openstack
/
nova
Code Issues Proposed changes

Merge "post live migration: don't call Neutron needlessly" into stable/rocky

This commit is contained in:
Zuul 2020-10-15 00:06:44 +00:00 committed by Gerrit Code Review
parent f10d5bdbfa a1d3ae3876
commit 211b5d1ca5
3 changed files with 18 additions and 5 deletions
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8
nova/compute/manager.py
View File

@ -6987,7 +6987,13 @@ class ComputeManager(manager.Manager):
# Releasing vlan.
# (not necessary in current implementation?)
network_info = self.network_api.get_instance_nw_info(ctxt, instance)
# NOTE(artom) At this point in time we have not bound the ports to the
# destination host yet (this happens in migrate_instance_start()
# below). Therefore, the "old" source network info that's still in the
# instance info cache is safe to use here, since it'll be used below
# during driver.post_live_migration_at_source() to unplug the VIFs on
# the source.
network_info = instance.get_network_info()
self._notify_about_instance_usage(ctxt, instance,
"live_migration._post.start",

11
nova/tests/unit/compute/test_compute.py
View File

@ -6563,8 +6563,9 @@ class ComputeTestCase(BaseTestCase,
mock.patch.object(
self.compute.network_api, 'setup_networks_on_host'),
mock.patch.object(migration_obj, 'save'),
mock.patch.object(instance, 'get_network_info', return_value=[]),
) as (
mock_migrate, mock_setup, mock_mig_save
mock_migrate, mock_setup, mock_mig_save, mock_get_nw_info
):
self.compute._post_live_migration(c, instance, dest,
migrate_data=migrate_data,
@ -6576,6 +6577,7 @@ class ComputeTestCase(BaseTestCase,
mock_migrate.assert_called_once_with(c, instance, migration)
mock_post.assert_called_once_with(c, instance, False, dest)
mock_clear.assert_called_once_with(mock.ANY)
mock_get_nw_info.assert_called()
@mock.patch('nova.compute.utils.notify_about_instance_action')
def test_post_live_migration_working_correctly(self, mock_notify):
@ -6618,12 +6620,15 @@ class ComputeTestCase(BaseTestCase,
'clear_events_for_instance'),
mock.patch.object(self.compute, 'update_available_resource'),
mock.patch.object(migration_obj, 'save'),
mock.patch.object(instance, 'get_network_info'),
) as (
post_live_migration, unfilter_instance,
migrate_instance_start, post_live_migration_at_destination,
post_live_migration_at_source, setup_networks_on_host,
clear_events, update_available_resource, mig_save
clear_events, update_available_resource, mig_save, get_nw_info,
):
nw_info = network_model.NetworkInfo.hydrate([])
get_nw_info.return_value = nw_info
self.compute._post_live_migration(c, instance, dest,
migrate_data=migrate_data,
source_bdms=bdms)
@ -6646,7 +6651,7 @@ class ComputeTestCase(BaseTestCase,
post_live_migration_at_destination.assert_has_calls([
mock.call(c, instance, False, dest)])
post_live_migration_at_source.assert_has_calls(
[mock.call(c, instance, [])])
[mock.call(c, instance, nw_info)])
clear_events.assert_called_once_with(instance)
update_available_resource.assert_has_calls([mock.call(c)])
self.assertEqual('completed', migration_obj.status)

4
nova/tests/unit/compute/test_compute_mgr.py
View File

@ -8718,6 +8718,7 @@ class ComputeManagerMigrationTestCase(test.NoDBTestCase):
source_node='src')
image_bdm.attachment_id = uuids.attachment3
@mock.patch.object(instance, 'get_network_info')
@mock.patch('nova.compute.utils.notify_about_instance_action')
@mock.patch('nova.objects.ConsoleAuthToken.'
'clean_console_auths_for_instance')
@ -8737,7 +8738,7 @@ class ComputeManagerMigrationTestCase(test.NoDBTestCase):
def _test(mock_net_api, mock_notify, mock_driver,
mock_rpc, mock_get_bdm_info, mock_attach_delete,
mock_update_resource, mock_bdm_save, mock_rt, mock_ga,
mock_clean, mock_notify_action):
mock_clean, mock_notify_action, mock_get_nw_info):
mock_rt.return_value = mock.Mock()
bdms = objects.BlockDeviceMappingList(objects=[vol_bdm, image_bdm])
@ -8754,6 +8755,7 @@ class ComputeManagerMigrationTestCase(test.NoDBTestCase):
mock.call(self.context, instance, 'fake-mini',
action='live_migration_post', phase='end')])
self.assertEqual(2, mock_notify_action.call_count)
mock_get_nw_info.assert_called()
_test()