Celery-管理与监控

1. 监控和管理Workers

1.1 将celery实例放入shell
[root@node2 app]# celery -A tasks shell
Python 3.6.5 (default, Oct 23 2019, 12:55:54) 
Type 'copyright', 'credits' or 'license' for more information
IPython 7.8.0 -- An enhanced Interactive Python. Type '?' for help.

In [1]: app                                                                                                                          
Out[1]: <Celery tasks at 0x7ff7dddbdc18>

In [2]: add.delay(1,2)                                                                                                               
Out[2]: <AsyncResult: c5cfd00f-8b11-4408-95e2-241f2f3d5521>
1.2 查看任务的结果
[root@node2 app]# celery -A tasks  result c5cfd00f-8b11-4408-95e2-241f2f3d5521
3

  

1.3 从所有已配置的任务队列中清除消息
[root@node2 app]# celery -A tasks  purge
WARNING: This will remove all tasks from queue: celery.
         There is no undo for this operation!

(to skip this prompt use the -f option)

Are you sure you want to delete all tasks (yes/NO)? yes
No messages purged from 1 queue

  

您还可以使用-Q选项指定要清除的队列

$ celery -A proj purge -Q celery,foo,bar

并使用-X选项排除清除队列

  $ celery -A proj purge -X celery


1.4 列出活动的任务

  celery -A tasks inspect active

1.5列出计划的ETA任务

  celery -A tasks inspect scheduled

这些是设置etacountdown参数时由工作人员保留的任务 

1.6 列出保留任务
  celery -A tasks inspect reserved

这将列出工作者已经预取的所有任务,并且当前正在等待执行(不包括设置了ETA值的任务)。

1.7 列出已撤销任务的历史记录

  $ celery -A tasks inspect revoked

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1.8 列出注册的任务
  celery -A tasks inspect registered

1.9 显示worker的统计信息
   celery -A tasks inspect stats 
1.10 查询任务信息

  celery -A tasks inspect query_task task_id

1.11启用和禁用事件

  celery -A tasks control enable_events/disable_events

2. Flower: Celery实时的Web监控

2.1 安装flower
pip install flower
2.2 启动Flower
 celery -A tasks flower

 可以添加--port参数指定监听端口,默认监听5555 

或者通过指定Broker URL
$ celery flower --broker=amqp://guest:guest@localhost:5672//
or
$ celery flower --broker=redis://guest:guest@localhost:6379/0

  

3. celery events: Curses Monitor

celery -A tasks events

可以看件如下界面:

 按j,k键可以选中task,查看任务结果

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转载自www.cnblogs.com/zydev/p/11739007.html