jumpserver/apps/common

## Celery 

Jumpserver use celery to run task async. Using redis as the broker, so
you should run a redis instance

* Run redis
```
# yum -y install redis 
or
# docker run -name jumpserver-redis -d -p 6379:6379 redis redis-server
```

* Write tasks in app_name/tasks.py

```
ops/tasks.py

from __future__ import absolute_import

import time
from celery import shared_task


@shared_task
def longtime_add(x, y):
    print 'long time task begins'
    # sleep 5 seconds
    time.sleep(5)
    print 'long time task finished'
    return x + y
```

* Run celery in development 
```
# cd apps
# celery -A common worker -l info 
```

* Test using task
```
# ./manage.py shell
>>> from ops.tasks import longtime_add
>>> res = longtime_add.delay(1, 2)
>>> res.get()
```

### celery usage of jumpserver
Jumpserver use celery to run task async. Using redis as the broker, so you should run a redis instance, Let’s start it

**Run redis server **
'' $ yum -y install redis
'' or
'' $ docker run -name jumpserver-redis -d -p 6379:6379 redis redis-server

**