Draft: RHEL support

Tweaks for RHEL platform support, work in progress

libraries/sys_helper.rb

@@ -2,7 +2,7 @@
 # Cookbook:: sys
 # Helper library class
 #
-# Copyright:: 2015-2024 GSI Helmholtzzentrum fuer Schwerionenforschung GmbH
+# Copyright:: 2015-2025 GSI Helmholtzzentrum fuer Schwerionenforschung GmbH
 #
 # Authors:
 #  Dennis Klein      <d.klein@gsi.de>
@@ -42,11 +42,26 @@ module Sys
       node['platform'] == 'debian'
     end
 
+    # where to store certificates and keys?
+    def pki_base_path
+      case node['platform_family']
+      when 'rhel'
+        '/etc/pki/tls'
+      else
+        '/etc/ssl'
+      end
+    end
+
     # Detect installed systemd
     def systemd_installed?
-      cmd = Mixlib::ShellOut.new('dpkg -s systemd-sysv')
-      cmd.run_command
-      cmd.exitstatus == 0
+      case node['platform_family']
+      when 'rhel'
+        true # systemd since RHEL7
+      when 'debian'
+        cmd = Mixlib::ShellOut.new('dpkg -s systemd-sysv')
+        cmd.run_command
+        cmd.exitstatus == 0
+      end
     end
 
     # Detect active systemd instance