/*
* JBoss, Home of Professional Open Source.
* Copyright 2013, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.as.patching.management;
import java.io.InputStream;
import org.jboss.as.controller.OperationContext;
import org.jboss.as.controller.OperationFailedException;
import org.jboss.as.controller.OperationStepHandler;
import org.jboss.as.controller.descriptions.ModelDescriptionConstants;
import org.jboss.as.patching.PatchingException;
import org.jboss.as.patching.installation.InstallationManager;
import org.jboss.as.patching.installation.InstallationManagerService;
import org.jboss.as.patching.logging.PatchLogger;
import org.jboss.as.patching.tool.ContentVerificationPolicy;
import org.jboss.as.patching.tool.PatchOperationTarget;
import org.jboss.as.patching.tool.PatchTool;
import org.jboss.as.patching.tool.PatchingResult;
import org.jboss.dmr.ModelNode;
import org.jboss.msc.service.ServiceRegistry;
/**
* @author Emanuel Muckenhuber
*/
public final class LocalPatchOperationStepHandler implements OperationStepHandler {
public static final OperationStepHandler INSTANCE = new LocalPatchOperationStepHandler();
@Override
public void execute(final OperationContext context, final ModelNode operation) throws OperationFailedException {
// Acquire the lock and check the write permissions for this operation
final ServiceRegistry registry = context.getServiceRegistry(true);
final InstallationManager installationManager = (InstallationManager) registry.getRequiredService(InstallationManagerService.NAME).getValue();
if (installationManager.requiresRestart()) {
throw PatchLogger.ROOT_LOGGER.serverRequiresRestart();
}
try {
final PatchTool runner = PatchTool.Factory.create(installationManager);
final ContentVerificationPolicy policy = PatchTool.Factory.create(operation);
final int index = operation.get(ModelDescriptionConstants.INPUT_STREAM_INDEX).asInt(0);
final InputStream is = context.getAttachmentStream(index);
installationManager.restartRequired();
final PatchingResult result = runner.applyPatch(is, policy);
context.restartRequired();
context.completeStep(new OperationContext.ResultHandler() {
@Override
public void handleResult(OperationContext.ResultAction resultAction, OperationContext context, ModelNode operation) {
if(resultAction == OperationContext.ResultAction.KEEP) {
result.commit();
} else {
installationManager.clearRestartRequired();
context.revertRestartRequired();
result.rollback();
}
}
});
} catch (PatchingException e) {
final ModelNode failureDescription = context.getFailureDescription();
PatchOperationTarget.formatFailedResponse(e, failureDescription);
installationManager.clearRestartRequired();
}
}
}