feat: update backup script with cleanup logic

- Adjust the script to include logic for cleaning up old backups
- Added support for handling PostgreSQL data directories
- Ensure temporary directories are cleaned after use

This update improves the backup process by ensuring that old backups
are properly cleaned up to save storage space and enhance efficiency.
It also includes logic to handle specific cases for PostgreSQL
directories, providing a more robust backup operation.

backups/daemonset+cronjob/cm-script.yaml

@@ -46,9 +46,8 @@ data:
     DIR_COUNT=$(find /data/local-csi -mindepth 1 -maxdepth 1 -type d | wc -l)
     if [ "$DIR_COUNT" -eq 0 ]; then
       echo "目录 /data/local-csi 中没有子目录，退出备份"
-      exit 0
+      # exit 0
-    fi
+    else
-    
       # 遍历所有目录
       find /data/local-csi -mindepth 1 -maxdepth 1 -type d | while read dir; do
         DIR_NAME=$(basename "$dir")
@@ -109,6 +108,7 @@ data:
           done
         fi
       done
+    fi
     
     END_TIME=$(date +%s)
     echo "备份完成"

backups/daemonset+cronjob/daemonset.yaml

@@ -23,6 +23,7 @@ spec:
                 operator: NotIn
                 values:
                 - vkvm-us2
+                - aliyun-gz2
       #      - matchExpressions:
       #        #- key: region
       #        #  operator: NotIn