add support for xinetd cps paramater

manifests/server.pp

@@ -21,12 +21,14 @@
   Stdlib::Ensure::Service                $service_ensure = 'running',
   Variant[Boolean, Enum['mask']]         $service_enable = true,
   Boolean                                $manage_package = $rsync::manage_package,
+  Optional[String]                           $xinetd_cps = undef,
 ) inherits rsync {
 
   if $use_xinetd {
     include xinetd
     xinetd::service { 'rsync':
       bind        => $address,
+      cps         => $xinetd_cps,
       port        => '873',
       server      => '/usr/bin/rsync',
       server_args => "--daemon --config ${conf_file}",

spec/classes/server_spec.rb

@@ -60,6 +60,16 @@
         }
       end
 
+      describe 'when setting xinetd cps' do
+        let :params do
+          { :xinetd_cps => '25 10' }
+        end
+
+        it {
+          is_expected.to contain_xinetd__service('rsync').with({ 'cps' => '25 10' })
+        }
+      end
+
       describe 'when overriding use_chroot' do
         let :params do
           { use_chroot: 'no' }