Support Debian 12

In particular with Debian 11->12 systemd-resolved is now a sub package
that must be installed.

Author: traylenator

README.md

@@ -351,7 +351,7 @@ class { 'systemd':
 }
 ```
 
-when `manage_systemd` is true any required sub package, e.g. `systemd-resolved` on CentOS 9, will be installed. However configuration of
+when `manage_systemd` is true any required sub package, e.g. `systemd-resolved` on CentOS 9 or Debian 12, will be installed. However configuration of
 systemd-resolved will only occur on second puppet run after that installation.
 
 This requires [puppetlabs-inifile](https://forge.puppet.com/puppetlabs/inifile), which is only a soft dependency in this module (you need to explicitly install it). Both parameters accept a string or an array.

spec/acceptance/resolved_spec.rb

@@ -12,8 +12,11 @@
       }
       PUPPET
       apply_manifest(pp, catch_failures: true)
-      # RedHat 7, 9 and newer installs package first run before fact $facts['internal_services'] is set
-      apply_manifest(pp, catch_failures: true) if fact('os.release.major') != '8' && (fact('os.family') == 'RedHat')
+      # RedHat 7, 9, Debian 12 and newer installs package first run before fact $facts['internal_services'] is set
+      if (fact('os.release.major') != '8' && (fact('os.family') == 'RedHat')) ||
+         ((fact('os.name') == 'Debian' && fact('os.release.major').to_i >= 12))
+        apply_manifest(pp, catch_failures: true)
+      end
       apply_manifest(pp, catch_changes: true)
     end
 

spec/classes/init_spec.rb

@@ -47,7 +47,7 @@
           end
 
           case [facts[:os]['family'], facts[:os]['release']['major']]
-          when %w[RedHat 7], %w[RedHat 9]
+          when %w[RedHat 7], %w[RedHat 9], %w[Debian 12]
             it { is_expected.to contain_package('systemd-resolved') }
           else
             it { is_expected.not_to contain_package('systemd-resolved') }