Do not define service resource when service management is disabled

Change-Id: If8f1baacf56cc5a78032a72c8b24f1db487feb58

manifests/api.pp

@@ -436,15 +436,6 @@ class barbican::api (
     }
   }
 
-
-  if $manage_service {
-    if $enabled {
-      $service_ensure = 'running'
-    } else {
-      $service_ensure = 'stopped'
-    }
-  }
-
   # set value to have the server auto-create the database on startup
   # instead of using db_sync
   barbican_config { 'DEFAULT/db_auto_create': value => $db_auto_create }
@@ -469,6 +460,13 @@ class barbican::api (
     include barbican::db::sync
   }
 
+  if $manage_service {
+    if $enabled {
+      $service_ensure = 'running'
+    } else {
+      $service_ensure = 'stopped'
+    }
+
     if $service_name == 'barbican-api' or $service_name == $::barbican::params::api_service_name {
 
       if $::operatingsystem == 'Ubuntu' {
@@ -516,6 +514,7 @@ deprecated and will be removed in a future release. Use openstack-barbican-api i
     } else {
       fail('Invalid service_name. Use barbican-api for stand-alone or httpd')
     }
+  }
 
   oslo::middleware { 'barbican_config':
     enable_proxy_headers_parsing => $enable_proxy_headers_parsing,

spec/classes/barbican_api_spec.rb

@@ -339,17 +339,10 @@ describe 'barbican::api' do
           {
             :manage_service => false,
             :enabled        => false,
-            :auth_strategy  => 'keystone',
           }
         end
 
-        it { is_expected.to contain_service('barbican-api').with(
-          'ensure'     => nil,
-          'enable'     => false,
-          'hasstatus'  => true,
-          'hasrestart' => true,
-          'tag'        => 'barbican-service',
-        )}
+        it { is_expected.to_not contain_service('barbican-api') }
       end
     end
   end