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#!/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
# 备份管理函数（删除旧备份并重置 Git 历史）
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
if len(backup_files) > backup_count:
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"
file_name="$2"
python3 -c "
from huggingface_hub import HfApi
api = HfApi(token='$HF_TOKEN')
try:
api.upload_file(
path_or_fileobj='$file_path',
path_in_repo='$file_name',
repo_id='$DATASET_ID',
repo_type='dataset'
)
print(f'Successfully uploaded $file_name')
except Exception as e:
print(f'Error uploading file: {str(e)}')
"
manage_backups
}
# 下载最新备份
download_latest_backup() {
python3 -c "
from huggingface_hub import HfApi
import tarfile, tempfile, os, sys
api = HfApi(token='$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
)
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)}')
"
}
# 首次启动时下载最新备份
echo "Downloading latest backup from HuggingFace..."
download_latest_backup
# 数据同步函数
sync_data() {
while true; do
echo "Starting sync process at $(date)"
if [ -d /app/electerm-web/data ]; then
backup_file="electerm_backup_$(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
sleep ${SYNC_INTERVAL:-7200}
done
}
# 后台启动同步进程
sync_data &
# 启动 Electerm
exec node ./src/app/app.js |