Neo
6f8f12314f
包含多个会话的累积代码变更： - backend: AI 聊天服务、触发器调度、认证增强、WebSocket、调度器最小间隔 - admin-web: ETL 状态页、任务管理、调度配置、登录优化 - miniprogram: 看板页面、聊天集成、UI 组件、导航更新 - etl: DWS 新任务（finance_area_daily/board_cache）、连接器增强 - tenant-admin: 项目初始化 - db: 19 个迁移脚本（etl_feiqiu 11 + zqyy_app 8） - packages/shared: 枚举和工具函数更新 - tools: 数据库工具、报表生成、健康检查 - docs: PRD/架构/部署/合约文档更新 Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
94 lines
2.8 KiB
Python
94 lines
2.8 KiB
Python
# -*- coding: utf-8 -*-
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"""ETL 输出目录清理服务
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遍历 EXPORT_ROOT 下每个任务文件夹，按目录名中的时间戳排序，
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只保留最近 N 个运行记录，其余永久删除。
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CHANGE 2026-03-27 | 新增：执行前自动清理输出目录，每类任务只保留最近 10 个运行记录
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"""
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from __future__ import annotations
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import logging
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import os
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import re
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import shutil
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from pathlib import Path
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logger = logging.getLogger(__name__)
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# 运行记录目录命名格式：{TASK_CODE}-{run_id}-{YYYYMMDD}-{HHMMSS}
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# 按最后两段（日期-时间）排序
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_RUN_DIR_PATTERN = re.compile(r"^.+-(\d{8})-(\d{6})$")
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def _get_export_root() -> Path:
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"""从环境变量读取 EXPORT_ROOT，缺失时报错。"""
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val = os.environ.get("EXPORT_ROOT")
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if not val:
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raise RuntimeError(
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"环境变量 EXPORT_ROOT 未设置，无法执行输出目录清理。"
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"请在 .env 中配置 EXPORT_ROOT。"
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)
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p = Path(val)
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if not p.is_dir():
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raise RuntimeError(f"EXPORT_ROOT 路径不存在或不是目录: {p}")
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return p
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def _sort_key(dirname: str) -> tuple[str, str]:
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"""从目录名提取排序键（日期, 时间），越大越新。"""
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m = _RUN_DIR_PATTERN.match(dirname)
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if m:
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return (m.group(1), m.group(2))
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# 不匹配格式的目录排到最前面（最旧），优先被清理
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return ("00000000", "000000")
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def cleanup_output_dirs(keep: int = 10) -> dict:
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"""清理 EXPORT_ROOT 下每个任务文件夹，只保留最近 keep 个运行记录。
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Returns:
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清理结果摘要 dict，包含 task_folders_scanned / dirs_deleted / errors
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"""
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export_root = _get_export_root()
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total_scanned = 0
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total_deleted = 0
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errors: list[str] = []
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for task_dir in sorted(export_root.iterdir()):
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if not task_dir.is_dir():
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continue
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total_scanned += 1
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# 列出所有子目录（运行记录）
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run_dirs = [d for d in task_dir.iterdir() if d.is_dir()]
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if len(run_dirs) <= keep:
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continue
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# 按时间戳降序排列，保留前 keep 个
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run_dirs.sort(key=lambda d: _sort_key(d.name), reverse=True)
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to_delete = run_dirs[keep:]
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for d in to_delete:
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try:
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shutil.rmtree(d)
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total_deleted += 1
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except Exception as exc:
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msg = f"删除失败 {d}: {exc}"
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logger.warning(msg)
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errors.append(msg)
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logger.info(
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"输出目录清理完成: 扫描 %d 个任务文件夹, 删除 %d 个运行记录, %d 个错误",
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total_scanned, total_deleted, len(errors),
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)
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return {
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"task_folders_scanned": total_scanned,
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"dirs_deleted": total_deleted,
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"errors": errors,
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}
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