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BackupDomainCommand.java
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BackupDomainCommand.java
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/*
* Copyright (c) 2021, 2022 Contributors to the Eclipse Foundation
* Copyright (c) 2010, 2018 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0, which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*/
package com.sun.enterprise.admin.cli.optional;
import java.io.File;
import org.glassfish.api.Param;
import org.glassfish.api.admin.CommandException;
import org.glassfish.hk2.api.PerLookup;
import org.jvnet.hk2.annotations.Service;
import com.sun.enterprise.admin.cli.remote.RemoteCLICommand;
import com.sun.enterprise.backup.BackupException;
import com.sun.enterprise.backup.BackupManager;
import com.sun.enterprise.backup.BackupWarningException;
import com.sun.enterprise.universal.i18n.LocalStringsImpl;
import com.sun.enterprise.universal.process.ProcessUtils;
import com.sun.enterprise.util.ObjectAnalyzer;
/**
* This is a local command for backing-up domains.
*
* <p>
* The Options:
* <ul>
* <li>domaindir
* </ul>
* The Operand:
* <ul>
* <li>domain
* </ul>
*/
@Service(name = "backup-domain")
@PerLookup
public final class BackupDomainCommand extends BackupCommands {
private static final LocalStringsImpl strings = new LocalStringsImpl(BackupDomainCommand.class);
@Param(name = "description", optional = true)
String description;
@Param(name = "_force", optional = true)
String force;
@Param(name = "_recyclelimit", optional = true)
String recycleLimit;
@Override
protected void validate() throws CommandException {
// Only if domain name is not specified, it should try to find one
if (domainName == null) {
super.validate();
}
checkOptions();
setDomainName(domainName);
initDomain();
File domainFile = new File(new File(domainDirParam), domainName);
if (!isWritableDirectory(domainFile)) {
throw new CommandException(strings.get("InvalidDirectory", domainFile.getPath()));
}
if (force == null) {
if (ProcessUtils.isAlive(getServerDirs().getPidFile())) {
boolean suspendAvailable = canSuspend();
if (suspendAvailable && !isSuspended()) {
throw new CommandException(strings.get("DomainIsNotSuspended", domainName));
}
if (!suspendAvailable) {
throw new CommandException(strings.get("DomainIsNotStopped", domainName));
}
}
}
int limit = 0;
if (recycleLimit != null) {
try {
limit = Integer.parseInt(recycleLimit.trim());
} catch (NumberFormatException ex) {
limit = -1;
}
if (limit < 0) {
throw new CommandException(strings.get("InvalidBackupRecycleLimit", recycleLimit));
}
}
setDescription(description);
setBackupDir(backupdir);
setRecycleLimit(limit);
prepareRequest();
initializeLogger(); // in case program options changed
}
/**
*/
@Override
protected int executeCommand() throws CommandException {
try {
BackupManager backupManager = new BackupManager(request);
logger.info(backupManager.backup());
} catch (BackupWarningException bwe) {
logger.info(bwe.getMessage());
} catch (BackupException be) {
throw new CommandException(be);
}
return 0;
}
@Override
public String toString() {
return super.toString() + "\n" + ObjectAnalyzer.toString(this);
}
/**
* This method determines if the DAS has the ability to suspend itself.
*/
private boolean canSuspend() {
try {
RemoteCLICommand cmd = new RemoteCLICommand("list-commands", programOpts, env);
String response = cmd.executeAndReturnOutput("list-commands");
if (response.indexOf("suspend-domain") >= 0) {
return true;
}
} catch (Exception e) {
logger.info("Exception while probing DAS (list-commands): " + e.getMessage());
}
return false;
}
/**
* This method determines if the DAS is currently suspended.
*/
private boolean isSuspended() {
try {
RemoteCLICommand cmd = new RemoteCLICommand("suspend-domain", programOpts, env);
String response = cmd.executeAndReturnOutput("suspend-domain", "--_test=true");
if (response.indexOf("SUSPENDED=TRUE") >= 0) {
return true;
}
} catch (Exception e) {
logger.info("Exception while probing DAS (suspend-domain): " + e.getMessage());
}
return false;
}
}