Uso de CreateDBClusterSnapshot con un AWS SDK o la CLI - Amazon Aurora

Uso de CreateDBClusterSnapshot con un AWS SDK o la CLI

En los siguientes ejemplos de código, se muestra cómo utilizar CreateDBClusterSnapshot.

Los ejemplos de acciones son extractos de código de programas más grandes y deben ejecutarse en contexto. Puede ver esta acción en contexto en el siguiente ejemplo de código:

.NET
AWS SDK for .NET
nota

Hay más información en GitHub. Busque el ejemplo completo y aprenda a configurar y ejecutar en el Repositorio de ejemplos de código de AWS.

/// <summary> /// Create a snapshot of a cluster. /// </summary> /// <param name="dbClusterIdentifier">DB cluster identifier.</param> /// <param name="snapshotIdentifier">Identifier for the snapshot.</param> /// <returns>DB snapshot object.</returns> public async Task<DBClusterSnapshot> CreateClusterSnapshotByIdentifierAsync(string dbClusterIdentifier, string snapshotIdentifier) { var response = await _amazonRDS.CreateDBClusterSnapshotAsync( new CreateDBClusterSnapshotRequest() { DBClusterIdentifier = dbClusterIdentifier, DBClusterSnapshotIdentifier = snapshotIdentifier, }); return response.DBClusterSnapshot; }
  • Para obtener información sobre la API, consulte CreateDBClusterSnapshot en la Referencia de la API de AWS SDK for .NET.

C++
SDK para C++
nota

Hay más en GitHub. Busque el ejemplo completo y aprenda a configurar y ejecutar en el Repositorio de ejemplos de código de AWS.

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::CreateDBClusterSnapshotRequest request; request.SetDBClusterIdentifier(DB_CLUSTER_IDENTIFIER); request.SetDBClusterSnapshotIdentifier(snapshotID); Aws::RDS::Model::CreateDBClusterSnapshotOutcome outcome = client.CreateDBClusterSnapshot(request); if (outcome.IsSuccess()) { std::cout << "Snapshot creation has started." << std::endl; } else { std::cerr << "Error with Aurora::CreateDBClusterSnapshot. " << outcome.GetError().GetMessage() << std::endl; cleanUpResources(CLUSTER_PARAMETER_GROUP_NAME, DB_CLUSTER_IDENTIFIER, DB_INSTANCE_IDENTIFIER, client); return false; }
  • Para obtener información sobre la API, consulte CreateDBClusterSnapshot en la Referencia de la API de AWS SDK for C++.

Go
SDK para Go V2
nota

Hay más en GitHub. Busque el ejemplo completo y aprenda a configurar y ejecutar en el Repositorio de ejemplos de código de AWS.

type DbClusters struct { AuroraClient *rds.Client } // CreateClusterSnapshot creates a snapshot of a DB cluster. func (clusters *DbClusters) CreateClusterSnapshot(ctx context.Context, clusterName string, snapshotName string) ( *types.DBClusterSnapshot, error) { output, err := clusters.AuroraClient.CreateDBClusterSnapshot(ctx, &rds.CreateDBClusterSnapshotInput{ DBClusterIdentifier: aws.String(clusterName), DBClusterSnapshotIdentifier: aws.String(snapshotName), }) if err != nil { log.Printf("Couldn't create snapshot %v: %v\n", snapshotName, err) return nil, err } else { return output.DBClusterSnapshot, nil } }
  • Para obtener información sobre la API, consulte CreateDBClusterSnapshot en la Referencia de la API de AWS SDK for Go.

Java
SDK para Java 2.x
nota

Hay más en GitHub. Busque el ejemplo completo y aprenda a configurar y ejecutar en el Repositorio de ejemplos de código de AWS.

public static void createDBClusterSnapshot(RdsClient rdsClient, String dbInstanceClusterIdentifier, String dbSnapshotIdentifier) { try { CreateDbClusterSnapshotRequest snapshotRequest = CreateDbClusterSnapshotRequest.builder() .dbClusterIdentifier(dbInstanceClusterIdentifier) .dbClusterSnapshotIdentifier(dbSnapshotIdentifier) .build(); CreateDbClusterSnapshotResponse response = rdsClient.createDBClusterSnapshot(snapshotRequest); System.out.println("The Snapshot ARN is " + response.dbClusterSnapshot().dbClusterSnapshotArn()); } catch (RdsException e) { System.out.println(e.getLocalizedMessage()); System.exit(1); } }
  • Para obtener información sobre la API, consulte CreateDBClusterSnapshot en la Referencia de la API de AWS SDK for Java 2.x.

Kotlin
SDK para Kotlin
nota

Hay más información en GitHub. Busque el ejemplo completo y aprenda a configurar y ejecutar en el Repositorio de ejemplos de código de AWS.

suspend fun createDBClusterSnapshot( dbInstanceClusterIdentifier: String?, dbSnapshotIdentifier: String?, ) { val snapshotRequest = CreateDbClusterSnapshotRequest { dbClusterIdentifier = dbInstanceClusterIdentifier dbClusterSnapshotIdentifier = dbSnapshotIdentifier } RdsClient { region = "us-west-2" }.use { rdsClient -> val response = rdsClient.createDbClusterSnapshot(snapshotRequest) println("The Snapshot ARN is ${response.dbClusterSnapshot?.dbClusterSnapshotArn}") } }
  • Para obtener información sobre la API, consulte CreateDBClusterSnapshot en la Referencia de la API de AWS SDK para Kotlin.

Python
SDK para Python (Boto3)
nota

Hay más en GitHub. Busque el ejemplo completo y aprenda a configurar y ejecutar en el Repositorio de ejemplos de código de AWS.

class AuroraWrapper: """Encapsulates Aurora DB cluster actions.""" def __init__(self, rds_client): """ :param rds_client: A Boto3 Amazon Relational Database Service (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_cluster_snapshot(self, snapshot_id, cluster_id): """ Creates a snapshot of a DB cluster. :param snapshot_id: The ID to give the created snapshot. :param cluster_id: The DB cluster to snapshot. :return: Data about the newly created snapshot. """ try: response = self.rds_client.create_db_cluster_snapshot( DBClusterSnapshotIdentifier=snapshot_id, DBClusterIdentifier=cluster_id ) snapshot = response["DBClusterSnapshot"] except ClientError as err: logger.error( "Couldn't create snapshot of %s. Here's why: %s: %s", cluster_id, err.response["Error"]["Code"], err.response["Error"]["Message"], ) raise else: return snapshot
  • Para obtener información sobre la API, consulte CreateDBClusterSnapshot en la Referencia de la API de AWS SDK para Python (Boto3).

Rust
SDK para Rust
nota

Hay más información en GitHub. Busque el ejemplo completo y aprenda a configurar y ejecutar en el Repositorio de ejemplos de código de AWS.

// Get a list of allowed engine versions. rds.DescribeDbEngineVersions(Engine='aurora-mysql', DBParameterGroupFamily=<the family used to create your parameter group in step 2>) // Create an Aurora DB cluster database cluster that contains a MySql database and uses the parameter group you created. // Wait for DB cluster to be ready. Call rds.DescribeDBClusters and check for Status == 'available'. // Get a list of instance classes available for the selected engine and engine version. rds.DescribeOrderableDbInstanceOptions(Engine='mysql', EngineVersion=). // Create a database instance in the cluster. // Wait for DB instance to be ready. Call rds.DescribeDbInstances and check for DBInstanceStatus == 'available'. pub async fn start_cluster_and_instance(&mut self) -> Result<(), ScenarioError> { if self.password.is_none() { return Err(ScenarioError::with( "Must set Secret Password before starting a cluster", )); } let create_db_cluster = self .rds .create_db_cluster( DB_CLUSTER_IDENTIFIER, DB_CLUSTER_PARAMETER_GROUP_NAME, DB_ENGINE, self.engine_version.as_deref().expect("engine version"), self.username.as_deref().expect("username"), self.password .replace(SecretString::new("".to_string())) .expect("password"), ) .await; if let Err(err) = create_db_cluster { return Err(ScenarioError::new( "Failed to create DB Cluster with cluster group", &err, )); } self.db_cluster_identifier = create_db_cluster .unwrap() .db_cluster .and_then(|c| c.db_cluster_identifier); if self.db_cluster_identifier.is_none() { return Err(ScenarioError::with("Created DB Cluster missing Identifier")); } info!( "Started a db cluster: {}", self.db_cluster_identifier .as_deref() .unwrap_or("Missing ARN") ); let create_db_instance = self .rds .create_db_instance( self.db_cluster_identifier.as_deref().expect("cluster name"), DB_INSTANCE_IDENTIFIER, self.instance_class.as_deref().expect("instance class"), DB_ENGINE, ) .await; if let Err(err) = create_db_instance { return Err(ScenarioError::new( "Failed to create Instance in DB Cluster", &err, )); } self.db_instance_identifier = create_db_instance .unwrap() .db_instance .and_then(|i| i.db_instance_identifier); // Cluster creation can take up to 20 minutes to become available let cluster_max_wait = Duration::from_secs(20 * 60); let waiter = Waiter::builder().max(cluster_max_wait).build(); while waiter.sleep().await.is_ok() { let cluster = self .rds .describe_db_clusters( self.db_cluster_identifier .as_deref() .expect("cluster identifier"), ) .await; if let Err(err) = cluster { warn!(?err, "Failed to describe cluster while waiting for ready"); continue; } let instance = self .rds .describe_db_instance( self.db_instance_identifier .as_deref() .expect("instance identifier"), ) .await; if let Err(err) = instance { return Err(ScenarioError::new( "Failed to find instance for cluster", &err, )); } let instances_available = instance .unwrap() .db_instances() .iter() .all(|instance| instance.db_instance_status() == Some("Available")); let endpoints = self .rds .describe_db_cluster_endpoints( self.db_cluster_identifier .as_deref() .expect("cluster identifier"), ) .await; if let Err(err) = endpoints { return Err(ScenarioError::new( "Failed to find endpoint for cluster", &err, )); } let endpoints_available = endpoints .unwrap() .db_cluster_endpoints() .iter() .all(|endpoint| endpoint.status() == Some("available")); if instances_available && endpoints_available { return Ok(()); } } Err(ScenarioError::with("timed out waiting for cluster")) } pub async fn snapshot_cluster( &self, db_cluster_identifier: &str, snapshot_name: &str, ) -> Result<CreateDbClusterSnapshotOutput, SdkError<CreateDBClusterSnapshotError>> { self.inner .create_db_cluster_snapshot() .db_cluster_identifier(db_cluster_identifier) .db_cluster_snapshot_identifier(snapshot_name) .send() .await } #[tokio::test] async fn test_start_cluster_and_instance() { let mut mock_rds = MockRdsImpl::default(); mock_rds .expect_create_db_cluster() .withf(|id, params, engine, version, username, password| { assert_eq!(id, "RustSDKCodeExamplesDBCluster"); assert_eq!(params, "RustSDKCodeExamplesDBParameterGroup"); assert_eq!(engine, "aurora-mysql"); assert_eq!(version, "aurora-mysql8.0"); assert_eq!(username, "test username"); assert_eq!(password.expose_secret(), "test password"); true }) .return_once(|id, _, _, _, _, _| { Ok(CreateDbClusterOutput::builder() .db_cluster(DbCluster::builder().db_cluster_identifier(id).build()) .build()) }); mock_rds .expect_create_db_instance() .withf(|cluster, name, class, engine| { assert_eq!(cluster, "RustSDKCodeExamplesDBCluster"); assert_eq!(name, "RustSDKCodeExamplesDBInstance"); assert_eq!(class, "m5.large"); assert_eq!(engine, "aurora-mysql"); true }) .return_once(|cluster, name, class, _| { Ok(CreateDbInstanceOutput::builder() .db_instance( DbInstance::builder() .db_cluster_identifier(cluster) .db_instance_identifier(name) .db_instance_class(class) .build(), ) .build()) }); mock_rds .expect_describe_db_clusters() .with(eq("RustSDKCodeExamplesDBCluster")) .return_once(|id| { Ok(DescribeDbClustersOutput::builder() .db_clusters(DbCluster::builder().db_cluster_identifier(id).build()) .build()) }); mock_rds .expect_describe_db_instance() .with(eq("RustSDKCodeExamplesDBInstance")) .return_once(|name| { Ok(DescribeDbInstancesOutput::builder() .db_instances( DbInstance::builder() .db_instance_identifier(name) .db_instance_status("Available") .build(), ) .build()) }); mock_rds .expect_describe_db_cluster_endpoints() .with(eq("RustSDKCodeExamplesDBCluster")) .return_once(|_| { Ok(DescribeDbClusterEndpointsOutput::builder() .db_cluster_endpoints(DbClusterEndpoint::builder().status("available").build()) .build()) }); let mut scenario = AuroraScenario::new(mock_rds); scenario.engine_version = Some("aurora-mysql8.0".into()); scenario.instance_class = Some("m5.large".into()); scenario.username = Some("test username".into()); scenario.password = Some(SecretString::new("test password".into())); tokio::time::pause(); let assertions = tokio::spawn(async move { let create = scenario.start_cluster_and_instance().await; assert!(create.is_ok()); assert!(scenario .password .replace(SecretString::new("BAD SECRET".into())) .unwrap() .expose_secret() .is_empty()); assert_eq!( scenario.db_cluster_identifier, Some("RustSDKCodeExamplesDBCluster".into()) ); }); tokio::time::advance(Duration::from_secs(1)).await; tokio::time::resume(); let _ = assertions.await; } #[tokio::test] async fn test_start_cluster_and_instance_cluster_create_error() { let mut mock_rds = MockRdsImpl::default(); mock_rds .expect_create_db_cluster() .return_once(|_, _, _, _, _, _| { Err(SdkError::service_error( CreateDBClusterError::unhandled(Box::new(Error::new( ErrorKind::Other, "create db cluster error", ))), Response::new(StatusCode::try_from(400).unwrap(), SdkBody::empty()), )) }); let mut scenario = AuroraScenario::new(mock_rds); scenario.engine_version = Some("aurora-mysql8.0".into()); scenario.instance_class = Some("m5.large".into()); scenario.username = Some("test username".into()); scenario.password = Some(SecretString::new("test password".into())); let create = scenario.start_cluster_and_instance().await; assert_matches!(create, Err(ScenarioError { message, context: _}) if message == "Failed to create DB Cluster with cluster group") } #[tokio::test] async fn test_start_cluster_and_instance_cluster_create_missing_id() { let mut mock_rds = MockRdsImpl::default(); mock_rds .expect_create_db_cluster() .return_once(|_, _, _, _, _, _| { Ok(CreateDbClusterOutput::builder() .db_cluster(DbCluster::builder().build()) .build()) }); let mut scenario = AuroraScenario::new(mock_rds); scenario.engine_version = Some("aurora-mysql8.0".into()); scenario.instance_class = Some("m5.large".into()); scenario.username = Some("test username".into()); scenario.password = Some(SecretString::new("test password".into())); let create = scenario.start_cluster_and_instance().await; assert_matches!(create, Err(ScenarioError { message, context:_ }) if message == "Created DB Cluster missing Identifier"); } #[tokio::test] async fn test_start_cluster_and_instance_instance_create_error() { let mut mock_rds = MockRdsImpl::default(); mock_rds .expect_create_db_cluster() .withf(|id, params, engine, version, username, password| { assert_eq!(id, "RustSDKCodeExamplesDBCluster"); assert_eq!(params, "RustSDKCodeExamplesDBParameterGroup"); assert_eq!(engine, "aurora-mysql"); assert_eq!(version, "aurora-mysql8.0"); assert_eq!(username, "test username"); assert_eq!(password.expose_secret(), "test password"); true }) .return_once(|id, _, _, _, _, _| { Ok(CreateDbClusterOutput::builder() .db_cluster(DbCluster::builder().db_cluster_identifier(id).build()) .build()) }); mock_rds .expect_create_db_instance() .return_once(|_, _, _, _| { Err(SdkError::service_error( CreateDBInstanceError::unhandled(Box::new(Error::new( ErrorKind::Other, "create db instance error", ))), Response::new(StatusCode::try_from(400).unwrap(), SdkBody::empty()), )) }); let mut scenario = AuroraScenario::new(mock_rds); scenario.engine_version = Some("aurora-mysql8.0".into()); scenario.instance_class = Some("m5.large".into()); scenario.username = Some("test username".into()); scenario.password = Some(SecretString::new("test password".into())); let create = scenario.start_cluster_and_instance().await; assert_matches!(create, Err(ScenarioError { message, context: _ }) if message == "Failed to create Instance in DB Cluster") } #[tokio::test] async fn test_start_cluster_and_instance_wait_hiccup() { let mut mock_rds = MockRdsImpl::default(); mock_rds .expect_create_db_cluster() .withf(|id, params, engine, version, username, password| { assert_eq!(id, "RustSDKCodeExamplesDBCluster"); assert_eq!(params, "RustSDKCodeExamplesDBParameterGroup"); assert_eq!(engine, "aurora-mysql"); assert_eq!(version, "aurora-mysql8.0"); assert_eq!(username, "test username"); assert_eq!(password.expose_secret(), "test password"); true }) .return_once(|id, _, _, _, _, _| { Ok(CreateDbClusterOutput::builder() .db_cluster(DbCluster::builder().db_cluster_identifier(id).build()) .build()) }); mock_rds .expect_create_db_instance() .withf(|cluster, name, class, engine| { assert_eq!(cluster, "RustSDKCodeExamplesDBCluster"); assert_eq!(name, "RustSDKCodeExamplesDBInstance"); assert_eq!(class, "m5.large"); assert_eq!(engine, "aurora-mysql"); true }) .return_once(|cluster, name, class, _| { Ok(CreateDbInstanceOutput::builder() .db_instance( DbInstance::builder() .db_cluster_identifier(cluster) .db_instance_identifier(name) .db_instance_class(class) .build(), ) .build()) }); mock_rds .expect_describe_db_clusters() .with(eq("RustSDKCodeExamplesDBCluster")) .times(1) .returning(|_| { Err(SdkError::service_error( DescribeDBClustersError::unhandled(Box::new(Error::new( ErrorKind::Other, "describe cluster error", ))), Response::new(StatusCode::try_from(400).unwrap(), SdkBody::empty()), )) }) .with(eq("RustSDKCodeExamplesDBCluster")) .times(1) .returning(|id| { Ok(DescribeDbClustersOutput::builder() .db_clusters(DbCluster::builder().db_cluster_identifier(id).build()) .build()) }); mock_rds.expect_describe_db_instance().return_once(|name| { Ok(DescribeDbInstancesOutput::builder() .db_instances( DbInstance::builder() .db_instance_identifier(name) .db_instance_status("Available") .build(), ) .build()) }); mock_rds .expect_describe_db_cluster_endpoints() .return_once(|_| { Ok(DescribeDbClusterEndpointsOutput::builder() .db_cluster_endpoints(DbClusterEndpoint::builder().status("available").build()) .build()) }); let mut scenario = AuroraScenario::new(mock_rds); scenario.engine_version = Some("aurora-mysql8.0".into()); scenario.instance_class = Some("m5.large".into()); scenario.username = Some("test username".into()); scenario.password = Some(SecretString::new("test password".into())); tokio::time::pause(); let assertions = tokio::spawn(async move { let create = scenario.start_cluster_and_instance().await; assert!(create.is_ok()); }); tokio::time::advance(Duration::from_secs(1)).await; tokio::time::advance(Duration::from_secs(1)).await; tokio::time::resume(); let _ = assertions.await; }
  • Para obtener detalles sobre la API, consulte CreateDBClusterSnapshot en la Referencia de la API del SDK de AWS para Rust.

Para obtener una lista completa de las guías para desarrolladores del AWS SDK y ejemplos de código, consulte Uso de este servicio con un SDK de AWS. En este tema también se incluye información sobre cómo comenzar a utilizar el SDK y detalles sobre sus versiones anteriores.