Namenode should use loginUser(hdfs) to generateEncryptedKey. Contributed by Xiaoyu Yao.
This commit is contained in:
Xiaoyu Yao
parent
89c0bff719
commit
9f816d7ca7
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@ -22,6 +22,7 @@ import static org.apache.hadoop.hdfs.server.common.HdfsServerConstants.CRYPTO_XA
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import java.io.FileNotFoundException;
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import java.io.IOException;
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import java.security.GeneralSecurityException;
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import java.security.PrivilegedExceptionAction;
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import java.util.AbstractMap;
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import java.util.concurrent.ExecutorService;
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import java.util.EnumSet;
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@ -45,6 +46,7 @@ import org.apache.hadoop.hdfs.protocol.HdfsFileStatus;
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import org.apache.hadoop.hdfs.protocol.SnapshotAccessControlException;
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import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos;
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import org.apache.hadoop.hdfs.protocolPB.PBHelperClient;
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import org.apache.hadoop.security.SecurityUtil;
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import com.google.common.base.Preconditions;
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import com.google.common.collect.Lists;
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@ -76,13 +78,22 @@ final class FSDirEncryptionZoneOp {
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if (ezKeyName == null) {
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return null;
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}
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EncryptedKeyVersion edek = null;
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long generateEDEKStartTime = monotonicNow();
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// Generate EDEK with login user (hdfs) so that KMS does not need
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// an extra proxy configuration allowing hdfs to proxy its clients and
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// KMS does not need configuration to allow non-hdfs user GENERATE_EEK
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// operation.
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EncryptedKeyVersion edek = SecurityUtil.doAsLoginUser(
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new PrivilegedExceptionAction<EncryptedKeyVersion>() {
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@Override
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public EncryptedKeyVersion run() throws IOException {
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try {
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edek = fsd.getProvider().generateEncryptedKey(ezKeyName);
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return fsd.getProvider().generateEncryptedKey(ezKeyName);
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} catch (GeneralSecurityException e) {
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throw new IOException(e);
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}
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}
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});
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long generateEDEKTime = monotonicNow() - generateEDEKStartTime;
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NameNode.getNameNodeMetrics().addGenerateEDEKTime(generateEDEKTime);
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Preconditions.checkNotNull(edek);
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@ -0,0 +1,305 @@
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/**
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.hadoop.hdfs;
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import static org.junit.Assert.assertTrue;
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import static org.apache.hadoop.fs.CommonConfigurationKeys.IPC_CLIENT_CONNECT_MAX_RETRIES_ON_SASL_KEY;
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import static org.apache.hadoop.fs.CommonConfigurationKeysPublic.KMS_CLIENT_ENC_KEY_CACHE_LOW_WATERMARK;
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import static org.apache.hadoop.fs.CommonConfigurationKeysPublic.KMS_CLIENT_ENC_KEY_CACHE_SIZE;
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import static org.apache.hadoop.hdfs.client.HdfsClientConfigKeys.DFS_DATA_TRANSFER_PROTECTION_KEY;
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import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_BLOCK_ACCESS_TOKEN_ENABLE_KEY;
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import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_CLIENT_HTTPS_KEYSTORE_RESOURCE_KEY;
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import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_DATANODE_HTTPS_ADDRESS_KEY;
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import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_DATANODE_KERBEROS_PRINCIPAL_KEY;
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import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_DATANODE_KEYTAB_FILE_KEY;
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import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_HTTP_POLICY_KEY;
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import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_JOURNALNODE_HTTPS_ADDRESS_KEY;
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import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_NAMENODE_HTTPS_ADDRESS_KEY;
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import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_NAMENODE_KERBEROS_PRINCIPAL_KEY;
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import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_NAMENODE_KEYTAB_FILE_KEY;
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import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_SERVER_HTTPS_KEYSTORE_RESOURCE_KEY;
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import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_WEB_AUTHENTICATION_KERBEROS_PRINCIPAL_KEY;
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import java.io.File;
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import java.io.FileWriter;
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import java.io.IOException;
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import java.io.Writer;
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import java.security.PrivilegedExceptionAction;
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import java.util.EnumSet;
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import java.util.Properties;
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import java.util.UUID;
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import org.apache.hadoop.conf.Configuration;
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import org.apache.hadoop.crypto.key.kms.KMSClientProvider;
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import org.apache.hadoop.crypto.key.kms.server.KMSConfiguration;
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import org.apache.hadoop.crypto.key.kms.server.MiniKMS;
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import org.apache.hadoop.fs.FileSystem;
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import org.apache.hadoop.fs.FileSystemTestWrapper;
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import org.apache.hadoop.fs.FileUtil;
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import org.apache.hadoop.fs.Path;
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import org.apache.hadoop.fs.permission.FsPermission;
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import org.apache.hadoop.hdfs.client.CreateEncryptionZoneFlag;
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import org.apache.hadoop.hdfs.client.HdfsAdmin;
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import org.apache.hadoop.http.HttpConfig;
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import org.apache.hadoop.io.IOUtils;
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import org.apache.hadoop.minikdc.MiniKdc;
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import org.apache.hadoop.security.SecurityUtil;
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import org.apache.hadoop.security.UserGroupInformation;
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import org.apache.hadoop.security.UserGroupInformation.AuthenticationMethod;
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import org.apache.hadoop.security.ssl.KeyStoreTestUtil;
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import org.junit.After;
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import org.junit.AfterClass;
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import org.junit.Before;
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import org.junit.BeforeClass;
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import org.junit.Rule;
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import org.junit.Test;
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import org.junit.rules.Timeout;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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/**
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* Test for HDFS encryption zone without external Kerberos KDC by leveraging
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* Kerby-based MiniKDC, MiniKMS and MiniDFSCluster. This provides additional
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* unit test coverage on Secure(Kerberos) KMS + HDFS.
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*/
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public class TestSecureEncryptionZoneWithKMS {
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public static final Logger LOG = LoggerFactory.getLogger(
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TestSecureEncryptionZoneWithKMS.class);
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private static final Path TEST_PATH = new Path("/test-dir");
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private static HdfsConfiguration baseConf;
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private static File baseDir;
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private static final EnumSet< CreateEncryptionZoneFlag > NO_TRASH =
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EnumSet.of(CreateEncryptionZoneFlag.NO_TRASH);
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private static final String HDFS_USER_NAME = "hdfs";
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private static final String SPNEGO_USER_NAME = "HTTP";
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private static final String OOZIE_USER_NAME = "oozie";
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private static final String OOZIE_PROXIED_USER_NAME = "oozie_user";
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private static String hdfsPrincipal;
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private static String spnegoPrincipal;
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private static String ooziePrincipal;
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private static String keytab;
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// MiniKDC
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private static MiniKdc kdc;
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// MiniKMS
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private static MiniKMS miniKMS;
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private final String testKey = "test_key";
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// MiniDFS
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private MiniDFSCluster cluster;
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private HdfsConfiguration conf;
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private FileSystem fs;
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private HdfsAdmin dfsAdmin;
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private FileSystemTestWrapper fsWrapper;
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public static File getTestDir() throws Exception {
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File file = new File("dummy");
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file = file.getAbsoluteFile();
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file = file.getParentFile();
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file = new File(file, "target");
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file = new File(file, UUID.randomUUID().toString());
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if (!file.mkdirs()) {
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throw new RuntimeException("Could not create test directory: " + file);
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}
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return file;
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}
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@Rule
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public Timeout timeout = new Timeout(30000);
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@BeforeClass
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public static void init() throws Exception {
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baseDir = getTestDir();
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FileUtil.fullyDelete(baseDir);
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assertTrue(baseDir.mkdirs());
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Properties kdcConf = MiniKdc.createConf();
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kdc = new MiniKdc(kdcConf, baseDir);
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kdc.start();
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baseConf = new HdfsConfiguration();
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SecurityUtil.setAuthenticationMethod(AuthenticationMethod.KERBEROS,
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baseConf);
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UserGroupInformation.setConfiguration(baseConf);
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assertTrue("Expected configuration to enable security",
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UserGroupInformation.isSecurityEnabled());
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File keytabFile = new File(baseDir, "test.keytab");
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keytab = keytabFile.getAbsolutePath();
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// Windows will not reverse name lookup "127.0.0.1" to "localhost".
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String krbInstance = Path.WINDOWS ? "127.0.0.1" : "localhost";
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kdc.createPrincipal(keytabFile,
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HDFS_USER_NAME + "/" + krbInstance,
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SPNEGO_USER_NAME + "/" + krbInstance,
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OOZIE_USER_NAME + "/" + krbInstance,
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OOZIE_PROXIED_USER_NAME + "/" + krbInstance);
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hdfsPrincipal = HDFS_USER_NAME + "/" + krbInstance + "@" + kdc
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.getRealm();
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spnegoPrincipal = SPNEGO_USER_NAME + "/" + krbInstance + "@" +
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kdc.getRealm();
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ooziePrincipal = OOZIE_USER_NAME + "/" + krbInstance + "@" +
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kdc.getRealm();
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// Allow oozie to proxy user
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baseConf.set("hadoop.proxyuser.oozie.hosts", "*");
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baseConf.set("hadoop.proxyuser.oozie.groups", "*");
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baseConf.set("hadoop.user.group.static.mapping.overrides",
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OOZIE_PROXIED_USER_NAME + "=oozie");
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baseConf.set(DFS_NAMENODE_KERBEROS_PRINCIPAL_KEY, hdfsPrincipal);
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baseConf.set(DFS_NAMENODE_KEYTAB_FILE_KEY, keytab);
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baseConf.set(DFS_DATANODE_KERBEROS_PRINCIPAL_KEY, hdfsPrincipal);
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baseConf.set(DFS_DATANODE_KEYTAB_FILE_KEY, keytab);
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baseConf.set(DFS_WEB_AUTHENTICATION_KERBEROS_PRINCIPAL_KEY,
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spnegoPrincipal);
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baseConf.setBoolean(DFS_BLOCK_ACCESS_TOKEN_ENABLE_KEY, true);
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baseConf.set(DFS_DATA_TRANSFER_PROTECTION_KEY, "authentication");
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baseConf.set(DFS_HTTP_POLICY_KEY, HttpConfig.Policy.HTTPS_ONLY.name());
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baseConf.set(DFS_NAMENODE_HTTPS_ADDRESS_KEY, "localhost:0");
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baseConf.set(DFS_DATANODE_HTTPS_ADDRESS_KEY, "localhost:0");
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baseConf.set(DFS_JOURNALNODE_HTTPS_ADDRESS_KEY, "localhost:0");
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baseConf.setInt(IPC_CLIENT_CONNECT_MAX_RETRIES_ON_SASL_KEY, 10);
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// Set a small (2=4*0.5) KMSClient EDEK cache size to trigger
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// on demand refill upon the 3rd file creation
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baseConf.set(KMS_CLIENT_ENC_KEY_CACHE_SIZE, "4");
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baseConf.set(KMS_CLIENT_ENC_KEY_CACHE_LOW_WATERMARK, "0.5");
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String keystoresDir = baseDir.getAbsolutePath();
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String sslConfDir = KeyStoreTestUtil.getClasspathDir(
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TestSecureEncryptionZoneWithKMS.class);
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KeyStoreTestUtil.setupSSLConfig(keystoresDir, sslConfDir, baseConf, false);
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baseConf.set(DFS_CLIENT_HTTPS_KEYSTORE_RESOURCE_KEY,
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KeyStoreTestUtil.getClientSSLConfigFileName());
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baseConf.set(DFS_SERVER_HTTPS_KEYSTORE_RESOURCE_KEY,
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KeyStoreTestUtil.getServerSSLConfigFileName());
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File kmsFile = new File(baseDir, "kms-site.xml");
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if (kmsFile.exists()) {
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FileUtil.fullyDelete(kmsFile);
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}
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Configuration kmsConf = new Configuration(true);
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kmsConf.set(KMSConfiguration.KEY_PROVIDER_URI,
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"jceks://file@" + new Path(baseDir.toString(), "kms.keystore")
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.toUri());
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kmsConf.set("hadoop.kms.authentication.type", "kerberos");
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kmsConf.set("hadoop.kms.authentication.kerberos.keytab", keytab);
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kmsConf.set("hadoop.kms.authentication.kerberos.principal",
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"HTTP/localhost");
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kmsConf.set("hadoop.kms.authentication.kerberos.name.rules", "DEFAULT");
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kmsConf.set("hadoop.kms.acl.GENERATE_EEK", "hdfs");
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Writer writer = new FileWriter(kmsFile);
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kmsConf.writeXml(writer);
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writer.close();
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// Start MiniKMS
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MiniKMS.Builder miniKMSBuilder = new MiniKMS.Builder();
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miniKMS = miniKMSBuilder.setKmsConfDir(baseDir).build();
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miniKMS.start();
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}
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@AfterClass
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public static void destroy() {
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if (kdc != null) {
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kdc.stop();
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}
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if (miniKMS != null) {
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miniKMS.stop();
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}
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FileUtil.fullyDelete(baseDir);
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}
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@Before
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public void setup() throws Exception {
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// Start MiniDFS Cluster
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baseConf.set(DFSConfigKeys.DFS_ENCRYPTION_KEY_PROVIDER_URI,
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getKeyProviderURI());
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baseConf.setBoolean(DFSConfigKeys
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.DFS_NAMENODE_DELEGATION_TOKEN_ALWAYS_USE_KEY, true);
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conf = new HdfsConfiguration(baseConf);
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cluster = new MiniDFSCluster.Builder(conf)
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.build();
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cluster.waitActive();
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fs = cluster.getFileSystem();
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fsWrapper = new FileSystemTestWrapper(fs);
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dfsAdmin = new HdfsAdmin(cluster.getURI(), conf);
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// Wait cluster to be active
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cluster.waitActive();
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// Create a test key
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DFSTestUtil.createKey(testKey, cluster, conf);
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}
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@After
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public void shutdown() throws IOException {
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IOUtils.cleanup(null, fs);
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if (cluster != null) {
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cluster.shutdown();
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cluster = null;
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}
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}
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private String getKeyProviderURI() {
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return KMSClientProvider.SCHEME_NAME + "://" +
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miniKMS.getKMSUrl().toExternalForm().replace("://", "@");
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}
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@Test
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public void testSecureEncryptionZoneWithKMS() throws IOException,
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InterruptedException {
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final Path zonePath = new Path(TEST_PATH, "TestEZ1");
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fsWrapper.mkdir(zonePath, FsPermission.getDirDefault(), true);
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fsWrapper.setOwner(zonePath, OOZIE_PROXIED_USER_NAME, "supergroup");
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dfsAdmin.createEncryptionZone(zonePath, testKey, NO_TRASH);
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UserGroupInformation oozieUgi = UserGroupInformation
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.loginUserFromKeytabAndReturnUGI(ooziePrincipal, keytab);
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UserGroupInformation proxyUserUgi =
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UserGroupInformation.createProxyUser(OOZIE_PROXIED_USER_NAME,
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oozieUgi);
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proxyUserUgi.doAs(
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new PrivilegedExceptionAction<Void>() {
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@Override
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public Void run() throws IOException {
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// Get a client handler within the proxy user context for createFile
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try (DistributedFileSystem dfs = cluster.getFileSystem()) {
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for (int i = 0; i < 3; i++) {
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Path filePath = new Path(zonePath, "testData." + i + ".dat");
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DFSTestUtil.createFile(dfs, filePath, 1024, (short) 3, 1L);
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}
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return null;
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} catch (IOException e) {
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throw new IOException(e);
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}
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}
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});
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}
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}
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