| /** |
| * 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; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.fs.CommonConfigurationKeys; |
| import org.apache.hadoop.fs.CommonConfigurationKeysPublic; |
| import org.apache.hadoop.fs.FileSystem; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.hadoop.fs.viewfs.ConfigUtil; |
| import org.apache.hadoop.fs.viewfs.TestViewFileSystemOverloadSchemeWithHdfsScheme; |
| import org.apache.hadoop.fs.viewfs.ViewFsTestSetup; |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| import java.io.IOException; |
| import java.net.URI; |
| |
| import static org.apache.hadoop.fs.viewfs.Constants.CONFIG_VIEWFS_IGNORE_PORT_IN_MOUNT_TABLE_NAME; |
| import static org.apache.hadoop.fs.viewfs.Constants.CONFIG_VIEWFS_IGNORE_PORT_IN_MOUNT_TABLE_NAME_DEFAULT; |
| |
| public class TestViewDistributedFileSystemWithMountLinks extends |
| TestViewFileSystemOverloadSchemeWithHdfsScheme { |
| @Override |
| public void setUp() throws IOException { |
| super.setUp(); |
| Configuration conf = getConf(); |
| conf.setBoolean(DFSConfigKeys.DFS_NAMENODE_DELEGATION_TOKEN_ALWAYS_USE_KEY, |
| true); |
| conf.setInt( |
| CommonConfigurationKeysPublic.IPC_CLIENT_CONNECT_MAX_RETRIES_KEY, 1); |
| conf.set("fs.hdfs.impl", |
| ViewDistributedFileSystem.class.getName()); |
| conf.setBoolean(CONFIG_VIEWFS_IGNORE_PORT_IN_MOUNT_TABLE_NAME, |
| CONFIG_VIEWFS_IGNORE_PORT_IN_MOUNT_TABLE_NAME_DEFAULT); |
| URI defaultFSURI = |
| URI.create(conf.get(CommonConfigurationKeys.FS_DEFAULT_NAME_KEY)); |
| ConfigUtil.addLinkFallback(conf, defaultFSURI.getAuthority(), |
| new Path(defaultFSURI.toString() + "/").toUri()); |
| setConf(conf); |
| } |
| |
| @Test(timeout = 30000) |
| public void testCreateOnRoot() throws Exception { |
| testCreateOnRoot(true); |
| } |
| |
| @Test(timeout = 30000) |
| public void testMountLinkWithNonExistentLink() throws Exception { |
| testMountLinkWithNonExistentLink(false); |
| } |
| |
| @Test |
| public void testRenameOnInternalDirWithFallback() throws Exception { |
| Configuration conf = getConf(); |
| URI defaultFSURI = |
| URI.create(conf.get(CommonConfigurationKeys.FS_DEFAULT_NAME_KEY)); |
| final Path hdfsTargetPath1 = new Path(defaultFSURI + "/HDFSUser"); |
| final Path hdfsTargetPath2 = new Path(defaultFSURI + "/NewHDFSUser/next"); |
| ViewFsTestSetup.addMountLinksToConf(defaultFSURI.getAuthority(), |
| new String[] {"/HDFSUser", "/NewHDFSUser/next"}, |
| new String[] {hdfsTargetPath1.toUri().toString(), |
| hdfsTargetPath2.toUri().toString()}, conf); |
| //Making sure parent dir structure as mount points available in fallback. |
| try (DistributedFileSystem dfs = new DistributedFileSystem()) { |
| dfs.initialize(defaultFSURI, conf); |
| dfs.mkdirs(hdfsTargetPath1); |
| dfs.mkdirs(hdfsTargetPath2); |
| } |
| |
| try (FileSystem fs = FileSystem.get(conf)) { |
| Path src = new Path("/newFileOnRoot"); |
| Path dst = new Path("/newFileOnRoot1"); |
| fs.create(src).close(); |
| verifyRename(fs, src, dst); |
| |
| src = new Path("/newFileOnRoot1"); |
| dst = new Path("/NewHDFSUser/newFileOnRoot"); |
| fs.mkdirs(dst.getParent()); |
| verifyRename(fs, src, dst); |
| |
| src = new Path("/NewHDFSUser/newFileOnRoot"); |
| dst = new Path("/NewHDFSUser/newFileOnRoot1"); |
| verifyRename(fs, src, dst); |
| |
| src = new Path("/NewHDFSUser/newFileOnRoot1"); |
| dst = new Path("/newFileOnRoot"); |
| verifyRename(fs, src, dst); |
| |
| src = new Path("/HDFSUser/newFileOnRoot1"); |
| dst = new Path("/HDFSUser/newFileOnRoot"); |
| fs.create(src).close(); |
| verifyRename(fs, src, dst); |
| } |
| } |
| |
| @Test |
| public void testRenameWhenDstOnInternalDirWithFallback() throws Exception { |
| Configuration conf = getConf(); |
| URI defaultFSURI = |
| URI.create(conf.get(CommonConfigurationKeys.FS_DEFAULT_NAME_KEY)); |
| final Path hdfsTargetPath1 = new Path(defaultFSURI + "/HDFSUser"); |
| final Path hdfsTargetPath2 = |
| new Path(defaultFSURI + "/dstNewHDFSUser" + "/next"); |
| ViewFsTestSetup.addMountLinksToConf(defaultFSURI.getAuthority(), |
| new String[] {"/InternalDirDoesNotExistInFallback/test", |
| "/NewHDFSUser/next/next1"}, |
| new String[] {hdfsTargetPath1.toUri().toString(), |
| hdfsTargetPath2.toUri().toString()}, conf); |
| try (DistributedFileSystem dfs = new DistributedFileSystem()) { |
| dfs.initialize(defaultFSURI, conf); |
| dfs.mkdirs(hdfsTargetPath1); |
| dfs.mkdirs(hdfsTargetPath2); |
| dfs.mkdirs(new Path("/NewHDFSUser/next/next1")); |
| } |
| |
| try (FileSystem fs = FileSystem.get(conf)) { |
| Path src = new Path("/newFileOnRoot"); |
| Path dst = new Path("/NewHDFSUser/next"); |
| fs.create(src).close(); |
| verifyRename(fs, src, dst); |
| |
| src = new Path("/newFileOnRoot"); |
| dst = new Path("/NewHDFSUser/next/file"); |
| fs.create(src).close(); |
| verifyRename(fs, src, dst); |
| |
| src = new Path("/newFileOnRoot"); |
| dst = new Path("/InternalDirDoesNotExistInFallback/file"); |
| fs.create(src).close(); |
| // If fallback does not have same structure as internal, rename will fail. |
| Assert.assertFalse(fs.rename(src, dst)); |
| } |
| } |
| |
| private void verifyRename(FileSystem fs, Path src, Path dst) |
| throws IOException { |
| fs.rename(src, dst); |
| Assert.assertFalse(fs.exists(src)); |
| Assert.assertTrue(fs.exists(dst)); |
| } |
| } |