将 CreateDBSnapshot 与 Amazon SDK 或 CLI 配合使用 - Amazon Relational Database Service
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CreateDBSnapshot 与 Amazon SDK 或 CLI 配合使用

以下代码示例演示如何使用 CreateDBSnapshot

操作示例是大型程序的代码摘录,必须在上下文中运行。在以下代码示例中,您可以查看此操作的上下文:

.NET
Amazon SDK for .NET
注意

查看 GitHub,了解更多信息。查找完整示例,学习如何在 Amazon 代码示例存储库中进行设置和运行。

/// <summary> /// Create a snapshot of a DB instance. /// </summary> /// <param name="dbInstanceIdentifier">DB instance identifier.</param> /// <param name="snapshotIdentifier">Identifier for the snapshot.</param> /// <returns>DB snapshot object.</returns> public async Task<DBSnapshot> CreateDBSnapshot(string dbInstanceIdentifier, string snapshotIdentifier) { var response = await _amazonRDS.CreateDBSnapshotAsync( new CreateDBSnapshotRequest() { DBSnapshotIdentifier = snapshotIdentifier, DBInstanceIdentifier = dbInstanceIdentifier }); return response.DBSnapshot; }
  • 有关 API 详细信息,请参阅《Amazon SDK for .NET API 参考》中的 CreateDBSnapshot

C++
SDK for C++
注意

查看 GitHub,了解更多信息。查找完整示例,学习如何在 Amazon 代码示例存储库中进行设置和运行。

Aws::Client::ClientConfiguration clientConfig; // Optional: Set to the AWS Region (overrides config file). // clientConfig.region = "us-east-1"; Aws::RDS::RDSClient client(clientConfig); Aws::RDS::Model::CreateDBSnapshotRequest request; request.SetDBInstanceIdentifier(DB_INSTANCE_IDENTIFIER); request.SetDBSnapshotIdentifier(snapshotID); Aws::RDS::Model::CreateDBSnapshotOutcome outcome = client.CreateDBSnapshot(request); if (outcome.IsSuccess()) { std::cout << "Snapshot creation has started." << std::endl; } else { std::cerr << "Error with RDS::CreateDBSnapshot. " << outcome.GetError().GetMessage() << std::endl; cleanUpResources(PARAMETER_GROUP_NAME, DB_INSTANCE_IDENTIFIER, client); return false; }
  • 有关 API 详细信息,请参阅《Amazon SDK for C++ API 参考》中的 CreateDBSnapshot

CLI
Amazon CLI

创建数据库快照

以下 create-db-snapshot 示例创建数据库快照。

aws rds create-db-snapshot \ --db-instance-identifier database-mysql \ --db-snapshot-identifier mydbsnapshot

输出:

{ "DBSnapshot": { "DBSnapshotIdentifier": "mydbsnapshot", "DBInstanceIdentifier": "database-mysql", "Engine": "mysql", "AllocatedStorage": 100, "Status": "creating", "Port": 3306, "AvailabilityZone": "us-east-1b", "VpcId": "vpc-6594f31c", "InstanceCreateTime": "2019-04-30T15:45:53.663Z", "MasterUsername": "admin", "EngineVersion": "5.6.40", "LicenseModel": "general-public-license", "SnapshotType": "manual", "Iops": 1000, "OptionGroupName": "default:mysql-5-6", "PercentProgress": 0, "StorageType": "io1", "Encrypted": true, "KmsKeyId": "arn:aws:kms:us-east-1:123456789012:key/AKIAIOSFODNN7EXAMPLE", "DBSnapshotArn": "arn:aws:rds:us-east-1:123456789012:snapshot:mydbsnapshot", "IAMDatabaseAuthenticationEnabled": false, "ProcessorFeatures": [], "DbiResourceId": "db-AKIAIOSFODNN7EXAMPLE" } }

有关更多信息,请参阅《Amazon RDS 用户指南》中的创建数据库快照

  • 有关 API 详细信息,请参阅《Amazon CLI 命令参考》中的 CreateDBSnapshot

Go
适用于 Go V2 的 SDK
注意

查看 GitHub,了解更多信息。查找完整示例,学习如何在 Amazon 代码示例存储库中进行设置和运行。

type DbInstances struct { RdsClient *rds.Client } // CreateSnapshot creates a snapshot of a DB instance. func (instances *DbInstances) CreateSnapshot(ctx context.Context, instanceName string, snapshotName string) ( *types.DBSnapshot, error) { output, err := instances.RdsClient.CreateDBSnapshot(ctx, &rds.CreateDBSnapshotInput{ DBInstanceIdentifier: aws.String(instanceName), DBSnapshotIdentifier: aws.String(snapshotName), }) if err != nil { log.Printf("Couldn't create snapshot %v: %v\n", snapshotName, err) return nil, err } else { return output.DBSnapshot, nil } }
  • 有关 API 详细信息,请参阅《Amazon SDK for Go API 参考》中的 CreateDBSnapshot

Java
SDK for Java 2.x
注意

查看 GitHub,了解更多信息。查找完整示例,学习如何在 Amazon 代码示例存储库中进行设置和运行。

// Create an Amazon RDS snapshot. public static void createSnapshot(RdsClient rdsClient, String dbInstanceIdentifier, String dbSnapshotIdentifier) { try { CreateDbSnapshotRequest snapshotRequest = CreateDbSnapshotRequest.builder() .dbInstanceIdentifier(dbInstanceIdentifier) .dbSnapshotIdentifier(dbSnapshotIdentifier) .build(); CreateDbSnapshotResponse response = rdsClient.createDBSnapshot(snapshotRequest); System.out.println("The Snapshot id is " + response.dbSnapshot().dbiResourceId()); } catch (RdsException e) { System.out.println(e.getLocalizedMessage()); System.exit(1); } }
  • 有关 API 详细信息,请参阅《Amazon SDK for Java 2.x API 参考》中的 CreateDBSnapshot

PHP
适用于 PHP 的 SDK
注意

查看 GitHub,了解更多信息。查找完整示例,学习如何在 Amazon 代码示例存储库中进行设置和运行。

require __DIR__ . '/vendor/autoload.php'; use Aws\Exception\AwsException; $rdsClient = new Aws\Rds\RdsClient([ 'region' => 'us-east-2' ]); $dbIdentifier = '<<{{db-identifier}}>>'; $snapshotName = '<<{{backup_2018_12_25}}>>'; try { $result = $rdsClient->createDBSnapshot([ 'DBInstanceIdentifier' => $dbIdentifier, 'DBSnapshotIdentifier' => $snapshotName, ]); var_dump($result); } catch (AwsException $e) { echo $e->getMessage(); echo "\n"; }
  • 有关 API 详细信息,请参阅《Amazon SDK for PHP API 参考》中的 CreateDBSnapshot

Python
SDK for Python (Boto3)
注意

查看 GitHub,了解更多信息。查找完整示例,学习如何在 Amazon 代码示例存储库中进行设置和运行。

class InstanceWrapper: """Encapsulates Amazon RDS DB instance actions.""" def __init__(self, rds_client): """ :param rds_client: A Boto3 Amazon RDS client. """ self.rds_client = rds_client @classmethod def from_client(cls): """ Instantiates this class from a Boto3 client. """ rds_client = boto3.client("rds") return cls(rds_client) def create_snapshot(self, snapshot_id, instance_id): """ Creates a snapshot of a DB instance. :param snapshot_id: The ID to give the created snapshot. :param instance_id: The ID of the DB instance to snapshot. :return: Data about the newly created snapshot. """ try: response = self.rds_client.create_db_snapshot( DBSnapshotIdentifier=snapshot_id, DBInstanceIdentifier=instance_id ) snapshot = response["DBSnapshot"] except ClientError as err: logger.error( "Couldn't create snapshot of %s. Here's why: %s: %s", instance_id, err.response["Error"]["Code"], err.response["Error"]["Message"], ) raise else: return snapshot
  • 有关 API 详细信息,请参阅《适用于 Python 的 Amazon SDK(Boto3)API 参考》中的 CreateDBSnapshot

Ruby
适用于 Ruby 的 SDK
注意

查看 GitHub,了解更多信息。查找完整示例,学习如何在 Amazon 代码示例存储库中进行设置和运行。

require 'aws-sdk-rds' # v2: require 'aws-sdk' # Create a snapshot for an Amazon Relational Database Service (Amazon RDS) # DB instance. # # @param rds_resource [Aws::RDS::Resource] The resource containing SDK logic. # @param db_instance_name [String] The name of the Amazon RDS DB instance. # @return [Aws::RDS::DBSnapshot, nil] The snapshot created, or nil if error. def create_snapshot(rds_resource, db_instance_name) id = "snapshot-#{rand(10**6)}" db_instance = rds_resource.db_instance(db_instance_name) db_instance.create_snapshot({ db_snapshot_identifier: id }) rescue Aws::Errors::ServiceError => e puts "Couldn't create DB instance snapshot #{id}:\n #{e.message}" end
  • 有关 API 详细信息,请参阅《Amazon SDK for Ruby API 参考》中的 CreateDBSnapshot

有关 Amazon SDK 开发人员指南和代码示例的完整列表,请参阅 将此服务与 Amazon SDK 结合使用。本主题还包括有关入门的信息以及有关先前的 SDK 版本的详细信息。