/*
* JBoss, Home of Professional Open Source.
* Copyright 2011, 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.domain.controller.operations.coordination;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.EXECUTE_FOR_COORDINATOR;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.HOST;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.OP;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.OPERATION_HEADERS;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.OP_ADDR;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.RUNNING_SERVER;
import static org.jboss.as.domain.controller.logging.DomainControllerLogger.HOST_CONTROLLER_LOGGER;
import static org.jboss.as.domain.controller.operations.coordination.OperationCoordinatorStepHandler.configureDomainUUID;
import java.util.Map;
import java.util.concurrent.ExecutorService;
import org.jboss.as.controller.OperationContext;
import org.jboss.as.controller.OperationFailedException;
import org.jboss.as.controller.OperationStepHandler;
import org.jboss.as.controller.PathAddress;
import org.jboss.as.controller.ProxyController;
import org.jboss.as.controller.extension.ExtensionRegistry;
import org.jboss.as.controller.logging.ControllerLogger;
import org.jboss.as.controller.registry.ImmutableManagementResourceRegistration;
import org.jboss.as.controller.registry.OperationEntry;
import org.jboss.as.domain.controller.LocalHostControllerInfo;
import org.jboss.as.host.controller.ignored.IgnoredDomainResourceRegistry;
import org.jboss.dmr.ModelNode;
/**
* Initial step handler for a {@link org.jboss.as.controller.ModelController} that is the model controller for a host controller.
*
* @author Brian Stansberry (c) 2011 Red Hat Inc.
*/
public class PrepareStepHandler implements OperationStepHandler {
private final LocalHostControllerInfo localHostControllerInfo;
private final OperationCoordinatorStepHandler coordinatorHandler;
private final OperationSlaveStepHandler slaveHandler;
public PrepareStepHandler(final LocalHostControllerInfo localHostControllerInfo,
final Map<String, ProxyController> hostProxies,
final Map<String, ProxyController> serverProxies,
final IgnoredDomainResourceRegistry ignoredDomainResourceRegistry,
final ExtensionRegistry extensionRegistry) {
this.localHostControllerInfo = localHostControllerInfo;
this.slaveHandler = new OperationSlaveStepHandler(localHostControllerInfo, serverProxies, ignoredDomainResourceRegistry, extensionRegistry);
this.coordinatorHandler = new OperationCoordinatorStepHandler(localHostControllerInfo, hostProxies, serverProxies, slaveHandler);
}
@Override
public void execute(OperationContext context, ModelNode operation) throws OperationFailedException {
if (context.isBooting()) {
executeDirect(context, operation);
} else if (operation.hasDefined(OPERATION_HEADERS)
&& operation.get(OPERATION_HEADERS).hasDefined(EXECUTE_FOR_COORDINATOR)
&& operation.get(OPERATION_HEADERS).get(EXECUTE_FOR_COORDINATOR).asBoolean()) {
// Coordinator wants us to execute locally and send result including the steps needed for execution on the servers
slaveHandler.execute(context, operation);
} else {
// Assign a unique id to this operation to allow tying together of audit logs from various hosts/servers
// impacted by it
if (isServerOperation(operation)) {
// Pass direct requests for the server through whether they come from the master or not
// First, attach a domainUUID for audit logging
configureDomainUUID(operation);
executeDirect(context, operation);
} else {
coordinatorHandler.execute(context, operation);
}
}
}
public void setExecutorService(final ExecutorService executorService) {
coordinatorHandler.setExecutorService(executorService);
}
private boolean isServerOperation(ModelNode operation) {
PathAddress addr = PathAddress.pathAddress(operation.get(OP_ADDR));
return addr.size() > 1
&& HOST.equals(addr.getElement(0).getKey())
&& localHostControllerInfo.getLocalHostName().equals(addr.getElement(0).getValue())
&& RUNNING_SERVER.equals(addr.getElement(1).getKey());
}
/**
* Directly handles the op in the standard way the default prepare step handler would
* @param context the operation execution context
* @param operation the operation
* @throws OperationFailedException if there is no handler registered for the operation
*/
private void executeDirect(OperationContext context, ModelNode operation) throws OperationFailedException {
if (HOST_CONTROLLER_LOGGER.isTraceEnabled()) {
HOST_CONTROLLER_LOGGER.tracef("%s executing direct", getClass().getSimpleName());
}
executeDirectOperation(context, operation);
}
static void executeDirectOperation(OperationContext context, ModelNode operation) throws OperationFailedException {
final String operationName = operation.require(OP).asString();
final ImmutableManagementResourceRegistration registration = context.getResourceRegistration();
final OperationEntry stepEntry = context.getRootResourceRegistration().getOperationEntry(PathAddress.pathAddress(operation.get(OP_ADDR)), operationName);
if (stepEntry != null) {
context.addModelStep(stepEntry.getOperationDefinition(), stepEntry.getOperationHandler(), false);
} else {
PathAddress pathAddress = PathAddress.pathAddress(operation.get(OP_ADDR));
if (! context.isBooting()) {
if (registration == null) {
context.getFailureDescription().set(ControllerLogger.ROOT_LOGGER.noSuchResourceType(pathAddress));
} else {
context.getFailureDescription().set(ControllerLogger.ROOT_LOGGER.noHandlerForOperation(operationName, pathAddress));
}
}
}
}
}