Update sync_data.sh

sync_data.sh

@@ -10,6 +10,23 @@ fi
 # 激活虚拟环境
 . /opt/venv/bin/activate
 
+# 备份管理函数
+manage_backups() {
+    python3 -c "
+from huggingface_hub import HfApi
+api = HfApi(token='$HF_TOKEN')
+try:
+    files = api.list_repo_files(repo_id='$DATASET_ID', repo_type='dataset')
+    backup_files = sorted([f for f in files if f.startswith('electerm_backup_') and f.endswith('.tar.gz')])
+    backup_count = int('$DATASET_N') if '$DATASET_N'.isdigit() else 5
+    for file in backup_files[:-backup_count]:
+        api.delete_file(path_in_repo=file, repo_id='$DATASET_ID', repo_type='dataset')
+        print(f'Deleted old backup: {file}')
+except Exception as e:
+    print(f'Error managing backups: {str(e)}')
+"
+}
+
 # 上传备份
 upload_backup() {
     file_path="$1"
@@ -17,8 +34,6 @@ upload_backup() {
     
     python3 -c "
 from huggingface_hub import HfApi
-import sys
-import os
 api = HfApi(token='$HF_TOKEN')
 try:
     api.upload_file(
@@ -31,40 +46,32 @@ try:
 except Exception as e:
     print(f'Error uploading file: {str(e)}')
 "
+    
+    manage_backups
 }
 
 # 下载最新备份
 download_latest_backup() {
     python3 -c "
 from huggingface_hub import HfApi
-import sys
-import os
-import tarfile
-import tempfile
+import tarfile, tempfile, os, sys
 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='$DATASET_ID',
-            filename=latest_backup,
-            repo_type='dataset',
-            local_dir=temp_dir
+            repo_id='$DATASET_ID', filename=latest_backup,
+            repo_type='dataset', local_dir=temp_dir
         )
-        
-        if filepath and os.path.exists(filepath):
+        if 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}')
-        
 except Exception as e:
     print(f'Error downloading backup: {str(e)}')
 "
@@ -74,29 +81,20 @@ except Exception as e:
 echo "Downloading latest backup from HuggingFace..."
 download_latest_backup
 
-# 同步函数
+# 数据同步函数
 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_${timestamp}.tar.gz"
-            
-            # 压缩数据目录
+            backup_file="electerm_backup_$(date +%Y%m%d_%H%M%S).tar.gz"
             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
+        sleep ${SYNC_INTERVAL:-7200}
     done
 }