Also permit puppet-extlib to provide the puppet_config directory

manifests/init.pp

@@ -151,13 +151,18 @@
     fail("High Priority Patch group ${high_priority_patch_group} is not valid as no associated schedule was found!\nEnsure the patching_as_code::patch_schedule parameter contains a schedule for this patch group.") #lint:ignore:140chars
   }
 
-  # Verify the puppet_confdir from the puppetlabs/puppet_agent module is present
-  unless $facts['puppet_confdir'] {
-    fail('The puppetlabs/patching_as_code module depends on the puppetlabs/puppet_agent module, please add it to your setup!')
+  # Verify the puppet_confdir is present
+  if len($facts['puppet_confdir']) > 0 {
+    $puppet_confdir = $facts['puppet_confdir']
+  } elsif len($facts['extlib__puppet_config']['confdir']) > 0 {
+    $puppet_confdir = $facts['extlib__puppet_config']['confdir']
+  }
+  } else {
+    fail('The puppetlabs/patching_as_code module depends on the puppetlabs/puppet_agent module or puppet/extlib, please add one to your setup!')
   }
 
   # Write local config file for unsafe processes
-  file { "${facts['puppet_confdir']}/patching_unsafe_processes":
+  file { "${puppet_confdir}/patching_unsafe_processes":
     ensure    => file,
     content   => $unsafe_process_list.join("\n"),
     show_diff => false,

metadata.json

@@ -20,6 +20,10 @@
       "name": "puppetlabs/puppet_agent",
       "version_requirement": ">= 4.0.0 < 6.0.0"
     },
+    {
+      "name": "puppet/extlib",
+      "version_requirement": ">= 7.5.0 < 8.0.0"
+    },
     {
       "name": "puppetlabs/reboot",
       "version_requirement": ">= 2.4.0 < 6.0.0"