feat: 初始化项目架构
This commit is contained in:
insistence
232
ruoyi-fastapi-backend/config/get_scheduler.py
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232
ruoyi-fastapi-backend/config/get_scheduler.py
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from apscheduler.schedulers.background import BackgroundScheduler
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from apscheduler.jobstores.sqlalchemy import SQLAlchemyJobStore
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from apscheduler.jobstores.memory import MemoryJobStore
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from apscheduler.jobstores.redis import RedisJobStore
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from apscheduler.executors.pool import ThreadPoolExecutor, ProcessPoolExecutor
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from apscheduler.triggers.cron import CronTrigger
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from apscheduler.events import EVENT_ALL
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import json
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from datetime import datetime, timedelta
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from config.database import engine, SQLALCHEMY_DATABASE_URL, SessionLocal
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from config.env import RedisConfig
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from module_admin.service.job_log_service import JobLogService, JobLogModel
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from module_admin.dao.job_dao import Session, JobDao
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from utils.log_util import logger
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import module_task
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# 重写Cron定时
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class MyCronTrigger(CronTrigger):
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@classmethod
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def from_crontab(cls, expr, timezone=None):
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values = expr.split()
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if len(values) != 6 and len(values) != 7:
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raise ValueError('Wrong number of fields; got {}, expected 6 or 7'.format(len(values)))
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second = values[0]
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minute = values[1]
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hour = values[2]
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if '?' in values[3]:
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day = None
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elif 'L' in values[5]:
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day = f"last {values[5].replace('L', '')}"
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elif 'W' in values[3]:
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day = cls.__find_recent_workday(int(values[3].split('W')[0]))
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else:
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day = values[3].replace('L', 'last')
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month = values[4]
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if '?' in values[5] or 'L' in values[5]:
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week = None
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elif '#' in values[5]:
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week = int(values[5].split('#')[1])
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else:
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week = values[5]
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if '#' in values[5]:
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day_of_week = int(values[5].split('#')[0]) - 1
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else:
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day_of_week = None
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year = values[6] if len(values) == 7 else None
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return cls(second=second, minute=minute, hour=hour, day=day, month=month, week=week,
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day_of_week=day_of_week, year=year, timezone=timezone)
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@classmethod
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def __find_recent_workday(cls, day):
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now = datetime.now()
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date = datetime(now.year, now.month, day)
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if date.weekday() < 5:
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return date.day
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else:
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diff = 1
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while True:
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previous_day = date - timedelta(days=diff)
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if previous_day.weekday() < 5:
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return previous_day.day
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else:
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diff += 1
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job_stores = {
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'default': MemoryJobStore(),
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'sqlalchemy': SQLAlchemyJobStore(url=SQLALCHEMY_DATABASE_URL, engine=engine),
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'redis': RedisJobStore(
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**dict(
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host=RedisConfig.HOST,
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port=RedisConfig.PORT,
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username=RedisConfig.USERNAME,
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password=RedisConfig.PASSWORD,
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db=RedisConfig.DB
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)
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)
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}
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executors = {
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'default': ThreadPoolExecutor(20),
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'processpool': ProcessPoolExecutor(5)
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}
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job_defaults = {
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'coalesce': False,
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'max_instance': 1
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}
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scheduler = BackgroundScheduler()
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scheduler.configure(jobstores=job_stores, executors=executors, job_defaults=job_defaults)
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class SchedulerUtil:
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"""
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定时任务相关方法
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"""
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@classmethod
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async def init_system_scheduler(cls, query_db: Session = SessionLocal()):
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"""
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应用启动时初始化定时任务
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:return:
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"""
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logger.info("开始启动定时任务...")
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scheduler.start()
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job_list = JobDao.get_job_list_for_scheduler(query_db)
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for item in job_list:
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query_job = cls.get_scheduler_job(job_id=str(item.job_id))
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if query_job:
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cls.remove_scheduler_job(job_id=str(item.job_id))
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cls.add_scheduler_job(item)
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query_db.close()
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scheduler.add_listener(cls.scheduler_event_listener, EVENT_ALL)
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logger.info("系统初始定时任务加载成功")
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@classmethod
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async def close_system_scheduler(cls):
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"""
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应用关闭时关闭定时任务
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:return:
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"""
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scheduler.shutdown()
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logger.info("关闭定时任务成功")
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@classmethod
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def get_scheduler_job(cls, job_id):
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"""
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根据任务id获取任务对象
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:param job_id: 任务id
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:return: 任务对象
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"""
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query_job = scheduler.get_job(job_id=str(job_id))
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return query_job
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@classmethod
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def add_scheduler_job(cls, job_info):
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"""
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根据输入的任务对象信息添加任务
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:param job_info: 任务对象信息
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:return:
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"""
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scheduler.add_job(
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func=eval(job_info.invoke_target),
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trigger=MyCronTrigger.from_crontab(job_info.cron_expression),
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args=job_info.job_args.split(',') if job_info.job_args else None,
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kwargs=json.loads(job_info.job_kwargs) if job_info.job_kwargs else None,
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id=str(job_info.job_id),
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name=job_info.job_name,
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misfire_grace_time=1000000000000 if job_info.misfire_policy == '3' else None,
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coalesce=True if job_info.misfire_policy == '2' else False,
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max_instances=3 if job_info.concurrent == '0' else 1,
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jobstore=job_info.job_group,
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executor=job_info.job_executor
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)
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@classmethod
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def execute_scheduler_job_once(cls, job_info):
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"""
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根据输入的任务对象执行一次任务
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:param job_info: 任务对象信息
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:return:
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"""
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scheduler.add_job(
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func=eval(job_info.invoke_target),
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trigger='date',
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run_date=datetime.now() + timedelta(seconds=1),
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args=job_info.job_args.split(',') if job_info.job_args else None,
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kwargs=json.loads(job_info.job_kwargs) if job_info.job_kwargs else None,
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id=str(job_info.job_id),
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name=job_info.job_name,
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misfire_grace_time=1000000000000 if job_info.misfire_policy == '3' else None,
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coalesce=True if job_info.misfire_policy == '2' else False,
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max_instances=3 if job_info.concurrent == '0' else 1,
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jobstore=job_info.job_group,
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executor=job_info.job_executor
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)
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@classmethod
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def remove_scheduler_job(cls, job_id):
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"""
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根据任务id移除任务
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:param job_id: 任务id
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:return:
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"""
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scheduler.remove_job(job_id=str(job_id))
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@classmethod
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def scheduler_event_listener(cls, event):
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# 获取事件类型和任务ID
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event_type = event.__class__.__name__
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# 获取任务执行异常信息
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status = '0'
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exception_info = ''
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if event_type == 'JobExecutionEvent' and event.exception:
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exception_info = str(event.exception)
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status = '1'
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job_id = event.job_id
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query_job = cls.get_scheduler_job(job_id=job_id)
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if query_job:
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query_job_info = query_job.__getstate__()
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# 获取任务名称
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job_name = query_job_info.get('name')
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# 获取任务组名
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job_group = query_job._jobstore_alias
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# 获取任务执行器
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job_executor = query_job_info.get('executor')
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# 获取调用目标字符串
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invoke_target = query_job_info.get('func')
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# 获取调用函数位置参数
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job_args = ','.join(query_job_info.get('args'))
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# 获取调用函数关键字参数
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job_kwargs = json.dumps(query_job_info.get('kwargs'))
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# 获取任务触发器
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job_trigger = str(query_job_info.get('trigger'))
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# 构造日志消息
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job_message = f"事件类型: {event_type}, 任务ID: {job_id}, 任务名称: {job_name}, 执行于{datetime.now().strftime('%Y-%m-%d %H:%M:%S')}"
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job_log = JobLogModel(
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jobName=job_name,
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jobGroup=job_group,
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jobExecutor=job_executor,
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invokeTarget=invoke_target,
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jobArgs=job_args,
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jobKwargs=job_kwargs,
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jobTrigger=job_trigger,
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jobMessage=job_message,
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status=status,
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exceptionInfo=exception_info
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)
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session = SessionLocal()
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JobLogService.add_job_log_services(session, job_log)
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session.close()
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