def process_event(self, event):
"""!
@brief Run asynchronous processing of an current event.
This function will, based on the status of the event:
* Ask the Adapter to initialize the Job
* Send the Job for execution to the Executor
* Send a finish message to the Adapter
"""
# Checks for real Productstatus events from the message queue
if type(event) is eva.event.ProductstatusResourceEvent:
# Only process messages with the correct version
if event.protocol_version()[0] != 1:
self.logger.warning('Event version is %s, but I am only accepting major version 1. Discarding message.', '.'.join(event.protocol_version()))
self.statsd.incr('event_version_unsupported')
self.remove_event_from_queues(event)
return
# Discard messages that date from an earlier Resource version
if not self.event_matches_object_version(event):
self.logger.warning('Resource object version is %d, expecting it to be equal to the Event object version %d. The message is too old, discarding.', event.data.object_version, event.object_version())
self.statsd.incr('resource_object_version_too_old')
self.remove_event_from_queues(event)
return
# Create event job if it has not been created yet
if not hasattr(event, 'job'):
self.logger.debug('Start processing event: %s', event)
self.instantiate_productstatus_data(event)
resource = event.data
if not self.adapter.validate_resource(resource):
self.logger.debug('Adapter did not validate the current event, skipping.')
self.statsd.incr('productstatus_rejected_events')
self.remove_event_from_queues(event)
else:
self.logger.debug('Creating a Job object for the current event...')
self.statsd.incr('productstatus_accepted_events')
event.job = self.adapter.create_job(event.id(), resource)
if not event.job:
self.logger.debug('No Job object was returned by the adapter; assuming no-op.')
self.remove_event_from_queues(event)
else:
event.job.resource = resource
event.job.timer = self.statsd.timer('execution_time')
event.job.logger.info('Created Job object for event: %s', event)
# Start job if it is not running
elif event.job.initialized():
event.job.logger.info('Sending job to executor for asynchronous execution...')
event.job.timer.start()
self.executor.execute_async(event.job)
event.job.logger.info('Job has been sent successfully to the executor.')
# Check status of the job
elif event.job.started():
if event.job.poll_time_reached():
event.job.logger.debug('Job is running, polling executor for job status...')
self.executor.sync(event.job)
event.job.logger.debug('Finished polling executor for job status.')
# Tell adapter that the job has finished
elif event.job.complete() or event.job.failed():
event.job.timer.stop()
event.job.logger.info('Finished with total time %.1fs; sending to adapter for finishing.', event.job.timer.total_time_msec() / 1000.0)
self.adapter.finish_job(event.job)
self.adapter.generate_and_post_resources(event.job)
event.job.logger.info('Adapter has finished processing the job.')
self.remove_event_from_queues(event)
self.logger.debug('Finished processing event: %s', event)
def test_productstatus_event_factory_unrecognized(self):
event = eva.event.ProductstatusBaseEvent.factory(unrecognized_serialized_event)
self.assertIsInstance(event, eva.event.ProductstatusBaseEvent)
self.assertEqual(event.id(), '20000000-0000-0000-0000-000000000002')
self.assertEqual(event.timestamp(), eva.coerce_to_utc(datetime.datetime(2016, 1, 5, 12, 0, 0)))
self.assertEqual(event.protocol_version(), [1, 5, 0])
