Java AmazonS3 AssumeRole 自分用メモ

AssumeRole

pom.xml

<dependency>
    <groupId>software.amazon.awssdk</groupId>
    <artifactId>s3</artifactId>
    <version>2.25.1</version>
</dependency>

<dependency>
    <groupId>software.amazon.awssdk</groupId>
    <artifactId>sts</artifactId>
    <version>2.25.1</version>
</dependency>

import software.amazon.awssdk.core.regions.Region;
import software.amazon.awssdk.services.s3.S3Client;
import software.amazon.awssdk.services.sts.StsClient;
import software.amazon.awssdk.services.sts.auth.StsAssumeRoleCredentialsProvider;
import software.amazon.awssdk.services.sts.model.AssumeRoleRequest;

private S3Client getS3Client() {

    String region = "ap-northeast-1";
    String role = "arn:aws:iam::XXXXXXXXXXXX:role/switchrole-test";
    String sesionName = "Test";
    String bucketName = "Test";

    StsClinet stsClient = StsClient.builder()
        .region(Region.of(region))
        .build();

    AssumeRoleRequest assumeRoleRequest = AssumeRoleRequset.builder()
        .roleArn(role)
        .roleSessionName(sessionName)
        .build();

    StsAssumeRoleCredentialsProvider provider = StsAssumeRoleCredentialsProvider.builder()
        .sttsClient(stsClient)
        .refreshRequest(assumeRoleRequest)
        .build();

    S3Client s3Client = S3Client.builder()
        .credentialsProvider(provider)
        .region(Region.of(region))
        .build();
        
    return s3Client;
}