Allow for specification of package version for nova-cert service.

manifests/cert.pp

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

spec/classes/nova_cert_spec.rb

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