IcebergAwsAssumeRoleProperties.java

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package org.apache.doris.datasource.property.common;

import org.apache.commons.lang3.StringUtils;
import org.apache.iceberg.aws.AssumeRoleAwsClientFactory;
import org.apache.iceberg.aws.AwsProperties;

import java.util.Map;

/**
 * Shared util for putting Iceberg AWS assume-role properties into a map.
 * Used by Iceberg REST (glue/s3tables signing), S3 Tables catalog, and S3 FileIO.
 */
public final class IcebergAwsAssumeRoleProperties {

    private IcebergAwsAssumeRoleProperties() {}

    /**
     * Puts assume-role related AwsProperties into the target map when roleArn is present.
     * No-op if roleArn is blank.
     */
    public static void putAssumeRoleProperties(Map<String, String> target,
            String region, String roleArn, String externalId) {
        if (StringUtils.isBlank(roleArn)) {
            return;
        }
        target.put(AwsProperties.CLIENT_FACTORY, AssumeRoleAwsClientFactory.class.getName());
        target.put("aws.region", region);
        target.put(AwsProperties.CLIENT_ASSUME_ROLE_REGION, region);
        target.put(AwsProperties.CLIENT_ASSUME_ROLE_ARN, roleArn);
        if (StringUtils.isNotBlank(externalId)) {
            target.put(AwsProperties.CLIENT_ASSUME_ROLE_EXTERNAL_ID, externalId);
        }
    }
}