Allow to configure notifiers

Change-Id: I2fadae52aa59e3ee0fe74ddd3973a3e0863adca1

manifests/notifier.pp

@@ -13,20 +13,35 @@
 #    (optional) ensure state for package.
 #    Defaults to 'present'
 #
+#  [*notifiers*]
+#    (optional) Names of enabled notifiers.
+#    Defaults to $::os_service_default.
+#
 class vitrage::notifier (
   $manage_service = true,
   $enabled        = true,
   $package_ensure = 'present',
+  $notifiers      = $::os_service_default,
 ) {
 
   include ::vitrage::deps
   include ::vitrage::params
 
+  if !is_service_default($notifiers) {
+    $notifiers_orig = join(any2array($notifiers), ',')
+  } else {
+    $notifiers_orig = $notifiers
+  }
+
   ensure_resource( 'package', [$::vitrage::params::notifier_package_name],
     { ensure => $package_ensure,
       tag    => ['openstack', 'vitrage-package'] }
   )
 
+  vitrage_config {
+    'DEFAULT/notifiers': value => $notifiers_orig;
+  }
+
   if $manage_service {
     if $enabled {
       $service_ensure = 'running'

spec/classes/vitrage_notifier_spec.rb

@@ -19,6 +19,10 @@ describe 'vitrage::notifier' do
         )
       end
 
+      it 'configure notifier default params' do
+        is_expected.to contain_vitrage_config('DEFAULT/notifiers').with_value('<SERVICE DEFAULT>')
+      end
+
       it 'configures vitrage-notifier service' do
         is_expected.to contain_service('vitrage-notifier').with(
             :ensure     => 'running',
@@ -67,6 +71,18 @@ describe 'vitrage::notifier' do
         )
       end
     end
+
+    context 'when configuring notifiers' do
+      let :params do
+        { :notifiers => ['mistral', 'nova'] }
+      end
+
+      it { is_expected.to compile }
+      it 'configure notifier params' do
+        is_expected.to contain_vitrage_config('DEFAULT/notifiers').with_value('mistral,nova')
+      end
+    end
+
   end
 
   on_supported_os({