HMSBaseConnectivityTester.java

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// to you under the Apache License, Version 2.0 (the
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//
//   http://www.apache.org/licenses/LICENSE-2.0
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package org.apache.doris.datasource.connectivity;

import org.apache.doris.datasource.property.metastore.HMSBaseProperties;

import org.apache.hadoop.hive.conf.HiveConf;
import org.apache.hadoop.hive.metastore.HiveMetaHookLoader;
import org.apache.hadoop.hive.metastore.IMetaStoreClient;
import org.apache.hadoop.hive.metastore.RetryingMetaStoreClient;

public class HMSBaseConnectivityTester implements MetaConnectivityTester {
    private static final HiveMetaHookLoader DUMMY_HOOK_LOADER = t -> null;
    private final HMSBaseProperties properties;

    public HMSBaseConnectivityTester(HMSBaseProperties properties) {
        this.properties = properties;
    }

    @Override
    public String getTestType() {
        return "HMS";
    }

    @Override
    public void testConnection() throws Exception {
        HiveConf hiveConf = properties.getHiveConf();
        IMetaStoreClient client = null;
        try {
            client = properties.getHmsAuthenticator()
                    .doAs(() -> RetryingMetaStoreClient.getProxy(hiveConf, DUMMY_HOOK_LOADER,
                            org.apache.hadoop.hive.metastore.HiveMetaStoreClient.class.getName()));

            final IMetaStoreClient finalClient = client;
            properties.getHmsAuthenticator()
                    .doAs(finalClient::getAllDatabases);
        } finally {
            if (client != null) {
                try {
                    client.close();
                } catch (Exception ignored) {
                    // ignore
                }
            }
        }
    }
}