107 lines
3.6 KiB
Python
107 lines
3.6 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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"""Utilities for handling API endpoint overrides."""
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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.container.fleet import gkehub_api_util
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from googlecloudsdk.api_lib.container.fleet.connectgateway import util as connectgateway_api_util
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from googlecloudsdk.api_lib.util import apis as core_apis
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from googlecloudsdk.core import exceptions
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from googlecloudsdk.core import properties
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class RegionalGatewayEndpoint:
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"""Context manager for connecting to a particular regional Connect Gateway endpoint.
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This uses the provided region to temporarily override
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`api_endpoint_overrides/connectgateway` to a regional endpoint. If the
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`gkehub` endpoint is overridden, the `connectgateway` endpoint will use the
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same environment.
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This context manager is a no-op if the `connectgateway` endpoint is already
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overridden.
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"""
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API_NAME = connectgateway_api_util.API_NAME
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API_VERSION = connectgateway_api_util.VERSION_MAP[
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connectgateway_api_util.DEFAULT_TRACK
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]
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def __init__(self, region: str):
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"""Initializes the context manager.
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Args:
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region: The Connect Gateway region to connect to.
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Raises:
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exceptions.Error: If `region` is Falsy.
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"""
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if not region:
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raise exceptions.Error(
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'A region must be provided for the Gateway endpoint.'
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)
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self.region = region
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# The overridden endpoint value.
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self.endpoint: str = ''
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# The Connect Gateway endpoint override property.
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self.override = properties.VALUES.api_endpoint_overrides.Property(
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self.API_NAME
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)
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self._original_endpoint: str = ''
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def __enter__(self):
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try:
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hub_override = properties.VALUES.api_endpoint_overrides.Property(
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gkehub_api_util.GKEHUB_API_NAME
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).Get()
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hub_version = gkehub_api_util.GKEHUB_GA_API_VERSION
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except properties.NoSuchPropertyError:
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hub_override = None
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hub_version = None
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if hub_override:
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subdomain_endpoint = core_apis.GetEffectiveApiEndpoint(
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gkehub_api_util.GKEHUB_API_NAME, hub_version
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)
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else:
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subdomain_endpoint = core_apis.GetEffectiveApiEndpoint(
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self.API_NAME, self.API_VERSION
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)
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if hub_override:
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subdomain_endpoint = hub_override.replace('gkehub', 'connectgateway')
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if self.region == 'global' or self.region in subdomain_endpoint:
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self.endpoint = subdomain_endpoint
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else:
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if subdomain_endpoint.startswith('https://'):
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self.endpoint = f'https://{self.region}-{subdomain_endpoint[8:]}'
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elif subdomain_endpoint.startswith('http://'):
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self.endpoint = f'http://{self.region}-{subdomain_endpoint[7:]}'
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else:
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raise exceptions.Error(
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f'Invalid Connect Gateway endpoint: {subdomain_endpoint}'
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)
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self._original_endpoint = self.override.Get()
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self.override.Set(self.endpoint)
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return self
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def __exit__(self, exc_type, exc_value, traceback):
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self.override.Set(self._original_endpoint)
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