108 lines
3.4 KiB
Python
108 lines
3.4 KiB
Python
# -*- coding: utf-8 -*- #
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# Copyright 2019 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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"""CRM operations utilities."""
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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.resource_manager import tags
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from googlecloudsdk.api_lib.util import waiter
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from googlecloudsdk.core import exceptions
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from googlecloudsdk.core import resources
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class OperationError(exceptions.Error):
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pass
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class ReturnOperationPoller(waiter.CloudOperationPoller):
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"""Polls for operations that retrieve the operation rather than the resource.
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This is needed for Delete operations, where the response is Empty. It is also
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needed for services that do not have a Get* method, such as TagBindings.
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"""
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def __init__(self, operation_service):
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"""Sets up poller for polling operations.
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Args:
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operation_service: apitools.base.py.base_api.BaseApiService, api service
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for retrieving information about ongoing operation.
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"""
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self.operation_service = operation_service
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def GetResult(self, operation):
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"""Overrides.
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Response for Deletion Operation is of type google.protobuf.Empty and hence
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we can return the operation itself as the result. For operations without a
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Get[Resource] method, we have no choice but to return the operation.
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Args:
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operation: api_name_messages.Operation.
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Returns:
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operation
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"""
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return operation
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def WaitForReturnOperation(operation, message):
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"""Waits for the given google.longrunning.Operation to complete.
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Args:
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operation: The operation to poll.
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message: String to display for default progress_tracker.
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Raises:
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apitools.base.py.HttpError: if the request returns an HTTP error
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Returns:
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operation
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"""
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poller = ReturnOperationPoller(tags.OperationsService())
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return _WaitForOperation(operation, message, poller)
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def WaitForOperation(operation, message, service):
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"""Waits for the given google.longrunning.Operation to complete.
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Args:
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operation: The operation to poll.
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message: String to display for default progress_tracker.
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service: The service to get the resource after the long running operation
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completes.
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Raises:
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apitools.base.py.HttpError: if the request returns an HTTP error
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Returns:
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The TagKey or TagValue resource.
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"""
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poller = waiter.CloudOperationPoller(service, tags.OperationsService())
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return _WaitForOperation(operation, message, poller)
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def _WaitForOperation(operation, message, poller):
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if poller.IsDone(operation):
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# Use the poller to get the result so it prints the same regardless if the
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# Operation is immediately done or not.
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return poller.GetResult(operation)
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operation_ref = resources.REGISTRY.Parse(
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operation.name, collection='cloudresourcemanager.operations')
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return waiter.WaitFor(poller, operation_ref, message)
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