74 lines
2.4 KiB
Python
74 lines
2.4 KiB
Python
# -*- coding: utf-8 -*- #
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# Copyright 2015 Google LLC. All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Implementation of gcloud dataflow jobs export-steps command."""
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from __future__ import absolute_import
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from __future__ import division
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from __future__ import unicode_literals
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from googlecloudsdk.api_lib.dataflow import apis
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from googlecloudsdk.api_lib.dataflow import step_graph
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from googlecloudsdk.api_lib.dataflow import step_json
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from googlecloudsdk.calliope import base
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from googlecloudsdk.command_lib.dataflow import job_utils
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from googlecloudsdk.core import log
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@base.ReleaseTracks(base.ReleaseTrack.ALPHA, base.ReleaseTrack.BETA)
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class ExportSteps(base.Command):
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"""Exports information about the steps for the given job.
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The only currently supported format is to a GraphViz dot file.
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"""
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@staticmethod
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def Args(parser):
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"""Register flags for this command.
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Args:
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parser: argparse.ArgumentParser to register arguments with.
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"""
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job_utils.ArgsForJobRef(parser)
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def Run(self, args):
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"""Runs the command.
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Args:
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args: All the arguments that were provided to this command invocation.
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Returns:
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An iterator over the steps in the given job.
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"""
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job_ref = job_utils.ExtractJobRef(args)
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return step_json.ExtractSteps(
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apis.Jobs.Get(
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job_ref.jobId,
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project_id=job_ref.projectId,
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region_id=job_ref.location,
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view=apis.Jobs.GET_REQUEST.ViewValueValuesEnum.JOB_VIEW_ALL))
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def Display(self, args, steps):
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"""This method is called to print the result of the Run() method.
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Args:
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args: all the arguments that were provided to this command invocation.
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steps: The step information returned from Run().
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"""
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if steps:
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for line in step_graph.YieldGraphviz(steps, 'StepGraph'):
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log.out.write(line)
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log.out.write('\n')
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