Fixes #38050 - Add ip6 to search conditions for host_finder

app/services/foreman/unattended_installation/host_finder.rb

@@ -54,8 +54,14 @@ def find_host_by_ip_or_mac
 
         mac_list = query_params[:mac_list]
 
-        query = mac_list.empty? ? { :nics => { :ip => ip } } : ["lower(nics.mac) IN (?)", mac_list]
-        hosts = Host.joins(:provision_interface).where(query).order(:created_at)
+        # create base query
+        hosts = Host.joins(:provision_interface).order(:created_at)
+        # filter the records either by mac or by the IP address
+        if mac_list.empty?
+          hosts = hosts.where(:nics => { :ip => ip }).or(hosts.where(:nics => { :ip6 => ip }))
+        else
+          hosts = hosts.where("lower(nics.mac) IN (?)", mac_list)
+        end
 
         Rails.logger.warn("Multiple hosts found with #{ip} or #{mac_list}, picking up the most recent") if hosts.count > 1
 

test/controllers/unattended_controller_test.rb

@@ -75,6 +75,21 @@ class UnattendedControllerTest < ActionController::TestCase
       assert_response :success
     end
 
+    test "should get a kickstart when pure IPv6 address is used" do
+      ptable = Ptable.find_by(name: 'default')
+      @ipv6_host = FactoryBot.create(:host, :managed, :with_ipv6, :build => true,
+                                     :operatingsystem => operatingsystems(:redhat),
+                                     :ptable => ptable,
+                                     :medium => media(:one),
+                                     :architecture => architectures(:x86_64),
+                                     :organization => @org,
+                                     :location => @loc)
+      @request.env["HTTP_X_FORWARDED_FOR"] = @ipv6_host.ip6
+      @request.env["REMOTE_ADDR"] = "::1"
+      get :host_template, params: { :kind => 'provision' }
+      assert_response :success
+    end
+
     test "should set @static when requested" do
       Setting[:safemode_render] = false
       @request.env["HTTP_X_RHN_PROVISIONING_MAC_0"] = "eth0 #{@rh_host.mac}"