leiyiz commented on a change in pull request #12709:
URL: https://github.com/apache/beam/pull/12709#discussion_r483274611
##########
File path:
sdks/python/apache_beam/testing/benchmarks/nexmark/nexmark_launcher.py
##########
@@ -200,46 +233,128 @@ def generate_events(self):
logging.info('Finished event generation.')
+ def read_from_file(self):
+ return (
+ self.pipeline
+ | 'reading_from_file' >> beam.io.ReadFromText(self.args.input)
+ | 'deserialization' >> beam.ParDo(nexmark_util.ParseJsonEventFn())
+ | 'timestamping' >>
+ beam.Map(lambda e: window.TimestampedValue(e, e.date_time)))
+
+ def read_from_pubsub(self):
# Read from PubSub into a PCollection.
- if self.args.subscription_name:
- raw_events = self.pipeline | 'ReadPubSub' >> beam.io.ReadFromPubSub(
- subscription=sub.full_name)
+ if self.subscription_name:
+ raw_events = self.pipeline | 'ReadPubSub_sub' >> beam.io.ReadFromPubSub(
+ subscription=self.subscription_name,
+ with_attributes=True,
+ id_label='id',
+ timestamp_attribute='timestamp')
else:
- raw_events = self.pipeline | 'ReadPubSub' >> beam.io.ReadFromPubSub(
- topic=topic.full_name)
- raw_events = (
+ raw_events = self.pipeline | 'ReadPubSub_topic' >>
beam.io.ReadFromPubSub(
+ topic=self.topic_name,
+ with_attributes=True,
+ id_label='id',
+ timestamp_attribute='timestamp')
+ events = (
raw_events
- | 'deserialization' >> beam.ParDo(nexmark_util.ParseJsonEvnetFn())
- | 'timestamping' >>
- beam.Map(lambda e: window.TimestampedValue(e, e.date_time)))
- return raw_events
+ | 'pubsub_unwrap' >> beam.Map(lambda m: m.data)
+ | 'deserialization' >> beam.ParDo(nexmark_util.ParseJsonEventFn()))
+ return events
def run_query(self, query, query_args, query_errors):
try:
- self.parse_args()
self.pipeline = beam.Pipeline(options=self.pipeline_options)
nexmark_util.setup_coder()
event_monitor = Monitor('.events', 'event')
result_monitor = Monitor('.results', 'result')
- events = self.generate_events()
+ if self.streaming:
+ if self.pubsub_mode != 'SUBSCRIBE_ONLY':
+ self.generate_events()
+ if self.pubsub_mode == 'PUBLISH_ONLY':
+ return
+ events = self.read_from_pubsub()
+ else:
+ events = self.read_from_file()
+
events = events | 'event_monitor' >> beam.ParDo(event_monitor.doFn)
output = query.load(events, query_args)
output | 'result_monitor' >> beam.ParDo(result_monitor.doFn) # pylint:
disable=expression-not-assigned
result = self.pipeline.run()
- job_duration = (
-
self.pipeline_options.view_as(TestOptions).wait_until_finish_duration)
- if self.pipeline_options.view_as(StandardOptions).runner ==
'DataflowRunner': # pylint: disable=line-too-long
- result.wait_until_finish(duration=job_duration)
- result.cancel()
+ if self.runner == 'DataflowRunner':
+ result.wait_until_finish(duration=self.wait_until_finish_duration)
Review comment:
Don't we need to wait for a little bit for the python pipeline to spin
up?
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