80 lines
2.6 KiB
Python
80 lines
2.6 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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"""Wrapper around serverless_operations CancelFoo for surfaces."""
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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.util import waiter
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from googlecloudsdk.command_lib.run import exceptions as serverless_exceptions
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from googlecloudsdk.core.console import progress_tracker
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class CancellationPoller(waiter.OperationPoller):
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"""Polls for cancellation of a resource."""
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def __init__(self, getter):
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"""Supply getter as the resource getter."""
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self._getter = getter
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self._ret = None
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def IsDone(self, obj):
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return obj is None or obj.conditions.IsTerminal()
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def Poll(self, ref):
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self._ret = self._getter(ref)
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return self._ret
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def GetMessage(self):
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if self._ret and self._ret.conditions:
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return self._ret.conditions.DescriptiveMessage() or ''
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return ''
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def GetResult(self, obj):
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return obj
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def Cancel(ref, getter, canceller, async_):
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"""Cancels a resource for a surface, including a pretty progress tracker."""
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if async_:
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canceller(ref)
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return
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poller = CancellationPoller(getter)
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with progress_tracker.ProgressTracker(
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message='Cancelling [{}]'.format(ref.Name()),
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detail_message_callback=poller.GetMessage,
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):
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canceller(ref)
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res = waiter.PollUntilDone(poller, ref)
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if not res:
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raise serverless_exceptions.CancellationFailedError(
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'Failed to cancel [{}].'.format(ref.Name())
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)
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if res.conditions.IsReady():
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raise serverless_exceptions.CancellationFailedError(
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'[{}] has completed successfully before it could be cancelled.'
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.format(ref.Name())
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)
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if res.conditions.TerminalConditionReason() != 'Cancelled':
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if poller.GetMessage():
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raise serverless_exceptions.CancellationFailedError(
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'Failed to cancel [{}]: {}'.format(ref.Name(), poller.GetMessage())
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)
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else:
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raise serverless_exceptions.CancellationFailedError(
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'Failed to cancel [{}].'.format(ref.Name())
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)
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