WIP install 4/n: insertion of install ISO as CD

TODO:
- hardcoded values, move to vdis[]

Author: ydirson

lib/vm.py

@@ -487,6 +487,18 @@ def create_vbd(self, device, vdi_uuid):
         logging.info("New VBD %s", vbd_uuid)
         return VBD(vbd_uuid, self, device)
 
+    def create_cd_vbd(self, device):
+        logging.info("Create CD VBD %r on VM %s", device, self.uuid)
+        vbd_uuid = self.host.xe('vbd-create', {'vm-uuid': self.uuid,
+                                               'device': device,
+                                               'type': 'CD',
+                                               'mode': 'RO',
+                                               })
+        vbd = VBD(vbd_uuid, self, device)
+        vbd.param_set(param_name="userdevice", value="3") # FIXME
+        logging.info("New VBD %s", vbd_uuid)
+        return vbd
+
     def clone(self):
         name = self.name() + '_clone_for_tests'
         logging.info("Clone VM")

tests/install/test_install.py

@@ -8,4 +8,8 @@
          ))
 class TestInstallNested:
     def test_install_nested_821_uefi(self, create_vms):
-        pass
+        assert len(create_vms) == 1
+        host_vm = create_vms[0]
+
+        host_vm.create_cd_vbd("xvdd")
+        host_vm.insert_cd("xcp-ng-8.2.1-20231130.iso")