Add keystone control exchange

This patch adds
1) Notification exchange for keystone
2) Abbility to profile keystone

In future we are going to add as well keystone
audit notification pluging

Change-Id: I21f78698431ef9da9ddf5771a0594e5ab7f755a5

ceilometer/identity/notifications.py

@@ -0,0 +1,25 @@
+# Copyright 2014 Mirantis Inc.
+# All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+from oslo.config import cfg
+
+OPTS = [
+    cfg.StrOpt('keystone_control_exchange',
+               default='keystone',
+               help="Exchange name for Keystone notifications."),
+]
+
+
+cfg.CONF.register_opts(OPTS)

ceilometer/profiler/notifications.py

@@ -13,12 +13,18 @@
 # License for the specific language governing permissions and limitations
 # under the License.
 
+from oslo.config import cfg
 import oslo.messaging
 
 from ceilometer import plugin
 from ceilometer import sample
 
 
+# TODO(boris-42): remove after adding keystone audit plugins.
+cfg.CONF.import_opt('keystone_control_exchange',
+                    'ceilometer.identity.notifications')
+
+
 class ProfilerNotifications(plugin.NotificationBase):
 
     event_types = ["profiler.*"]
@@ -35,7 +41,8 @@ class ProfilerNotifications(plugin.NotificationBase):
             conf.cinder_control_exchange,
             conf.glance_control_exchange,
             conf.neutron_control_exchange,
-            conf.heat_control_exchange
+            conf.heat_control_exchange,
+            conf.keystone_control_exchange
         ]
 
         for exchange in exchanges: