fix FreeBSD support

Author: fraenki

manifests/instance.pp

@@ -414,7 +414,7 @@
     }
   }
 
-  if $manage_service_file {
+  if $manage_service_file and $facts['kernel'] == 'Linux' {
     if $title != 'default' {
       $real_service_ensure = $service_ensure == 'running'
       $real_service_enable = $service_enable
@@ -453,7 +453,7 @@
       ),
     }
   } else {
-    if $ulimit_managed {
+    if $ulimit_managed and $facts['kernel'] == 'Linux' {
       systemd::service_limits { "${service_name}.service":
         limits          => {
           'LimitNOFILE' => $ulimit,

manifests/ulimit.pp

@@ -17,7 +17,7 @@
 class redis::ulimit {
   assert_private('The redis::ulimit class is only to be called from the redis::config class')
 
-  if $redis::managed_by_cluster_manager {
+  if $redis::managed_by_cluster_manager and $facts['kernel'] == 'Linux' {
     file { '/etc/security/limits.d/redis.conf':
       ensure  => 'file',
       owner   => 'root',