mirror of
https://github.com/fastapi-practices/fastapi-best-architecture.git
synced 2026-09-21 13:12:24 +00:00
Wu Clan
bda9b1d463
* Add distributed lock for scheduled task * Add the task to extend lock * Fix the close
64 lines
2.6 KiB
Python
64 lines
2.6 KiB
Python
#!/usr/bin/env python3
|
|
# -*- coding: utf-8 -*-
|
|
import os
|
|
|
|
import celery
|
|
import celery_aio_pool
|
|
|
|
from backend.app.task.model.result import OVERWRITE_CELERY_RESULT_GROUP_TABLE_NAME, OVERWRITE_CELERY_RESULT_TABLE_NAME
|
|
from backend.app.task.tasks.beat import LOCAL_BEAT_SCHEDULE
|
|
from backend.core.conf import settings
|
|
from backend.core.path_conf import BASE_PATH
|
|
|
|
|
|
def find_task_packages():
|
|
packages = []
|
|
for root, dirs, files in os.walk(os.path.join(BASE_PATH, 'app', 'task', 'tasks')):
|
|
if 'tasks.py' in files:
|
|
package = root.replace(str(BASE_PATH.parent) + os.path.sep, '').replace(os.path.sep, '.')
|
|
packages.append(package)
|
|
return packages
|
|
|
|
|
|
def init_celery() -> celery.Celery:
|
|
"""初始化 Celery 应用"""
|
|
|
|
# TODO: Update this work if celery version >= 6.0.0
|
|
# https://github.com/fastapi-practices/fastapi_best_architecture/issues/321
|
|
# https://github.com/celery/celery/issues/7874
|
|
celery.app.trace.build_tracer = celery_aio_pool.build_async_tracer
|
|
celery.app.trace.reset_worker_optimizations()
|
|
|
|
app = celery.Celery(
|
|
'fba_celery',
|
|
broker=f'redis://:{settings.REDIS_PASSWORD}@{settings.REDIS_HOST}:{settings.REDIS_PORT}/{settings.CELERY_BROKER_REDIS_DATABASE}'
|
|
if settings.CELERY_BROKER == 'redis'
|
|
else f'amqp://{settings.CELERY_RABBITMQ_USERNAME}:{settings.CELERY_RABBITMQ_PASSWORD}@{settings.CELERY_RABBITMQ_HOST}:{settings.CELERY_RABBITMQ_PORT}',
|
|
broker_connection_retry_on_startup=True,
|
|
backend=f'db+{settings.DATABASE_TYPE}+{"pymysql" if settings.DATABASE_TYPE == "mysql" else "psycopg"}'
|
|
f'://{settings.DATABASE_USER}:{settings.DATABASE_PASSWORD}@{settings.DATABASE_HOST}:{settings.DATABASE_PORT}/{settings.DATABASE_SCHEMA}',
|
|
database_engine_options={'echo': settings.DATABASE_ECHO},
|
|
database_table_names={
|
|
'task': OVERWRITE_CELERY_RESULT_TABLE_NAME,
|
|
'group': OVERWRITE_CELERY_RESULT_GROUP_TABLE_NAME,
|
|
},
|
|
result_extended=True,
|
|
# result_expires=0, # 清理任务结果，默认每天凌晨 4 点，0 或 None 表示不清理
|
|
# beat_sync_every=1, # 保存任务状态周期，默认 3 * 60 秒
|
|
beat_schedule=LOCAL_BEAT_SCHEDULE,
|
|
beat_scheduler='backend.app.task.utils.schedulers:DatabaseScheduler',
|
|
task_cls='backend.app.task.tasks.base:TaskBase',
|
|
task_track_started=True,
|
|
enable_utc=False,
|
|
timezone=settings.DATETIME_TIMEZONE,
|
|
)
|
|
|
|
# 自动发现任务
|
|
app.autodiscover_tasks(find_task_packages())
|
|
|
|
return app
|
|
|
|
|
|
# 创建 Celery 实例
|
|
celery_app: celery.Celery = init_celery()
|