From 31617733aca2025cff1ffb841a533a5b1de016a5 Mon Sep 17 00:00:00 2001 From: Charles Lamb Date: Fri, 27 Jun 2014 21:45:18 +0000 Subject: [PATCH] HDFS-6389. Rename restrictions for encryption zones. (clamb) git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/fs-encryption@1606253 13f79535-47bb-0310-9956-ffa450edef68 --- .../hadoop-hdfs/CHANGES-fs-encryption.txt | 2 + .../hdfs/server/namenode/FSDirectory.java | 34 +++++++ .../hdfs/server/namenode/FSNamesystem.java | 2 +- .../hadoop/hdfs/TestEncryptionZonesAPI.java | 25 ++++- .../TestFileContextEncryptionZones.java | 70 ++++++++++++++ .../src/test/resources/testCryptoConf.xml | 94 +++++++++++++++++++ 6 files changed, 225 insertions(+), 2 deletions(-) create mode 100644 hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestFileContextEncryptionZones.java diff --git a/hadoop-hdfs-project/hadoop-hdfs/CHANGES-fs-encryption.txt b/hadoop-hdfs-project/hadoop-hdfs/CHANGES-fs-encryption.txt index d539ef1e1a..c1876d4acb 100644 --- a/hadoop-hdfs-project/hadoop-hdfs/CHANGES-fs-encryption.txt +++ b/hadoop-hdfs-project/hadoop-hdfs/CHANGES-fs-encryption.txt @@ -26,6 +26,8 @@ fs-encryption (Unreleased) HDFS-6391. Get the Key/IV from the NameNode for encrypted files in DFSClient. (Charles Lamb and wang) + HDFS-6389. Rename restrictions for encryption zones. (clamb) + OPTIMIZATIONS BUG FIXES diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSDirectory.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSDirectory.java index 93c6fb593c..5c5ff8bb85 100644 --- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSDirectory.java +++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSDirectory.java @@ -58,6 +58,7 @@ import org.apache.hadoop.hdfs.protocol.Block; import org.apache.hadoop.hdfs.protocol.ClientProtocol; import org.apache.hadoop.hdfs.protocol.DirectoryListing; +import org.apache.hadoop.hdfs.protocol.EncryptionZone; import org.apache.hadoop.hdfs.protocol.FSLimitException.MaxDirectoryItemsExceededException; import org.apache.hadoop.hdfs.protocol.FSLimitException.PathComponentTooLongException; import org.apache.hadoop.hdfs.protocol.FsAclPermission; @@ -544,6 +545,7 @@ boolean unprotectedRenameTo(String src, String dst, long timestamp) return false; } + checkEncryptionZoneMoveValidity(src, dst); // Ensure dst has quota to accommodate rename verifyFsLimitsForRename(srcIIP, dstIIP); verifyQuotaForRename(srcIIP.getINodes(), dstIIP.getINodes()); @@ -748,6 +750,7 @@ boolean unprotectedRenameTo(String src, String dst, long timestamp, throw new IOException(error); } + checkEncryptionZoneMoveValidity(src, dst); final INode dstInode = dstIIP.getLastINode(); List snapshottableDirs = new ArrayList(); @@ -971,6 +974,37 @@ boolean unprotectedRenameTo(String src, String dst, long timestamp, throw new IOException("rename from " + src + " to " + dst + " failed."); } + private void checkEncryptionZoneMoveValidity(String src, String dst) + throws IOException { + final EncryptionZone srcEZ = + getFSNamesystem().getEncryptionZoneForPath(src); + final EncryptionZone dstEZ = + getFSNamesystem().getEncryptionZoneForPath(dst); + final boolean srcInEZ = srcEZ != null; + final boolean dstInEZ = dstEZ != null; + if (srcInEZ) { + if (!dstInEZ) { + throw new IOException(src + " can't be moved from an encryption zone."); + } + } else { + if (dstInEZ) { + throw new IOException(src + " can't be moved into an encryption zone."); + } + } + + if (srcInEZ || dstInEZ) { + if (!srcEZ.getPath().equals(dstEZ.getPath())) { + final StringBuilder sb = new StringBuilder(src); + sb.append(" can't be moved from encryption zone "); + sb.append(srcEZ.getPath()); + sb.append(" to encryption zone "); + sb.append(dstEZ.getPath()); + sb.append("."); + throw new IOException(sb.toString()); + } + } + } + /** * Set file replication * diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java index da8fc00e08..e5d879ed15 100644 --- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java +++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java @@ -8395,7 +8395,7 @@ List listEncryptionZones() throws IOException { } /** Lookup the encryption zone of a path. */ - private EncryptionZone getEncryptionZoneForPath(String src) { + EncryptionZone getEncryptionZoneForPath(String src) { final String[] components = INode.getPathNames(src); for (int i = components.length; i > 0; i--) { final List l = Arrays.asList(Arrays.copyOfRange(components, 0, i)); diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestEncryptionZonesAPI.java b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestEncryptionZonesAPI.java index eb851d4dcb..50ec77777e 100644 --- a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestEncryptionZonesAPI.java +++ b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestEncryptionZonesAPI.java @@ -65,7 +65,11 @@ public void setUpCluster() throws IOException { conf.set(KeyProviderFactory.KEY_PROVIDER_PATH, JavaKeyStoreProvider.SCHEME_NAME + "://file" + tmpDir + "/test.jks"); cluster = new MiniDFSCluster.Builder(conf).numDataNodes(1).build(); - fs = cluster.getFileSystem(); + fs = createFileSystem(conf); + } + + protected FileSystem createFileSystem(Configuration conf) throws IOException { + return cluster.getFileSystem(); } @After @@ -401,4 +405,23 @@ public Object run() throws Exception { } }); } + + /** Test success of Rename EZ on a directory which is already an EZ. */ + @Test(timeout = 30000) + public void testRenameEncryptionZone() + throws Exception { + final HdfsAdmin dfsAdmin = + new HdfsAdmin(FileSystem.getDefaultUri(conf), conf); + FileSystem.mkdirs(fs, TEST_PATH_WITH_CHILD, + new FsPermission((short) 0777)); + dfsAdmin.createEncryptionZone(TEST_PATH_WITH_CHILD, null); + FileSystem.mkdirs(fs, TEST_PATH_WITH_MULTIPLE_CHILDREN, + new FsPermission((short) 0777)); + try { + fs.rename(TEST_PATH_WITH_MULTIPLE_CHILDREN, TEST_PATH); + } catch (IOException e) { + GenericTestUtils.assertExceptionContains( + "/test/foo/baz can't be moved from an encryption zone.", e); + } + } } diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestFileContextEncryptionZones.java b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestFileContextEncryptionZones.java new file mode 100644 index 0000000000..da283f5f85 --- /dev/null +++ b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestFileContextEncryptionZones.java @@ -0,0 +1,70 @@ +/** + * 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.server.namenode; + +import java.io.IOException; +import java.net.URI; +import java.util.EnumSet; +import java.util.List; +import java.util.Map; + +import org.apache.hadoop.conf.Configuration; +import org.apache.hadoop.fs.FileContext; +import org.apache.hadoop.fs.FileSystem; +import org.apache.hadoop.fs.Path; +import org.apache.hadoop.fs.XAttrSetFlag; +import org.apache.hadoop.hdfs.DFSConfigKeys; +import org.apache.hadoop.hdfs.DistributedFileSystem; +import org.apache.hadoop.hdfs.TestEncryptionZonesAPI; +import org.junit.BeforeClass; + +/** + * Tests of encryption zone operations using FileContext APIs. + */ +public class TestFileContextEncryptionZones extends TestEncryptionZonesAPI { + + @Override + protected FileSystem createFileSystem(Configuration conf) throws IOException { + FileContextFS fcFs = new FileContextFS(); + fcFs.initialize(FileSystem.getDefaultUri(conf), conf); + return fcFs; + } + + /** + * This reuses FSXAttrBaseTest's testcases by creating a filesystem + * implementation which uses FileContext by only overriding the xattr related + * methods. Other operations will use the normal filesystem. + */ + public static class FileContextFS extends DistributedFileSystem { + + private FileContext fc; + + @Override + public void initialize(URI uri, Configuration conf) throws IOException { + super.initialize(uri, conf); + fc = FileContext.getFileContext(conf); + } + + @Override + public boolean rename(Path src, Path dst) throws IOException { + fc.rename(src, dst); + return true; + } + } +} diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/test/resources/testCryptoConf.xml b/hadoop-hdfs-project/hadoop-hdfs/src/test/resources/testCryptoConf.xml index 82b17ffda1..1bf8f74fb1 100644 --- a/hadoop-hdfs-project/hadoop-hdfs/src/test/resources/testCryptoConf.xml +++ b/hadoop-hdfs-project/hadoop-hdfs/src/test/resources/testCryptoConf.xml @@ -262,5 +262,99 @@ + + + Test failure of renaming file cross EZ's + + -fs NAMENODE -mkdir /src + -fs NAMENODE -mkdir /dst + -fs NAMENODE -ls /- + -createZone -path /src + -createZone -path /dst + -fs NAMENODE -mkdir /src/subdir + -fs NAMENODE -mv /src/subdir /dst- + + + -fs NAMENODE -rmdir /src/subdir + -deleteZone -path /src + -deleteZone -path /dst + -fs NAMENODE -rmdir /src + -fs NAMENODE -rmdir /dst + + + + SubstringComparator + /src/subdir can't be moved from encryption zone /src to encryption zone /dst. + + + + + + Test failure of renaming a non-EZ file into an EZ + + -fs NAMENODE -mkdir /src + -fs NAMENODE -mkdir /dst + -fs NAMENODE -ls /- + -createZone -path /dst + -fs NAMENODE -mv /src /dst- + + + -deleteZone -path /dst + -fs NAMENODE -rmdir /src + -fs NAMENODE -rmdir /dst + + + + SubstringComparator + /src can't be moved into an encryption zone + + + + + + Test failure of renaming a non-EZ file from an EZ + + -fs NAMENODE -mkdir /src + -fs NAMENODE -mkdir /dst + -fs NAMENODE -ls /- + -createZone -path /src + -fs NAMENODE -mv /src /dst- + + + -deleteZone -path /src + -fs NAMENODE -rmdir /src + -fs NAMENODE -rmdir /dst + + + + SubstringComparator + /src can't be moved from an encryption zone + + + + + + Test success of renaming file intra-EZ + + -fs NAMENODE -mkdir /src + -createZone -path /src + -fs NAMENODE -mkdir /src/subdir1 + -fs NAMENODE -mkdir /src/subdir2 + -fs NAMENODE -mv /src/subdir1 /src/subdir2- + + + -fs NAMENODE -rmdir /src/subdir2/subdir1 + -fs NAMENODE -rmdir /src/subdir2 + -deleteZone -path /src + -fs NAMENODE -rmdir /src + + + + SubstringComparator + + + + +