HDFS-4414. Add support for getting snapshot diff from DistributedFileSystem. Contributed by Jing Zhao.
git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/HDFS-2802@1441808 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Suresh Srinivas
parent
e7db60fbfc
commit
24d96cbcdb
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@ -146,3 +146,6 @@ Branch-2802 Snapshot (Unreleased)
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HDFS-4464. Combine collectSubtreeBlocksAndClear with deleteDiffsForSnapshot
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and rename it to destroySubtreeAndCollectBlocks. (szetszwo)
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HDFS-4414. Add support for getting snapshot diff from DistributedFileSystem.
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(Jing Zhao via suresh)
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@ -111,6 +111,7 @@ import org.apache.hadoop.hdfs.protocol.DirectoryListing;
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import org.apache.hadoop.hdfs.protocol.ExtendedBlock;
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import org.apache.hadoop.hdfs.protocol.HdfsBlocksMetadata;
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import org.apache.hadoop.hdfs.protocol.HdfsConstants;
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import org.apache.hadoop.hdfs.protocol.SnapshotDiffReport;
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import org.apache.hadoop.hdfs.protocol.HdfsConstants.DatanodeReportType;
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import org.apache.hadoop.hdfs.protocol.HdfsConstants.SafeModeAction;
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import org.apache.hadoop.hdfs.protocol.HdfsFileStatus;
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@ -2065,6 +2066,18 @@ public class DFSClient implements java.io.Closeable {
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namenode.disallowSnapshot(snapshotRoot);
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}
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/**
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* Get the difference between two snapshots, or between a snapshot and the
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* current tree of a directory.
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* @see ClientProtocol#getSnapshotDiffReport(String, String, String)
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*/
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public SnapshotDiffReport getSnapshotDiffReport(Path snapshotDir,
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String fromSnapshot, String toSnapshot) throws IOException {
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checkOpen();
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return namenode.getSnapshotDiffReport(snapshotDir.toString(), fromSnapshot,
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toSnapshot);
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}
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/**
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* Save namespace image.
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*
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@ -30,10 +30,9 @@ import org.apache.hadoop.classification.InterfaceAudience;
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import org.apache.hadoop.classification.InterfaceStability;
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import org.apache.hadoop.conf.Configuration;
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import org.apache.hadoop.fs.BlockLocation;
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import org.apache.hadoop.fs.BlockStorageLocation;
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import org.apache.hadoop.fs.ContentSummary;
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import org.apache.hadoop.fs.CreateFlag;
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import org.apache.hadoop.fs.BlockStorageLocation;
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import org.apache.hadoop.fs.VolumeId;
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import org.apache.hadoop.fs.FSDataInputStream;
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import org.apache.hadoop.fs.FileStatus;
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import org.apache.hadoop.fs.FileSystem;
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@ -46,6 +45,7 @@ import org.apache.hadoop.fs.Options.ChecksumOpt;
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import org.apache.hadoop.fs.Path;
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import org.apache.hadoop.fs.PathFilter;
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import org.apache.hadoop.fs.RemoteIterator;
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import org.apache.hadoop.fs.VolumeId;
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import org.apache.hadoop.fs.permission.FsPermission;
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import org.apache.hadoop.hdfs.client.HdfsDataInputStream;
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import org.apache.hadoop.hdfs.client.HdfsDataOutputStream;
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@ -53,6 +53,7 @@ import org.apache.hadoop.hdfs.protocol.DatanodeInfo;
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import org.apache.hadoop.hdfs.protocol.DirectoryListing;
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import org.apache.hadoop.hdfs.protocol.ExtendedBlock;
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import org.apache.hadoop.hdfs.protocol.HdfsConstants;
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import org.apache.hadoop.hdfs.protocol.SnapshotDiffReport;
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import org.apache.hadoop.hdfs.protocol.HdfsConstants.DatanodeReportType;
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import org.apache.hadoop.hdfs.protocol.HdfsConstants.SafeModeAction;
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import org.apache.hadoop.hdfs.protocol.HdfsFileStatus;
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@ -917,9 +918,8 @@ public class DistributedFileSystem extends FileSystem {
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/**
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* Disallow snapshot on a directory.
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*
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* @param path the snapshottable directory.
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* @throws IOException
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* @throws IOException on error
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*/
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public void disallowSnapshot(String path) throws IOException {
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dfs.disallowSnapshot(path);
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@ -957,4 +957,15 @@ public class DistributedFileSystem extends FileSystem {
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throws IOException {
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dfs.deleteSnapshot(getPathName(snapshotDir), snapshotName);
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}
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/**
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* Get the difference between two snapshots, or between a snapshot and the
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* current tree of a directory.
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*
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* @see DFSClient#getSnapshotDiffReport(Path, String, String)
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*/
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public SnapshotDiffReport getSnapshotDiffReport(Path snapshotDir,
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String fromSnapshot, String toSnapshot) throws IOException {
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return dfs.getSnapshotDiffReport(snapshotDir, fromSnapshot, toSnapshot);
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}
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}
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@ -24,15 +24,18 @@ import org.apache.hadoop.classification.InterfaceAudience;
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import org.apache.hadoop.classification.InterfaceStability;
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import org.apache.hadoop.fs.ContentSummary;
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import org.apache.hadoop.fs.CreateFlag;
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import org.apache.hadoop.fs.FsServerDefaults;
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import org.apache.hadoop.fs.Options;
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import org.apache.hadoop.fs.FileAlreadyExistsException;
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import org.apache.hadoop.fs.ParentNotDirectoryException;
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import org.apache.hadoop.fs.FsServerDefaults;
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import org.apache.hadoop.fs.InvalidPathException;
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import org.apache.hadoop.fs.UnresolvedLinkException;
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import org.apache.hadoop.fs.Options;
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import org.apache.hadoop.fs.Options.Rename;
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import org.apache.hadoop.fs.ParentNotDirectoryException;
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import org.apache.hadoop.fs.UnresolvedLinkException;
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import org.apache.hadoop.fs.permission.FsPermission;
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import org.apache.hadoop.hdfs.DFSConfigKeys;
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import org.apache.hadoop.hdfs.security.token.block.DataEncryptionKey;
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import org.apache.hadoop.hdfs.security.token.delegation.DelegationTokenIdentifier;
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import org.apache.hadoop.hdfs.security.token.delegation.DelegationTokenSelector;
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import org.apache.hadoop.hdfs.server.namenode.NotReplicatedYetException;
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import org.apache.hadoop.hdfs.server.namenode.SafeModeException;
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import org.apache.hadoop.hdfs.server.namenode.snapshot.SnapshotAccessControlException;
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@ -43,9 +46,6 @@ import org.apache.hadoop.security.AccessControlException;
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import org.apache.hadoop.security.KerberosInfo;
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import org.apache.hadoop.security.token.Token;
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import org.apache.hadoop.security.token.TokenInfo;
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import org.apache.hadoop.hdfs.security.token.block.DataEncryptionKey;
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import org.apache.hadoop.hdfs.security.token.delegation.DelegationTokenIdentifier;
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import org.apache.hadoop.hdfs.security.token.delegation.DelegationTokenSelector;
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/**********************************************************************
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* ClientProtocol is used by user code via
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@ -1009,7 +1009,7 @@ public interface ClientProtocol {
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/**
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* Allow snapshot on a directory.
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* @param snapshotRoot the directory to be snapped
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* @throws IOException
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* @throws IOException on error
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*/
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public void allowSnapshot(String snapshotRoot)
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throws IOException;
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@ -1017,9 +1017,27 @@ public interface ClientProtocol {
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/**
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* Disallow snapshot on a directory.
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* @param snapshotRoot the directory to disallow snapshot
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* @throws IOException
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* @throws IOException on error
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*/
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public void disallowSnapshot(String snapshotRoot)
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throws IOException;
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/**
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* Get the difference between two snapshots, or between a snapshot and the
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* current tree of a directory.
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*
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* @param snapshotRoot
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* full path of the directory where snapshots are taken
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* @param fromSnapshot
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* snapshot name of the from point. Null indicates the current
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* tree
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* @param toSnapshot
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* snapshot name of the to point. Null indicates the current
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* tree.
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* @return The difference report represented as a {@link SnapshotDiffReport}.
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* @throws IOException on error
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*/
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public SnapshotDiffReport getSnapshotDiffReport(String snapshotRoot,
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String fromSnapshot, String toSnapshot) throws IOException;
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}
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@ -0,0 +1,173 @@
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/**
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.hadoop.hdfs.protocol;
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import java.util.Collections;
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import java.util.List;
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import org.apache.hadoop.hdfs.server.namenode.snapshot.INodeDirectorySnapshottable.SnapshotDiffInfo;
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/**
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* This class represents to end users the difference between two snapshots of
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* the same directory, or the difference between a snapshot of the directory and
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* its current state. Instead of capturing all the details of the diff, which
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* is stored in {@link SnapshotDiffInfo}, this class only lists where the
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* changes happened and their types.
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*/
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public class SnapshotDiffReport {
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private final static String LINE_SEPARATOR = System.getProperty(
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"line.separator", "\n");
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/**
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* Types of the difference, which include CREATE, MODIFY, DELETE, and RENAME.
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* Each type has a label for representation: +/M/-/R represent CREATE, MODIFY,
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* DELETE, and RENAME respectively.
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*/
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public enum DiffType {
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CREATE("+"),
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MODIFY("M"),
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DELETE("-"),
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RENAME("R");
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private String label;
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private DiffType(String label) {
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this.label = label;
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}
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public String getLabel() {
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return label;
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}
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public static DiffType getTypeFromLabel(String label) {
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if (label.equals(CREATE.getLabel())) {
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return CREATE;
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} else if (label.equals(MODIFY.getLabel())) {
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return MODIFY;
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} else if (label.equals(DELETE.getLabel())) {
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return DELETE;
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} else if (label.equals(RENAME.getLabel())) {
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return RENAME;
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}
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return null;
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}
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};
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/**
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* Representing the full path and diff type of a file/directory where changes
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* have happened.
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*/
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public static class DiffReportEntry {
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/** The type of the difference. */
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private final DiffType type;
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/** The full path of the file/directory where changes have happened */
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private final String fullPath;
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public DiffReportEntry(DiffType type, String fullPath) {
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this.type = type;
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this.fullPath = fullPath;
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}
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@Override
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public String toString() {
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return type.getLabel() + "\t" + fullPath;
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}
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public DiffType getType() {
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return type;
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}
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public String getFullPath() {
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return fullPath;
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}
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@Override
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public boolean equals(Object other) {
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if (this == other) {
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return true;
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}
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if (other != null && other instanceof DiffReportEntry) {
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DiffReportEntry entry = (DiffReportEntry) other;
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return type.equals(entry.getType())
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&& fullPath.equals(entry.getFullPath());
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}
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return false;
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}
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@Override
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public int hashCode() {
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return fullPath.hashCode();
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}
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}
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/** snapshot root full path */
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private final String snapshotRoot;
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/** start point of the diff */
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private final String fromSnapshot;
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/** end point of the diff */
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private final String toSnapshot;
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/** list of diff */
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private final List<DiffReportEntry> diffList;
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public SnapshotDiffReport(String snapshotRoot, String fromSnapshot,
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String toSnapshot, List<DiffReportEntry> entryList) {
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this.snapshotRoot = snapshotRoot;
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this.fromSnapshot = fromSnapshot;
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this.toSnapshot = toSnapshot;
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this.diffList = entryList != null ? entryList : Collections
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.<DiffReportEntry> emptyList();
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}
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/** @return {@link #snapshotRoot}*/
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public String getSnapshotRoot() {
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return snapshotRoot;
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}
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/** @return {@link #fromSnapshot} */
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public String getFromSnapshot() {
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return fromSnapshot;
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}
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/** @return {@link #toSnapshot} */
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public String getLaterSnapshotName() {
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return toSnapshot;
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}
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/** @return {@link #diffList} */
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public List<DiffReportEntry> getDiffList() {
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return diffList;
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}
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@Override
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public String toString() {
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StringBuilder str = new StringBuilder();
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String from = fromSnapshot == null || fromSnapshot.isEmpty() ?
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"current directory" : "snapshot " + fromSnapshot;
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String to = toSnapshot == null || toSnapshot.isEmpty() ? "current directory"
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: "snapshot " + toSnapshot;
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str.append("Diffence between snapshot " + from + " and " + to
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+ " under directory " + snapshotRoot + ":" + LINE_SEPARATOR);
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for (DiffReportEntry entry : diffList) {
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str.append(entry.toString() + LINE_SEPARATOR);
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}
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return str.toString();
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}
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}
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@ -31,6 +31,7 @@ import org.apache.hadoop.hdfs.protocol.DirectoryListing;
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import org.apache.hadoop.hdfs.protocol.HdfsFileStatus;
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import org.apache.hadoop.hdfs.protocol.LocatedBlock;
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import org.apache.hadoop.hdfs.protocol.LocatedBlocks;
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import org.apache.hadoop.hdfs.protocol.SnapshotDiffReport;
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import org.apache.hadoop.hdfs.protocol.SnapshottableDirectoryStatus;
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import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.AbandonBlockRequestProto;
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import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.AbandonBlockResponseProto;
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@ -62,13 +63,13 @@ import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.FsyncR
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import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.FsyncResponseProto;
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import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.GetAdditionalDatanodeRequestProto;
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import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.GetAdditionalDatanodeResponseProto;
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import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.GetDataEncryptionKeyRequestProto;
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import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.GetDataEncryptionKeyResponseProto;
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import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.GetBlockLocationsRequestProto;
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import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.GetBlockLocationsResponseProto;
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import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.GetBlockLocationsResponseProto.Builder;
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import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.GetContentSummaryRequestProto;
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import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.GetContentSummaryResponseProto;
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import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.GetDataEncryptionKeyRequestProto;
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import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.GetDataEncryptionKeyResponseProto;
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import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.GetDatanodeReportRequestProto;
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import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.GetDatanodeReportResponseProto;
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import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.GetFileInfoRequestProto;
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@ -85,6 +86,8 @@ import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.GetPre
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import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.GetPreferredBlockSizeResponseProto;
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import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.GetServerDefaultsRequestProto;
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import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.GetServerDefaultsResponseProto;
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import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.GetSnapshotDiffReportRequestProto;
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import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.GetSnapshotDiffReportResponseProto;
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import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.GetSnapshottableDirListingRequestProto;
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import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.GetSnapshottableDirListingResponseProto;
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import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.ListCorruptFileBlocksRequestProto;
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@ -170,6 +173,9 @@ public class ClientNamenodeProtocolServerSideTranslatorPB implements
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AllowSnapshotResponseProto.newBuilder().build();
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static final DisallowSnapshotResponseProto VOID_DISALLOW_SNAPSHOT_RESPONSE =
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DisallowSnapshotResponseProto.newBuilder().build();
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static final GetSnapshottableDirListingResponseProto
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NULL_GET_SNAPSHOTTABLE_DIR_LISTING_RESPONSE =
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GetSnapshottableDirListingResponseProto.newBuilder().build();
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private static final CreateResponseProto VOID_CREATE_RESPONSE =
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CreateResponseProto.newBuilder().build();
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@ -940,8 +946,6 @@ public class ClientNamenodeProtocolServerSideTranslatorPB implements
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}
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}
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static final GetSnapshottableDirListingResponseProto NULL_GET_SNAPSHOTTABLE_DIR_LISTING_RESPONSE
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= GetSnapshottableDirListingResponseProto.newBuilder().build();
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@Override
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public GetSnapshottableDirListingResponseProto getSnapshottableDirListing(
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RpcController controller, GetSnapshottableDirListingRequestProto request)
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@ -959,4 +963,19 @@ public class ClientNamenodeProtocolServerSideTranslatorPB implements
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throw new ServiceException(e);
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}
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}
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@Override
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public GetSnapshotDiffReportResponseProto getSnapshotDiffReport(
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RpcController controller, GetSnapshotDiffReportRequestProto request)
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throws ServiceException {
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try {
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SnapshotDiffReport report = server.getSnapshotDiffReport(
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request.getSnapshotRoot(), request.getFromSnapshot(),
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request.getToSnapshot());
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return GetSnapshotDiffReportResponseProto.newBuilder()
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.setDiffReport(PBHelper.convert(report)).build();
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} catch (IOException e) {
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throw new ServiceException(e);
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}
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}
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}
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@ -40,6 +40,7 @@ import org.apache.hadoop.hdfs.protocol.DatanodeID;
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import org.apache.hadoop.hdfs.protocol.DatanodeInfo;
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import org.apache.hadoop.hdfs.protocol.DirectoryListing;
|
||||
import org.apache.hadoop.hdfs.protocol.ExtendedBlock;
|
||||
import org.apache.hadoop.hdfs.protocol.SnapshotDiffReport;
|
||||
import org.apache.hadoop.hdfs.protocol.HdfsConstants.DatanodeReportType;
|
||||
import org.apache.hadoop.hdfs.protocol.HdfsConstants.SafeModeAction;
|
||||
import org.apache.hadoop.hdfs.protocol.HdfsFileStatus;
|
||||
|
|
@ -80,6 +81,8 @@ import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.GetLis
|
|||
import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.GetListingResponseProto;
|
||||
import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.GetPreferredBlockSizeRequestProto;
|
||||
import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.GetServerDefaultsRequestProto;
|
||||
import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.GetSnapshotDiffReportRequestProto;
|
||||
import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.GetSnapshotDiffReportResponseProto;
|
||||
import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.GetSnapshottableDirListingRequestProto;
|
||||
import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.GetSnapshottableDirListingResponseProto;
|
||||
import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.ListCorruptFileBlocksRequestProto;
|
||||
|
|
@ -936,4 +939,20 @@ public class ClientNamenodeProtocolTranslatorPB implements
|
|||
throw ProtobufHelper.getRemoteException(e);
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public SnapshotDiffReport getSnapshotDiffReport(String snapshotRoot,
|
||||
String fromSnapshot, String toSnapshot) throws IOException {
|
||||
GetSnapshotDiffReportRequestProto req = GetSnapshotDiffReportRequestProto
|
||||
.newBuilder().setSnapshotRoot(snapshotRoot)
|
||||
.setFromSnapshot(fromSnapshot).setToSnapshot(toSnapshot).build();
|
||||
try {
|
||||
GetSnapshotDiffReportResponseProto result =
|
||||
rpcProxy.getSnapshotDiffReport(null, req);
|
||||
|
||||
return PBHelper.convert(result.getDiffReport());
|
||||
} catch (ServiceException e) {
|
||||
throw ProtobufHelper.getRemoteException(e);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -30,24 +30,25 @@ import org.apache.hadoop.fs.CreateFlag;
|
|||
import org.apache.hadoop.fs.FsServerDefaults;
|
||||
import org.apache.hadoop.fs.permission.FsPermission;
|
||||
import org.apache.hadoop.ha.HAServiceProtocol.HAServiceState;
|
||||
import org.apache.hadoop.hdfs.server.protocol.StorageReport;
|
||||
import org.apache.hadoop.hdfs.protocol.Block;
|
||||
import org.apache.hadoop.hdfs.protocol.ClientProtocol;
|
||||
import org.apache.hadoop.hdfs.protocol.CorruptFileBlocks;
|
||||
import org.apache.hadoop.hdfs.protocol.DatanodeID;
|
||||
import org.apache.hadoop.hdfs.protocol.DatanodeInfo;
|
||||
import org.apache.hadoop.hdfs.protocol.SnapshotDiffReport;
|
||||
import org.apache.hadoop.hdfs.protocol.DatanodeInfo.AdminStates;
|
||||
import org.apache.hadoop.hdfs.protocol.DirectoryListing;
|
||||
import org.apache.hadoop.hdfs.protocol.ExtendedBlock;
|
||||
import org.apache.hadoop.hdfs.protocol.HdfsConstants.DatanodeReportType;
|
||||
import org.apache.hadoop.hdfs.protocol.HdfsConstants.SafeModeAction;
|
||||
import org.apache.hadoop.hdfs.protocol.SnapshotDiffReport.DiffReportEntry;
|
||||
import org.apache.hadoop.hdfs.protocol.SnapshotDiffReport.DiffType;
|
||||
import org.apache.hadoop.hdfs.protocol.HdfsFileStatus;
|
||||
import org.apache.hadoop.hdfs.protocol.HdfsLocatedFileStatus;
|
||||
import org.apache.hadoop.hdfs.protocol.LocatedBlock;
|
||||
import org.apache.hadoop.hdfs.protocol.LocatedBlocks;
|
||||
import org.apache.hadoop.hdfs.protocol.SnapshottableDirectoryStatus;
|
||||
import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos;
|
||||
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos;
|
||||
import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.CreateFlagProto;
|
||||
import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.DatanodeReportTypeProto;
|
||||
import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.GetFsStatsResponseProto;
|
||||
|
|
@ -65,7 +66,7 @@ import org.apache.hadoop.hdfs.protocol.proto.DatanodeProtocolProtos.NNHAStatusHe
|
|||
import org.apache.hadoop.hdfs.protocol.proto.DatanodeProtocolProtos.ReceivedDeletedBlockInfoProto;
|
||||
import org.apache.hadoop.hdfs.protocol.proto.DatanodeProtocolProtos.RegisterCommandProto;
|
||||
import org.apache.hadoop.hdfs.protocol.proto.DatanodeProtocolProtos.StorageReportProto;
|
||||
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DataEncryptionKeyProto;
|
||||
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos;
|
||||
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.BlockKeyProto;
|
||||
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.BlockProto;
|
||||
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.BlockWithLocationsProto;
|
||||
|
|
@ -74,6 +75,7 @@ import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.CheckpointCommandProto;
|
|||
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.CheckpointSignatureProto;
|
||||
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.ContentSummaryProto;
|
||||
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.CorruptFileBlocksProto;
|
||||
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DataEncryptionKeyProto;
|
||||
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeIDProto;
|
||||
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProto;
|
||||
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProto.AdminState;
|
||||
|
|
@ -90,19 +92,21 @@ import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.LocatedBlockProto.Builde
|
|||
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.LocatedBlocksProto;
|
||||
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.NamenodeCommandProto;
|
||||
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.NamenodeRegistrationProto;
|
||||
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.NamenodeRegistrationProto.NamenodeRoleProto;
|
||||
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.NamespaceInfoProto;
|
||||
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.RecoveringBlockProto;
|
||||
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.RemoteEditLogManifestProto;
|
||||
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.RemoteEditLogProto;
|
||||
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.NamenodeRegistrationProto.NamenodeRoleProto;
|
||||
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.ReplicaStateProto;
|
||||
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.SnapshotDiffReportEntryProto;
|
||||
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.SnapshotDiffReportProto;
|
||||
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.SnapshottableDirectoryListingProto;
|
||||
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.SnapshottableDirectoryStatusProto;
|
||||
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.StorageInfoProto;
|
||||
import org.apache.hadoop.hdfs.protocol.proto.JournalProtocolProtos.JournalInfoProto;
|
||||
import org.apache.hadoop.hdfs.security.token.block.DataEncryptionKey;
|
||||
import org.apache.hadoop.hdfs.security.token.block.BlockKey;
|
||||
import org.apache.hadoop.hdfs.security.token.block.BlockTokenIdentifier;
|
||||
import org.apache.hadoop.hdfs.security.token.block.DataEncryptionKey;
|
||||
import org.apache.hadoop.hdfs.security.token.block.ExportedBlockKeys;
|
||||
import org.apache.hadoop.hdfs.security.token.delegation.DelegationTokenIdentifier;
|
||||
import org.apache.hadoop.hdfs.server.common.HdfsServerConstants.NamenodeRole;
|
||||
|
|
@ -124,15 +128,16 @@ import org.apache.hadoop.hdfs.server.protocol.DatanodeStorage.State;
|
|||
import org.apache.hadoop.hdfs.server.protocol.FinalizeCommand;
|
||||
import org.apache.hadoop.hdfs.server.protocol.JournalInfo;
|
||||
import org.apache.hadoop.hdfs.server.protocol.KeyUpdateCommand;
|
||||
import org.apache.hadoop.hdfs.server.protocol.NNHAStatusHeartbeat;
|
||||
import org.apache.hadoop.hdfs.server.protocol.NamenodeCommand;
|
||||
import org.apache.hadoop.hdfs.server.protocol.NamenodeRegistration;
|
||||
import org.apache.hadoop.hdfs.server.protocol.NamespaceInfo;
|
||||
import org.apache.hadoop.hdfs.server.protocol.NNHAStatusHeartbeat;
|
||||
import org.apache.hadoop.hdfs.server.protocol.ReceivedDeletedBlockInfo;
|
||||
import org.apache.hadoop.hdfs.server.protocol.ReceivedDeletedBlockInfo.BlockStatus;
|
||||
import org.apache.hadoop.hdfs.server.protocol.RegisterCommand;
|
||||
import org.apache.hadoop.hdfs.server.protocol.RemoteEditLog;
|
||||
import org.apache.hadoop.hdfs.server.protocol.RemoteEditLogManifest;
|
||||
import org.apache.hadoop.hdfs.server.protocol.StorageReport;
|
||||
import org.apache.hadoop.hdfs.util.ExactSizeInputStream;
|
||||
import org.apache.hadoop.io.EnumSetWritable;
|
||||
import org.apache.hadoop.io.Text;
|
||||
|
|
@ -1373,8 +1378,7 @@ public class PBHelper {
|
|||
SnapshottableDirectoryStatus[] result =
|
||||
new SnapshottableDirectoryStatus[list.size()];
|
||||
for (int i = 0; i < list.size(); i++) {
|
||||
result[i] = (SnapshottableDirectoryStatus) PBHelper
|
||||
.convert(list.get(i));
|
||||
result[i] = PBHelper.convert(list.get(i));
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
|
@ -1394,6 +1398,69 @@ public class PBHelper {
|
|||
.addAllSnapshottableDirListing(protoList).build();
|
||||
}
|
||||
|
||||
public static DiffReportEntry convert(SnapshotDiffReportEntryProto entry) {
|
||||
if (entry == null) {
|
||||
return null;
|
||||
}
|
||||
DiffType type = DiffType.getTypeFromLabel(entry
|
||||
.getModificationLabel());
|
||||
return type != null ? new DiffReportEntry(type, entry.getFullpath())
|
||||
: null;
|
||||
}
|
||||
|
||||
public static SnapshotDiffReportEntryProto convert(DiffReportEntry entry) {
|
||||
if (entry == null) {
|
||||
return null;
|
||||
}
|
||||
String fullPath = entry.getFullPath();
|
||||
String modification = entry.getType().getLabel();
|
||||
|
||||
SnapshotDiffReportEntryProto entryProto = SnapshotDiffReportEntryProto
|
||||
.newBuilder().setFullpath(fullPath).setModificationLabel(modification)
|
||||
.build();
|
||||
return entryProto;
|
||||
}
|
||||
|
||||
public static SnapshotDiffReport convert(SnapshotDiffReportProto reportProto) {
|
||||
if (reportProto == null) {
|
||||
return null;
|
||||
}
|
||||
String snapshotDir = reportProto.getSnapshotRoot();
|
||||
String fromSnapshot = reportProto.getFromSnapshot();
|
||||
String toSnapshot = reportProto.getToSnapshot();
|
||||
List<SnapshotDiffReportEntryProto> list = reportProto
|
||||
.getDiffReportEntriesList();
|
||||
List<DiffReportEntry> entries = new ArrayList<DiffReportEntry>();
|
||||
for (SnapshotDiffReportEntryProto entryProto : list) {
|
||||
DiffReportEntry entry = convert(entryProto);
|
||||
if (entry != null)
|
||||
entries.add(entry);
|
||||
}
|
||||
return new SnapshotDiffReport(snapshotDir, fromSnapshot, toSnapshot,
|
||||
entries);
|
||||
}
|
||||
|
||||
public static SnapshotDiffReportProto convert(SnapshotDiffReport report) {
|
||||
if (report == null) {
|
||||
return null;
|
||||
}
|
||||
List<DiffReportEntry> entries = report.getDiffList();
|
||||
List<SnapshotDiffReportEntryProto> entryProtos =
|
||||
new ArrayList<SnapshotDiffReportEntryProto>();
|
||||
for (DiffReportEntry entry : entries) {
|
||||
SnapshotDiffReportEntryProto entryProto = convert(entry);
|
||||
if (entryProto != null)
|
||||
entryProtos.add(entryProto);
|
||||
}
|
||||
|
||||
SnapshotDiffReportProto reportProto = SnapshotDiffReportProto.newBuilder()
|
||||
.setSnapshotRoot(report.getSnapshotRoot())
|
||||
.setFromSnapshot(report.getFromSnapshot())
|
||||
.setToSnapshot(report.getLaterSnapshotName())
|
||||
.addAllDiffReportEntries(entryProtos).build();
|
||||
return reportProto;
|
||||
}
|
||||
|
||||
public static DataChecksum.Type convert(HdfsProtos.ChecksumTypeProto type) {
|
||||
return DataChecksum.Type.valueOf(type.getNumber());
|
||||
}
|
||||
|
|
|
|||
|
|
@ -138,8 +138,10 @@ import org.apache.hadoop.hdfs.protocol.DatanodeInfo;
|
|||
import org.apache.hadoop.hdfs.protocol.DirectoryListing;
|
||||
import org.apache.hadoop.hdfs.protocol.ExtendedBlock;
|
||||
import org.apache.hadoop.hdfs.protocol.HdfsConstants;
|
||||
import org.apache.hadoop.hdfs.protocol.SnapshotDiffReport;
|
||||
import org.apache.hadoop.hdfs.protocol.HdfsConstants.DatanodeReportType;
|
||||
import org.apache.hadoop.hdfs.protocol.HdfsConstants.SafeModeAction;
|
||||
import org.apache.hadoop.hdfs.protocol.SnapshotDiffReport.DiffReportEntry;
|
||||
import org.apache.hadoop.hdfs.protocol.HdfsFileStatus;
|
||||
import org.apache.hadoop.hdfs.protocol.LocatedBlock;
|
||||
import org.apache.hadoop.hdfs.protocol.LocatedBlocks;
|
||||
|
|
@ -178,7 +180,7 @@ import org.apache.hadoop.hdfs.server.namenode.ha.StandbyCheckpointer;
|
|||
import org.apache.hadoop.hdfs.server.namenode.metrics.FSNamesystemMBean;
|
||||
import org.apache.hadoop.hdfs.server.namenode.metrics.NameNodeMetrics;
|
||||
import org.apache.hadoop.hdfs.server.namenode.snapshot.INodeDirectorySnapshottable;
|
||||
import org.apache.hadoop.hdfs.server.namenode.snapshot.INodeDirectorySnapshottable.SnapshotDiffReport;
|
||||
import org.apache.hadoop.hdfs.server.namenode.snapshot.INodeDirectorySnapshottable.SnapshotDiffInfo;
|
||||
import org.apache.hadoop.hdfs.server.namenode.snapshot.INodeFileUnderConstructionWithSnapshot;
|
||||
import org.apache.hadoop.hdfs.server.namenode.snapshot.INodeFileWithSnapshot;
|
||||
import org.apache.hadoop.hdfs.server.namenode.snapshot.Snapshot;
|
||||
|
|
@ -5819,7 +5821,7 @@ public class FSNamesystem implements Namesystem, FSClusterStats,
|
|||
}
|
||||
|
||||
/**
|
||||
* Compute the difference between two snapshots (or between a snapshot and the
|
||||
* Get the difference between two snapshots (or between a snapshot and the
|
||||
* current status) of a snapshottable directory.
|
||||
*
|
||||
* @param path The full path of the snapshottable directory.
|
||||
|
|
@ -5827,13 +5829,15 @@ public class FSNamesystem implements Namesystem, FSClusterStats,
|
|||
* or empty string indicates the current tree.
|
||||
* @param toSnapshot Name of the snapshot to calculated the diff to. Null or
|
||||
* empty string indicates the current tree.
|
||||
* @return The difference between {@code fromSnapshot} and {@code toSnapshot},
|
||||
* i.e., applying difference to source will get target.
|
||||
* @return A report about the difference between {@code fromSnapshot} and
|
||||
* {@code toSnapshot}. Modified/deleted/created/renamed files and
|
||||
* directories belonging to the snapshottable directories are listed
|
||||
* and labeled as M/-/+/R respectively.
|
||||
* @throws IOException
|
||||
*/
|
||||
public SnapshotDiffReport getSnapshotDiffReport(String path,
|
||||
String fromSnapshot, String toSnapshot) throws IOException {
|
||||
SnapshotDiffReport diffs = null;
|
||||
SnapshotDiffInfo diffs = null;
|
||||
readLock();
|
||||
try {
|
||||
checkOperation(OperationCategory.READ);
|
||||
|
|
@ -5846,7 +5850,9 @@ public class FSNamesystem implements Namesystem, FSClusterStats,
|
|||
logAuditEvent(UserGroupInformation.getCurrentUser(), getRemoteIp(),
|
||||
"computeSnapshotDiff", null, null, null);
|
||||
}
|
||||
return diffs;
|
||||
return diffs != null ? diffs.generateReport() : new SnapshotDiffReport(
|
||||
path, fromSnapshot, toSnapshot,
|
||||
Collections.<DiffReportEntry> emptyList());
|
||||
}
|
||||
|
||||
/**
|
||||
|
|
|
|||
|
|
@ -57,6 +57,7 @@ import org.apache.hadoop.hdfs.protocol.DatanodeInfo;
|
|||
import org.apache.hadoop.hdfs.protocol.DirectoryListing;
|
||||
import org.apache.hadoop.hdfs.protocol.ExtendedBlock;
|
||||
import org.apache.hadoop.hdfs.protocol.HdfsConstants;
|
||||
import org.apache.hadoop.hdfs.protocol.SnapshotDiffReport;
|
||||
import org.apache.hadoop.hdfs.protocol.HdfsConstants.DatanodeReportType;
|
||||
import org.apache.hadoop.hdfs.protocol.HdfsConstants.SafeModeAction;
|
||||
import org.apache.hadoop.hdfs.protocol.HdfsFileStatus;
|
||||
|
|
@ -1143,4 +1144,13 @@ class NameNodeRpcServer implements NamenodeProtocols {
|
|||
metrics.incrListSnapshottableDirOps();
|
||||
return status;
|
||||
}
|
||||
|
||||
@Override
|
||||
public SnapshotDiffReport getSnapshotDiffReport(String snapshotRoot,
|
||||
String earlierSnapshotName, String laterSnapshotName) throws IOException {
|
||||
SnapshotDiffReport report = namesystem.getSnapshotDiffReport(snapshotRoot,
|
||||
earlierSnapshotName, laterSnapshotName);
|
||||
metrics.incrSnapshotDiffReportOps();
|
||||
return report;
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -69,6 +69,8 @@ public class NameNodeMetrics {
|
|||
MutableCounterLong renameSnapshotOps;
|
||||
@Metric("Number of listSnapshottableDirectory operations")
|
||||
MutableCounterLong listSnapshottableDirOps;
|
||||
@Metric("Number of snapshotDiffReport operations")
|
||||
MutableCounterLong snapshotDiffReportOps;
|
||||
|
||||
@Metric("Journal transactions") MutableRate transactions;
|
||||
@Metric("Journal syncs") MutableRate syncs;
|
||||
|
|
@ -195,6 +197,10 @@ public class NameNodeMetrics {
|
|||
listSnapshottableDirOps.incr();
|
||||
}
|
||||
|
||||
public void incrSnapshotDiffReportOps() {
|
||||
snapshotDiffReportOps.incr();
|
||||
}
|
||||
|
||||
public void addTransaction(long latency) {
|
||||
transactions.add(latency);
|
||||
}
|
||||
|
|
|
|||
|
|
@ -70,6 +70,10 @@ abstract class AbstractINodeDiffList<N extends INode,
|
|||
if (snapshotIndex > 0) {
|
||||
// combine the to-be-removed diff with its previous diff
|
||||
final AbstractINodeDiff<N, D> previous = diffs.get(snapshotIndex - 1);
|
||||
if (previous.snapshotINode == null) {
|
||||
// TODO: add a new testcase for this
|
||||
previous.snapshotINode = removed.snapshotINode;
|
||||
}
|
||||
previous.combinePosteriorAndCollectBlocks(removed, collectedBlocks);
|
||||
previous.setPosterior(removed.getPosterior());
|
||||
}
|
||||
|
|
|
|||
|
|
@ -31,6 +31,9 @@ import java.util.TreeMap;
|
|||
import org.apache.hadoop.HadoopIllegalArgumentException;
|
||||
import org.apache.hadoop.classification.InterfaceAudience;
|
||||
import org.apache.hadoop.hdfs.DFSUtil;
|
||||
import org.apache.hadoop.hdfs.protocol.SnapshotDiffReport;
|
||||
import org.apache.hadoop.hdfs.protocol.SnapshotDiffReport.DiffReportEntry;
|
||||
import org.apache.hadoop.hdfs.protocol.SnapshotDiffReport.DiffType;
|
||||
import org.apache.hadoop.hdfs.server.namenode.INode;
|
||||
import org.apache.hadoop.hdfs.server.namenode.INodeDirectory;
|
||||
import org.apache.hadoop.hdfs.server.namenode.snapshot.diff.Diff;
|
||||
|
|
@ -65,7 +68,7 @@ public class INodeDirectorySnapshottable extends INodeDirectoryWithSnapshot {
|
|||
* A class describing the difference between snapshots of a snapshottable
|
||||
* directory.
|
||||
*/
|
||||
public static class SnapshotDiffReport {
|
||||
public static class SnapshotDiffInfo {
|
||||
public static final Comparator<INode> INODE_COMPARATOR =
|
||||
new Comparator<INode>() {
|
||||
@Override
|
||||
|
|
@ -92,7 +95,7 @@ public class INodeDirectorySnapshottable extends INodeDirectoryWithSnapshot {
|
|||
*/
|
||||
private final SortedMap<INodeDirectoryWithSnapshot, ChildrenDiff> diffMap;
|
||||
|
||||
public SnapshotDiffReport(INodeDirectorySnapshottable snapshotRoot,
|
||||
public SnapshotDiffInfo(INodeDirectorySnapshottable snapshotRoot,
|
||||
Snapshot start, Snapshot end) {
|
||||
this.snapshotRoot = snapshotRoot;
|
||||
this.from = start;
|
||||
|
|
@ -107,27 +110,36 @@ public class INodeDirectorySnapshottable extends INodeDirectoryWithSnapshot {
|
|||
}
|
||||
|
||||
/**
|
||||
* dump the diff
|
||||
* Get the name of the given snapshot.
|
||||
* @param s The given snapshot.
|
||||
* @return The name of the snapshot, or an empty string if {@code s} is null
|
||||
*/
|
||||
public String dump() {
|
||||
StringBuilder strBuffer = new StringBuilder();
|
||||
String fromStr = from == null ? "current directory" : "snapshot "
|
||||
+ from.getRoot().getLocalName();
|
||||
String toStr = to == null ? "current directory" : "snapshot "
|
||||
+ to.getRoot().getLocalName();
|
||||
strBuffer.append("Diffence between snapshot " + fromStr + " and " + toStr
|
||||
+ " under directory " + snapshotRoot.getFullPathName() + ":\n");
|
||||
private static String getSnapshotName(Snapshot s) {
|
||||
return s != null ? s.getRoot().getLocalName() : "";
|
||||
}
|
||||
|
||||
if (!diffMap.isEmpty()) {
|
||||
/** @return True if {@link #from} is earlier than {@link #to} */
|
||||
private boolean isFromEarlier() {
|
||||
return to == null
|
||||
|| (from != null && Snapshot.ID_COMPARATOR.compare(from, to) < 0);
|
||||
}
|
||||
|
||||
/**
|
||||
* Generate a {@link SnapshotDiffReport} based on detailed diff information.
|
||||
* @return A {@link SnapshotDiffReport} describing the difference
|
||||
*/
|
||||
public SnapshotDiffReport generateReport() {
|
||||
List<DiffReportEntry> diffList = new ArrayList<DiffReportEntry>();
|
||||
for (Map.Entry<INodeDirectoryWithSnapshot, ChildrenDiff> entry : diffMap
|
||||
.entrySet()) {
|
||||
strBuffer.append("M\t" + entry.getKey().getFullPathName() + "\n");
|
||||
entry.getValue().printDiff(strBuffer, entry.getKey(),
|
||||
from == null ||
|
||||
(to != null && Snapshot.ID_COMPARATOR.compare(from, to) > 0));
|
||||
diffList.add(new DiffReportEntry(DiffType.MODIFY, entry.getKey()
|
||||
.getFullPathName()));
|
||||
List<DiffReportEntry> subList = entry.getValue().generateReport(
|
||||
entry.getKey(), isFromEarlier());
|
||||
diffList.addAll(subList);
|
||||
}
|
||||
}
|
||||
return strBuffer.toString();
|
||||
return new SnapshotDiffReport(snapshotRoot.getFullPathName(),
|
||||
getSnapshotName(from), getSnapshotName(to), diffList);
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -297,11 +309,11 @@ public class INodeDirectorySnapshottable extends INodeDirectoryWithSnapshot {
|
|||
* point, or if endSnapshotName is not null but cannot be identified
|
||||
* as a previous snapshot.
|
||||
*/
|
||||
SnapshotDiffReport computeDiff(final String from, final String to)
|
||||
SnapshotDiffInfo computeDiff(final String from, final String to)
|
||||
throws SnapshotException {
|
||||
Snapshot fromSnapshot = getSnapshotByName(from);
|
||||
Snapshot toSnapshot = getSnapshotByName(to);
|
||||
SnapshotDiffReport diffs = new SnapshotDiffReport(this, fromSnapshot,
|
||||
SnapshotDiffInfo diffs = new SnapshotDiffInfo(this, fromSnapshot,
|
||||
toSnapshot);
|
||||
computeDiffInDir(this, diffs);
|
||||
return diffs;
|
||||
|
|
@ -336,7 +348,7 @@ public class INodeDirectorySnapshottable extends INodeDirectoryWithSnapshot {
|
|||
* @param diffReport data structure used to store the diff.
|
||||
*/
|
||||
private void computeDiffInDir(INodeDirectory dir,
|
||||
SnapshotDiffReport diffReport) {
|
||||
SnapshotDiffInfo diffReport) {
|
||||
ChildrenDiff diff = new ChildrenDiff();
|
||||
if (dir instanceof INodeDirectoryWithSnapshot) {
|
||||
boolean change = ((INodeDirectoryWithSnapshot) dir)
|
||||
|
|
|
|||
|
|
@ -28,6 +28,8 @@ import java.util.Map;
|
|||
import org.apache.hadoop.fs.Path;
|
||||
import org.apache.hadoop.fs.permission.FsPermission;
|
||||
import org.apache.hadoop.hdfs.DFSUtil;
|
||||
import org.apache.hadoop.hdfs.protocol.SnapshotDiffReport.DiffReportEntry;
|
||||
import org.apache.hadoop.hdfs.protocol.SnapshotDiffReport.DiffType;
|
||||
import org.apache.hadoop.hdfs.server.namenode.FSImageSerialization;
|
||||
import org.apache.hadoop.hdfs.server.namenode.INode;
|
||||
import org.apache.hadoop.hdfs.server.namenode.INodeDirectory;
|
||||
|
|
@ -119,56 +121,53 @@ public class INodeDirectoryWithSnapshot extends INodeDirectoryWithQuota {
|
|||
}
|
||||
|
||||
/**
|
||||
* Print out the content of the Diff. In general, "M"/"+"/"-" are used to
|
||||
* represent files/directories that were modified, created, and deleted,
|
||||
* respectively.
|
||||
*
|
||||
* @param str A StringBuilder used to storing the description of the Diff.
|
||||
* @param parent The directory that the Diff is about. Used to get the full
|
||||
* path of the INodes contained in the Diff.
|
||||
* Interpret the diff and generate a list of {@link DiffReportEntry}.
|
||||
* @param parent The directory that the diff belongs to.
|
||||
* @param fromEarlier True indicates {@code diff=later-earlier},
|
||||
* False indicates {@code diff=earlier-later}
|
||||
* @return A list of {@link DiffReportEntry} as the diff report.
|
||||
*/
|
||||
public void printDiff(StringBuilder str, INodeDirectoryWithSnapshot parent,
|
||||
boolean reverse) {
|
||||
final String mStr = "M\t";
|
||||
final String cStr = reverse ? "-\t" : "+\t";
|
||||
final String dStr = reverse ? "+\t" : "-\t";
|
||||
StringBuilder cBuffer = new StringBuilder();
|
||||
StringBuilder dBuffer = new StringBuilder();
|
||||
StringBuilder mBuffer = new StringBuilder();
|
||||
int c = 0;
|
||||
int d = 0;
|
||||
public List<DiffReportEntry> generateReport(
|
||||
INodeDirectoryWithSnapshot parent, boolean fromEarlier) {
|
||||
List<DiffReportEntry> mList = new ArrayList<DiffReportEntry>();
|
||||
List<DiffReportEntry> cList = new ArrayList<DiffReportEntry>();
|
||||
List<DiffReportEntry> dList = new ArrayList<DiffReportEntry>();
|
||||
int c = 0, d = 0;
|
||||
List<INode> created = getCreatedList();
|
||||
List<INode> deleted = getDeletedList();
|
||||
for (; c < created.size() && d < deleted.size(); ) {
|
||||
INode cnode = created.get(c);
|
||||
INode dnode = deleted.get(d);
|
||||
if (cnode.equals(dnode)) {
|
||||
mBuffer.append(mStr + parent.getFullPathName() + Path.SEPARATOR
|
||||
+ cnode.getLocalName() + "\n");
|
||||
mList.add(new DiffReportEntry(DiffType.MODIFY, parent
|
||||
.getFullPathName() + Path.SEPARATOR + cnode.getLocalName()));
|
||||
c++;
|
||||
d++;
|
||||
} else if (cnode.compareTo(dnode.getLocalNameBytes()) < 0) {
|
||||
cBuffer.append(cStr + parent.getFullPathName() + Path.SEPARATOR
|
||||
+ cnode.getLocalName() + "\n");
|
||||
cList.add(new DiffReportEntry(fromEarlier ? DiffType.CREATE
|
||||
: DiffType.DELETE, parent.getFullPathName() + Path.SEPARATOR
|
||||
+ cnode.getLocalName()));
|
||||
c++;
|
||||
} else {
|
||||
dBuffer.append(dStr + parent.getFullPathName() + Path.SEPARATOR
|
||||
+ dnode.getLocalName() + "\n");
|
||||
dList.add(new DiffReportEntry(fromEarlier ? DiffType.DELETE
|
||||
: DiffType.CREATE, parent.getFullPathName() + Path.SEPARATOR
|
||||
+ dnode.getLocalName()));
|
||||
d++;
|
||||
}
|
||||
}
|
||||
for (; d < deleted.size(); d++) {
|
||||
dBuffer.append(dStr + parent.getFullPathName() + Path.SEPARATOR
|
||||
+ deleted.get(d).getLocalName() + "\n");
|
||||
dList.add(new DiffReportEntry(fromEarlier ? DiffType.DELETE
|
||||
: DiffType.CREATE, parent.getFullPathName() + Path.SEPARATOR
|
||||
+ deleted.get(d).getLocalName()));
|
||||
}
|
||||
for (; c < created.size(); c++) {
|
||||
cBuffer.append(cStr + parent.getFullPathName() + Path.SEPARATOR
|
||||
+ created.get(c).getLocalName() + "\n");
|
||||
cList.add(new DiffReportEntry(fromEarlier ? DiffType.CREATE
|
||||
: DiffType.DELETE, parent.getFullPathName() + Path.SEPARATOR
|
||||
+ created.get(c).getLocalName()));
|
||||
}
|
||||
|
||||
str.append(cBuffer);
|
||||
str.append(dBuffer);
|
||||
str.append(mBuffer);
|
||||
cList.addAll(dList);
|
||||
cList.addAll(mList);
|
||||
return cList;
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -322,7 +321,8 @@ public class INodeDirectoryWithSnapshot extends INodeDirectoryWithQuota {
|
|||
}
|
||||
|
||||
/** A list of directory diffs. */
|
||||
class DirectoryDiffList extends AbstractINodeDiffList<INodeDirectory, DirectoryDiff> {
|
||||
class DirectoryDiffList extends
|
||||
AbstractINodeDiffList<INodeDirectory, DirectoryDiff> {
|
||||
@Override
|
||||
INodeDirectoryWithSnapshot getCurrentINode() {
|
||||
return INodeDirectoryWithSnapshot.this;
|
||||
|
|
|
|||
|
|
@ -32,7 +32,7 @@ import org.apache.hadoop.hdfs.server.namenode.INode;
|
|||
import org.apache.hadoop.hdfs.server.namenode.INode.BlocksMapUpdateInfo;
|
||||
import org.apache.hadoop.hdfs.server.namenode.INodeDirectory;
|
||||
import org.apache.hadoop.hdfs.server.namenode.INodeDirectory.INodesInPath;
|
||||
import org.apache.hadoop.hdfs.server.namenode.snapshot.INodeDirectorySnapshottable.SnapshotDiffReport;
|
||||
import org.apache.hadoop.hdfs.server.namenode.snapshot.INodeDirectorySnapshottable.SnapshotDiffInfo;
|
||||
|
||||
/**
|
||||
* Manage snapshottable directories and their snapshots.
|
||||
|
|
@ -249,7 +249,7 @@ public class SnapshotManager implements SnapshotStats {
|
|||
* Compute the difference between two snapshots of a directory, or between a
|
||||
* snapshot of the directory and its current tree.
|
||||
*/
|
||||
public SnapshotDiffReport diff(final String path, final String from,
|
||||
public SnapshotDiffInfo diff(final String path, final String from,
|
||||
final String to) throws IOException {
|
||||
if ((from == null || from.isEmpty())
|
||||
&& (to == null || to.isEmpty())) {
|
||||
|
|
|
|||
|
|
@ -215,6 +215,15 @@ message GetSnapshottableDirListingResponseProto {
|
|||
optional SnapshottableDirectoryListingProto snapshottableDirList = 1;
|
||||
}
|
||||
|
||||
message GetSnapshotDiffReportRequestProto {
|
||||
required string snapshotRoot = 1;
|
||||
required string fromSnapshot = 2;
|
||||
required string toSnapshot = 3;
|
||||
}
|
||||
message GetSnapshotDiffReportResponseProto {
|
||||
required SnapshotDiffReportProto diffReport = 1;
|
||||
}
|
||||
|
||||
message RenewLeaseRequestProto {
|
||||
required string clientName = 1;
|
||||
}
|
||||
|
|
@ -553,4 +562,6 @@ service ClientNamenodeProtocol {
|
|||
returns(GetSnapshottableDirListingResponseProto);
|
||||
rpc deleteSnapshot(DeleteSnapshotRequestProto)
|
||||
returns(DeleteSnapshotResponseProto);
|
||||
rpc getSnapshotDiffReport(GetSnapshotDiffReportRequestProto)
|
||||
returns(GetSnapshotDiffReportResponseProto);
|
||||
}
|
||||
|
|
|
|||
|
|
@ -227,6 +227,25 @@ message SnapshottableDirectoryListingProto {
|
|||
repeated SnapshottableDirectoryStatusProto snapshottableDirListing = 1;
|
||||
}
|
||||
|
||||
/**
|
||||
* Snapshot diff report entry
|
||||
*/
|
||||
message SnapshotDiffReportEntryProto {
|
||||
required string fullpath = 1;
|
||||
required string modificationLabel = 2;
|
||||
}
|
||||
|
||||
/**
|
||||
* Snapshot diff report
|
||||
*/
|
||||
message SnapshotDiffReportProto {
|
||||
// full path of the directory where snapshots were taken
|
||||
required string snapshotRoot = 1;
|
||||
required string fromSnapshot = 2;
|
||||
required string toSnapshot = 3;
|
||||
repeated SnapshotDiffReportEntryProto diffReportEntries = 4;
|
||||
}
|
||||
|
||||
/**
|
||||
* Common node information shared by all the nodes in the cluster
|
||||
*/
|
||||
|
|
|
|||
|
|
@ -27,6 +27,7 @@ import org.apache.hadoop.fs.Path;
|
|||
import org.apache.hadoop.hdfs.DFSTestUtil;
|
||||
import org.apache.hadoop.hdfs.DistributedFileSystem;
|
||||
import org.apache.hadoop.hdfs.MiniDFSCluster;
|
||||
import org.apache.hadoop.hdfs.protocol.HdfsConstants;
|
||||
import org.apache.hadoop.hdfs.server.namenode.FSNamesystem;
|
||||
import org.apache.hadoop.hdfs.server.namenode.INodeFile;
|
||||
import org.apache.hadoop.ipc.RemoteException;
|
||||
|
|
@ -312,4 +313,39 @@ public class TestSnapshotDeletion {
|
|||
assertEquals(REPLICATION - 1, blockReplicationFile12);
|
||||
}
|
||||
|
||||
/** Test deleting snapshots with modification on the metadata of directory */
|
||||
@Test
|
||||
public void testDeleteSnapshotWithDirModification() throws Exception {
|
||||
Path file = new Path(sub1, "file");
|
||||
DFSTestUtil.createFile(hdfs, file, BLOCKSIZE, REPLICATION, seed);
|
||||
hdfs.setOwner(sub1, "user1", "group1");
|
||||
|
||||
// create snapshot s1 for sub1, and change the metadata of sub1
|
||||
SnapshotTestHelper.createSnapshot(hdfs, sub1, "s1");
|
||||
hdfs.setOwner(sub1, "user2", "group2");
|
||||
|
||||
// create snapshot s2 for sub1, but do not modify sub1 afterwards
|
||||
hdfs.createSnapshot(sub1, "s2");
|
||||
|
||||
// create snapshot s3 for sub1, and change the metadata of sub1
|
||||
hdfs.createSnapshot(sub1, "s3");
|
||||
hdfs.setOwner(sub1, "user3", "group3");
|
||||
|
||||
// delete snapshot s3
|
||||
hdfs.deleteSnapshot(sub1, "s3");
|
||||
// check sub1's metadata in snapshot s2
|
||||
FileStatus statusOfS2 = hdfs.getFileStatus(new Path(sub1,
|
||||
HdfsConstants.DOT_SNAPSHOT_DIR + "/s2"));
|
||||
assertEquals("user2", statusOfS2.getOwner());
|
||||
assertEquals("group2", statusOfS2.getGroup());
|
||||
|
||||
// delete snapshot s2
|
||||
hdfs.deleteSnapshot(sub1, "s2");
|
||||
// check sub1's metadata in snapshot s1
|
||||
FileStatus statusOfS1 = hdfs.getFileStatus(new Path(sub1,
|
||||
HdfsConstants.DOT_SNAPSHOT_DIR + "/s1"));
|
||||
assertEquals("user1", statusOfS1.getOwner());
|
||||
assertEquals("group1", statusOfS1.getGroup());
|
||||
}
|
||||
|
||||
}
|
||||
|
|
|
|||
|
|
@ -17,16 +17,22 @@
|
|||
*/
|
||||
package org.apache.hadoop.hdfs.server.namenode.snapshot;
|
||||
|
||||
import static org.junit.Assert.assertFalse;
|
||||
import static org.junit.Assert.assertEquals;
|
||||
import static org.junit.Assert.assertTrue;
|
||||
import static org.junit.Assert.fail;
|
||||
|
||||
import java.io.IOException;
|
||||
import java.util.HashMap;
|
||||
|
||||
import org.apache.hadoop.conf.Configuration;
|
||||
import org.apache.hadoop.fs.Path;
|
||||
import org.apache.hadoop.hdfs.DFSTestUtil;
|
||||
import org.apache.hadoop.hdfs.DistributedFileSystem;
|
||||
import org.apache.hadoop.hdfs.MiniDFSCluster;
|
||||
import org.apache.hadoop.hdfs.server.namenode.FSNamesystem;
|
||||
import org.apache.hadoop.hdfs.server.namenode.snapshot.INodeDirectorySnapshottable.SnapshotDiffReport;
|
||||
import org.apache.hadoop.hdfs.protocol.SnapshotDiffReport;
|
||||
import org.apache.hadoop.hdfs.protocol.SnapshotDiffReport.DiffReportEntry;
|
||||
import org.apache.hadoop.hdfs.protocol.SnapshotDiffReport.DiffType;
|
||||
import org.apache.hadoop.test.GenericTestUtils;
|
||||
import org.junit.After;
|
||||
import org.junit.Before;
|
||||
import org.junit.Test;
|
||||
|
|
@ -45,10 +51,9 @@ public class TestSnapshotDiffReport {
|
|||
|
||||
protected Configuration conf;
|
||||
protected MiniDFSCluster cluster;
|
||||
protected FSNamesystem fsn;
|
||||
protected DistributedFileSystem hdfs;
|
||||
|
||||
private int snapshotNum = 0;
|
||||
private HashMap<Path, Integer> snapshotNumberMap = new HashMap<Path, Integer>();
|
||||
|
||||
@Before
|
||||
public void setUp() throws Exception {
|
||||
|
|
@ -56,8 +61,6 @@ public class TestSnapshotDiffReport {
|
|||
cluster = new MiniDFSCluster.Builder(conf).numDataNodes(REPLICATION)
|
||||
.format(true).build();
|
||||
cluster.waitActive();
|
||||
|
||||
fsn = cluster.getNamesystem();
|
||||
hdfs = cluster.getFileSystem();
|
||||
}
|
||||
|
||||
|
|
@ -68,10 +71,20 @@ public class TestSnapshotDiffReport {
|
|||
}
|
||||
}
|
||||
|
||||
private String genSnapshotName(Path snapshotDir) {
|
||||
int sNum = -1;
|
||||
if (snapshotNumberMap.containsKey(snapshotDir)) {
|
||||
sNum = snapshotNumberMap.get(snapshotDir);
|
||||
}
|
||||
snapshotNumberMap.put(snapshotDir, ++sNum);
|
||||
return "s" + sNum;
|
||||
}
|
||||
|
||||
/**
|
||||
* Create/modify/delete files and create snapshots under a given directory.
|
||||
* Create/modify/delete files under a given directory, also create snapshots
|
||||
* of directories.
|
||||
*/
|
||||
private void modifyAndCreateSnapshot(Path modifyDir, Path snapshotDir)
|
||||
private void modifyAndCreateSnapshot(Path modifyDir, Path[] snapshotDirs)
|
||||
throws Exception {
|
||||
Path file10 = new Path(modifyDir, "file10");
|
||||
Path file11 = new Path(modifyDir, "file11");
|
||||
|
|
@ -87,9 +100,11 @@ public class TestSnapshotDiffReport {
|
|||
seed);
|
||||
DFSTestUtil.createFile(hdfs, file13, BLOCKSIZE, (short) (REPLICATION - 1),
|
||||
seed);
|
||||
// create snapshot s1
|
||||
// create snapshot
|
||||
for (Path snapshotDir : snapshotDirs) {
|
||||
hdfs.allowSnapshot(snapshotDir.toString());
|
||||
hdfs.createSnapshot(snapshotDir, "s" + snapshotNum++);
|
||||
hdfs.createSnapshot(snapshotDir, genSnapshotName(snapshotDir));
|
||||
}
|
||||
|
||||
// delete file11
|
||||
hdfs.delete(file11, true);
|
||||
|
|
@ -102,8 +117,10 @@ public class TestSnapshotDiffReport {
|
|||
// create file15
|
||||
DFSTestUtil.createFile(hdfs, file15, BLOCKSIZE, REPLICATION, seed);
|
||||
|
||||
// create snapshot s2
|
||||
hdfs.createSnapshot(snapshotDir, "s" + snapshotNum++);
|
||||
// create snapshot
|
||||
for (Path snapshotDir : snapshotDirs) {
|
||||
hdfs.createSnapshot(snapshotDir, genSnapshotName(snapshotDir));
|
||||
}
|
||||
|
||||
// create file11 again
|
||||
DFSTestUtil.createFile(hdfs, file11, BLOCKSIZE, REPLICATION, seed);
|
||||
|
|
@ -116,83 +133,125 @@ public class TestSnapshotDiffReport {
|
|||
// modify file15
|
||||
hdfs.setReplication(file15, (short) (REPLICATION - 1));
|
||||
|
||||
// create snapshot s3 for dir
|
||||
hdfs.createSnapshot(snapshotDir, "s" + snapshotNum++);
|
||||
// create snapshot
|
||||
for (Path snapshotDir : snapshotDirs) {
|
||||
hdfs.createSnapshot(snapshotDir, genSnapshotName(snapshotDir));
|
||||
}
|
||||
// modify file10
|
||||
hdfs.setReplication(file10, (short) (REPLICATION - 1));
|
||||
}
|
||||
|
||||
/**
|
||||
* Test the functionality of
|
||||
* {@link FSNamesystem#getSnapshotDiffReport(String, String, String)}.
|
||||
* TODO: without the definision of a DiffReport class, this test temporarily
|
||||
* check the output string of {@link SnapshotDiffReport#dump()}
|
||||
*/
|
||||
/** check the correctness of the diff reports */
|
||||
private void verifyDiffReport(Path dir, String from, String to,
|
||||
DiffReportEntry... entries) throws IOException {
|
||||
SnapshotDiffReport report = hdfs.getSnapshotDiffReport(dir, from, to);
|
||||
// reverse the order of from and to
|
||||
SnapshotDiffReport inverseReport = hdfs
|
||||
.getSnapshotDiffReport(dir, to, from);
|
||||
System.out.println(report.toString());
|
||||
System.out.println(inverseReport.toString() + "\n");
|
||||
|
||||
assertEquals(entries.length, report.getDiffList().size());
|
||||
assertEquals(entries.length, inverseReport.getDiffList().size());
|
||||
|
||||
for (DiffReportEntry entry : entries) {
|
||||
if (entry.getType() == DiffType.MODIFY) {
|
||||
assertTrue(report.getDiffList().contains(entry));
|
||||
assertTrue(inverseReport.getDiffList().contains(entry));
|
||||
} else if (entry.getType() == DiffType.DELETE) {
|
||||
assertTrue(report.getDiffList().contains(entry));
|
||||
assertTrue(inverseReport.getDiffList().contains(
|
||||
new DiffReportEntry(DiffType.CREATE, entry.getFullPath())));
|
||||
} else if (entry.getType() == DiffType.CREATE) {
|
||||
assertTrue(report.getDiffList().contains(entry));
|
||||
assertTrue(inverseReport.getDiffList().contains(
|
||||
new DiffReportEntry(DiffType.DELETE, entry.getFullPath())));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/** Test the computation and representation of diff between snapshots */
|
||||
@Test
|
||||
public void testDiff() throws Exception {
|
||||
modifyAndCreateSnapshot(sub1, sub1);
|
||||
modifyAndCreateSnapshot(new Path(sub1, "subsub1/subsubsub1"), sub1);
|
||||
public void testDiffReport() throws Exception {
|
||||
Path subsub1 = new Path(sub1, "subsub1");
|
||||
Path subsubsub1 = new Path(subsub1, "subsubsub1");
|
||||
hdfs.mkdirs(subsubsub1);
|
||||
modifyAndCreateSnapshot(sub1, new Path[]{sub1, subsubsub1});
|
||||
modifyAndCreateSnapshot(subsubsub1, new Path[]{sub1, subsubsub1});
|
||||
|
||||
SnapshotDiffReport diffs = fsn.getSnapshotDiffReport(sub1.toString(), "s0", "s2");
|
||||
String diffStr = diffs.dump();
|
||||
System.out.println(diffStr);
|
||||
try {
|
||||
hdfs.getSnapshotDiffReport(subsub1, "s1", "s2");
|
||||
fail("Expect exception when getting snapshot diff report: " + subsub1
|
||||
+ " is not a snapshottable directory.");
|
||||
} catch (IOException e) {
|
||||
GenericTestUtils.assertExceptionContains(
|
||||
"Directory is not a snapshottable directory: " + subsub1, e);
|
||||
}
|
||||
|
||||
assertTrue(diffStr.contains("M\t/TestSnapshot/sub1"));
|
||||
assertTrue(diffStr.contains("+\t/TestSnapshot/sub1/file15"));
|
||||
assertTrue(diffStr.contains("-\t/TestSnapshot/sub1/file12"));
|
||||
assertTrue(diffStr.contains("M\t/TestSnapshot/sub1/file11"));
|
||||
assertTrue(diffStr.contains("M\t/TestSnapshot/sub1/file13"));
|
||||
assertFalse(diffStr.contains("file14"));
|
||||
// diff between the same snapshot
|
||||
SnapshotDiffReport report = hdfs.getSnapshotDiffReport(sub1, "s0", "s0");
|
||||
System.out.println(report);
|
||||
assertEquals(0, report.getDiffList().size());
|
||||
|
||||
diffs = fsn.getSnapshotDiffReport(sub1.toString(), "s0", "s5");
|
||||
diffStr = diffs.dump();
|
||||
System.out.println(diffStr);
|
||||
report = hdfs.getSnapshotDiffReport(sub1, "", "");
|
||||
System.out.println(report);
|
||||
assertEquals(0, report.getDiffList().size());
|
||||
|
||||
assertTrue(diffStr.contains("M\t/TestSnapshot/sub1"));
|
||||
assertTrue(diffStr.contains("+\t/TestSnapshot/sub1/file15"));
|
||||
assertTrue(diffStr.contains("+\t/TestSnapshot/sub1/subsub1"));
|
||||
assertTrue(diffStr.contains("-\t/TestSnapshot/sub1/file12"));
|
||||
assertTrue(diffStr.contains("M\t/TestSnapshot/sub1/file10"));
|
||||
assertTrue(diffStr.contains("M\t/TestSnapshot/sub1/file11"));
|
||||
assertTrue(diffStr.contains("M\t/TestSnapshot/sub1/file13"));
|
||||
assertFalse(diffStr.contains("file14"));
|
||||
report = hdfs.getSnapshotDiffReport(subsubsub1, "s0", "s2");
|
||||
System.out.println(report);
|
||||
assertEquals(0, report.getDiffList().size());
|
||||
|
||||
diffs = fsn.getSnapshotDiffReport(sub1.toString(), "s0", "");
|
||||
diffStr = diffs.dump();
|
||||
System.out.println(diffStr);
|
||||
verifyDiffReport(sub1, "s0", "s2",
|
||||
new DiffReportEntry(DiffType.MODIFY, "/TestSnapshot/sub1"),
|
||||
new DiffReportEntry(DiffType.CREATE, "/TestSnapshot/sub1/file15"),
|
||||
new DiffReportEntry(DiffType.DELETE, "/TestSnapshot/sub1/file12"),
|
||||
new DiffReportEntry(DiffType.MODIFY, "/TestSnapshot/sub1/file11"),
|
||||
new DiffReportEntry(DiffType.MODIFY, "/TestSnapshot/sub1/file13"));
|
||||
|
||||
assertTrue(diffStr.contains("M\t/TestSnapshot/sub1"));
|
||||
assertTrue(diffStr.contains("+\t/TestSnapshot/sub1/file15"));
|
||||
assertTrue(diffStr.contains("+\t/TestSnapshot/sub1/subsub1"));
|
||||
assertTrue(diffStr.contains("-\t/TestSnapshot/sub1/file12"));
|
||||
assertTrue(diffStr.contains("M\t/TestSnapshot/sub1/file10"));
|
||||
assertTrue(diffStr.contains("M\t/TestSnapshot/sub1/file11"));
|
||||
assertTrue(diffStr.contains("M\t/TestSnapshot/sub1/file13"));
|
||||
assertFalse(diffStr.contains("file14"));
|
||||
verifyDiffReport(sub1, "s0", "s5",
|
||||
new DiffReportEntry(DiffType.MODIFY, "/TestSnapshot/sub1"),
|
||||
new DiffReportEntry(DiffType.CREATE, "/TestSnapshot/sub1/file15"),
|
||||
new DiffReportEntry(DiffType.DELETE, "/TestSnapshot/sub1/file12"),
|
||||
new DiffReportEntry(DiffType.MODIFY, "/TestSnapshot/sub1/file10"),
|
||||
new DiffReportEntry(DiffType.MODIFY, "/TestSnapshot/sub1/file11"),
|
||||
new DiffReportEntry(DiffType.MODIFY, "/TestSnapshot/sub1/file13"),
|
||||
new DiffReportEntry(DiffType.MODIFY,
|
||||
"/TestSnapshot/sub1/subsub1/subsubsub1"),
|
||||
new DiffReportEntry(DiffType.CREATE,
|
||||
"/TestSnapshot/sub1/subsub1/subsubsub1/file10"),
|
||||
new DiffReportEntry(DiffType.CREATE,
|
||||
"/TestSnapshot/sub1/subsub1/subsubsub1/file11"),
|
||||
new DiffReportEntry(DiffType.CREATE,
|
||||
"/TestSnapshot/sub1/subsub1/subsubsub1/file13"),
|
||||
new DiffReportEntry(DiffType.CREATE,
|
||||
"/TestSnapshot/sub1/subsub1/subsubsub1/file15"));
|
||||
|
||||
diffs = fsn.getSnapshotDiffReport(sub1.toString(), "s2", "s5");
|
||||
diffStr = diffs.dump();
|
||||
System.out.println(diffStr);
|
||||
verifyDiffReport(sub1, "s2", "s5",
|
||||
new DiffReportEntry(DiffType.MODIFY, "/TestSnapshot/sub1"),
|
||||
new DiffReportEntry(DiffType.MODIFY, "/TestSnapshot/sub1/file10"),
|
||||
new DiffReportEntry(DiffType.MODIFY,
|
||||
"/TestSnapshot/sub1/subsub1/subsubsub1"),
|
||||
new DiffReportEntry(DiffType.CREATE,
|
||||
"/TestSnapshot/sub1/subsub1/subsubsub1/file10"),
|
||||
new DiffReportEntry(DiffType.CREATE,
|
||||
"/TestSnapshot/sub1/subsub1/subsubsub1/file11"),
|
||||
new DiffReportEntry(DiffType.CREATE,
|
||||
"/TestSnapshot/sub1/subsub1/subsubsub1/file13"),
|
||||
new DiffReportEntry(DiffType.CREATE,
|
||||
"/TestSnapshot/sub1/subsub1/subsubsub1/file15"));
|
||||
|
||||
assertTrue(diffStr.contains("M\t/TestSnapshot/sub1"));
|
||||
assertTrue(diffStr.contains("+\t/TestSnapshot/sub1/subsub1"));
|
||||
assertTrue(diffStr.contains("M\t/TestSnapshot/sub1/file10"));
|
||||
|
||||
diffs = fsn.getSnapshotDiffReport(sub1.toString(), "s3", "");
|
||||
diffStr = diffs.dump();
|
||||
System.out.println(diffStr);
|
||||
|
||||
assertTrue(diffStr.contains("M\t/TestSnapshot/sub1"));
|
||||
assertTrue(diffStr.contains("M\t/TestSnapshot/sub1/subsub1/subsubsub1"));
|
||||
assertTrue(diffStr
|
||||
.contains("+\t/TestSnapshot/sub1/subsub1/subsubsub1/file15"));
|
||||
assertTrue(diffStr
|
||||
.contains("-\t/TestSnapshot/sub1/subsub1/subsubsub1/file12"));
|
||||
assertTrue(diffStr
|
||||
.contains("M\t/TestSnapshot/sub1/subsub1/subsubsub1/file10"));
|
||||
assertTrue(diffStr
|
||||
.contains("M\t/TestSnapshot/sub1/subsub1/subsubsub1/file11"));
|
||||
assertTrue(diffStr
|
||||
.contains("M\t/TestSnapshot/sub1/subsub1/subsubsub1/file13"));
|
||||
verifyDiffReport(sub1, "s3", "",
|
||||
new DiffReportEntry(DiffType.MODIFY,
|
||||
"/TestSnapshot/sub1/subsub1/subsubsub1"),
|
||||
new DiffReportEntry(DiffType.CREATE,
|
||||
"/TestSnapshot/sub1/subsub1/subsubsub1/file15"),
|
||||
new DiffReportEntry(DiffType.DELETE,
|
||||
"/TestSnapshot/sub1/subsub1/subsubsub1/file12"),
|
||||
new DiffReportEntry(DiffType.MODIFY,
|
||||
"/TestSnapshot/sub1/subsub1/subsubsub1/file10"),
|
||||
new DiffReportEntry(DiffType.MODIFY,
|
||||
"/TestSnapshot/sub1/subsub1/subsubsub1/file11"),
|
||||
new DiffReportEntry(DiffType.MODIFY,
|
||||
"/TestSnapshot/sub1/subsub1/subsubsub1/file13"));
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue