#备份与恢复

# 示例：为实例 'my-pg-instance' 配置备份存储
kubectl patch postgresql my-pg-instance -n my-namespace --type='merge' -p '
spec:
  backup:
    retainDay: 7
    storage:
      name: my-s3-config
      bucket: my-backup-bucket
      namespace: storage-namespace
'

# 示例：为集群 'my-pg-cluster' 创建名为 'my-backup' 的备份
cat <<EOF | kubectl create -f -
apiVersion: middleware.alauda.io/v1
kind: PostgresBackup
metadata:
  name: my-backup
  namespace: my-namespace
spec:
  cluster: my-pg-cluster
  executeNode: my-pg-cluster-0  # 可选：指定执行备份的 pod
EOF

kubectl get postgresbackup <backup-name> -n <namespace> -o yaml

cat <<EOF | kubectl create -f -
apiVersion: middleware.alauda.io/v1
kind: PostgresRestore
metadata:
  name: <restore-instance-name>
  namespace: <namespace>
spec:
  backupCluster:
    name: <backup-pg-cluster-name>
    uid: <backup-pg-cluster-uid>
    storage:
      name: <storage-name>
      namespace: <storage-namespace>
      bucket: <s3-bucket-name>
  targetCluster: |
    apiVersion: acid.zalan.do/v1
    kind: postgresql
    metadata:
      name: <new-instance-name>
      namespace: <new-instance-namespace>
    spec:
      enableExporter: true
      enablePgpool2: false
      numberOfInstances: 2
      postgresql:
        version: "16"
      resources:
        limits:
          cpu: "1"
          memory: 2Gi
        requests:
          cpu: "1"
          memory: 2Gi
      teamId: ACID
      volume:
        size: 20Gi
        storageClass: sc-topolvm
  timestamp: "2023-07-26T14:36:38+00:00"  # 恢复的时间点
EOF