Fixes #37566 - Add UEFI Secure Boot Firmware to Libvirt

- Added a new firmware type for Secure Boot.
- Enable `enrolled-keys` by default when Secure Boot is activated.
- Added firmware-related methods to the ComputeResource model
  for shared use between VMware and Libvirt.

app/models/compute_resource.rb

@@ -407,23 +407,35 @@ def firmware_types
       "automatic" => N_("Automatic"),
       "bios" => N_("BIOS"),
       "uefi" => N_("UEFI"),
+      "uefi_secure_boot" => N_("UEFI Secure Boot"),
     }.freeze
   end
 
   # Converts the firmware type from a VM object to the Foreman-compatible format.
   #
   # @param firmware [String] The firmware type from the VM object.
+  # @param secure_boot [Boolean] Indicates if secure boot is enabled for the VM.
   # @return [String] The converted firmware type.
-  def firmware_type(firmware)
-    firmware == 'efi' ? 'uefi' : firmware
+  def firmware_type(firmware, secure_boot)
+    if firmware == 'efi'
+      secure_boot ? 'uefi_secure_boot' : 'uefi' # Adjust for secure boot
+    else
+      firmware
+    end
   end
 
-  # Normalizes the firmware type to 'efi' or defaults to 'bios'.
+  # Converts a firmware type from Foreman format to a CR-compatible format.
+  # If no specific type is provided, defaults to 'bios'.
   #
   # @param firmware_type [String] The firmware type in Foreman format.
   # @return [String] The converted firmware type.
   def normalize_firmware_type(firmware_type)
-    firmware_type == 'uefi' ? 'efi' : 'bios'
+    case firmware_type
+    when 'uefi', 'uefi_secure_boot'
+      'efi'
+    else
+      'bios'
+    end
   end
 
   # Resolves the firmware setting when it is 'automatic' based on the provided firmware_type, or defaults to 'bios'.
@@ -436,6 +448,19 @@ def resolve_automatic_firmware(firmware, firmware_type)
     firmware_type.presence || 'bios'
   end
 
+  # Processes firmware attributes to configure firmware and secure boot settings.
+  #
+  # @param firmware [String] The firmware setting to be processed.
+  # @param firmware_type [String] The firmware type based on the provided PXE Loader.
+  # @return [Hash] A hash containing the processed firmware attributes.
+  def process_firmware_attributes(firmware, firmware_type)
+    firmware = resolve_automatic_firmware(firmware, firmware_type)
+
+    attrs = generate_secure_boot_settings(firmware)
+    attrs[:firmware] = normalize_firmware_type(firmware)
+    attrs
+  end
+
   protected
 
   def memory_gb_to_bytes(memory_size)

app/models/compute_resources/foreman/model/libvirt.rb

@@ -149,8 +149,7 @@ def new_vm(attr = { })
       opts[:boot_order].unshift 'network' unless attr[:image_id]
 
       firmware_type = opts.delete(:firmware_type).to_s
-      firmware = resolve_automatic_firmware(opts[:firmware], firmware_type)
-      opts[:firmware] = normalize_firmware_type(firmware)
+      opts.merge!(process_firmware_attributes(opts[:firmware], firmware_type))
 
       vm = client.servers.new opts
       vm.memory = opts[:memory] if opts[:memory]
@@ -294,7 +293,8 @@ def vm_instance_defaults
                          :listen   => Setting[:libvirt_default_console_address],
                          :password => random_password(console_password_length(display_type)),
                          :port     => '-1' },
-        :firmware   => 'automatic'
+        :firmware   => 'automatic',
+        :firmware_features => { "secure-boot" => "no" }
       )
     end
 
@@ -331,5 +331,18 @@ def validate_volume_capacity(vol)
         raise Foreman::Exception.new(N_("Please specify volume size. You may optionally use suffix 'G' to specify volume size in gigabytes."))
       end
     end
+
+    # Generates Secure Boot settings for Libvirt, based on the provided firmware type.
+    #
+    # @param firmware [String] The firmware type.
+    # @return [Hash] A hash with secure boot settings if applicable.
+    def generate_secure_boot_settings(firmware)
+      return {} unless firmware == 'uefi_secure_boot'
+
+      {
+        firmware_features: { 'secure-boot' => 'yes', 'enrolled-keys' => 'yes' },
+        loader: { 'secure' => 'yes' },
+      }
+    end
   end
 end

app/models/concerns/pxe_loader_support.rb

@@ -50,6 +50,8 @@ def firmware_type(pxe_loader)
       case pxe_loader
       when 'None'
         :none
+      when /SecureBoot/
+        :uefi_secure_boot
       when /UEFI/
         :uefi
       else

app/views/compute_resources_vms/form/libvirt/_base.html.erb

@@ -8,7 +8,7 @@
 <% checked = params[:host] && params[:host][:compute_attributes] && params[:host][:compute_attributes][:start] || '1' %>
 <%= checkbox_f f, :start, { :checked => (checked == '1'), :help_inline => _("Power ON this machine"), :label => _('Start'), :label_size => "col-md-2"} if new_vm && controller_name != "compute_attributes" %>
 
-<% firmware_type = new_vm ? 'automatic' : compute_resource.firmware_type(f.object.firmware) %>
+<% firmware_type = new_vm ? 'automatic' : compute_resource.firmware_type(f.object.firmware, f.object.secure_boot) %>
 <%= field(f, :firmware, :disabled => !new_vm, :label => _('Firmware'), :label_help => _("Choose 'Automatic' to set the firmware based on the host's PXE Loader. If no PXE Loader is selected, it defaults to BIOS."), :label_size => "col-md-2") do
   compute_resource.firmware_types.collect do |type, name|
     radio_button_f f, :firmware, {:checked => (firmware_type == type), :disabled => !new_vm, :value => type, :text => _(name) }

test/models/compute_resource_test.rb

@@ -397,14 +397,20 @@ def setup
       @cr = compute_resources(:mycompute)
     end
 
-    test "returns 'uefi' when firmware is 'efi'" do
-      assert_equal 'uefi', @cr.firmware_type('efi')
+    test "returns firmware unchanged when firmware is not 'efi'" do
+      assert_equal 'bios', @cr.firmware_type('bios', true)
+      assert_equal 'bios', @cr.firmware_type('bios', false)
+      assert_empty(@cr.firmware_type('', true))
+      assert_nil(@cr.firmware_type(nil, false))
     end
 
-    test "returns firmware unchanged when firmware is not 'efi'" do
-      assert_equal 'bios', @cr.firmware_type('bios')
-      assert_equal '', @cr.firmware_type('')
-      assert_equal nil, @cr.firmware_type(nil)
+    test "returns 'uefi' when firmware is 'efi' and secure boot is not enabled" do
+      assert_equal 'uefi', @cr.firmware_type('efi', false)
+      assert_equal 'uefi', @cr.firmware_type('efi', nil)
+    end
+
+    test "returns 'uefi_secure_boot' when firmware is 'efi' and secure boot is enabled" do
+      assert_equal 'uefi_secure_boot', @cr.firmware_type('efi', true)
     end
   end
 
@@ -417,12 +423,16 @@ def setup
       assert_equal 'efi', @cr.normalize_firmware_type('uefi')
     end
 
-    test "returns 'bios' when firmware is not 'uefi'" do
+    test "returns 'bios' for non-uefi firmware types" do
       assert_equal 'bios', @cr.normalize_firmware_type('bios')
       assert_equal 'bios', @cr.normalize_firmware_type('none')
       assert_equal 'bios', @cr.normalize_firmware_type('')
       assert_equal 'bios', @cr.normalize_firmware_type(nil)
     end
+
+    test "returns 'efi' when firmware is 'uefi_secure_boot'" do
+      assert_equal 'efi', @cr.normalize_firmware_type('uefi_secure_boot')
+    end
   end
 
   describe '#resolve_automatic_firmware' do
@@ -434,13 +444,15 @@ def setup
       assert_equal 'uefi', @cr.send(:resolve_automatic_firmware, 'automatic', 'uefi')
       assert_equal 'bios', @cr.send(:resolve_automatic_firmware, 'automatic', 'bios')
       assert_equal 'none', @cr.send(:resolve_automatic_firmware, 'automatic', 'none')
+      assert_equal 'uefi_secure_boot', @cr.send(:resolve_automatic_firmware, 'automatic', 'uefi_secure_boot')
     end
 
     test "returns firmware unchanged when not 'automatic'" do
       assert_equal 'uefi', @cr.send(:resolve_automatic_firmware, 'uefi', 'bios')
       assert_equal 'bios', @cr.send(:resolve_automatic_firmware, 'bios', 'uefi')
       assert_equal 'uefi', @cr.send(:resolve_automatic_firmware, 'uefi', false)
       assert_equal 'bios', @cr.send(:resolve_automatic_firmware, 'bios', '')
+      assert_equal 'uefi_secure_boot', @cr.send(:resolve_automatic_firmware, 'uefi_secure_boot', '')
     end
 
     test "returns 'bios' when firmware is 'automatic' and firmware_type is not present" do

test/models/compute_resources/libvirt_test.rb

@@ -270,4 +270,26 @@ class Foreman::Model::LibvirtTest < ActiveSupport::TestCase
       check_vm_attribute_names(cr)
     end
   end
+
+  describe '#generate_secure_boot_settings' do
+    before do
+      @cr = FactoryBot.build_stubbed(:libvirt_cr)
+    end
+
+    test "returns secure boot settings when firmware is 'uefi_secure_boot'" do
+      expected_sb_settings = {
+        firmware_features: { 'secure-boot' => 'yes', 'enrolled-keys' => 'yes' },
+        loader: { 'secure' => 'yes' },
+      }
+
+      assert_equal expected_sb_settings, @cr.send(:generate_secure_boot_settings, 'uefi_secure_boot')
+    end
+
+    test "returns an empty hash for firmware types other than 'uefi_secure_boot'" do
+      assert_empty @cr.send(:generate_secure_boot_settings, 'uefi')
+      assert_empty @cr.send(:generate_secure_boot_settings, 'bios')
+      assert_empty @cr.send(:generate_secure_boot_settings, '')
+      assert_empty @cr.send(:generate_secure_boot_settings, nil)
+    end
+  end
 end

test/models/concerns/pxe_loader_support_test.rb

@@ -195,5 +195,9 @@ def setup
     test 'defaults to bios firmware' do
       assert_equal :bios, DummyPxeLoader.firmware_type('Anything')
     end
+
+    test 'detects uefi_secure_boot firmware' do
+      assert_equal :uefi_secure_boot, DummyPxeLoader.firmware_type('Grub2 UEFI SecureBoot')
+    end
   end
 end