# -*- coding: utf-8 -*- # # Copyright 2016 Google LLC. All Rights Reserved. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. """Causes a high-availability Cloud SQL instance to failover to its replica.""" from googlecloudsdk.api_lib.sql import api_util from googlecloudsdk.api_lib.sql import operations from googlecloudsdk.api_lib.sql import validate from googlecloudsdk.calliope import base from googlecloudsdk.command_lib.sql import flags from googlecloudsdk.core import properties from googlecloudsdk.core.console import console_io @base.ReleaseTracks(base.ReleaseTrack.GA, base.ReleaseTrack.BETA, base.ReleaseTrack.ALPHA) class Failover(base.Command): """Causes a high-availability Cloud SQL instance to failover.""" @staticmethod def Args(parser): """Args is called by calliope to gather arguments for this command.""" parser.add_argument( 'instance', completer=flags.InstanceCompleter, help='Cloud SQL instance ID.') base.ASYNC_FLAG.AddToParser(parser) def Run(self, args): """Calls the failover api method. Args: args: argparse.Namespace, The arguments that this command was invoked with. Returns: A dict object representing the operations resource describing the failover operation if the failover was successful. """ client = api_util.SqlClient(api_util.API_VERSION_DEFAULT) sql_client = client.sql_client sql_messages = client.sql_messages validate.ValidateInstanceName(args.instance) instance_ref = client.resource_parser.Parse( args.instance, params={'project': properties.VALUES.core.project.GetOrFail}, collection='sql.instances') console_io.PromptContinue( message='Failover will be initiated. Existing connections to the ' 'primary instance will break and no new connection can be established ' 'during the failover.', default=True, cancel_on_no=True) instance = sql_client.instances.Get( sql_messages.SqlInstancesGetRequest( project=instance_ref.project, instance=instance_ref.instance)) request = sql_messages.SqlInstancesFailoverRequest( project=instance_ref.project, instance=instance_ref.instance, instancesFailoverRequest=sql_messages.InstancesFailoverRequest( failoverContext=sql_messages.FailoverContext( kind='sql#failoverContext', settingsVersion=instance.settings.settingsVersion))) result_operation = sql_client.instances.Failover(request) operation_ref = client.resource_parser.Create( 'sql.operations', operation=result_operation.name, project=instance_ref.project) if args.async_: return sql_client.operations.Get( sql_messages.SqlOperationsGetRequest( project=operation_ref.project, operation=operation_ref.operation)) operations.OperationsV1Beta4.WaitForOperation( sql_client, operation_ref, 'Failing over Cloud SQL instance') return None