summaryrefslogtreecommitdiff
path: root/nova/tests/unit/compute/test_compute_mgr.py
diff options
context:
space:
mode:
Diffstat (limited to 'nova/tests/unit/compute/test_compute_mgr.py')
-rw-r--r--nova/tests/unit/compute/test_compute_mgr.py114
1 files changed, 106 insertions, 8 deletions
diff --git a/nova/tests/unit/compute/test_compute_mgr.py b/nova/tests/unit/compute/test_compute_mgr.py
index 8981b6f7ba..93acfee330 100644
--- a/nova/tests/unit/compute/test_compute_mgr.py
+++ b/nova/tests/unit/compute/test_compute_mgr.py
@@ -3198,12 +3198,16 @@ class ComputeManagerUnitTestCase(test.NoDBTestCase,
CONF.host, instance.uuid)
return result
+ @mock.patch('nova.objects.InstanceGroup.get_by_instance_uuid', mock.Mock(
+ side_effect=exception.InstanceGroupNotFound(group_uuid='')))
def test_check_can_live_migrate_destination_success(self):
self.useFixture(std_fixtures.MonkeyPatch(
'nova.network.neutronv2.api.API.supports_port_binding_extension',
lambda *args: True))
self._test_check_can_live_migrate_destination()
+ @mock.patch('nova.objects.InstanceGroup.get_by_instance_uuid', mock.Mock(
+ side_effect=exception.InstanceGroupNotFound(group_uuid='')))
def test_check_can_live_migrate_destination_fail(self):
self.useFixture(std_fixtures.MonkeyPatch(
'nova.network.neutronv2.api.API.supports_port_binding_extension',
@@ -3213,7 +3217,9 @@ class ComputeManagerUnitTestCase(test.NoDBTestCase,
self._test_check_can_live_migrate_destination,
do_raise=True)
- def test_check_can_live_migrate_destination_contins_vifs(self):
+ @mock.patch('nova.objects.InstanceGroup.get_by_instance_uuid', mock.Mock(
+ side_effect=exception.InstanceGroupNotFound(group_uuid='')))
+ def test_check_can_live_migrate_destination_contains_vifs(self):
self.useFixture(std_fixtures.MonkeyPatch(
'nova.network.neutronv2.api.API.supports_port_binding_extension',
lambda *args: True))
@@ -3221,6 +3227,8 @@ class ComputeManagerUnitTestCase(test.NoDBTestCase,
self.assertIn('vifs', migrate_data)
self.assertIsNotNone(migrate_data.vifs)
+ @mock.patch('nova.objects.InstanceGroup.get_by_instance_uuid', mock.Mock(
+ side_effect=exception.InstanceGroupNotFound(group_uuid='')))
def test_check_can_live_migrate_destination_no_binding_extended(self):
self.useFixture(std_fixtures.MonkeyPatch(
'nova.network.neutronv2.api.API.supports_port_binding_extension',
@@ -3228,18 +3236,40 @@ class ComputeManagerUnitTestCase(test.NoDBTestCase,
migrate_data = self._test_check_can_live_migrate_destination()
self.assertNotIn('vifs', migrate_data)
+ @mock.patch('nova.objects.InstanceGroup.get_by_instance_uuid', mock.Mock(
+ side_effect=exception.InstanceGroupNotFound(group_uuid='')))
def test_check_can_live_migrate_destination_src_numa_lm_false(self):
self.useFixture(std_fixtures.MonkeyPatch(
'nova.network.neutronv2.api.API.supports_port_binding_extension',
lambda *args: True))
self._test_check_can_live_migrate_destination(src_numa_lm=False)
+ @mock.patch('nova.objects.InstanceGroup.get_by_instance_uuid', mock.Mock(
+ side_effect=exception.InstanceGroupNotFound(group_uuid='')))
def test_check_can_live_migrate_destination_src_numa_lm_true(self):
self.useFixture(std_fixtures.MonkeyPatch(
'nova.network.neutronv2.api.API.supports_port_binding_extension',
lambda *args: True))
self._test_check_can_live_migrate_destination(src_numa_lm=True)
+ @mock.patch.object(compute_utils, 'add_instance_fault_from_exc')
+ def test_check_can_live_migrate_destination_fail_group_policy(
+ self, mock_fail_db):
+
+ instance = fake_instance.fake_instance_obj(
+ self.context, host=self.compute.host, vm_state=vm_states.ACTIVE,
+ node='fake-node')
+
+ ex = exception.RescheduledException(
+ instance_uuid=instance.uuid, reason="policy violated")
+
+ with mock.patch.object(self.compute, '_validate_instance_group_policy',
+ side_effect=ex):
+ self.assertRaises(
+ exception.MigrationPreCheckError,
+ self.compute.check_can_live_migrate_destination,
+ self.context, instance, None, None, None, None)
+
def test_dest_can_numa_live_migrate(self):
positive_dest_check_data = objects.LibvirtLiveMigrateData(
dst_supports_numa_live_migration=True)
@@ -6979,7 +7009,8 @@ class ComputeManagerBuildInstanceTestCase(test.NoDBTestCase):
def test_validate_policy_honors_workaround_disabled(self, mock_get):
instance = objects.Instance(uuid=uuids.instance)
hints = {'group': 'foo'}
- mock_get.return_value = objects.InstanceGroup(policy=None)
+ mock_get.return_value = objects.InstanceGroup(policy=None,
+ uuid=uuids.group)
self.compute._validate_instance_group_policy(self.context,
instance, hints)
mock_get.assert_called_once_with(self.context, 'foo')
@@ -7005,10 +7036,14 @@ class ComputeManagerBuildInstanceTestCase(test.NoDBTestCase):
instance, hints)
mock_get.assert_called_once_with(self.context, uuids.group_hint)
+ @mock.patch('nova.objects.InstanceGroup.get_by_uuid')
@mock.patch('nova.objects.InstanceList.get_uuids_by_host')
@mock.patch('nova.objects.InstanceGroup.get_by_hint')
- def test_validate_instance_group_policy_with_rules(self, mock_get_by_hint,
- mock_get_by_host):
+ @mock.patch.object(fake_driver.FakeDriver, 'get_available_nodes')
+ @mock.patch('nova.objects.MigrationList.get_in_progress_by_host_and_node')
+ def test_validate_instance_group_policy_with_rules(
+ self, migration_list, nodes, mock_get_by_hint, mock_get_by_host,
+ mock_get_by_uuid):
# Create 2 instance in same host, inst2 created before inst1
instance = objects.Instance(uuid=uuids.inst1)
hints = {'group': [uuids.group_hint]}
@@ -7017,17 +7052,26 @@ class ComputeManagerBuildInstanceTestCase(test.NoDBTestCase):
mock_get_by_host.return_value = existing_insts
# if group policy rules limit to 1, raise RescheduledException
- mock_get_by_hint.return_value = objects.InstanceGroup(
+ group = objects.InstanceGroup(
policy='anti-affinity', rules={'max_server_per_host': '1'},
- hosts=['host1'], members=members_uuids)
+ hosts=['host1'], members=members_uuids,
+ uuid=uuids.group)
+ mock_get_by_hint.return_value = group
+ mock_get_by_uuid.return_value = group
+ nodes.return_value = ['nodename']
+ migration_list.return_value = [objects.Migration(
+ uuid=uuids.migration, instance_uuid=uuids.instance)]
self.assertRaises(exception.RescheduledException,
self.compute._validate_instance_group_policy,
self.context, instance, hints)
# if group policy rules limit change to 2, validate OK
- mock_get_by_hint.return_value = objects.InstanceGroup(
+ group2 = objects.InstanceGroup(
policy='anti-affinity', rules={'max_server_per_host': 2},
- hosts=['host1'], members=members_uuids)
+ hosts=['host1'], members=members_uuids,
+ uuid=uuids.group)
+ mock_get_by_hint.return_value = group2
+ mock_get_by_uuid.return_value = group2
self.compute._validate_instance_group_policy(self.context,
instance, hints)
@@ -8554,6 +8598,8 @@ class ComputeManagerMigrationTestCase(test.NoDBTestCase,
manager.ComputeManager()
mock_executor.assert_called_once_with()
+ @mock.patch('nova.objects.InstanceGroup.get_by_instance_uuid', mock.Mock(
+ side_effect=exception.InstanceGroupNotFound(group_uuid='')))
def test_pre_live_migration_cinder_v3_api(self):
# This tests that pre_live_migration with a bdm with an
# attachment_id, will create a new attachment and update
@@ -8631,6 +8677,8 @@ class ComputeManagerMigrationTestCase(test.NoDBTestCase,
_test()
+ @mock.patch('nova.objects.InstanceGroup.get_by_instance_uuid', mock.Mock(
+ side_effect=exception.InstanceGroupNotFound(group_uuid='')))
def test_pre_live_migration_exception_cinder_v3_api(self):
# The instance in this test has 2 attachments. The second attach_create
# will throw an exception. This will test that the first attachment
@@ -8700,6 +8748,8 @@ class ComputeManagerMigrationTestCase(test.NoDBTestCase,
self.assertGreater(len(m.mock_calls), 0)
_test()
+ @mock.patch('nova.objects.InstanceGroup.get_by_instance_uuid', mock.Mock(
+ side_effect=exception.InstanceGroupNotFound(group_uuid='')))
def test_pre_live_migration_exceptions_delete_attachments(self):
# The instance in this test has 2 attachments. The call to
# driver.pre_live_migration will raise an exception. This will test
@@ -10036,6 +10086,54 @@ class ComputeManagerMigrationTestCase(test.NoDBTestCase,
# (_error_out_instance_on_exception will set to ACTIVE by default).
self.assertEqual(vm_states.STOPPED, instance.vm_state)
+ @mock.patch('nova.compute.utils.notify_usage_exists')
+ @mock.patch('nova.compute.manager.ComputeManager.'
+ '_notify_about_instance_usage')
+ @mock.patch('nova.compute.utils.notify_about_resize_prep_instance')
+ @mock.patch('nova.objects.Instance.save')
+ @mock.patch('nova.compute.manager.ComputeManager._revert_allocation')
+ @mock.patch('nova.compute.manager.ComputeManager.'
+ '_reschedule_resize_or_reraise')
+ @mock.patch('nova.compute.utils.add_instance_fault_from_exc')
+ # this is almost copy-paste from test_prep_resize_fails_rollback
+ def test_prep_resize_fails_group_validation(
+ self, add_instance_fault_from_exc, _reschedule_resize_or_reraise,
+ _revert_allocation, mock_instance_save,
+ notify_about_resize_prep_instance, _notify_about_instance_usage,
+ notify_usage_exists):
+ """Tests that if _validate_instance_group_policy raises
+ InstanceFaultRollback, the instance.vm_state is reset properly in
+ _error_out_instance_on_exception
+ """
+ instance = fake_instance.fake_instance_obj(
+ self.context, host=self.compute.host, vm_state=vm_states.STOPPED,
+ node='fake-node', expected_attrs=['system_metadata', 'flavor'])
+ migration = mock.MagicMock(spec='nova.objects.Migration')
+ request_spec = mock.MagicMock(spec='nova.objects.RequestSpec')
+ ex = exception.RescheduledException(
+ instance_uuid=instance.uuid, reason="policy violated")
+ ex2 = exception.InstanceFaultRollback(
+ inner_exception=ex)
+
+ def fake_reschedule_resize_or_reraise(*args, **kwargs):
+ raise ex2
+
+ _reschedule_resize_or_reraise.side_effect = (
+ fake_reschedule_resize_or_reraise)
+
+ with mock.patch.object(self.compute, '_validate_instance_group_policy',
+ side_effect=ex):
+ self.assertRaises(
+ # _error_out_instance_on_exception should reraise the
+ # RescheduledException inside InstanceFaultRollback.
+ exception.RescheduledException, self.compute.prep_resize,
+ self.context, instance.image_meta, instance, instance.flavor,
+ request_spec, filter_properties={}, node=instance.node,
+ clean_shutdown=True, migration=migration, host_list=[])
+ # The instance.vm_state should remain unchanged
+ # (_error_out_instance_on_exception will set to ACTIVE by default).
+ self.assertEqual(vm_states.STOPPED, instance.vm_state)
+
@mock.patch('nova.compute.rpcapi.ComputeAPI.resize_instance')
@mock.patch('nova.compute.resource_tracker.ResourceTracker.resize_claim')
@mock.patch('nova.objects.Instance.save')