Merge "Remove legacy RequestSpec compat code from live migrate task"

nova/conductor/tasks/live_migrate.py

@@ -25,7 +25,6 @@ from nova import network
 from nova import objects
 from nova.objects import fields as obj_fields
 from nova.scheduler import utils as scheduler_utils
-from nova import utils
 
 LOG = logging.getLogger(__name__)
 CONF = nova.conf.CONF
@@ -340,25 +339,11 @@ class LiveMigrationTask(base.TaskBase):
             This is generally at least seeded with the source host.
         :returns: nova.objects.RequestSpec object
         """
-        if not self.request_spec:
-            # NOTE(sbauza): We were unable to find an original RequestSpec
-            # object - probably because the instance is old.
-            # We need to mock that the old way
-            image = utils.get_image_from_system_metadata(
-                self.instance.system_metadata)
-            filter_properties = {'ignore_hosts': attempted_hosts}
-            request_spec = objects.RequestSpec.from_components(
-                self.context, self.instance.uuid, image,
-                self.instance.flavor, self.instance.numa_topology,
-                self.instance.pci_requests,
-                filter_properties, None, self.instance.availability_zone
-            )
-        else:
-            request_spec = self.request_spec
-            # NOTE(sbauza): Force_hosts/nodes needs to be reset
-            # if we want to make sure that the next destination
-            # is not forced to be the original host
-            request_spec.reset_forced_destinations()
+        request_spec = self.request_spec
+        # NOTE(sbauza): Force_hosts/nodes needs to be reset
+        # if we want to make sure that the next destination
+        # is not forced to be the original host
+        request_spec.reset_forced_destinations()
         scheduler_utils.setup_instance_group(self.context, request_spec)
 
         # We currently only support live migrating to hosts in the same

nova/tests/unit/conductor/tasks/test_live_migrate.py

@@ -28,7 +28,6 @@ from nova.scheduler import utils as scheduler_utils
 from nova import servicegroup
 from nova import test
 from nova.tests.unit import fake_instance
-from nova import utils
 
 
 fake_selection1 = objects.Selection(service_host="host1", nodename="node1",
@@ -400,47 +399,6 @@ class LiveMigrationTaskTestCase(test.NoDBTestCase):
         mock_check.assert_called_once_with('host1')
         mock_call.assert_called_once_with('host1')
 
-    def test_find_destination_works_with_no_request_spec(self):
-        task = live_migrate.LiveMigrationTask(
-            self.context, self.instance, self.destination,
-            self.block_migration, self.disk_over_commit, self.migration,
-            compute_rpcapi.ComputeAPI(), servicegroup.API(),
-            scheduler_client.SchedulerClient(), request_spec=None)
-        another_spec = objects.RequestSpec()
-        self.instance.flavor = objects.Flavor()
-        self.instance.numa_topology = None
-        self.instance.pci_requests = None
-
-        @mock.patch.object(task, '_call_livem_checks_on_host')
-        @mock.patch.object(task, '_check_compatible_with_source_hypervisor')
-        @mock.patch.object(task.scheduler_client, 'select_destinations')
-        @mock.patch.object(objects.RequestSpec, 'from_components')
-        @mock.patch.object(scheduler_utils, 'setup_instance_group')
-        @mock.patch.object(utils, 'get_image_from_system_metadata')
-        def do_test(get_image, setup_ig, from_components, select_dest,
-                    check_compat, call_livem_checks):
-            get_image.return_value = "image"
-            from_components.return_value = another_spec
-            select_dest.return_value = [[fake_selection1]]
-
-            self.assertEqual(("host1", "node1"), task._find_destination())
-
-            get_image.assert_called_once_with(self.instance.system_metadata)
-            setup_ig.assert_called_once_with(self.context, another_spec)
-            self.ensure_network_metadata_mock.assert_called_once_with(
-                self.instance)
-            self.heal_reqspec_is_bfv_mock.assert_called_once_with(
-                self.context, another_spec, self.instance)
-            select_dest.assert_called_once_with(self.context, another_spec,
-                    [self.instance.uuid], return_objects=True,
-                    return_alternates=False)
-            # Make sure the request_spec was updated to include the cell
-            # mapping.
-            self.assertIsNotNone(another_spec.requested_destination.cell)
-            check_compat.assert_called_once_with("host1")
-            call_livem_checks.assert_called_once_with("host1")
-        do_test()
-
     @mock.patch.object(live_migrate.LiveMigrationTask,
                        '_call_livem_checks_on_host')
     @mock.patch.object(live_migrate.LiveMigrationTask,