# Copyright (C) The Arvados Authors. All rights reserved.
#
# SPDX-License-Identifier: Apache-2.0

apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: "arvados-postgres"
  labels:
    app: arvados-postgres
    chart: {{ template "arvados.chart" . }}
    release: {{ .Release.Name }}
    heritage: {{ .Release.Service }}
spec:
  replicas: 1
  podManagementPolicy: Parallel
  serviceName: arvados-postgres
  selector:
    matchLabels:
      app: arvados-postgres
      release: {{ .Release.Name }}
  template:
    metadata:
      labels:
        app: arvados-postgres
        release: {{ .Release.Name }}
    spec:
      terminationGracePeriodSeconds: 1
      containers:
        - name: {{ .Chart.Name }}
          image: "postgres:10"
          imagePullPolicy: {{ .Values.image.pullPolicy }}
          env:
            - name: POSTGRES_HOST_AUTH_METHOD
              value: "trust"
          volumeMounts:
            - name: postgres-configmap
              mountPath: /docker-entrypoint-initdb.d/create_dbs.sh
              subPath: create_dbs.sh
            {{- if .Values.postgres.persistence.enabled }}
            - name: postgres-storage
              mountPath: /var/lib/postgresql
            {{- end }}
      volumes:
        - name: postgres-configmap
          configMap:
            name: postgres-configmap
        {{- if .Values.postgres.persistence.enabled }}
        - name: postgres-storage
          persistentVolumeClaim:
            claimName: {{ .Release.Name }}-postgres-pvc
        {{- end }}
  {{- if .Values.postgres.persistence.enabled }}
  volumeClaimTemplates:
    - metadata:
        name: postgres-storage
      spec:
        storageClassName: {{ .Values.postgres.persistence.storageClass }}
        accessModes:
          - ReadWriteOnce
        resources:
          requests:
            storage: {{ .Values.postgres.persistence.size }}
  {{- end }}