To support developer_mode=false, we need to use databag. There was

a bug in rabbimq-server(could not change the guest's password). Fixed
it.

xCAT-OpenStack/chef-cookbooks/grizzly-xcat/cookbooks/openstack-ops-messaging/recipes/rabbitmq-server.rb

@@ -66,6 +66,13 @@ rabbitmq_user "add openstack rabbit user" do
   action :add
 end
 
+rabbitmq_user "change the password of the openstack rabbit user" do
+  user user
+  password pass
+
+  action :change_password
+end
+
 rabbitmq_vhost "add openstack rabbit vhost" do
   vhost vhost