diff --git a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/FileStatus.java b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/FileStatus.java index c20f054d5e..b261f7fded 100644 --- a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/FileStatus.java +++ b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/FileStatus.java @@ -99,6 +99,21 @@ public FileStatus(long length, boolean isdir, assert (isdir && symlink == null) || !isdir; } + /** + * Copy constructor. + * + * @param other FileStatus to copy + */ + public FileStatus(FileStatus other) throws IOException { + // It's important to call the getters here instead of directly accessing the + // members. Subclasses like ViewFsFileStatus can override the getters. + this(other.getLen(), other.isDirectory(), other.getReplication(), + other.getBlockSize(), other.getModificationTime(), other.getAccessTime(), + other.getPermission(), other.getOwner(), other.getGroup(), + (other.isSymlink() ? other.getSymlink() : null), + other.getPath()); + } + /** * Get the length of this file, in bytes. * @return the length of this file, in bytes. diff --git a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/permission/AclUtil.java b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/permission/AclUtil.java new file mode 100644 index 0000000000..2811a89f24 --- /dev/null +++ b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/permission/AclUtil.java @@ -0,0 +1,134 @@ +/** + * 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.fs.permission; + +import java.util.Iterator; +import java.util.List; + +import org.apache.hadoop.classification.InterfaceAudience; +import org.apache.hadoop.classification.InterfaceStability; + +import com.google.common.collect.Lists; + +/** + * AclUtil contains utility methods for manipulating ACLs. + */ +@InterfaceAudience.LimitedPrivate({"HDFS", "MapReduce"}) +@InterfaceStability.Unstable +public final class AclUtil { + + /** + * Given permissions and extended ACL entries, returns the full logical ACL. + * + * @param perm FsPermission containing permissions + * @param entries List containing extended ACL entries + * @return List containing full logical ACL + */ + public static List getAclFromPermAndEntries(FsPermission perm, + List entries) { + List acl = Lists.newArrayListWithCapacity(entries.size() + 3); + + // Owner entry implied by owner permission bits. + acl.add(new AclEntry.Builder() + .setScope(AclEntryScope.ACCESS) + .setType(AclEntryType.USER) + .setPermission(perm.getUserAction()) + .build()); + + // All extended access ACL entries. + boolean hasAccessAcl = false; + Iterator entryIter = entries.iterator(); + AclEntry curEntry = null; + while (entryIter.hasNext()) { + curEntry = entryIter.next(); + if (curEntry.getScope() == AclEntryScope.DEFAULT) { + break; + } + hasAccessAcl = true; + acl.add(curEntry); + } + + // Mask entry implied by group permission bits, or group entry if there is + // no access ACL (only default ACL). + acl.add(new AclEntry.Builder() + .setScope(AclEntryScope.ACCESS) + .setType(hasAccessAcl ? AclEntryType.MASK : AclEntryType.GROUP) + .setPermission(perm.getGroupAction()) + .build()); + + // Other entry implied by other bits. + acl.add(new AclEntry.Builder() + .setScope(AclEntryScope.ACCESS) + .setType(AclEntryType.OTHER) + .setPermission(perm.getOtherAction()) + .build()); + + // Default ACL entries. + if (curEntry != null && curEntry.getScope() == AclEntryScope.DEFAULT) { + acl.add(curEntry); + while (entryIter.hasNext()) { + acl.add(entryIter.next()); + } + } + + return acl; + } + + /** + * Translates the given permission bits to the equivalent minimal ACL. + * + * @param perm FsPermission to translate + * @return List containing exactly 3 entries representing the owner, + * group and other permissions + */ + public static List getMinimalAcl(FsPermission perm) { + return Lists.newArrayList( + new AclEntry.Builder() + .setScope(AclEntryScope.ACCESS) + .setType(AclEntryType.USER) + .setPermission(perm.getUserAction()) + .build(), + new AclEntry.Builder() + .setScope(AclEntryScope.ACCESS) + .setType(AclEntryType.GROUP) + .setPermission(perm.getGroupAction()) + .build(), + new AclEntry.Builder() + .setScope(AclEntryScope.ACCESS) + .setType(AclEntryType.OTHER) + .setPermission(perm.getOtherAction()) + .build()); + } + + /** + * Checks if the given entries represent a minimal ACL (contains exactly 3 + * entries). + * + * @param entries List entries to check + * @return boolean true if the entries represent a minimal ACL + */ + public static boolean isMinimalAcl(List entries) { + return entries.size() == 3; + } + + /** + * There is no reason to instantiate this class. + */ + private AclUtil() { + } +} diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/ScopedAclEntries.java b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/permission/ScopedAclEntries.java similarity index 93% rename from hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/ScopedAclEntries.java rename to hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/permission/ScopedAclEntries.java index d841d3689a..a16f439365 100644 --- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/ScopedAclEntries.java +++ b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/permission/ScopedAclEntries.java @@ -15,12 +15,13 @@ * See the License for the specific language governing permissions and * limitations under the License. */ -package org.apache.hadoop.hdfs.server.namenode; +package org.apache.hadoop.fs.permission; import java.util.Collections; import java.util.List; import org.apache.hadoop.classification.InterfaceAudience; +import org.apache.hadoop.classification.InterfaceStability; import org.apache.hadoop.fs.permission.AclEntry; import org.apache.hadoop.fs.permission.AclEntryScope; @@ -28,8 +29,9 @@ * Groups a list of ACL entries into separate lists for access entries vs. * default entries. */ -@InterfaceAudience.Private -final class ScopedAclEntries { +@InterfaceAudience.LimitedPrivate({"HDFS", "MapReduce"}) +@InterfaceStability.Unstable +public final class ScopedAclEntries { private static final int PIVOT_NOT_FOUND = -1; private final List accessEntries; diff --git a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/shell/AclCommands.java b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/shell/AclCommands.java index 9f1415238b..5aa285c296 100644 --- a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/shell/AclCommands.java +++ b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/shell/AclCommands.java @@ -18,7 +18,7 @@ package org.apache.hadoop.fs.shell; import java.io.IOException; -import java.util.Iterator; +import java.util.Collections; import java.util.LinkedList; import java.util.List; @@ -31,8 +31,10 @@ import org.apache.hadoop.fs.permission.AclEntryScope; import org.apache.hadoop.fs.permission.AclEntryType; import org.apache.hadoop.fs.permission.AclStatus; +import org.apache.hadoop.fs.permission.AclUtil; import org.apache.hadoop.fs.permission.FsAction; import org.apache.hadoop.fs.permission.FsPermission; +import org.apache.hadoop.fs.permission.ScopedAclEntries; /** * Acl related operations @@ -84,67 +86,34 @@ protected void processPath(PathData item) throws IOException { (perm.getOtherAction().implies(FsAction.EXECUTE) ? "t" : "T")); } - if (perm.getAclBit()) { - AclStatus aclStatus = item.fs.getAclStatus(item.path); - List entries = aclStatus.getEntries(); - printExtendedAcl(perm, entries); - } else { - printMinimalAcl(perm); - } - + List entries = perm.getAclBit() ? + item.fs.getAclStatus(item.path).getEntries() : + Collections.emptyList(); + ScopedAclEntries scopedEntries = new ScopedAclEntries( + AclUtil.getAclFromPermAndEntries(perm, entries)); + printAclEntriesForSingleScope(scopedEntries.getAccessEntries()); + printAclEntriesForSingleScope(scopedEntries.getDefaultEntries()); out.println(); } /** - * Prints an extended ACL, including all extended ACL entries and also the - * base entries implied by the permission bits. + * Prints all the ACL entries in a single scope. * - * @param perm FsPermission of file * @param entries List containing ACL entries of file */ - private void printExtendedAcl(FsPermission perm, List entries) { - // Print owner entry implied by owner permission bits. - out.println(new AclEntry.Builder() - .setScope(AclEntryScope.ACCESS) - .setType(AclEntryType.USER) - .setPermission(perm.getUserAction()) - .build()); - - // Print all extended access ACL entries. - boolean hasAccessAcl = false; - Iterator entryIter = entries.iterator(); - AclEntry curEntry = null; - while (entryIter.hasNext()) { - curEntry = entryIter.next(); - if (curEntry.getScope() == AclEntryScope.DEFAULT) { - break; - } - hasAccessAcl = true; - printExtendedAclEntry(curEntry, perm.getGroupAction()); + private void printAclEntriesForSingleScope(List entries) { + if (entries.isEmpty()) { + return; } - - // Print mask entry implied by group permission bits, or print group entry - // if there is no access ACL (only default ACL). - out.println(new AclEntry.Builder() - .setScope(AclEntryScope.ACCESS) - .setType(hasAccessAcl ? AclEntryType.MASK : AclEntryType.GROUP) - .setPermission(perm.getGroupAction()) - .build()); - - // Print other entry implied by other bits. - out.println(new AclEntry.Builder() - .setScope(AclEntryScope.ACCESS) - .setType(AclEntryType.OTHER) - .setPermission(perm.getOtherAction()) - .build()); - - // Print default ACL entries. - if (curEntry != null && curEntry.getScope() == AclEntryScope.DEFAULT) { - out.println(curEntry); - // ACL sort order guarantees default mask is the second-to-last entry. + if (AclUtil.isMinimalAcl(entries)) { + for (AclEntry entry: entries) { + out.println(entry); + } + } else { + // ACL sort order guarantees mask is the second-to-last entry. FsAction maskPerm = entries.get(entries.size() - 2).getPermission(); - while (entryIter.hasNext()) { - printExtendedAclEntry(entryIter.next(), maskPerm); + for (AclEntry entry: entries) { + printExtendedAclEntry(entry, maskPerm); } } } @@ -172,30 +141,6 @@ private void printExtendedAclEntry(AclEntry entry, FsAction maskPerm) { out.println(entry); } } - - /** - * Prints a minimal ACL, consisting of exactly 3 ACL entries implied by the - * permission bits. - * - * @param perm FsPermission of file - */ - private void printMinimalAcl(FsPermission perm) { - out.println(new AclEntry.Builder() - .setScope(AclEntryScope.ACCESS) - .setType(AclEntryType.USER) - .setPermission(perm.getUserAction()) - .build()); - out.println(new AclEntry.Builder() - .setScope(AclEntryScope.ACCESS) - .setType(AclEntryType.GROUP) - .setPermission(perm.getGroupAction()) - .build()); - out.println(new AclEntry.Builder() - .setScope(AclEntryScope.ACCESS) - .setType(AclEntryType.OTHER) - .setPermission(perm.getOtherAction()) - .build()); - } } /** diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/AclStorage.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/AclStorage.java index a79bb393f9..841fcb8e43 100644 --- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/AclStorage.java +++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/AclStorage.java @@ -27,8 +27,10 @@ import org.apache.hadoop.fs.permission.AclEntry; import org.apache.hadoop.fs.permission.AclEntryScope; import org.apache.hadoop.fs.permission.AclEntryType; +import org.apache.hadoop.fs.permission.AclUtil; import org.apache.hadoop.fs.permission.FsAction; import org.apache.hadoop.fs.permission.FsPermission; +import org.apache.hadoop.fs.permission.ScopedAclEntries; import org.apache.hadoop.hdfs.protocol.AclException; import org.apache.hadoop.hdfs.protocol.QuotaExceededException; @@ -90,7 +92,7 @@ public static void copyINodeDefaultAcl(INode child) { FsPermission childPerm = child.getFsPermission(); // Copy each default ACL entry from parent to new child's access ACL. - boolean parentDefaultIsMinimal = isMinimalAcl(parentDefaultEntries); + boolean parentDefaultIsMinimal = AclUtil.isMinimalAcl(parentDefaultEntries); for (AclEntry entry: parentDefaultEntries) { AclEntryType type = entry.getType(); String name = entry.getName(); @@ -127,7 +129,7 @@ public static void copyINodeDefaultAcl(INode child) { Collections.emptyList(); final FsPermission newPerm; - if (!isMinimalAcl(accessEntries) || !defaultEntries.isEmpty()) { + if (!AclUtil.isMinimalAcl(accessEntries) || !defaultEntries.isEmpty()) { // Save the new ACL to the child. child.addAclFeature(createAclFeature(accessEntries, defaultEntries)); newPerm = createFsPermissionForExtendedAcl(accessEntries, childPerm); @@ -172,7 +174,7 @@ public static List readINodeLogicalAcl(INode inode) { FsPermission perm = inode.getFsPermission(); AclFeature f = inode.getAclFeature(); if (f == null) { - return getMinimalAcl(perm); + return AclUtil.getMinimalAcl(perm); } final List existingAcl; @@ -208,7 +210,7 @@ public static List readINodeLogicalAcl(INode inode) { } else { // It's possible that there is a default ACL but no access ACL. In this // case, add the minimal access ACL implied by the permission bits. - existingAcl.addAll(getMinimalAcl(perm)); + existingAcl.addAll(AclUtil.getMinimalAcl(perm)); } // Add all default entries after the access entries. @@ -267,7 +269,7 @@ public static void updateINodeAcl(INode inode, List newAcl, assert newAcl.size() >= 3; FsPermission perm = inode.getFsPermission(); final FsPermission newPerm; - if (!isMinimalAcl(newAcl)) { + if (!AclUtil.isMinimalAcl(newAcl)) { // This is an extended ACL. Split entries into access vs. default. ScopedAclEntries scoped = new ScopedAclEntries(newAcl); List accessEntries = scoped.getAccessEntries(); @@ -321,7 +323,7 @@ private static AclFeature createAclFeature(List accessEntries, // For the access ACL, the feature only needs to hold the named user and // group entries. For a correctly sorted ACL, these will be in a // predictable range. - if (!isMinimalAcl(accessEntries)) { + if (!AclUtil.isMinimalAcl(accessEntries)) { featureEntries.addAll( accessEntries.subList(1, accessEntries.size() - 2)); } @@ -366,41 +368,4 @@ private static FsPermission createFsPermissionForMinimalAcl( accessEntries.get(2).getPermission(), existingPerm.getStickyBit()); } - - /** - * Translates the given permission bits to the equivalent minimal ACL. - * - * @param perm FsPermission to translate - * @return List containing exactly 3 entries representing the owner, - * group and other permissions - */ - private static List getMinimalAcl(FsPermission perm) { - return Lists.newArrayList( - new AclEntry.Builder() - .setScope(AclEntryScope.ACCESS) - .setType(AclEntryType.USER) - .setPermission(perm.getUserAction()) - .build(), - new AclEntry.Builder() - .setScope(AclEntryScope.ACCESS) - .setType(AclEntryType.GROUP) - .setPermission(perm.getGroupAction()) - .build(), - new AclEntry.Builder() - .setScope(AclEntryScope.ACCESS) - .setType(AclEntryType.OTHER) - .setPermission(perm.getOtherAction()) - .build()); - } - - /** - * Checks if the given entries represent a minimal ACL (contains exactly 3 - * entries). - * - * @param entries List entries to check - * @return boolean true if the entries represent a minimal ACL - */ - private static boolean isMinimalAcl(List entries) { - return entries.size() == 3; - } } diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/AclTransformation.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/AclTransformation.java index 3a3f9206eb..1474e039e6 100644 --- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/AclTransformation.java +++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/AclTransformation.java @@ -40,6 +40,7 @@ import org.apache.hadoop.fs.permission.AclEntryType; import org.apache.hadoop.fs.permission.FsAction; import org.apache.hadoop.fs.permission.FsPermission; +import org.apache.hadoop.fs.permission.ScopedAclEntries; import org.apache.hadoop.hdfs.protocol.AclException; /** diff --git a/hadoop-mapreduce-project/CHANGES.txt b/hadoop-mapreduce-project/CHANGES.txt index 88652df971..c9661812ff 100644 --- a/hadoop-mapreduce-project/CHANGES.txt +++ b/hadoop-mapreduce-project/CHANGES.txt @@ -197,6 +197,8 @@ Release 2.5.0 - UNRELEASED MAPREDUCE-5861. finishedSubMaps field in LocalContainerLauncher does not need to be volatile. (Tsuyoshi OZAWA via junping_du) + MAPREDUCE-5809. Enhance distcp to support preserving HDFS ACLs. (cnauroth) + OPTIMIZATIONS BUG FIXES diff --git a/hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/CopyListing.java b/hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/CopyListing.java index 52d5993681..a0d85c556a 100644 --- a/hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/CopyListing.java +++ b/hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/CopyListing.java @@ -22,7 +22,6 @@ import org.apache.hadoop.conf.Configured; import org.apache.hadoop.fs.Path; import org.apache.hadoop.fs.FileSystem; -import org.apache.hadoop.fs.FileStatus; import org.apache.hadoop.io.SequenceFile; import org.apache.hadoop.io.Text; import org.apache.hadoop.io.IOUtils; @@ -31,11 +30,15 @@ import java.io.IOException; import java.lang.reflect.Constructor; +import java.net.URI; +import java.util.Set; + +import com.google.common.collect.Sets; /** * The CopyListing abstraction is responsible for how the list of * sources and targets is constructed, for DistCp's copy function. - * The copy-listing should be a SequenceFile, + * The copy-listing should be a SequenceFile, * located at the path specified to buildListing(), * each entry being a pair of (Source relative path, source file status), * all the paths being fully qualified. @@ -85,7 +88,7 @@ public final void buildListing(Path pathToListFile, config.setLong(DistCpConstants.CONF_LABEL_TOTAL_BYTES_TO_BE_COPIED, getBytesToCopy()); config.setLong(DistCpConstants.CONF_LABEL_TOTAL_NUMBER_OF_RECORDS, getNumberOfPaths()); - checkForDuplicates(pathToListFile); + validateFinalListing(pathToListFile, options); } /** @@ -124,13 +127,15 @@ protected abstract void doBuildListing(Path pathToListFile, protected abstract long getNumberOfPaths(); /** - * Validate the final resulting path listing to see if there are any duplicate entries + * Validate the final resulting path listing. Checks if there are duplicate + * entries. If preserving ACLs, checks that file system can support ACLs. * * @param pathToListFile - path listing build by doBuildListing + * @param options - Input options to distcp * @throws IOException - Any issues while checking for duplicates and throws * @throws DuplicateFileException - if there are duplicates */ - private void checkForDuplicates(Path pathToListFile) + private void validateFinalListing(Path pathToListFile, DistCpOptions options) throws DuplicateFileException, IOException { Configuration config = getConf(); @@ -142,17 +147,26 @@ private void checkForDuplicates(Path pathToListFile) config, SequenceFile.Reader.file(sortedList)); try { Text lastKey = new Text("*"); //source relative path can never hold * - FileStatus lastFileStatus = new FileStatus(); + CopyListingFileStatus lastFileStatus = new CopyListingFileStatus(); Text currentKey = new Text(); + Set aclSupportCheckFsSet = Sets.newHashSet(); while (reader.next(currentKey)) { if (currentKey.equals(lastKey)) { - FileStatus currentFileStatus = new FileStatus(); + CopyListingFileStatus currentFileStatus = new CopyListingFileStatus(); reader.getCurrentValue(currentFileStatus); throw new DuplicateFileException("File " + lastFileStatus.getPath() + " and " + currentFileStatus.getPath() + " would cause duplicates. Aborting"); } reader.getCurrentValue(lastFileStatus); + if (options.shouldPreserve(DistCpOptions.FileAttribute.ACL)) { + FileSystem lastFs = lastFileStatus.getPath().getFileSystem(config); + URI lastFsUri = lastFs.getUri(); + if (!aclSupportCheckFsSet.contains(lastFsUri)) { + DistCpUtils.checkFileSystemAclSupport(lastFs); + aclSupportCheckFsSet.add(lastFsUri); + } + } lastKey.set(currentKey); } } finally { @@ -236,4 +250,10 @@ public InvalidInputException(String message) { super(message); } } + + public static class AclsNotSupportedException extends RuntimeException { + public AclsNotSupportedException(String message) { + super(message); + } + } } diff --git a/hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/CopyListingFileStatus.java b/hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/CopyListingFileStatus.java new file mode 100644 index 0000000000..3a0c37fd3f --- /dev/null +++ b/hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/CopyListingFileStatus.java @@ -0,0 +1,153 @@ +/** + * 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.DataInput; +import java.io.DataOutput; +import java.io.IOException; +import java.util.Collections; +import java.util.List; + +import org.apache.hadoop.classification.InterfaceAudience; +import org.apache.hadoop.fs.FileStatus; +import org.apache.hadoop.fs.permission.AclEntry; +import org.apache.hadoop.fs.permission.AclEntryType; +import org.apache.hadoop.fs.permission.AclEntryScope; +import org.apache.hadoop.fs.permission.AclUtil; +import org.apache.hadoop.fs.permission.FsAction; +import org.apache.hadoop.io.WritableUtils; + +import com.google.common.base.Objects; +import com.google.common.collect.Lists; + +/** + * CopyListingFileStatus is a specialized subclass of {@link FileStatus} for + * attaching additional data members useful to distcp. This class does not + * override {@link FileStatus#compareTo}, because the additional data members + * are not relevant to sort order. + */ +@InterfaceAudience.Private +public final class CopyListingFileStatus extends FileStatus { + + private static final byte NO_ACL_ENTRIES = -1; + + // Retain static arrays of enum values to prevent repeated allocation of new + // arrays during deserialization. + private static final AclEntryType[] ACL_ENTRY_TYPES = AclEntryType.values(); + private static final AclEntryScope[] ACL_ENTRY_SCOPES = AclEntryScope.values(); + private static final FsAction[] FS_ACTIONS = FsAction.values(); + + private List aclEntries; + + /** + * Default constructor. + */ + public CopyListingFileStatus() { + } + + /** + * Creates a new CopyListingFileStatus by copying the members of the given + * FileStatus. + * + * @param fileStatus FileStatus to copy + */ + public CopyListingFileStatus(FileStatus fileStatus) throws IOException { + super(fileStatus); + } + + /** + * Returns the full logical ACL. + * + * @return List containing full logical ACL + */ + public List getAclEntries() { + return AclUtil.getAclFromPermAndEntries(getPermission(), + aclEntries != null ? aclEntries : Collections.emptyList()); + } + + /** + * Sets optional ACL entries. + * + * @param aclEntries List containing all ACL entries + */ + public void setAclEntries(List aclEntries) { + this.aclEntries = aclEntries; + } + + @Override + public void write(DataOutput out) throws IOException { + super.write(out); + if (aclEntries != null) { + // byte is sufficient, because 32 ACL entries is the max enforced by HDFS. + out.writeByte(aclEntries.size()); + for (AclEntry entry: aclEntries) { + out.writeByte(entry.getScope().ordinal()); + out.writeByte(entry.getType().ordinal()); + WritableUtils.writeString(out, entry.getName()); + out.writeByte(entry.getPermission().ordinal()); + } + } else { + out.writeByte(NO_ACL_ENTRIES); + } + } + + @Override + public void readFields(DataInput in) throws IOException { + super.readFields(in); + byte aclEntriesSize = in.readByte(); + if (aclEntriesSize != NO_ACL_ENTRIES) { + aclEntries = Lists.newArrayListWithCapacity(aclEntriesSize); + for (int i = 0; i < aclEntriesSize; ++i) { + aclEntries.add(new AclEntry.Builder() + .setScope(ACL_ENTRY_SCOPES[in.readByte()]) + .setType(ACL_ENTRY_TYPES[in.readByte()]) + .setName(WritableUtils.readString(in)) + .setPermission(FS_ACTIONS[in.readByte()]) + .build()); + } + } else { + aclEntries = null; + } + } + + @Override + public boolean equals(Object o) { + if (!super.equals(o)) { + return false; + } + if (getClass() != o.getClass()) { + return false; + } + CopyListingFileStatus other = (CopyListingFileStatus)o; + return Objects.equal(aclEntries, other.aclEntries); + } + + @Override + public int hashCode() { + return Objects.hashCode(super.hashCode(), aclEntries); + } + + @Override + public String toString() { + StringBuilder sb = new StringBuilder(super.toString()); + sb.append('{'); + sb.append("aclEntries = " + aclEntries); + sb.append('}'); + return sb.toString(); + } +} diff --git a/hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/DistCp.java b/hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/DistCp.java index b52023cd3b..b3c506ea09 100644 --- a/hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/DistCp.java +++ b/hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/DistCp.java @@ -125,6 +125,9 @@ public int run(String[] argv) { } catch (DuplicateFileException e) { LOG.error("Duplicate files in input path: ", e); return DistCpConstants.DUPLICATE_INPUT; + } catch (AclsNotSupportedException e) { + LOG.error("ACLs not supported on at least one file system: ", e); + return DistCpConstants.ACLS_NOT_SUPPORTED; } catch (Exception e) { LOG.error("Exception encountered ", e); return DistCpConstants.UNKNOWN_ERROR; @@ -298,7 +301,9 @@ private void configureOutputFormat(Job job) throws IOException { FileSystem targetFS = targetPath.getFileSystem(configuration); targetPath = targetPath.makeQualified(targetFS.getUri(), targetFS.getWorkingDirectory()); - + if (inputOptions.shouldPreserve(DistCpOptions.FileAttribute.ACL)) { + DistCpUtils.checkFileSystemAclSupport(targetFS); + } if (inputOptions.shouldAtomicCommit()) { Path workDir = inputOptions.getAtomicWorkPath(); if (workDir == null) { diff --git a/hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/DistCpConstants.java b/hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/DistCpConstants.java index 804d280293..695d8bde39 100644 --- a/hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/DistCpConstants.java +++ b/hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/DistCpConstants.java @@ -115,6 +115,7 @@ public class DistCpConstants { public static final int SUCCESS = 0; public static final int INVALID_ARGUMENT = -1; public static final int DUPLICATE_INPUT = -2; + public static final int ACLS_NOT_SUPPORTED = -3; public static final int UNKNOWN_ERROR = -999; /** diff --git a/hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/DistCpOptionSwitch.java b/hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/DistCpOptionSwitch.java index c3630cc4fb..1639c1d837 100644 --- a/hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/DistCpOptionSwitch.java +++ b/hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/DistCpOptionSwitch.java @@ -45,8 +45,10 @@ public enum DistCpOptionSwitch { * */ PRESERVE_STATUS(DistCpConstants.CONF_LABEL_PRESERVE_STATUS, - new Option("p", true, "preserve status (rbugpc)" + - "(replication, block-size, user, group, permission, checksum-type)")), + new Option("p", true, "preserve status (rbugpca)(replication, " + + "block-size, user, group, permission, checksum-type, ACL). If " + + "-p is specified with no , then preserves replication, block " + + "size, user, group, permission and checksum type.")), /** * Update target location by copying only files that are missing diff --git a/hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/DistCpOptions.java b/hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/DistCpOptions.java index aaca67db76..5906266fb7 100644 --- a/hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/DistCpOptions.java +++ b/hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/DistCpOptions.java @@ -65,7 +65,7 @@ public class DistCpOptions { private boolean targetPathExists = true; public static enum FileAttribute{ - REPLICATION, BLOCKSIZE, USER, GROUP, PERMISSION, CHECKSUMTYPE; + REPLICATION, BLOCKSIZE, USER, GROUP, PERMISSION, CHECKSUMTYPE, ACL; public static FileAttribute getAttribute(char symbol) { for (FileAttribute attribute : values()) { diff --git a/hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/SimpleCopyListing.java b/hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/SimpleCopyListing.java index 7f07927c75..3bce893c14 100644 --- a/hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/SimpleCopyListing.java +++ b/hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/SimpleCopyListing.java @@ -23,11 +23,12 @@ import org.apache.hadoop.fs.Path; import org.apache.hadoop.fs.FileSystem; import org.apache.hadoop.fs.FileStatus; +import org.apache.hadoop.fs.permission.AclEntry; import org.apache.hadoop.conf.Configuration; import org.apache.hadoop.io.SequenceFile; import org.apache.hadoop.io.IOUtils; import org.apache.hadoop.io.Text; -import org.apache.hadoop.io.DataInputBuffer; +import org.apache.hadoop.tools.DistCpOptions.FileAttribute; import org.apache.hadoop.tools.util.DistCpUtils; import org.apache.hadoop.mapreduce.security.TokenCache; import org.apache.hadoop.security.Credentials; @@ -35,6 +36,7 @@ import com.google.common.annotations.VisibleForTesting; import java.io.*; +import java.util.List; import java.util.Stack; /** @@ -139,28 +141,34 @@ public void doBuildListing(SequenceFile.Writer fileListWriter, FileStatus rootStatus = sourceFS.getFileStatus(path); Path sourcePathRoot = computeSourceRootPath(rootStatus, options); - boolean localFile = (rootStatus.getClass() != FileStatus.class); FileStatus[] sourceFiles = sourceFS.listStatus(path); boolean explore = (sourceFiles != null && sourceFiles.length > 0); if (!explore || rootStatus.isDirectory()) { - writeToFileListingRoot(fileListWriter, rootStatus, sourcePathRoot, - localFile, options); + CopyListingFileStatus rootCopyListingStatus = + DistCpUtils.toCopyListingFileStatus(sourceFS, rootStatus, + options.shouldPreserve(FileAttribute.ACL)); + writeToFileListingRoot(fileListWriter, rootCopyListingStatus, + sourcePathRoot, options); } if (explore) { for (FileStatus sourceStatus: sourceFiles) { if (LOG.isDebugEnabled()) { LOG.debug("Recording source-path: " + sourceStatus.getPath() + " for copy."); } - writeToFileListing(fileListWriter, sourceStatus, sourcePathRoot, - localFile, options); + CopyListingFileStatus sourceCopyListingStatus = + DistCpUtils.toCopyListingFileStatus(sourceFS, sourceStatus, + options.shouldPreserve(FileAttribute.ACL) && + sourceStatus.isDirectory()); + writeToFileListing(fileListWriter, sourceCopyListingStatus, + sourcePathRoot, options); if (isDirectoryAndNotEmpty(sourceFS, sourceStatus)) { if (LOG.isDebugEnabled()) { LOG.debug("Traversing non-empty source dir: " + sourceStatus.getPath()); } traverseNonEmptyDirectory(fileListWriter, sourceStatus, sourcePathRoot, - localFile, options); + options); } } } @@ -233,7 +241,7 @@ private SequenceFile.Writer getWriter(Path pathToListFile) throws IOException { return SequenceFile.createWriter(getConf(), SequenceFile.Writer.file(pathToListFile), SequenceFile.Writer.keyClass(Text.class), - SequenceFile.Writer.valueClass(FileStatus.class), + SequenceFile.Writer.valueClass(CopyListingFileStatus.class), SequenceFile.Writer.compression(SequenceFile.CompressionType.NONE)); } @@ -250,7 +258,6 @@ private static FileStatus[] getChildren(FileSystem fileSystem, private void traverseNonEmptyDirectory(SequenceFile.Writer fileListWriter, FileStatus sourceStatus, Path sourcePathRoot, - boolean localFile, DistCpOptions options) throws IOException { FileSystem sourceFS = sourcePathRoot.getFileSystem(getConf()); @@ -262,8 +269,11 @@ private void traverseNonEmptyDirectory(SequenceFile.Writer fileListWriter, if (LOG.isDebugEnabled()) LOG.debug("Recording source-path: " + sourceStatus.getPath() + " for copy."); - writeToFileListing(fileListWriter, child, sourcePathRoot, - localFile, options); + CopyListingFileStatus childCopyListingStatus = + DistCpUtils.toCopyListingFileStatus(sourceFS, child, + options.shouldPreserve(FileAttribute.ACL) && child.isDirectory()); + writeToFileListing(fileListWriter, childCopyListingStatus, + sourcePathRoot, options); if (isDirectoryAndNotEmpty(sourceFS, child)) { if (LOG.isDebugEnabled()) LOG.debug("Traversing non-empty source dir: " @@ -275,8 +285,7 @@ private void traverseNonEmptyDirectory(SequenceFile.Writer fileListWriter, } private void writeToFileListingRoot(SequenceFile.Writer fileListWriter, - FileStatus fileStatus, Path sourcePathRoot, - boolean localFile, + CopyListingFileStatus fileStatus, Path sourcePathRoot, DistCpOptions options) throws IOException { boolean syncOrOverwrite = options.shouldSyncFolder() || options.shouldOverwrite(); @@ -288,14 +297,12 @@ private void writeToFileListingRoot(SequenceFile.Writer fileListWriter, } return; } - writeToFileListing(fileListWriter, fileStatus, sourcePathRoot, localFile, - options); + writeToFileListing(fileListWriter, fileStatus, sourcePathRoot, options); } private void writeToFileListing(SequenceFile.Writer fileListWriter, - FileStatus fileStatus, + CopyListingFileStatus fileStatus, Path sourcePathRoot, - boolean localFile, DistCpOptions options) throws IOException { if (LOG.isDebugEnabled()) { LOG.debug("REL PATH: " + DistCpUtils.getRelativePath(sourcePathRoot, @@ -303,9 +310,6 @@ private void writeToFileListing(SequenceFile.Writer fileListWriter, } FileStatus status = fileStatus; - if (localFile) { - status = getFileStatus(fileStatus); - } if (!shouldCopy(fileStatus.getPath(), options)) { return; @@ -320,19 +324,4 @@ private void writeToFileListing(SequenceFile.Writer fileListWriter, } totalPaths++; } - - private static final ByteArrayOutputStream buffer = new ByteArrayOutputStream(64); - private DataInputBuffer in = new DataInputBuffer(); - - private FileStatus getFileStatus(FileStatus fileStatus) throws IOException { - FileStatus status = new FileStatus(); - - buffer.reset(); - DataOutputStream out = new DataOutputStream(buffer); - fileStatus.write(out); - - in.reset(buffer.toByteArray(), 0, buffer.size()); - status.readFields(in); - return status; - } } diff --git a/hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/mapred/CopyCommitter.java b/hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/mapred/CopyCommitter.java index c036d3b702..4d16445d0e 100644 --- a/hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/mapred/CopyCommitter.java +++ b/hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/mapred/CopyCommitter.java @@ -178,7 +178,7 @@ private void preserveFileAttributesForDirectories(Configuration conf) throws IOE long preservedEntries = 0; try { - FileStatus srcFileStatus = new FileStatus(); + CopyListingFileStatus srcFileStatus = new CopyListingFileStatus(); Text srcRelPath = new Text(); // Iterate over every source path that was copied. @@ -246,9 +246,9 @@ private void deleteMissing(Configuration conf) throws IOException { // Delete all from target that doesn't also exist on source. long deletedEntries = 0; try { - FileStatus srcFileStatus = new FileStatus(); + CopyListingFileStatus srcFileStatus = new CopyListingFileStatus(); Text srcRelPath = new Text(); - FileStatus trgtFileStatus = new FileStatus(); + CopyListingFileStatus trgtFileStatus = new CopyListingFileStatus(); Text trgtRelPath = new Text(); FileSystem targetFS = targetFinalPath.getFileSystem(conf); diff --git a/hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/mapred/CopyMapper.java b/hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/mapred/CopyMapper.java index 9386f6e963..caf4057c6c 100644 --- a/hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/mapred/CopyMapper.java +++ b/hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/mapred/CopyMapper.java @@ -24,9 +24,11 @@ import org.apache.hadoop.fs.FileStatus; import org.apache.hadoop.fs.FileSystem; import org.apache.hadoop.fs.Path; +import org.apache.hadoop.fs.permission.AclEntry; import org.apache.hadoop.io.Text; import org.apache.hadoop.mapreduce.JobContext; import org.apache.hadoop.mapreduce.Mapper; +import org.apache.hadoop.tools.CopyListingFileStatus; import org.apache.hadoop.tools.DistCpConstants; import org.apache.hadoop.tools.DistCpOptionSwitch; import org.apache.hadoop.tools.DistCpOptions; @@ -37,12 +39,13 @@ import java.io.*; import java.util.EnumSet; import java.util.Arrays; +import java.util.List; /** * Mapper class that executes the DistCp copy operation. * Implements the o.a.h.mapreduce.Mapper<> interface. */ -public class CopyMapper extends Mapper { +public class CopyMapper extends Mapper { /** * Hadoop counters for the DistCp CopyMapper. @@ -172,8 +175,8 @@ private Path findCacheFile(Path[] cacheFiles, String fileName) { * @throws IOException */ @Override - public void map(Text relPath, FileStatus sourceFileStatus, Context context) - throws IOException, InterruptedException { + public void map(Text relPath, CopyListingFileStatus sourceFileStatus, + Context context) throws IOException, InterruptedException { Path sourcePath = sourceFileStatus.getPath(); if (LOG.isDebugEnabled()) @@ -191,11 +194,13 @@ public void map(Text relPath, FileStatus sourceFileStatus, Context context) LOG.info(description); try { - FileStatus sourceCurrStatus; + CopyListingFileStatus sourceCurrStatus; FileSystem sourceFS; try { sourceFS = sourcePath.getFileSystem(conf); - sourceCurrStatus = sourceFS.getFileStatus(sourcePath); + sourceCurrStatus = DistCpUtils.toCopyListingFileStatus(sourceFS, + sourceFS.getFileStatus(sourcePath), + fileAttributes.contains(FileAttribute.ACL)); } catch (FileNotFoundException e) { throw new IOException(new RetriableFileCopyCommand.CopyReadException(e)); } diff --git a/hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/mapred/UniformSizeInputFormat.java b/hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/mapred/UniformSizeInputFormat.java index fd6c0d0461..4add0bb469 100644 --- a/hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/mapred/UniformSizeInputFormat.java +++ b/hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/mapred/UniformSizeInputFormat.java @@ -23,11 +23,11 @@ import org.apache.hadoop.io.Text; import org.apache.hadoop.io.SequenceFile; import org.apache.hadoop.io.IOUtils; +import org.apache.hadoop.tools.CopyListingFileStatus; import org.apache.hadoop.tools.DistCpConstants; import org.apache.hadoop.tools.util.DistCpUtils; import org.apache.hadoop.fs.Path; import org.apache.hadoop.fs.FileSystem; -import org.apache.hadoop.fs.FileStatus; import org.apache.hadoop.mapreduce.*; import org.apache.hadoop.mapreduce.lib.input.SequenceFileRecordReader; import org.apache.hadoop.mapreduce.lib.input.FileSplit; @@ -44,7 +44,8 @@ * that the total-number of bytes to be copied for each input split is * uniform. */ -public class UniformSizeInputFormat extends InputFormat { +public class UniformSizeInputFormat + extends InputFormat { private static final Log LOG = LogFactory.getLog(UniformSizeInputFormat.class); @@ -76,7 +77,7 @@ private List getSplits(Configuration configuration, int numSplits, List splits = new ArrayList(numSplits); long nBytesPerSplit = (long) Math.ceil(totalSizeBytes * 1.0 / numSplits); - FileStatus srcFileStatus = new FileStatus(); + CopyListingFileStatus srcFileStatus = new CopyListingFileStatus(); Text srcRelPath = new Text(); long currentSplitSize = 0; long lastSplitStart = 0; @@ -161,9 +162,9 @@ private SequenceFile.Reader getListingFileReader(Configuration configuration) { * @throws InterruptedException */ @Override - public RecordReader createRecordReader(InputSplit split, - TaskAttemptContext context) - throws IOException, InterruptedException { - return new SequenceFileRecordReader(); + public RecordReader createRecordReader( + InputSplit split, TaskAttemptContext context) + throws IOException, InterruptedException { + return new SequenceFileRecordReader(); } } diff --git a/hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/mapred/lib/DynamicInputChunk.java b/hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/mapred/lib/DynamicInputChunk.java index 8b188286ee..8482e7df49 100644 --- a/hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/mapred/lib/DynamicInputChunk.java +++ b/hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/mapred/lib/DynamicInputChunk.java @@ -26,6 +26,7 @@ import org.apache.hadoop.io.Text; import org.apache.hadoop.io.IOUtils; import org.apache.hadoop.conf.Configuration; +import org.apache.hadoop.tools.CopyListingFileStatus; import org.apache.hadoop.tools.DistCpConstants; import org.apache.hadoop.tools.util.DistCpUtils; import org.apache.hadoop.mapreduce.lib.input.SequenceFileRecordReader; @@ -90,7 +91,7 @@ private DynamicInputChunk(String chunkId, Configuration configuration) private void openForWrite() throws IOException { writer = SequenceFile.createWriter( chunkFilePath.getFileSystem(configuration), configuration, - chunkFilePath, Text.class, FileStatus.class, + chunkFilePath, Text.class, CopyListingFileStatus.class, SequenceFile.CompressionType.NONE); } @@ -117,7 +118,7 @@ public static DynamicInputChunk createChunkForWrite(String chunkId, * @param value Corresponding value from the listing file. * @throws IOException Exception onf failure to write to the file. */ - public void write(Text key, FileStatus value) throws IOException { + public void write(Text key, CopyListingFileStatus value) throws IOException { writer.append(key, value); } diff --git a/hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/mapred/lib/DynamicInputFormat.java b/hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/mapred/lib/DynamicInputFormat.java index 14895d30af..f5303d54c5 100644 --- a/hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/mapred/lib/DynamicInputFormat.java +++ b/hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/mapred/lib/DynamicInputFormat.java @@ -29,7 +29,7 @@ import org.apache.hadoop.io.IOUtils; import org.apache.hadoop.conf.Configuration; import org.apache.hadoop.fs.Path; -import org.apache.hadoop.fs.FileStatus; +import org.apache.hadoop.tools.CopyListingFileStatus; import java.util.List; import java.util.ArrayList; @@ -133,7 +133,7 @@ private List createSplits(JobContext jobContext, List chunksFinal = new ArrayList(); - FileStatus fileStatus = new FileStatus(); + CopyListingFileStatus fileStatus = new CopyListingFileStatus(); Text relPath = new Text(); int recordCounter = 0; int chunkCount = 0; diff --git a/hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/util/DistCpUtils.java b/hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/util/DistCpUtils.java index 170e2ed23d..653634d8d9 100644 --- a/hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/util/DistCpUtils.java +++ b/hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/util/DistCpUtils.java @@ -25,15 +25,21 @@ import org.apache.hadoop.fs.FileSystem; import org.apache.hadoop.fs.Path; import org.apache.hadoop.fs.FileChecksum; +import org.apache.hadoop.fs.permission.AclEntry; +import org.apache.hadoop.fs.permission.AclUtil; +import org.apache.hadoop.fs.permission.FsPermission; import org.apache.hadoop.io.SequenceFile; import org.apache.hadoop.io.Text; +import org.apache.hadoop.tools.CopyListingFileStatus; import org.apache.hadoop.tools.DistCpOptions.FileAttribute; import org.apache.hadoop.tools.mapred.UniformSizeInputFormat; +import org.apache.hadoop.tools.CopyListing.AclsNotSupportedException; import org.apache.hadoop.tools.DistCpOptions; import org.apache.hadoop.mapreduce.InputFormat; import java.io.IOException; import java.util.EnumSet; +import java.util.List; import java.util.Locale; import java.text.DecimalFormat; import java.net.URI; @@ -181,7 +187,7 @@ public static EnumSet unpackAttributes(String attributes) { * change or any transient error) */ public static void preserve(FileSystem targetFS, Path path, - FileStatus srcFileStatus, + CopyListingFileStatus srcFileStatus, EnumSet attributes) throws IOException { FileStatus targetFileStatus = targetFS.getFileStatus(path); @@ -189,7 +195,18 @@ public static void preserve(FileSystem targetFS, Path path, String user = targetFileStatus.getOwner(); boolean chown = false; - if (attributes.contains(FileAttribute.PERMISSION) && + if (attributes.contains(FileAttribute.ACL)) { + List srcAcl = srcFileStatus.getAclEntries(); + List targetAcl = getAcl(targetFS, targetFileStatus); + if (!srcAcl.equals(targetAcl)) { + targetFS.setAcl(path, srcAcl); + } + // setAcl can't preserve sticky bit, so also call setPermission if needed. + if (srcFileStatus.getPermission().getStickyBit() != + targetFileStatus.getPermission().getStickyBit()) { + targetFS.setPermission(path, srcFileStatus.getPermission()); + } + } else if (attributes.contains(FileAttribute.PERMISSION) && !srcFileStatus.getPermission().equals(targetFileStatus.getPermission())) { targetFS.setPermission(path, srcFileStatus.getPermission()); } @@ -216,6 +233,46 @@ public static void preserve(FileSystem targetFS, Path path, } } + /** + * Returns a file's full logical ACL. + * + * @param fileSystem FileSystem containing the file + * @param fileStatus FileStatus of file + * @return List containing full logical ACL + * @throws IOException if there is an I/O error + */ + public static List getAcl(FileSystem fileSystem, + FileStatus fileStatus) throws IOException { + List entries = fileSystem.getAclStatus(fileStatus.getPath()) + .getEntries(); + return AclUtil.getAclFromPermAndEntries(fileStatus.getPermission(), entries); + } + + /** + * Converts a FileStatus to a CopyListingFileStatus. If preserving ACLs, + * populates the CopyListingFileStatus with the ACLs. + * + * @param fileSystem FileSystem containing the file + * @param fileStatus FileStatus of file + * @param preserveAcls boolean true if preserving ACLs + * @throws IOException if there is an I/O error + */ + public static CopyListingFileStatus toCopyListingFileStatus( + FileSystem fileSystem, FileStatus fileStatus, boolean preserveAcls) + throws IOException { + CopyListingFileStatus copyListingFileStatus = + new CopyListingFileStatus(fileStatus); + if (preserveAcls) { + FsPermission perm = fileStatus.getPermission(); + if (perm.getAclBit()) { + List aclEntries = fileSystem.getAclStatus( + fileStatus.getPath()).getEntries(); + copyListingFileStatus.setAclEntries(aclEntries); + } + } + return copyListingFileStatus; + } + /** * Sort sequence file containing FileStatus and Text as key and value respecitvely * @@ -227,7 +284,8 @@ public static void preserve(FileSystem targetFS, Path path, */ public static Path sortListing(FileSystem fs, Configuration conf, Path sourceListing) throws IOException { - SequenceFile.Sorter sorter = new SequenceFile.Sorter(fs, Text.class, FileStatus.class, conf); + SequenceFile.Sorter sorter = new SequenceFile.Sorter(fs, Text.class, + CopyListingFileStatus.class, conf); Path output = new Path(sourceListing.toString() + "_sorted"); if (fs.exists(output)) { @@ -238,6 +296,25 @@ public static Path sortListing(FileSystem fs, Configuration conf, Path sourceLis return output; } + /** + * Determines if a file system supports ACLs by running a canary getAclStatus + * request on the file system root. This method is used before distcp job + * submission to fail fast if the user requested preserving ACLs, but the file + * system cannot support ACLs. + * + * @param fs FileSystem to check + * @throws AclsNotSupportedException if fs does not support ACLs + */ + public static void checkFileSystemAclSupport(FileSystem fs) + throws AclsNotSupportedException { + try { + fs.getAclStatus(new Path(Path.SEPARATOR)); + } catch (Exception e) { + throw new AclsNotSupportedException("ACLs not supported for file system: " + + fs.getUri()); + } + } + /** * String utility to convert a number-of-bytes to human readable format. */ diff --git a/hadoop-tools/hadoop-distcp/src/test/java/org/apache/hadoop/tools/StubContext.java b/hadoop-tools/hadoop-distcp/src/test/java/org/apache/hadoop/tools/StubContext.java index 0223fbc2e1..1a2227cf74 100644 --- a/hadoop-tools/hadoop-distcp/src/test/java/org/apache/hadoop/tools/StubContext.java +++ b/hadoop-tools/hadoop-distcp/src/test/java/org/apache/hadoop/tools/StubContext.java @@ -23,7 +23,6 @@ import org.apache.hadoop.mapreduce.lib.map.WrappedMapper; import org.apache.hadoop.mapreduce.lib.input.FileInputFormat; import org.apache.hadoop.io.Text; -import org.apache.hadoop.fs.FileStatus; import org.apache.hadoop.conf.Configuration; import java.util.List; @@ -33,18 +32,19 @@ public class StubContext { private StubStatusReporter reporter = new StubStatusReporter(); - private RecordReader reader; + private RecordReader reader; private StubInMemoryWriter writer = new StubInMemoryWriter(); - private Mapper.Context mapperContext; + private Mapper.Context mapperContext; - public StubContext(Configuration conf, RecordReader reader, - int taskId) throws IOException, InterruptedException { + public StubContext(Configuration conf, + RecordReader reader, int taskId) + throws IOException, InterruptedException { - WrappedMapper wrappedMapper - = new WrappedMapper(); + WrappedMapper wrappedMapper + = new WrappedMapper(); - MapContextImpl contextImpl - = new MapContextImpl(conf, + MapContextImpl contextImpl + = new MapContextImpl(conf, getTaskAttemptID(taskId), reader, writer, null, reporter, null); @@ -52,7 +52,7 @@ public StubContext(Configuration conf, RecordReader reader, this.mapperContext = wrappedMapper.getMapContext(contextImpl); } - public Mapper.Context getContext() { + public Mapper.Context getContext() { return mapperContext; } @@ -60,7 +60,7 @@ public StatusReporter getReporter() { return reporter; } - public RecordReader getReader() { + public RecordReader getReader() { return reader; } diff --git a/hadoop-tools/hadoop-distcp/src/test/java/org/apache/hadoop/tools/TestCopyListing.java b/hadoop-tools/hadoop-distcp/src/test/java/org/apache/hadoop/tools/TestCopyListing.java index 7acf2ab86f..d8f7e0b5d8 100644 --- a/hadoop-tools/hadoop-distcp/src/test/java/org/apache/hadoop/tools/TestCopyListing.java +++ b/hadoop-tools/hadoop-distcp/src/test/java/org/apache/hadoop/tools/TestCopyListing.java @@ -24,7 +24,6 @@ import org.apache.commons.logging.LogFactory; import org.apache.hadoop.fs.Path; import org.apache.hadoop.fs.FileSystem; -import org.apache.hadoop.fs.FileStatus; import org.apache.hadoop.conf.Configuration; import org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter; import org.apache.hadoop.tools.util.TestDistCpUtils; @@ -106,7 +105,7 @@ protected boolean shouldCopy(Path path, DistCpOptions options) { Assert.assertEquals(listing.getNumberOfPaths(), 3); SequenceFile.Reader reader = new SequenceFile.Reader(getConf(), SequenceFile.Reader.file(listingFile)); - FileStatus fileStatus = new FileStatus(); + CopyListingFileStatus fileStatus = new CopyListingFileStatus(); Text relativePath = new Text(); Assert.assertTrue(reader.next(relativePath, fileStatus)); Assert.assertEquals(relativePath.toString(), "/1"); @@ -274,7 +273,7 @@ public void testBuildListingForSingleFile() { reader = new SequenceFile.Reader(getConf(), SequenceFile.Reader.file(listFile)); - FileStatus fileStatus = new FileStatus(); + CopyListingFileStatus fileStatus = new CopyListingFileStatus(); Text relativePath = new Text(); Assert.assertTrue(reader.next(relativePath, fileStatus)); Assert.assertTrue(relativePath.toString().equals("")); diff --git a/hadoop-tools/hadoop-distcp/src/test/java/org/apache/hadoop/tools/TestDistCpWithAcls.java b/hadoop-tools/hadoop-distcp/src/test/java/org/apache/hadoop/tools/TestDistCpWithAcls.java new file mode 100644 index 0000000000..e8399912b3 --- /dev/null +++ b/hadoop-tools/hadoop-distcp/src/test/java/org/apache/hadoop/tools/TestDistCpWithAcls.java @@ -0,0 +1,329 @@ +/** + * 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 static org.apache.hadoop.fs.permission.AclEntryScope.*; +import static org.apache.hadoop.fs.permission.AclEntryType.*; +import static org.apache.hadoop.fs.permission.FsAction.*; +import static org.junit.Assert.*; + +import java.io.IOException; +import java.net.URI; +import java.util.Arrays; + +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.AclEntry; +import org.apache.hadoop.fs.permission.AclEntryScope; +import org.apache.hadoop.fs.permission.AclEntryType; +import org.apache.hadoop.fs.permission.FsAction; +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.util.Progressable; +import org.apache.hadoop.util.ToolRunner; + +import org.junit.AfterClass; +import org.junit.BeforeClass; +import org.junit.Test; + +/** + * Tests distcp in combination with HDFS ACLs. + */ +public class TestDistCpWithAcls { + + private static MiniDFSCluster cluster; + private static Configuration conf; + private static FileSystem fs; + + @BeforeClass + public static void init() throws Exception { + initCluster(true, true); + // Create this directory structure: + // /src + // /dir1 + // /subdir1 + // /dir2 + // /dir2/file2 + // /dir2/file3 + // /dir3sticky + // /file1 + fs.mkdirs(new Path("/src/dir1/subdir1")); + fs.mkdirs(new Path("/src/dir2")); + fs.create(new Path("/src/dir2/file2")).close(); + fs.create(new Path("/src/dir2/file3")).close(); + fs.mkdirs(new Path("/src/dir3sticky")); + fs.create(new Path("/src/file1")).close(); + + // Set a mix of ACLs and plain permissions throughout the tree. + fs.modifyAclEntries(new Path("/src/dir1"), Arrays.asList( + aclEntry(DEFAULT, USER, "bruce", ALL))); + + fs.modifyAclEntries(new Path("/src/dir2/file2"), Arrays.asList( + aclEntry(ACCESS, GROUP, "sales", NONE))); + + fs.setPermission(new Path("/src/dir2/file3"), + new FsPermission((short)0660)); + + fs.modifyAclEntries(new Path("/src/file1"), Arrays.asList( + aclEntry(ACCESS, USER, "diana", READ))); + + fs.setPermission(new Path("/src/dir3sticky"), + new FsPermission((short)01777)); + } + + @AfterClass + public static void shutdown() { + IOUtils.cleanup(null, fs); + if (cluster != null) { + cluster.shutdown(); + } + } + + @Test + public void testPreserveAcls() throws Exception { + assertRunDistCp(DistCpConstants.SUCCESS, "/dstPreserveAcls"); + + assertAclEntries("/dstPreserveAcls/dir1", new AclEntry[] { + aclEntry(DEFAULT, USER, ALL), + aclEntry(DEFAULT, USER, "bruce", ALL), + aclEntry(DEFAULT, GROUP, READ_EXECUTE), + aclEntry(DEFAULT, MASK, ALL), + aclEntry(DEFAULT, OTHER, READ_EXECUTE) } ); + assertPermission("/dstPreserveAcls/dir1", (short)0755); + + assertAclEntries("/dstPreserveAcls/dir1/subdir1", new AclEntry[] { }); + assertPermission("/dstPreserveAcls/dir1/subdir1", (short)0755); + + assertAclEntries("/dstPreserveAcls/dir2", new AclEntry[] { }); + assertPermission("/dstPreserveAcls/dir2", (short)0755); + + assertAclEntries("/dstPreserveAcls/dir2/file2", new AclEntry[] { + aclEntry(ACCESS, GROUP, READ), + aclEntry(ACCESS, GROUP, "sales", NONE) } ); + assertPermission("/dstPreserveAcls/dir2/file2", (short)0644); + + assertAclEntries("/dstPreserveAcls/dir2/file3", new AclEntry[] { }); + assertPermission("/dstPreserveAcls/dir2/file3", (short)0660); + + assertAclEntries("/dstPreserveAcls/dir3sticky", new AclEntry[] { }); + assertPermission("/dstPreserveAcls/dir3sticky", (short)01777); + + assertAclEntries("/dstPreserveAcls/file1", new AclEntry[] { + aclEntry(ACCESS, USER, "diana", READ), + aclEntry(ACCESS, GROUP, READ) } ); + assertPermission("/dstPreserveAcls/file1", (short)0644); + } + + @Test + public void testAclsNotEnabled() throws Exception { + try { + restart(false); + assertRunDistCp(DistCpConstants.ACLS_NOT_SUPPORTED, "/dstAclsNotEnabled"); + } finally { + restart(true); + } + } + + @Test + public void testAclsNotImplemented() throws Exception { + assertRunDistCp(DistCpConstants.ACLS_NOT_SUPPORTED, + "stubfs://dstAclsNotImplemented"); + } + + /** + * Stub FileSystem implementation used for testing the case of attempting + * distcp with ACLs preserved on a file system that does not support ACLs. + * The base class implementation throws UnsupportedOperationException for the + * ACL 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 null; + } + + @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) { + } + } + + /** + * Create a new AclEntry with scope, type and permission (no name). + * + * @param scope AclEntryScope scope of the ACL entry + * @param type AclEntryType ACL entry type + * @param permission FsAction set of permissions in the ACL entry + * @return AclEntry new AclEntry + */ + private static AclEntry aclEntry(AclEntryScope scope, AclEntryType type, + FsAction permission) { + return new AclEntry.Builder() + .setScope(scope) + .setType(type) + .setPermission(permission) + .build(); + } + + /** + * Create a new AclEntry with scope, type, name and permission. + * + * @param scope AclEntryScope scope of the ACL entry + * @param type AclEntryType ACL entry type + * @param name String optional ACL entry name + * @param permission FsAction set of permissions in the ACL entry + * @return AclEntry new AclEntry + */ + private static AclEntry aclEntry(AclEntryScope scope, AclEntryType type, + String name, FsAction permission) { + return new AclEntry.Builder() + .setScope(scope) + .setType(type) + .setName(name) + .setPermission(permission) + .build(); + } + + /** + * Asserts the ACL entries returned by getAclStatus for a specific path. + * + * @param path String path to check + * @param entries AclEntry[] expected ACL entries + * @throws Exception if there is any error + */ + private static void assertAclEntries(String path, AclEntry[] entries) + throws Exception { + assertArrayEquals(entries, fs.getAclStatus(new Path(path)).getEntries() + .toArray(new AclEntry[0])); + } + + /** + * Asserts the value of the FsPermission bits on the inode of a specific path. + * + * @param path String path to check + * @param perm short expected permission bits + * @throws Exception if there is any error + */ + private static void assertPermission(String path, short perm) + throws Exception { + assertEquals(perm, + fs.getFileStatus(new Path(path)).getPermission().toShort()); + } + + /** + * Runs distcp from /src to specified destination, preserving ACLs. Asserts + * expected exit code. + * + * @param int exitCode expected exit code + * @param dst String distcp destination + * @throws Exception if there is any error + */ + private static void assertRunDistCp(int exitCode, String dst) + throws Exception { + DistCp distCp = new DistCp(conf, null); + assertEquals(exitCode, ToolRunner.run( + conf, distCp, new String[] { "-pa", "/src", dst })); + } + + /** + * 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 aclsEnabled if true, ACL support is enabled + * @throws Exception if any step fails + */ + private static void initCluster(boolean format, boolean aclsEnabled) + throws Exception { + conf = new Configuration(); + conf.setBoolean(DFSConfigKeys.DFS_NAMENODE_ACLS_ENABLED_KEY, aclsEnabled); + 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 ACLs enabled or disabled. + * + * @param aclsEnabled if true, ACL support is enabled + * @throws Exception if any step fails + */ + private static void restart(boolean aclsEnabled) throws Exception { + shutdown(); + initCluster(false, aclsEnabled); + } +} diff --git a/hadoop-tools/hadoop-distcp/src/test/java/org/apache/hadoop/tools/TestFileBasedCopyListing.java b/hadoop-tools/hadoop-distcp/src/test/java/org/apache/hadoop/tools/TestFileBasedCopyListing.java index c4e451568d..fe2c66870e 100644 --- a/hadoop-tools/hadoop-distcp/src/test/java/org/apache/hadoop/tools/TestFileBasedCopyListing.java +++ b/hadoop-tools/hadoop-distcp/src/test/java/org/apache/hadoop/tools/TestFileBasedCopyListing.java @@ -23,7 +23,6 @@ import org.apache.hadoop.conf.Configuration; import org.apache.hadoop.fs.FileSystem; import org.apache.hadoop.fs.Path; -import org.apache.hadoop.fs.FileStatus; import org.apache.hadoop.hdfs.MiniDFSCluster; import org.apache.hadoop.io.SequenceFile; import org.apache.hadoop.io.Text; @@ -531,7 +530,7 @@ private void checkResult(Path listFile, int count) throws IOException { SequenceFile.Reader.file(listFile)); try { Text relPath = new Text(); - FileStatus fileStatus = new FileStatus(); + CopyListingFileStatus fileStatus = new CopyListingFileStatus(); while (reader.next(relPath, fileStatus)) { if (fileStatus.isDirectory() && relPath.toString().equals("")) { // ignore root with empty relPath, which is an entry to be diff --git a/hadoop-tools/hadoop-distcp/src/test/java/org/apache/hadoop/tools/TestGlobbedCopyListing.java b/hadoop-tools/hadoop-distcp/src/test/java/org/apache/hadoop/tools/TestGlobbedCopyListing.java index a91b201c59..6c03b4ee8a 100644 --- a/hadoop-tools/hadoop-distcp/src/test/java/org/apache/hadoop/tools/TestGlobbedCopyListing.java +++ b/hadoop-tools/hadoop-distcp/src/test/java/org/apache/hadoop/tools/TestGlobbedCopyListing.java @@ -19,7 +19,6 @@ package org.apache.hadoop.tools; import org.apache.hadoop.conf.Configuration; -import org.apache.hadoop.fs.FileStatus; import org.apache.hadoop.fs.FileSystem; import org.apache.hadoop.fs.Path; import org.apache.hadoop.hdfs.MiniDFSCluster; @@ -121,7 +120,7 @@ private void verifyContents(Path listingPath) throws Exception { SequenceFile.Reader reader = new SequenceFile.Reader(cluster.getFileSystem(), listingPath, new Configuration()); Text key = new Text(); - FileStatus value = new FileStatus(); + CopyListingFileStatus value = new CopyListingFileStatus(); Map actualValues = new HashMap(); while (reader.next(key, value)) { if (value.isDirectory() && key.toString().equals("")) { diff --git a/hadoop-tools/hadoop-distcp/src/test/java/org/apache/hadoop/tools/TestOptionsParser.java b/hadoop-tools/hadoop-distcp/src/test/java/org/apache/hadoop/tools/TestOptionsParser.java index 616b5815b7..296e994f93 100644 --- a/hadoop-tools/hadoop-distcp/src/test/java/org/apache/hadoop/tools/TestOptionsParser.java +++ b/hadoop-tools/hadoop-distcp/src/test/java/org/apache/hadoop/tools/TestOptionsParser.java @@ -410,6 +410,7 @@ public void testPreserve() { Assert.assertTrue(options.shouldPreserve(FileAttribute.USER)); Assert.assertTrue(options.shouldPreserve(FileAttribute.GROUP)); Assert.assertTrue(options.shouldPreserve(FileAttribute.CHECKSUMTYPE)); + Assert.assertFalse(options.shouldPreserve(FileAttribute.ACL)); options = OptionsParser.parse(new String[] { "-p", @@ -421,6 +422,7 @@ public void testPreserve() { Assert.assertTrue(options.shouldPreserve(FileAttribute.USER)); Assert.assertTrue(options.shouldPreserve(FileAttribute.GROUP)); Assert.assertTrue(options.shouldPreserve(FileAttribute.CHECKSUMTYPE)); + Assert.assertFalse(options.shouldPreserve(FileAttribute.ACL)); options = OptionsParser.parse(new String[] { "-pbr", @@ -433,6 +435,7 @@ public void testPreserve() { Assert.assertFalse(options.shouldPreserve(FileAttribute.USER)); Assert.assertFalse(options.shouldPreserve(FileAttribute.GROUP)); Assert.assertFalse(options.shouldPreserve(FileAttribute.CHECKSUMTYPE)); + Assert.assertFalse(options.shouldPreserve(FileAttribute.ACL)); options = OptionsParser.parse(new String[] { "-pbrgup", @@ -445,9 +448,10 @@ public void testPreserve() { Assert.assertTrue(options.shouldPreserve(FileAttribute.USER)); Assert.assertTrue(options.shouldPreserve(FileAttribute.GROUP)); Assert.assertFalse(options.shouldPreserve(FileAttribute.CHECKSUMTYPE)); + Assert.assertFalse(options.shouldPreserve(FileAttribute.ACL)); options = OptionsParser.parse(new String[] { - "-pbrgupc", + "-pbrgupca", "-f", "hdfs://localhost:8020/source/first", "hdfs://localhost:8020/target/"}); @@ -457,6 +461,7 @@ public void testPreserve() { Assert.assertTrue(options.shouldPreserve(FileAttribute.USER)); Assert.assertTrue(options.shouldPreserve(FileAttribute.GROUP)); Assert.assertTrue(options.shouldPreserve(FileAttribute.CHECKSUMTYPE)); + Assert.assertTrue(options.shouldPreserve(FileAttribute.ACL)); options = OptionsParser.parse(new String[] { "-pc", @@ -469,6 +474,7 @@ public void testPreserve() { Assert.assertFalse(options.shouldPreserve(FileAttribute.USER)); Assert.assertFalse(options.shouldPreserve(FileAttribute.GROUP)); Assert.assertTrue(options.shouldPreserve(FileAttribute.CHECKSUMTYPE)); + Assert.assertFalse(options.shouldPreserve(FileAttribute.ACL)); options = OptionsParser.parse(new String[] { "-p", @@ -485,7 +491,7 @@ public void testPreserve() { try { OptionsParser.parse(new String[] { - "-pabc", + "-pabcd", "-f", "hdfs://localhost:8020/source/first", "hdfs://localhost:8020/target"}); diff --git a/hadoop-tools/hadoop-distcp/src/test/java/org/apache/hadoop/tools/mapred/TestCopyMapper.java b/hadoop-tools/hadoop-distcp/src/test/java/org/apache/hadoop/tools/mapred/TestCopyMapper.java index 4ba95ec99b..7eb1b6801e 100644 --- a/hadoop-tools/hadoop-distcp/src/test/java/org/apache/hadoop/tools/mapred/TestCopyMapper.java +++ b/hadoop-tools/hadoop-distcp/src/test/java/org/apache/hadoop/tools/mapred/TestCopyMapper.java @@ -42,6 +42,7 @@ import org.apache.hadoop.mapreduce.Mapper; import org.apache.hadoop.security.AccessControlException; import org.apache.hadoop.security.UserGroupInformation; +import org.apache.hadoop.tools.CopyListingFileStatus; import org.apache.hadoop.tools.DistCpConstants; import org.apache.hadoop.tools.DistCpOptionSwitch; import org.apache.hadoop.tools.DistCpOptions; @@ -222,7 +223,7 @@ private void testCopy(boolean preserveChecksum) { FileSystem fs = cluster.getFileSystem(); CopyMapper copyMapper = new CopyMapper(); StubContext stubContext = new StubContext(getConfiguration(), null, 0); - Mapper.Context context + Mapper.Context context = stubContext.getContext(); Configuration configuration = context.getConfiguration(); @@ -238,7 +239,7 @@ private void testCopy(boolean preserveChecksum) { for (Path path: pathList) { copyMapper.map(new Text(DistCpUtils.getRelativePath(new Path(SOURCE_PATH), path)), - fs.getFileStatus(path), context); + new CopyListingFileStatus(fs.getFileStatus(path)), context); } // Check that the maps worked. @@ -283,12 +284,11 @@ private void testCopy(boolean preserveChecksum) { } private void testCopyingExistingFiles(FileSystem fs, CopyMapper copyMapper, - Mapper.Context context) { - + Mapper.Context context) { try { for (Path path : pathList) { copyMapper.map(new Text(DistCpUtils.getRelativePath(new Path(SOURCE_PATH), path)), - fs.getFileStatus(path), context); + new CopyListingFileStatus(fs.getFileStatus(path)), context); } Assert.assertEquals(nFiles, @@ -309,7 +309,7 @@ public void testMakeDirFailure() { FileSystem fs = cluster.getFileSystem(); CopyMapper copyMapper = new CopyMapper(); StubContext stubContext = new StubContext(getConfiguration(), null, 0); - Mapper.Context context + Mapper.Context context = stubContext.getContext(); Configuration configuration = context.getConfiguration(); @@ -320,7 +320,7 @@ public void testMakeDirFailure() { copyMapper.setup(context); copyMapper.map(new Text(DistCpUtils.getRelativePath(new Path(SOURCE_PATH), pathList.get(0))), - fs.getFileStatus(pathList.get(0)), context); + new CopyListingFileStatus(fs.getFileStatus(pathList.get(0))), context); Assert.assertTrue("There should have been an exception.", false); } @@ -343,7 +343,7 @@ public void testDirToFile() { FileSystem fs = cluster.getFileSystem(); CopyMapper copyMapper = new CopyMapper(); StubContext stubContext = new StubContext(getConfiguration(), null, 0); - Mapper.Context context + Mapper.Context context = stubContext.getContext(); mkdirs(SOURCE_PATH + "/src/file"); @@ -351,7 +351,8 @@ public void testDirToFile() { try { copyMapper.setup(context); copyMapper.map(new Text("/src/file"), - fs.getFileStatus(new Path(SOURCE_PATH + "/src/file")), + new CopyListingFileStatus(fs.getFileStatus( + new Path(SOURCE_PATH + "/src/file"))), context); } catch (IOException e) { Assert.assertTrue(e.getMessage().startsWith("Can't replace")); @@ -372,22 +373,24 @@ public void testPreserve() { final CopyMapper copyMapper = new CopyMapper(); - final Mapper.Context context = tmpUser. - doAs(new PrivilegedAction.Context>() { - @Override - public Mapper.Context run() { - try { - StubContext stubContext = new StubContext(getConfiguration(), null, 0); - return stubContext.getContext(); - } catch (Exception e) { - LOG.error("Exception encountered ", e); - throw new RuntimeException(e); - } - } - }); + final Mapper.Context context = + tmpUser.doAs( + new PrivilegedAction.Context>() { + @Override + public Mapper.Context run() { + try { + StubContext stubContext = new StubContext(getConfiguration(), null, 0); + return stubContext.getContext(); + } catch (Exception e) { + LOG.error("Exception encountered ", e); + throw new RuntimeException(e); + } + } + }); EnumSet preserveStatus = EnumSet.allOf(DistCpOptions.FileAttribute.class); + preserveStatus.remove(DistCpOptions.FileAttribute.ACL); context.getConfiguration().set(DistCpConstants.CONF_LABEL_PRESERVE_STATUS, DistCpUtils.packAttributes(preserveStatus)); @@ -415,7 +418,8 @@ public Integer run() { try { copyMapper.setup(context); copyMapper.map(new Text("/src/file"), - tmpFS.getFileStatus(new Path(SOURCE_PATH + "/src/file")), + new CopyListingFileStatus(tmpFS.getFileStatus( + new Path(SOURCE_PATH + "/src/file"))), context); Assert.fail("Expected copy to fail"); } catch (AccessControlException e) { @@ -442,19 +446,20 @@ public void testCopyReadableFiles() { final CopyMapper copyMapper = new CopyMapper(); - final Mapper.Context context = tmpUser. - doAs(new PrivilegedAction.Context>() { - @Override - public Mapper.Context run() { - try { - StubContext stubContext = new StubContext(getConfiguration(), null, 0); - return stubContext.getContext(); - } catch (Exception e) { - LOG.error("Exception encountered ", e); - throw new RuntimeException(e); - } - } - }); + final Mapper.Context context = + tmpUser.doAs( + new PrivilegedAction.Context>() { + @Override + public Mapper.Context run() { + try { + StubContext stubContext = new StubContext(getConfiguration(), null, 0); + return stubContext.getContext(); + } catch (Exception e) { + LOG.error("Exception encountered ", e); + throw new RuntimeException(e); + } + } + }); touchFile(SOURCE_PATH + "/src/file"); mkdirs(TARGET_PATH); @@ -481,7 +486,8 @@ public Integer run() { try { copyMapper.setup(context); copyMapper.map(new Text("/src/file"), - tmpFS.getFileStatus(new Path(SOURCE_PATH + "/src/file")), + new CopyListingFileStatus(tmpFS.getFileStatus( + new Path(SOURCE_PATH + "/src/file"))), context); } catch (Exception e) { throw new RuntimeException(e); @@ -518,9 +524,11 @@ public StubContext run() { } }); - final Mapper.Context context = stubContext.getContext(); + final Mapper.Context context = + stubContext.getContext(); EnumSet preserveStatus = EnumSet.allOf(DistCpOptions.FileAttribute.class); + preserveStatus.remove(DistCpOptions.FileAttribute.ACL); context.getConfiguration().set(DistCpConstants.CONF_LABEL_PRESERVE_STATUS, DistCpUtils.packAttributes(preserveStatus)); @@ -551,7 +559,8 @@ public Integer run() { try { copyMapper.setup(context); copyMapper.map(new Text("/src/file"), - tmpFS.getFileStatus(new Path(SOURCE_PATH + "/src/file")), + new CopyListingFileStatus(tmpFS.getFileStatus( + new Path(SOURCE_PATH + "/src/file"))), context); Assert.assertEquals(stubContext.getWriter().values().size(), 1); Assert.assertTrue(stubContext.getWriter().values().get(0).toString().startsWith("SKIP")); @@ -594,8 +603,9 @@ public StubContext run() { EnumSet preserveStatus = EnumSet.allOf(DistCpOptions.FileAttribute.class); + preserveStatus.remove(DistCpOptions.FileAttribute.ACL); - final Mapper.Context context + final Mapper.Context context = stubContext.getContext(); context.getConfiguration().set(DistCpConstants.CONF_LABEL_PRESERVE_STATUS, @@ -629,7 +639,8 @@ public Integer run() { try { copyMapper.setup(context); copyMapper.map(new Text("/src/file"), - tmpFS.getFileStatus(new Path(SOURCE_PATH + "/src/file")), + new CopyListingFileStatus(tmpFS.getFileStatus( + new Path(SOURCE_PATH + "/src/file"))), context); Assert.fail("Didn't expect the file to be copied"); } catch (AccessControlException ignore) { @@ -661,7 +672,7 @@ public void testFileToDir() { FileSystem fs = cluster.getFileSystem(); CopyMapper copyMapper = new CopyMapper(); StubContext stubContext = new StubContext(getConfiguration(), null, 0); - Mapper.Context context + Mapper.Context context = stubContext.getContext(); touchFile(SOURCE_PATH + "/src/file"); @@ -669,7 +680,8 @@ public void testFileToDir() { try { copyMapper.setup(context); copyMapper.map(new Text("/src/file"), - fs.getFileStatus(new Path(SOURCE_PATH + "/src/file")), + new CopyListingFileStatus(fs.getFileStatus( + new Path(SOURCE_PATH + "/src/file"))), context); } catch (IOException e) { Assert.assertTrue(e.getMessage().startsWith("Can't replace")); @@ -688,7 +700,7 @@ private void doTestIgnoreFailures(boolean ignoreFailures) { FileSystem fs = cluster.getFileSystem(); CopyMapper copyMapper = new CopyMapper(); StubContext stubContext = new StubContext(getConfiguration(), null, 0); - Mapper.Context context + Mapper.Context context = stubContext.getContext(); Configuration configuration = context.getConfiguration(); @@ -705,7 +717,7 @@ private void doTestIgnoreFailures(boolean ignoreFailures) { if (!fileStatus.isDirectory()) { fs.delete(path, true); copyMapper.map(new Text(DistCpUtils.getRelativePath(new Path(SOURCE_PATH), path)), - fileStatus, context); + new CopyListingFileStatus(fileStatus), context); } } if (ignoreFailures) { @@ -745,7 +757,7 @@ public void testCopyFailOnBlockSizeDifference() { FileSystem fs = cluster.getFileSystem(); CopyMapper copyMapper = new CopyMapper(); StubContext stubContext = new StubContext(getConfiguration(), null, 0); - Mapper.Context context + Mapper.Context context = stubContext.getContext(); Configuration configuration = context.getConfiguration(); @@ -759,7 +771,7 @@ public void testCopyFailOnBlockSizeDifference() { for (Path path : pathList) { final FileStatus fileStatus = fs.getFileStatus(path); copyMapper.map(new Text(DistCpUtils.getRelativePath(new Path(SOURCE_PATH), path)), - fileStatus, context); + new CopyListingFileStatus(fileStatus), context); } Assert.fail("Copy should have failed because of block-size difference."); @@ -780,7 +792,7 @@ private void testPreserveBlockSizeAndReplicationImpl(boolean preserve){ FileSystem fs = cluster.getFileSystem(); CopyMapper copyMapper = new CopyMapper(); StubContext stubContext = new StubContext(getConfiguration(), null, 0); - Mapper.Context context + Mapper.Context context = stubContext.getContext(); Configuration configuration = context.getConfiguration(); @@ -798,7 +810,7 @@ private void testPreserveBlockSizeAndReplicationImpl(boolean preserve){ for (Path path : pathList) { final FileStatus fileStatus = fs.getFileStatus(path); copyMapper.map(new Text(DistCpUtils.getRelativePath(new Path(SOURCE_PATH), path)), - fileStatus, context); + new CopyListingFileStatus(fileStatus), context); } // Check that the block-size/replication aren't preserved. @@ -855,7 +867,7 @@ public void testSingleFileCopy() { FileSystem fs = cluster.getFileSystem(); CopyMapper copyMapper = new CopyMapper(); StubContext stubContext = new StubContext(getConfiguration(), null, 0); - Mapper.Context context + Mapper.Context context = stubContext.getContext(); context.getConfiguration().set( @@ -863,7 +875,8 @@ public void testSingleFileCopy() { targetFilePath.getParent().toString()); // Parent directory. copyMapper.setup(context); - final FileStatus sourceFileStatus = fs.getFileStatus(sourceFilePath); + final CopyListingFileStatus sourceFileStatus = new CopyListingFileStatus( + fs.getFileStatus(sourceFilePath)); long before = fs.getFileStatus(targetFilePath).getModificationTime(); copyMapper.map(new Text(DistCpUtils.getRelativePath( @@ -907,7 +920,7 @@ private void testPreserveUserGroupImpl(boolean preserve){ FileSystem fs = cluster.getFileSystem(); CopyMapper copyMapper = new CopyMapper(); StubContext stubContext = new StubContext(getConfiguration(), null, 0); - Mapper.Context context + Mapper.Context context = stubContext.getContext(); Configuration configuration = context.getConfiguration(); @@ -926,7 +939,7 @@ private void testPreserveUserGroupImpl(boolean preserve){ for (Path path : pathList) { final FileStatus fileStatus = fs.getFileStatus(path); copyMapper.map(new Text(DistCpUtils.getRelativePath(new Path(SOURCE_PATH), path)), - fileStatus, context); + new CopyListingFileStatus(fileStatus), context); } // Check that the user/group attributes are preserved diff --git a/hadoop-tools/hadoop-distcp/src/test/java/org/apache/hadoop/tools/mapred/TestUniformSizeInputFormat.java b/hadoop-tools/hadoop-distcp/src/test/java/org/apache/hadoop/tools/mapred/TestUniformSizeInputFormat.java index 93fad905f2..78e226252d 100644 --- a/hadoop-tools/hadoop-distcp/src/test/java/org/apache/hadoop/tools/mapred/TestUniformSizeInputFormat.java +++ b/hadoop-tools/hadoop-distcp/src/test/java/org/apache/hadoop/tools/mapred/TestUniformSizeInputFormat.java @@ -30,6 +30,7 @@ import org.apache.hadoop.mapreduce.task.JobContextImpl; import org.apache.hadoop.mapreduce.lib.input.FileSplit; import org.apache.hadoop.tools.CopyListing; +import org.apache.hadoop.tools.CopyListingFileStatus; import org.apache.hadoop.tools.DistCpOptions; import org.apache.hadoop.tools.StubContext; import org.apache.hadoop.security.Credentials; @@ -122,8 +123,8 @@ public void testGetSplits(int nMaps) throws Exception { for (int i=0; i recordReader = uniformSizeInputFormat.createRecordReader( - split, null); + RecordReader recordReader = + uniformSizeInputFormat.createRecordReader(split, null); StubContext stubContext = new StubContext(jobContext.getConfiguration(), recordReader, 0); final TaskAttemptContext taskAttemptContext @@ -168,7 +169,7 @@ private void checkSplits(Path listFile, List splits) throws IOExcept try { reader.seek(lastEnd); - FileStatus srcFileStatus = new FileStatus(); + CopyListingFileStatus srcFileStatus = new CopyListingFileStatus(); Text srcRelPath = new Text(); Assert.assertFalse(reader.next(srcRelPath, srcFileStatus)); } finally { diff --git a/hadoop-tools/hadoop-distcp/src/test/java/org/apache/hadoop/tools/mapred/lib/TestDynamicInputFormat.java b/hadoop-tools/hadoop-distcp/src/test/java/org/apache/hadoop/tools/mapred/lib/TestDynamicInputFormat.java index ad67eb0371..8cc8317b99 100644 --- a/hadoop-tools/hadoop-distcp/src/test/java/org/apache/hadoop/tools/mapred/lib/TestDynamicInputFormat.java +++ b/hadoop-tools/hadoop-distcp/src/test/java/org/apache/hadoop/tools/mapred/lib/TestDynamicInputFormat.java @@ -25,13 +25,13 @@ import org.apache.hadoop.conf.Configuration; import org.apache.hadoop.fs.FileSystem; import org.apache.hadoop.fs.Path; -import org.apache.hadoop.fs.FileStatus; import org.apache.hadoop.hdfs.MiniDFSCluster; import org.apache.hadoop.io.IOUtils; import org.apache.hadoop.io.Text; import org.apache.hadoop.mapreduce.*; import org.apache.hadoop.mapreduce.task.JobContextImpl; import org.apache.hadoop.tools.CopyListing; +import org.apache.hadoop.tools.CopyListingFileStatus; import org.apache.hadoop.tools.DistCpOptions; import org.apache.hadoop.tools.StubContext; import org.apache.hadoop.security.Credentials; @@ -118,15 +118,15 @@ public void testGetSplits() throws Exception { +"/tmp/testDynInputFormat/fileList.seq"), options); JobContext jobContext = new JobContextImpl(configuration, new JobID()); - DynamicInputFormat inputFormat = - new DynamicInputFormat(); + DynamicInputFormat inputFormat = + new DynamicInputFormat(); List splits = inputFormat.getSplits(jobContext); int nFiles = 0; int taskId = 0; for (InputSplit split : splits) { - RecordReader recordReader = + RecordReader recordReader = inputFormat.createRecordReader(split, null); StubContext stubContext = new StubContext(jobContext.getConfiguration(), recordReader, taskId); @@ -136,7 +136,7 @@ public void testGetSplits() throws Exception { recordReader.initialize(splits.get(0), taskAttemptContext); float previousProgressValue = 0f; while (recordReader.nextKeyValue()) { - FileStatus fileStatus = recordReader.getCurrentValue(); + CopyListingFileStatus fileStatus = recordReader.getCurrentValue(); String source = fileStatus.getPath().toString(); System.out.println(source); Assert.assertTrue(expectedFilePaths.contains(source)); diff --git a/hadoop-tools/hadoop-distcp/src/test/java/org/apache/hadoop/tools/util/TestDistCpUtils.java b/hadoop-tools/hadoop-distcp/src/test/java/org/apache/hadoop/tools/util/TestDistCpUtils.java index 762979287d..4825e15cee 100644 --- a/hadoop-tools/hadoop-distcp/src/test/java/org/apache/hadoop/tools/util/TestDistCpUtils.java +++ b/hadoop-tools/hadoop-distcp/src/test/java/org/apache/hadoop/tools/util/TestDistCpUtils.java @@ -26,6 +26,7 @@ import org.apache.hadoop.fs.permission.FsPermission; import org.apache.hadoop.hdfs.MiniDFSCluster; import org.apache.hadoop.io.IOUtils; +import org.apache.hadoop.tools.CopyListingFileStatus; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.junit.Assert; @@ -106,7 +107,8 @@ public void testPreserve() { Path src = new Path("/tmp/src"); fs.mkdirs(path); fs.mkdirs(src); - FileStatus srcStatus = fs.getFileStatus(src); + CopyListingFileStatus srcStatus = new CopyListingFileStatus( + fs.getFileStatus(src)); FsPermission noPerm = new FsPermission((short) 0); fs.setPermission(path, noPerm);