158 lines
6.8 KiB
Python
158 lines
6.8 KiB
Python
# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import mock
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from oslo_serialization import jsonutils
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from oslo_utils.fixture import uuidsentinel as uuids
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from nova import context
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from nova import exception
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from nova import objects
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from nova.tests.unit.objects import test_instance_numa
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from nova.tests.unit.objects import test_objects
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fake_instance_uuid = uuids.fake
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fake_migration_context_obj = objects.MigrationContext()
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fake_migration_context_obj.instance_uuid = fake_instance_uuid
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fake_migration_context_obj.migration_id = 42
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fake_migration_context_obj.new_numa_topology = (
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test_instance_numa.fake_obj_numa_topology.obj_clone())
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fake_migration_context_obj.old_numa_topology = None
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fake_migration_context_obj.new_pci_devices = objects.PciDeviceList()
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fake_migration_context_obj.old_pci_devices = None
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fake_migration_context_obj.new_pci_requests = (
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objects.InstancePCIRequests(requests=[
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objects.InstancePCIRequest(count=123, spec=[])]))
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fake_migration_context_obj.old_pci_requests = None
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fake_migration_context_obj.new_resources = objects.ResourceList()
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fake_migration_context_obj.old_resources = None
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fake_db_context = {
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'created_at': None,
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'updated_at': None,
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'deleted_at': None,
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'deleted': 0,
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'instance_uuid': fake_instance_uuid,
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'migration_context': jsonutils.dumps(
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fake_migration_context_obj.obj_to_primitive()),
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}
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def get_fake_migration_context_obj(ctxt):
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obj = fake_migration_context_obj.obj_clone()
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obj._context = ctxt
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return obj
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def get_fake_migration_context_with_pci_devs(ctxt=None):
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obj = get_fake_migration_context_obj(ctxt)
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obj.old_pci_devices = objects.PciDeviceList(
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objects=[objects.PciDevice(vendor_id='1377',
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product_id='0047',
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address='0000:0a:00.1',
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compute_node_id=1,
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request_id=uuids.pcidev)])
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obj.new_pci_devices = objects.PciDeviceList(
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objects=[objects.PciDevice(vendor_id='1377',
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product_id='0047',
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address='0000:0b:00.1',
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compute_node_id=2,
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request_id=uuids.pcidev)])
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return obj
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class _TestMigrationContext(object):
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def _test_get_by_instance_uuid(self, db_data):
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mig_context = objects.MigrationContext.get_by_instance_uuid(
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self.context, fake_db_context['instance_uuid'])
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if mig_context:
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self.assertEqual(fake_db_context['instance_uuid'],
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mig_context.instance_uuid)
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expected_mig_context = db_data and db_data.get('migration_context')
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expected_mig_context = objects.MigrationContext.obj_from_db_obj(
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expected_mig_context)
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self.assertEqual(expected_mig_context.instance_uuid,
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mig_context.instance_uuid)
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self.assertEqual(expected_mig_context.migration_id,
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mig_context.migration_id)
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self.assertIsInstance(expected_mig_context.new_numa_topology,
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mig_context.new_numa_topology.__class__)
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self.assertIsInstance(expected_mig_context.old_numa_topology,
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mig_context.old_numa_topology.__class__)
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self.assertIsInstance(expected_mig_context.new_pci_devices,
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mig_context.new_pci_devices.__class__)
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self.assertIsInstance(expected_mig_context.old_pci_devices,
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mig_context.old_pci_devices.__class__)
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self.assertIsInstance(expected_mig_context.new_pci_requests,
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mig_context.new_pci_requests.__class__)
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self.assertIsInstance(expected_mig_context.old_pci_requests,
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mig_context.old_pci_requests.__class__)
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self.assertIsInstance(expected_mig_context. new_resources,
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mig_context.new_resources.__class__)
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self.assertIsInstance(expected_mig_context.old_resources,
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mig_context.old_resources.__class__)
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else:
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self.assertIsNone(mig_context)
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@mock.patch('nova.db.api.instance_extra_get_by_instance_uuid')
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def test_get_by_instance_uuid(self, mock_get):
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mock_get.return_value = fake_db_context
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self._test_get_by_instance_uuid(fake_db_context)
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@mock.patch('nova.db.api.instance_extra_get_by_instance_uuid')
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def test_get_by_instance_uuid_none(self, mock_get):
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db_context = fake_db_context.copy()
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db_context['migration_context'] = None
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mock_get.return_value = db_context
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self._test_get_by_instance_uuid(db_context)
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@mock.patch('nova.db.api.instance_extra_get_by_instance_uuid')
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def test_get_by_instance_uuid_missing(self, mock_get):
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mock_get.return_value = None
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self.assertRaises(
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exception.MigrationContextNotFound,
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objects.MigrationContext.get_by_instance_uuid,
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self.context, 'fake_uuid')
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@mock.patch('nova.objects.Migration.get_by_id',
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return_value=objects.Migration(cross_cell_move=True))
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def test_is_cross_cell_move(self, mock_get_by_id):
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ctxt = context.get_admin_context()
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mig_ctx = get_fake_migration_context_obj(ctxt)
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self.assertTrue(mig_ctx.is_cross_cell_move())
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mock_get_by_id.assert_called_once_with(ctxt, mig_ctx.migration_id)
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class TestMigrationContext(test_objects._LocalTest, _TestMigrationContext):
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def test_pci_mapping_for_migration(self):
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mig_ctx = get_fake_migration_context_with_pci_devs()
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pci_mapping = mig_ctx.get_pci_mapping_for_migration(False)
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self.assertDictEqual(
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{mig_ctx.old_pci_devices[0].address: mig_ctx.new_pci_devices[0]},
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pci_mapping)
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def test_pci_mapping_for_migration_revert(self):
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mig_ctx = get_fake_migration_context_with_pci_devs()
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pci_mapping = mig_ctx.get_pci_mapping_for_migration(True)
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self.assertDictEqual(
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{mig_ctx.new_pci_devices[0].address: mig_ctx.old_pci_devices[0]},
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pci_mapping)
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class TestMigrationContextRemote(test_objects._RemoteTest,
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_TestMigrationContext):
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pass
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