[OC4.0] add opencontrail admin

In order to stop using shared credentials a
separate contrail admin user has to be created.
For contrail services this user will be used.
PROD-23356
Generation of unused files (keystonerc, openstackrc
and ctrl-details) has been removed from common.sls.

Change-Id: I6efe241d27a68b5f277bd43909e11c28ad027ace
diff --git a/metadata/service/control/analytics.yml b/metadata/service/control/analytics.yml
index b51a1fe..77ad856 100644
--- a/metadata/service/control/analytics.yml
+++ b/metadata/service/control/analytics.yml
@@ -7,7 +7,8 @@
     opencontrail_version: 2.2
     opencontrail_identity_port: 35357
     opencontrail_identity_version: '2.0'
-    keystone_admin_password: 'none'
+    opencontrail_admin_password: 'none'
+    opencontrail_admin_user: 'contrail'
     keystone_service_token: 'none'
     redis_password: 'none'
     openstack_region: RegionOne
@@ -19,7 +20,7 @@
         host: ${_param:cluster_vip_address}
         port: ${_param:opencontrail_identity_port}
         token: '${_param:keystone_service_token}'
-        password: '${_param:keystone_admin_password}'
+        password: '${_param:opencontrail_admin_password}'
       network:
         engine: neutron
         host: ${_param:network_vip_address}
@@ -55,8 +56,8 @@
         region: ${_param:openstack_region}
         host: ${_param:cluster_vip_address}
         port: ${_param:opencontrail_identity_port}
-        user: admin
-        password: '${_param:keystone_admin_password}'
+        user: ${_param:opencontrail_admin_user}
+        password: '${_param:opencontrail_admin_password}'
         token: '${_param:keystone_service_token}'
         tenant: admin
       alarm_gen: