Fixes #36207 - assign puppet attributes from hostgroup

app/models/concerns/foreman_puppet/extensions/host.rb

@@ -55,6 +55,15 @@ def search_by_config_group(_key, operator, value)
       end
 
       module PrependedMethods
+        def environment_id=(id)
+          self.environment = ForemanPuppet::Environment.find(id)
+          save
+        end
+
+        def inherited_attributes
+          super.concat(%w[environment_id puppet_proxy_id puppet_ca_proxy_id])
+        end
+
         def provisioning_template(opts = {})
           opts[:environment_id] ||= puppet&.environment_id
           super(opts)

app/models/concerns/foreman_puppet/extensions/hostgroup.rb

@@ -30,6 +30,26 @@ class << self
           ext_method: :search_by_config_group
       end
 
+      def inherited_puppet_hostgroup_attribute(attribute)
+        if ancestry.present?
+          self[attribute] || self.class.sort_by_ancestry(ancestors.where.not(attribute => nil)).last.try(attribute)
+        else
+          self.send(attribute)
+        end
+      end
+
+      def inherited_environment_id
+        inherited_puppet_hostgroup_attribute(:environment_id)
+      end
+
+      def inherited_puppet_proxy_id
+        inherited_puppet_hostgroup_attribute(:puppet_proxy_id)
+      end
+
+      def inherited_puppet_ca_proxy_id
+        inherited_puppet_hostgroup_attribute(:puppet_ca_proxy_id)
+      end
+
       # Temporary, can be ordinary class_methods do, when removed from core
       module PatchedClassMethods
         def search_by_config_group(_key, operator, value)