132 lines
4.2 KiB
Python
132 lines
4.2 KiB
Python
# -*- coding: utf-8 -*- #
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# Copyright 2023 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 adding an empty route policy to 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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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.command_lib.util.apis import arg_utils
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@base.UniverseCompatible
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class AddRoutePolicy(base.UpdateCommand):
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"""Add an empty route policy to a Compute Engine router."""
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ROUTER_ARG = None
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@classmethod
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def Args(cls, parser):
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AddRoutePolicy.ROUTER_ARG = flags.RouterArgument()
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AddRoutePolicy.ROUTER_ARG.AddArgument(parser, operation_type='update')
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parser.add_argument(
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'--policy-name',
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help="""Name of the route policy to add.""",
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required=True,
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)
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parser.add_argument(
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'--policy-type',
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type=arg_utils.ChoiceToEnumName,
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choices={
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'IMPORT': 'The route policy is an import policy.',
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'EXPORT': 'The route policy is an export policy.',
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},
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help="""Type of the route policy to add.""",
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required=True,
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)
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def Run(self, args):
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"""Issues the requests needed for adding an empty route policy to a Router.
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Args:
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args: contains arguments passed to the command.
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Returns:
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The result of patching the router adding the empty route policy.
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"""
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holder = base_classes.ComputeApiHolder(self.ReleaseTrack())
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client = holder.client
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router_ref = AddRoutePolicy.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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route_policy = client.messages.RoutePolicy(
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name=args.policy_name,
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type=client.messages.RoutePolicy.TypeValueValuesEnum(
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self.ConvertRouteType(args.policy_type)
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),
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)
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self.RequireRoutePolicyDoesNotExist(client, router_ref, args.policy_name)
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request = (
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client.apitools_client.routers,
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'UpdateRoutePolicy',
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client.messages.ComputeRoutersUpdateRoutePolicyRequest(
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**router_ref.AsDict(), routePolicy=route_policy
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),
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)
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return client.MakeRequests([request])[0]
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def RequireRoutePolicyDoesNotExist(self, client, router_ref, policy_name):
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request = (
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client.apitools_client.routers,
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'GetRoutePolicy',
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client.messages.ComputeRoutersGetRoutePolicyRequest(
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**router_ref.AsDict(), policy=policy_name
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),
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)
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try:
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client.MakeRequests([request])
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except Exception as exception:
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if (
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"Could not fetch resource:\n - Invalid value for field 'policy': "
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in exception.__str__()
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):
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return
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raise
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raise exceptions.BadArgumentException(
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'policy-name', "A policy named '{0}' already exists".format(policy_name)
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)
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def ConvertRouteType(self, route_type):
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if route_type == 'IMPORT':
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return 'ROUTE_POLICY_TYPE_IMPORT'
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elif route_type == 'EXPORT':
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return 'ROUTE_POLICY_TYPE_EXPORT'
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else:
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return route_type
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AddRoutePolicy.detailed_help = {
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'DESCRIPTION': """\
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*{command}* adds an empty route policy to a Compute Engine router.
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""",
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'EXAMPLES': """\
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To add an import route policy `my-policy` to a router `my-router` in region `us-central1`, run:
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$ {command} my-router --region=us-central1 --policy-name=my-policy --policy-type=IMPORT
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""",
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}
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