261 lines
8.1 KiB
Python
261 lines
8.1 KiB
Python
# Copyright 2016 Catalyst IT Ltd
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# Copyright 2017 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 copy
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import time
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import mock
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from oslo_config import cfg
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from mistral import context as auth_context
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from mistral.db.v2.sqlalchemy import api as db_api
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from mistral.event_engine import default_event_engine as evt_eng
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from mistral.rpc import clients as rpc
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from mistral.services import workflows
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from mistral.tests.unit import base
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WORKFLOW_LIST = """
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---
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version: '2.0'
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my_wf:
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type: direct
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tasks:
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task1:
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action: std.echo output='Hi!'
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"""
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EXCHANGE_TOPIC = ('openstack', 'notification')
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EVENT_TYPE = 'compute.instance.create.start'
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EVENT_TRIGGER = {
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'name': 'trigger1',
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'workflow_id': '',
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'workflow_input': {},
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'workflow_params': {},
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'exchange': 'openstack',
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'topic': 'notification',
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'event': EVENT_TYPE,
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}
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cfg.CONF.set_default('auth_enable', False, group='pecan')
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class EventEngineTest(base.DbTestCase):
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def setUp(self):
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super(EventEngineTest, self).setUp()
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self.wf = workflows.create_workflows(WORKFLOW_LIST)[0]
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EVENT_TRIGGER['workflow_id'] = self.wf.id
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@mock.patch.object(rpc, 'get_engine_client', mock.Mock())
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def test_event_engine_start_with_no_triggers(self):
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e_engine = evt_eng.DefaultEventEngine()
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self.addCleanup(e_engine.handler_tg.stop)
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self.assertEqual(0, len(e_engine.event_triggers_map))
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self.assertEqual(0, len(e_engine.exchange_topic_events_map))
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self.assertEqual(0, len(e_engine.exchange_topic_listener_map))
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@mock.patch('mistral.messaging.start_listener')
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@mock.patch.object(rpc, 'get_engine_client', mock.Mock())
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def test_event_engine_start_with_triggers(self, mock_start):
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trigger = db_api.create_event_trigger(EVENT_TRIGGER)
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e_engine = evt_eng.DefaultEventEngine()
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self.addCleanup(e_engine.handler_tg.stop)
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self.assertEqual(1, len(e_engine.exchange_topic_events_map))
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self.assertEqual(
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EVENT_TYPE,
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list(e_engine.exchange_topic_events_map[EXCHANGE_TOPIC])[0]
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)
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self.assertEqual(1, len(e_engine.event_triggers_map))
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self.assertEqual(1, len(e_engine.event_triggers_map[EVENT_TYPE]))
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self._assert_dict_contains_subset(
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trigger.to_dict(),
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e_engine.event_triggers_map[EVENT_TYPE][0]
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)
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self.assertEqual(1, len(e_engine.exchange_topic_listener_map))
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@mock.patch('mistral.messaging.start_listener')
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@mock.patch.object(rpc, 'get_engine_client', mock.Mock())
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def test_event_engine_public_trigger(self, mock_start):
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t = copy.deepcopy(EVENT_TRIGGER)
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# Create public trigger as an admin
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self.ctx = base.get_context(default=False, admin=True)
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auth_context.set_ctx(self.ctx)
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t['scope'] = 'public'
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t['project_id'] = self.ctx.tenant
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trigger = db_api.create_event_trigger(t)
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# Switch to the user.
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self.ctx = base.get_context(default=True)
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auth_context.set_ctx(self.ctx)
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e_engine = evt_eng.DefaultEventEngine()
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self.addCleanup(e_engine.handler_tg.stop)
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event = {
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'event_type': EVENT_TYPE,
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'payload': {},
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'publisher': 'fake_publisher',
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'timestamp': '',
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'context': {
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'project_id': '%s' % self.ctx.project_id,
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'user_id': 'fake_user'
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},
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}
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# Moreover, assert that trigger.project_id != event.project_id
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self.assertNotEqual(
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trigger.project_id, event['context']['project_id']
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)
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with mock.patch.object(e_engine, 'engine_client') as client_mock:
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e_engine.event_queue.put(event)
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time.sleep(1)
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self.assertEqual(1, client_mock.start_workflow.call_count)
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args, kwargs = client_mock.start_workflow.call_args
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self.assertEqual(
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(EVENT_TRIGGER['workflow_id'], '', None, {}),
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args
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)
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self.assertDictEqual(
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{
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'service': 'fake_publisher',
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'project_id': '%s' % self.ctx.project_id,
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'user_id': 'fake_user',
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'timestamp': ''
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},
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kwargs['event_params']
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)
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@mock.patch('mistral.messaging.start_listener')
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@mock.patch.object(rpc, 'get_engine_client', mock.Mock())
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def test_process_event_queue(self, mock_start):
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EVENT_TRIGGER['project_id'] = self.ctx.project_id
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db_api.create_event_trigger(EVENT_TRIGGER)
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e_engine = evt_eng.DefaultEventEngine()
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self.addCleanup(e_engine.handler_tg.stop)
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event = {
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'event_type': EVENT_TYPE,
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'payload': {},
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'publisher': 'fake_publisher',
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'timestamp': '',
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'context': {
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'project_id': '%s' % self.ctx.project_id,
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'user_id': 'fake_user'
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},
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}
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with mock.patch.object(e_engine, 'engine_client') as client_mock:
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e_engine.event_queue.put(event)
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time.sleep(1)
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self.assertEqual(1, client_mock.start_workflow.call_count)
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args, kwargs = client_mock.start_workflow.call_args
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self.assertEqual(
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(EVENT_TRIGGER['workflow_id'], '', None, {}),
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args
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)
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self.assertDictEqual(
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{
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'service': 'fake_publisher',
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'project_id': '%s' % self.ctx.project_id,
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'user_id': 'fake_user',
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'timestamp': ''
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},
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kwargs['event_params']
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)
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class NotificationsConverterTest(base.BaseTest):
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def test_convert(self):
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definition_cfg = [
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{
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'event_types': EVENT_TYPE,
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'properties': {'resource_id': '<% $.payload.instance_id %>'}
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}
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]
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converter = evt_eng.NotificationsConverter()
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converter.definitions = [evt_eng.EventDefinition(event_def)
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for event_def in reversed(definition_cfg)]
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notification = {
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'event_type': EVENT_TYPE,
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'payload': {'instance_id': '12345'},
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'publisher': 'fake_publisher',
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'timestamp': '',
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'context': {'project_id': 'fake_project', 'user_id': 'fake_user'}
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}
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event = converter.convert(EVENT_TYPE, notification)
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self.assertDictEqual(
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{'resource_id': '12345'},
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event
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)
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def test_convert_event_type_not_defined(self):
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definition_cfg = [
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{
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'event_types': EVENT_TYPE,
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'properties': {'resource_id': '<% $.payload.instance_id %>'}
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}
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]
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converter = evt_eng.NotificationsConverter()
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converter.definitions = [evt_eng.EventDefinition(event_def)
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for event_def in reversed(definition_cfg)]
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notification = {
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'event_type': 'fake_event',
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'payload': {'instance_id': '12345'},
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'publisher': 'fake_publisher',
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'timestamp': '',
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'context': {'project_id': 'fake_project', 'user_id': 'fake_user'}
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}
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event = converter.convert('fake_event', notification)
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self.assertDictEqual(
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{
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'service': 'fake_publisher',
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'project_id': 'fake_project',
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'user_id': 'fake_user',
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'timestamp': ''
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},
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event
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)
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