Describe Aurora DB clusters using an Amazon SDK
The following code examples show how to describe Aurora DB clusters.
- .NET
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- Amazon SDK for .NET
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Note There's more on GitHub. Find the complete example and learn how to set up and run in the Amazon Code Examples Repository
. /// <summary> /// Returns a list of DB clusters. /// </summary> /// <param name="dbInstanceIdentifier">Optional name of a specific DB cluster.</param> /// <returns>List of DB clusters.</returns> public async Task<List<DBCluster>> DescribeDBClustersPagedAsync(string? dbClusterIdentifier = null) { var results = new List<DBCluster>(); DescribeDBClustersResponse response; DescribeDBClustersRequest request = new DescribeDBClustersRequest { DBClusterIdentifier = dbClusterIdentifier }; // Get the full list if there are multiple pages. do { response = await _amazonRDS.DescribeDBClustersAsync(request); results.AddRange(response.DBClusters); request.Marker = response.Marker; } while (response.Marker is not null); return results; }
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For API details, see DescribeDBClusters in Amazon SDK for .NET API Reference.
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- C++
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- SDK for C++
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Note There's more on GitHub. Find the complete example and learn how to set up and run in the Amazon Code Examples Repository
. Aws::Client::ClientConfiguration clientConfig; // Optional: Set to the AWS Region (overrides config file). // clientConfig.region = "us-east-1"; Aws::RDS::RDSClient client(clientConfig); //! Routine which gets a DB cluster description. /*! \sa describeDBCluster() \param dbClusterIdentifier: A DB cluster identifier. \param clusterResult: The 'DBCluster' object containing the description. \param client: 'RDSClient' instance. \return bool: Successful completion. */ bool AwsDoc::Aurora::describeDBCluster(const Aws::String &dbClusterIdentifier, Aws::RDS::Model::DBCluster &clusterResult, const Aws::RDS::RDSClient &client) { Aws::RDS::Model::DescribeDBClustersRequest request; request.SetDBClusterIdentifier(dbClusterIdentifier); Aws::RDS::Model::DescribeDBClustersOutcome outcome = client.DescribeDBClusters(request); bool result = true; if (outcome.IsSuccess()) { clusterResult = outcome.GetResult().GetDBClusters()[0]; } // This example does not log an error if the DB cluster does not exist. // Instead, it returns false. else if (outcome.GetError().GetErrorType() != Aws::RDS::RDSErrors::D_B_CLUSTER_NOT_FOUND_FAULT) { result = false; std::cerr << "Error with Aurora::GDescribeDBClusters. " << outcome.GetError().GetMessage() << std::endl; } return result; }
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For API details, see DescribeDBClusters in Amazon SDK for C++ API Reference.
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- Java
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- SDK for Java 2.x
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Note There's more on GitHub. Find the complete example and learn how to set up and run in the Amazon Code Examples Repository
. public static void describeDbClusterParameters(RdsClient rdsClient, String dbCLusterGroupName, int flag) { try { DescribeDbClusterParametersRequest dbParameterGroupsRequest; if (flag == 0) { dbParameterGroupsRequest = DescribeDbClusterParametersRequest.builder() .dbClusterParameterGroupName(dbCLusterGroupName) .build(); } else { dbParameterGroupsRequest = DescribeDbClusterParametersRequest.builder() .dbClusterParameterGroupName(dbCLusterGroupName) .source("user") .build(); } DescribeDbClusterParametersResponse response = rdsClient.describeDBClusterParameters(dbParameterGroupsRequest); List<Parameter> dbParameters = response.parameters(); String paraName; for (Parameter para: dbParameters) { // Only print out information about either auto_increment_offset or auto_increment_increment. paraName = para.parameterName(); if ( (paraName.compareTo("auto_increment_offset") ==0) || (paraName.compareTo("auto_increment_increment ") ==0)) { System.out.println("*** The parameter name is " + paraName); System.out.println("*** The parameter value is " + para.parameterValue()); System.out.println("*** The parameter data type is " + para.dataType()); System.out.println("*** The parameter description is " + para.description()); System.out.println("*** The parameter allowed values is " + para.allowedValues()); } } } catch (RdsException e) { System.out.println(e.getLocalizedMessage()); System.exit(1); } }
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For API details, see DescribeDBClusters in Amazon SDK for Java 2.x API Reference.
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- Kotlin
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- SDK for Kotlin
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Note This is prerelease documentation for a feature in preview release. It is subject to change.
Note There's more on GitHub. Find the complete example and learn how to set up and run in the Amazon Code Examples Repository
. suspend fun describeDbClusterParameters(dbCLusterGroupName: String?, flag: Int) { val dbParameterGroupsRequest: DescribeDbClusterParametersRequest dbParameterGroupsRequest = if (flag == 0) { DescribeDbClusterParametersRequest { dbClusterParameterGroupName = dbCLusterGroupName } } else { DescribeDbClusterParametersRequest { dbClusterParameterGroupName = dbCLusterGroupName source = "user" } } RdsClient { region = "us-west-2" }.use { rdsClient -> val response = rdsClient.describeDbClusterParameters(dbParameterGroupsRequest) response.parameters?.forEach { para -> // Only print out information about either auto_increment_offset or auto_increment_increment. val paraName = para.parameterName if (paraName != null) { if (paraName.compareTo("auto_increment_offset") == 0 || paraName.compareTo("auto_increment_increment ") == 0) { println("*** The parameter name is $paraName") println("*** The parameter value is ${para.parameterValue}") println("*** The parameter data type is ${para.dataType}") println("*** The parameter description is ${para.description}") println("*** The parameter allowed values is ${para.allowedValues}") } } } } }
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For API details, see DescribeDBClusters
in Amazon SDK for Kotlin API reference.
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- Python
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- SDK for Python (Boto3)
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Note There's more on GitHub. Find the complete example and learn how to set up and run in the Amazon Code Examples Repository
. 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 get_db_cluster(self, cluster_name): """ Gets data about an Aurora DB cluster. :param cluster_name: The name of the DB cluster to retrieve. :return: The retrieved DB cluster. """ try: response = self.rds_client.describe_db_clusters( DBClusterIdentifier=cluster_name) cluster = response['DBClusters'][0] except ClientError as err: if err.response['Error']['Code'] == 'DBClusterNotFoundFault': logger.info("Cluster %s does not exist.", cluster_name) else: logger.error( "Couldn't verify the existence of DB cluster %s. Here's why: %s: %s", cluster_name, err.response['Error']['Code'], err.response['Error']['Message']) raise else: return cluster
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For API details, see DescribeDBClusters in Amazon SDK for Python (Boto3) API Reference.
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For a complete list of Amazon SDK developer guides and code examples, see Using this service with an Amazon SDK. This topic also includes information about getting started and details about previous SDK versions.