org.apache.hadoop.hdfs.protocol.datatransfer.sasl.SaslDataTransferTestCase.java Source code

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/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.hadoop.hdfs.protocol.datatransfer.sasl;

import static org.apache.hadoop.fs.CommonConfigurationKeys.IPC_CLIENT_CONNECT_MAX_RETRIES_ON_SASL_KEY;
import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_BLOCK_ACCESS_TOKEN_ENABLE_KEY;
import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_DATA_TRANSFER_PROTECTION_KEY;
import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_DATANODE_HTTPS_ADDRESS_KEY;
import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_DATANODE_KERBEROS_PRINCIPAL_KEY;
import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_DATANODE_KEYTAB_FILE_KEY;
import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_HTTP_POLICY_KEY;
import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_NAMENODE_HTTPS_ADDRESS_KEY;
import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_NAMENODE_KERBEROS_PRINCIPAL_KEY;
import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_NAMENODE_KEYTAB_FILE_KEY;
import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_WEB_AUTHENTICATION_KERBEROS_PRINCIPAL_KEY;
import static org.junit.Assert.*;

import java.io.File;
import java.util.Properties;

import org.apache.commons.lang.RandomStringUtils;
import org.apache.hadoop.fs.FileUtil;
import org.apache.hadoop.hdfs.HdfsConfiguration;
import org.apache.hadoop.http.HttpConfig;
import org.apache.hadoop.minikdc.MiniKdc;
import org.apache.hadoop.security.SecurityUtil;
import org.apache.hadoop.security.UserGroupInformation.AuthenticationMethod;
import org.apache.hadoop.security.ssl.KeyStoreTestUtil;
import org.junit.AfterClass;
import org.junit.BeforeClass;

public abstract class SaslDataTransferTestCase {

    private static File baseDir;
    private static String hdfsPrincipal;
    private static String userPrincipal;
    private static MiniKdc kdc;
    private static String hdfsKeytab;
    private static String userKeyTab;
    private static String spnegoPrincipal;

    public static String getUserKeyTab() {
        return userKeyTab;
    }

    public static String getUserPrincipal() {
        return userPrincipal;
    }

    public static String getHdfsPrincipal() {
        return hdfsPrincipal;
    }

    public static String getHdfsKeytab() {
        return hdfsKeytab;
    }

    @BeforeClass
    public static void initKdc() throws Exception {
        baseDir = new File(System.getProperty("test.build.dir", "target/test-dir"),
                SaslDataTransferTestCase.class.getSimpleName());
        FileUtil.fullyDelete(baseDir);
        assertTrue(baseDir.mkdirs());

        Properties kdcConf = MiniKdc.createConf();
        kdc = new MiniKdc(kdcConf, baseDir);
        kdc.start();

        String userName = RandomStringUtils.randomAlphabetic(8);
        File userKeytabFile = new File(baseDir, userName + ".keytab");
        userKeyTab = userKeytabFile.getAbsolutePath();
        kdc.createPrincipal(userKeytabFile, userName + "/localhost");
        userPrincipal = userName + "/localhost@" + kdc.getRealm();

        String superUserName = "hdfs";
        File hdfsKeytabFile = new File(baseDir, superUserName + ".keytab");
        hdfsKeytab = hdfsKeytabFile.getAbsolutePath();
        kdc.createPrincipal(hdfsKeytabFile, superUserName + "/localhost", "HTTP/localhost");
        hdfsPrincipal = superUserName + "/localhost@" + kdc.getRealm();
        spnegoPrincipal = "HTTP/localhost@" + kdc.getRealm();
    }

    @AfterClass
    public static void shutdownKdc() {
        if (kdc != null) {
            kdc.stop();
        }
        FileUtil.fullyDelete(baseDir);
    }

    /**
     * Creates configuration for starting a secure cluster.
     *
     * @param dataTransferProtection supported QOPs
     * @return configuration for starting a secure cluster
     * @throws Exception if there is any failure
     */
    protected HdfsConfiguration createSecureConfig(String dataTransferProtection) throws Exception {
        HdfsConfiguration conf = new HdfsConfiguration();
        SecurityUtil.setAuthenticationMethod(AuthenticationMethod.KERBEROS, conf);
        conf.set(DFS_NAMENODE_KERBEROS_PRINCIPAL_KEY, hdfsPrincipal);
        conf.set(DFS_NAMENODE_KEYTAB_FILE_KEY, hdfsKeytab);
        conf.set(DFS_DATANODE_KERBEROS_PRINCIPAL_KEY, hdfsPrincipal);
        conf.set(DFS_DATANODE_KEYTAB_FILE_KEY, hdfsKeytab);
        conf.set(DFS_WEB_AUTHENTICATION_KERBEROS_PRINCIPAL_KEY, spnegoPrincipal);
        conf.setBoolean(DFS_BLOCK_ACCESS_TOKEN_ENABLE_KEY, true);
        conf.set(DFS_DATA_TRANSFER_PROTECTION_KEY, dataTransferProtection);
        conf.set(DFS_HTTP_POLICY_KEY, HttpConfig.Policy.HTTPS_ONLY.name());
        conf.set(DFS_NAMENODE_HTTPS_ADDRESS_KEY, "localhost:0");
        conf.set(DFS_DATANODE_HTTPS_ADDRESS_KEY, "localhost:0");
        conf.setInt(IPC_CLIENT_CONNECT_MAX_RETRIES_ON_SASL_KEY, 10);

        String keystoresDir = baseDir.getAbsolutePath();
        String sslConfDir = KeyStoreTestUtil.getClasspathDir(this.getClass());
        KeyStoreTestUtil.setupSSLConfig(keystoresDir, sslConfDir, conf, false);
        return conf;
    }
}