refactor to use environmnet settings

vmcelery.py

 from celery import Celery
 from celery import Celery
 from kombu import Queue, Exchange
 from kombu import Queue, Exchange
 from socket import gethostname
 from socket import gethostname
-import os
+from os import getenv
 
 
 HOSTNAME = gethostname()
 HOSTNAME = gethostname()
+AMQP_URI = getenv('AMQP_URI')
+
 
 
 lib_connection = None
 lib_connection = None
 
 
 celery = Celery('vmcelery', backend='amqp',
 celery = Celery('vmcelery', backend='amqp',
-                broker='amqp://cloud:test@10.9.1.31/vmdriver',
-                include=['tasks'])
+                broker=AMQP_URI,
+                include=['vmdriver'])
 
 
 celery.conf.update(
 celery.conf.update(
     CELERY_QUEUES=(
     CELERY_QUEUES=(
@@ -18,6 +20,6 @@ celery.conf.update(
     )
     )
 )
 )
 
 
-if os.getenv('LIBVIRT_KEEPALIVE') is not None:
+if getenv('LIBVIRT_KEEPALIVE') is not None:
     import libvirt
     import libvirt
-    lib_connection = libvirt.open(os.getenv('LIBVIRT_URI'))
+    lib_connection = libvirt.open(getenv('LIBVIRT_URI'))