100 lines
4.0 KiB
Python
100 lines
4.0 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 datetime
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from oslo_utils.fixture import uuidsentinel
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from nova.compute import migration_list
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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 import test
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class TestMigrationListObjects(test.TestCase):
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NUMBER_OF_CELLS = 3
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def setUp(self):
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super(TestMigrationListObjects, self).setUp()
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self.context = context.RequestContext('fake', 'fake')
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self.num_migrations = 3
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self.migrations = []
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start = datetime.datetime(1985, 10, 25, 1, 21, 0)
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self.cells = objects.CellMappingList.get_all(self.context)
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# Create three migrations in each of the real cells. Leave the
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# first cell empty to make sure we don't break with an empty
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# one.
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for cell in self.cells[1:]:
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for i in range(0, self.num_migrations):
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with context.target_cell(self.context, cell) as cctx:
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mig = objects.Migration(cctx,
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uuid=getattr(
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uuidsentinel,
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'%s_mig%i' % (cell.name, i)
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),
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created_at=start,
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migration_type='resize',
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instance_uuid=getattr(
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uuidsentinel,
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'inst%i' % i)
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)
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mig.create()
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self.migrations.append(mig)
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def test_get_instance_objects_sorted(self):
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filters = {}
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limit = None
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marker = None
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sort_keys = ['uuid']
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sort_dirs = ['asc']
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migs = migration_list.get_migration_objects_sorted(
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self.context, filters, limit, marker,
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sort_keys, sort_dirs)
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found_uuids = [x.uuid for x in migs]
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had_uuids = sorted([x['uuid'] for x in self.migrations])
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self.assertEqual(had_uuids, found_uuids)
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def test_get_instance_objects_sorted_paged(self):
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"""Query a full first page and ensure an empty second one.
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This uses created_at which is enforced to be the same across
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each migration by setUp(). This will help make sure we still
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have a stable ordering, even when we only claim to care about
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created_at.
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"""
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migp1 = migration_list.get_migration_objects_sorted(
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self.context, {}, None, None,
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['created_at'], ['asc'])
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self.assertEqual(len(self.migrations), len(migp1))
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migp2 = migration_list.get_migration_objects_sorted(
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self.context, {}, None, migp1[-1]['uuid'],
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['created_at'], ['asc'])
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self.assertEqual(0, len(migp2))
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def test_get_marker_record_not_found(self):
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marker = uuidsentinel.not_found
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self.assertRaises(exception.MarkerNotFound,
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migration_list.get_migration_objects_sorted,
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self.context, {}, None, marker, None, None)
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def test_get_sorted_with_limit(self):
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migs = migration_list.get_migration_objects_sorted(
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self.context, {}, 2, None, ['uuid'], ['asc'])
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uuids = [mig['uuid'] for mig in migs]
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had_uuids = [mig.uuid for mig in self.migrations]
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self.assertEqual(sorted(had_uuids)[:2], uuids)
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self.assertEqual(2, len(uuids))
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