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#!/bin/sh
# 检查环境变量
if [ -z "$HF_TOKEN" ] || [ -z "$DATASET_ID" ]; then
echo "缺少必要的环境变量 HF_TOKEN 或 DATASET_ID"
exit 1
fi
# 上传备份
cat > /tmp/hf_sync.py << 'EOL'
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")
backup_files = [f for f in files if f.startswith('webui_backup_') and f.endswith('.db')]
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'已删除旧备份: {file_to_delete}')
except Exception as e:
print(f'删除 {file_to_delete} 时出错: {str(e)}')
def upload_backup(file_path, file_name, token, repo_id):
api = HfApi(token=token)
try:
api.upload_file(
path_or_fileobj=file_path,
path_in_repo=file_name,
repo_id=repo_id,
repo_type="dataset"
)
print(f"成功上传 {file_name}")
manage_backups(api, repo_id)
except Exception as e:
print(f"文件上传出错: {str(e)}")
# 下载最新备份
def download_latest_backup(token, repo_id):
try:
api = HfApi(token=token)
files = api.list_repo_files(repo_id=repo_id, repo_type="dataset")
backup_files = [f for f in files if f.startswith('webui_backup_') and f.endswith('.db')]
if not backup_files:
print("未找到备份文件")
return
latest_backup = sorted(backup_files)[-1]
filepath = api.hf_hub_download(
repo_id=repo_id,
filename=latest_backup,
repo_type="dataset"
)
if filepath and os.path.exists(filepath):
os.makedirs('./data', exist_ok=True)
os.system(f'cp "{filepath}" ./data/webui.db')
print(f"成功从 {latest_backup} 恢复备份")
except Exception as e:
print(f"下载备份时出错: {str(e)}")
if __name__ == "__main__":
action = sys.argv[1]
token = sys.argv[2]
repo_id = sys.argv[3]
if action == "upload":
file_path = sys.argv[4]
file_name = sys.argv[5]
upload_backup(file_path, file_name, token, repo_id)
elif action == "download":
download_latest_backup(token, repo_id)
EOL
# 首次启动时下载最新备份
echo "正在从 HuggingFace 下载最新备份..."
python3 /tmp/hf_sync.py download "${HF_TOKEN}" "${DATASET_ID}"
# 同步函数
sync_data() {
while true; do
echo "开始同步进程 $(date)"
if [ -f "./data/webui.db" ]; then
timestamp=$(date +%Y%m%d_%H%M%S)
backup_file="webui_backup_${timestamp}.db"
# 复制数据库文件
cp ./data/webui.db "/tmp/${backup_file}"
echo "正在上传备份到 HuggingFace..."
python3 /tmp/hf_sync.py upload "${HF_TOKEN}" "${DATASET_ID}" "/tmp/${backup_file}" "${backup_file}"
rm -f "/tmp/${backup_file}"
else
echo "数据库文件不存在，等待下次同步..."
fi
SYNC_INTERVAL=${SYNC_INTERVAL:-7200}
echo "下次同步将在 ${SYNC_INTERVAL} 秒后进行..."
sleep $SYNC_INTERVAL
done
}
# 后台启动同步进程
sync_data & |