[RabbitMQ] Parametrized message queue hosts to enable client-side HA.

Change-Id: I614ab8552fd4596010a3f1a6a4f46e85b8a9de2d
diff --git a/README.rst b/README.rst
index a2367bb..46546f1 100644
--- a/README.rst
+++ b/README.rst
@@ -69,6 +69,26 @@
           source: http://cdn.download.cirros-cloud.net/0.3.1/cirros-0.3.1-x86_64-disk.img
           public: true
 
+
+Client-side RabbitMQ HA setup
+
+.. code-block:: yaml
+
+    glance:
+      server:
+        ....
+        message_queue:
+          engine: rabbitmq
+          members:
+            - host: 10.0.16.1
+            - host: 10.0.16.2
+            - host: 10.0.16.3
+          user: openstack
+          password: pwd
+          virtual_host: '/openstack'
+        ....
+
+
 Keystone and cinder region
 ============================
 
@@ -85,6 +105,7 @@
           region: RegionTwo
         ...
 
+
 Ceph integration glance
 =======================