680 lines
24 KiB
Python
680 lines
24 KiB
Python
import unittest
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import json
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import uuid
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from mock import Mock, ANY
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from six import iteritems
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from trollius import coroutine, get_event_loop, From, Future, Return
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from app import metric_queue
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from buildman.asyncutil import AsyncWrapper
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from buildman.component.buildcomponent import BuildComponent
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from buildman.manager.ephemeral import (EphemeralBuilderManager, REALM_PREFIX,
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JOB_PREFIX)
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from buildman.manager.executor import BuilderExecutor, ExecutorException
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from buildman.orchestrator import KeyEvent, KeyChange
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from buildman.server import BuildJobResult
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from util import slash_join
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from util.metrics.metricqueue import duration_collector_async
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BUILD_UUID = 'deadbeef-dead-beef-dead-deadbeefdead'
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REALM_ID = '1234-realm'
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def async_test(f):
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def wrapper(*args, **kwargs):
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coro = coroutine(f)
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future = coro(*args, **kwargs)
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loop = get_event_loop()
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loop.run_until_complete(future)
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return wrapper
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class TestExecutor(BuilderExecutor):
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job_started = None
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job_stopped = None
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@coroutine
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@duration_collector_async(metric_queue.builder_time_to_start, labelvalues=["testlabel"])
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def start_builder(self, realm, token, build_uuid):
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self.job_started = str(uuid.uuid4())
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raise Return(self.job_started)
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@coroutine
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def stop_builder(self, execution_id):
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self.job_stopped = execution_id
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class BadExecutor(BuilderExecutor):
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@coroutine
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@duration_collector_async(metric_queue.builder_time_to_start, labelvalues=["testlabel"])
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def start_builder(self, realm, token, build_uuid):
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raise ExecutorException('raised on purpose!')
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class EphemeralBuilderTestCase(unittest.TestCase):
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def __init__(self, *args, **kwargs):
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self.etcd_client_mock = None
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super(EphemeralBuilderTestCase, self).__init__(*args, **kwargs)
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@staticmethod
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def _create_completed_future(result=None):
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def inner(*args, **kwargs):
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new_future = Future()
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new_future.set_result(result)
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return new_future
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return inner
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def setUp(self):
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self._existing_executors = dict(EphemeralBuilderManager.EXECUTORS)
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def tearDown(self):
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EphemeralBuilderManager.EXECUTORS = self._existing_executors
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@coroutine
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def _register_component(self, realm_spec, build_component, token):
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raise Return('hello')
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def _create_build_job(self, namespace='namespace', retries=3):
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mock_job = Mock()
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mock_job.job_details = {'build_uuid': BUILD_UUID}
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mock_job.job_item = {
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'body': json.dumps(mock_job.job_details),
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'id': 1,
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}
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mock_job.namespace = namespace
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mock_job.retries_remaining = retries
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mock_job.build_uuid = BUILD_UUID
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return mock_job
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class TestEphemeralLifecycle(EphemeralBuilderTestCase):
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""" Tests the various lifecycles of the ephemeral builder and its interaction with etcd. """
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def __init__(self, *args, **kwargs):
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super(TestEphemeralLifecycle, self).__init__(*args, **kwargs)
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self.etcd_client_mock = None
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self.test_executor = None
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def _create_completed_future(self, result=None):
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def inner(*args, **kwargs):
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new_future = Future()
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new_future.set_result(result)
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return new_future
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return inner
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def _create_mock_executor(self, *args, **kwargs):
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self.test_executor = Mock(spec=BuilderExecutor)
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self.test_executor.start_builder = Mock(side_effect=self._create_completed_future('123'))
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self.test_executor.stop_builder = Mock(side_effect=self._create_completed_future())
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self.test_executor.setup_time = 60
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self.test_executor.name = 'MockExecutor'
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self.test_executor.minimum_retry_threshold = 0
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return self.test_executor
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def setUp(self):
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super(TestEphemeralLifecycle, self).setUp()
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EphemeralBuilderManager.EXECUTORS['test'] = self._create_mock_executor
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self.register_component_callback = Mock()
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self.unregister_component_callback = Mock()
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self.job_heartbeat_callback = Mock()
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self.job_complete_callback = AsyncWrapper(Mock())
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self.manager = EphemeralBuilderManager(
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self.register_component_callback,
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self.unregister_component_callback,
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self.job_heartbeat_callback,
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self.job_complete_callback,
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'127.0.0.1',
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30,
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)
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self.manager.initialize({
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'EXECUTOR': 'test',
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'ORCHESTRATOR': {'MEM_CONFIG': None},
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})
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# Ensure that that the realm and building callbacks have been registered
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callback_keys = [key for key in self.manager._orchestrator.callbacks]
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self.assertIn(REALM_PREFIX, callback_keys)
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self.assertIn(JOB_PREFIX, callback_keys)
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self.mock_job = self._create_build_job()
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self.mock_job_key = slash_join('building', BUILD_UUID)
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def tearDown(self):
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super(TestEphemeralLifecycle, self).tearDown()
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self.manager.shutdown()
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@coroutine
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def _setup_job_for_managers(self):
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test_component = Mock(spec=BuildComponent)
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test_component.builder_realm = REALM_ID
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test_component.start_build = Mock(side_effect=self._create_completed_future())
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self.register_component_callback.return_value = test_component
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is_scheduled = yield From(self.manager.schedule(self.mock_job))
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self.assertTrue(is_scheduled)
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self.assertEqual(self.test_executor.start_builder.call_count, 1)
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# Ensure that that the job, realm, and metric callbacks have been registered
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callback_keys = [key for key in self.manager._orchestrator.callbacks]
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self.assertIn(self.mock_job_key, self.manager._orchestrator.state)
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self.assertIn(REALM_PREFIX, callback_keys)
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# TODO: assert metric key has been set
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realm_for_build = self._find_realm_key(self.manager._orchestrator, BUILD_UUID)
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raw_realm_data = yield From(self.manager._orchestrator.get_key(slash_join('realm',
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realm_for_build)))
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realm_data = json.loads(raw_realm_data)
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realm_data['realm'] = REALM_ID
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# Right now the job is not registered with any managers because etcd has not accepted the job
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self.assertEqual(self.register_component_callback.call_count, 0)
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# Fire off a realm changed with the same data.
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yield From(self.manager._realm_callback(
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KeyChange(KeyEvent.CREATE,
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slash_join(REALM_PREFIX, REALM_ID),
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json.dumps(realm_data))))
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# Ensure that we have at least one component node.
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self.assertEqual(self.register_component_callback.call_count, 1)
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self.assertEqual(1, self.manager.num_workers())
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# Ensure that the build info exists.
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self.assertIsNotNone(self.manager._build_uuid_to_info.get(BUILD_UUID))
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raise Return(test_component)
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@staticmethod
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def _find_realm_key(orchestrator, build_uuid):
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for key, value in iteritems(orchestrator.state):
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if key.startswith(REALM_PREFIX):
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parsed_value = json.loads(value)
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body = json.loads(parsed_value['job_queue_item']['body'])
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if body['build_uuid'] == build_uuid:
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return parsed_value['realm']
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continue
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raise KeyError
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@async_test
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def test_schedule_and_complete(self):
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# Test that a job is properly registered with all of the managers
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test_component = yield From(self._setup_job_for_managers())
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# Take the job ourselves
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yield From(self.manager.build_component_ready(test_component))
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self.assertIsNotNone(self.manager._build_uuid_to_info.get(BUILD_UUID))
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# Finish the job
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yield From(self.manager.job_completed(self.mock_job, BuildJobResult.COMPLETE, test_component))
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# Ensure that the executor kills the job.
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self.assertEqual(self.test_executor.stop_builder.call_count, 1)
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# Ensure the build information is cleaned up.
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self.assertIsNone(self.manager._build_uuid_to_info.get(BUILD_UUID))
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self.assertEqual(0, self.manager.num_workers())
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@async_test
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def test_another_manager_takes_job(self):
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# Prepare a job to be taken by another manager
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test_component = yield From(self._setup_job_for_managers())
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yield From(self.manager._realm_callback(
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KeyChange(KeyEvent.DELETE,
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slash_join(REALM_PREFIX, REALM_ID),
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json.dumps({'realm': REALM_ID,
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'token': 'beef',
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'execution_id': '123',
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'job_queue_item': self.mock_job.job_item}))))
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self.unregister_component_callback.assert_called_once_with(test_component)
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# Ensure that the executor does not kill the job.
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self.assertEqual(self.test_executor.stop_builder.call_count, 0)
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# Ensure that we still have the build info, but not the component.
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self.assertEqual(0, self.manager.num_workers())
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self.assertIsNotNone(self.manager._build_uuid_to_info.get(BUILD_UUID))
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# Delete the job once it has "completed".
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yield From(self.manager._job_callback(
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KeyChange(KeyEvent.DELETE,
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self.mock_job_key,
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json.dumps({'had_heartbeat': False,
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'job_queue_item': self.mock_job.job_item}))))
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# Ensure the job was removed from the info, but stop was not called.
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self.assertIsNone(self.manager._build_uuid_to_info.get(BUILD_UUID))
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self.assertEqual(self.test_executor.stop_builder.call_count, 0)
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@async_test
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def test_job_started_by_other_manager(self):
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# Ensure that that the building callbacks have been registered
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callback_keys = [key for key in self.manager._orchestrator.callbacks]
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self.assertIn(JOB_PREFIX, callback_keys)
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# Send a signal to the callback that the job has been created.
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yield From(self.manager._job_callback(
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KeyChange(KeyEvent.CREATE,
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self.mock_job_key,
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json.dumps({'had_heartbeat': False,
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'job_queue_item': self.mock_job.job_item}))))
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# Ensure the create does nothing.
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self.assertEqual(self.test_executor.stop_builder.call_count, 0)
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@async_test
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def test_expiring_worker_not_started(self):
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# Ensure that that the building callbacks have been registered
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callback_keys = [key for key in self.manager._orchestrator.callbacks]
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self.assertIn(JOB_PREFIX, callback_keys)
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# Send a signal to the callback that a worker has expired
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yield From(self.manager._job_callback(
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KeyChange(KeyEvent.EXPIRE,
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self.mock_job_key,
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json.dumps({'had_heartbeat': True,
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'job_queue_item': self.mock_job.job_item}))))
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# Since the realm was never registered, expiration should do nothing.
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self.assertEqual(self.test_executor.stop_builder.call_count, 0)
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@async_test
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def test_expiring_worker_started(self):
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test_component = yield From(self._setup_job_for_managers())
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# Ensure that that the building callbacks have been registered
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callback_keys = [key for key in self.manager._orchestrator.callbacks]
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self.assertIn(JOB_PREFIX, callback_keys)
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yield From(self.manager._job_callback(
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KeyChange(KeyEvent.EXPIRE,
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self.mock_job_key,
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json.dumps({'had_heartbeat': True,
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'job_queue_item': self.mock_job.job_item}))))
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self.test_executor.stop_builder.assert_called_once_with('123')
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self.assertEqual(self.test_executor.stop_builder.call_count, 1)
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@async_test
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def test_buildjob_deleted(self):
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test_component = yield From(self._setup_job_for_managers())
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# Ensure that that the building callbacks have been registered
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callback_keys = [key for key in self.manager._orchestrator.callbacks]
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self.assertIn(JOB_PREFIX, callback_keys)
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# Send a signal to the callback that a worker has expired
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yield From(self.manager._job_callback(
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KeyChange(KeyEvent.DELETE,
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self.mock_job_key,
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json.dumps({'had_heartbeat': False,
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'job_queue_item': self.mock_job.job_item}))))
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self.assertEqual(self.test_executor.stop_builder.call_count, 0)
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self.assertEqual(self.job_complete_callback.call_count, 0)
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self.assertIsNone(self.manager._build_uuid_to_info.get(BUILD_UUID))
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@async_test
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def test_builder_never_starts(self):
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test_component = yield From(self._setup_job_for_managers())
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# Ensure that that the building callbacks have been registered
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callback_keys = [key for key in self.manager._orchestrator.callbacks]
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self.assertIn(JOB_PREFIX, callback_keys)
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# Send a signal to the callback that a worker has expired
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yield From(self.manager._job_callback(
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KeyChange(KeyEvent.EXPIRE,
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self.mock_job_key,
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json.dumps({'had_heartbeat': False,
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'job_queue_item': self.mock_job.job_item}))))
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self.test_executor.stop_builder.assert_called_once_with('123')
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self.assertEqual(self.test_executor.stop_builder.call_count, 1)
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# Ensure the job was marked as incomplete, with an update_phase to True (so the DB record and
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# logs are updated as well)
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yield From(self.job_complete_callback.assert_called_once_with(ANY, BuildJobResult.INCOMPLETE,
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'MockExecutor',
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update_phase=True))
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@async_test
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def test_change_worker(self):
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# Send a signal to the callback that a worker key has been changed
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self.manager._job_callback(KeyChange(KeyEvent.SET, self.mock_job_key, 'value'))
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self.assertEqual(self.test_executor.stop_builder.call_count, 0)
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@async_test
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def test_realm_expired(self):
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test_component = yield From(self._setup_job_for_managers())
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# Send a signal to the callback that a realm has expired
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yield From(self.manager._realm_callback(KeyChange(
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KeyEvent.EXPIRE,
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self.mock_job_key,
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json.dumps({
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'realm': REALM_ID,
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'execution_id': 'foobar',
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'executor_name': 'MockExecutor',
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'job_queue_item': {'body': '{"build_uuid": "fakeid"}'},
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}))))
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# Ensure that the cleanup code for the executor was called.
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self.test_executor.stop_builder.assert_called_once_with('foobar')
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self.assertEqual(self.test_executor.stop_builder.call_count, 1)
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class TestEphemeral(EphemeralBuilderTestCase):
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""" Simple unit tests for the ephemeral builder around config management, starting and stopping
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jobs.
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"""
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def setUp(self):
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super(TestEphemeral, self).setUp()
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unregister_component_callback = Mock()
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job_heartbeat_callback = Mock()
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@coroutine
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def job_complete_callback(*args, **kwargs):
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raise Return()
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self.manager = EphemeralBuilderManager(
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self._register_component,
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unregister_component_callback,
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job_heartbeat_callback,
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job_complete_callback,
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'127.0.0.1',
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30,
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)
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def tearDown(self):
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super(TestEphemeral, self).tearDown()
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self.manager.shutdown()
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def test_verify_executor_oldconfig(self):
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EphemeralBuilderManager.EXECUTORS['test'] = TestExecutor
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self.manager.initialize({
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'EXECUTOR': 'test',
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'EXECUTOR_CONFIG': dict(MINIMUM_RETRY_THRESHOLD=42),
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'ORCHESTRATOR': {'MEM_CONFIG': None},
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})
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# Ensure that we have a single test executor.
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self.assertEqual(1, len(self.manager.registered_executors))
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self.assertEqual(42, self.manager.registered_executors[0].minimum_retry_threshold)
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self.assertEqual('TestExecutor', self.manager.registered_executors[0].name)
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def test_verify_executor_newconfig(self):
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EphemeralBuilderManager.EXECUTORS['test'] = TestExecutor
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self.manager.initialize({
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'EXECUTORS': [{
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'EXECUTOR': 'test',
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'MINIMUM_RETRY_THRESHOLD': 42
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}],
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'ORCHESTRATOR': {'MEM_CONFIG': None},
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})
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# Ensure that we have a single test executor.
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self.assertEqual(1, len(self.manager.registered_executors))
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self.assertEqual(42, self.manager.registered_executors[0].minimum_retry_threshold)
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def test_multiple_executors_samename(self):
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EphemeralBuilderManager.EXECUTORS['test'] = TestExecutor
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EphemeralBuilderManager.EXECUTORS['anotherexecutor'] = TestExecutor
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with self.assertRaises(Exception):
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self.manager.initialize({
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'EXECUTORS': [
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{
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'NAME': 'primary',
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'EXECUTOR': 'test',
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'MINIMUM_RETRY_THRESHOLD': 42
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},
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{
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'NAME': 'primary',
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'EXECUTOR': 'anotherexecutor',
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'MINIMUM_RETRY_THRESHOLD': 24
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},
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],
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'ORCHESTRATOR': {'MEM_CONFIG': None},
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})
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def test_verify_multiple_executors(self):
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EphemeralBuilderManager.EXECUTORS['test'] = TestExecutor
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EphemeralBuilderManager.EXECUTORS['anotherexecutor'] = TestExecutor
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self.manager.initialize({
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'EXECUTORS': [
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{
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'NAME': 'primary',
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'EXECUTOR': 'test',
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'MINIMUM_RETRY_THRESHOLD': 42
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},
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{
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'NAME': 'secondary',
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'EXECUTOR': 'anotherexecutor',
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'MINIMUM_RETRY_THRESHOLD': 24
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},
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],
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'ORCHESTRATOR': {'MEM_CONFIG': None},
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})
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# Ensure that we have a two test executors.
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self.assertEqual(2, len(self.manager.registered_executors))
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self.assertEqual(42, self.manager.registered_executors[0].minimum_retry_threshold)
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self.assertEqual(24, self.manager.registered_executors[1].minimum_retry_threshold)
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def test_skip_invalid_executor(self):
|
|
self.manager.initialize({
|
|
'EXECUTORS': [
|
|
{
|
|
'EXECUTOR': 'unknown',
|
|
'MINIMUM_RETRY_THRESHOLD': 42
|
|
},
|
|
],
|
|
'ORCHESTRATOR': {'MEM_CONFIG': None},
|
|
})
|
|
|
|
self.assertEqual(0, len(self.manager.registered_executors))
|
|
|
|
@async_test
|
|
def test_schedule_job_namespace_filter(self):
|
|
EphemeralBuilderManager.EXECUTORS['test'] = TestExecutor
|
|
self.manager.initialize({
|
|
'EXECUTORS': [{
|
|
'EXECUTOR': 'test',
|
|
'NAMESPACE_WHITELIST': ['something'],
|
|
}],
|
|
'ORCHESTRATOR': {'MEM_CONFIG': None},
|
|
})
|
|
|
|
# Try with a build job in an invalid namespace.
|
|
build_job = self._create_build_job(namespace='somethingelse')
|
|
result = yield From(self.manager.schedule(build_job))
|
|
self.assertFalse(result[0])
|
|
|
|
# Try with a valid namespace.
|
|
build_job = self._create_build_job(namespace='something')
|
|
result = yield From(self.manager.schedule(build_job))
|
|
self.assertTrue(result[0])
|
|
|
|
@async_test
|
|
def test_schedule_job_retries_filter(self):
|
|
EphemeralBuilderManager.EXECUTORS['test'] = TestExecutor
|
|
self.manager.initialize({
|
|
'EXECUTORS': [{
|
|
'EXECUTOR': 'test',
|
|
'MINIMUM_RETRY_THRESHOLD': 2,
|
|
}],
|
|
'ORCHESTRATOR': {'MEM_CONFIG': None},
|
|
})
|
|
|
|
# Try with a build job that has too few retries.
|
|
build_job = self._create_build_job(retries=1)
|
|
result = yield From(self.manager.schedule(build_job))
|
|
self.assertFalse(result[0])
|
|
|
|
# Try with a valid job.
|
|
build_job = self._create_build_job(retries=2)
|
|
result = yield From(self.manager.schedule(build_job))
|
|
self.assertTrue(result[0])
|
|
|
|
@async_test
|
|
def test_schedule_job_executor_fallback(self):
|
|
EphemeralBuilderManager.EXECUTORS['primary'] = TestExecutor
|
|
EphemeralBuilderManager.EXECUTORS['secondary'] = TestExecutor
|
|
|
|
self.manager.initialize({
|
|
'EXECUTORS': [
|
|
{
|
|
'NAME': 'primary',
|
|
'EXECUTOR': 'primary',
|
|
'NAMESPACE_WHITELIST': ['something'],
|
|
'MINIMUM_RETRY_THRESHOLD': 3,
|
|
},
|
|
{
|
|
'NAME': 'secondary',
|
|
'EXECUTOR': 'secondary',
|
|
'MINIMUM_RETRY_THRESHOLD': 2,
|
|
},
|
|
],
|
|
'ALLOWED_WORKER_COUNT': 5,
|
|
'ORCHESTRATOR': {'MEM_CONFIG': None},
|
|
})
|
|
|
|
# Try a job not matching the primary's namespace filter. Should schedule on secondary.
|
|
build_job = self._create_build_job(namespace='somethingelse')
|
|
result = yield From(self.manager.schedule(build_job))
|
|
self.assertTrue(result[0])
|
|
|
|
self.assertIsNone(self.manager.registered_executors[0].job_started)
|
|
self.assertIsNotNone(self.manager.registered_executors[1].job_started)
|
|
|
|
self.manager.registered_executors[0].job_started = None
|
|
self.manager.registered_executors[1].job_started = None
|
|
|
|
# Try a job not matching the primary's retry minimum. Should schedule on secondary.
|
|
build_job = self._create_build_job(namespace='something', retries=2)
|
|
result = yield From(self.manager.schedule(build_job))
|
|
self.assertTrue(result[0])
|
|
|
|
self.assertIsNone(self.manager.registered_executors[0].job_started)
|
|
self.assertIsNotNone(self.manager.registered_executors[1].job_started)
|
|
|
|
self.manager.registered_executors[0].job_started = None
|
|
self.manager.registered_executors[1].job_started = None
|
|
|
|
# Try a job matching the primary. Should schedule on the primary.
|
|
build_job = self._create_build_job(namespace='something', retries=3)
|
|
result = yield From(self.manager.schedule(build_job))
|
|
self.assertTrue(result[0])
|
|
|
|
self.assertIsNotNone(self.manager.registered_executors[0].job_started)
|
|
self.assertIsNone(self.manager.registered_executors[1].job_started)
|
|
|
|
self.manager.registered_executors[0].job_started = None
|
|
self.manager.registered_executors[1].job_started = None
|
|
|
|
# Try a job not matching either's restrictions.
|
|
build_job = self._create_build_job(namespace='somethingelse', retries=1)
|
|
result = yield From(self.manager.schedule(build_job))
|
|
self.assertFalse(result[0])
|
|
|
|
self.assertIsNone(self.manager.registered_executors[0].job_started)
|
|
self.assertIsNone(self.manager.registered_executors[1].job_started)
|
|
|
|
self.manager.registered_executors[0].job_started = None
|
|
self.manager.registered_executors[1].job_started = None
|
|
|
|
|
|
@async_test
|
|
def test_schedule_job_single_executor(self):
|
|
EphemeralBuilderManager.EXECUTORS['test'] = TestExecutor
|
|
|
|
self.manager.initialize({
|
|
'EXECUTOR': 'test',
|
|
'EXECUTOR_CONFIG': {},
|
|
'ALLOWED_WORKER_COUNT': 5,
|
|
'ORCHESTRATOR': {'MEM_CONFIG': None},
|
|
})
|
|
|
|
build_job = self._create_build_job(namespace='something', retries=3)
|
|
result = yield From(self.manager.schedule(build_job))
|
|
self.assertTrue(result[0])
|
|
|
|
self.assertIsNotNone(self.manager.registered_executors[0].job_started)
|
|
self.manager.registered_executors[0].job_started = None
|
|
|
|
|
|
build_job = self._create_build_job(namespace='something', retries=0)
|
|
result = yield From(self.manager.schedule(build_job))
|
|
self.assertTrue(result[0])
|
|
|
|
self.assertIsNotNone(self.manager.registered_executors[0].job_started)
|
|
self.manager.registered_executors[0].job_started = None
|
|
|
|
@async_test
|
|
def test_executor_exception(self):
|
|
EphemeralBuilderManager.EXECUTORS['bad'] = BadExecutor
|
|
|
|
self.manager.initialize({
|
|
'EXECUTOR': 'bad',
|
|
'EXECUTOR_CONFIG': {},
|
|
'ORCHESTRATOR': {'MEM_CONFIG': None},
|
|
})
|
|
|
|
build_job = self._create_build_job(namespace='something', retries=3)
|
|
result = yield From(self.manager.schedule(build_job))
|
|
self.assertFalse(result[0])
|
|
|
|
@async_test
|
|
def test_schedule_and_stop(self):
|
|
EphemeralBuilderManager.EXECUTORS['test'] = TestExecutor
|
|
|
|
self.manager.initialize({
|
|
'EXECUTOR': 'test',
|
|
'EXECUTOR_CONFIG': {},
|
|
'ORCHESTRATOR': {'MEM_CONFIG': None},
|
|
})
|
|
|
|
# Start the build job.
|
|
build_job = self._create_build_job(namespace='something', retries=3)
|
|
result = yield From(self.manager.schedule(build_job))
|
|
self.assertTrue(result[0])
|
|
|
|
executor = self.manager.registered_executors[0]
|
|
self.assertIsNotNone(executor.job_started)
|
|
|
|
# Register the realm so the build information is added.
|
|
yield From(self.manager._register_realm({
|
|
'realm': str(uuid.uuid4()),
|
|
'token': str(uuid.uuid4()),
|
|
'execution_id': executor.job_started,
|
|
'executor_name': 'TestExecutor',
|
|
'build_uuid': build_job.build_uuid,
|
|
'job_queue_item': build_job.job_item,
|
|
}))
|
|
|
|
# Stop the build job.
|
|
yield From(self.manager.kill_builder_executor(build_job.build_uuid))
|
|
self.assertEqual(executor.job_stopped, executor.job_started)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
unittest.main()
|