102 lines
3.5 KiB
Python
102 lines
3.5 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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"""Command to trigger a database failover."""
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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.composer import environments_util as environments_api_util
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from googlecloudsdk.api_lib.composer import operations_util as operations_api_util
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from googlecloudsdk.api_lib.composer import util as api_util
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from googlecloudsdk.calliope import base
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from googlecloudsdk.command_lib.composer import resource_args
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from googlecloudsdk.command_lib.composer import util as command_util
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from googlecloudsdk.core import log
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import six
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DETAILED_HELP = {
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'EXAMPLES': """\
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To run a manual database failover on the environment named ``environment-1'', run:
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$ {command} environment-1
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"""
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}
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class DatabaseFailover(base.Command):
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"""Run a database failover operation."""
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detailed_help = DETAILED_HELP
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@staticmethod
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def Args(parser):
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resource_args.AddEnvironmentResourceArg(
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parser, 'for which to trigger a database failover'
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)
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base.ASYNC_FLAG.AddToParser(parser)
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@staticmethod
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def _ValidateEnvironment(env_obj, release_track):
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messages = api_util.GetMessagesModule(release_track=release_track)
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if (
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env_obj.config.resilienceMode is None
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or env_obj.config.resilienceMode
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== messages.EnvironmentConfig.ResilienceModeValueValuesEnum.RESILIENCE_MODE_UNSPECIFIED
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):
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raise command_util.InvalidUserInputError(
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'Cannot trigger a database failover'
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' for environments without enabled high resilience mode.'
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)
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def Run(self, args):
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env_ref = args.CONCEPTS.environment.Parse()
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release_track = self.ReleaseTrack()
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env_obj = environments_api_util.Get(env_ref, release_track=release_track)
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self._ValidateEnvironment(env_obj, release_track)
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operation = environments_api_util.DatabaseFailover(
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env_ref, release_track=release_track
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)
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if args.async_:
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return self._AsynchronousExecution(env_ref, operation)
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else:
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return self._SynchronousExecution(env_ref, operation)
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def _AsynchronousExecution(self, env_resource, operation):
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details = 'with operation [{0}]'.format(operation.name)
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log.UpdatedResource(
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env_resource.RelativeName(),
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kind='environment',
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is_async=True,
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details=details,
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)
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return operation
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def _SynchronousExecution(self, env_resource, operation):
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try:
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operations_api_util.WaitForOperation(
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operation,
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'Waiting for [{}] to be updated with [{}]'.format(
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env_resource.RelativeName(), operation.name
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),
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release_track=self.ReleaseTrack(),
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)
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except command_util.Error as e:
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raise command_util.Error(
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'Error triggerering a database failover [{}]: {}'.format(
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env_resource.RelativeName(), six.text_type(e)
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)
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)
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