100 lines
3.2 KiB
Python
100 lines
3.2 KiB
Python
# -*- coding: utf-8 -*- #
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# Copyright 2024 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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"""Command for downloading a named set from a Compute Engine router."""
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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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import os
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from googlecloudsdk.api_lib.compute import base_classes
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from googlecloudsdk.calliope import base
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from googlecloudsdk.calliope import exceptions
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from googlecloudsdk.command_lib.compute import flags as compute_flags
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from googlecloudsdk.command_lib.compute.routers import flags
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from googlecloudsdk.core.resource import resource_printer
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from googlecloudsdk.core.util import files
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@base.Hidden
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@base.ReleaseTracks(base.ReleaseTrack.ALPHA)
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class DownloadNamedSet(base.DescribeCommand):
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"""Download a named set from a Compute Engine router.
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*{command}* downloads a named set from a Compute Engine router.
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"""
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ROUTER_ARG = None
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@classmethod
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def Args(cls, parser):
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DownloadNamedSet.ROUTER_ARG = flags.RouterArgument()
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DownloadNamedSet.ROUTER_ARG.AddArgument(parser, operation_type='export')
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parser.add_argument(
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'--set-name',
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required=True,
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help='Name of the named set to download.',
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)
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parser.add_argument(
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'--file-name',
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required=True,
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help='The name of the file to download the named set config to.',
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)
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parser.add_argument(
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'--file-format',
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choices=['json', 'yaml'],
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help='Format of the file passed to --file-name',
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)
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def Run(self, args):
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"""Downloads a named set from a Router into the specified file."""
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holder = base_classes.ComputeApiHolder(self.ReleaseTrack())
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client = holder.client
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router_ref = DownloadNamedSet.ROUTER_ARG.ResolveAsResource(
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args,
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holder.resources,
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scope_lister=compute_flags.GetDefaultScopeLister(client),
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)
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if os.path.isdir(args.file_name):
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raise exceptions.BadFileException(
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'[{0}] is a directory'.format(args.file_name)
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)
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named_set = self.GetNamedSet(client, router_ref, args.set_name)
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self.WriteToFile(named_set, args.file_name, args.file_format)
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def GetNamedSet(self, client, router_ref, set_name):
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request = (
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client.apitools_client.routers,
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'GetNamedSet',
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client.messages.ComputeRoutersGetNamedSetRequest(
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**router_ref.AsDict(), namedSet=set_name
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),
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)
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return client.MakeRequests([request])[0]
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def WriteToFile(self, message, file_name, file_format):
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if file_format is None:
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file_format = 'yaml'
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with files.FileWriter(file_name) as export_file:
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resource_printer.Print(
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resources=message,
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print_format=file_format,
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out=export_file,
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)
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