278 lines
11 KiB
Python
278 lines
11 KiB
Python
# Copyright 2013 IBM Corp.
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#
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# 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_utils import timeutils
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from oslo_versionedobjects import exception as ovo_exc
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from nova import db
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from nova import exception
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from nova import objects
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from nova.objects import aggregate
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from nova.objects import service
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from nova.tests.unit.objects import test_compute_node
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from nova.tests.unit.objects import test_objects
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NOW = timeutils.utcnow().replace(microsecond=0)
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fake_service = {
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'created_at': NOW,
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'updated_at': None,
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'deleted_at': None,
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'deleted': False,
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'id': 123,
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'host': 'fake-host',
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'binary': 'fake-service',
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'topic': 'fake-service-topic',
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'report_count': 1,
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'forced_down': False,
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'disabled': False,
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'disabled_reason': None,
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'last_seen_up': None,
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}
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OPTIONAL = ['availability_zone', 'compute_node']
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class _TestServiceObject(object):
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def supported_hv_specs_comparator(self, expected, obj_val):
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obj_val = [inst.to_list() for inst in obj_val]
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self.assertJsonEqual(expected, obj_val)
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def pci_device_pools_comparator(self, expected, obj_val):
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obj_val = obj_val.obj_to_primitive()
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self.assertJsonEqual(expected, obj_val)
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def comparators(self):
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return {'stats': self.assertJsonEqual,
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'host_ip': self.assertJsonEqual,
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'supported_hv_specs': self.supported_hv_specs_comparator,
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'pci_device_pools': self.pci_device_pools_comparator}
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def subs(self):
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return {'supported_hv_specs': 'supported_instances',
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'pci_device_pools': 'pci_stats'}
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def _test_query(self, db_method, obj_method, *args, **kwargs):
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self.mox.StubOutWithMock(db, db_method)
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db_exception = kwargs.pop('db_exception', None)
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if db_exception:
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getattr(db, db_method)(self.context, *args, **kwargs).AndRaise(
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db_exception)
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else:
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getattr(db, db_method)(self.context, *args, **kwargs).AndReturn(
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fake_service)
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self.mox.ReplayAll()
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obj = getattr(service.Service, obj_method)(self.context, *args,
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**kwargs)
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if db_exception:
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self.assertIsNone(obj)
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else:
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self.compare_obj(obj, fake_service, allow_missing=OPTIONAL)
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def test_get_by_id(self):
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self._test_query('service_get', 'get_by_id', 123)
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def test_get_by_host_and_topic(self):
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self._test_query('service_get_by_host_and_topic',
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'get_by_host_and_topic', 'fake-host', 'fake-topic')
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def test_get_by_host_and_binary(self):
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self._test_query('service_get_by_host_and_binary',
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'get_by_host_and_binary', 'fake-host', 'fake-binary')
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def test_get_by_host_and_binary_raises(self):
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self._test_query('service_get_by_host_and_binary',
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'get_by_host_and_binary', 'fake-host', 'fake-binary',
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db_exception=exception.HostBinaryNotFound(
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host='fake-host', binary='fake-binary'))
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def test_get_by_compute_host(self):
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self._test_query('service_get_by_compute_host', 'get_by_compute_host',
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'fake-host')
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def test_get_by_args(self):
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self._test_query('service_get_by_host_and_binary', 'get_by_args',
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'fake-host', 'fake-binary')
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def test_create(self):
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self.mox.StubOutWithMock(db, 'service_create')
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db.service_create(self.context, {'host': 'fake-host'}).AndReturn(
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fake_service)
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self.mox.ReplayAll()
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service_obj = service.Service(context=self.context)
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service_obj.host = 'fake-host'
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service_obj.create()
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self.assertEqual(fake_service['id'], service_obj.id)
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def test_recreate_fails(self):
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self.mox.StubOutWithMock(db, 'service_create')
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db.service_create(self.context, {'host': 'fake-host'}).AndReturn(
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fake_service)
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self.mox.ReplayAll()
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service_obj = service.Service(context=self.context)
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service_obj.host = 'fake-host'
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service_obj.create()
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self.assertRaises(exception.ObjectActionError, service_obj.create)
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def test_save(self):
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self.mox.StubOutWithMock(db, 'service_update')
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db.service_update(self.context, 123, {'host': 'fake-host'}).AndReturn(
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fake_service)
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self.mox.ReplayAll()
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service_obj = service.Service(context=self.context)
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service_obj.id = 123
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service_obj.host = 'fake-host'
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service_obj.save()
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@mock.patch.object(db, 'service_create',
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return_value=fake_service)
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def test_set_id_failure(self, db_mock):
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service_obj = service.Service(context=self.context)
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service_obj.create()
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self.assertRaises(ovo_exc.ReadOnlyFieldError, setattr,
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service_obj, 'id', 124)
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def _test_destroy(self):
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self.mox.StubOutWithMock(db, 'service_destroy')
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db.service_destroy(self.context, 123)
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self.mox.ReplayAll()
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service_obj = service.Service(context=self.context)
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service_obj.id = 123
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service_obj.destroy()
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def test_destroy(self):
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# The test harness needs db.service_destroy to work,
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# so avoid leaving it broken here after we're done
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orig_service_destroy = db.service_destroy
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try:
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self._test_destroy()
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finally:
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db.service_destroy = orig_service_destroy
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def test_get_by_topic(self):
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self.mox.StubOutWithMock(db, 'service_get_all_by_topic')
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db.service_get_all_by_topic(self.context, 'fake-topic').AndReturn(
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[fake_service])
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self.mox.ReplayAll()
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services = service.ServiceList.get_by_topic(self.context, 'fake-topic')
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self.assertEqual(1, len(services))
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self.compare_obj(services[0], fake_service, allow_missing=OPTIONAL)
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@mock.patch('nova.db.service_get_all_by_binary')
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def test_get_by_binary(self, mock_get):
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mock_get.return_value = [fake_service]
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services = service.ServiceList.get_by_binary(self.context,
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'fake-binary')
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self.assertEqual(1, len(services))
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mock_get.assert_called_once_with(self.context, 'fake-binary')
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def test_get_by_host(self):
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self.mox.StubOutWithMock(db, 'service_get_all_by_host')
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db.service_get_all_by_host(self.context, 'fake-host').AndReturn(
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[fake_service])
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self.mox.ReplayAll()
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services = service.ServiceList.get_by_host(self.context, 'fake-host')
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self.assertEqual(1, len(services))
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self.compare_obj(services[0], fake_service, allow_missing=OPTIONAL)
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def test_get_all(self):
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self.mox.StubOutWithMock(db, 'service_get_all')
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db.service_get_all(self.context, disabled=False).AndReturn(
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[fake_service])
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self.mox.ReplayAll()
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services = service.ServiceList.get_all(self.context, disabled=False)
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self.assertEqual(1, len(services))
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self.compare_obj(services[0], fake_service, allow_missing=OPTIONAL)
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def test_get_all_with_az(self):
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self.mox.StubOutWithMock(db, 'service_get_all')
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self.mox.StubOutWithMock(aggregate.AggregateList,
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'get_by_metadata_key')
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db.service_get_all(self.context, disabled=None).AndReturn(
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[dict(fake_service, topic='compute')])
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agg = aggregate.Aggregate(context=self.context)
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agg.name = 'foo'
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agg.metadata = {'availability_zone': 'test-az'}
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agg.create()
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agg.hosts = [fake_service['host']]
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aggregate.AggregateList.get_by_metadata_key(self.context,
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'availability_zone', hosts=set(agg.hosts)).AndReturn([agg])
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self.mox.ReplayAll()
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services = service.ServiceList.get_all(self.context, set_zones=True)
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self.assertEqual(1, len(services))
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self.assertEqual('test-az', services[0].availability_zone)
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def test_compute_node(self):
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fake_compute_node = objects.ComputeNode._from_db_object(
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self.context, objects.ComputeNode(),
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test_compute_node.fake_compute_node)
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self.mox.StubOutWithMock(objects.ComputeNodeList, 'get_all_by_host')
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objects.ComputeNodeList.get_all_by_host(
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self.context, 'fake-host').AndReturn(
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[fake_compute_node])
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self.mox.ReplayAll()
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service_obj = service.Service(id=123, host="fake-host",
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binary="nova-compute")
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service_obj._context = self.context
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self.assertEqual(service_obj.compute_node,
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fake_compute_node)
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# Make sure it doesn't re-fetch this
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service_obj.compute_node
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def test_load_when_orphaned(self):
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service_obj = service.Service()
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service_obj.id = 123
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self.assertRaises(exception.OrphanedObjectError,
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getattr, service_obj, 'compute_node')
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@mock.patch.object(objects.ComputeNodeList, 'get_all_by_host')
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def test_obj_make_compatible_for_compute_node(self, get_all_by_host):
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service_obj = objects.Service(context=self.context)
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fake_service_dict = fake_service.copy()
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fake_compute_obj = objects.ComputeNode(host=fake_service['host'])
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get_all_by_host.return_value = [fake_compute_obj]
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service_obj.obj_make_compatible(fake_service_dict, '1.9')
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self.assertEqual(
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fake_compute_obj.obj_to_primitive(target_version='1.10'),
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fake_service_dict['compute_node'])
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@mock.patch.object(objects.ComputeNodeList, 'get_all_by_host')
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def test_obj_make_compatible_with_juno_computes(self, get_all_by_host):
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service_obj = objects.Service(
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context=self.context, **fake_service)
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service_obj.binary = 'nova-compute'
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fake_service_dict = fake_service.copy()
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fake_service_dict['binary'] = 'nova-compute'
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fake_compute_obj = objects.ComputeNode(host=fake_service['host'])
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get_all_by_host.return_value = [fake_compute_obj]
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# Juno versions :
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# Service : 1.4
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# ComputeNode : 1.5
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service_obj.obj_make_compatible(fake_service_dict, '1.4')
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self.assertEqual(
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'1.5',
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fake_service_dict['compute_node']['nova_object.version'])
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class TestServiceObject(test_objects._LocalTest,
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_TestServiceObject):
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pass
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class TestRemoteServiceObject(test_objects._RemoteTest,
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_TestServiceObject):
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pass
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