Addition of Nuage configuration to neutron-server conf directory

Added nuage configuration file under neutron-server configuration
directory so that neutron-server can pick up the configuration file on
startup. This change creates nuage_plugin.conf symlink under the folder
/etc/neutron/conf.d/neutron-server

Change-Id: I41aad89ff982657c6f0ccc2076bc322484b37d73
(cherry picked from commit a87919c463)

manifests/plugins/ml2/nuage.pp

@@ -60,6 +60,22 @@ class neutron::plugins::ml2::nuage (
     tag    => 'neutron-config-file',
   }
 
+  if $::osfamily == 'Debian' {
+    file_line { 'neutron-server-DAEMON_ARGS':
+      path => '/etc/default/neutron-server',
+      line => 'DAEMON_ARGS="$DAEMON_ARGS --config-file /etc/neutron/plugins/nuage/plugin.ini"',
+    }
+  }
+
+  if $::osfamily == 'Redhat' {
+    file { '/etc/neutron/conf.d/neutron-server/nuage_plugin.conf':
+      ensure  => link,
+      require => File['/etc/neutron/plugins/nuage/plugin.ini'],
+      target  => $::neutron::params::nuage_config_file,
+      tag     => 'neutron-config-file',
+    }
+  }
+
   file { '/etc/neutron/plugins/nuage/plugin.ini':
     ensure  => file,
     owner   => 'root',

releasenotes/notes/add-nuage-neutron-conf-6917ecfef840fe2e.yaml

@@ -0,0 +1,6 @@
+---
+features:
+  - Added nuage configuration file under neutron-server configuration
+    directory so that neutron-server can pick up the configuration file on
+    startup. This change creates nuage_plugin.conf symlink under the folder
+    /etc/neutron/conf.d/neutron-server.

spec/classes/neutron_plugins_ml2_nuage_spec.rb

@@ -72,6 +72,13 @@ describe 'neutron::plugins::ml2::nuage' do
       it_raises 'a Puppet::Error', /Nuage should be the mechanism driver in neutron.conf/
     end
 
+    it 'should have a nuage plugin conf file' do
+      is_expected.to contain_file(platform_params[:nuage_conf_file]).with(
+        :ensure => platform_params[:nuage_file_ensure],
+        :target => platform_params[:nuage_file_target]
+      )
+    end
+
     context 'configure ml2 nuage with wrong mechanism_driver configuration' do
       let :pre_condition do
         "class { '::neutron::plugins::ml2':
@@ -90,6 +97,21 @@ describe 'neutron::plugins::ml2::nuage' do
         facts.merge!(OSDefaults.get_facts())
       end
 
+      let (:platform_params) do
+        case facts[:osfamily]
+        when 'RedHat'
+          { :nuage_conf_file   => '/etc/neutron/conf.d/neutron-server/nuage_plugin.conf',
+            :nuage_file_ensure => 'link',
+            :nuage_file_target => '/etc/neutron/plugins/nuage/plugin.ini'
+          }
+        when 'Debian'
+          { :nuage_conf_file   => '/etc/default/neutron-server',
+            :nuage_file_ensure => 'present',
+            :nuage_file_target => nil
+          }
+        end
+      end
+
       it_configures 'neutron plugin ml2 nuage'
     end
   end