init
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#!/usr/bin/env python3
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"""
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RustFS 存储结构迁移脚本
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将旧的多桶结构迁移到新的单桶结构：
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旧结构: moldinsight-geometry, moldinsight-stp-files, moldinsight-mold-cavities, moldinsight-html-files, moldinsight-user-files
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新结构: moldinsight-storage/
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├── moldinsight/stp-files/{uuid}.stp
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├── moldinsight/geometry/{file_hash}.json
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├── moldinsight/mold-cavities/{file_hash}.json
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├── moldinsight/html/{file_hash}.json
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└── moldinsight/user-files/{uuid}.{ext}
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注意：这是rustFS，而不是minio，只是用了minio的通用S3接口
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"""
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import asyncio
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import sys
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import os
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from pathlib import Path
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from typing import Dict, List, Optional
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import json
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from datetime import datetime
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# 添加项目根目录和 src 目录到 Python 路径
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project_root = Path(__file__).parent
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src_root = project_root / "src"
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sys.path.insert(0, str(project_root))
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sys.path.insert(0, str(src_root))
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from storage.rustfs_storage import RustFSManager
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from config.settings import settings
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from utils.logger import get_logger
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logger = get_logger(__name__)
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class RustFSMigration:
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"""RustFS 存储结构迁移器"""
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def __init__(self):
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self.rustfs = RustFSManager()
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self.is_connected = False
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# 旧桶名称映射
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self.old_buckets = {
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'stp_files': 'moldinsight-stp-files',
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'geometry_data': 'moldinsight-geometry',
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'mold_cavities': 'moldinsight-mold-cavities',
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'html_files': 'moldinsight-html-files',
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'user_files': 'moldinsight-user-files'
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}
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# 新桶名称
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self.new_bucket = 'moldinsight'
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# 文件类型前缀映射
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self.file_type_mapping = {
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'stp_files': 'stp-files',
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'geometry_data': 'geometry',
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'mold_cavities': 'mold-cavities',
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'html_files': 'html',
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'user_files': 'user-files'
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}
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async def connect(self):
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"""连接到 RustFS"""
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try:
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await self.rustfs.connect(
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endpoint=settings.RUSTFS_ENDPOINT,
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access_key=settings.RUSTFS_ACCESS_KEY,
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secret_key=settings.RUSTFS_SECRET_KEY,
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timeout=settings.RUSTFS_TIMEOUT
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)
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self.is_connected = True
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logger.info("RustFS 连接成功")
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return True
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except Exception as e:
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logger.error(f"RustFS 连接失败: {e}")
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return False
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async def close(self):
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"""关闭连接"""
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await self.rustfs.close()
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self.is_connected = False
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logger.info("RustFS 连接已关闭")
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async def list_old_buckets(self) -> Dict[str, List[Dict]]:
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"""列出所有旧桶及其文件"""
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if not self.is_connected:
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raise RuntimeError("RustFS 未连接")
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buckets_info = {}
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for file_type, bucket_name in self.old_buckets.items():
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try:
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# 检查桶是否存在
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if not self.rustfs.client.bucket_exists(bucket_name):
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logger.info(f"桶不存在: {bucket_name}")
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buckets_info[bucket_name] = []
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continue
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# 列出桶中所有文件
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objects = self.rustfs.client.list_objects(bucket_name, recursive=True)
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files = []
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for obj in objects:
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files.append({
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'object_key': obj.object_name,
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'size': obj.size,
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'last_modified': obj.last_modified,
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'etag': obj.etag
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})
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buckets_info[bucket_name] = files
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logger.info(f"桶 {bucket_name} 包含 {len(files)} 个文件")
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except Exception as e:
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logger.error(f"列出桶 {bucket_name} 失败: {e}")
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buckets_info[bucket_name] = []
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return buckets_info
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async def ensure_new_bucket(self):
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"""确保新桶存在"""
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if not self.is_connected:
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raise RuntimeError("RustFS 未连接")
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try:
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if not self.rustfs.client.bucket_exists(self.new_bucket):
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self.rustfs.client.make_bucket(self.new_bucket)
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logger.info(f"创建新桶: {self.new_bucket}")
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else:
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logger.info(f"新桶已存在: {self.new_bucket}")
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except Exception as e:
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logger.error(f"确保新桶存在失败: {e}")
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raise
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async def migrate_file(self, old_bucket: str, old_object_key: str, file_type: str) -> bool:
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"""迁移单个文件到新结构"""
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try:
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# 下载旧文件
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response = self.rustfs.client.get_object(old_bucket, old_object_key)
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file_data = response.read()
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response.close()
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response.release_conn()
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# 生成新对象键
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if file_type in ['stp_files', 'user_files']:
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# STP文件和用户文件：使用UUID格式
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import uuid
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unique_id = str(uuid.uuid4())
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ext = Path(old_object_key).suffix or ('.stp' if file_type == 'stp_files' else '')
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new_object_key = f"moldinsight/{self.file_type_mapping[file_type]}/{unique_id}{ext}"
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else:
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# JSON数据文件：使用文件哈希格式
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import hashlib
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file_hash = hashlib.sha256(file_data).hexdigest()
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new_object_key = f"moldinsight/{self.file_type_mapping[file_type]}/{file_hash}.json"
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# 上传到新桶
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self.rustfs.client.put_object(
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self.new_bucket,
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new_object_key,
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data=file_data,
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length=len(file_data),
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content_type='application/octet-stream'
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)
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logger.info(f"文件迁移成功: {old_bucket}/{old_object_key} -> {self.new_bucket}/{new_object_key}")
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return True
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except Exception as e:
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logger.error(f"文件迁移失败 {old_bucket}/{old_object_key}: {e}")
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return False
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async def migrate_bucket(self, old_bucket: str, file_type: str) -> Dict[str, any]:
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"""迁移整个桶"""
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if not self.is_connected:
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raise RuntimeError("RustFS 未连接")
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migration_result = {
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'total_files': 0,
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'successful': 0,
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'failed': 0,
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'failed_files': []
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}
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try:
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# 检查桶是否存在
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if not self.rustfs.client.bucket_exists(old_bucket):
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logger.info(f"桶不存在，跳过迁移: {old_bucket}")
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return migration_result
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# 列出桶中所有文件
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objects = self.rustfs.client.list_objects(old_bucket, recursive=True)
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files = list(objects)
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migration_result['total_files'] = len(files)
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logger.info(f"开始迁移桶 {old_bucket}, 包含 {len(files)} 个文件")
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for obj in files:
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success = await self.migrate_file(old_bucket, obj.object_name, file_type)
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if success:
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migration_result['successful'] += 1
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else:
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migration_result['failed'] += 1
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migration_result['failed_files'].append(obj.object_name)
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logger.info(f"桶 {old_bucket} 迁移完成: 成功 {migration_result['successful']}, 失败 {migration_result['failed']}")
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except Exception as e:
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logger.error(f"桶 {old_bucket} 迁移失败: {e}")
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return migration_result
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async def delete_old_buckets(self) -> Dict[str, bool]:
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"""删除所有旧桶（可选操作）"""
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if not self.is_connected:
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raise RuntimeError("RustFS 未连接")
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deletion_results = {}
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for file_type, bucket_name in self.old_buckets.items():
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try:
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# 检查桶是否存在
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if not self.rustfs.client.bucket_exists(bucket_name):
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logger.info(f"桶不存在，跳过删除: {bucket_name}")
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deletion_results[bucket_name] = True
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continue
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# 删除桶中所有文件
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objects = self.rustfs.client.list_objects(bucket_name, recursive=True)
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for obj in objects:
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self.rustfs.client.remove_object(bucket_name, obj.object_name)
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# 删除空桶
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self.rustfs.client.remove_bucket(bucket_name)
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deletion_results[bucket_name] = True
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logger.info(f"桶删除成功: {bucket_name}")
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except Exception as e:
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deletion_results[bucket_name] = False
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logger.error(f"桶删除失败 {bucket_name}: {e}")
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return deletion_results
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async def run_migration(self, delete_old_buckets: bool = False) -> Dict[str, any]:
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"""运行完整迁移流程"""
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migration_summary = {
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'start_time': datetime.now().isoformat(),
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'connection_status': False,
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'old_buckets_info': {},
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'migration_results': {},
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'deletion_results': {},
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'end_time': None,
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'status': 'failed'
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}
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try:
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# 1. 连接
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logger.info("=== RustFS 存储结构迁移开始 ===")
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connection_result = await self.connect()
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if not connection_result:
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raise RuntimeError("无法连接到 RustFS")
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migration_summary['connection_status'] = True
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# 2. 列出旧桶信息
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logger.info("1. 检查旧桶结构...")
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old_buckets_info = await self.list_old_buckets()
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migration_summary['old_buckets_info'] = old_buckets_info
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# 3. 确保新桶存在
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logger.info("2. 确保新桶存在...")
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await self.ensure_new_bucket()
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# 4. 执行迁移
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logger.info("3. 开始迁移文件...")
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migration_results = {}
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for file_type, bucket_name in self.old_buckets.items():
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if old_buckets_info.get(bucket_name):
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logger.info(f"迁移桶: {bucket_name}")
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result = await self.migrate_bucket(bucket_name, file_type)
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migration_results[bucket_name] = result
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else:
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logger.info(f"跳过空桶: {bucket_name}")
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migration_summary['migration_results'] = migration_results
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# 5. 可选：删除旧桶
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if delete_old_buckets:
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logger.info("4. 删除旧桶...")
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deletion_results = await self.delete_old_buckets()
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migration_summary['deletion_results'] = deletion_results
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else:
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logger.info("4. 保留旧桶（跳过删除）")
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# 6. 完成
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migration_summary['status'] = 'completed'
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migration_summary['end_time'] = datetime.now().isoformat()
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logger.info("=== RustFS 存储结构迁移完成 ===")
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return migration_summary
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except Exception as e:
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migration_summary['error'] = str(e)
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migration_summary['end_time'] = datetime.now().isoformat()
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logger.error(f"迁移失败: {e}")
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return migration_summary
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finally:
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await self.close()
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async def main():
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"""主函数"""
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migration = RustFSMigration()
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print("=== RustFS 存储结构迁移工具 ===")
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print("注意：这是rustFS，而不是minio，只是用了minio的通用S3接口")
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print()
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# 询问是否删除旧桶
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delete_old = input("是否在迁移完成后删除旧桶？(y/N): ").strip().lower() == 'y'
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print("\n开始迁移...")
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# 运行迁移
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result = await migration.run_migration(delete_old_buckets=delete_old)
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# 输出结果摘要
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print("\n=== 迁移结果摘要 ===")
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print(f"状态: {result['status']}")
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print(f"开始时间: {result['start_time']}")
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print(f"结束时间: {result['end_time']}")
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if 'error' in result:
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print(f"错误: {result['error']}")
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# 旧桶信息
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print("\n--- 旧桶信息 ---")
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for bucket_name, files in result['old_buckets_info'].items():
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print(f"{bucket_name}: {len(files)} 个文件")
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# 迁移结果
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print("\n--- 迁移结果 ---")
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total_files = 0
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total_success = 0
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total_failed = 0
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for bucket_name, migration_result in result['migration_results'].items():
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print(f"{bucket_name}:")
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print(f" 总文件数: {migration_result['total_files']}")
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print(f" 成功: {migration_result['successful']}")
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print(f" 失败: {migration_result['failed']}")
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total_files += migration_result['total_files']
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total_success += migration_result['successful']
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total_failed += migration_result['failed']
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print(f"\n总计: {total_files} 个文件, 成功 {total_success}, 失败 {total_failed}")
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# 删除结果（如果执行了删除）
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if result['deletion_results']:
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print("\n--- 旧桶删除结果 ---")
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for bucket_name, success in result['deletion_results'].items():
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status = "成功" if success else "失败"
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print(f"{bucket_name}: {status}")
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print("\n=== 迁移完成 ===")
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if __name__ == "__main__":
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asyncio.run(main())
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Reference in New Issue
Block a user