135 lines
5.1 KiB
Python
135 lines
5.1 KiB
Python
# -*- coding: utf-8 -*- #
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# Copyright 2017 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 to update labels for target VPN gateways."""
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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.compute import base_classes
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from googlecloudsdk.api_lib.compute.operations import poller
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from googlecloudsdk.api_lib.util import waiter
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from googlecloudsdk.calliope import base
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from googlecloudsdk.calliope import exceptions as calliope_exceptions
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from googlecloudsdk.command_lib.compute import flags as compute_flags
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from googlecloudsdk.command_lib.compute.target_vpn_gateways import flags as target_vpn_gateway_flags
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from googlecloudsdk.command_lib.util.args import labels_util
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@base.ReleaseTracks(base.ReleaseTrack.ALPHA, base.ReleaseTrack.BETA)
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class Update(base.UpdateCommand):
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r"""Update a Compute Engine Cloud VPN Classic Target VPN Gateway.
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*{command}* updates labels for a Compute Engine Cloud VPN Classic
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Target VPN gateway. For example:
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$ {command} example-gateway --region us-central1 \
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--update-labels=k0=value1,k1=value2 --remove-labels=k3
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will add/update labels ``k0'' and ``k1'' and remove labels with key ``k3''.
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Labels can be used to identify the target VPN gateway and to filter them as in
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$ {parent_command} list --filter='labels.k1:value2'
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To list existing labels
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$ {parent_command} describe example-gateway --format="default(labels)"
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"""
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TARGET_VPN_GATEWAY_ARG = None
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@classmethod
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def Args(cls, parser):
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"""Adds arguments to the supplied parser.
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Args:
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parser: The argparse parser to add arguments to.
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"""
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cls.TARGET_VPN_GATEWAY_ARG = (
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target_vpn_gateway_flags.TargetVpnGatewayArgument())
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cls.TARGET_VPN_GATEWAY_ARG.AddArgument(parser)
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labels_util.AddUpdateLabelsFlags(parser)
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def _CreateRegionalSetLabelsRequest(self, messages, target_vpn_gateway_ref,
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target_vpn_gateway, replacement):
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"""Creates the API request to update labels on a Target VPN Gateway.
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Args:
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messages: Module with request messages.
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target_vpn_gateway_ref: Resource reference for the target VPN gateway.
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target_vpn_gateway: The target_vpn_gateway being updated.
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replacement: A new labels request proto representing the update and remove
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edits.
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Returns:
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Request to be sent to update the target VPN gateway's labels.
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"""
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return messages.ComputeTargetVpnGatewaysSetLabelsRequest(
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project=target_vpn_gateway_ref.project,
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resource=target_vpn_gateway_ref.Name(),
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region=target_vpn_gateway_ref.region,
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regionSetLabelsRequest=messages.RegionSetLabelsRequest(
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labelFingerprint=target_vpn_gateway.labelFingerprint,
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labels=replacement))
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def Run(self, args):
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"""Issues API requests to update a Target VPN Gateway.
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Args:
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args: argparse.Namespace, The arguments received by this command.
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Returns:
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[protorpc.messages.Message], A list of responses returned
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by the compute API.
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"""
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holder = base_classes.ComputeApiHolder(self.ReleaseTrack())
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client = holder.client.apitools_client
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messages = holder.client.messages
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target_vpn_gateway_ref = self.TARGET_VPN_GATEWAY_ARG.ResolveAsResource(
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args,
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holder.resources,
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scope_lister=compute_flags.GetDefaultScopeLister(holder.client))
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labels_diff = labels_util.Diff.FromUpdateArgs(args)
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if not labels_diff.MayHaveUpdates():
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raise calliope_exceptions.RequiredArgumentException(
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'LABELS', 'At least one of --update-labels or '
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'--remove-labels must be specified.')
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target_vpn_gateway = client.targetVpnGateways.Get(
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messages.ComputeTargetVpnGatewaysGetRequest(
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**target_vpn_gateway_ref.AsDict()))
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labels_value = messages.RegionSetLabelsRequest.LabelsValue
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labels_update = labels_diff.Apply(labels_value, target_vpn_gateway.labels)
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if not labels_update.needs_update:
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return target_vpn_gateway
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request = self._CreateRegionalSetLabelsRequest(
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messages, target_vpn_gateway_ref, target_vpn_gateway,
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labels_update.labels)
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operation = client.targetVpnGateways.SetLabels(request)
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operation_ref = holder.resources.Parse(
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operation.selfLink, collection='compute.regionOperations')
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operation_poller = poller.Poller(client.targetVpnGateways)
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return waiter.WaitFor(operation_poller, operation_ref,
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'Updating labels of target VPN gateway [{0}]'.format(
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target_vpn_gateway_ref.Name()))
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