Assert private classes

manifests/config.pp

@@ -1,6 +1,8 @@
 # == Class icingaweb2::config
 #
 class icingaweb2::config {
+  assert_private()
+
   @user { 'icingaweb2':
     ensure     => present,
     home       => $::icingaweb2::web_root,

manifests/install.pp

@@ -1,6 +1,8 @@
 # == Class icingaweb2::install
 #
 class icingaweb2::install {
+  assert_private()
+
   if $::icingaweb2::install_method == 'package' {
     if $::icingaweb2::pkg_list {
       package { $::icingaweb2::pkg_list:

manifests/preinstall.pp

@@ -1,6 +1,8 @@
 # == Class icingaweb2::preinstall
 #
 class icingaweb2::preinstall {
+  assert_private()
+
   if $::icingaweb2::manage_repo and $::icingaweb2::install_method == 'package' {
     case $::operatingsystem {
       'RedHat', 'CentOS': {

manifests/preinstall/redhat.pp

@@ -3,9 +3,7 @@
 define icingaweb2::preinstall::redhat(
   $pkg_repo_version,
 ) {
-  if $caller_module_name != $module_name {
-    fail 'Tried to include private class icingaweb2::preinstall::redhat'
-  }
+  assert_private()
 
   case $::operatingsystem {
     'RedHat', 'CentOS', 'Scientific': {