/*
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* The contents of this file are subject to the terms of the Common Development and
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* Distribution License (the License). You may not use this file except in compliance with the
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* License.
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*
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* You can obtain a copy of the License at legal/CDDLv1.0.txt. See the License for the
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* specific language governing permission and limitations under the License.
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*
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* When distributing Covered Software, include this CDDL Header Notice in each file and include
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* the License file at legal/CDDLv1.0.txt. If applicable, add the following below the CDDL
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* Header, with the fields enclosed by brackets [] replaced by your own identifying
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* information: "Portions Copyright [year] [name of copyright owner]".
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*
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* Copyright 2006-2009 Sun Microsystems, Inc.
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* Portions Copyright 2013-2016 ForgeRock AS.
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*/
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package org.opends.server.tools;
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import static org.opends.messages.ToolMessages.*;
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import static org.opends.server.config.ConfigConstants.*;
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import static org.opends.server.util.ServerConstants.*;
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import static org.opends.server.util.StaticUtils.*;
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import static com.forgerock.opendj.cli.ArgumentConstants.*;
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import static com.forgerock.opendj.cli.CommonArguments.*;
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import static com.forgerock.opendj.cli.Utils.*;
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import java.io.File;
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import java.io.OutputStream;
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import java.io.PrintStream;
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import java.text.SimpleDateFormat;
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import java.util.ArrayList;
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import java.util.Date;
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import java.util.HashMap;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Map;
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import java.util.TimeZone;
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import org.forgerock.i18n.slf4j.LocalizedLogger;
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import org.forgerock.opendj.config.server.ConfigException;
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import org.forgerock.opendj.ldap.DN;
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import org.forgerock.opendj.server.config.server.BackendCfg;
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import org.forgerock.util.Utils;
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import org.opends.server.api.LocalBackend;
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import org.opends.server.api.LocalBackend.BackendOperation;
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import org.opends.server.core.DirectoryServer;
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import org.opends.server.core.LockFileManager;
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import org.opends.server.loggers.JDKLogging;
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import org.opends.server.protocols.ldap.LDAPAttribute;
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import org.opends.server.tasks.BackupTask;
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import org.opends.server.tools.tasks.TaskTool;
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import org.opends.server.types.BackupConfig;
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import org.opends.server.types.BackupDirectory;
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import org.opends.server.types.DirectoryException;
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import org.opends.server.types.InitializationException;
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import org.opends.server.types.NullOutputStream;
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import org.opends.server.types.RawAttribute;
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import org.opends.server.util.cli.LDAPConnectionArgumentParser;
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import com.forgerock.opendj.cli.Argument;
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import com.forgerock.opendj.cli.ArgumentException;
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import com.forgerock.opendj.cli.BooleanArgument;
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import com.forgerock.opendj.cli.ClientException;
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import com.forgerock.opendj.cli.StringArgument;
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/**
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* This program provides a utility that may be used to back up a Directory
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* Server backend in a binary form that may be quickly archived and restored.
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* The format of the backup may vary based on the backend type and does not need
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* to be something that can be handled by any other backend type. This will be
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* a process that is intended to run separate from Directory Server and not
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* internally within the server process (e.g., via the tasks interface).
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*/
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public class BackUpDB extends TaskTool
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{
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private static final LocalizedLogger logger = LocalizedLogger.getLoggerForThisClass();
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/**
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* The main method for BackUpDB tool.
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*
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* @param args The command-line arguments provided to this program.
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*/
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public static void main(String[] args)
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{
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int retCode = mainBackUpDB(args, true, System.out, System.err);
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if(retCode != 0)
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{
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System.exit(filterExitCode(retCode));
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}
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}
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/**
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* Processes the command-line arguments and invokes the backup process.
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*
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* @param args The command-line arguments provided to this
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* program.
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* @param initializeServer Indicates whether to initialize the server.
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* @param outStream The output stream to use for standard output, or
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* {@code null} if standard output is not needed.
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* @param errStream The output stream to use for standard error, or
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* {@code null} if standard error is not needed.
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*
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* @return The error code.
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*/
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public static int mainBackUpDB(String[] args, boolean initializeServer,
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OutputStream outStream, OutputStream errStream)
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{
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BackUpDB tool = new BackUpDB();
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return tool.process(args, initializeServer, outStream, errStream);
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}
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/** Define the command-line arguments that may be used with this program. */
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private BooleanArgument backUpAll;
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private BooleanArgument compress;
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private BooleanArgument encrypt;
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private BooleanArgument hash;
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private BooleanArgument incremental;
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private BooleanArgument signHash;
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private StringArgument backendID;
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private StringArgument backupIDString;
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private StringArgument configFile;
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private StringArgument backupDirectory;
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private StringArgument incrementalBaseID;
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private int process(String[] args, boolean initializeServer,
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OutputStream outStream, OutputStream errStream)
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{
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PrintStream out = NullOutputStream.wrapOrNullStream(outStream);
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PrintStream err = NullOutputStream.wrapOrNullStream(errStream);
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JDKLogging.disableLogging();
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// Create the command-line argument parser for use with this program.
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LDAPConnectionArgumentParser argParser =
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createArgParser("org.opends.server.tools.BackUpDB",
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INFO_BACKUPDB_TOOL_DESCRIPTION.get());
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argParser.setShortToolDescription(REF_SHORT_DESC_BACKUP.get());
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// Initialize all the command-line argument types and register them with the parser.
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try
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{
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configFile =
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StringArgument.builder("configFile")
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.shortIdentifier('f')
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.description(INFO_DESCRIPTION_CONFIG_FILE.get())
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.hidden()
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.required()
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.valuePlaceholder(INFO_CONFIGFILE_PLACEHOLDER.get())
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.buildAndAddToParser(argParser);
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backendID =
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StringArgument.builder("backendID")
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.shortIdentifier('n')
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.description(INFO_BACKUPDB_DESCRIPTION_BACKEND_ID.get())
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.multiValued()
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.valuePlaceholder(INFO_BACKENDNAME_PLACEHOLDER.get())
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.buildAndAddToParser(argParser);
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backUpAll =
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BooleanArgument.builder("backUpAll")
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.shortIdentifier('a')
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.description(INFO_BACKUPDB_DESCRIPTION_BACKUP_ALL.get())
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.buildAndAddToParser(argParser);
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backupIDString =
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StringArgument.builder("backupID")
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.shortIdentifier('I')
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.description(INFO_BACKUPDB_DESCRIPTION_BACKUP_ID.get())
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.valuePlaceholder(INFO_BACKUPID_PLACEHOLDER.get())
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.buildAndAddToParser(argParser);
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backupDirectory =
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StringArgument.builder("backupDirectory")
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.shortIdentifier('d')
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.description(INFO_BACKUPDB_DESCRIPTION_BACKUP_DIR.get())
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.required()
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.valuePlaceholder(INFO_BACKUPDIR_PLACEHOLDER.get())
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.buildAndAddToParser(argParser);
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incremental =
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BooleanArgument.builder("incremental")
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.shortIdentifier('i')
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.description(INFO_BACKUPDB_DESCRIPTION_INCREMENTAL.get())
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.buildAndAddToParser(argParser);
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incrementalBaseID =
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StringArgument.builder("incrementalBaseID")
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.shortIdentifier('B')
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.description(INFO_BACKUPDB_DESCRIPTION_INCREMENTAL_BASE_ID.get())
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.valuePlaceholder(INFO_BACKUPID_PLACEHOLDER.get())
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.buildAndAddToParser(argParser);
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compress =
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BooleanArgument.builder(OPTION_LONG_COMPRESS)
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.shortIdentifier(OPTION_SHORT_COMPRESS)
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.description(INFO_BACKUPDB_DESCRIPTION_COMPRESS.get())
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.buildAndAddToParser(argParser);
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encrypt =
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BooleanArgument.builder("encrypt")
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.shortIdentifier('y')
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.description(INFO_BACKUPDB_DESCRIPTION_ENCRYPT.get())
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.buildAndAddToParser(argParser);
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hash =
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BooleanArgument.builder("hash")
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.shortIdentifier('A')
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.description(INFO_BACKUPDB_DESCRIPTION_HASH.get())
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.buildAndAddToParser(argParser);
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signHash =
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BooleanArgument.builder("signHash")
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.shortIdentifier('s')
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.description(INFO_BACKUPDB_DESCRIPTION_SIGN_HASH.get())
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.buildAndAddToParser(argParser);
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final BooleanArgument displayUsage = showUsageArgument();
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argParser.addArgument(displayUsage);
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argParser.setUsageArgument(displayUsage);
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}
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catch (ArgumentException ae)
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{
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printWrappedText(err, ERR_CANNOT_INITIALIZE_ARGS.get(ae.getMessage()));
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return 1;
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}
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// Init the default values so that they can appear also on the usage.
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argParser.getArguments().initArgumentsWithConfiguration(argParser);
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// Parse the command-line arguments provided to this program.
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try
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{
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argParser.parseArguments(args);
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validateTaskArgs();
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}
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catch (ArgumentException ae)
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{
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argParser.displayMessageAndUsageReference(err, ERR_ERROR_PARSING_ARGS.get(ae.getMessage()));
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return 1;
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}
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catch (ClientException ce)
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{
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// No need to display the usage since the problem comes with a provided value.
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printWrappedText(err, ce.getMessageObject());
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return 1;
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}
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// If we should just display usage or version information,
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// then print it and exit.
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if (argParser.usageOrVersionDisplayed())
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{
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return 0;
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}
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// Make sure that either the backUpAll argument was provided or at least one
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// backend ID was given. They are mutually exclusive.
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if (backUpAll.isPresent())
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{
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if (backendID.isPresent())
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{
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argParser.displayMessageAndUsageReference(err, ERR_BACKUPDB_CANNOT_MIX_BACKUP_ALL_AND_BACKEND_ID.get(
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backUpAll.getLongIdentifier(), backendID.getLongIdentifier()));
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return 1;
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}
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}
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else if (! backendID.isPresent())
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{
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argParser.displayMessageAndUsageReference(err, ERR_BACKUPDB_NEED_BACKUP_ALL_OR_BACKEND_ID.get(
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backUpAll.getLongIdentifier(), backendID.getLongIdentifier()));
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return 1;
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}
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else
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{
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// Check that the backendID has not been expressed twice.
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HashSet<String> backendIDLowerCase = new HashSet<>();
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HashSet<String> repeatedBackendIds = new HashSet<>();
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for (String id : backendID.getValues())
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{
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String lId = id.toLowerCase();
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if (!backendIDLowerCase.add(lId))
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{
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repeatedBackendIds.add(lId);
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}
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}
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if (!repeatedBackendIds.isEmpty())
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{
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argParser.displayMessageAndUsageReference(err,
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ERR_BACKUPDB_REPEATED_BACKEND_ID.get(Utils.joinAsString(", ", repeatedBackendIds)));
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return 1;
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}
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}
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// If the incremental base ID was specified, then make sure it is an
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// incremental backup.
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if (incrementalBaseID.isPresent() && ! incremental.isPresent())
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{
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argParser.displayMessageAndUsageReference(err, ERR_BACKUPDB_INCREMENTAL_BASE_REQUIRES_INCREMENTAL.get(
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incrementalBaseID.getLongIdentifier(), incremental.getLongIdentifier()));
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return 1;
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}
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// Encryption or signing requires the ADS backend be available for
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// CryptoManager access to secret key entries. If no connection arguments
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// are present, infer an offline backup.
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if ((encrypt.isPresent() || signHash.isPresent())
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&& ! argParser.connectionArgumentsPresent()) {
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argParser.displayMessageAndUsageReference(err, ERR_BACKUPDB_ENCRYPT_OR_SIGN_REQUIRES_ONLINE.get(
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encrypt.getLongIdentifier(), signHash.getLongIdentifier()));
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return 1;
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}
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// If the signHash option was provided, then make sure that the hash option
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// was given.
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if (signHash.isPresent() && !hash.isPresent())
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{
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argParser.displayMessageAndUsageReference(err,
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ERR_BACKUPDB_SIGN_REQUIRES_HASH.get(signHash.getLongIdentifier(), hash.getLongIdentifier()));
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return 1;
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}
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// Checks the version - if upgrade required, the tool is unusable
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try
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{
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checkVersion();
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}
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catch (InitializationException e)
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{
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printWrappedText(err, e.getMessage());
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return 1;
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}
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return process(argParser, initializeServer, out, err);
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}
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@Override
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public void addTaskAttributes(List<RawAttribute> attributes)
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{
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addIfHasValue(attributes, ATTR_TASK_BACKUP_ALL, backUpAll);
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addIfHasValue(attributes, ATTR_TASK_BACKUP_COMPRESS, compress);
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addIfHasValue(attributes, ATTR_TASK_BACKUP_ENCRYPT, encrypt);
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addIfHasValue(attributes, ATTR_TASK_BACKUP_HASH, hash);
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addIfHasValue(attributes, ATTR_TASK_BACKUP_INCREMENTAL, incremental);
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addIfHasValue(attributes, ATTR_TASK_BACKUP_SIGN_HASH, signHash);
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List<String> backendIDs = backendID.getValues();
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if (backendIDs != null && !backendIDs.isEmpty()) {
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attributes.add(
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new LDAPAttribute(ATTR_TASK_BACKUP_BACKEND_ID, backendIDs));
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}
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addIfHasValue(attributes, ATTR_BACKUP_ID, backupIDString);
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addIfHasValue(attributes, ATTR_BACKUP_DIRECTORY_PATH, backupDirectory);
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addIfHasValue(attributes, ATTR_TASK_BACKUP_INCREMENTAL_BASE_ID, incrementalBaseID);
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}
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private void addIfHasValue(List<RawAttribute> attributes, String attrName, Argument arg)
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{
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if (hasValueDifferentThanDefaultValue(arg)) {
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attributes.add(new LDAPAttribute(attrName, arg.getValue()));
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}
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}
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private boolean hasValueDifferentThanDefaultValue(Argument arg)
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{
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return arg.getValue() != null
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&& !arg.getValue().equals(arg.getDefaultValue());
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}
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@Override
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public String getTaskObjectclass() {
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return "ds-task-backup";
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}
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@Override
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public Class<?> getTaskClass() {
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return BackupTask.class;
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}
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@Override
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protected int processLocal(boolean initializeServer,
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PrintStream out,
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PrintStream err) {
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// Make sure that the backup directory exists. If not, then create it.
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File backupDirFile = new File(backupDirectory.getValue());
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if (! backupDirFile.exists())
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{
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try
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{
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backupDirFile.mkdirs();
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}
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catch (Exception e)
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{
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printWrappedText(
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err, ERR_BACKUPDB_CANNOT_CREATE_BACKUP_DIR.get(backupDirectory.getValue(), getExceptionMessage(e)));
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return 1;
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}
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}
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// If no backup ID was provided, then create one with the current timestamp.
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String backupID;
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if (backupIDString.isPresent())
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{
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backupID = backupIDString.getValue();
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}
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else
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{
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SimpleDateFormat dateFormat = new SimpleDateFormat(DATE_FORMAT_GMT_TIME);
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dateFormat.setTimeZone(TimeZone.getTimeZone("UTC"));
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backupID = dateFormat.format(new Date());
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}
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// If the incremental base ID was specified, then make sure it is an
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// incremental backup.
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String incrementalBase;
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if (incrementalBaseID.isPresent())
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{
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incrementalBase = incrementalBaseID.getValue();
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}
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else
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{
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incrementalBase = null;
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}
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if (initializeServer)
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{
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try
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{
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new DirectoryServer.InitializationBuilder(configFile.getValue())
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.requireErrorAndDebugLogPublisher(out, err)
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.initialize();
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}
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catch (InitializationException ie)
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{
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printWrappedText(err, ERR_CANNOT_INITIALIZE_SERVER_COMPONENTS.get(getExceptionMessage(ie)));
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return 1;
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}
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}
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// Get information about the backends defined in the server, and determine
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// whether we are backing up multiple backends or a single backend.
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List<LocalBackend<?>> backendList = new ArrayList<>();
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List<BackendCfg> entryList = new ArrayList<>();
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List<List<DN>> dnList = new ArrayList<>();
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BackendToolUtils.getBackends(backendList, entryList, dnList);
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int numBackends = backendList.size();
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boolean multiple;
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List<LocalBackend<?>> backendsToArchive = new ArrayList<>(numBackends);
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Map<String, BackendCfg> configEntries = new HashMap<>(numBackends);
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if (backUpAll.isPresent())
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{
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for (int i=0; i < numBackends; i++)
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{
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LocalBackend<?> b = backendList.get(i);
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if (b.supports(BackendOperation.BACKUP))
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{
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backendsToArchive.add(b);
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configEntries.put(b.getBackendID(), entryList.get(i));
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}
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}
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// We'll proceed as if we're backing up multiple backends in this case
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// even if there's just one.
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multiple = true;
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}
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else
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{
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// Iterate through the set of backends and pick out those that were requested.
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HashSet<String> requestedBackends = new HashSet<>(backendID.getValues());
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for (int i=0; i < numBackends; i++)
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{
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LocalBackend<?> b = backendList.get(i);
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if (requestedBackends.contains(b.getBackendID()))
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{
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if (b.supports(BackendOperation.BACKUP))
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{
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backendsToArchive.add(b);
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configEntries.put(b.getBackendID(), entryList.get(i));
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requestedBackends.remove(b.getBackendID());
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}
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else
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{
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logger.warn(WARN_BACKUPDB_BACKUP_NOT_SUPPORTED, b.getBackendID());
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}
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}
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}
|
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if (! requestedBackends.isEmpty())
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{
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for (String id : requestedBackends)
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{
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logger.error(ERR_BACKUPDB_NO_BACKENDS_FOR_ID, id);
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}
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return 1;
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}
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// See if there are multiple backends to archive.
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multiple = backendsToArchive.size() > 1;
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}
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// If there are no backends to archive, then print an error and exit.
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if (backendsToArchive.isEmpty())
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{
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logger.warn(WARN_BACKUPDB_NO_BACKENDS_TO_ARCHIVE);
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return 1;
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}
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// Iterate through the backends to archive and back them up individually.
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boolean errorsEncountered = false;
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for (LocalBackend<?> b : backendsToArchive)
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{
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if (!acquireSharedLock(b))
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{
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errorsEncountered = true;
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continue;
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}
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logger.info(NOTE_BACKUPDB_STARTING_BACKUP, b.getBackendID());
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// Get the config entry for this backend.
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BackendCfg configEntry = configEntries.get(b.getBackendID());
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// Get the path to the directory to use for this backup. If we will be
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// backing up multiple backends (or if we are backing up all backends,
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// even if there's only one of them), then create a subdirectory for each
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// backend.
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String backupDirPath;
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if (multiple)
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{
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backupDirPath = backupDirectory.getValue() + File.separator +
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b.getBackendID();
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}
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else
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{
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backupDirPath = backupDirectory.getValue();
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}
|
|
// If the directory doesn't exist, then create it. If it does exist, then
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// see if it has a backup descriptor file.
|
BackupDirectory backupDir;
|
backupDirFile = new File(backupDirPath);
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if (backupDirFile.exists())
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{
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String descriptorPath = backupDirPath + File.separator +
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BACKUP_DIRECTORY_DESCRIPTOR_FILE;
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File descriptorFile = new File(descriptorPath);
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if (descriptorFile.exists())
|
{
|
try
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{
|
backupDir =
|
BackupDirectory.readBackupDirectoryDescriptor(backupDirPath);
|
}
|
catch (ConfigException ce)
|
{
|
logger.error(ERR_BACKUPDB_CANNOT_PARSE_BACKUP_DESCRIPTOR, descriptorPath, ce.getMessage());
|
errorsEncountered = true;
|
releaseSharedLock(b);
|
continue;
|
}
|
catch (Exception e)
|
{
|
logger.error(ERR_BACKUPDB_CANNOT_PARSE_BACKUP_DESCRIPTOR, descriptorPath, getExceptionMessage(e));
|
errorsEncountered = true;
|
releaseSharedLock(b);
|
continue;
|
}
|
}
|
else
|
{
|
backupDir = new BackupDirectory(backupDirPath, configEntry.dn());
|
}
|
}
|
else
|
{
|
try
|
{
|
backupDirFile.mkdirs();
|
}
|
catch (Exception e)
|
{
|
logger.error(ERR_BACKUPDB_CANNOT_CREATE_BACKUP_DIR, backupDirPath, getExceptionMessage(e));
|
errorsEncountered = true;
|
releaseSharedLock(b);
|
continue;
|
}
|
|
backupDir = new BackupDirectory(backupDirPath, configEntry.dn());
|
}
|
|
// Create a backup configuration and determine whether the requested
|
// backup can be performed using the selected backend.
|
BackupConfig backupConfig = new BackupConfig(backupDir, backupID,
|
incremental.isPresent());
|
backupConfig.setCompressData(compress.isPresent());
|
backupConfig.setEncryptData(encrypt.isPresent());
|
backupConfig.setHashData(hash.isPresent());
|
backupConfig.setSignHash(signHash.isPresent());
|
backupConfig.setIncrementalBaseID(incrementalBase);
|
|
if (!b.supports(BackendOperation.BACKUP))
|
{
|
logger.error(ERR_BACKUPDB_CANNOT_BACKUP, b.getBackendID());
|
errorsEncountered = true;
|
unlockBackend(b);
|
continue;
|
}
|
|
// Perform the backup.
|
try
|
{
|
b.createBackup(backupConfig);
|
}
|
catch (DirectoryException de)
|
{
|
logger.error(ERR_BACKUPDB_ERROR_DURING_BACKUP, b.getBackendID(), de.getMessageObject());
|
errorsEncountered = true;
|
unlockBackend(b);
|
continue;
|
}
|
catch (Exception e)
|
{
|
logger.error(ERR_BACKUPDB_ERROR_DURING_BACKUP, b.getBackendID(), getExceptionMessage(e));
|
errorsEncountered = true;
|
unlockBackend(b);
|
continue;
|
}
|
|
if (!releaseSharedLock(b))
|
{
|
errorsEncountered = true;
|
}
|
}
|
|
// Print a final completed message, indicating whether there were any errors
|
// in the process.
|
if (errorsEncountered)
|
{
|
logger.info(NOTE_BACKUPDB_COMPLETED_WITH_ERRORS);
|
return 1;
|
}
|
logger.info(NOTE_BACKUPDB_COMPLETED_SUCCESSFULLY);
|
return 0;
|
}
|
|
private boolean acquireSharedLock(LocalBackend<?> b)
|
{
|
try
|
{
|
String lockFile = LockFileManager.getBackendLockFileName(b);
|
StringBuilder failureReason = new StringBuilder();
|
if (!LockFileManager.acquireSharedLock(lockFile, failureReason))
|
{
|
logger.error(ERR_BACKUPDB_CANNOT_LOCK_BACKEND, b.getBackendID(), failureReason);
|
return false;
|
}
|
return true;
|
}
|
catch (Exception e)
|
{
|
logger.error(ERR_BACKUPDB_CANNOT_LOCK_BACKEND, b.getBackendID(), getExceptionMessage(e));
|
return false;
|
}
|
}
|
|
private boolean releaseSharedLock(LocalBackend<?> b)
|
{
|
try
|
{
|
String lockFile = LockFileManager.getBackendLockFileName(b);
|
StringBuilder failureReason = new StringBuilder();
|
if (!LockFileManager.releaseLock(lockFile, failureReason))
|
{
|
logger.warn(WARN_BACKUPDB_CANNOT_UNLOCK_BACKEND, b.getBackendID(), failureReason);
|
return false;
|
}
|
return true;
|
}
|
catch (Exception e)
|
{
|
logger.warn(WARN_BACKUPDB_CANNOT_UNLOCK_BACKEND, b.getBackendID(), getExceptionMessage(e));
|
return false;
|
}
|
}
|
|
private void unlockBackend(LocalBackend<?> b)
|
{
|
try
|
{
|
String lockFile = LockFileManager.getBackendLockFileName(b);
|
StringBuilder failureReason = new StringBuilder();
|
if (!LockFileManager.releaseLock(lockFile, failureReason))
|
{
|
logger.warn(WARN_BACKUPDB_CANNOT_UNLOCK_BACKEND, b.getBackendID(), failureReason);
|
}
|
}
|
catch (Exception e)
|
{
|
logger.warn(WARN_BACKUPDB_CANNOT_UNLOCK_BACKEND, b.getBackendID(), getExceptionMessage(e));
|
}
|
}
|
|
@Override
|
public String getTaskId() {
|
return backupIDString != null ? backupIDString.getValue() : null;
|
}
|
}
|
