Use connection args for keystone

Change-Id: If0c629346298be6737a8d8141faeffa6a35baea0
Signed-off-by: Andres Montalban <amontalban@devopx.com>
diff --git a/heat/server.sls b/heat/server.sls
index 92410cb..f9622d0 100644
--- a/heat/server.sls
+++ b/heat/server.sls
@@ -44,6 +44,10 @@
   - names:
     - heat_stack_owner
     - heat_stack_user
+  - connection_user: {{ server.identity.user }}
+  - connection_password: {{ server.identity.password }}
+  - connection_tenant: {{ server.identity.tenant }}
+  - connection_auth_url: 'http://{{ server.identity.host }}:{{ server.identity.port }}/v2.0/'
   - require:
     - pkg: heat_server_packages