Use selector for differentiating between versions

Author: gabriel403

manifests/params.pp

@@ -351,13 +351,9 @@
 
   case $::operatingsystem {
     'Ubuntu': {
-      case $::lsbdistcodename {
-        'vivid': {
-          $server_service_provider = systemd
-        }
-        default: {
-          $server_service_provider = upstart
-        }
+      $server_service_provider = $::lsbdistcodename ? {
+        'vivid' => 'systemd',
+        default => 'upstart'
       }
     }
     default: {