118 lines
4.2 KiB
Python
118 lines
4.2 KiB
Python
# -*- coding: utf-8 -*- #
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# Copyright 2020 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 removing a NAT 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 textwrap
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from apitools.base.py import encoding
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from googlecloudsdk.api_lib.compute import base_classes
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from googlecloudsdk.api_lib.compute import utils
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from googlecloudsdk.calliope import base
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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 as routers_flags
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from googlecloudsdk.command_lib.compute.routers.nats import flags as nats_flags
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from googlecloudsdk.command_lib.compute.routers.nats import nats_utils
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class AlphaDelete(base.DeleteCommand):
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"""Remove a NAT from a Compute Engine router.
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*{command}* removes a NAT 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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cls.ROUTER_ARG = routers_flags.RouterArgumentForNat()
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cls.ROUTER_ARG.AddArgument(parser)
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compute_flags.AddRegionFlag(
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parser, 'NAT', operation_type='delete', plural=True)
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nats_flags.AddNatNameArg(parser, operation_type='delete', plural=True)
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def _GetPatchRequest(self, client, router_ref, replacement):
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return (client.apitools_client.routers, 'Patch',
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client.messages.ComputeRoutersPatchRequest(
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router=router_ref.Name(),
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routerResource=replacement,
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region=router_ref.region,
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project=router_ref.project))
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def Modify(self, args, existing, cleared_fields):
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"""Mutate the router and record any cleared_fields for Patch request."""
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replacement = encoding.CopyProtoMessage(existing)
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for name in args.name:
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nat = nats_utils.FindNatOrRaise(replacement, name)
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replacement.nats.remove(nat)
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# If all NATs have been removed, add this field to cleared_fields.
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if not replacement.nats:
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cleared_fields.append('nats')
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return replacement
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def Run(self, args):
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holder = base_classes.ComputeApiHolder(self.ReleaseTrack())
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client = holder.client
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router_ref = self.ROUTER_ARG.ResolveAsResource(args, holder.resources)
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objects = client.MakeRequests(
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[(client.apitools_client.routers, 'Get',
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client.messages.ComputeRoutersGetRequest(**router_ref.AsDict()))])
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# Cleared list fields need to be explicitly identified for Patch API.
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cleared_fields = []
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new_object = self.Modify(args, objects[0], cleared_fields)
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utils.PromptForDeletionHelper(
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'NAT', ['{} in router {}'.format(args.name, router_ref.Name())])
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with client.apitools_client.IncludeFields(cleared_fields):
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# There is only one response because one request is made above
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result = client.MakeRequests(
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[self._GetPatchRequest(client, router_ref, new_object)])
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return result
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AlphaDelete.detailed_help = {
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'DESCRIPTION':
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textwrap.dedent("""\
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*{command}* is used to delete a NAT on a Compute Engine router.
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"""),
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'EXAMPLES':
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"""\
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To delete NAT 'n1' in router 'r1', run:
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$ {command} n1 --router=r1 --region=us-central1
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""",
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'API REFERENCE':
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"""\
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This command, when specified without alpha or beta, uses the compute/v1/routers API. The full documentation
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for this API can be found at: https://cloud.google.com/compute/docs/reference/rest/v1/routers/
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The beta command uses the compute/beta/routers API. The full documentation
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for this API can be found at: https://cloud.google.com/compute/docs/reference/rest/beta/routers/
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The alpha command uses the compute/alpha/routers API. Full documentation is not available for the alpha API.
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"""
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}
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