Module graphite is not getting enabled

When usting the mod::graphite class the module is not getting enabled. As in mod::monitoring this should be done.

manifests/mod/graphite.pp

@@ -73,6 +73,11 @@ class icingaweb2::mod::graphite (
       value   => $host_name_template,
     }
   }
+  
+  file { "${::icingaweb2::config_dir}/enabledModules/graphite":
+    ensure => link,
+    target => '/usr/share/icingaweb2/modules/graphite'
+  }
 
 
   if $install_method == 'git' {