Add per module policy service refresh

Updating the policies for this project should only
refresh the services that reads it.

Change-Id: I541a7dbb11580155cf2bb3af0ffbf6ebc5b1220b
(cherry picked from commit f7f4319478)
(cherry picked from commit d76f4b4dfd)

manifests/deps.pp

@@ -64,7 +64,7 @@ class neutron::deps {
 
   # policy config should occur in the config block also.
   Anchor['neutron::config::begin']
-  -> Openstacklib::Policy<||>
+  -> Openstacklib::Policy<| tag == 'neutron' |>
   ~> Anchor['neutron::config::end']
 
   # Support packages need to be installed in the install phase, but we don't

manifests/policy.pp

@@ -62,6 +62,7 @@ class neutron::policy (
     file_group   => $::neutron::params::group,
     file_format  => 'yaml',
     purge_config => $purge_config,
+    tag          => 'neutron',
   }
 
   create_resources('openstacklib::policy', { $policy_path => $policy_parameters })

spec/classes/neutron_policy_spec.rb

@@ -32,6 +32,7 @@ describe 'neutron::policy' do
           :file_group   => 'neutron',
           :file_format  => 'yaml',
           :purge_config => false,
+          :tag          => 'neutron',
         )
         is_expected.to contain_oslo__policy('neutron_config').with(
           :enforce_scope        => false,
@@ -61,6 +62,7 @@ describe 'neutron::policy' do
           :file_group   => 'neutron',
           :file_format  => 'yaml',
           :purge_config => true,
+          :tag          => 'neutron',
         )
         is_expected.to contain_oslo__policy('neutron_config').with(
           :enforce_scope        => false,