# ============================================================
# PostgreSQL for JuiceFS Metadata
# JuiceFS 元数据存储
# ============================================================
---
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: postgresql-pvc
  namespace: nuwax-rcoder
  labels:
    app: postgresql
spec:
  accessModes: ["ReadWriteOnce"]
  storageClassName: "local-path"  # 单节点环境使用 local-path
  resources:
    requests:
      storage: 10Gi
---
apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: postgresql
  namespace: nuwax-rcoder
spec:
  serviceName: postgresql
  replicas: 1
  selector:
    matchLabels:
      app: postgresql
  template:
    metadata:
      labels:
        app: postgresql
    spec:
      initContainers:
      - name: cleanup
        image: postgres:16-alpine
        command: ["rm", "-rf", "/var/lib/postgresql/data/lost+found"]
        volumeMounts:
        - name: postgres-data
          mountPath: /var/lib/postgresql/data
      containers:
      - name: postgresql
        image: postgres:16-alpine
        ports:
        - containerPort: 5432
          name: postgres
        env:
        - name: POSTGRES_DB
          value: "juicefs"
        - name: POSTGRES_USER
          valueFrom:
            secretKeyRef:
              name: rcoder-credentials
              key: POSTGRES_USER
        - name: POSTGRES_PASSWORD
          valueFrom:
            secretKeyRef:
              name: rcoder-credentials
              key: POSTGRES_PASSWORD
        livenessProbe:
          exec:
            command:
            - pg_isready
            - -U
            - juicefs
          initialDelaySeconds: 30
          periodSeconds: 10
        readinessProbe:
          exec:
            command:
            - pg_isready
            - -U
            - juicefs
          initialDelaySeconds: 5
          periodSeconds: 5
        volumeMounts:
        - name: postgres-data
          mountPath: /var/lib/postgresql/data
      volumes:
      - name: postgres-data
        persistentVolumeClaim:
          claimName: postgresql-pvc
---
apiVersion: v1
kind: Service
metadata:
  name: postgresql
  namespace: nuwax-rcoder
spec:
  selector:
    app: postgresql
  ports:
  - name: postgres
    port: 5432
    targetPort: 5432