network/l3: add metering agent

Neutron Metering Agent allow to track the traffic used by each tenant
from North to South (Public to internal) networks and vice-versa.

Signed-off-by: Emilien Macchi <emilien.macchi@enovance.com>

manifests/network/l3.pp

@@ -35,4 +35,8 @@ class cloud::network::l3(
     bridge => 'br-ex'
   }
 
+  class { 'neutron::agents::metering':
+    debug => $debug,
+  }
+
 }

spec/classes/cloud_network_l3_spec.rb

@@ -79,6 +79,12 @@ describe 'cloud::network::l3' do
           :handle_internal_only_routers => false
       )
     end
+
+    it 'configure neutron metering agent' do
+      should contain_class('neutron::agents::metering').with(
+          :debug => true
+      )
+    end
   end
 
   context 'on Debian platforms' do