From 7b2f1fdbbf1ec94d84592aa13ef305126d878095 Mon Sep 17 00:00:00 2001
From: Shim Shtein <sshtein@redhat.com>
Date: Sun, 1 Dec 2024 06:50:03 -0500
Subject: [PATCH] Fixes #38050 - Add ip6 to search conditions for host_finder

---
 .../unattended_installation/host_finder.rb      | 10 ++++++++--
 test/controllers/unattended_controller_test.rb  | 17 +++++++++++++++++
 2 files changed, 25 insertions(+), 2 deletions(-)

diff --git a/app/services/foreman/unattended_installation/host_finder.rb b/app/services/foreman/unattended_installation/host_finder.rb
index 718bd13716b..03f2f006972 100644
--- a/app/services/foreman/unattended_installation/host_finder.rb
+++ b/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
 
diff --git a/test/controllers/unattended_controller_test.rb b/test/controllers/unattended_controller_test.rb
index ec04f7cdde1..f2a9e5f8f8e 100644
--- a/test/controllers/unattended_controller_test.rb
+++ b/test/controllers/unattended_controller_test.rb
@@ -75,6 +75,23 @@ 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}"