puppet: allow to configure any ceilometer param with Hiera

By including ::ceilometer::config on controller & compute, we allow
anyone to trick ceilometer.conf with any parameter, using Hiera.

Change-Id: Ie6698d5e6900ecaaf7f19ed79e9c44b39ced0559

puppet/manifests/overcloud_compute.pp

@@ -79,6 +79,7 @@ class { 'neutron::agents::ml2::ovs':
 }
 
 include ::ceilometer
+include ::ceilometer::config
 include ::ceilometer::agent::compute
 include ::ceilometer::agent::auth
 

puppet/manifests/overcloud_controller.pp

@@ -417,6 +417,7 @@ if hiera('step') >= 3 {
     }
   }
   include ::ceilometer
+  include ::ceilometer::config
   include ::ceilometer::api
   include ::ceilometer::agent::notification
   include ::ceilometer::agent::central

puppet/manifests/overcloud_controller_pacemaker.pp

@@ -801,6 +801,7 @@ if hiera('step') >= 3 {
     }
   }
   include ::ceilometer
+  include ::ceilometer::config
   class { '::ceilometer::api' :
     manage_service => false,
     enabled => false,