104 lines
4.3 KiB
Python
104 lines
4.3 KiB
Python
# Copyright (c) 2013 Akira Yoshiyama <akirayoshiyama at gmail dot com>
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#
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# This is derived from test_db_servicegroup.py.
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# Copyright 2012 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 iso8601
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import mock
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from nova import servicegroup
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from nova import test
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from oslo_utils import timeutils
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class MemcachedServiceGroupTestCase(test.NoDBTestCase):
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@mock.patch('nova.cache_utils.get_memcached_client')
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def setUp(self, mgc_mock):
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super(MemcachedServiceGroupTestCase, self).setUp()
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self.mc_client = mock.MagicMock()
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mgc_mock.return_value = self.mc_client
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self.flags(servicegroup_driver='mc')
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self.servicegroup_api = servicegroup.API()
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def test_is_up(self):
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service_ref = {
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'host': 'fake-host',
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'topic': 'compute'
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}
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self.mc_client.get.return_value = None
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self.assertFalse(self.servicegroup_api.service_is_up(service_ref))
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self.mc_client.get.assert_called_once_with('compute:fake-host')
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self.mc_client.reset_mock()
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self.mc_client.get.return_value = True
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self.assertTrue(self.servicegroup_api.service_is_up(service_ref))
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self.mc_client.get.assert_called_once_with('compute:fake-host')
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def test_join(self):
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service = mock.MagicMock(report_interval=1)
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self.servicegroup_api.join('fake-host', 'fake-topic', service)
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fn = self.servicegroup_api._driver._report_state
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service.tg.add_timer.assert_called_once_with(1, fn, 5, service)
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def test_report_state(self):
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service_ref = {
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'host': 'fake-host',
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'topic': 'compute'
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}
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service = mock.MagicMock(model_disconnected=False,
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service_ref=service_ref)
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fn = self.servicegroup_api._driver._report_state
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fn(service)
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self.mc_client.set.assert_called_once_with('compute:fake-host',
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mock.ANY)
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def test_get_updated_time(self):
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updated_at_time = timeutils.parse_strtime("2016-04-18T02:56:25.198871")
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service_ref = {
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'host': 'fake-host',
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'topic': 'compute',
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'updated_at': updated_at_time.replace(tzinfo=iso8601.UTC)
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}
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# If no record returned from the mc, return record from DB
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self.mc_client.get.return_value = None
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self.assertEqual(service_ref['updated_at'],
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self.servicegroup_api.get_updated_time(service_ref))
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self.mc_client.get.assert_called_once_with('compute:fake-host')
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# If the record in mc is newer than DB, return record from mc
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self.mc_client.reset_mock()
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retval = timeutils.utcnow()
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self.mc_client.get.return_value = retval
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self.assertEqual(retval.replace(tzinfo=iso8601.UTC),
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self.servicegroup_api.get_updated_time(service_ref))
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self.mc_client.get.assert_called_once_with('compute:fake-host')
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# If the record in DB is newer than mc, return record from DB
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self.mc_client.reset_mock()
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service_ref['updated_at'] = \
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retval.replace(tzinfo=iso8601.UTC)
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self.mc_client.get.return_value = updated_at_time
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self.assertEqual(service_ref['updated_at'],
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self.servicegroup_api.get_updated_time(service_ref))
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self.mc_client.get.assert_called_once_with('compute:fake-host')
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# If no record returned from the DB, return the record from mc
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self.mc_client.reset_mock()
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service_ref['updated_at'] = None
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self.mc_client.get.return_value = updated_at_time
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self.assertEqual(updated_at_time.replace(tzinfo=iso8601.UTC),
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self.servicegroup_api.get_updated_time(service_ref))
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self.mc_client.get.assert_called_once_with('compute:fake-host')
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