73 lines
2.4 KiB
Python
73 lines
2.4 KiB
Python
from __future__ import annotations
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from celery import Celery
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from celery.schedules import crontab
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from app.core.config import get_settings
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def _env_prefix(app_env: str) -> str:
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"""
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根据环境生成前缀：
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- dev -> dev
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- prod -> pro
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说明：Redis ACL 限制使用 `dev:*` / `pro:*`。
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"""
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return "dev" if app_env == "dev" else "pro"
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settings = get_settings()
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prefix = _env_prefix(settings.app_env)
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# 关键：使用 Redis transport 的全局 key 前缀，确保所有 broker key 都在 ACL 允许范围内
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broker_transport_options = {"global_keyprefix": f"{prefix}:"}
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celery_app = Celery(
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"mindfulness",
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broker=settings.celery_broker_url,
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backend=settings.celery_result_backend,
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broker_transport_options=broker_transport_options,
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)
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# 默认不存结果（降低 Redis 占用）。如需结果存储，可在业务中显式开启并设置 TTL。
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celery_app.conf.update(
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task_ignore_result=True if not settings.celery_result_backend else False,
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task_default_queue=f"{prefix}:celery",
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task_default_exchange=f"{prefix}:celery",
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task_default_routing_key=f"{prefix}:celery",
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)
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# 定时任务（Celery Beat）
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# 说明：
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# - 每天运行一次“生成推送计划”，为所有开启每日提醒的用户生成当天/明天的随机抖动时间点，并投递 ETA 发送任务
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# - 这里按 UTC 00:10 触发一次；具体时间可按运维习惯调整
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celery_app.conf.timezone = "UTC"
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celery_app.conf.beat_schedule = {
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# Beat 心跳：用于 API 健康检查判断 beat 是否在跑
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"ops-beat-heartbeat": {
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"task": "tasks.ops.beat_heartbeat",
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"schedule": crontab(minute="*/1"),
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"options": {"queue": f"{prefix}:celery"},
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},
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"push-generate-daily-schedule": {
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"task": "tasks.push.generate_daily_schedule",
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"schedule": crontab(minute=10, hour=0),
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"kwargs": {"max_users": 5000},
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"options": {"queue": f"{prefix}:celery"},
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}
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,
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# 补偿：每 5 分钟扫描一次 overdue scheduled 并重投递
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"push-requeue-overdue": {
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"task": "tasks.push.requeue_overdue",
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"schedule": crontab(minute="*/5"),
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"kwargs": {"grace_seconds": 300, "limit": 200},
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"options": {"queue": f"{prefix}:celery"},
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},
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}
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# 自动发现任务（约定：导入 app.tasks 触发其内部对子模块的显式导入）
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celery_app.autodiscover_tasks(["app"])
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