| /** |
| * 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.tools; |
| |
| import java.io.IOException; |
| import java.net.URI; |
| import java.util.Map; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.fs.CommonConfigurationKeys; |
| import org.apache.hadoop.fs.FSDataInputStream; |
| import org.apache.hadoop.fs.FSDataOutputStream; |
| import org.apache.hadoop.fs.FileStatus; |
| import org.apache.hadoop.fs.FileSystem; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.hadoop.fs.permission.FsPermission; |
| import org.apache.hadoop.hdfs.DFSConfigKeys; |
| import org.apache.hadoop.hdfs.MiniDFSCluster; |
| import org.apache.hadoop.io.IOUtils; |
| import org.apache.hadoop.tools.util.DistCpTestUtils; |
| import org.apache.hadoop.util.Progressable; |
| |
| import org.junit.AfterClass; |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| |
| import org.apache.hadoop.thirdparty.com.google.common.collect.Maps; |
| |
| /** |
| * Tests distcp in combination with HDFS XAttrs. |
| */ |
| public class TestDistCpWithXAttrs { |
| |
| private static MiniDFSCluster cluster; |
| private static Configuration conf; |
| private static FileSystem fs; |
| |
| //XAttrs |
| private static final String name1 = "user.a1"; |
| private static final byte[] value1 = {0x31, 0x32, 0x33}; |
| private static final String name2 = "trusted.a2"; |
| private static final byte[] value2 = {0x37, 0x38, 0x39}; |
| private static final String name3 = "user.a3"; |
| private static final byte[] value3 = null; |
| private static final String name4 = "user.a4"; |
| private static final byte[] value4 = null; |
| |
| private static final Path dir1 = new Path("/src/dir1"); |
| private static final Path subDir1 = new Path(dir1, "subdir1"); |
| private static final Path file1 = new Path("/src/file1"); |
| private static final Path dir2 = new Path("/src/dir2"); |
| private static final Path file2 = new Path(dir2, "file2"); |
| private static final Path file3 = new Path(dir2, "file3"); |
| private static final Path file4 = new Path(dir2, "file4"); |
| private static final Path dstDir1 = new Path("/dstPreserveXAttrs/dir1"); |
| private static final Path dstSubDir1 = new Path(dstDir1, "subdir1"); |
| private static final Path dstFile1 = new Path("/dstPreserveXAttrs/file1"); |
| private static final Path dstDir2 = new Path("/dstPreserveXAttrs/dir2"); |
| private static final Path dstFile2 = new Path(dstDir2, "file2"); |
| private static final Path dstFile3 = new Path(dstDir2, "file3"); |
| private static final Path dstFile4 = new Path(dstDir2, "file4"); |
| private static final String rootedSrcName = "/src"; |
| |
| @BeforeClass |
| public static void init() throws Exception { |
| initCluster(true, true); |
| fs.mkdirs(subDir1); |
| fs.create(file1).close(); |
| fs.mkdirs(dir2); |
| fs.create(file2).close(); |
| fs.create(file3).close(); |
| fs.create(file4).close(); |
| |
| // dir1 |
| fs.setXAttr(dir1, name1, value1); |
| fs.setXAttr(dir1, name2, value2); |
| |
| // subDir1 |
| fs.setXAttr(subDir1, name1, value1); |
| fs.setXAttr(subDir1, name3, value3); |
| |
| // file1 |
| fs.setXAttr(file1, name1, value1); |
| fs.setXAttr(file1, name2, value2); |
| fs.setXAttr(file1, name3, value3); |
| |
| // dir2 |
| fs.setXAttr(dir2, name2, value2); |
| |
| // file2 |
| fs.setXAttr(file2, name1, value1); |
| fs.setXAttr(file2, name4, value4); |
| |
| // file3 |
| fs.setXAttr(file3, name3, value3); |
| fs.setXAttr(file3, name4, value4); |
| } |
| |
| @AfterClass |
| public static void shutdown() { |
| IOUtils.cleanupWithLogger(null, fs); |
| if (cluster != null) { |
| cluster.shutdown(); |
| } |
| } |
| |
| @Test |
| public void testPreserveXAttrs() throws Exception { |
| DistCpTestUtils.assertRunDistCp(DistCpConstants.SUCCESS, rootedSrcName, |
| "/dstPreserveXAttrs", "-px", conf); |
| |
| // dstDir1 |
| Map<String, byte[]> xAttrs = Maps.newHashMap(); |
| xAttrs.put(name1, value1); |
| xAttrs.put(name2, value2); |
| DistCpTestUtils.assertXAttrs(dstDir1, fs, xAttrs); |
| |
| // dstSubDir1 |
| xAttrs.clear(); |
| xAttrs.put(name1, value1); |
| xAttrs.put(name3, new byte[0]); |
| DistCpTestUtils.assertXAttrs(dstSubDir1, fs, xAttrs); |
| |
| // dstFile1 |
| xAttrs.clear(); |
| xAttrs.put(name1, value1); |
| xAttrs.put(name2, value2); |
| xAttrs.put(name3, new byte[0]); |
| DistCpTestUtils.assertXAttrs(dstFile1, fs, xAttrs); |
| |
| // dstDir2 |
| xAttrs.clear(); |
| xAttrs.put(name2, value2); |
| DistCpTestUtils.assertXAttrs(dstDir2, fs, xAttrs); |
| |
| // dstFile2 |
| xAttrs.clear(); |
| xAttrs.put(name1, value1); |
| xAttrs.put(name4, new byte[0]); |
| DistCpTestUtils.assertXAttrs(dstFile2, fs, xAttrs); |
| |
| // dstFile3 |
| xAttrs.clear(); |
| xAttrs.put(name3, new byte[0]); |
| xAttrs.put(name4, new byte[0]); |
| DistCpTestUtils.assertXAttrs(dstFile3, fs, xAttrs); |
| |
| // dstFile4 |
| xAttrs.clear(); |
| DistCpTestUtils.assertXAttrs(dstFile4, fs, xAttrs); |
| } |
| |
| @Test |
| public void testXAttrsNotEnabled() throws Exception { |
| try { |
| restart(false); |
| DistCpTestUtils.assertRunDistCp(DistCpConstants.XATTRS_NOT_SUPPORTED, |
| rootedSrcName, "/dstXAttrsNotEnabled", "-px", conf); |
| } finally { |
| restart(true); |
| } |
| } |
| |
| @Test |
| public void testXAttrsNotImplemented() throws Exception { |
| DistCpTestUtils.assertRunDistCp(DistCpConstants.XATTRS_NOT_SUPPORTED, |
| rootedSrcName, "stubfs://dstXAttrsNotImplemented", "-px", conf); |
| } |
| |
| /** |
| * Stub FileSystem implementation used for testing the case of attempting |
| * distcp with XAttrs preserved on a file system that does not support XAttrs. |
| * The base class implementation throws UnsupportedOperationException for |
| * the XAttr methods, so we don't need to override them. |
| */ |
| public static class StubFileSystem extends FileSystem { |
| |
| @Override |
| public FSDataOutputStream append(Path f, int bufferSize, |
| Progressable progress) throws IOException { |
| return null; |
| } |
| |
| @Override |
| public FSDataOutputStream create(Path f, FsPermission permission, |
| boolean overwrite, int bufferSize, short replication, long blockSize, |
| Progressable progress) throws IOException { |
| return null; |
| } |
| |
| @Override |
| public boolean delete(Path f, boolean recursive) throws IOException { |
| return false; |
| } |
| |
| @Override |
| public FileStatus getFileStatus(Path f) throws IOException { |
| return null; |
| } |
| |
| @Override |
| public URI getUri() { |
| return URI.create("stubfs:///"); |
| } |
| |
| @Override |
| public Path getWorkingDirectory() { |
| return new Path(Path.SEPARATOR); |
| } |
| |
| @Override |
| public FileStatus[] listStatus(Path f) throws IOException { |
| return new FileStatus[0]; |
| } |
| |
| @Override |
| public boolean mkdirs(Path f, FsPermission permission) throws IOException { |
| return false; |
| } |
| |
| @Override |
| public FSDataInputStream open(Path f, int bufferSize) throws IOException { |
| return null; |
| } |
| |
| @Override |
| public boolean rename(Path src, Path dst) throws IOException { |
| return false; |
| } |
| |
| @Override |
| public void setWorkingDirectory(Path dir) { |
| } |
| } |
| |
| /** |
| * Initialize the cluster, wait for it to become active, and get FileSystem. |
| * |
| * @param format if true, format the NameNode and DataNodes before starting up |
| * @param xAttrsEnabled if true, XAttr support is enabled |
| * @throws Exception if any step fails |
| */ |
| private static void initCluster(boolean format, boolean xAttrsEnabled) |
| throws Exception { |
| conf = new Configuration(); |
| conf.setBoolean(DFSConfigKeys.DFS_NAMENODE_XATTRS_ENABLED_KEY, xAttrsEnabled); |
| conf.set(CommonConfigurationKeys.FS_DEFAULT_NAME_KEY, "stubfs:///"); |
| conf.setClass("fs.stubfs.impl", StubFileSystem.class, FileSystem.class); |
| cluster = new MiniDFSCluster.Builder(conf).numDataNodes(1).format(format) |
| .build(); |
| cluster.waitActive(); |
| fs = cluster.getFileSystem(); |
| } |
| |
| /** |
| * Restarts the cluster with XAttrs enabled or disabled. |
| * |
| * @param xAttrsEnabled if true, XAttr support is enabled |
| * @throws Exception if any step fails |
| */ |
| private static void restart(boolean xAttrsEnabled) throws Exception { |
| shutdown(); |
| initCluster(false, xAttrsEnabled); |
| } |
| } |