Add pillars with default policy configuration for OS services

PROD-34318

Change-Id: I46dee301c78450b2aa7a6430de1f3432756688d8
diff --git a/horizon/server/plugin/designate.yml b/horizon/server/plugin/designate.yml
index 8fc7833..b170573 100644
--- a/horizon/server/plugin/designate.yml
+++ b/horizon/server/plugin/designate.yml
@@ -1,3 +1,5 @@
+classes:
+- system.defaults.openstack.policy.all
 parameters:
   horizon:
     server:
@@ -9,8 +11,5 @@
       policy:
         dns:
           enabled: true
-          source: 'mine'
-          target_type: 'compound'
-          host: 'I@designate:server:role:primary'
-          grain_name: ${_param:horizon_dashboard_designate_grain}
-          name: ${_param:horizon_dashboard_designate_file}
\ No newline at end of file
+          source: pillar
+          pillar: ${_param:designate_default_policy_${_param:openstack_version}}