charts/bitnami/postgresql-ha/templates/pgpool/deployment.yaml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: {{ include "postgresql-ha.pgpool" . }}
  labels: {{ include "postgresql-ha.labels" . | nindent 4 }}
    app.kubernetes.io/component: pgpool
    {{- if .Values.pgpool.labels }}
    {{- include "postgresql-ha.tplValue" (dict "value" .Values.pgpool.labels "context" $) | nindent 4 }}
    {{- end }}
spec:
  replicas: {{ .Values.pgpool.replicaCount }}
  selector:
    matchLabels: {{ include "postgresql-ha.matchLabels" . | nindent 6 }}
      app.kubernetes.io/component: pgpool
  template:
    metadata:
      labels: {{ include "postgresql-ha.labels" . | nindent 8 }}
        app.kubernetes.io/component: pgpool
        {{- if .Values.pgpool.podLabels }}
        {{- include "postgresql-ha.tplValue" (dict "value" .Values.pgpool.podLabels "context" $) | nindent 8 }}
        {{- end }}
      {{- if .Values.pgpool.podAnnotations }}
      annotations: {{- include "postgresql-ha.tplValue" (dict "value" .Values.pgpool.podAnnotations "context" $) | nindent 8 }}
      {{- end }}
    spec:
{{- include "postgresql-ha.imagePullSecrets" . | indent 6 }}
      {{- if .Values.pgpool.affinity }}
      affinity: {{- include "postgresql-ha.tplValue" (dict "value" .Values.pgpool.affinity "context" $) | nindent 8 }}
      {{- end }}
      {{- if .Values.pgpool.nodeSelector }}
      nodeSelector: {{- include "postgresql-ha.tplValue" (dict "value" .Values.pgpool.nodeSelector "context" $) | nindent 8 }}
      {{- end }}
      priorityClassName: {{ .Values.pgpool.priorityClassName }}
      {{- if .Values.pgpool.tolerations }}
      tolerations: {{- include "postgresql-ha.tplValue" (dict "value" .Values.pgpool.tolerations "context" $) | nindent 8 }}
      {{- end }}
      {{- if .Values.pgpool.securityContext.enabled }}
      securityContext:
        fsGroup: {{ .Values.pgpool.securityContext.fsGroup }}
      {{- end }}
      # Auxiliar vars to populate environment variables
      {{- $postgresqlReplicaCount := int .Values.postgresql.replicaCount }}
      {{- $postgresqlFullname := include "postgresql-ha.postgresql" . }}
      {{- $postgresqlHeadlessServiceName := printf "%s-headless" (include "postgresql-ha.postgresql" .) }}
      {{- $releaseNamespace := .Release.Namespace }}
      {{- $clusterDomain:= .Values.clusterDomain }}
      containers:
        - name: pgpool
          image: {{ include "postgresql-ha.pgpoolImage" . }}
          imagePullPolicy: {{ .Values.pgpoolImage.pullPolicy | quote }}
          {{- if .Values.pgpool.securityContext.enabled }}
          securityContext:
            runAsUser: {{ .Values.pgpool.securityContext.runAsUser }}
          {{- end }}
          env:
            - name: BITNAMI_DEBUG
              value: {{ ternary "true" "false" .Values.pgpoolImage.debug | quote }}
            - name: PGPOOL_BACKEND_NODES
              value: {{range $e, $i := until $postgresqlReplicaCount }}{{ $i }}:{{ $postgresqlFullname }}-{{ $i }}.{{ $postgresqlHeadlessServiceName }}.{{ $releaseNamespace }}.svc.{{ $clusterDomain }}:5432,{{ end }}
            - name: PGPOOL_SR_CHECK_USER
              value: {{ (include "postgresql-ha.postgresqlRepmgrUsername" .) | quote }}
            {{- if .Values.postgresql.usePasswordFile }}
            - name: PGPOOL_SR_CHECK_PASSWORD_FILE
              value: "/opt/bitnami/pgpool/secrets/pgpool-sr-check-password"
            {{- else }}
            - name: PGPOOL_SR_CHECK_PASSWORD
              valueFrom:
                secretKeyRef:
                  name: {{ include "postgresql-ha.postgresqlSecretName" . }}
                  key: repmgr-password
            {{- end }}
            - name: PGPOOL_ENABLE_LOAD_BALANCING
              value: {{ ternary "yes" "no" .Values.pgpool.useLoadBalancing | quote }}
            - name: PGPOOL_ENABLE_LDAP
              value: {{ ternary "yes" "no" .Values.ldap.enabled | quote }}
            {{- if .Values.ldap.enabled }}
            - name: LDAP_URI
              value: {{ .Values.ldap.uri | quote }}
            - name: LDAP_BASE
              value: {{ .Values.ldap.base | quote }}
            - name: LDAP_BIND_DN
              value: {{ .Values.ldap.binddn | quote }}
            - name: LDAP_BIND_PASSWORD
              valueFrom:
                secretKeyRef:
                  name: {{ include "postgresql-ha.ldapSecretName" . }}
                  key: bind-password
            {{- if .Values.ldap.bslookup }}
            - name: LDAP_BASE_LOOKUP
              value: {{ .Values.ldap.bslookup | quote }}
            {{- end }}
            {{- if .Values.ldap.scope }}
            - name: LDAP_SCOPE
              value: {{ .Values.ldap.scope | quote }}
            {{- end }}
            {{- if .Values.ldap.tlsReqcert }}
            - name: LDAP_TLS_REQCERT
              value: {{ .Values.ldap.tlsReqcert | quote }}
            {{- end }}
            - name: LDAP_NSS_INITGROUPS_IGNOREUSERS
              value: {{ .Values.ldap.nssInitgroupsIgnoreusers | quote }}
            {{- end }}
            - name: PGPOOL_POSTGRES_USERNAME
              value: {{ (include "postgresql-ha.postgresqlUsername" .) | quote }}
            {{- if .Values.postgresql.usePasswordFile }}
            - name: PGPOOL_POSTGRES_PASSWORD_FILE
              value: "/opt/bitnami/pgpool/secrets/pgpool-password"
            {{- else }}
            - name: PGPOOL_POSTGRES_PASSWORD
              valueFrom:
                secretKeyRef:
                  name: {{ include "postgresql-ha.postgresqlSecretName" . }}
                  key: postgresql-password
            {{- end }}
            - name: PGPOOL_ADMIN_USERNAME
              value: {{ (include "postgresql-ha.pgpoolAdminUsername" .) | quote }}
            {{- if .Values.pgpool.usePasswordFile }}
            - name: PGPOOL_ADMIN_PASSWORD_FILE
              value: "/opt/bitnami/pgpool/secrets/admin-password"
            {{- else }}
            - name: PGPOOL_ADMIN_PASSWORD
              valueFrom:
                secretKeyRef:
                  name: {{ include "postgresql-ha.pgpoolSecretName" . }}
                  key: admin-password
            {{- end }}
            {{- if .Values.pgpool.maxPool }}
            - name: PGPOOL_MAX_POOL
              value: {{ .Values.pgpool.maxPool | quote }}
            {{- end }}
            {{- if .Values.pgpool.numInitChildren }}
            - name: PGPOOL_NUM_INIT_CHILDREN
              value: {{ .Values.pgpool.numInitChildren | quote }}
            {{- end }}
          ports:
            - name: postgresql
              containerPort: 5432
              protocol: TCP
          {{- if and .Values.pgpool.livenessProbe.enabled (not .Values.ldap.enabled) }}
          livenessProbe:
            exec:
              command:
                - /opt/bitnami/scripts/pgpool/healthcheck.sh
            initialDelaySeconds: {{ .Values.pgpool.livenessProbe.initialDelaySeconds }}
            periodSeconds: {{ .Values.pgpool.livenessProbe.periodSeconds }}
            timeoutSeconds: {{ .Values.pgpool.livenessProbe.timeoutSeconds }}
            successThreshold: {{ .Values.pgpool.livenessProbe.successThreshold }}
            failureThreshold: {{ .Values.pgpool.livenessProbe.failureThreshold }}
          {{- end }}
          {{- if and .Values.pgpool.readinessProbe.enabled (not .Values.ldap.enabled) }}
          readinessProbe:
            exec:
              command:
                - bash
                - -ec
                - PGPASSWORD=${PGPOOL_POSTGRES_PASSWORD} psql -U {{ (include "postgresql-ha.postgresqlUsername" .) | quote }} {{- if not (empty (include "postgresql-ha.postgresqlDatabase" .)) }} -d {{ (include "postgresql-ha.postgresqlDatabase" .) | quote }}{{- end }} -h 127.0.0.1 -tA -c "SELECT 1" >/dev/null
            initialDelaySeconds: {{ .Values.pgpool.readinessProbe.initialDelaySeconds }}
            periodSeconds: {{ .Values.pgpool.readinessProbe.periodSeconds }}
            timeoutSeconds: {{ .Values.pgpool.readinessProbe.timeoutSeconds }}
            successThreshold: {{ .Values.pgpool.readinessProbe.successThreshold }}
            failureThreshold: {{ .Values.pgpool.readinessProbe.failureThreshold }}
          {{- end }}
          {{- if .Values.pgpool.resources }}
          resources: {{- toYaml .Values.pgpool.resources | nindent 12 }}
          {{- end }}
          volumeMounts:
            {{- if or (.Files.Glob "files/pgpool.conf") .Values.pgpool.configuration }}
            - name: pgpool-config
              mountPath: /opt/bitnami/pgpool/conf/
            {{- end }}
            {{- if or (.Files.Glob "files/pgpool-entrypoint-initdb.d/*.sh") .Values.pgpool.initdbScripts .Values.pgpool.initdbScriptsCM  }}
            - name: custom-init-scripts
              mountPath: /docker-entrypoint-initdb.d/
            {{- end }}
            {{- if .Values.pgpool.initdbScriptsSecret }}
            - name: custom-init-scripts-secret
              mountPath: /docker-entrypoint-initdb.d/secret
            {{- end }}
            {{- if .Values.postgresql.usePasswordFile }}
            - name: postgresql-password
              mountPath: /opt/bitnami/pgpool/secrets/
            {{- end }}
            {{- if .Values.pgpool.usePasswordFile }}
            - name: pgpool-password
              mountPath: /opt/bitnami/pgpool/secrets/
            {{- end }}
      volumes:
        {{- if or (.Files.Glob "files/pgpool.conf") .Values.pgpool.configuration }}
        - name: pgpool-config
          configMap:
            name: {{ include "postgresql-ha.pgpoolConfigurationCM" . }}
        {{- end }}
        {{- if or (.Files.Glob "files/pgpool-entrypoint-initdb.d/*.sh") .Values.pgpool.initdbScripts .Values.pgpool.initdbScriptsCM }}
        - name: custom-init-scripts
          configMap:
            name: {{ template "postgresql-ha.pgpoolInitdbScriptsCM" . }}
        {{- end }}
        {{- if .Values.pgpool.initdbScriptsSecret }}
        - name: custom-init-scripts-secret
          secret:
            secretName: {{ template "postgresql-ha.pgpoolInitdbScriptsSecret" . }}
        {{- end }}
        {{- if .Values.postgresql.usePasswordFile }}
        - name: postgresql-password
          secret:
            secretName: {{ include "postgresql-ha.postgresqlSecretName" . }}
            items:
              - key: postgresql-password
                path: pgpool-password
              - key: repmgr-password
                path: pgpool-sr-check-password
        {{- end }}
        {{- if .Values.pgpool.usePasswordFile }}
        - name: pgpool-password
          secret:
            secretName: {{ include "postgresql-ha.pgpoolSecretName" . }}
            items:
              - key: admin-password
                path: admin-password
        {{- end }}