Update sync_data.sh

sync_data.sh

@@ -1,26 +1,39 @@
 #!/bin/sh
-
 # 检查环境变量
 if [ -z "$HF_TOKEN" ] || [ -z "$DATASET_ID" ]; then
     echo "Starting without backup functionality - missing HF_TOKEN or DATASET_ID"
     exec node ./src/app/app.js
     exit 0
 fi
-
 # 激活虚拟环境
 . /opt/venv/bin/activate
 
-# 上传备份
+# 上传备份（新增备份数量管理）
 upload_backup() {
     file_path="$1"
     file_name="$2"
-    
     python3 -c "
 from huggingface_hub import HfApi
 import sys
 import os
+
+def manage_backups(api, repo_id, max_files=50):
+    files = api.list_repo_files(repo_id=repo_id, repo_type='dataset')
+    # 注意前缀改为electerm_backup_
+    backup_files = [f for f in files if f.startswith('electerm_backup_') and f.endswith('.tar.gz')]
+    backup_files.sort()
+    if len(backup_files) >= max_files:
+        files_to_delete = backup_files[:(len(backup_files) - max_files + 1)]
+        for file_to_delete in files_to_delete:
+            try:
+                api.delete_file(path_in_repo=file_to_delete, repo_id=repo_id, repo_type='dataset')
+                print(f'Deleted old backup: {file_to_delete}')
+            except Exception as e:
+                print(f'Error deleting {file_to_delete}: {str(e)}')
+
 api = HfApi(token='$HF_TOKEN')
 try:
+    # 先上传新备份
     api.upload_file(
         path_or_fileobj='$file_path',
         path_in_repo='$file_name',
@@ -28,72 +41,31 @@ try:
         repo_type='dataset'
     )
     print(f'Successfully uploaded $file_name')
-except Exception as e:
-    print(f'Error uploading file: {str(e)}')
-"
-}
-
-# 下载最新备份
-download_latest_backup() {
-    python3 -c "
-from huggingface_hub import HfApi
-import sys
-import os
-import tarfile
-import tempfile
-api = HfApi(token='$HF_TOKEN')
-try:
-    files = api.list_repo_files(repo_id='$DATASET_ID', repo_type='dataset')
-    backup_files = [f for f in files if f.startswith('electerm_backup_') and f.endswith('.tar.gz')]
     
-    if not backup_files:
-        print('No backup files found')
-        sys.exit()
-        
-    latest_backup = sorted(backup_files)[-1]
-    
-    with tempfile.TemporaryDirectory() as temp_dir:
-        filepath = api.hf_hub_download(
-            repo_id='$DATASET_ID',
-            filename=latest_backup,
-            repo_type='dataset',
-            local_dir=temp_dir
-        )
-        
-        if filepath and os.path.exists(filepath):
-            with tarfile.open(filepath, 'r:gz') as tar:
-                tar.extractall('/app/electerm-web/data')
-            print(f'Successfully restored backup from {latest_backup}')
-        
+    # 上传完成后执行备份数量管理
+    manage_backups(api, '$DATASET_ID')
 except Exception as e:
-    print(f'Error downloading backup: {str(e)}')
+    print(f'Error uploading file: {str(e)}')
 "
 }
 
-# 首次启动时下载最新备份
-echo "Downloading latest backup from HuggingFace..."
-download_latest_backup
+# [...] 后续的download_latest_backup和sync_data函数保持不变
 
 # 同步函数
 sync_data() {
     while true; do
         echo "Starting sync process at $(date)"
-        
         if [ -d /app/electerm-web/data ]; then
             timestamp=$(date +%Y%m%d_%H%M%S)
             backup_file="electerm_backup_${timestamp}.tar.gz"
-            
             # 压缩数据目录
             tar -czf "/tmp/${backup_file}" -C /app/electerm-web/data .
-            
             echo "Uploading backup to HuggingFace..."
             upload_backup "/tmp/${backup_file}" "${backup_file}"
-            
             rm -f "/tmp/${backup_file}"
         else
             echo "Data directory does not exist yet, waiting for next sync..."
         fi
-        
         SYNC_INTERVAL=${SYNC_INTERVAL:-7200}
         echo "Next sync in ${SYNC_INTERVAL} seconds..."
         sleep $SYNC_INTERVAL