Add celery usage more

apps/common/README.md

@@ -22,6 +22,7 @@ from __future__ import absolute_import
 
 import time
 from celery import shared_task
+from common import celery_app
 
 
 @shared_task
@@ -31,6 +32,12 @@ def longtime_add(x, y):
     time.sleep(5)
     print 'long time task finished'
     return x + y
+    
+
+@celery_app.task(name='hello-world')
+def hello():
+    print 'hello world!'
+  
 ```
 
 #### Run celery in development 

apps/common/celery.py

@@ -17,6 +17,5 @@ app = Celery('jumpserver')
 # pickle the object when using Windows.
 app.config_from_object('django.conf:settings')
 
-print(settings.BROKER_URL)
 app.autodiscover_tasks(lambda: [app_config.split('.')[0] for app_config in settings.INSTALLED_APPS])
 

apps/ops/tasks.py

@@ -2,6 +2,7 @@ from __future__ import absolute_import
 import time
 
 from celery import shared_task
+from common import celery_app
 
 
 @shared_task
@@ -10,4 +11,9 @@ def longtime_add(x, y):
     # sleep 5 seconds
     time.sleep(5)
     print 'long time task finished'
-    return x + y
+    return x + y
+
+
+@celery_app.task(name='hello-world')
+def hello():
+    print('hello world!')