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xiaoxia-saas/apps/worker/worker_app/tasks/_startup.py
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xiaoxia 54916aff86
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fix(#1714): 同名兜底去重误杀新视频 + ingest 链路孤儿清理/启动恢复 (#1734)
Co-authored-by: xiaoxia <dev@xiaoxiajianji.com>
Co-committed-by: xiaoxia <dev@xiaoxiajianji.com>
2026-09-06 13:41:26 +08:00

289 lines
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Python
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"""Worker 启动时的初始化任务 — 孤儿任务清理等."""
import logging
from celery.signals import worker_ready
from worker_app.db import SessionLocal
logger = logging.getLogger(__name__)
def cleanup_stale_running_with_session(repo, timeout_minutes: int) -> int:
"""清理超时未更新的 running GenerationTask(可注入 repo 的纯核心,便于单测)。
Returns:
清理的任务数量
"""
return len(cleanup_stale_running_with_session_ids(repo, timeout_minutes))
def cleanup_stale_running_with_session_ids(repo, timeout_minutes: int) -> list[tuple[str, str]]:
"""同 cleanup_stale_running_with_session,返回 [(task_id, celery_task_id), ...]。"""
fn = getattr(repo, "cleanup_stale_running_with_ids", None)
if fn is not None:
return fn(timeout_minutes)
# 旧仓储无 _with_ids 方法:降级为计数,无法撤销消息(执行前状态守卫兜底)
count = repo.cleanup_stale_running(timeout_minutes)
return [("", "") for _ in range(count)]
def cleanup_stale_pending_with_session(repo, timeout_minutes: int) -> int:
"""清理超时 pending GenerationTask(可注入 repo 的纯核心,便于单测)。
Returns:
清理的任务数量
"""
return len(cleanup_stale_pending_with_session_ids(repo, timeout_minutes))
def cleanup_stale_pending_with_session_ids(repo, timeout_minutes: int) -> list[tuple[str, str]]:
"""同 cleanup_stale_pending_with_session,返回 [(task_id, celery_task_id), ...]。"""
fn = getattr(repo, "cleanup_stale_pending_with_ids", None)
if fn is not None:
return fn(timeout_minutes)
count = repo.cleanup_stale_pending(timeout_minutes)
return [("", "") for _ in range(count)]
def _revoke_and_purge_stale_messages(items: list[tuple[str, str]]) -> int:
"""把清理掉的任务对应的 Celery 消息撤销并从 Redis 队列清除(#1714)。
防止「DB 已标 failed,但队列消息还在 → 重投执行 → 非法状态转换 → 半成品」。
失败不阻断清理流程(执行前状态守卫是第二道防线)。
"""
biz_ids = [tid for tid, _ in items if tid]
celery_ids = [cid for _, cid in items if cid]
if not biz_ids and not celery_ids:
return 0
try:
from worker_app.celery_app import celery_app as app
from worker_app.core.config import get_settings
from packages.shared.celery_orphan_guard import revoke_and_purge
broker_url = get_settings().broker_url
return revoke_and_purge(
app,
broker_url,
business_task_ids=biz_ids,
celery_task_ids=celery_ids,
)
except Exception as e: # noqa: BLE001
logger.error("撤销作废任务队列消息失败(执行前守卫仍会兜底): %s", e, exc_info=True)
return 0
# 孤儿任务超时阈值:running 任务超过此时间无进度更新则视为卡死。
# 依据:worker.generate_video 硬超时 time_limit=11 分钟,正常任务不可能超过;
# 20 分钟阈值覆盖硬超时 + 重试 + 余量,绝不误杀正常任务。
ORPHAN_TASK_TIMEOUT_MINUTES = 20
# Pending 任务超时阈值:任务创建后超过此时间仍未开始执行则判死。
# 注意区分 running 孤儿阈值(20 分钟):pending 是「排队等待」时间,
# 队列积压(如 20+ 转码任务)时视频生成可能正常排队较久,阈值必须放宽,
# 避免正常排队任务被误杀。队列隔离(#1714)后 generation 队列独占 worker
# 理论上排队极短;保留 45 分钟作为兜底,覆盖 worker 短暂停止消费的场景。
PENDING_TASK_TIMEOUT_MINUTES = 45
def cleanup_orphan_tasks(timeout_minutes: int = ORPHAN_TASK_TIMEOUT_MINUTES) -> int: # pragma: no cover
"""清理数据库中超时未更新的 running GenerationTask(孤儿任务)。
worker 重启或崩溃后,之前处于 running 状态的任务会变成孤儿任务,
一直卡在 running 不动。通过 updated_at 超时判断并标记为 failed。
Args:
timeout_minutes: 超时时间(分钟),默认 10 分钟
Returns:
清理的任务数量
"""
from packages.adapters.sqlalchemy_impl.generation_task_repository import (
SQLAlchemyGenerationTaskRepository,
)
try:
session = SessionLocal()
try:
repo = SQLAlchemyGenerationTaskRepository(session)
items = cleanup_stale_running_with_session_ids(repo, timeout_minutes)
finally:
session.close()
count = len(items)
if count > 0:
logger.warning("清理了 %d 个超时的孤儿 GenerationTask(超过 %d 分钟未更新)", count, timeout_minutes)
purged = _revoke_and_purge_stale_messages(items)
logger.info("孤儿任务对应队列消息撤销/清除完成: %d 条", purged)
else:
logger.info("无孤儿 GenerationTask 需要清理")
return count
except Exception as e:
logger.error("清理孤儿 GenerationTask 失败: %s", e, exc_info=True)
return 0
def cleanup_stale_jobs(timeout_minutes: int = ORPHAN_TASK_TIMEOUT_MINUTES) -> int: # pragma: no cover
"""清理数据库中超时未更新的 running Job(孤儿任务)。
与 cleanup_orphan_tasks 配合,同时清理 Job 表和 GenerationTask 表。
Returns:
清理的任务数量
"""
from datetime import datetime, timedelta, timezone
from packages.adapters.sqlalchemy_impl.models import JobModel
from packages.domain.job import JobStatus
try:
session = SessionLocal()
cutoff = datetime.now(timezone.utc) - timedelta(minutes=timeout_minutes)
stale_jobs = (
session.query(JobModel)
.filter(
JobModel.status == JobStatus.RUNNING.value,
JobModel.updated_at < cutoff,
)
.all()
)
count = 0
stale_items: list[tuple[str, str]] = []
for model in stale_jobs:
stale_items.append((model.id, getattr(model, "celery_task_id", "") or ""))
model.status = JobStatus.FAILED.value
model.error_message = f"任务执行中断(超过 {timeout_minutes} 分钟未更新)"
count += 1
if count > 0:
session.commit()
logger.warning("清理了 %d 个超时的孤儿 Job(超过 %d 分钟未更新)", count, timeout_minutes)
else:
logger.info("无孤儿 Job 需要清理")
session.close()
if count > 0:
_revoke_and_purge_generation(stale_items)
return count
except Exception as e:
logger.error("清理孤儿 Job 失败: %s", e, exc_info=True)
return 0
def cleanup_stale_pending_tasks(timeout_minutes: int = PENDING_TASK_TIMEOUT_MINUTES) -> int: # pragma: no cover
"""清理数据库中卡在 pending 状态超时的 GenerationTask。
全局任务队列有 pending 数量上限,长期卡在 pending 的任务会占满队列,
导致新用户无法创建任务。通过 created_at 超时判断并标记为 failed。
Args:
timeout_minutes: 超时时间(分钟),默认 PENDING_TASK_TIMEOUT_MINUTES
Returns:
清理的任务数量
"""
from packages.adapters.sqlalchemy_impl.generation_task_repository import (
SQLAlchemyGenerationTaskRepository,
)
session = SessionLocal()
try:
repo = SQLAlchemyGenerationTaskRepository(session)
items = cleanup_stale_pending_with_session_ids(repo, timeout_minutes)
count = len(items)
if count > 0:
logger.warning("清理了 %d 个超时的 pending GenerationTask(超过 %d 分钟未处理)", count, timeout_minutes)
purged = _revoke_and_purge_stale_messages(items)
logger.info("超时 pending 任务对应队列消息撤销/清除完成: %d 条", purged)
else:
logger.info("无超时 pending GenerationTask 需要清理")
return count
except Exception as e:
logger.error("清理超时 pending GenerationTask 失败: %s", e, exc_info=True)
return 0
finally:
session.close()
def _revoke_and_purge_generation(items: list[tuple[str, str]]) -> int:
"""撤销 Job 表孤儿任务(TTS/配音等)的队列消息,队列覆盖全部已知队列。"""
biz_ids = [tid for tid, _ in items if tid]
celery_ids = [cid for _, cid in items if cid]
if not biz_ids and not celery_ids:
return 0
try:
from worker_app.celery_app import celery_app as app
from worker_app.core.config import get_settings
from packages.shared.celery_orphan_guard import revoke_and_purge
broker_url = get_settings().broker_url
return revoke_and_purge(
app,
broker_url,
business_task_ids=biz_ids,
celery_task_ids=celery_ids,
queue_names=("generation", "transcode", "celery"),
)
except Exception as e: # noqa: BLE001
logger.error("撤销 Job 队列消息失败: %s", e, exc_info=True)
return 0
def cleanup_all_stale_tasks(timeout_minutes: int = ORPHAN_TASK_TIMEOUT_MINUTES) -> dict: # pragma: no cover
"""统一清理所有超时的孤儿任务。
同时清理 GenerationTask 和 Job 两类表。
Returns:
{"generation_tasks": int, "jobs": int}
"""
gen_count = cleanup_orphan_tasks(timeout_minutes)
job_count = cleanup_stale_jobs(timeout_minutes)
pending_count = cleanup_stale_pending_tasks(PENDING_TASK_TIMEOUT_MINUTES)
total = gen_count + job_count + pending_count
if total > 0:
logger.warning(
"任务清理完成: 孤儿 GenerationTask=%d, 孤儿 Job=%d, 超时 pending=%d, 总计=%d",
gen_count,
job_count,
pending_count,
total,
)
return {"generation_tasks": gen_count, "jobs": job_count, "pending": pending_count}
@worker_ready.connect
def _on_worker_ready(sender, **kwargs): # pragma: no cover
"""Worker 启动完成后执行 — 清理孤儿任务。"""
logger.info("Worker 启动完成,开始清理孤儿 running 任务...")
result = cleanup_all_stale_tasks()
total = result["generation_tasks"] + result["jobs"]
logger.info("Worker 启动清理完成,共清理 %d 个孤儿任务", total)
@worker_ready.connect
def _recover_stuck_ingest_jobs_on_ready(sender, **kwargs): # pragma: no cover
"""Worker 启动完成后恢复卡死在 processing 的 ingest_job#1714)。
容器重启/进程 OOM 导致 transcode 队列 unacked 消息未重投时,processing
ingest_job 会永久卡死。启动时扫描 processing 超 10 分钟的 jobCAS 重置
pending 并重新派单;Redis 锁保证同容器 generation/transcode 双 worker
只有一个执行恢复。旧消息若后来重投,ingest_asset 执行前守卫会丢弃。
"""
try:
from packages.application.ingest_orphan_cleanup import (
make_redis_recovery_lock,
recover_stuck_ingest_jobs_on_startup,
)
session = SessionLocal()
try:
recovered = recover_stuck_ingest_jobs_on_startup(
session,
lock_acquire=make_redis_recovery_lock(),
stuck_minutes=10,
)
finally:
session.close()
logger.info("Worker 启动 ingest 恢复完成,共重新派单 %d 个卡死任务", recovered)
except Exception as e: # noqa: BLE001 — 启动恢复失败不能阻断 worker 起服
logger.error("启动 ingest 恢复扫描失败(beat 巡检仍会兜底标 failed: %s", e, exc_info=True)