/*
* JBoss, Home of Professional Open Source.
* Copyright 2010, 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.wildfly.extension.mod_cluster;
import org.jboss.as.controller.OperationContext;
import org.jboss.as.controller.OperationDefinition;
import org.jboss.as.controller.OperationFailedException;
import org.jboss.as.controller.OperationStepHandler;
import org.jboss.as.controller.SimpleOperationDefinitionBuilder;
import org.jboss.as.controller.descriptions.ResourceDescriptionResolver;
import org.jboss.dmr.ModelNode;
import org.jboss.modcluster.ModClusterServiceMBean;
import org.jboss.msc.service.ServiceController;
import java.net.InetAddress;
import java.net.UnknownHostException;
import static org.wildfly.extension.mod_cluster.ModClusterLogger.ROOT_LOGGER;
import static org.wildfly.extension.mod_cluster.ModClusterSubsystemResourceDefinition.HOST;
import static org.wildfly.extension.mod_cluster.ModClusterSubsystemResourceDefinition.PORT;
/**
* {@link OperationStepHandler} that handles adding a new reverse proxy.
*
* @author Jean-Frederic Clere
* @author Radoslav Husar
*/
public class ModClusterAddProxy implements OperationStepHandler {
static final ModClusterAddProxy INSTANCE = new ModClusterAddProxy();
static OperationDefinition getDefinition(ResourceDescriptionResolver descriptionResolver) {
return new SimpleOperationDefinitionBuilder(CommonAttributes.ADD_PROXY, descriptionResolver)
.addParameter(HOST)
.addParameter(PORT)
.setRuntimeOnly()
.addAccessConstraint(ModClusterExtension.MOD_CLUSTER_PROXIES_DEF)
.build();
}
@Override
public void execute(OperationContext context, ModelNode operation) throws OperationFailedException {
if (context.isNormalServer() && context.getServiceRegistry(false).getService(ContainerEventHandlerService.SERVICE_NAME) != null) {
context.addStep(new OperationStepHandler() {
@Override
public void execute(OperationContext context, ModelNode operation) throws OperationFailedException {
ServiceController<?> controller = context.getServiceRegistry(false).getService(ContainerEventHandlerService.SERVICE_NAME);
final ModClusterServiceMBean service = (ModClusterServiceMBean) controller.getValue();
ROOT_LOGGER.debugf("add-proxy: %s", operation);
final String host = HOST.resolveModelAttribute(context, operation).asString();
final int port = PORT.resolveModelAttribute(context, operation).asInt();
// Keeping this test here to maintain same behavior as previous versions.
try {
InetAddress.getByName(host);
} catch (UnknownHostException e) {
throw new OperationFailedException(ModClusterLogger.ROOT_LOGGER.couldNotResolveProxyIpAddress(), e);
}
service.addProxy(host, port);
context.completeStep(new OperationContext.RollbackHandler() {
@Override
public void handleRollback(OperationContext context, ModelNode operation) {
service.removeProxy(host, port);
}
});
}
}, OperationContext.Stage.RUNTIME);
}
}
}