{{- if .Values.backup.db.enabled }}
apiVersion: batch/v1
kind: CronJob
metadata:
  name: {{ .Release.Name }}-db-backup
spec:
  schedule: {{ .Values.backup.db.schedule | quote }}
  concurrencyPolicy: Forbid
  successfulJobsHistoryLimit: 1
  failedJobsHistoryLimit: 1
  jobTemplate:
    spec:
      template:
        spec:
          restartPolicy: OnFailure
          containers:
            - name: pg-dump
              image: {{ .Values.backup.db.image }}
              command:
                - /bin/sh
                - -c
                - |
                  set -e
                  mkdir -p /backup
                  TS=$(date +%Y%m%d-%H%M%S)
                  pg_dump -h $PGHOST -U $DB_USER -d $DB_NAME \
                    | gzip > /backup/${FILE_PREFIX}-${TS}.sql.gz
                  find /backup -name "${FILE_PREFIX}-*.sql.gz" -mtime +$RETENTION_DAYS -delete
              env:
                - name: PGHOST
                  value: {{ .Values.backup.db.host | quote }}
                - name: DB_USER
                  value: {{ .Values.backup.db.user | quote }}
                - name: DB_NAME
                  value: {{ .Values.backup.db.database | quote }}
                - name: FILE_PREFIX
                  value: {{ .Values.backup.db.filePrefix | quote }}
                - name: RETENTION_DAYS
                  value: {{ .Values.backup.db.retentionDays | quote }}
                - name: PGPASSWORD
                  valueFrom:
                    secretKeyRef:
                      name: {{ .Values.existingSecret }}
                      key: {{ .Values.backup.db.passwordSecretKey }}
              volumeMounts:
                - name: backup-storage
                  mountPath: /backup
              resources:
                requests:
                  memory: "64Mi"
                  cpu: "50m"
                limits:
                  memory: "256Mi"
                  cpu: "500m"
          volumes:
            - name: backup-storage
              hostPath:
                path: {{ .Values.backup.db.hostPath }}
                type: DirectoryOrCreate
{{- end }}