349 lines
10 KiB
Python
349 lines
10 KiB
Python
# Copyright 2015 - StackStorm, Inc.
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# Copyright 2016 - Brocade Communications Systems, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import mock
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import testtools
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from mistral.actions import std_actions
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from mistral.db.v2 import api as db_api
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from mistral.services import workbooks as wb_service
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from mistral.services import workflows as wf_service
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from mistral.tests.unit.engine import base
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from mistral.workflow import states
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from mistral_lib import actions as ml_actions
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class TaskCancelTest(base.EngineTestCase):
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def test_cancel_action_execution(self):
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workflow = """
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version: '2.0'
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wf:
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tasks:
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task1:
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action: std.async_noop
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on-success:
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- task2
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on-error:
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- task3
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on-complete:
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- task4
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task2:
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action: std.noop
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task3:
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action: std.noop
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task4:
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action: std.noop
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"""
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wf_service.create_workflows(workflow)
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wf_ex = self.engine.start_workflow('wf')
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self.await_workflow_state(wf_ex.id, states.RUNNING)
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with db_api.transaction():
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wf_execs = db_api.get_workflow_executions()
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wf_ex = self._assert_single_item(wf_execs, name='wf')
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task_1_ex = self._assert_single_item(
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wf_ex.task_executions,
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name='task1'
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)
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task_1_action_exs = db_api.get_action_executions(
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task_execution_id=task_1_ex.id
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)
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self.assertEqual(1, len(task_1_action_exs))
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self.assertEqual(states.RUNNING, task_1_action_exs[0].state)
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self.engine.on_action_complete(
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task_1_action_exs[0].id,
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ml_actions.Result(cancel=True)
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)
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self.await_workflow_cancelled(wf_ex.id)
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with db_api.transaction():
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wf_ex = db_api.get_workflow_execution(wf_ex.id)
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task_1_ex = self._assert_single_item(
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wf_ex.task_executions,
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name='task1'
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)
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self.await_task_cancelled(task_1_ex.id)
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with db_api.transaction():
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wf_ex = db_api.get_workflow_execution(wf_ex.id)
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task_execs = wf_ex.task_executions
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task_1_ex = self._assert_single_item(task_execs, name='task1')
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task_1_action_exs = db_api.get_action_executions(
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task_execution_id=task_1_ex.id
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)
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self.assertEqual(states.CANCELLED, wf_ex.state)
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self.assertEqual("Cancelled tasks: task1", wf_ex.state_info)
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self.assertEqual(1, len(task_execs))
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self.assertEqual(states.CANCELLED, task_1_ex.state)
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self.assertIsNone(task_1_ex.state_info)
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self.assertEqual(1, len(task_1_action_exs))
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self.assertEqual(states.CANCELLED, task_1_action_exs[0].state)
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self.assertIsNone(task_1_action_exs[0].state_info)
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def test_cancel_child_workflow_action_execution(self):
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workbook = """
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version: '2.0'
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name: wb
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workflows:
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wf:
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tasks:
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taskx:
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workflow: subwf
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subwf:
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tasks:
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task1:
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action: std.async_noop
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on-success:
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- task2
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on-error:
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- task3
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on-complete:
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- task4
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task2:
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action: std.noop
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task3:
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action: std.noop
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task4:
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action: std.noop
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"""
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wb_service.create_workbook_v2(workbook)
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wf_ex = self.engine.start_workflow('wb.wf')
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self.await_workflow_state(wf_ex.id, states.RUNNING)
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with db_api.transaction():
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wf_execs = db_api.get_workflow_executions()
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wf_ex = self._assert_single_item(wf_execs, name='wb.wf')
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task_ex = self._assert_single_item(
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wf_ex.task_executions,
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name='taskx'
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)
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subwf_ex = self._assert_single_item(wf_execs, name='wb.subwf')
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task_1_ex = self._assert_single_item(
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subwf_ex.task_executions,
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name='task1'
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)
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task_1_action_exs = db_api.get_action_executions(
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task_execution_id=task_1_ex.id
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)
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self.assertEqual(1, len(task_1_action_exs))
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self.assertEqual(states.RUNNING, task_1_action_exs[0].state)
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self.engine.on_action_complete(
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task_1_action_exs[0].id,
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ml_actions.Result(cancel=True)
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)
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self.await_workflow_cancelled(subwf_ex.id)
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self.await_task_cancelled(task_ex.id)
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self.await_workflow_cancelled(wf_ex.id)
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with db_api.transaction():
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wf_execs = db_api.get_workflow_executions()
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wf_ex = self._assert_single_item(wf_execs, name='wb.wf')
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task_ex = self._assert_single_item(
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wf_ex.task_executions,
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name='taskx'
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)
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subwf_ex = self._assert_single_item(wf_execs, name='wb.subwf')
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subwf_task_execs = subwf_ex.task_executions
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self.assertEqual(states.CANCELLED, subwf_ex.state)
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self.assertEqual("Cancelled tasks: task1", subwf_ex.state_info)
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self.assertEqual(1, len(subwf_task_execs))
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self.assertEqual(states.CANCELLED, task_ex.state)
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self.assertEqual("Cancelled tasks: task1", task_ex.state_info)
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self.assertEqual(states.CANCELLED, wf_ex.state)
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self.assertEqual("Cancelled tasks: taskx", wf_ex.state_info)
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def test_cancel_action_execution_with_task_retry(self):
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workflow = """
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version: '2.0'
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wf:
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tasks:
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task1:
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action: std.async_noop
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retry:
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count: 3
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delay: 0
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on-success:
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- task2
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task2:
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action: std.noop
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"""
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wf_service.create_workflows(workflow)
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wf_ex = self.engine.start_workflow('wf')
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self.await_workflow_state(wf_ex.id, states.RUNNING)
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with db_api.transaction():
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wf_execs = db_api.get_workflow_executions()
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wf_ex = self._assert_single_item(wf_execs, name='wf')
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task_1_ex = self._assert_single_item(
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wf_ex.task_executions,
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name='task1'
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)
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task_1_action_exs = db_api.get_action_executions(
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task_execution_id=task_1_ex.id
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)
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self.assertEqual(1, len(task_1_action_exs))
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self.assertEqual(states.RUNNING, task_1_action_exs[0].state)
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self.engine.on_action_complete(
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task_1_action_exs[0].id,
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ml_actions.Result(cancel=True)
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)
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self.await_workflow_cancelled(wf_ex.id)
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with db_api.transaction():
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wf_ex = db_api.get_workflow_execution(wf_ex.id)
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task_1_ex = self._assert_single_item(
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wf_ex.task_executions,
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name='task1'
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)
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self.await_task_cancelled(task_1_ex.id)
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with db_api.transaction():
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wf_ex = db_api.get_workflow_execution(wf_ex.id)
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task_execs = wf_ex.task_executions
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task_1_ex = self._assert_single_item(task_execs, name='task1')
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task_1_action_exs = db_api.get_action_executions(
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task_execution_id=task_1_ex.id
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)
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self.assertEqual(states.CANCELLED, wf_ex.state)
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self.assertEqual("Cancelled tasks: task1", wf_ex.state_info)
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self.assertEqual(1, len(task_execs))
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self.assertEqual(states.CANCELLED, task_1_ex.state)
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self.assertIsNone(task_1_ex.state_info)
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self.assertEqual(1, len(task_1_action_exs))
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self.assertEqual(states.CANCELLED, task_1_action_exs[0].state)
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self.assertIsNone(task_1_action_exs[0].state_info)
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@testtools.skip('Restore concurrency support.')
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@mock.patch.object(
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std_actions.EchoAction,
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'run',
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mock.MagicMock(
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side_effect=[
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'Task 2' # Mock task2 success.
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]
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)
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)
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def test_cancel_with_items_concurrency(self):
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wb_def = """
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version: '2.0'
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name: wb1
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workflows:
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wf1:
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tasks:
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t1:
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with-items: i in <% list(range(0, 4)) %>
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action: std.async_noop
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concurrency: 2
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on-success:
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- t2
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t2:
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action: std.echo output="Task 2"
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"""
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wb_service.create_workbook_v2(wb_def)
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wf1_ex = self.engine.start_workflow('wb1.wf1')
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self.await_workflow_state(wf1_ex.id, states.RUNNING)
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with db_api.transaction():
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wf1_execs = db_api.get_workflow_executions()
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wf1_ex = self._assert_single_item(wf1_execs, name='wb1.wf1')
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wf1_t1_ex = self._assert_single_item(
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wf1_ex.task_executions,
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name='t1'
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)
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wf1_t1_action_exs = db_api.get_action_executions(
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task_execution_id=wf1_t1_ex.id
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)
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self.assertEqual(2, len(wf1_t1_action_exs))
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self.assertEqual(states.RUNNING, wf1_t1_action_exs[0].state)
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self.assertEqual(states.RUNNING, wf1_t1_action_exs[1].state)
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# Cancel action execution for task.
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for wf1_t1_action_ex in wf1_t1_action_exs:
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self.engine.on_action_complete(
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wf1_t1_action_ex.id,
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ml_actions.Result(cancel=True)
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)
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self.await_task_cancelled(wf1_t1_ex.id)
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self.await_workflow_cancelled(wf1_ex.id)
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wf1_t1_action_exs = db_api.get_action_executions(
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task_execution_id=wf1_t1_ex.id
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)
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self.assertEqual(2, len(wf1_t1_action_exs))
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self.assertEqual(states.CANCELLED, wf1_t1_action_exs[0].state)
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self.assertEqual(states.CANCELLED, wf1_t1_action_exs[1].state)
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