5c6c816d8c
1) Change it to accommodate querying it for 'None' project_ids in the "--all-tenats" case. 2) If the online data migration for populating queued_for_delete has not been run for some reason, the the values could be NULL in the database for instance_mapping.queued_for_delete. Under such circumstances, we assume that such mappings with NULL queued_for_delete have *not* being queued_for_deletion. Related to blueprint handling-down-cell Change-Id: I80a65bc026e26a272a9dc041b27f9839511db765
378 lines
17 KiB
Python
378 lines
17 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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from oslo_utils.fixture import uuidsentinel
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from oslo_utils import uuidutils
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from nova.compute import vm_states
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from nova import context
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from nova import exception
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from nova.objects import cell_mapping
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from nova.objects import instance
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from nova.objects import instance_mapping
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from nova import test
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from nova.tests import fixtures
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sample_mapping = {'instance_uuid': '',
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'cell_id': 3,
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'project_id': 'fake-project'}
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sample_cell_mapping = {'id': 3,
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'uuid': '',
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'name': 'fake-cell',
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'transport_url': 'rabbit:///',
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'database_connection': 'mysql:///'}
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def create_cell_mapping(**kwargs):
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args = sample_cell_mapping.copy()
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if 'uuid' not in kwargs:
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args['uuid'] = uuidutils.generate_uuid()
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args.update(kwargs)
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ctxt = context.RequestContext('fake-user', 'fake-project')
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return cell_mapping.CellMapping._create_in_db(ctxt, args)
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def create_mapping(**kwargs):
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args = sample_mapping.copy()
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if 'instance_uuid' not in kwargs:
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args['instance_uuid'] = uuidutils.generate_uuid()
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args.update(kwargs)
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ctxt = context.RequestContext('fake-user', 'fake-project')
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return instance_mapping.InstanceMapping._create_in_db(ctxt, args)
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class InstanceMappingTestCase(test.NoDBTestCase):
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USES_DB_SELF = True
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def setUp(self):
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super(InstanceMappingTestCase, self).setUp()
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self.useFixture(fixtures.Database(database='api'))
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self.context = context.RequestContext('fake-user', 'fake-project')
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self.mapping_obj = instance_mapping.InstanceMapping()
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def test_get_by_instance_uuid(self):
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cell_mapping = create_cell_mapping()
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mapping = create_mapping()
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db_mapping = self.mapping_obj._get_by_instance_uuid_from_db(
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self.context, mapping['instance_uuid'])
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for key in [key for key in self.mapping_obj.fields.keys()
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if key != 'cell_mapping']:
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self.assertEqual(db_mapping[key], mapping[key])
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self.assertEqual(db_mapping['cell_mapping']['id'], cell_mapping['id'])
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def test_get_by_instance_uuid_not_found(self):
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self.assertRaises(exception.InstanceMappingNotFound,
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self.mapping_obj._get_by_instance_uuid_from_db, self.context,
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uuidutils.generate_uuid())
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def test_save_in_db(self):
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mapping = create_mapping()
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cell_mapping = create_cell_mapping()
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self.mapping_obj._save_in_db(self.context, mapping['instance_uuid'],
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{'cell_id': cell_mapping['id']})
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db_mapping = self.mapping_obj._get_by_instance_uuid_from_db(
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self.context, mapping['instance_uuid'])
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for key in [key for key in self.mapping_obj.fields.keys()
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if key not in ['cell_id', 'cell_mapping', 'updated_at']]:
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self.assertEqual(db_mapping[key], mapping[key])
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self.assertEqual(db_mapping['cell_id'], cell_mapping['id'])
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def test_destroy_in_db(self):
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mapping = create_mapping()
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self.mapping_obj._get_by_instance_uuid_from_db(self.context,
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mapping['instance_uuid'])
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self.mapping_obj._destroy_in_db(self.context, mapping['instance_uuid'])
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self.assertRaises(exception.InstanceMappingNotFound,
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self.mapping_obj._get_by_instance_uuid_from_db, self.context,
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mapping['instance_uuid'])
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def test_cell_id_nullable(self):
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# Just ensure this doesn't raise
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create_mapping(cell_id=None)
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def test_modify_cell_mapping(self):
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inst_mapping = instance_mapping.InstanceMapping(context=self.context)
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inst_mapping.instance_uuid = uuidutils.generate_uuid()
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inst_mapping.project_id = self.context.project_id
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inst_mapping.cell_mapping = None
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inst_mapping.create()
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c_mapping = cell_mapping.CellMapping(
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self.context,
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uuid=uuidutils.generate_uuid(),
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name="cell0",
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transport_url="none:///",
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database_connection="fake:///")
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c_mapping.create()
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inst_mapping.cell_mapping = c_mapping
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inst_mapping.save()
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result_mapping = instance_mapping.InstanceMapping.get_by_instance_uuid(
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self.context, inst_mapping.instance_uuid)
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self.assertEqual(result_mapping.cell_mapping.id,
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c_mapping.id)
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def test_populate_queued_for_delete(self):
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cells = []
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celldbs = fixtures.CellDatabases()
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# Create two cell databases and map them
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for uuid in (uuidsentinel.cell1, uuidsentinel.cell2):
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cm = cell_mapping.CellMapping(context=self.context, uuid=uuid,
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database_connection=uuid,
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transport_url='fake://')
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cm.create()
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cells.append(cm)
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celldbs.add_cell_database(uuid)
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self.useFixture(celldbs)
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# Create 5 instances per cell, two deleted, one with matching
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# queued_for_delete in the instance mapping
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for cell in cells:
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for i in range(0, 5):
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# Instance 4 should be SOFT_DELETED
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vm_state = (vm_states.SOFT_DELETED if i == 4
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else vm_states.ACTIVE)
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# Instance 2 should already be marked as queued_for_delete
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qfd = True if i == 2 else None
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with context.target_cell(self.context, cell) as cctxt:
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inst = instance.Instance(
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cctxt,
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vm_state=vm_state,
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project_id=self.context.project_id,
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user_id=self.context.user_id)
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inst.create()
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if i in (2, 3):
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# Instances 2 and 3 are hard-deleted
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inst.destroy()
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instance_mapping.InstanceMapping._create_in_db(
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self.context,
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{'project_id': self.context.project_id,
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'cell_id': cell.id,
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'queued_for_delete': qfd,
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'instance_uuid': inst.uuid})
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done, total = instance_mapping.populate_queued_for_delete(self.context,
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2)
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# First two needed fixing, and honored the limit
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self.assertEqual(2, done)
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self.assertEqual(2, total)
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done, total = instance_mapping.populate_queued_for_delete(self.context,
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1000)
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# Last six included two that were already done, and spanned to the
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# next cell
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self.assertEqual(6, done)
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self.assertEqual(6, total)
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mappings = instance_mapping.InstanceMappingList.get_by_project_id(
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self.context, self.context.project_id)
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# Check that we have only the expected number of records with
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# True/False (which implies no NULL records).
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# Six deleted instances
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self.assertEqual(6, len(
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[im for im in mappings if im.queued_for_delete is True]))
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# Four non-deleted instances
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self.assertEqual(4, len(
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[im for im in mappings if im.queued_for_delete is False]))
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class InstanceMappingListTestCase(test.NoDBTestCase):
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USES_DB_SELF = True
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def setUp(self):
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super(InstanceMappingListTestCase, self).setUp()
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self.useFixture(fixtures.Database(database='api'))
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self.context = context.RequestContext('fake-user', 'fake-project')
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self.list_obj = instance_mapping.InstanceMappingList()
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def test_get_by_project_id_from_db(self):
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project_id = 'fake-project'
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mappings = {}
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mapping = create_mapping(project_id=project_id)
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mappings[mapping['instance_uuid']] = mapping
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mapping = create_mapping(project_id=project_id)
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mappings[mapping['instance_uuid']] = mapping
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db_mappings = self.list_obj._get_by_project_id_from_db(
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self.context, project_id)
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for db_mapping in db_mappings:
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mapping = mappings[db_mapping.instance_uuid]
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for key in instance_mapping.InstanceMapping.fields.keys():
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self.assertEqual(db_mapping[key], mapping[key])
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def test_instance_mapping_list_get_by_cell_id(self):
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"""Tests getting all of the InstanceMappings for a given CellMapping id
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"""
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# we shouldn't have any instance mappings yet
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inst_mapping_list = (
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instance_mapping.InstanceMappingList.get_by_cell_id(
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self.context, sample_cell_mapping['id'])
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)
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self.assertEqual(0, len(inst_mapping_list))
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# now create an instance mapping in a cell
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db_inst_mapping1 = create_mapping()
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# let's also create an instance mapping that's not in a cell to make
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# sure our filtering is working
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db_inst_mapping2 = create_mapping(cell_id=None)
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self.assertIsNone(db_inst_mapping2['cell_id'])
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# now we should list out one instance mapping for the cell
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inst_mapping_list = (
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instance_mapping.InstanceMappingList.get_by_cell_id(
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self.context, db_inst_mapping1['cell_id'])
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)
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self.assertEqual(1, len(inst_mapping_list))
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self.assertEqual(db_inst_mapping1['id'], inst_mapping_list[0].id)
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def test_instance_mapping_get_by_instance_uuids(self):
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db_inst_mapping1 = create_mapping()
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db_inst_mapping2 = create_mapping(cell_id=None)
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# Create a third that we won't include
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create_mapping()
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uuids = [db_inst_mapping1.instance_uuid,
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db_inst_mapping2.instance_uuid]
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mappings = instance_mapping.InstanceMappingList.get_by_instance_uuids(
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self.context, uuids + [uuidsentinel.deleted_instance])
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self.assertEqual(sorted(uuids),
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sorted([m.instance_uuid for m in mappings]))
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def test_get_not_deleted_by_cell_and_project(self):
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cells = []
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# Create two cells
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for uuid in (uuidsentinel.cell1, uuidsentinel.cell2):
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cm = cell_mapping.CellMapping(context=self.context, uuid=uuid,
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database_connection="fake:///",
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transport_url='fake://')
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cm.create()
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cells.append(cm)
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uuids = {cells[0]: [uuidsentinel.c1i1, uuidsentinel.c1i2],
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cells[1]: [uuidsentinel.c2i1, uuidsentinel.c2i2]}
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project_ids = ['fake-project-1', 'fake-project-2']
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# Create five instance_mappings such that:
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for cell, uuid in uuids.items():
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# Both the cells contain a mapping belonging to fake-project-1
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im1 = instance_mapping.InstanceMapping(context=self.context,
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project_id=project_ids[0], cell_mapping=cell,
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instance_uuid=uuid[0], queued_for_delete=False)
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im1.create()
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# Both the cells contain a mapping belonging to fake-project-2
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im2 = instance_mapping.InstanceMapping(context=self.context,
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project_id=project_ids[1], cell_mapping=cell,
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instance_uuid=uuid[1], queued_for_delete=False)
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im2.create()
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# The second cell has a third mapping that is queued for deletion
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# which belongs to fake-project-1.
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if cell.uuid == uuidsentinel.cell2:
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im3 = instance_mapping.InstanceMapping(context=self.context,
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project_id=project_ids[0], cell_mapping=cell,
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instance_uuid=uuidsentinel.qfd, queued_for_delete=True)
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im3.create()
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# Get not queued for deletion mappings from cell1 belonging to
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# fake-project-2.
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ims = (instance_mapping.InstanceMappingList.
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get_not_deleted_by_cell_and_project(
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self.context, cells[0].uuid, 'fake-project-2'))
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# This will give us one mapping from cell1
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self.assertEqual([uuidsentinel.c1i2],
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sorted([m.instance_uuid for m in ims]))
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self.assertIn('cell_mapping', ims[0])
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# Get not queued for deletion mappings from cell2 belonging to
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# fake-project-1.
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ims = (instance_mapping.InstanceMappingList.
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get_not_deleted_by_cell_and_project(
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self.context, cells[1].uuid, 'fake-project-1'))
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# This will give us one mapping from cell2. Note that even if
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# there are two mappings belonging to fake-project-1 inside cell2,
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# only the one not queued for deletion is returned.
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self.assertEqual([uuidsentinel.c2i1],
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sorted([m.instance_uuid for m in ims]))
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# Try getting a mapping belonging to a non-existing project_id.
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ims = (instance_mapping.InstanceMappingList.
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get_not_deleted_by_cell_and_project(
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self.context, cells[0].uuid, 'fake-project-3'))
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# Since no mappings belong to fake-project-3, nothing is returned.
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self.assertEqual([], sorted([m.instance_uuid for m in ims]))
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def test_get_not_deleted_by_cell_and_project_limit(self):
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cm = cell_mapping.CellMapping(context=self.context,
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uuid=uuidsentinel.cell,
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database_connection='fake:///',
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transport_url='fake://')
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cm.create()
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pid = self.context.project_id
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for uuid in (uuidsentinel.uuid2, uuidsentinel.inst2):
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im = instance_mapping.InstanceMapping(context=self.context,
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project_id=pid,
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cell_mapping=cm,
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instance_uuid=uuid,
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queued_for_delete=False)
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im.create()
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ims = (instance_mapping.InstanceMappingList.
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get_not_deleted_by_cell_and_project(self.context,
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cm.uuid,
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pid))
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self.assertEqual(2, len(ims))
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ims = (instance_mapping.InstanceMappingList.
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get_not_deleted_by_cell_and_project(self.context,
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cm.uuid,
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pid,
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limit=10))
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self.assertEqual(2, len(ims))
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ims = (instance_mapping.InstanceMappingList.
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get_not_deleted_by_cell_and_project(self.context,
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cm.uuid,
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pid,
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limit=1))
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self.assertEqual(1, len(ims))
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def test_get_not_deleted_by_cell_and_project_None(self):
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cm = cell_mapping.CellMapping(context=self.context,
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uuid=uuidsentinel.cell,
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database_connection='fake:///',
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transport_url='fake://')
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cm.create()
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im1 = instance_mapping.InstanceMapping(context=self.context,
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project_id='fake-project-1',
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cell_mapping=cm,
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instance_uuid=uuidsentinel.uid1,
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queued_for_delete=False)
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im1.create()
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im2 = instance_mapping.InstanceMapping(context=self.context,
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project_id='fake-project-2',
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cell_mapping=cm,
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instance_uuid=uuidsentinel.uid2,
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queued_for_delete=None)
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im2.create()
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# testing if it accepts None project_id in the query and
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# catches None queued for delete records.
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ims = (instance_mapping.InstanceMappingList.
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get_not_deleted_by_cell_and_project(self.context,
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cm.uuid,
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None))
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self.assertEqual(2, len(ims))
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