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245 lines
10 KiB
245 lines
10 KiB
# 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_config import cfg
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from oslo_messaging.rpc import dispatcher
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from oslo_utils import timeutils
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from heat.common import exception
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from heat.common import service_utils
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from heat.engine import service
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from heat.engine import stack as parser
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from heat.engine import stack_lock
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from heat.objects import stack as stack_object
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from heat.objects import stack_lock as stack_lock_object
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from heat.tests import common
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from heat.tests.engine import tools
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from heat.tests import utils
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class StackDeleteTest(common.HeatTestCase):
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def setUp(self):
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super(StackDeleteTest, self).setUp()
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self.ctx = utils.dummy_context()
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self.man = service.EngineService('a-host', 'a-topic')
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self.man.create_periodic_tasks()
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@mock.patch.object(parser.Stack, 'load')
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def test_stack_delete(self, mock_load):
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stack_name = 'service_delete_test_stack'
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stack = tools.get_stack(stack_name, self.ctx)
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sid = stack.store()
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mock_load.return_value = stack
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s = stack_object.Stack.get_by_id(self.ctx, sid)
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self.assertIsNone(self.man.delete_stack(self.ctx, stack.identifier()))
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self.man.thread_group_mgr.groups[sid].wait()
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mock_load.assert_called_once_with(self.ctx, stack=s)
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def test_stack_delete_nonexist(self):
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stack_name = 'service_delete_nonexist_test_stack'
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stack = tools.get_stack(stack_name, self.ctx)
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ex = self.assertRaises(dispatcher.ExpectedException,
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self.man.delete_stack,
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self.ctx, stack.identifier())
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self.assertEqual(exception.EntityNotFound, ex.exc_info[0])
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@mock.patch.object(parser.Stack, 'load')
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@mock.patch.object(stack_lock.StackLock, 'try_acquire')
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def test_stack_delete_acquired_lock(self, mock_acquire, mock_load):
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mock_acquire.return_value = self.man.engine_id
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stack_name = 'service_delete_test_stack_acquired_lock'
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stack = tools.get_stack(stack_name, self.ctx)
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sid = stack.store()
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mock_load.return_value = stack
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st = stack_object.Stack.get_by_id(self.ctx, sid)
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self.assertIsNone(self.man.delete_stack(self.ctx, stack.identifier()))
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self.man.thread_group_mgr.groups[sid].wait()
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mock_acquire.assert_called_once_with()
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mock_load.assert_called_once_with(self.ctx, stack=st)
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@mock.patch.object(parser.Stack, 'load')
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@mock.patch.object(stack_lock.StackLock, 'try_acquire')
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def test_stack_delete_acquired_lock_stop_timers(self, mock_acquire,
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mock_load):
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mock_acquire.return_value = self.man.engine_id
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stack_name = 'service_delete_test_stack_stop_timers'
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stack = tools.get_stack(stack_name, self.ctx)
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sid = stack.store()
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mock_load.return_value = stack
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st = stack_object.Stack.get_by_id(self.ctx, sid)
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self.man.thread_group_mgr.add_timer(stack.id, 'test')
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self.assertEqual(1, len(self.man.thread_group_mgr.groups[sid].timers))
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self.assertIsNone(self.man.delete_stack(self.ctx, stack.identifier()))
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self.assertEqual(0, len(self.man.thread_group_mgr.groups[sid].timers))
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self.man.thread_group_mgr.groups[sid].wait()
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mock_acquire.assert_called_once_with()
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mock_load.assert_called_once_with(self.ctx, stack=st)
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@mock.patch.object(parser.Stack, 'load')
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@mock.patch.object(stack_lock.StackLock, 'try_acquire')
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@mock.patch.object(stack_lock.StackLock, 'acquire')
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@mock.patch.object(timeutils.StopWatch, 'expired')
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def test_stack_delete_current_engine_active_lock(self, mock_expired,
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mock_acquire, mock_try,
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mock_load):
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cfg.CONF.set_override('error_wait_time', 0)
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self.man.start()
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stack_name = 'service_delete_test_stack_current_active_lock'
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stack = tools.get_stack(stack_name, self.ctx)
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sid = stack.store()
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# Insert a fake lock into the db
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stack_lock_object.StackLock.create(
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self.ctx, stack.id, self.man.engine_id)
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st = stack_object.Stack.get_by_id(self.ctx, sid)
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mock_load.return_value = stack
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mock_try.return_value = self.man.engine_id
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mock_stop = self.patchobject(self.man.thread_group_mgr, 'stop')
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mock_send = self.patchobject(self.man.thread_group_mgr, 'send')
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mock_expired.side_effect = [False, True]
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self.assertIsNone(self.man.delete_stack(self.ctx, stack.identifier()))
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self.man.thread_group_mgr.groups[sid].wait()
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mock_load.assert_called_with(self.ctx, stack=st)
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mock_send.assert_called_once_with(stack.id, 'cancel')
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mock_stop.assert_called_once_with(stack.id)
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self.assertEqual(2, len(mock_load.mock_calls))
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mock_try.assert_called_with()
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mock_acquire.assert_called_once_with(True)
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@mock.patch.object(parser.Stack, 'load')
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@mock.patch.object(stack_lock.StackLock, 'try_acquire')
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@mock.patch.object(service_utils, 'engine_alive')
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@mock.patch.object(timeutils.StopWatch, 'expired')
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def test_stack_delete_other_engine_active_lock_failed(self, mock_expired,
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mock_alive, mock_try,
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mock_load):
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cfg.CONF.set_override('error_wait_time', 0)
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OTHER_ENGINE = "other-engine-fake-uuid"
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self.man.start()
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stack_name = 'service_delete_test_stack_other_engine_lock_fail'
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stack = tools.get_stack(stack_name, self.ctx)
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sid = stack.store()
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# Insert a fake lock into the db
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stack_lock_object.StackLock.create(self.ctx, stack.id, OTHER_ENGINE)
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st = stack_object.Stack.get_by_id(self.ctx, sid)
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mock_load.return_value = stack
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mock_try.return_value = OTHER_ENGINE
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mock_alive.return_value = True
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mock_expired.side_effect = [False, True]
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mock_call = self.patchobject(self.man, '_remote_call',
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return_value=False)
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ex = self.assertRaises(dispatcher.ExpectedException,
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self.man.delete_stack,
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self.ctx, stack.identifier())
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self.assertEqual(exception.EventSendFailed, ex.exc_info[0])
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mock_load.assert_called_once_with(self.ctx, stack=st)
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mock_try.assert_called_once_with()
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mock_alive.assert_called_once_with(self.ctx, OTHER_ENGINE)
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mock_call.assert_called_once_with(self.ctx, OTHER_ENGINE, mock.ANY,
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"send",
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message='cancel',
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stack_identity=mock.ANY)
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@mock.patch.object(parser.Stack, 'load')
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@mock.patch.object(stack_lock.StackLock, 'try_acquire')
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@mock.patch.object(service_utils, 'engine_alive')
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@mock.patch.object(stack_lock.StackLock, 'acquire')
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@mock.patch.object(timeutils.StopWatch, 'expired')
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def test_stack_delete_other_engine_active_lock_succeeded(
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self, mock_expired, mock_acquire, mock_alive, mock_try, mock_load):
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cfg.CONF.set_override('error_wait_time', 0)
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OTHER_ENGINE = "other-engine-fake-uuid"
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self.man.start()
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stack_name = 'service_delete_test_stack_other_engine_lock'
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stack = tools.get_stack(stack_name, self.ctx)
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sid = stack.store()
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# Insert a fake lock into the db
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stack_lock_object.StackLock.create(self.ctx, stack.id, OTHER_ENGINE)
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st = stack_object.Stack.get_by_id(self.ctx, sid)
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mock_load.return_value = stack
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mock_try.return_value = OTHER_ENGINE
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mock_alive.return_value = True
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mock_expired.side_effect = [False, True]
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mock_call = self.patchobject(self.man, '_remote_call',
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return_value=None)
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self.assertIsNone(self.man.delete_stack(self.ctx, stack.identifier()))
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self.man.thread_group_mgr.groups[sid].wait()
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self.assertEqual(2, len(mock_load.mock_calls))
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mock_load.assert_called_with(self.ctx, stack=st)
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mock_try.assert_called_with()
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mock_alive.assert_called_with(self.ctx, OTHER_ENGINE)
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mock_call.assert_has_calls([
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mock.call(self.ctx, OTHER_ENGINE, mock.ANY, "send",
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message='cancel',
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stack_identity=mock.ANY),
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mock.call(self.ctx, OTHER_ENGINE, mock.ANY, "stop_stack",
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stack_identity=mock.ANY)
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])
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mock_acquire.assert_called_once_with(True)
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@mock.patch.object(parser.Stack, 'load')
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@mock.patch.object(stack_lock.StackLock, 'try_acquire')
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@mock.patch.object(service_utils, 'engine_alive')
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@mock.patch.object(stack_lock.StackLock, 'acquire')
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@mock.patch.object(timeutils.StopWatch, 'expired')
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def test_stack_delete_other_dead_engine_active_lock(
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self, mock_expired, mock_acquire, mock_alive, mock_try, mock_load):
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cfg.CONF.set_override('error_wait_time', 0)
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OTHER_ENGINE = "other-engine-fake-uuid"
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stack_name = 'service_delete_test_stack_other_dead_engine'
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stack = tools.get_stack(stack_name, self.ctx)
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sid = stack.store()
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# Insert a fake lock into the db
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stack_lock_object.StackLock.create(
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self.ctx, stack.id, "other-engine-fake-uuid")
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st = stack_object.Stack.get_by_id(self.ctx, sid)
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mock_load.return_value = stack
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mock_try.return_value = OTHER_ENGINE
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mock_alive.return_value = False
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mock_expired.side_effect = [False, True]
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self.assertIsNone(self.man.delete_stack(self.ctx, stack.identifier()))
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self.man.thread_group_mgr.groups[sid].wait()
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mock_load.assert_called_with(self.ctx, stack=st)
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mock_try.assert_called_with()
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mock_acquire.assert_called_once_with(True)
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mock_alive.assert_called_with(self.ctx, OTHER_ENGINE)
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