Adding database sync for L2 Gateway service plugin

It includes unit test

Change-Id: I9f36f66eeb7aba7f37bbd53245e795f51e7faa9f
Signed-off-by: Ricardo Noriega <rnoriega@redhat.com>

manifests/services/l2gw.pp

@@ -28,6 +28,11 @@
 #   Must be in form: <service_type>:<name>:<driver>[:default]
 #   Defaults to $::os_service_default
 #
+# [*sync_db*]
+#   Whether 'l2gw-db-sync' should run to create and/or synchronize the
+#   database with networking-l2gw specific tables.
+#   Default to false
+#
 # [*package_ensure*]
 #   (optional) Ensure state for package.
 #   Defaults to 'present'.
@@ -43,6 +48,7 @@ class neutron::services::l2gw (
   $quota_l2_gateway             = $::os_service_default,
   $periodic_monitoring_interval = $::os_service_default,
   $service_providers            = $::os_service_default,
+  $sync_db                      = false,
   $package_ensure               = 'present',
   $purge_config                 = false,
 ) {
@@ -71,4 +77,19 @@ class neutron::services::l2gw (
       'DEFAULT/periodic_monitoring_interval':         value => $periodic_monitoring_interval;
       'service_providers/service_provider':           value => $service_providers;
   }
+
+  if $sync_db {
+    Package<| title == $::neutron::params::l2gw_package |> ~> Exec['l2gw-db-sync']
+    exec { 'l2gw-db-sync':
+      command     => 'neutron-db-manage --config-file /etc/neutron/neutron.conf --subproject networking-l2gw upgrade head',
+      path        => '/usr/bin',
+      subscribe   => [
+        Anchor['neutron::install::end'],
+        Anchor['neutron::config::end'],
+        Anchor['neutron::dbsync::begin']
+      ],
+      notify      => Anchor['neutron::dbsync::end'],
+      refreshonly => true
+    }
+  }
 }

spec/classes/neutron_services_l2gw_spec.rb

@@ -43,6 +43,7 @@ describe 'neutron::services::l2gw' do
   end
 
   shared_examples_for 'neutron l2gw service plugin' do
+    context 'with default params' do
       let :p do
         default_params.merge(params)
       end
@@ -67,13 +68,15 @@ describe 'neutron::services::l2gw' do
         is_expected.to contain_neutron_l2gw_service_config('DEFAULT/quota_l2_gateway').with_value('<SERVICE DEFAULT>')
         is_expected.to contain_neutron_l2gw_service_config('DEFAULT/periodic_monitoring_interval').with_value('<SERVICE DEFAULT>')
         is_expected.to contain_neutron_l2gw_service_config('service_providers/service_provider').with_value('<SERVICE DEFAULT>')
-
+      end
     end
 
     context 'with multiple service providers' do
       before :each do
         params.merge!(
-          { :service_providers => ['provider1', 'provider2'] }
+          { :service_providers => ['provider1', 'provider2'],
+	    :sync_db           => true,
+          }
         )
       end
 
@@ -82,6 +85,19 @@ describe 'neutron::services::l2gw' do
           'service_providers/service_provider'
         ).with_value(['provider1', 'provider2'])
       end
+      
+      it 'runs neutron-db-sync' do
+        is_expected.to contain_exec('l2gw-db-sync').with(
+          :command     => 'neutron-db-manage --config-file /etc/neutron/neutron.conf --subproject networking-l2gw upgrade head',
+          :path        => '/usr/bin',
+          :subscribe   => ['Anchor[neutron::install::end]',
+                           'Anchor[neutron::config::end]',
+                           'Anchor[neutron::dbsync::begin]'
+                           ],
+          :notify      => 'Anchor[neutron::dbsync::end]',
+          :refreshonly => 'true',
+        )
+      end
     end
   end
 
@@ -105,5 +121,4 @@ describe 'neutron::services::l2gw' do
       it_configures 'neutron l2gw service plugin'
     end
   end
-
 end