change celery result backend

docs/install-node.rst

@@ -77,7 +77,6 @@ Save configuration to virtualenv and activate environment::
   export LIBVIRT_URI=test:///default
   export AMQP_URI=amqp://cloud:password@$(hostname)/circle
   export HYPERVISOR_TYPE=test 
-  export CACHE_URI=pylibmc://$(hostname):11211/
   END
 
 Copy the libvrit bindings to the local virtualenv directory::

netcelery.py

@@ -17,7 +17,6 @@ if HOSTNAME is None:
                     "Hostname format must be hostname.module.priority.")
 
 AMQP_URI = getenv('AMQP_URI')
-CACHE_URI = getenv('CACHE_URI')
 
 
 def to_bool(value):
@@ -37,8 +36,7 @@ celery = Celery('netcelery',
                 include=['netdriver'])
 
 celery.conf.update(
-    CELERY_RESULT_BACKEND='cache',
-    CELERY_CACHE_BACKEND=CACHE_URI,
+    CELERY_RESULT_BACKEND='amqp',
     CELERY_TASK_RESULT_EXPIRES=300,
     CELERY_QUEUES=(
         Queue(HOSTNAME, Exchange(

vmcelery.py

@@ -24,7 +24,6 @@ else:
                         "Hostname format must be hostname.module.priority.")
 
 AMQP_URI = getenv('AMQP_URI')
-CACHE_URI = getenv('CACHE_URI')
 
 
 # Global configuration parameters declaration
@@ -42,8 +41,7 @@ celery = Celery('vmcelery',
                 include=['vmdriver'])
 
 celery.conf.update(
-    CELERY_RESULT_BACKEND='cache',
-    CELERY_CACHE_BACKEND=CACHE_URI,
+    CELERY_RESULT_BACKEND='amqp',
     CELERY_TASK_RESULT_EXPIRES=300,
     CELERY_QUEUES=(
         Queue(HOSTNAME, Exchange(