def setUp(self):
self._client = mock.Mock()
self._archiver = Archiver(self._client, 'some_workflow', '123')
self._job_token = Token(
version=12345,
name='/workflow/some_workflow/123/waiting/some_job')
self._abort_token = Token(
version=123456,
name='/workflow/some_workflow/123/__SIGNAL__/ABORT')
def _process_signals(self, workflow, instance):
"""Process signals for a given workflow instance.
Args:
workflow: The workflow whose signals should be processed.
instance: The instance whose signals should be processed.
Returns:
True if the worker should execute jobs in this instance. Otherwise
False.
"""
signaller = Signaller(self._client, workflow, instance)
archiver = Archiver(self._client, workflow, instance)
if signaller.is_action_set(Signal.EXIT):
return False
if (signaller.is_action_set(Signal.ARCHIVE)
and self._is_done(workflow, instance)):
# TODO(pawel): enable this for all workflows after we gain
# confidence that the master has enough memory to delay workflow
# archiving.
if workflow == 'indexing':
ARCHIVE_DELAY_SEC = 7 * 24 * 60 * 60 # 7 days
else:
ARCHIVE_DELAY_SEC = 12 * 60 * 60 # 12 hours
expiration_timestamp = int(time.time()) + ARCHIVE_DELAY_SEC
if signaller.set_attribute_if_missing(Signal.ARCHIVE,
Signal.TIMESTAMP_ATTR,
expiration_timestamp):
self._send_instance_end_email(workflow, instance)
else:
expiration_timestamp = signaller.get_attribute(
Signal.ARCHIVE, Signal.TIMESTAMP_ATTR)
archiver.archive_if_expired(expiration_timestamp)
return False
if signaller.is_action_set(Signal.ABORT):
if archiver.archive_if_aborted():
self._send_instance_end_email(workflow, instance)
return False
if signaller.is_action_set(Signal.DRAIN):
return False
return True
def _process_signals(self, workflow, instance):
"""Process signals for a given workflow instance.
Args:
workflow: The workflow whose signals should be processed.
instance: The instance whose signals should be processed.
Returns:
True if the worker should execute jobs in this instance. Otherwise
False.
"""
signaller = Signaller(self._client, workflow, instance)
archiver = Archiver(self._client, workflow, instance)
if signaller.is_action_set(Signal.EXIT):
return False
if (signaller.is_action_set(Signal.ARCHIVE) and
self._is_done(workflow, instance)):
# TODO(pawel): enable this for all workflows after we gain
# confidence that the master has enough memory to delay workflow
# archiving.
if workflow == 'indexing':
ARCHIVE_DELAY_SEC = 7 * 24 * 60 * 60 # 7 days
else:
ARCHIVE_DELAY_SEC = 12 * 60 * 60 # 12 hours
expiration_timestamp = int(time.time()) + ARCHIVE_DELAY_SEC
if signaller.set_attribute_if_missing(Signal.ARCHIVE,
Signal.TIMESTAMP_ATTR,
expiration_timestamp):
self._send_instance_end_email(workflow, instance)
else:
expiration_timestamp = signaller.get_attribute(
Signal.ARCHIVE, Signal.TIMESTAMP_ATTR)
archiver.archive_if_expired(expiration_timestamp)
return False
if signaller.is_action_set(Signal.ABORT):
if archiver.archive_if_aborted():
self._send_instance_end_email(workflow, instance)
return False
if signaller.is_action_set(Signal.DRAIN):
return False
return True
class ArchiverTestCase(unittest.TestCase):
def setUp(self):
self._client = mock.Mock()
self._archiver = Archiver(self._client, 'some_workflow', '123')
self._job_token = Token(
version=12345,
name='/workflow/some_workflow/123/waiting/some_job')
self._abort_token = Token(
version=123456,
name='/workflow/some_workflow/123/__SIGNAL__/ABORT')
def _prepare_get_instance_tokens(self, response_tokens):
query_response = QueryResponse([response_tokens])
self._client.query.return_value = query_response
def _verify_get_instance_tokens(self):
query = Query(namePrefix='/workflow/some_workflow/123/')
query_request = QueryRequest(queries=[query])
self._client.query.assert_called_once_with(query_request)
def _verify_archive_tokens(self, request_tokens):
archive_request = ArchiveRequest(tokens=request_tokens)
self._client.archive.assert_called_once_with(archive_request)
def test_archive_if_expired_non_existent(self):
self._prepare_get_instance_tokens([])
self.assertFalse(self._archiver.archive_if_expired(10))
self._verify_get_instance_tokens()
def test_archive_not_expired(self):
self._prepare_get_instance_tokens([])
self.assertFalse(self._archiver.archive_if_expired(time.time() + 1000))
self.assertEqual(0, self._client.query.call_count)
def test_archive_expired(self):
self._prepare_get_instance_tokens([self._job_token])
self.assertTrue(self._archiver.archive_if_expired(10))
self._verify_get_instance_tokens()
self._verify_archive_tokens([self._job_token])
def test_archive_if_aborted_not_aborted(self):
self._prepare_get_instance_tokens([self._job_token])
self.assertFalse(self._archiver.archive_if_aborted())
self._verify_get_instance_tokens()
def test_archive_if_aborted_owned(self):
self._job_token.owner = 'some_owner'
self._job_token.expirationTime = time.time() + 1000
self._prepare_get_instance_tokens([self._job_token, self._abort_token])
self.assertFalse(self._archiver.archive_if_aborted())
self._verify_get_instance_tokens()
def test_archive_if_aborted(self):
self._prepare_get_instance_tokens([self._job_token, self._abort_token])
self.assertTrue(self._archiver.archive_if_aborted())
self._verify_get_instance_tokens()
self._verify_archive_tokens([self._job_token, self._abort_token])
