apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: {{ include "warframe-db.fullname" . }}
  labels:
    app.kubernetes.io/name: {{ include "warframe-db.name" . }}
spec:
  serviceName: {{ include "warframe-db.fullname" . }}-headless
  replicas: 1
  selector:
    matchLabels:
      app.kubernetes.io/name: {{ include "warframe-db.name" . }}
  template:
    metadata:
      labels:
        app.kubernetes.io/name: {{ include "warframe-db.name" . }}
    spec:
      securityContext:
        fsGroup: 999   # postgres user in official image
      containers:
        - name: postgres
          image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
          imagePullPolicy: {{ .Values.image.pullPolicy }}
          ports:
            - name: postgres
              containerPort: {{ .Values.postgres.port }}
          env:
            - name: POSTGRES_USER
              value: {{ .Values.postgres.user | quote }}
            - name: POSTGRES_DB
              value: {{ .Values.postgres.database | quote }}
            - name: POSTGRES_PASSWORD
              valueFrom:
                secretKeyRef:
                  name: {{ include "warframe-db.fullname" . }}
                  key: POSTGRES_PASSWORD
          volumeMounts:
            - name: data
              mountPath: /var/lib/postgresql/data
          {{- if .Values.probes.enabled }}
          readinessProbe:
            exec:
              command: ["sh","-c","pg_isready -U $POSTGRES_USER -d $POSTGRES_DB -h 127.0.0.1 -p {{ .Values.postgres.port }}"]
            initialDelaySeconds: {{ .Values.probes.initialDelaySeconds }}
            periodSeconds: {{ .Values.probes.periodSeconds }}
            timeoutSeconds: {{ .Values.probes.timeoutSeconds }}
            failureThreshold: {{ .Values.probes.failureThreshold }}
          livenessProbe:
            exec:
              command: ["sh","-c","pg_isready -U $POSTGRES_USER -d $POSTGRES_DB -h 127.0.0.1 -p {{ .Values.postgres.port }}"]
            initialDelaySeconds: {{ add .Values.probes.initialDelaySeconds 10 }}
            periodSeconds: {{ .Values.probes.periodSeconds }}
            timeoutSeconds: {{ .Values.probes.timeoutSeconds }}
            failureThreshold: {{ .Values.probes.failureThreshold }}
          {{- end }}
      {{- with .Values.nodeSelector }}
      nodeSelector:
{{ toYaml . | indent 8 }}
      {{- end }}
      {{- with .Values.tolerations }}
      tolerations:
{{ toYaml . | indent 8 }}
      {{- end }}
      {{- with .Values.affinity }}
      affinity:
{{ toYaml . | indent 8 }}
      {{- end }}
  volumeClaimTemplates:
    - metadata:
        name: data
      spec:
        accessModes: ["ReadWriteOnce"]
        resources:
          requests:
            storage: {{ .Values.persistence.size }}
        {{- if .Values.persistence.storageClassName }}
        storageClassName: {{ .Values.persistence.storageClassName }}
        {{- end }}