/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at
* trunk/opends/resource/legal-notices/OpenDS.LICENSE
* or https://OpenDS.dev.java.net/OpenDS.LICENSE.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at
* trunk/opends/resource/legal-notices/OpenDS.LICENSE. If applicable,
* add the following below this CDDL HEADER, with the fields enclosed
* by brackets "[]" replaced with your own identifying information:
* Portions Copyright [yyyy] [name of copyright owner]
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*
*
* Copyright 2006-2008 Sun Microsystems, Inc.
* Portions Copyright 2012-2013 ForgeRock AS
*/
package org.opends.server.tools;
import org.opends.messages.Message;
import java.io.OutputStream;
import java.io.PrintStream;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.TreeMap;
import java.util.TreeSet;
import org.opends.server.config.ConfigEntry;
import org.opends.server.config.ConfigException;
import org.opends.server.config.DNConfigAttribute;
import org.opends.server.config.StringConfigAttribute;
import org.opends.server.core.DirectoryServer;
import org.opends.server.extensions.ConfigFileHandler;
import org.opends.server.types.DirectoryException;
import org.opends.server.types.DN;
import org.opends.server.types.InitializationException;
import org.opends.server.types.NullOutputStream;
import org.opends.server.util.BuildVersion;
import org.opends.server.util.args.ArgumentException;
import org.opends.server.util.args.ArgumentParser;
import org.opends.server.util.args.BooleanArgument;
import org.opends.server.util.args.StringArgument;
import org.opends.server.util.table.TableBuilder;
import org.opends.server.util.table.TextTablePrinter;
import static org.opends.server.config.ConfigConstants.*;
import static org.opends.messages.ConfigMessages.*;
import static org.opends.messages.ToolMessages.*;
import static org.opends.server.util.ServerConstants.*;
import static org.opends.server.util.StaticUtils.*;
import static org.opends.server.tools.ToolConstants.*;
/**
* This program provides a utility that may be used to list the backends in the
* server, as well as to determine which backend holds a given entry.
*/
public class ListBackends
{
/**
* Parses the provided command-line arguments and uses that information to
* list the backend information.
*
* @param args The command-line arguments provided to this program.
*/
public static void main(String[] args)
{
int retCode = listBackends(args, true, System.out, System.err);
if(retCode != 0)
{
System.exit(filterExitCode(retCode));
}
}
/**
* Parses the provided command-line arguments and uses that information to
* list the backend information.
*
* @param args The command-line arguments provided to this program.
*
* @return A return code indicating whether the processing was successful.
*/
public static int listBackends(String[] args)
{
return listBackends(args, true, System.out, System.err);
}
/**
* Parses the provided command-line arguments and uses that information to
* list the backend information.
*
* @param args The command-line arguments provided to this
* program.
* @param initializeServer Indicates whether to initialize the server.
* @param outStream The output stream to use for standard output, or
* <CODE>null</CODE> if standard output is not
* needed.
* @param errStream The output stream to use for standard error, or
* <CODE>null</CODE> if standard error is not
* needed.
*
* @return A return code indicating whether the processing was successful.
*/
public static int listBackends(String[] args, boolean initializeServer,
OutputStream outStream, OutputStream errStream)
{
PrintStream out;
if (outStream == null)
{
out = NullOutputStream.printStream();
}
else
{
out = new PrintStream(outStream);
}
PrintStream err;
if (errStream == null)
{
err = NullOutputStream.printStream();
}
else
{
err = new PrintStream(errStream);
}
// Define the command-line arguments that may be used with this program.
BooleanArgument displayUsage = null;
StringArgument backendID = null;
StringArgument baseDN = null;
StringArgument configClass = null;
StringArgument configFile = null;
// Create the command-line argument parser for use with this program.
Message toolDescription = INFO_LISTBACKENDS_TOOL_DESCRIPTION.get();
ArgumentParser argParser =
new ArgumentParser("org.opends.server.tools.ListBackends",
toolDescription, false);
// Initialize all the command-line argument types and register them with the
// parser.
try
{
configClass =
new StringArgument("configclass", OPTION_SHORT_CONFIG_CLASS,
OPTION_LONG_CONFIG_CLASS, true, false,
true, INFO_CONFIGCLASS_PLACEHOLDER.get(),
ConfigFileHandler.class.getName(), null,
INFO_DESCRIPTION_CONFIG_CLASS.get());
configClass.setHidden(true);
argParser.addArgument(configClass);
configFile =
new StringArgument("configfile", 'f', "configFile", true, false,
true, INFO_CONFIGFILE_PLACEHOLDER.get(), null,
null,
INFO_DESCRIPTION_CONFIG_FILE.get());
configFile.setHidden(true);
argParser.addArgument(configFile);
backendID = new StringArgument(
"backendid", 'n', "backendID", false,
true, true, INFO_BACKENDNAME_PLACEHOLDER.get(), null, null,
INFO_LISTBACKENDS_DESCRIPTION_BACKEND_ID.get());
argParser.addArgument(backendID);
baseDN = new StringArgument(
"basedn", OPTION_SHORT_BASEDN,
OPTION_LONG_BASEDN, false, true, true,
INFO_BASEDN_PLACEHOLDER.get(), null, null,
INFO_LISTBACKENDS_DESCRIPTION_BASE_DN.get());
argParser.addArgument(baseDN);
displayUsage = new BooleanArgument(
"help", OPTION_SHORT_HELP,
OPTION_LONG_HELP,
INFO_LISTBACKENDS_DESCRIPTION_HELP.get());
argParser.addArgument(displayUsage);
argParser.setUsageArgument(displayUsage, out);
}
catch (ArgumentException ae)
{
Message message = ERR_CANNOT_INITIALIZE_ARGS.get(ae.getMessage());
err.println(wrapText(message, MAX_LINE_WIDTH));
return 1;
}
// Parse the command-line arguments provided to this program.
try
{
argParser.parseArguments(args);
}
catch (ArgumentException ae)
{
Message message = ERR_ERROR_PARSING_ARGS.get(ae.getMessage());
err.println(wrapText(message, MAX_LINE_WIDTH));
err.println(argParser.getUsage());
return 1;
}
// If we should just display usage or version information,
// then it's already been done so just return.
if (argParser.usageOrVersionDisplayed())
{
return 0;
}
// Make sure that the user did not provide both the backend ID and base DN
// arguments.
if (backendID.isPresent() && baseDN.isPresent())
{
Message message = ERR_TOOL_CONFLICTING_ARGS.get(
backendID.getLongIdentifier(),
baseDN.getLongIdentifier());
err.println(wrapText(message, MAX_LINE_WIDTH));
return 1;
}
// Checks the version - if upgrade required, the tool is unusable
try
{
BuildVersion.checkVersionMismatch();
}
catch (InitializationException e)
{
err.println(wrapText(e.getMessage(), MAX_LINE_WIDTH));
return 1;
}
// Perform the initial bootstrap of the Directory Server and process the
// configuration.
DirectoryServer directoryServer = DirectoryServer.getInstance();
if (initializeServer)
{
try
{
DirectoryServer.bootstrapClient();
DirectoryServer.initializeJMX();
}
catch (Exception e)
{
Message message = ERR_SERVER_BOOTSTRAP_ERROR.get(
getExceptionMessage(e));
err.println(wrapText(message, MAX_LINE_WIDTH));
return 1;
}
try
{
directoryServer.initializeConfiguration(configClass.getValue(),
configFile.getValue());
}
catch (InitializationException ie)
{
Message message = ERR_CANNOT_LOAD_CONFIG.get(ie.getMessage());
err.println(wrapText(message, MAX_LINE_WIDTH));
return 1;
}
catch (Exception e)
{
Message message = ERR_CANNOT_LOAD_CONFIG.get(getExceptionMessage(e));
err.println(wrapText(message, MAX_LINE_WIDTH));
return 1;
}
// Initialize the Directory Server schema elements.
try
{
directoryServer.initializeSchema();
}
catch (ConfigException ce)
{
Message message = ERR_CANNOT_LOAD_SCHEMA.get(ce.getMessage());
err.println(wrapText(message, MAX_LINE_WIDTH));
return 1;
}
catch (InitializationException ie)
{
Message message = ERR_CANNOT_LOAD_SCHEMA.get(ie.getMessage());
err.println(wrapText(message, MAX_LINE_WIDTH));
return 1;
}
catch (Exception e)
{
Message message = ERR_CANNOT_LOAD_SCHEMA.get(getExceptionMessage(e));
err.println(wrapText(message, MAX_LINE_WIDTH));
return 1;
}
}
// Retrieve a list of the backkends defined in the server.
TreeMap<String,TreeSet<DN>> backends;
try
{
backends = getBackends();
}
catch (ConfigException ce)
{
Message message = ERR_LISTBACKENDS_CANNOT_GET_BACKENDS.get(
ce.getMessage());
err.println(wrapText(message, MAX_LINE_WIDTH));
return 1;
}
catch (Exception e)
{
Message message = ERR_LISTBACKENDS_CANNOT_GET_BACKENDS.get(
getExceptionMessage(e));
err.println(wrapText(message, MAX_LINE_WIDTH));
return 1;
}
// See what action we need to take based on the arguments provided. If the
// backend ID argument was present, then list the base DNs for that backend.
// If the base DN argument was present, then list the backend for that base
// DN. If no arguments were provided, then list all backends and base DNs.
boolean invalidDn = false;
if (baseDN.isPresent())
{
// Create a map from the base DNs of the backends to the corresponding
// backend ID.
TreeMap<DN,String> baseToIDMap = new TreeMap<DN,String>();
for (String id : backends.keySet())
{
for (DN dn : backends.get(id))
{
baseToIDMap.put(dn, id);
}
}
// Iterate through the base DN values specified by the user. Determine
// the backend for that entry, and whether the provided DN is a base DN
// for that backend.
for (String dnStr : baseDN.getValues())
{
DN dn;
try
{
dn = DN.decode(dnStr);
}
catch (DirectoryException de)
{
Message message = ERR_LISTBACKENDS_INVALID_DN.get(
dnStr, de.getMessage());
err.println(wrapText(message, MAX_LINE_WIDTH));
return 1;
}
catch (Exception e)
{
Message message = ERR_LISTBACKENDS_INVALID_DN.get(
dnStr, getExceptionMessage(e));
err.println(wrapText(message, MAX_LINE_WIDTH));
return 1;
}
String id = baseToIDMap.get(dn);
if (id == null)
{
Message message = INFO_LISTBACKENDS_NOT_BASE_DN.get(
dn.toString());
out.println(message);
DN parentDN = dn.getParent();
while (true)
{
if (parentDN == null)
{
message = INFO_LISTBACKENDS_NO_BACKEND_FOR_DN.get(
dn.toString());
out.println(message);
invalidDn = true;
break;
}
else
{
id = baseToIDMap.get(parentDN);
if (id != null)
{
message = INFO_LISTBACKENDS_DN_BELOW_BASE.get(
dn.toString(), parentDN.toString(), id);
out.println(message);
break;
}
}
parentDN = parentDN.getParent();
}
}
else
{
Message message = INFO_LISTBACKENDS_BASE_FOR_ID.get(
dn.toString(), id);
out.println(message);
}
}
}
else
{
LinkedList<String> backendIDs;
if (backendID.isPresent())
{
backendIDs = backendID.getValues();
}
else
{
backendIDs = new LinkedList<String>(backends.keySet());
}
// Figure out the length of the longest backend ID and base DN defined in
// the server. We'll use that information to try to align the output.
Message backendIDLabel = INFO_LISTBACKENDS_LABEL_BACKEND_ID.get();
Message baseDNLabel = INFO_LISTBACKENDS_LABEL_BASE_DN.get();
int backendIDLength = 10;
int baseDNLength = 7;
Iterator<String> iterator = backendIDs.iterator();
while (iterator.hasNext())
{
String id = iterator.next();
TreeSet<DN> baseDNs = backends.get(id);
if (baseDNs == null)
{
Message message = ERR_LISTBACKENDS_NO_SUCH_BACKEND.get(id);
err.println(wrapText(message, MAX_LINE_WIDTH));
iterator.remove();
}
else
{
backendIDLength = Math.max(id.length(), backendIDLength);
for (DN dn : baseDNs)
{
baseDNLength = Math.max(dn.toString().length(), baseDNLength);
}
}
}
if (backendIDs.isEmpty())
{
Message message = ERR_LISTBACKENDS_NO_VALID_BACKENDS.get();
err.println(wrapText(message, MAX_LINE_WIDTH));
return 1;
}
TableBuilder table = new TableBuilder();
Message[] headers = {backendIDLabel, baseDNLabel};
for (int i=0; i< headers.length; i++)
{
table.appendHeading(headers[i]);
}
for (String id : backendIDs)
{
table.startRow();
table.appendCell(id);
StringBuilder buf = new StringBuilder();
TreeSet<DN> baseDNs = backends.get(id);
boolean isFirst = true;
for (DN dn : baseDNs)
{
if (!isFirst)
{
buf.append(",");
}
else
{
isFirst = false;
}
if (dn.getNumComponents() > 1)
{
buf.append("\""+dn.toString()+"\"");
}
else
{
buf.append(dn.toString());
}
}
table.appendCell(buf.toString());
}
TextTablePrinter printer = new TextTablePrinter(out);
printer.setColumnSeparator(ToolConstants.LIST_TABLE_SEPARATOR);
table.print(printer);
}
// If we've gotten here, then everything completed successfully.
return invalidDn ? 1 : 0 ;
}
/**
* Retrieves information about the backends configured in the Directory Server
* mapped between the backend ID to the set of base DNs for that backend.
*
* @return Information about the backends configured in the Directory Server.
*
* @throws ConfigException If a problem occurs while reading the server
* configuration.
*/
private static TreeMap<String,TreeSet<DN>> getBackends()
throws ConfigException
{
// Get the base entry for all backend configuration.
DN backendBaseDN = null;
try
{
backendBaseDN = DN.decode(DN_BACKEND_BASE);
}
catch (DirectoryException de)
{
Message message = ERR_CANNOT_DECODE_BACKEND_BASE_DN.get(
DN_BACKEND_BASE, de.getMessageObject());
throw new ConfigException(message, de);
}
catch (Exception e)
{
Message message = ERR_CANNOT_DECODE_BACKEND_BASE_DN.get(
DN_BACKEND_BASE, getExceptionMessage(e));
throw new ConfigException(message, e);
}
ConfigEntry baseEntry = null;
try
{
baseEntry = DirectoryServer.getConfigEntry(backendBaseDN);
}
catch (ConfigException ce)
{
Message message = ERR_CANNOT_RETRIEVE_BACKEND_BASE_ENTRY.get(
DN_BACKEND_BASE, ce.getMessage());
throw new ConfigException(message, ce);
}
catch (Exception e)
{
Message message = ERR_CANNOT_RETRIEVE_BACKEND_BASE_ENTRY.get(
DN_BACKEND_BASE, getExceptionMessage(e));
throw new ConfigException(message, e);
}
// Iterate through the immediate children, attempting to parse them as
// backends.
TreeMap<String,TreeSet<DN>> backendMap = new TreeMap<String,TreeSet<DN>>();
for (ConfigEntry configEntry : baseEntry.getChildren().values())
{
// Get the backend ID attribute from the entry. If there isn't one, then
// skip the entry.
String backendID = null;
try
{
Message msg = INFO_CONFIG_BACKEND_ATTR_DESCRIPTION_BACKEND_ID.get();
StringConfigAttribute idStub =
new StringConfigAttribute(ATTR_BACKEND_ID, msg,
true, false, true);
StringConfigAttribute idAttr =
(StringConfigAttribute) configEntry.getConfigAttribute(idStub);
if (idAttr == null)
{
continue;
}
else
{
backendID = idAttr.activeValue();
}
}
catch (ConfigException ce)
{
Message message = ERR_CANNOT_DETERMINE_BACKEND_ID.get(
String.valueOf(configEntry.getDN()), ce.getMessage());
throw new ConfigException(message, ce);
}
catch (Exception e)
{
Message message = ERR_CANNOT_DETERMINE_BACKEND_ID.get(
String.valueOf(configEntry.getDN()), getExceptionMessage(e));
throw new ConfigException(message, e);
}
// Get the base DN attribute from the entry. If there isn't one, then
// just skip this entry.
TreeSet<DN> baseDNs = new TreeSet<DN>();
try
{
Message msg = INFO_CONFIG_BACKEND_ATTR_DESCRIPTION_BASE_DNS.get();
DNConfigAttribute baseDNStub =
new DNConfigAttribute(ATTR_BACKEND_BASE_DN, msg,
true, true, true);
DNConfigAttribute baseDNAttr =
(DNConfigAttribute) configEntry.getConfigAttribute(baseDNStub);
if (baseDNAttr != null)
{
baseDNs.addAll(baseDNAttr.activeValues());
}
}
catch (Exception e)
{
Message message = ERR_CANNOT_DETERMINE_BASES_FOR_BACKEND.get(
String.valueOf(configEntry.getDN()), getExceptionMessage(e));
throw new ConfigException(message, e);
}
backendMap.put(backendID, baseDNs);
}
return backendMap;
}
}