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# Copyright 2013 IBM Corp.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import mock
from oslo_utils.fixture import uuidsentinel
from oslo_utils import timeutils
from nova import exception
from nova.objects import aggregate
from nova import test
from nova.tests.unit.objects import test_objects
NOW = timeutils.utcnow().replace(microsecond=0)
fake_aggregate = {
'deleted': 0,
'deleted_at': None,
'created_at': NOW,
'updated_at': None,
'id': 123,
'uuid': uuidsentinel.fake_aggregate,
'name': 'fake-aggregate',
'hosts': ['foo', 'bar'],
'metadetails': {'this': 'that'},
}
SUBS = {'metadata': 'metadetails'}
class _TestAggregateObject(object):
@mock.patch('nova.objects.aggregate._aggregate_get_from_db')
def test_get_by_id_from_api(self, mock_get_api):
mock_get_api.return_value = fake_aggregate
agg = aggregate.Aggregate.get_by_id(self.context, 123)
self.compare_obj(agg, fake_aggregate, subs=SUBS)
mock_get_api.assert_called_once_with(self.context, 123)
@mock.patch('nova.objects.aggregate._aggregate_get_from_db_by_uuid')
def test_get_by_uuid_from_api(self, get_by_uuid_api):
get_by_uuid_api.return_value = fake_aggregate
agg = aggregate.Aggregate.get_by_uuid(self.context,
uuidsentinel.fake_aggregate)
self.assertEqual(uuidsentinel.fake_aggregate, agg.uuid)
self.assertEqual(fake_aggregate['id'], agg.id)
@mock.patch('nova.objects.aggregate._aggregate_create_in_db')
def test_create(self, api_create_mock):
api_create_mock.return_value = fake_aggregate
agg = aggregate.Aggregate(context=self.context)
agg.name = 'foo'
agg.metadata = {'one': 'two'}
agg.uuid = uuidsentinel.fake_agg
agg.create()
api_create_mock.assert_called_once_with(
self.context,
{'name': 'foo', 'uuid': uuidsentinel.fake_agg},
metadata={'one': 'two'})
self.compare_obj(agg, fake_aggregate, subs=SUBS)
api_create_mock.assert_called_once_with(self.context,
{'name': 'foo', 'uuid': uuidsentinel.fake_agg},
metadata={'one': 'two'})
@mock.patch('nova.objects.aggregate._aggregate_create_in_db')
def test_recreate_fails(self, api_create_mock):
api_create_mock.return_value = fake_aggregate
agg = aggregate.Aggregate(context=self.context)
agg.name = 'foo'
agg.metadata = {'one': 'two'}
agg.uuid = uuidsentinel.fake_agg
agg.create()
self.assertRaises(exception.ObjectActionError, agg.create)
api_create_mock.assert_called_once_with(self.context,
{'name': 'foo', 'uuid': uuidsentinel.fake_agg},
metadata={'one': 'two'})
@mock.patch('nova.objects.aggregate._aggregate_delete_from_db')
def test_destroy(self, api_delete_mock):
agg = aggregate.Aggregate(context=self.context)
agg.id = 123
agg.destroy()
api_delete_mock.assert_called_with(self.context, 123)
@mock.patch('nova.compute.utils.notify_about_aggregate_action')
@mock.patch('nova.objects.aggregate._aggregate_update_to_db')
def test_save_to_api(self, api_update_mock, mock_notify):
api_update_mock.return_value = fake_aggregate
agg = aggregate.Aggregate(context=self.context)
agg.id = 123
agg.name = 'fake-api-aggregate'
agg.save()
self.compare_obj(agg, fake_aggregate, subs=SUBS)
api_update_mock.assert_called_once_with(self.context,
123,
{'name': 'fake-api-aggregate'})
api_update_mock.assert_called_once_with(self.context,
123, {'name': 'fake-api-aggregate'})
mock_notify.assert_has_calls([
mock.call(context=self.context,
aggregate=test.MatchType(aggregate.Aggregate),
action='update_prop', phase='start'),
mock.call(context=self.context,
aggregate=test.MatchType(aggregate.Aggregate),
action='update_prop', phase='end')])
self.assertEqual(2, mock_notify.call_count)
def test_save_and_create_no_hosts(self):
agg = aggregate.Aggregate(context=self.context)
agg.id = 123
agg.hosts = ['foo', 'bar']
self.assertRaises(exception.ObjectActionError,
agg.create)
self.assertRaises(exception.ObjectActionError,
agg.save)
@mock.patch('nova.objects.aggregate._metadata_delete_from_db')
@mock.patch('nova.objects.aggregate._metadata_add_to_db')
@mock.patch('nova.compute.utils.notify_about_aggregate_action')
@mock.patch('oslo_versionedobjects.base.VersionedObject.'
'obj_from_primitive')
def test_update_metadata_api(self,
mock_obj_from_primitive,
mock_notify,
mock_api_metadata_add,
mock_api_metadata_delete):
agg = aggregate.Aggregate()
agg._context = self.context
agg.id = 123
agg.metadata = {'foo': 'bar'}
agg.obj_reset_changes()
mock_obj_from_primitive.return_value = agg
agg.update_metadata({'todelete': None, 'toadd': 'myval'})
self.assertEqual(2, len(self.notifier.notifications))
msg = self.notifier.notifications[0]
self.assertEqual('aggregate.updatemetadata.start', msg.event_type)
self.assertEqual({'todelete': None, 'toadd': 'myval'},
msg.payload['meta_data'])
msg = self.notifier.notifications[1]
self.assertEqual('aggregate.updatemetadata.end', msg.event_type)
mock_notify.assert_has_calls([
mock.call(context=self.context, aggregate=agg,
action='update_metadata', phase='start'),
mock.call(context=self.context, aggregate=agg,
action='update_metadata', phase='end')])
self.assertEqual({'todelete': None, 'toadd': 'myval'},
msg.payload['meta_data'])
self.assertEqual({'foo': 'bar', 'toadd': 'myval'}, agg.metadata)
mock_api_metadata_delete.assert_called_once_with(self.context, 123,
'todelete')
mock_api_metadata_add.assert_called_once_with(self.context, 123,
{'toadd': 'myval'})
mock_api_metadata_delete.assert_called_once_with(self.context,
123,
'todelete')
mock_api_metadata_add.assert_called_once_with(self.context,
123,
{'toadd': 'myval'})
@mock.patch('nova.objects.aggregate._host_add_to_db')
def test_add_host_api(self, mock_host_add_api):
mock_host_add_api.return_value = {'host': 'bar'}
agg = aggregate.Aggregate()
agg.id = 123
agg.hosts = ['foo']
agg._context = self.context
agg.add_host('bar')
self.assertEqual(agg.hosts, ['foo', 'bar'])
mock_host_add_api.assert_called_once_with(self.context, 123, 'bar')
@mock.patch('nova.objects.aggregate._host_delete_from_db')
def test_delete_host_api(self, mock_host_delete_api):
agg = aggregate.Aggregate()
agg.id = 123
agg.hosts = ['foo', 'bar']
agg._context = self.context
agg.delete_host('foo')
self.assertEqual(agg.hosts, ['bar'])
mock_host_delete_api.assert_called_once_with(self.context, 123, 'foo')
def test_availability_zone(self):
agg = aggregate.Aggregate()
agg.metadata = {'availability_zone': 'foo'}
self.assertEqual('foo', agg.availability_zone)
@mock.patch('nova.objects.aggregate._get_all_from_db')
def test_get_all(self, mock_api_get_all):
mock_api_get_all.return_value = [fake_aggregate]
aggs = aggregate.AggregateList.get_all(self.context)
self.assertEqual(1, len(aggs))
self.compare_obj(aggs[0], fake_aggregate, subs=SUBS)
@mock.patch('nova.objects.aggregate._get_by_host_from_db')
def test_by_host(self, mock_api_get_by_host):
mock_api_get_by_host.return_value = [fake_aggregate]
aggs = aggregate.AggregateList.get_by_host(self.context, 'fake-host')
self.assertEqual(1, len(aggs))
self.compare_obj(aggs[0], fake_aggregate, subs=SUBS)
@mock.patch('nova.objects.aggregate._get_by_metadata_from_db')
def test_get_by_metadata_key(self, mock_api_get_by_metadata_key):
mock_api_get_by_metadata_key.return_value = [fake_aggregate]
aggs = aggregate.AggregateList.get_by_metadata_key(
self.context, 'this')
self.assertEqual(1, len(aggs))
self.compare_obj(aggs[0], fake_aggregate, subs=SUBS)
@mock.patch('nova.objects.aggregate._get_by_metadata_from_db')
def test_get_by_metadata_key_and_hosts_no_match(self, get_by_metadata_key):
get_by_metadata_key.return_value = [fake_aggregate]
aggs = aggregate.AggregateList.get_by_metadata_key(
self.context, 'this', hosts=['baz'])
self.assertEqual(0, len(aggs))
@mock.patch('nova.objects.aggregate._get_by_metadata_from_db')
def test_get_by_metadata_key_and_hosts_match(self, get_by_metadata_key):
get_by_metadata_key.return_value = [fake_aggregate]
aggs = aggregate.AggregateList.get_by_metadata_key(
self.context, 'this', hosts=['foo', 'bar'])
self.assertEqual(1, len(aggs))
self.compare_obj(aggs[0], fake_aggregate, subs=SUBS)
@mock.patch('nova.objects.aggregate.'
'_get_non_matching_by_metadata_keys_from_db')
def test_get_non_matching_by_metadata_keys(
self, get_non_matching_by_metadata_keys):
get_non_matching_by_metadata_keys.return_value = [fake_aggregate]
aggs = aggregate.AggregateList.get_non_matching_by_metadata_keys(
self.context, ['abc'], 'th', value='that')
self.assertEqual('that', aggs[0].metadata['this'])
@mock.patch('nova.objects.aggregate.'
'_get_non_matching_by_metadata_keys_from_db')
def test_get_non_matching_by_metadata_keys_and_hosts_no_match(
self, get_non_matching_by_metadata_keys):
get_non_matching_by_metadata_keys.return_value = []
aggs = aggregate.AggregateList.get_non_matching_by_metadata_keys(
self.context, ['this'], 'th', value='that')
self.assertEqual(0, len(aggs))
class TestAggregateObject(test_objects._LocalTest,
_TestAggregateObject):
pass
class TestRemoteAggregateObject(test_objects._RemoteTest,
_TestAggregateObject):
pass
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