Adds vnc_keymap support

The nova.conf file handle a configuration option called vnc_keymap.
This option let operators define which keymap will be used in VNC
sessions.

This commit will let puppet handle this option in nova.conf.

vnc_keymap is an optional parameters and its default value is
'en-us'.

Change-Id: I7ba49a0ef1e48adbf757c7515a67960d0007a8f5
Closes-Bug: 1325585

manifests/compute.pp

@@ -40,6 +40,10 @@
 #   (optional) The path at the end of the uri for communication with the VNC proxy server
 #   Defaults to './vnc_auto.html'
 #
+# [*vnc_keymap*]
+#   (optional) The keymap to use with VNC (ls -alh /usr/share/qemu/keymaps to list available keymaps)
+#   Defaults to 'en-us'
+#
 # [*force_config_drive*]
 #   (optional) Whether to force the config drive to be attached to all VMs
 #   Defaults to false
@@ -75,6 +79,7 @@ class nova::compute (
   $vncproxy_protocol             = 'http',
   $vncproxy_port                 = '6080',
   $vncproxy_path                 = '/vnc_auto.html',
+  $vnc_keymap                    = 'en-us',
   $force_config_drive            = false,
   $virtio_nic                    = false,
   $neutron_enabled               = true,
@@ -98,6 +103,7 @@ class nova::compute (
   nova_config {
     'DEFAULT/vnc_enabled':                   value => $vnc_enabled;
     'DEFAULT/vncserver_proxyclient_address': value => $vncserver_proxyclient_address;
+    'DEFAULT/vnc_keymap':                    value => $vnc_keymap;
   }
 
   if $neutron_enabled != true {

spec/classes/nova_compute_spec.rb

@@ -140,6 +140,13 @@ describe 'nova::compute' do
       it { should contain_nova_config('DEFAULT/instance_usage_audit').with_value(true) }
       it { should contain_nova_config('DEFAULT/instance_usage_audit_period').with_value('year') }
     end
+    context 'with vnc_keymap set to fr' do
+      let :params do
+        { :vnc_keymap => 'fr', }
+      end
+
+      it { should contain_nova_config('DEFAULT/vnc_keymap').with_value('fr') }
+    end
   end