
  {{- if .Values.worker.updateStrategy }}
  updateStrategy: {{- toYaml .Values.worker.updateStrategy | nindent 4 }}
  {{- end }}
  selector:
    matchLabels: {{- include "common.labels.matchLabels" . | nindent 6 }}
      app.kubernetes.io/component: worker
  template:
    metadata:
      labels: {{- include "common.labels.standard" . | nindent 8 }}
        app.kubernetes.io/component: worker
        {{- if .Values.worker.podLabels }}
          {{- include "common.tplvalues.render" (dict "value" .Values.worker.podLabels "context" $) | nindent 8 }}
        {{- end }}
      {{- if or .Values.worker.podAnnotations .Values.metrics.enabled }}
      annotations:
      {{- if .Values.worker.podAnnotations }}
        {{- include "common.tplvalues.render" (dict "value" .Values.worker.podAnnotations "context" $) | nindent 8 }}
      {{- end }}
      {{- if and .Values.metrics.enabled }}
        {{- include "common.tplvalues.render" ( dict "value" .Values.metrics.workerAnnotations "context" $) | nindent 8 }}
      {{- end }}
      {{- end }}
    spec:
      {{- include "spark.imagePullSecrets" . | nindent 6 }}
      serviceAccountName: {{ template "spark.serviceAccountName" . }}
      {{- if .Values.worker.affinity }}
      affinity: {{- include "common.tplvalues.render" (dict "value" .Values.worker.affinity "context" $) | nindent 8 }}
      {{- else }}
      affinity:
        podAffinity: {{- include "common.affinities.pods" (dict "type" .Values.worker.podAffinityPreset "component" "worker" "context" $) | nindent 10 }}
        podAntiAffinity: {{- include "common.affinities.pods" (dict "type" .Values.worker.podAntiAffinityPreset "component" "worker" "context" $) | nindent 10 }}
        nodeAffinity: {{- include "common.affinities.nodes" (dict "type" .Values.worker.nodeAffinityPreset.type "key" .Values.worker.nodeAffinityPreset.key "values" .Values.worker.nodeAffinityPreset.values) | nindent 10 }}
      {{- end }}
      {{- if .Values.worker.hostAliases }}
      hostAliases: {{- include "common.tplvalues.render" (dict "value" .Values.worker.hostAliases "context" $) | nindent 8 }}
      {{- end }}
      {{- if .Values.worker.nodeSelector }}
      nodeSelector: {{- include "common.tplvalues.render" (dict "value" .Values.worker.nodeSelector "context" $) | nindent 8 }}
      {{- end }}
      {{- if .Values.worker.tolerations }}
      tolerations: {{- include "common.tplvalues.render" (dict "value" .Values.worker.tolerations "context" $) | nindent 8 }}
      {{- end }}
      {{- if .Values.worker.priorityClassName }}
      priorityClassName: {{ .Values.worker.priorityClassName | quote }}
      {{- end }}
      {{- if .Values.worker.schedulerName }}
      schedulerName: {{ .Values.worker.schedulerName | quote }}
      {{- end }}
      {{- if .Values.worker.topologySpreadConstraints }}
      topologySpreadConstraints: {{- include "common.tplvalues.render" (dict "value" .Values.worker.topologySpreadConstraints "context" .) | nindent 8 }}
      {{- end }}
      {{- if .Values.worker.podSecurityContext.enabled }}
      securityContext: {{- omit .Values.worker.podSecurityContext "enabled" | toYaml | nindent 8 }}
      {{- end }}
      {{- if .Values.worker.terminationGracePeriodSeconds }}
      terminationGracePeriodSeconds: {{ .Values.worker.terminationGracePeriodSeconds }}
      {{- end }}
      {{- if .Values.hostNetwork }}
      hostNetwork: true
      dnsPolicy: ClusterFirstWithHostNet
      {{- end }}
      {{- if or .Values.worker.initContainers .Values.security.ssl.enabled }}
      initContainers:
        {{- if .Values.worker.initContainers }}
        {{ include "common.tplvalues.render" (dict "value" .Values.worker.initContainers "context" $) | trim | nindent 8 }}
        {{- end }}
        {{- if .Values.security.ssl.enabled }}
        - name: init-certs
          image: {{ include "spark.image" . }}
          imagePullPolicy: {{ .Values.image.pullPolicy | quote }}
          command:
          - /bin/bash
          - -ec
          - |-
            {{- if .Values.security.ssl.autoGenerated }}
            if [[ -f "/certs/tls.key" ]] && [[ -f "/certs/tls.crt" ]] && [[ -f "/certs/ca.crt" ]]; then
              openssl rsa -aes256 -in /certs/tls.key -out /tmp/tls.key --passout pass:"$SPARK_SSL_KEY_PASSWORD"
              openssl pkcs12 -export -in "/certs/tls.crt" \
                  -passout pass:"$SPARK_SSL_KEYSTORE_PASSWORD" \
                  -inkey "/certs/tls.key" \
                  -out "/tmp/keystore.p12"
              keytool -importkeystore -srckeystore "/tmp/keystore.p12" \
                  -srcstoretype PKCS12 \
                  -srcstorepass "$SPARK_SSL_KEYSTORE_PASSWORD" \
                  -deststorepass "$SPARK_SSL_KEYSTORE_PASSWORD" \
                  -destkeystore "/opt/bitnami/spark/conf/certs/spark-keystore.jks"
              rm "/tmp/keystore.p12"
              keytool -import -file "/certs/ca.crt" \
                      -keystore "/opt/bitnami/spark/conf/certs/spark-truststore.jks" \
                      -storepass "$SPARK_SSL_TRUSTSTORE_PASSWORD" \
                      -noprompt
            else
                echo "Couldn't find the expected PEM certificates! They are mandatory when encryption via TLS is enabled."
                exit 1
            fi
            {{- else }}
            if [[ -f "/certs/spark-truststore.jks" ]] && [[ -f "/certs/spark-keystore.jks" ]]; then
                cp "/certs/spark-truststore.jks" "/opt/bitnami/spark/conf/certs/spark-truststore.jks"
                cp "/certs/spark-keystore.jks" "/opt/bitnami/spark/conf/certs/spark-keystore.jks"
            else
                echo "Couldn't find the expected Java Key Stores (JKS) files! They are mandatory when encryption via TLS is enabled."
                exit 1
            fi
            {{- end }}
          env:
            - name: SPARK_SSL_KEY_PASSWORD
              valueFrom:
                secretKeyRef:
                  name: {{ include "spark.passwordsSecretName" . }}
                  key: ssl-keystore-password
            - name: SPARK_SSL_KEYSTORE_PASSWORD
              valueFrom:
                secretKeyRef:
                  name: {{ include "spark.passwordsSecretName" . }}
                  key: ssl-keystore-password
            - name: SPARK_SSL_TRUSTSTORE_PASSWORD
              valueFrom:
                secretKeyRef:
                  name: {{ include "spark.passwordsSecretName" . }}
                  key: ssl-truststore-password
          {{- if .Values.security.ssl.resources }}
          resources: {{- toYaml .Values.security.ssl.resources | nindent 12 }}
          {{- end }}
          volumeMounts:
          - name: certs
            mountPath: /certs
          - name: shared-certs
            mountPath: /opt/bitnami/spark/conf/certs
        {{- end }}
      {{- end }}
      containers:
        - name: spark-worker
          image: {{ include "spark.image" . }}
          imagePullPolicy: {{ .Values.image.pullPolicy | quote }}
          {{- if .Values.worker.containerSecurityContext.enabled }}
          securityContext: {{- omit .Values.worker.containerSecurityContext "enabled" | toYaml | nindent 12 }}
          {{- end }}
          {{- if .Values.diagnosticMode.enabled }}
          command: {{- include "common.tplvalues.render" (dict "value" .Values.diagnosticMode.command "context" $) | nindent 12 }}
          {{- else if .Values.worker.command }}
          command: {{- include "common.tplvalues.render" (dict "value" .Values.worker.command "context" $) | nindent 12 }}
          {{- end }}
          {{- if .Values.diagnosticMode.enabled }}
          args: {{- include "common.tplvalues.render" (dict "value" .Values.diagnosticMode.args "context" $) | nindent 12 }}
          {{- else if .Values.worker.args }}
          args: {{- include "common.tplvalues.render" (dict "value" .Values.worker.args "context" $) | nindent 12 }}
          {{- end }}
          ports:
            {{- if .Values.security.ssl.enabled }}
            - name: https
              containerPort: {{ .Values.worker.containerPorts.https }}
              protocol: TCP
            {{- else }}
            - name: http
              containerPort: {{ .Values.worker.containerPorts.http }}
              protocol: TCP
            {{- end }}
            {{- if .Values.worker.containerPorts.cluster }}
            - name: cluster
              containerPort: {{ .Values.worker.containerPorts.cluster }}
            {{- end }}
            {{- if .Values.worker.extraContainerPorts }}
            {{- include "common.tplvalues.render" (dict "value" .Values.worker.extraContainerPorts "context" $) | nindent 12 }}
            {{- end }}
          volumeMounts:
            {{- if .Values.worker.existingConfigmap }}
            - name: config
              mountPath: '/bitnami/spark/conf/'
            {{- end }}
            {{- if .Values.security.ssl.enabled }}
            - name: shared-certs
              mountPath: '/opt/bitnami/spark/conf/certs'
              readOnly: true
            - name: certs
              mountPath: /certs
            {{- end }}
            {{- if .Values.worker.extraVolumeMounts }}
            {{- include "common.tplvalues.render" (dict "value" .Values.worker.extraVolumeMounts "context" $) | nindent 12 }}
            {{- end }}
            {{- if .Values.initScripts }}
            - name: custom-init-scripts
              mountPath: /docker-entrypoint-initdb.d/init-scripts
            {{- end }}
            {{- if .Values.initScriptsCM }}
            - name: custom-init-scripts-cm
              mountPath: /docker-entrypoint-initdb.d/init-scripts-cm
            {{- end }}
            {{- if .Values.initScriptsSecret }}
            - name: custom-init-scripts-secret
              mountPath: /docker-entrypoint-initdb.d/init-scripts-secret
            {{- end }}
          env:
            - name: SPARK_MODE
              value: "worker"
            - name: BITNAMI_DEBUG
              value: {{ ternary "true" "false" (or .Values.image.debug .Values.diagnosticMode.enabled) | quote }}
            - name: SPARK_DAEMON_MEMORY
              value: {{ .Values.worker.daemonMemoryLimit | quote }}
            {{- if .Values.metrics.enabled }}
            - name: SPARK_METRICS_ENABLED
              value: "true"
            {{- end }}
            ## There are some environment variables whose existence needs
            ## to be checked because Spark checks if they are null instead of an
            ## empty string
            {{- if .Values.worker.memoryLimit }}
            - name: SPARK_WORKER_MEMORY
              value: {{ .Values.worker.memoryLimit | quote }}
            {{- end }}
            {{- if .Values.worker.coreLimit }}
            - name: SPARK_WORKER_CORES
              value: {{ .Values.worker.coreLimit | quote }}
            {{- end }}
            {{- if .Values.worker.containerPorts.cluster }}
            - name: SPARK_WORKER_PORT
              value: {{ .Values.worker.containerPorts.cluster | quote }}
            {{- end }}
            {{- if .Values.worker.containerPorts.http  }}
            - name: SPARK_WORKER_WEBUI_PORT
              value: {{ .Values.worker.containerPorts.http | quote }}
            {{- end }}
            {{- if .Values.worker.dir }}
            - name: SPARK_WORKER_DIR
              value: {{ .Values.worker.dir | quote }}
            {{- end }}
            - name: SPARK_DAEMON_JAVA_OPTS
              value: {{ .Values.worker.javaOptions | quote }}
            - name: SPARK_MASTER_URL
              value: {{ printf "spark://%s-master-svc:%d" (include "common.names.fullname" .) (int .Values.service.ports.cluster) }}
            # If you use a custom properties file, it must be loaded using a ConfigMap
            - name: SPARK_WORKER_OPTS
              value: {{ .Values.worker.configOptions }}
            {{- if .Values.security.rpc.authenticationEnabled }}
            - name: SPARK_RPC_AUTHENTICATION_ENABLED
              value: {{ .Values.security.rpc.authenticationEnabled | quote }}
            - name: SPARK_RPC_AUTHENTICATION_SECRET
              valueFrom:
                secretKeyRef:
                  name: {{ include "spark.passwordsSecretName" . }}
                  key: rpc-authentication-secret
            {{- end }}
            {{- if .Values.security.rpc.encryptionEnabled }}
            - name: SPARK_RPC_ENCRYPTION_ENABLED
              value: {{ .Values.security.rpc.encryptionEnabled | quote }}
            {{- end }}
            {{- if .Values.security.storageEncryptionEnabled }}
            - name: SPARK_LOCAL_STORAGE_ENCRYPTION_ENABLED
              value: {{ .Values.security.storageEncryptionEnabled | quote }}
            {{- end }}
            {{- if .Values.security.ssl.enabled }}
            - name: SPARK_SSL_ENABLED
              value: {{ .Values.security.ssl.enabled | quote }}
            - name: SPARK_SSL_KEY_PASSWORD
              valueFrom:
                secretKeyRef:
                  name: {{ include "spark.passwordsSecretName" . }}
                  key: ssl-keystore-password
            - name: SPARK_SSL_KEYSTORE_PASSWORD
              valueFrom:
                secretKeyRef:
                  name: {{ include "spark.passwordsSecretName" . }}
                  key: ssl-keystore-password
            - name: SPARK_SSL_TRUSTSTORE_PASSWORD
              valueFrom:
                secretKeyRef:
                  name: {{ include "spark.passwordsSecretName" . }}
                  key: ssl-truststore-password
            - name: SPARK_SSL_NEED_CLIENT_AUTH
              value: {{ .Values.security.ssl.needClientAuth | quote }}
            - name: SPARK_SSL_PROTOCOL
              value: {{ .Values.security.ssl.protocol | quote }}
            - name: SPARK_WEBUI_SSL_PORT
              value: {{ .Values.worker.containerPorts.https | quote }}
            {{- end }}
            {{- if .Values.worker.extraEnvVars }}
            {{- include "common.tplvalues.render" (dict "value" .Values.worker.extraEnvVars "context" $) | nindent 12 }}
            {{- end }}
          envFrom:
            {{- if .Values.worker.extraEnvVarsCM }}
            - configMapRef:
                name: {{ include "common.tplvalues.render" (dict "value" .Values.worker.extraEnvVarsCM "context" $) }}
            {{- end }}
            {{- if .Values.worker.extraEnvVarsSecret }}
            - secretRef:
                name: {{ include "common.tplvalues.render" (dict "value" .Values.worker.extraEnvVarsSecret "context" $) }}
            {{- end }}
          {{- if not .Values.diagnosticMode.enabled }}
          {{- if .Values.worker.customLivenessProbe }}
          livenessProbe: {{- include "common.tplvalues.render" (dict "value" .Values.worker.customLivenessProbe "context" $) | nindent 12 }}
          {{- else if .Values.worker.livenessProbe.enabled }}
          livenessProbe: {{- include "common.tplvalues.render" (dict "value" (omit .Values.worker.livenessProbe "enabled") "context" $) | nindent 12 }}
            httpGet:
              path: /
              port: {{ .Values.worker.containerPorts.http }}
          {{- end }}
          {{- if .Values.worker.customReadinessProbe }}
          readinessProbe: {{- include "common.tplvalues.render" (dict "value" .Values.worker.customReadinessProbe "context" $) | nindent 12 }}
          {{- else if .Values.worker.readinessProbe.enabled }}
          readinessProbe: {{- include "common.tplvalues.render" (dict "value" (omit .Values.worker.readinessProbe "enabled") "context" $) | nindent 12 }}
            httpGet:
              path: /
              port: {{ .Values.worker.containerPorts.http }}
          {{- end }}
          {{- if .Values.worker.customStartupProbe }}
          startupProbe: {{- include "common.tplvalues.render" (dict "value" .Values.worker.customStartupProbe "context" $) | nindent 12 }}
          {{- else if .Values.worker.startupProbe.enabled }}
          startupProbe: {{- include "common.tplvalues.render" (dict "value" (omit .Values.worker.startupProbe "enabled") "context" $) | nindent 12 }}
            httpGet:
              path: /
              port: {{ .Values.worker.containerPorts.http }}
          {{- end }}
          {{- end }}
          {{- if .Values.worker.lifecycleHooks }}
          lifecycle: {{- include "common.tplvalues.render" (dict "value" .Values.worker.lifecycleHooks "context" $) | nindent 12 }}
          {{- end }}
          {{- if .Values.worker.resources }}
          resources: {{- toYaml .Values.worker.resources | nindent 12 }}
          {{- end }}
        {{- if .Values.worker.sidecars }}
        {{- include "common.tplvalues.render" ( dict "value" .Values.worker.sidecars "context" $) | nindent 8 }}
        {{- end }}
      volumes:
        {{- if .Values.worker.existingConfigmap }}
        - name: config
          configMap:
            name: {{ .Values.worker.existingConfigmap }}
        {{- end }}
        {{- if .Values.security.ssl.enabled }}
        - name: certs
          secret:
            secretName: {{ include "spark.tlsSecretName" . }}
        - name: shared-certs
          emptyDir: {}
        {{- end }}
        {{- if .Values.worker.extraVolumes }}
        {{- include "common.tplvalues.render" (dict "value" .Values.worker.extraVolumes "context" $) | nindent 8 }}
        {{- end }}
        {{- if .Values.initScripts }}
        - name: custom-init-scripts
          configMap:
            name: {{ template "spark.initScripts" . }}
        {{- end }}
        {{- if .Values.initScriptsCM }}
        - name: custom-init-scripts-cm
          configMap:
            name: {{ template ".Values.initScriptsCM" . }}
        {{- end }}
        {{- if .Values.initScriptsSecret }}
        - name: custom-init-scripts-secret
          secret:
            secretName: {{ template ".Values.initScriptsSecret" . }}
            defaultMode: 0755
        {{- end }}
