69 lines
2.4 KiB
Python
69 lines
2.4 KiB
Python
# -*- coding: utf-8 -*- #
|
|
# Copyright 2015 Google LLC. All Rights Reserved.
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
|
# you may not use this file except in compliance with the License.
|
|
# You may obtain a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
# See the License for the specific language governing permissions and
|
|
# limitations under the License.
|
|
|
|
"""Implementation of gcloud dataflow jobs drain command.
|
|
"""
|
|
|
|
from __future__ import absolute_import
|
|
from __future__ import division
|
|
from __future__ import unicode_literals
|
|
|
|
from googlecloudsdk.api_lib.dataflow import apis
|
|
from googlecloudsdk.api_lib.util import exceptions
|
|
from googlecloudsdk.calliope import base
|
|
from googlecloudsdk.command_lib.dataflow import job_utils
|
|
from googlecloudsdk.core import log
|
|
|
|
|
|
@base.ReleaseTracks(base.ReleaseTrack.BETA, base.ReleaseTrack.GA)
|
|
@base.DefaultUniverseOnly
|
|
class Drain(base.Command):
|
|
"""Drains all jobs that match the command line arguments.
|
|
|
|
Once Drain is triggered, the pipeline will stop accepting new inputs.
|
|
The input watermark will be advanced to infinity. Elements already in the
|
|
pipeline will continue to be processed. Drained jobs can safely be
|
|
cancelled.
|
|
"""
|
|
|
|
@staticmethod
|
|
def Args(parser):
|
|
"""Register flags for this command."""
|
|
job_utils.ArgsForJobRefs(parser, nargs='+')
|
|
|
|
def Run(self, args):
|
|
"""This is what gets called when the user runs this command.
|
|
|
|
Args:
|
|
args: all the arguments that were provided to this command invocation.
|
|
"""
|
|
for job_ref in job_utils.ExtractJobRefs(args):
|
|
try:
|
|
apis.Jobs.Drain(
|
|
job_ref.jobId,
|
|
project_id=job_ref.projectId,
|
|
region_id=job_ref.location)
|
|
log.status.Print('Started draining job [{0}]'.format(job_ref.jobId))
|
|
except exceptions.HttpException as error:
|
|
log.status.Print(
|
|
(
|
|
"Failed to drain job [{0}]: {1} Ensure that you have permission"
|
|
" to access the job and that the `--region` flag, {2}, matches"
|
|
" the job's region."
|
|
).format(
|
|
job_ref.jobId, error.payload.status_message, job_ref.location
|
|
)
|
|
)
|