dont use rabbit_hosts on conf

it was removed from oslo messaging in the last version
use some uuid we dont use it

Change-Id: If14e94b39996cfaac040a7a765dd797e8b2f5f61

requirements.txt

@@ -47,4 +47,5 @@ six>=1.11.0 # MIT
 debtcollector>=1.19.0 # Apache-2.0
 cotyledon>=1.6.8 # Apache-2.0
 futures>=3.0.0;python_version=='2.7' or python_version=='2.6'  # BSD
-pytz>=2013.6 # MIT
+pytz>=2013.6 # MIT
+tenacity>=4.9.0

vitrage/entity_graph/workers.py

@@ -19,6 +19,7 @@ from six.moves import _thread
 from oslo_concurrency import processutils as ps
 from oslo_log import log
 import oslo_messaging
+from oslo_utils import uuidutils
 
 from vitrage.api_handler.apis.alarm import AlarmApis
 from vitrage.api_handler.apis.event import EventApis
@@ -377,9 +378,8 @@ class ApiWorker(GraphCloneWorkerBase):
                                              [EVALUATOR_TOPIC])
         db = storage.get_connection_from_config(conf)
         transport = messaging.get_rpc_transport(conf)
-        rabbit_hosts = conf.oslo_messaging_rabbit.rabbit_hosts
         target = oslo_messaging.Target(topic=conf.rpc_topic,
-                                       server=rabbit_hosts)
+                                       server=uuidutils.generate_uuid())
 
         endpoints = [TopologyApis(self._entity_graph, conf),
                      AlarmApis(self._entity_graph, conf, db),

vitrage/rpc.py

@@ -18,8 +18,10 @@ from oslo_config import cfg
 from oslo_log import log
 import oslo_messaging as messaging
 from oslo_messaging.rpc import dispatcher
+from oslo_utils import uuidutils
 from osprofiler import profiler
 
+
 OPTS = [
     cfg.StrOpt('rpc_topic',
                default='rpcapiv1',
@@ -92,7 +94,7 @@ def get_default_server(conf, topic, endpoints):
     transport = messaging.get_rpc_transport(conf)
     target = messaging.Target(
         topic=topic,
-        server=conf.oslo_messaging_rabbit.rabbit_hosts)
+        server=uuidutils.generate_uuid())
     return get_server(target, endpoints, transport)