95 lines
3.2 KiB
Python
95 lines
3.2 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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"""Utilities for dealing with long-running operations (simple uri)."""
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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 apis
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from googlecloudsdk.api_lib.util import waiter
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from googlecloudsdk.command_lib.ai import constants
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def GetClientInstance(api_version=None, no_http=False):
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return apis.GetClientInstance(
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constants.AI_PLATFORM_API_NAME, api_version, no_http=no_http)
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class AiPlatformOperationPoller(waiter.CloudOperationPoller):
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"""Poller for AI Platform operations API.
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This is necessary because the core operations library doesn't directly support
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simple_uri.
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"""
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def __init__(self, client):
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self.client = client
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super(AiPlatformOperationPoller, self).__init__(
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self.client.client.projects_locations_operations,
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self.client.client.projects_locations_operations)
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def Poll(self, operation_ref):
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return self.client.Get(operation_ref)
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def GetResult(self, operation):
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return operation
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class OperationsClient(object):
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"""High-level client for the AI Platform operations surface."""
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def __init__(self,
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client=None,
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messages=None,
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version=constants.BETA_VERSION):
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self.client = client or GetClientInstance(
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constants.AI_PLATFORM_API_VERSION[version])
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self.messages = messages or self.client.MESSAGES_MODULE
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def Get(self, operation_ref):
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return self.client.projects_locations_operations.Get(
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self.messages.AiplatformProjectsLocationsOperationsGetRequest(
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name=operation_ref.RelativeName()))
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def WaitForOperation(
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self, operation, operation_ref, message=None, max_wait_ms=1800000
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):
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"""Wait until the operation is complete or times out.
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Args:
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operation: The operation resource to wait on
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operation_ref: The operation reference to the operation resource. It's the
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result by calling resources.REGISTRY.Parse
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message: str, the message to print while waiting.
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max_wait_ms: int, number of ms to wait before raising WaitException.
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Returns:
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The operation resource when it has completed
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Raises:
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OperationTimeoutError: when the operation polling times out
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OperationError: when the operation completed with an error
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"""
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poller = AiPlatformOperationPoller(self)
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if poller.IsDone(operation):
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return operation
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if message is None:
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message = 'Waiting for operation [{}]'.format(operation_ref.Name())
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return waiter.WaitFor(
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poller, operation_ref, message, max_wait_ms=max_wait_ms
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)
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