Add serveraliases to cgit vhost template

Allow for specifying ServerAlias entries in the apache
vhost for the cgit puppet module.
(vhost template section lifted from the puppetlabs-apache v0.0.4
vhost-default template).

Change-Id: If7c297247b9556458154e4d01a1e0165a25a14b5

manifests/init.pp

@@ -17,6 +17,7 @@
 class cgit(
   $vhost_name = $::fqdn,
   $serveradmin = "webmaster@${::fqdn}",
+  $serveraliases = '',
   $cgitdir = '/var/www/cgit',
   $staticfiles = '/var/www/cgit/static',
   $ssl_cert_file = '',
@@ -116,12 +117,13 @@ class cgit(
   }
 
   apache::vhost { $vhost_name:
-    port     => $https_port,
-    docroot  => 'MEANINGLESS ARGUMENT',
-    priority => '50',
-    template => 'cgit/git.vhost.erb',
-    ssl      => true,
-    require  => [
+    port          => $https_port,
+    serveraliases => $serveraliases,
+    docroot       => 'MEANINGLESS ARGUMENT',
+    priority      => '50',
+    template      => 'cgit/git.vhost.erb',
+    ssl           => true,
+    require       => [
       File[$staticfiles],
       Package['cgit'],
     ],

templates/git.vhost.erb

@@ -2,6 +2,12 @@
   ServerName <%= scope.lookupvar("cgit::vhost_name") %>
   ServerAdmin <%= scope.lookupvar("cgit::serveradmin") %>
 
+<% if serveraliases.is_a? Array -%>
+<% serveraliases.each do |name| -%><%= "  ServerAlias #{name}\n" %><% end -%>
+<% elsif serveraliases != '' -%>
+<%= "  ServerAlias #{serveraliases}" -%>
+<% end -%>
+
   Alias /cgit-data /usr/share/cgit
   ScriptAlias /cgit /var/www/cgi-bin/cgit
   Alias /static <%= scope.lookupvar("cgit::staticfiles") %>
@@ -27,6 +33,12 @@
   ServerName <%= scope.lookupvar("cgit::vhost_name") %>
   ServerAdmin <%= scope.lookupvar("cgit::serveradmin") %>
 
+<% if serveraliases.is_a? Array -%>
+<% serveraliases.each do |name| -%><%= "  ServerAlias #{name}\n" %><% end -%>
+<% elsif serveraliases != '' -%>
+<%= "  ServerAlias #{serveraliases}" -%>
+<% end -%>
+
   Alias /cgit-data /usr/share/cgit
   ScriptAlias /cgit /var/www/cgi-bin/cgit
   Alias /static <%= scope.lookupvar("cgit::staticfiles") %>