PaimonFileSystemMetaStoreProperties.java

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

import org.apache.doris.common.security.authentication.HadoopExecutionAuthenticator;
import org.apache.doris.datasource.paimon.PaimonExternalCatalog;
import org.apache.doris.datasource.property.storage.HdfsProperties;
import org.apache.doris.datasource.property.storage.StorageProperties;

import org.apache.hadoop.conf.Configuration;
import org.apache.paimon.catalog.Catalog;
import org.apache.paimon.catalog.CatalogContext;
import org.apache.paimon.catalog.CatalogFactory;
import org.apache.paimon.catalog.FileSystemCatalogFactory;

import java.util.List;
import java.util.Map;

public class PaimonFileSystemMetaStoreProperties extends AbstractPaimonProperties {
    protected PaimonFileSystemMetaStoreProperties(Map<String, String> props) {
        super(props);
    }

    @Override
    public Catalog initializeCatalog(String catalogName, List<StorageProperties> storagePropertiesList) {
        buildCatalogOptions(storagePropertiesList);
        Configuration conf = new Configuration();
        storagePropertiesList.forEach(storageProperties -> {
            for (Map.Entry<String, String> entry : storageProperties.getHadoopStorageConfig()) {
                catalogOptions.set(entry.getKey(), entry.getValue());
            }
            conf.addResource(storageProperties.getHadoopStorageConfig());
            if (storageProperties.getType().equals(StorageProperties.Type.HDFS)) {
                this.executionAuthenticator = new HadoopExecutionAuthenticator(((HdfsProperties) storageProperties)
                        .getHadoopAuthenticator());
            }
        });

        CatalogContext catalogContext = CatalogContext.create(catalogOptions, conf);
        try {
            return this.executionAuthenticator.execute(() -> CatalogFactory.createCatalog(catalogContext));
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }

    @Override
    protected void appendCustomCatalogOptions() {
        //nothing need to do
    }

    @Override
    protected String getMetastoreType() {
        return FileSystemCatalogFactory.IDENTIFIER;
    }

    @Override
    public String getPaimonCatalogType() {
        return PaimonExternalCatalog.PAIMON_FILESYSTEM;
    }
}