

Weitere AWS SDK-Beispiele sind im GitHub Repo [AWS Doc SDK Examples](https://github.com/awsdocs/aws-doc-sdk-examples) verfügbar.

Die vorliegende Übersetzung wurde maschinell erstellt. Im Falle eines Konflikts oder eines Widerspruchs zwischen dieser übersetzten Fassung und der englischen Fassung (einschließlich infolge von Verzögerungen bei der Übersetzung) ist die englische Fassung maßgeblich.

# Hello Aurora
<a name="aurora_example_aurora_Hello_section"></a>

Die folgenden Codebeispiele zeigen, wie Sie mit der Verwendung von Aurora beginnen.

------
#### [ .NET ]

**SDK für .NET (v4)**  
 Es gibt noch mehr dazu GitHub. Hier finden Sie das vollständige Beispiel und erfahren, wie Sie das [AWS -Code-Beispiel-](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/dotnetv4/Aurora#code-examples) einrichten und ausführen. 

```
using Amazon.RDS;
using Amazon.RDS.Model;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;

namespace AuroraActions;

public static class HelloAurora
{
    static async Task Main(string[] args)
    {
        // Use the AWS .NET Core Setup package to set up dependency injection for the
        // Amazon Relational Database Service (Amazon RDS).
        // Use your AWS profile name, or leave it blank to use the default profile.
        using var host = Host.CreateDefaultBuilder(args)
            .ConfigureServices((_, services) =>
                services.AddAWSService<IAmazonRDS>()
            ).Build();

        // Now the client is available for injection. Fetching it directly here for example purposes only.
        var rdsClient = host.Services.GetRequiredService<IAmazonRDS>();

        // You can use await and any of the async methods to get a response.
        var response = await rdsClient.DescribeDBClustersAsync(new DescribeDBClustersRequest { IncludeShared = true });
        Console.WriteLine($"Hello Amazon RDS Aurora! Let's list some clusters in this account:");
        if (response.DBClusters == null)
        {
            Console.WriteLine($"\tNo clusters found.");
        }
        else
        {
            foreach (var cluster in response.DBClusters)
            {
                Console.WriteLine(
                    $"\tCluster: database: {cluster.DatabaseName} identifier: {cluster.DBClusterIdentifier}.");
            }
        }
    }
}
```
+  Einzelheiten zur API finden Sie unter [Describe DBClusters](https://docs.aws.amazon.com/goto/DotNetSDKV4/rds-2014-10-31/DescribeDBClusters) in der *AWS SDK für .NET API-Referenz*. 

------
#### [ C\$1\$1 ]

**SDK für C\$1\$1**  
 Es gibt noch mehr dazu GitHub. Hier finden Sie das vollständige Beispiel und erfahren, wie Sie das [AWS -Code-Beispiel-](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/cpp/example_code/aurora/hello_aurora#code-examples) einrichten und ausführen. 
Code für die CMake Datei CMake Lists.txt.  

```
# Set the minimum required version of CMake for this project.
cmake_minimum_required(VERSION 3.13)

# Set the AWS service components used by this project.
set(SERVICE_COMPONENTS rds)

# Set this project's name.
project("hello_aurora")

# Set the C++ standard to use to build this target.
# At least C++ 11 is required for the AWS SDK for C++.
set(CMAKE_CXX_STANDARD 11)

# Use the MSVC variable to determine if this is a Windows build.
set(WINDOWS_BUILD ${MSVC})

if (WINDOWS_BUILD) # Set the location where CMake can find the installed libraries for the AWS SDK.
    string(REPLACE ";" "/aws-cpp-sdk-all;" SYSTEM_MODULE_PATH "${CMAKE_SYSTEM_PREFIX_PATH}/aws-cpp-sdk-all")
    list(APPEND CMAKE_PREFIX_PATH ${SYSTEM_MODULE_PATH})
endif ()

# Find the AWS SDK for C++ package.
find_package(AWSSDK REQUIRED COMPONENTS ${SERVICE_COMPONENTS})

if (WINDOWS_BUILD AND AWSSDK_INSTALL_AS_SHARED_LIBS)
     # Copy relevant AWS SDK for C++ libraries into the current binary directory for running and debugging.

     # set(BIN_SUB_DIR "/Debug") # If you are building from the command line, you may need to uncomment this 
                                    # and set the proper subdirectory to the executables' location.

     AWSSDK_CPY_DYN_LIBS(SERVICE_COMPONENTS "" ${CMAKE_CURRENT_BINARY_DIR}${BIN_SUB_DIR})
endif ()

add_executable(${PROJECT_NAME}
        hello_aurora.cpp)

target_link_libraries(${PROJECT_NAME}
        ${AWSSDK_LINK_LIBRARIES})
```
Code für die Quelldatei „hello\$1aurora.cpp“.  

```
#include <aws/core/Aws.h>
#include <aws/rds/RDSClient.h>
#include <aws/rds/model/DescribeDBClustersRequest.h>
#include <iostream>

/*
 *  A "Hello Aurora" starter application which initializes an Amazon Relational Database Service (Amazon RDS) client
 *  and describes the Amazon Aurora (Aurora) clusters.
 *
 *  main function
 *
 *  Usage: 'hello_aurora'
 *
 */
int main(int argc, char **argv) {
    Aws::SDKOptions options;
    // Optionally change the log level for debugging.
//   options.loggingOptions.logLevel = Utils::Logging::LogLevel::Debug;
    Aws::InitAPI(options); // Should only be called once.
    int result = 0;
    {
        Aws::Client::ClientConfiguration clientConfig;
        // Optional: Set to the AWS Region (overrides config file).
        // clientConfig.region = "us-east-1";

        Aws::RDS::RDSClient rdsClient(clientConfig);

        Aws::String marker; // Used for pagination.
        std::vector<Aws::String> clusterIds;
        do {
            Aws::RDS::Model::DescribeDBClustersRequest request;

            Aws::RDS::Model::DescribeDBClustersOutcome outcome =
                    rdsClient.DescribeDBClusters(request);

            if (outcome.IsSuccess()) {
                for (auto &cluster: outcome.GetResult().GetDBClusters()) {
                    clusterIds.push_back(cluster.GetDBClusterIdentifier());
                }
                marker = outcome.GetResult().GetMarker();
            } else {
                result = 1;
                std::cerr << "Error with Aurora::GDescribeDBClusters. "
                          << outcome.GetError().GetMessage()
                          << std::endl;
                break;
            }
        } while (!marker.empty());

        std::cout << clusterIds.size() << " Aurora clusters found." << std::endl;
        for (auto &clusterId: clusterIds) {
            std::cout << "  clusterId " << clusterId << std::endl;
        }
    }

    Aws::ShutdownAPI(options); // Should only be called once.
    return 0;
}
```
+  Einzelheiten zur API finden Sie unter [Describe DBClusters](https://docs.aws.amazon.com/goto/SdkForCpp/rds-2014-10-31/DescribeDBClusters) in der *AWS SDK für C\$1\$1 API-Referenz*. 

------
#### [ Go ]

**SDK für Go V2**  
 Es gibt noch mehr dazu GitHub. Hier finden Sie das vollständige Beispiel und erfahren, wie Sie das [AWS -Code-Beispiel-](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/gov2/aurora#code-examples) einrichten und ausführen. 

```
package main

import (
	"context"
	"fmt"

	"github.com/aws/aws-sdk-go-v2/aws"
	"github.com/aws/aws-sdk-go-v2/config"
	"github.com/aws/aws-sdk-go-v2/service/rds"
)

// main uses the AWS SDK for Go V2 to create an Amazon Aurora client and list up to 20
// DB clusters in your account.
// This example uses the default settings specified in your shared credentials
// and config files.
func main() {
	ctx := context.Background()
	sdkConfig, err := config.LoadDefaultConfig(ctx)
	if err != nil {
		fmt.Println("Couldn't load default configuration. Have you set up your AWS account?")
		fmt.Println(err)
		return
	}
	auroraClient := rds.NewFromConfig(sdkConfig)
	const maxClusters = 20
	fmt.Printf("Let's list up to %v DB clusters.\n", maxClusters)
	output, err := auroraClient.DescribeDBClusters(
		ctx, &rds.DescribeDBClustersInput{MaxRecords: aws.Int32(maxClusters)})
	if err != nil {
		fmt.Printf("Couldn't list DB clusters: %v\n", err)
		return
	}
	if len(output.DBClusters) == 0 {
		fmt.Println("No DB clusters found.")
	} else {
		for _, cluster := range output.DBClusters {
			fmt.Printf("DB cluster %v has database %v.\n", *cluster.DBClusterIdentifier,
				*cluster.DatabaseName)
		}
	}
}
```
+  Einzelheiten zur API finden Sie unter [Describe DBClusters](https://pkg.go.dev/github.com/aws/aws-sdk-go-v2/service/rds#Client.DescribeDBClusters) in der *AWS SDK für Go API-Referenz*. 

------
#### [ Java ]

**SDK für Java 2.x**  
 Es gibt noch mehr dazu GitHub. Hier finden Sie das vollständige Beispiel und erfahren, wie Sie das [AWS -Code-Beispiel-](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/javav2/example_code/rds#code-examples) einrichten und ausführen. 

```
import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.rds.RdsClient;
import software.amazon.awssdk.services.rds.paginators.DescribeDBClustersIterable;

public class DescribeDbClusters {
    public static void main(String[] args) {
        Region region = Region.US_EAST_1;
        RdsClient rdsClient = RdsClient.builder()
                .region(region)
                .build();

        describeClusters(rdsClient);
        rdsClient.close();
    }

    public static void describeClusters(RdsClient rdsClient) {
        DescribeDBClustersIterable clustersIterable = rdsClient.describeDBClustersPaginator();
        clustersIterable.stream()
                .flatMap(r -> r.dbClusters().stream())
                .forEach(cluster -> System.out
                        .println("Database name: " + cluster.databaseName() + " Arn = " + cluster.dbClusterArn()));
    }
}
```
+  Einzelheiten zur API finden Sie unter [Describe DBClusters](https://docs.aws.amazon.com/goto/SdkForJavaV2/rds-2014-10-31/DescribeDBClusters) in der *AWS SDK for Java 2.x API-Referenz*. 

------
#### [ Python ]

**SDK für Python (Boto3)**  
 Es gibt noch mehr dazu GitHub. Hier finden Sie das vollständige Beispiel und erfahren, wie Sie das [AWS -Code-Beispiel-](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/python/example_code/aurora#code-examples) einrichten und ausführen. 

```
import boto3

# Create an RDS client
rds = boto3.client("rds")

# Create a paginator for the describe_db_clusters operation
paginator = rds.get_paginator("describe_db_clusters")

# Use the paginator to get a list of DB clusters
response_iterator = paginator.paginate(
    PaginationConfig={
        "PageSize": 50,  # Adjust PageSize as needed
        "StartingToken": None,
    }
)

# Iterate through the pages of the response
clusters_found = False
for page in response_iterator:
    if "DBClusters" in page and page["DBClusters"]:
        clusters_found = True
        print("Here are your RDS Aurora clusters:")
        for cluster in page["DBClusters"]:
            print(
                f"Cluster ID: {cluster['DBClusterIdentifier']}, Engine: {cluster['Engine']}"
            )

if not clusters_found:
    print("No clusters found!")
```
+  Einzelheiten zur API finden Sie unter [DBClustersDescribe](https://docs.aws.amazon.com/goto/boto3/rds-2014-10-31/DescribeDBClusters) in *AWS SDK for Python (Boto3) API-Referenz*. 

------
#### [ Ruby ]

**SDK für Ruby**  
 Es gibt noch mehr dazu. GitHub Hier finden Sie das vollständige Beispiel und erfahren, wie Sie das [AWS -Code-Beispiel-](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/ruby/example_code/aurora#code-examples) einrichten und ausführen. 

```
require 'aws-sdk-rds'

# Creates an Amazon RDS client for the AWS Region
rds = Aws::RDS::Client.new

puts 'Listing clusters in this AWS account...'

# Calls the describe_db_clusters method to get information about clusters
resp = rds.describe_db_clusters(max_records: 20)

# Checks if any clusters are found and prints the appropriate message
if resp.db_clusters.empty?
  puts 'No clusters found!'
else
  # Loops through the array of cluster objects and prints the cluster identifier
  resp.db_clusters.each do |cluster|
    puts "Cluster identifier: #{cluster.db_cluster_identifier}"
  end
end
```
+  Einzelheiten zur API finden Sie unter [Describe DBClusters](https://docs.aws.amazon.com/goto/SdkForRubyV3/rds-2014-10-31/DescribeDBClusters) in der *AWS SDK für Ruby API-Referenz*. 

------
#### [ Rust ]

**SDK für Rust**  
 Es gibt noch mehr dazu GitHub. Hier finden Sie das vollständige Beispiel und erfahren, wie Sie das [AWS -Code-Beispiel-](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/rustv1/examples/aurora#code-examples) einrichten und ausführen. 

```
use aws_sdk_rds::Client;

#[derive(Debug)]
struct Error(String);
impl std::fmt::Display for Error {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        write!(f, "{}", self.0)
    }
}
impl std::error::Error for Error {}

#[tokio::main]
async fn main() -> Result<(), Error> {
    tracing_subscriber::fmt::init();
    let sdk_config = aws_config::from_env().load().await;
    let client = Client::new(&sdk_config);

    let describe_db_clusters_output = client
        .describe_db_clusters()
        .send()
        .await
        .map_err(|e| Error(e.to_string()))?;
    println!(
        "Found {} clusters:",
        describe_db_clusters_output.db_clusters().len()
    );
    for cluster in describe_db_clusters_output.db_clusters() {
        let name = cluster.database_name().unwrap_or("Unknown");
        let engine = cluster.engine().unwrap_or("Unknown");
        let id = cluster.db_cluster_identifier().unwrap_or("Unknown");
        let class = cluster.db_cluster_instance_class().unwrap_or("Unknown");
        println!("\tDatabase: {name}",);
        println!("\t  Engine: {engine}",);
        println!("\t      ID: {id}",);
        println!("\tInstance: {class}",);
    }

    Ok(())
}
```
+  Einzelheiten zur API finden Sie unter [DBClustersDescribe](https://docs.rs/aws-sdk-rds/latest/aws_sdk_rds/client/struct.Client.html#method.describe_db_clusters) in *AWS SDK for Rust API-Referenz*. 

------