101 lines
3.6 KiB
Python
101 lines
3.6 KiB
Python
# -*- coding: utf-8 -*- #
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# Copyright 2016 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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"""Causes a high-availability Cloud SQL instance to failover to its replica."""
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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.sql import api_util
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from googlecloudsdk.api_lib.sql import operations
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from googlecloudsdk.api_lib.sql import validate
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from googlecloudsdk.calliope import base
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from googlecloudsdk.command_lib.sql import flags
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from googlecloudsdk.core import properties
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from googlecloudsdk.core.console import console_io
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@base.ReleaseTracks(base.ReleaseTrack.GA, base.ReleaseTrack.BETA,
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base.ReleaseTrack.ALPHA)
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class Failover(base.Command):
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"""Causes a high-availability Cloud SQL instance to failover."""
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@staticmethod
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def Args(parser):
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"""Args is called by calliope to gather arguments for this command."""
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parser.add_argument(
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'instance',
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completer=flags.InstanceCompleter,
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help='Cloud SQL instance ID.')
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base.ASYNC_FLAG.AddToParser(parser)
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def Run(self, args):
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"""Calls the failover api method.
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Args:
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args: argparse.Namespace, The arguments that this command was invoked
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with.
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Returns:
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A dict object representing the operations resource describing the failover
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operation if the failover was successful.
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"""
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client = api_util.SqlClient(api_util.API_VERSION_DEFAULT)
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sql_client = client.sql_client
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sql_messages = client.sql_messages
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validate.ValidateInstanceName(args.instance)
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instance_ref = client.resource_parser.Parse(
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args.instance,
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params={'project': properties.VALUES.core.project.GetOrFail},
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collection='sql.instances')
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console_io.PromptContinue(
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message='Failover will be initiated. Existing connections to the '
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'primary instance will break and no new connection can be established '
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'during the failover.',
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default=True,
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cancel_on_no=True)
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instance = sql_client.instances.Get(
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sql_messages.SqlInstancesGetRequest(
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project=instance_ref.project, instance=instance_ref.instance))
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request = sql_messages.SqlInstancesFailoverRequest(
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project=instance_ref.project,
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instance=instance_ref.instance,
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instancesFailoverRequest=sql_messages.InstancesFailoverRequest(
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failoverContext=sql_messages.FailoverContext(
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kind='sql#failoverContext',
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settingsVersion=instance.settings.settingsVersion)))
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result_operation = sql_client.instances.Failover(request)
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operation_ref = client.resource_parser.Create(
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'sql.operations',
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operation=result_operation.name,
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project=instance_ref.project)
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if args.async_:
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return sql_client.operations.Get(
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sql_messages.SqlOperationsGetRequest(
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project=operation_ref.project,
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operation=operation_ref.operation))
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operations.OperationsV1Beta4.WaitForOperation(
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sql_client, operation_ref, 'Failing over Cloud SQL instance')
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return None
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