OpenStack Orchestration (Heat)
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# Copyright (c) 2016 Hewlett-Packard Development Company, L.P.
#
# 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 eventlet
import mock
import uuid
from oslo_config import cfg
from heat.common import exception
from heat.engine import check_resource
from heat.engine import dependencies
from heat.engine import resource
from heat.engine import scheduler
from heat.engine import stack
from heat.engine import sync_point
from heat.engine import worker
from heat.rpc import api as rpc_api
from heat.rpc import worker_client
from heat.tests import common
from heat.tests.engine import tools
from heat.tests import utils
@mock.patch.object(check_resource, 'check_stack_complete')
@mock.patch.object(check_resource, 'propagate_check_resource')
@mock.patch.object(check_resource, 'check_resource_cleanup')
@mock.patch.object(check_resource, 'check_resource_update')
class CheckWorkflowUpdateTest(common.HeatTestCase):
@mock.patch.object(worker_client.WorkerClient, 'check_resource',
lambda *_: None)
def setUp(self):
super(CheckWorkflowUpdateTest, self).setUp()
thread_group_mgr = mock.Mock()
cfg.CONF.set_default('convergence_engine', True)
self.worker = worker.WorkerService('host-1',
'topic-1',
'engine_id',
thread_group_mgr)
self.cr = check_resource.CheckResource(self.worker.engine_id,
self.worker._rpc_client,
self.worker.thread_group_mgr,
mock.Mock(), {})
self.worker._rpc_client = worker_client.WorkerClient()
self.ctx = utils.dummy_context()
self.stack = tools.get_stack(
'check_workflow_create_stack', self.ctx,
template=tools.string_template_five, convergence=True)
self.stack.converge_stack(self.stack.t)
self.resource = self.stack['A']
self.is_update = True
self.graph_key = (self.resource.id, self.is_update)
self.orig_load_method = stack.Stack.load
stack.Stack.load = mock.Mock(return_value=self.stack)
def tearDown(self):
super(CheckWorkflowUpdateTest, self).tearDown()
stack.Stack.load = self.orig_load_method
def test_resource_not_available(
self, mock_cru, mock_crc, mock_pcr, mock_csc):
self.worker.check_resource(
self.ctx, 'non-existant-id', self.stack.current_traversal, {},
True, None)
for mocked in [mock_cru, mock_crc, mock_pcr, mock_csc]:
self.assertFalse(mocked.called)
@mock.patch.object(worker.WorkerService, '_retrigger_replaced')
def test_stale_traversal(
self, mock_rnt, mock_cru, mock_crc, mock_pcr, mock_csc):
self.worker.check_resource(self.ctx, self.resource.id,
'stale-traversal', {}, True, None)
self.assertTrue(mock_rnt.called)
def test_is_update_traversal(
self, mock_cru, mock_crc, mock_pcr, mock_csc):
self.worker.check_resource(
self.ctx, self.resource.id, self.stack.current_traversal, {},
self.is_update, None)
mock_cru.assert_called_once_with(self.resource,
self.resource.stack.t.id,
set(), self.worker.engine_id,
mock.ANY, mock.ANY)
self.assertFalse(mock_crc.called)
expected_calls = []
for req, fwd in self.stack.convergence_dependencies.leaves():
expected_calls.append(
(mock.call.worker.propagate_check_resource.
assert_called_once_with(
self.ctx, mock.ANY, mock.ANY,
self.stack.current_traversal, mock.ANY,
self.graph_key, {}, self.is_update)))
mock_csc.assert_called_once_with(
self.ctx, mock.ANY, self.stack.current_traversal,
self.resource.id,
mock.ANY, True)
@mock.patch.object(resource.Resource, 'load')
@mock.patch.object(resource.Resource, 'make_replacement')
@mock.patch.object(stack.Stack, 'time_remaining')
def test_is_update_traversal_raise_update_replace(
self, tr, mock_mr, mock_load, mock_cru, mock_crc, mock_pcr,
mock_csc):
mock_load.return_value = self.resource, self.stack, self.stack
mock_cru.side_effect = resource.UpdateReplace
tr.return_value = 317
self.worker.check_resource(
self.ctx, self.resource.id, self.stack.current_traversal, {},
self.is_update, None)
mock_cru.assert_called_once_with(self.resource,
self.resource.stack.t.id,
set(), self.worker.engine_id,
mock.ANY, mock.ANY)
self.assertTrue(mock_mr.called)
self.assertFalse(mock_crc.called)
self.assertFalse(mock_pcr.called)
self.assertFalse(mock_csc.called)
@mock.patch.object(check_resource.CheckResource,
'_stale_resource_needs_retry')
@mock.patch.object(stack.Stack, 'time_remaining')
def test_is_update_traversal_raise_update_inprogress(
self, tr, mock_tsl, mock_cru, mock_crc, mock_pcr,
mock_csc):
mock_cru.side_effect = exception.UpdateInProgress
self.worker.engine_id = 'some-thing-else'
mock_tsl.return_value = True
tr.return_value = 317
self.worker.check_resource(
self.ctx, self.resource.id, self.stack.current_traversal, {},
self.is_update, None)
mock_cru.assert_called_once_with(self.resource,
self.resource.stack.t.id,
set(), self.worker.engine_id,
mock.ANY, mock.ANY)
self.assertFalse(mock_crc.called)
self.assertFalse(mock_pcr.called)
self.assertFalse(mock_csc.called)
@mock.patch.object(resource.Resource, 'state_set')
def test_stale_resource_retry(
self, mock_ss, mock_cru, mock_crc, mock_pcr, mock_csc):
current_template_id = self.resource.current_template_id
res = self.cr._stale_resource_needs_retry(self.ctx,
self.resource,
current_template_id)
self.assertTrue(res)
mock_ss.assert_not_called()
@mock.patch.object(resource.Resource, 'state_set')
def test_try_steal_lock_alive(
self, mock_ss, mock_cru, mock_crc, mock_pcr, mock_csc):
res = self.cr._stale_resource_needs_retry(self.ctx,
self.resource,
str(uuid.uuid4()))
self.assertFalse(res)
mock_ss.assert_not_called()
@mock.patch.object(check_resource.listener_client, 'EngineListenerClient')
@mock.patch.object(check_resource.resource_objects.Resource, 'get_obj')
@mock.patch.object(resource.Resource, 'state_set')
def test_try_steal_lock_dead(
self, mock_ss, mock_get, mock_elc, mock_cru, mock_crc, mock_pcr,
mock_csc):
fake_res = mock.Mock()
fake_res.engine_id = 'some-thing-else'
mock_get.return_value = fake_res
mock_elc.return_value.is_alive.return_value = False
current_template_id = self.resource.current_template_id
res = self.cr._stale_resource_needs_retry(self.ctx,
self.resource,
current_template_id)
self.assertTrue(res)
mock_ss.assert_called_once_with(self.resource.action,
resource.Resource.FAILED,
mock.ANY)
@mock.patch.object(check_resource.listener_client, 'EngineListenerClient')
@mock.patch.object(check_resource.resource_objects.Resource, 'get_obj')
@mock.patch.object(resource.Resource, 'state_set')
def test_try_steal_lock_not_dead(
self, mock_ss, mock_get, mock_elc, mock_cru, mock_crc, mock_pcr,
mock_csc):
fake_res = mock.Mock()
fake_res.engine_id = self.worker.engine_id
mock_get.return_value = fake_res
mock_elc.return_value.is_alive.return_value = True
current_template_id = self.resource.current_template_id
res = self.cr._stale_resource_needs_retry(self.ctx,
self.resource,
current_template_id)
self.assertFalse(res)
mock_ss.assert_not_called()
@mock.patch.object(check_resource.CheckResource, '_trigger_rollback')
def test_resource_update_failure_sets_stack_state_as_failed(
self, mock_tr, mock_cru, mock_crc, mock_pcr, mock_csc):
self.stack.state_set(self.stack.UPDATE, self.stack.IN_PROGRESS, '')
self.resource.state_set(self.resource.UPDATE,
self.resource.IN_PROGRESS)
dummy_ex = exception.ResourceNotAvailable(
resource_name=self.resource.name)
mock_cru.side_effect = exception.ResourceFailure(
dummy_ex, self.resource, action=self.resource.UPDATE)
self.worker.check_resource(self.ctx, self.resource.id,
self.stack.current_traversal, {},
self.is_update, None)
s = self.stack.load(self.ctx, stack_id=self.stack.id)
self.assertEqual((s.UPDATE, s.FAILED), (s.action, s.status))
self.assertEqual('Resource UPDATE failed: '
'ResourceNotAvailable: resources.A: The Resource (A)'
' is not available.', s.status_reason)
@mock.patch.object(check_resource.CheckResource, '_trigger_rollback')
def test_resource_cleanup_failure_sets_stack_state_as_failed(
self, mock_tr, mock_cru, mock_crc, mock_pcr, mock_csc):
self.is_update = False # invokes check_resource_cleanup
self.stack.state_set(self.stack.UPDATE, self.stack.IN_PROGRESS, '')
self.resource.state_set(self.resource.UPDATE,
self.resource.IN_PROGRESS)
dummy_ex = exception.ResourceNotAvailable(
resource_name=self.resource.name)
mock_crc.side_effect = exception.ResourceFailure(
dummy_ex, self.resource, action=self.resource.UPDATE)
self.worker.check_resource(self.ctx, self.resource.id,
self.stack.current_traversal, {},
self.is_update, None)
s = self.stack.load(self.ctx, stack_id=self.stack.id)
self.assertEqual((s.UPDATE, s.FAILED), (s.action, s.status))
self.assertEqual('Resource UPDATE failed: '
'ResourceNotAvailable: resources.A: The Resource (A)'
' is not available.', s.status_reason)
@mock.patch.object(check_resource.CheckResource, '_trigger_rollback')
def test_resource_update_failure_triggers_rollback_if_enabled(
self, mock_tr, mock_cru, mock_crc, mock_pcr, mock_csc):
self.stack.disable_rollback = False
self.stack.store()
dummy_ex = exception.ResourceNotAvailable(
resource_name=self.resource.name)
mock_cru.side_effect = exception.ResourceFailure(
dummy_ex, self.resource, action=self.resource.UPDATE)
self.worker.check_resource(self.ctx, self.resource.id,
self.stack.current_traversal, {},
self.is_update, None)
self.assertTrue(mock_tr.called)
# make sure the rollback is called on given stack
call_args, call_kwargs = mock_tr.call_args
called_stack = call_args[0]
self.assertEqual(self.stack.id, called_stack.id)
@mock.patch.object(check_resource.CheckResource, '_trigger_rollback')
def test_resource_cleanup_failure_triggers_rollback_if_enabled(
self, mock_tr, mock_cru, mock_crc, mock_pcr, mock_csc):
self.is_update = False # invokes check_resource_cleanup
self.stack.disable_rollback = False
self.stack.store()
dummy_ex = exception.ResourceNotAvailable(
resource_name=self.resource.name)
mock_crc.side_effect = exception.ResourceFailure(
dummy_ex, self.resource, action=self.resource.UPDATE)
self.worker.check_resource(self.ctx, self.resource.id,
self.stack.current_traversal, {},
self.is_update, None)
self.assertTrue(mock_tr.called)
# make sure the rollback is called on given stack
call_args, call_kwargs = mock_tr.call_args
called_stack = call_args[0]
self.assertEqual(self.stack.id, called_stack.id)
@mock.patch.object(check_resource.CheckResource, '_trigger_rollback')
def test_rollback_is_not_triggered_on_rollback_disabled_stack(
self, mock_tr, mock_cru, mock_crc, mock_pcr, mock_csc):
self.stack.disable_rollback = True
self.stack.store()
dummy_ex = exception.ResourceNotAvailable(
resource_name=self.resource.name)
mock_cru.side_effect = exception.ResourceFailure(
dummy_ex, self.resource, action=self.stack.CREATE)
self.worker.check_resource(self.ctx, self.resource.id,
self.stack.current_traversal, {},
self.is_update, None)
self.assertFalse(mock_tr.called)
@mock.patch.object(check_resource.CheckResource, '_trigger_rollback')
def test_rollback_not_re_triggered_for_a_rolling_back_stack(
self, mock_tr, mock_cru, mock_crc, mock_pcr, mock_csc):
self.stack.disable_rollback = False
self.stack.action = self.stack.ROLLBACK
self.stack.status = self.stack.IN_PROGRESS
self.stack.store()
dummy_ex = exception.ResourceNotAvailable(
resource_name=self.resource.name)
mock_cru.side_effect = exception.ResourceFailure(
dummy_ex, self.resource, action=self.stack.CREATE)
self.worker.check_resource(self.ctx, self.resource.id,
self.stack.current_traversal, {},
self.is_update, None)
self.assertFalse(mock_tr.called)
def test_resource_update_failure_purges_db_for_stack_failure(
self, mock_cru, mock_crc, mock_pcr, mock_csc):
self.stack.disable_rollback = True
self.stack.store()
self.stack.purge_db = mock.Mock()
dummy_ex = exception.ResourceNotAvailable(
resource_name=self.resource.name)
mock_cru.side_effect = exception.ResourceFailure(
dummy_ex, self.resource, action=self.resource.UPDATE)
self.worker.check_resource(self.ctx, self.resource.id,
self.stack.current_traversal, {},
self.is_update, None)
self.assertTrue(self.stack.purge_db.called)
def test_resource_cleanup_failure_purges_db_for_stack_failure(
self, mock_cru, mock_crc, mock_pcr, mock_csc):
self.is_update = False
self.stack.disable_rollback = True
self.stack.store()
self.stack.purge_db = mock.Mock()
dummy_ex = exception.ResourceNotAvailable(
resource_name=self.resource.name)
mock_crc.side_effect = exception.ResourceFailure(
dummy_ex, self.resource, action=self.resource.UPDATE)
self.worker.check_resource(self.ctx, self.resource.id,
self.stack.current_traversal, {},
self.is_update, None)
self.assertTrue(self.stack.purge_db.called)
@mock.patch.object(check_resource.CheckResource,
'retrigger_check_resource')
@mock.patch.object(stack.Stack, 'load')
def test_initiate_propagate_rsrc_retriggers_check_rsrc_on_new_stack_update(
self, mock_stack_load, mock_rcr, mock_cru, mock_crc, mock_pcr,
mock_csc):
key = sync_point.make_key(self.resource.id,
self.stack.current_traversal,
self.is_update)
mock_pcr.side_effect = exception.EntityNotFound(entity='Sync Point',
name=key)
updated_stack = stack.Stack(self.ctx, self.stack.name, self.stack.t,
self.stack.id,
current_traversal='some_newy_trvl_uuid')
mock_stack_load.return_value = updated_stack
self.cr._initiate_propagate_resource(self.ctx, self.resource.id,
self.stack.current_traversal,
self.is_update, self.resource,
self.stack)
mock_rcr.assert_called_once_with(self.ctx, self.is_update,
self.resource.id, updated_stack)
def test_check_stack_complete_is_invoked_for_replaced_resource(
self, mock_cru, mock_crc, mock_pcr, mock_csc):
resC = self.stack['C']
# lets say C is update-replaced
is_update = True
trav_id = self.stack.current_traversal
replacementC_id = resC.make_replacement(self.stack.t.id)
replacementC, stack, _ = resource.Resource.load(self.ctx,
replacementC_id,
trav_id,
is_update, {})
self.cr._initiate_propagate_resource(self.ctx, replacementC_id,
trav_id,
is_update, replacementC,
self.stack)
# check_stack_complete should be called with resC.id not
# replacementC.id
mock_csc.assert_called_once_with(self.ctx, self.stack,
trav_id,
resC.id, mock.ANY,
is_update)
@mock.patch.object(sync_point, 'sync')
def test_retrigger_check_resource(self, mock_sync, mock_cru, mock_crc,
mock_pcr, mock_csc):
resC = self.stack['C']
# A, B are predecessors to C when is_update is True
expected_predecessors = {(self.stack['A'].id, True),
(self.stack['B'].id, True)}
self.cr.retrigger_check_resource(self.ctx, self.is_update,
resC.id, self.stack)
mock_pcr.assert_called_once_with(self.ctx, mock.ANY, resC.id,
self.stack.current_traversal,
mock.ANY, (resC.id, True), None,
True, None)
call_args, call_kwargs = mock_pcr.call_args
actual_predecessors = call_args[4]
self.assertItemsEqual(expected_predecessors, actual_predecessors)
def test_update_retrigger_check_resource_new_traversal_deletes_rsrc(
self, mock_cru, mock_crc, mock_pcr, mock_csc):
# mock dependencies to indicate a rsrc with id 2 is not present
# in latest traversal
self.stack._convg_deps = dependencies.Dependencies([
[(1, False), (1, True)], [(2, False), None]])
# simulate rsrc 2 completing its update for old traversal
# and calling rcr
self.cr.retrigger_check_resource(self.ctx, True, 2, self.stack)
# Ensure that pcr was called with proper delete traversal
mock_pcr.assert_called_once_with(self.ctx, mock.ANY, 2,
self.stack.current_traversal,
mock.ANY, (2, False), None,
False, None)
def test_delete_retrigger_check_resource_new_traversal_updates_rsrc(
self, mock_cru, mock_crc, mock_pcr, mock_csc):
# mock dependencies to indicate a rsrc with id 2 has an update
# in latest traversal
self.stack._convg_deps = dependencies.Dependencies([
[(1, False), (1, True)], [(2, False), (2, True)]])
# simulate rsrc 2 completing its delete for old traversal
# and calling rcr
self.cr.retrigger_check_resource(self.ctx, False, 2, self.stack)
# Ensure that pcr was called with proper delete traversal
mock_pcr.assert_called_once_with(self.ctx, mock.ANY, 2,
self.stack.current_traversal,
mock.ANY, (2, True), None,
True, None)
@mock.patch.object(stack.Stack, 'purge_db')
def test_handle_failure(self, mock_purgedb, mock_cru, mock_crc, mock_pcr,
mock_csc):
self.cr._handle_failure(self.ctx, self.stack, 'dummy-reason')
mock_purgedb.assert_called_once_with()
self.assertEqual('dummy-reason', self.stack.status_reason)
@mock.patch.object(check_resource.CheckResource, '_trigger_rollback')
def test_handle_failure_rollback(self, mock_tr, mock_cru, mock_crc,
mock_pcr, mock_csc):
self.stack.disable_rollback = False
self.stack.state_set(self.stack.UPDATE, self.stack.IN_PROGRESS, '')
self.cr._handle_failure(self.ctx, self.stack, 'dummy-reason')
mock_tr.assert_called_once_with(self.stack)
@mock.patch.object(stack.Stack, 'purge_db')
@mock.patch.object(stack.Stack, 'state_set')
@mock.patch.object(check_resource.CheckResource,
'retrigger_check_resource')
@mock.patch.object(check_resource.CheckResource, '_trigger_rollback')
def test_handle_rsrc_failure_when_update_fails(
self, mock_tr, mock_rcr, mock_ss, mock_pdb, mock_cru, mock_crc,
mock_pcr, mock_csc):
# Emulate failure
mock_ss.return_value = False
self.cr._handle_resource_failure(self.ctx, self.is_update,
self.resource.id, self.stack,
'dummy-reason')
self.assertTrue(mock_ss.called)
self.assertFalse(mock_rcr.called)
self.assertFalse(mock_pdb.called)
self.assertFalse(mock_tr.called)
@mock.patch.object(stack.Stack, 'purge_db')
@mock.patch.object(stack.Stack, 'state_set')
@mock.patch.object(check_resource.CheckResource,
'retrigger_check_resource')
@mock.patch.object(check_resource.CheckResource, '_trigger_rollback')
def test_handle_rsrc_failure_when_update_fails_different_traversal(
self, mock_tr, mock_rcr, mock_ss, mock_pdb, mock_cru, mock_crc,
mock_pcr, mock_csc):
# Emulate failure
mock_ss.return_value = False
# Emulate new traversal
new_stack = tools.get_stack('check_workflow_create_stack', self.ctx,
template=tools.string_template_five,
convergence=True)
new_stack.current_traversal = 'new_traversal'
stack.Stack.load = mock.Mock(return_value=new_stack)
self.cr._handle_resource_failure(self.ctx, self.is_update,
self.resource.id,
self.stack, 'dummy-reason')
# Ensure retrigger called
self.assertTrue(mock_rcr.called)
self.assertTrue(mock_ss.called)
self.assertFalse(mock_pdb.called)
self.assertFalse(mock_tr.called)
@mock.patch.object(check_resource.CheckResource, '_handle_failure')
def test_handle_stack_timeout(self, mock_hf, mock_cru, mock_crc, mock_pcr,
mock_csc):
self.cr._handle_stack_timeout(self.ctx, self.stack)
mock_hf.assert_called_once_with(self.ctx, self.stack, u'Timed out')
@mock.patch.object(check_resource.CheckResource,
'_handle_failure')
def test_do_check_resource_marks_stack_as_failed_if_stack_timesout(
self, mock_hf, mock_cru, mock_crc, mock_pcr, mock_csc):
mock_cru.side_effect = scheduler.Timeout(None, 60)
self.is_update = True
self.cr._do_check_resource(self.ctx, self.stack.current_traversal,
self.stack.t, {}, self.is_update,
self.resource, self.stack, {})
mock_hf.assert_called_once_with(self.ctx, self.stack, u'Timed out')
@mock.patch.object(check_resource.CheckResource,
'_handle_stack_timeout')
def test_do_check_resource_ignores_timeout_for_new_update(
self, mock_hst, mock_cru, mock_crc, mock_pcr, mock_csc):
# Ensure current_traversal is check before marking the stack as
# failed due to time-out.
mock_cru.side_effect = scheduler.Timeout(None, 60)
self.is_update = True
old_traversal = self.stack.current_traversal
self.stack.current_traversal = 'new_traversal'
self.cr._do_check_resource(self.ctx, old_traversal,
self.stack.t, {}, self.is_update,
self.resource, self.stack, {})
self.assertFalse(mock_hst.called)
@mock.patch.object(stack.Stack, 'has_timed_out')
@mock.patch.object(check_resource.CheckResource,
'_handle_stack_timeout')
def test_check_resource_handles_timeout(self, mock_hst, mock_to, mock_cru,
mock_crc, mock_pcr, mock_csc):
mock_to.return_value = True
self.worker.check_resource(self.ctx, self.resource.id,
self.stack.current_traversal,
{}, self.is_update, {})
self.assertTrue(mock_hst.called)
def test_check_resource_does_not_propagate_on_cancel(
self, mock_cru, mock_crc, mock_pcr, mock_csc):
# ensure when check_resource is cancelled, the next set of
# resources are not propagated.
mock_cru.side_effect = check_resource.CancelOperation
self.worker.check_resource(self.ctx, self.resource.id,
self.stack.current_traversal,
{}, self.is_update, {})
self.assertFalse(mock_pcr.called)
self.assertFalse(mock_csc.called)
@mock.patch.object(resource.Resource, 'load')
def test_requires(self, mock_load, mock_cru, mock_crc, mock_pcr, mock_csc):
mock_load.return_value = self.resource, self.stack, self.stack
res_data = {(1, True): {u'id': 5, u'name': 'A', 'attrs': {}},
(2, True): {u'id': 3, u'name': 'B', 'attrs': {}}}
self.worker.check_resource(self.ctx, self.resource.id,
self.stack.current_traversal,
sync_point.serialize_input_data(res_data),
self.is_update, {})
mock_cru.assert_called_once_with(
self.resource, self.resource.stack.t.id,
{5, 3}, self.worker.engine_id,
self.stack, mock.ANY)
@mock.patch.object(check_resource, 'check_stack_complete')
@mock.patch.object(check_resource, 'propagate_check_resource')
@mock.patch.object(check_resource, 'check_resource_cleanup')
@mock.patch.object(check_resource, 'check_resource_update')
class CheckWorkflowCleanupTest(common.HeatTestCase):
@mock.patch.object(worker_client.WorkerClient, 'check_resource',
lambda *_: None)
def setUp(self):
super(CheckWorkflowCleanupTest, self).setUp()
thread_group_mgr = mock.Mock()
self.worker = worker.WorkerService('host-1',
'topic-1',
'engine_id',
thread_group_mgr)
self.worker._rpc_client = worker_client.WorkerClient()
self.ctx = utils.dummy_context()
tstack = tools.get_stack(
'check_workflow_create_stack', self.ctx,
template=tools.string_template_five, convergence=True)
tstack.converge_stack(tstack.t, action=tstack.CREATE)
self.stack = stack.Stack.load(self.ctx, stack_id=tstack.id)
self.stack.thread_group_mgr = tools.DummyThreadGroupManager()
self.stack.converge_stack(self.stack.t, action=self.stack.DELETE)
self.resource = self.stack['A']
self.is_update = False
self.graph_key = (self.resource.id, self.is_update)
@mock.patch.object(resource.Resource, 'load')
@mock.patch.object(stack.Stack, 'time_remaining')
def test_is_cleanup_traversal(
self, tr, mock_load, mock_cru, mock_crc, mock_pcr, mock_csc):
tr.return_value = 317
mock_load.return_value = self.resource, self.stack, self.stack
self.worker.check_resource(
self.ctx, self.resource.id, self.stack.current_traversal, {},
self.is_update, None)
self.assertFalse(mock_cru.called)
mock_crc.assert_called_once_with(
self.resource, self.resource.stack.t.id,
self.worker.engine_id,
tr(), mock.ANY)
@mock.patch.object(stack.Stack, 'time_remaining')
def test_is_cleanup_traversal_raise_update_inprogress(
self, tr, mock_cru, mock_crc, mock_pcr, mock_csc):
mock_crc.side_effect = exception.UpdateInProgress
tr.return_value = 317
self.worker.check_resource(
self.ctx, self.resource.id, self.stack.current_traversal, {},
self.is_update, None)
mock_crc.assert_called_once_with(self.resource,
self.resource.stack.t.id,
self.worker.engine_id,
tr(), mock.ANY)
self.assertFalse(mock_cru.called)
self.assertFalse(mock_pcr.called)
self.assertFalse(mock_csc.called)
def test_check_resource_does_not_propagate_on_cancelling_cleanup(
self, mock_cru, mock_crc, mock_pcr, mock_csc):
# ensure when check_resource is cancelled, the next set of
# resources are not propagated.
mock_crc.side_effect = check_resource.CancelOperation
self.worker.check_resource(self.ctx, self.resource.id,
self.stack.current_traversal,
{}, self.is_update, {})
self.assertFalse(mock_pcr.called)
self.assertFalse(mock_csc.called)
class MiscMethodsTest(common.HeatTestCase):
def setUp(self):
super(MiscMethodsTest, self).setUp()
cfg.CONF.set_default('convergence_engine', True)
self.ctx = utils.dummy_context()
self.stack = tools.get_stack(
'check_workflow_create_stack', self.ctx,
template=tools.attr_cache_template, convergence=True)
self.stack.converge_stack(self.stack.t)
self.resource = self.stack['A']
def test_node_data_ok(self):
self.resource.action = self.resource.CREATE
expected_input_data = {'attrs': {(u'flat_dict', u'key2'): 'val2',
(u'flat_dict', u'key3'): 'val3',
(u'nested_dict', u'dict', u'a'): 1,
(u'nested_dict', u'dict', u'b'): 2},
'id': mock.ANY,
'reference_id': 'A',
'name': 'A',
'uuid': mock.ANY,
'action': mock.ANY,
'status': mock.ANY}
actual_input_data = self.resource.node_data()
self.assertEqual(expected_input_data, actual_input_data.as_dict())
def test_node_data_exception(self):
self.resource.action = self.resource.CREATE
expected_input_data = {'attrs': {},
'id': mock.ANY,
'reference_id': 'A',
'name': 'A',
'uuid': mock.ANY,
'action': mock.ANY,
'status': mock.ANY}
self.resource.get_attribute = mock.Mock(
side_effect=exception.InvalidTemplateAttribute(resource='A',
key='value'))
actual_input_data = self.resource.node_data()
self.assertEqual(expected_input_data, actual_input_data.as_dict())
@mock.patch.object(sync_point, 'sync')
def test_check_stack_complete_root(self, mock_sync):
check_resource.check_stack_complete(
self.ctx, self.stack, self.stack.current_traversal,
self.stack['E'].id, self.stack.convergence_dependencies,
True)
mock_sync.assert_called_once_with(
self.ctx, self.stack.id, self.stack.current_traversal, True,
mock.ANY, mock.ANY, {(self.stack['E'].id, True): None})
@mock.patch.object(sync_point, 'sync')
def test_check_stack_complete_child(self, mock_sync):
check_resource.check_stack_complete(
self.ctx, self.stack, self.stack.current_traversal,
self.resource.id, self.stack.convergence_dependencies,
True)
self.assertFalse(mock_sync.called)
@mock.patch.object(dependencies.Dependencies, 'roots')
@mock.patch.object(stack.Stack, '_persist_state')
def test_check_stack_complete_persist_called(self, mock_persist_state,
mock_dep_roots):
mock_dep_roots.return_value = [(1, True)]
check_resource.check_stack_complete(
self.ctx, self.stack, self.stack.current_traversal,
1, self.stack.convergence_dependencies,
True)
self.assertTrue(mock_persist_state.called)
@mock.patch.object(sync_point, 'sync')
def test_propagate_check_resource(self, mock_sync):
check_resource.propagate_check_resource(
self.ctx, mock.ANY, mock.ANY,
self.stack.current_traversal, mock.ANY,
('A', True), {}, True, None)
self.assertTrue(mock_sync.called)
@mock.patch.object(resource.Resource, 'create_convergence')
@mock.patch.object(resource.Resource, 'update_convergence')
def test_check_resource_update_init_action(self, mock_update, mock_create):
self.resource.action = 'INIT'
check_resource.check_resource_update(
self.resource, self.resource.stack.t.id, set(), 'engine-id',
self.stack, None)
self.assertTrue(mock_create.called)
self.assertFalse(mock_update.called)
@mock.patch.object(resource.Resource, 'create_convergence')
@mock.patch.object(resource.Resource, 'update_convergence')
def test_check_resource_update_create_action(
self, mock_update, mock_create):
self.resource.action = 'CREATE'
check_resource.check_resource_update(
self.resource, self.resource.stack.t.id, set(), 'engine-id',
self.stack, None)
self.assertFalse(mock_create.called)
self.assertTrue(mock_update.called)
@mock.patch.object(resource.Resource, 'create_convergence')
@mock.patch.object(resource.Resource, 'update_convergence')
def test_check_resource_update_update_action(
self, mock_update, mock_create):
self.resource.action = 'UPDATE'
check_resource.check_resource_update(
self.resource, self.resource.stack.t.id, set(), 'engine-id',
self.stack, None)
self.assertFalse(mock_create.called)
self.assertTrue(mock_update.called)
@mock.patch.object(resource.Resource, 'delete_convergence')
def test_check_resource_cleanup_delete(self, mock_delete):
self.resource.current_template_id = 'new-template-id'
check_resource.check_resource_cleanup(
self.resource, self.resource.stack.t.id, 'engine-id',
self.stack.timeout_secs(), None)
self.assertTrue(mock_delete.called)
def test_check_message_raises_cancel_exception(self):
# ensure CancelOperation is raised on receiving
# rpc_api.THREAD_CANCEL message
msg_queue = eventlet.queue.LightQueue()
msg_queue.put_nowait(rpc_api.THREAD_CANCEL)
self.assertRaises(check_resource.CancelOperation,
check_resource._check_for_message, msg_queue)