Exemplo n.º 1
0
    def run_pipeline(self, pipeline):
        if not hasattr(self, '_desired_cache_labels'):
            self._desired_cache_labels = set()

        # Invoke a round trip through the runner API. This makes sure the Pipeline
        # proto is stable.
        pipeline = beam.pipeline.Pipeline.from_runner_api(
            pipeline.to_runner_api(), pipeline.runner, pipeline._options)

        # Snapshot the pipeline in a portable proto before mutating it.
        pipeline_proto, original_context = pipeline.to_runner_api(
            return_context=True)
        pcolls_to_pcoll_id = self._pcolls_to_pcoll_id(pipeline,
                                                      original_context)

        analyzer = pipeline_analyzer.PipelineAnalyzer(
            self._cache_manager, pipeline_proto, self._underlying_runner,
            pipeline._options, self._desired_cache_labels)
        # Should be only accessed for debugging purpose.
        self._analyzer = analyzer

        pipeline_to_execute = beam.pipeline.Pipeline.from_runner_api(
            analyzer.pipeline_proto_to_execute(), self._underlying_runner,
            pipeline._options)

        pipeline_info = pipeline_analyzer.PipelineInfo(
            pipeline_proto.components)

        display = display_manager.DisplayManager(
            pipeline_info=pipeline_info,
            pipeline_proto=pipeline_proto,
            caches_used=analyzer.caches_used(),
            cache_manager=self._cache_manager,
            referenced_pcollections=analyzer.
            top_level_referenced_pcollection_ids(),
            required_transforms=analyzer.top_level_required_transforms(),
            pipeline_graph_renderer=self._renderer)
        display.start_periodic_update()
        result = pipeline_to_execute.run()
        result.wait_until_finish()
        display.stop_periodic_update()

        return PipelineResult(result, self, pipeline_info, self._cache_manager,
                              pcolls_to_pcoll_id)
Exemplo n.º 2
0
    def run_pipeline(self, pipeline, options):
        if not hasattr(self, '_desired_cache_labels'):
            self._desired_cache_labels = set()

        # Invoke a round trip through the runner API. This makes sure the Pipeline
        # proto is stable.
        pipeline = beam.pipeline.Pipeline.from_runner_api(
            pipeline.to_runner_api(use_fake_coders=True), pipeline.runner,
            options)

        # Snapshot the pipeline in a portable proto before mutating it.
        pipeline_proto, original_context = pipeline.to_runner_api(
            return_context=True, use_fake_coders=True)
        pcolls_to_pcoll_id = self._pcolls_to_pcoll_id(pipeline,
                                                      original_context)

        analyzer = pipeline_analyzer.PipelineAnalyzer(
            self._cache_manager, pipeline_proto, self._underlying_runner,
            options, self._desired_cache_labels)
        # Should be only accessed for debugging purpose.
        self._analyzer = analyzer

        pipeline_to_execute = beam.pipeline.Pipeline.from_runner_api(
            analyzer.pipeline_proto_to_execute(), self._underlying_runner,
            options)

        if not self._skip_display:
            display = display_manager.DisplayManager(
                pipeline_proto=pipeline_proto,
                pipeline_analyzer=analyzer,
                cache_manager=self._cache_manager,
                pipeline_graph_renderer=self._renderer)
            display.start_periodic_update()

        result = pipeline_to_execute.run()
        result.wait_until_finish()

        if not self._skip_display:
            display.stop_periodic_update()

        return PipelineResult(result, self, self._analyzer.pipeline_info(),
                              self._cache_manager, pcolls_to_pcoll_id)