Allow specifing specific package version for nova-scheduler.

manifests/scheduler.pp

@@ -1,13 +1,15 @@
 class nova::scheduler(
-  $enabled = false
+  $enabled        = false,
+  $ensure_package = 'present',
 ) {
 
   include nova::params
 
   nova::generic_service { 'scheduler':
-    enabled      => $enabled,
-    package_name => $::nova::params::scheduler_package_name,
-    service_name => $::nova::params::scheduler_service_name,
+    enabled        => $enabled,
+    package_name   => $::nova::params::scheduler_package_name,
+    service_name   => $::nova::params::scheduler_service_name,
+    ensure_package => $ensure_package,
   }
 
 }

spec/classes/nova_scheduler_spec.rb

@@ -30,6 +30,14 @@ describe 'nova::scheduler' do
       'enable'  => true
     )}
     end
+    describe 'with package version' do
+      let :params do
+        {:ensure_package => '2012.1-2'}
+      end
+      it { should contain_package('nova-scheduler').with(
+        'ensure' => '2012.1-2'
+      )}
+    end
   end
   describe 'on rhel' do
     let :facts do