Use CreateDomain com um AWS SDK ou CLI

import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.opensearch.OpenSearchClient;
import software.amazon.awssdk.services.opensearch.model.ClusterConfig;
import software.amazon.awssdk.services.opensearch.model.EBSOptions;
import software.amazon.awssdk.services.opensearch.model.VolumeType;
import software.amazon.awssdk.services.opensearch.model.NodeToNodeEncryptionOptions;
import software.amazon.awssdk.services.opensearch.model.CreateDomainRequest;
import software.amazon.awssdk.services.opensearch.model.CreateDomainResponse;
import software.amazon.awssdk.services.opensearch.model.OpenSearchException;

/**
 * Before running this Java V2 code example, set up your development
 * environment, including your credentials.
 *
 * For more information, see the following documentation topic:
 *
 * https://docs.aws.amazon.com/sdk-for-java/latest/developer-guide/get-started.html
 */
public class CreateDomain {
    public static void main(String[] args) {
        final String usage = """

                Usage:
                    <domainName>

                Where:
                    domainName - The name of the domain to create.
                """;

        if (args.length != 1) {
            System.out.println(usage);
            System.exit(1);
        }

        String domainName = args[0];
        Region region = Region.US_EAST_1;
        OpenSearchClient searchClient = OpenSearchClient.builder()
                .region(region)
                .build();

        createNewDomain(searchClient, domainName);
        System.out.println("Done");
    }

    public static void createNewDomain(OpenSearchClient searchClient, String domainName) {
        try {
            ClusterConfig clusterConfig = ClusterConfig.builder()
                    .dedicatedMasterEnabled(true)
                    .dedicatedMasterCount(3)
                    .dedicatedMasterType("t2.small.search")
                    .instanceType("t2.small.search")
                    .instanceCount(5)
                    .build();

            EBSOptions ebsOptions = EBSOptions.builder()
                    .ebsEnabled(true)
                    .volumeSize(10)
                    .volumeType(VolumeType.GP2)
                    .build();

            NodeToNodeEncryptionOptions encryptionOptions = NodeToNodeEncryptionOptions.builder()
                    .enabled(true)
                    .build();

            CreateDomainRequest domainRequest = CreateDomainRequest.builder()
                    .domainName(domainName)
                    .engineVersion("OpenSearch_1.0")
                    .clusterConfig(clusterConfig)
                    .ebsOptions(ebsOptions)
                    .nodeToNodeEncryptionOptions(encryptionOptions)
                    .build();

            System.out.println("Sending domain creation request...");
            CreateDomainResponse createResponse = searchClient.createDomain(domainRequest);
            System.out.println("Domain status is " + createResponse.domainStatus().toString());
            System.out.println("Domain Id is " + createResponse.domainStatus().domainId());

        } catch (OpenSearchException e) {
            System.err.println(e.awsErrorDetails().errorMessage());
            System.exit(1);
        }
    }
}

suspend fun createNewDomain(domainNameVal: String?) {
    val clusterConfigOb =
        ClusterConfig {
            dedicatedMasterEnabled = true
            dedicatedMasterCount = 3
            dedicatedMasterType = OpenSearchPartitionInstanceType.fromValue("t2.small.search")
            instanceType = OpenSearchPartitionInstanceType.fromValue("t2.small.search")
            instanceCount = 5
        }

    val ebsOptionsOb =
        EbsOptions {
            ebsEnabled = true
            volumeSize = 10
            volumeType = VolumeType.Gp2
        }

    val encryptionOptionsOb =
        NodeToNodeEncryptionOptions {
            enabled = true
        }

    val request =
        CreateDomainRequest {
            domainName = domainNameVal
            engineVersion = "OpenSearch_1.0"
            clusterConfig = clusterConfigOb
            ebsOptions = ebsOptionsOb
            nodeToNodeEncryptionOptions = encryptionOptionsOb
        }

    println("Sending domain creation request...")
    OpenSearchClient { region = "us-east-1" }.use { searchClient ->
        val createResponse = searchClient.createDomain(request)
        println("Domain status is ${createResponse.domainStatus}")
        println("Domain Id is ${createResponse.domainStatus?.domainId}")
    }
}