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HDFS-14390. Provide kerberos support for AliasMap service used by Pro…
…vided storage. Contributed by Ashvin Agrawal
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.../hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/aliasmap/TestSecureAliasMap.java
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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. | ||
| */ | ||
|
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| package org.apache.hadoop.hdfs.server.aliasmap; | ||
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| import org.apache.hadoop.fs.FileSystem; | ||
| import org.apache.hadoop.fs.FileUtil; | ||
| import org.apache.hadoop.fs.Path; | ||
| import org.apache.hadoop.fs.StorageType; | ||
| import org.apache.hadoop.hdfs.DFSConfigKeys; | ||
| import org.apache.hadoop.hdfs.HdfsConfiguration; | ||
| import org.apache.hadoop.hdfs.MiniDFSCluster; | ||
| import org.apache.hadoop.hdfs.qjournal.TestSecureNNWithQJM; | ||
| import org.apache.hadoop.hdfs.server.blockmanagement.BlockManager; | ||
| import org.apache.hadoop.hdfs.server.common.blockaliasmap.BlockAliasMap; | ||
| import org.apache.hadoop.hdfs.server.datanode.DataNode; | ||
| import org.apache.hadoop.hdfs.server.datanode.fsdataset.FsDatasetSpi; | ||
| import org.apache.hadoop.hdfs.server.datanode.fsdataset.FsVolumeSpi; | ||
| import org.apache.hadoop.hdfs.server.namenode.FSNamesystem; | ||
| import org.apache.hadoop.io.IOUtils; | ||
| import org.apache.hadoop.minikdc.MiniKdc; | ||
| import org.apache.hadoop.net.NetUtils; | ||
| import org.apache.hadoop.security.SecurityUtil; | ||
| import org.apache.hadoop.security.UserGroupInformation; | ||
| import org.apache.hadoop.security.ssl.KeyStoreTestUtil; | ||
| import org.apache.hadoop.test.GenericTestUtils; | ||
| import org.junit.After; | ||
| import org.junit.AfterClass; | ||
| import org.junit.BeforeClass; | ||
| import org.junit.Test; | ||
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|
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| import java.io.File; | ||
| import java.io.IOException; | ||
| import java.util.Properties; | ||
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| import static org.junit.Assert.assertEquals; | ||
| import static org.junit.Assert.assertNotNull; | ||
| import static org.junit.Assert.assertTrue; | ||
|
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| /** | ||
| * Test DN & NN communication in secured hdfs with alias map. | ||
| */ | ||
| public class TestSecureAliasMap { | ||
| private static HdfsConfiguration baseConf; | ||
| private static File baseDir; | ||
| private static MiniKdc kdc; | ||
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| private static String keystoresDir; | ||
| private static String sslConfDir; | ||
| private MiniDFSCluster cluster; | ||
| private HdfsConfiguration conf; | ||
| private FileSystem fs; | ||
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| @BeforeClass | ||
| public static void init() throws Exception { | ||
| baseDir = | ||
| GenericTestUtils.getTestDir(TestSecureAliasMap.class.getSimpleName()); | ||
| FileUtil.fullyDelete(baseDir); | ||
| assertTrue(baseDir.mkdirs()); | ||
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| Properties kdcConf = MiniKdc.createConf(); | ||
| kdc = new MiniKdc(kdcConf, baseDir); | ||
| kdc.start(); | ||
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| baseConf = new HdfsConfiguration(); | ||
| SecurityUtil.setAuthenticationMethod( | ||
| UserGroupInformation.AuthenticationMethod.KERBEROS, baseConf); | ||
| UserGroupInformation.setConfiguration(baseConf); | ||
| assertTrue("Expected configuration to enable security", | ||
| UserGroupInformation.isSecurityEnabled()); | ||
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| String userName = UserGroupInformation.getLoginUser().getShortUserName(); | ||
| File keytabFile = new File(baseDir, userName + ".keytab"); | ||
| String keytab = keytabFile.getAbsolutePath(); | ||
| // Windows will not reverse name lookup "127.0.0.1" to "localhost". | ||
| String krbInstance = Path.WINDOWS ? "127.0.0.1" : "localhost"; | ||
| kdc.createPrincipal(keytabFile, userName + "/" + krbInstance, | ||
| "HTTP/" + krbInstance); | ||
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| keystoresDir = baseDir.getAbsolutePath(); | ||
| sslConfDir = KeyStoreTestUtil.getClasspathDir(TestSecureNNWithQJM.class); | ||
| MiniDFSCluster.setupKerberosConfiguration(baseConf, userName, | ||
| kdc.getRealm(), keytab, keystoresDir, sslConfDir); | ||
| } | ||
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| @AfterClass | ||
| public static void destroy() throws Exception { | ||
| if (kdc != null) { | ||
| kdc.stop(); | ||
| } | ||
| FileUtil.fullyDelete(baseDir); | ||
| KeyStoreTestUtil.cleanupSSLConfig(keystoresDir, sslConfDir); | ||
| } | ||
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| @After | ||
| public void shutdown() throws IOException { | ||
| IOUtils.cleanupWithLogger(null, fs); | ||
| if (cluster != null) { | ||
| cluster.shutdown(); | ||
| cluster = null; | ||
| } | ||
| } | ||
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| @Test | ||
| public void testSecureConnectionToAliasMap() throws Exception { | ||
| conf = new HdfsConfiguration(baseConf); | ||
| MiniDFSCluster.setupNamenodeProvidedConfiguration(conf); | ||
| conf.set(DFSConfigKeys.DFS_PROVIDED_ALIASMAP_INMEMORY_RPC_ADDRESS, | ||
| "127.0.0.1:" + NetUtils.getFreeSocketPort()); | ||
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| int numNodes = 1; | ||
| cluster = new MiniDFSCluster.Builder(conf).numDataNodes(numNodes) | ||
| .storageTypes( | ||
| new StorageType[] {StorageType.DISK, StorageType.PROVIDED}) | ||
| .build(); | ||
| cluster.waitActive(); | ||
| fs = cluster.getFileSystem(); | ||
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| FSNamesystem namesystem = cluster.getNamesystem(); | ||
| BlockManager blockManager = namesystem.getBlockManager(); | ||
| DataNode dn = cluster.getDataNodes().get(0); | ||
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| FsDatasetSpi.FsVolumeReferences volumes = | ||
| dn.getFSDataset().getFsVolumeReferences(); | ||
| FsVolumeSpi providedVolume = null; | ||
| for (FsVolumeSpi volume : volumes) { | ||
| if (volume.getStorageType().equals(StorageType.PROVIDED)) { | ||
| providedVolume = volume; | ||
| break; | ||
| } | ||
| } | ||
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| String[] bps = providedVolume.getBlockPoolList(); | ||
| assertEquals("Missing provided volume", 1, bps.length); | ||
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| BlockAliasMap aliasMap = blockManager.getProvidedStorageMap().getAliasMap(); | ||
| BlockAliasMap.Reader reader = aliasMap.getReader(null, bps[0]); | ||
| assertNotNull("Failed to create blockAliasMap reader", reader); | ||
| } | ||
| } |