IcebergS3TablesMetaStoreProperties.java

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

import org.apache.doris.datasource.iceberg.IcebergExternalCatalog;
import org.apache.doris.datasource.property.common.IcebergAwsClientCredentialsProperties;
import org.apache.doris.datasource.property.storage.S3Properties;
import org.apache.doris.datasource.property.storage.StorageProperties;

import org.apache.commons.lang3.StringUtils;
import org.apache.commons.lang3.exception.ExceptionUtils;
import org.apache.iceberg.aws.AwsClientProperties;
import org.apache.iceberg.catalog.Catalog;
import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.s3tables.S3TablesClient;
import software.amazon.awssdk.services.s3tables.S3TablesClientBuilder;
import software.amazon.s3tables.iceberg.S3TablesCatalog;
import software.amazon.s3tables.iceberg.S3TablesProperties;
import software.amazon.s3tables.iceberg.imports.HttpClientProperties;

import java.net.URI;
import java.util.List;
import java.util.Map;

public class IcebergS3TablesMetaStoreProperties extends AbstractIcebergProperties {

    private S3Properties s3Properties;

    public IcebergS3TablesMetaStoreProperties(Map<String, String> props) {
        super(props);
    }

    @Override
    public String getIcebergCatalogType() {
        return IcebergExternalCatalog.ICEBERG_S3_TABLES;
    }

    @Override
    public void initNormalizeAndCheckProps() {
        super.initNormalizeAndCheckProps();
        s3Properties = S3Properties.of(origProps);
    }

    @Override
    public Catalog initCatalog(String catalogName, Map<String, String> catalogProps,
                               List<StorageProperties> storagePropertiesList) {
        buildS3CatalogProperties(catalogProps);
        S3TablesClient client = buildS3TablesClient(catalogProps);
        S3TablesCatalog catalog = new S3TablesCatalog();
        try {
            catalog.initialize(catalogName, catalogProps, client);
            return catalog;
        } catch (Exception e) {
            throw new RuntimeException("Failed to initialize S3TablesCatalog for Iceberg. "
                    + "CatalogName=" + catalogName + ", region=" + s3Properties.getRegion()
                    + ", msg: " + ExceptionUtils.getRootCauseMessage(e), e);
        }
    }

    private void buildS3CatalogProperties(Map<String, String> props) {
        props.put(AwsClientProperties.CLIENT_REGION, s3Properties.getRegion());
        IcebergAwsClientCredentialsProperties.putS3FileIOCredentialProperties(props, s3Properties);
    }

    private S3TablesClient buildS3TablesClient(Map<String, String> props) {
        S3TablesClientBuilder builder = S3TablesClient.builder()
                .region(Region.of(s3Properties.getRegion()))
                .credentialsProvider(IcebergAwsClientCredentialsProperties.createAwsCredentialsProvider(
                        s3Properties, false));
        String s3TablesEndpoint = props.get(S3TablesProperties.S3TABLES_ENDPOINT);
        if (StringUtils.isNotBlank(s3TablesEndpoint)) {
            builder.endpointOverride(URI.create(s3TablesEndpoint));
        }
        new HttpClientProperties(props).applyHttpClientConfigurations(builder);
        return builder.build();
    }
}