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- GenerationTaskModel 新增 updated_at 字段(onupdate自动刷新) - 领域模型 GenerationTask 新增 updated_at - repo 新增 cleanup_stale_running 方法:running且updated_at超10分钟→failed - worker启动时(on_worker_ready signal)自动清理 - 任务调度时(generate_video入口)也清理一次 - error_message: 任务执行中断(worker重启/超时) - 配套5个单元测试
56 lines
1.8 KiB
Python
Executable File
56 lines
1.8 KiB
Python
Executable File
"""Worker 启动时的初始化任务 — 孤儿任务清理等。"""
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import logging
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from worker_app.celery_app import celery_app
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from worker_app.db import SessionLocal
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logger = logging.getLogger(__name__)
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ORPHAN_TASK_TIMEOUT_MINUTES = 10
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def cleanup_orphan_tasks(timeout_minutes: int = ORPHAN_TASK_TIMEOUT_MINUTES) -> int:
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"""清理数据库中超时未更新的 running 任务。
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worker 重启或崩溃后,之前处于 running 状态的任务会变成孤儿任务,
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一直卡在 running 不动。通过 updated_at 超时判断并标记为 failed。
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Args:
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timeout_minutes: 超时时间(分钟),默认 10 分钟
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Returns:
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清理的任务数量
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"""
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from packages.adapters.sqlalchemy_impl.generation_task_repository import (
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SQLAlchemyGenerationTaskRepository,
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)
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try:
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session = SessionLocal()
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repo = SQLAlchemyGenerationTaskRepository(session)
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count = repo.cleanup_stale_running(timeout_minutes)
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session.close()
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if count > 0:
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logger.warning("清理了 %d 个超时的孤儿 running 任务", count)
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else:
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logger.info("无孤儿 running 任务需要清理")
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return count
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except Exception as e:
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logger.error("清理孤儿任务失败: %s", e, exc_info=True)
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return 0
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@celery_app.on_after_configure.connect
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def _setup_periodic_tasks(sender, **kwargs):
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"""Celery 配置完成后,注册 worker 启动钩子。"""
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pass
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@celery_app.on_worker_ready.connect
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def _on_worker_ready(sender, **kwargs):
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"""Worker 启动完成后执行 — 清理孤儿任务。"""
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logger.info("Worker 启动完成,开始清理孤儿 running 任务...")
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count = cleanup_orphan_tasks()
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logger.info("Worker 启动清理完成,共清理 %d 个孤儿任务", count)
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