/*
* JBoss, Home of Professional Open Source
* Copyright 2011 Red Hat Inc. and/or its affiliates and other contributors
* as indicated by the @authors tag. All rights reserved.
* See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU Lesser General Public License, v. 2.1.
* This program is distributed in the hope that it will be useful, but WITHOUT A
* 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,
* v.2.1 along with this distribution; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
package org.jboss.as.host.controller.operations;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.OP_ADDR;
import org.jboss.as.controller.AttributeDefinition;
import org.jboss.as.controller.ModelVersion;
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.PathAddress;
import org.jboss.as.controller.PathElement;
import org.jboss.as.controller.RunningMode;
import org.jboss.as.controller.SimpleAttributeDefinitionBuilder;
import org.jboss.as.controller.SimpleOperationDefinitionBuilder;
import org.jboss.as.controller.client.helpers.domain.ServerStatus;
import org.jboss.as.controller.descriptions.ModelDescriptionConstants;
import org.jboss.as.controller.operations.validation.StringLengthValidator;
import org.jboss.as.controller.registry.OperationEntry;
import org.jboss.as.controller.registry.Resource;
import org.jboss.as.host.controller.logging.HostControllerLogger;
import org.jboss.as.host.controller.ServerInventory;
import org.jboss.as.host.controller.descriptions.HostResolver;
import org.jboss.dmr.ModelNode;
import org.jboss.dmr.ModelType;
/**
* Starts a server.
*
* @author Brian Stansberry (c) 2011 Red Hat Inc.
*/
public class ServerStartHandler implements OperationStepHandler {
public static final String OPERATION_NAME = "start";
private static final AttributeDefinition SERVER = new SimpleAttributeDefinitionBuilder(ModelDescriptionConstants.SERVER, ModelType.STRING, true)
.setValidator(new StringLengthValidator(1, true))
.setDeprecated(ModelVersion.create(1, 0, 4)) //TODO This has never been used since 7.0.0, not sure which version to set deprecated
.build();
private static final AttributeDefinition BLOCKING = new SimpleAttributeDefinitionBuilder(ModelDescriptionConstants.BLOCKING, ModelType.BOOLEAN, true)
.build();
static final AttributeDefinition SUSPEND = new SimpleAttributeDefinitionBuilder(ModelDescriptionConstants.SUSPEND, ModelType.BOOLEAN, true)
.build();
public static final OperationDefinition DEFINITION = getOperationDefinition(OPERATION_NAME, ServerStartHandler.SUSPEND);
private final ServerInventory serverInventory;
static OperationDefinition getOperationDefinition(String name, AttributeDefinition... additional) {
SimpleOperationDefinitionBuilder builder = new SimpleOperationDefinitionBuilder(name, HostResolver.getResolver("host.server"))
.setParameters(SERVER, BLOCKING)
.setReplyType(ModelType.STRING)
.setRuntimeOnly()
.withFlag(OperationEntry.Flag.HOST_CONTROLLER_ONLY);
for (AttributeDefinition param : additional) {
builder.addParameter(param);
}
return builder.build();
}
/**
* Create the ServerAddHandler
*/
public ServerStartHandler(final ServerInventory serverInventory) {
this.serverInventory = serverInventory;
}
/**
* {@inheritDoc}
*/
@Override
public void execute(OperationContext context, ModelNode operation) throws OperationFailedException {
if (context.getRunningMode() == RunningMode.ADMIN_ONLY) {
throw new OperationFailedException(HostControllerLogger.ROOT_LOGGER.cannotStartServersInvalidMode(context.getRunningMode()));
}
final PathAddress address = PathAddress.pathAddress(operation.require(OP_ADDR));
final PathElement element = address.getLastElement();
final String serverName = element.getValue();
final boolean blocking = operation.get(ModelDescriptionConstants.BLOCKING).asBoolean(false);
final boolean suspend = operation.get(ModelDescriptionConstants.SUSPEND).asBoolean(false);
final ModelNode model = Resource.Tools.readModel(context.readResourceFromRoot(PathAddress.EMPTY_ADDRESS, true));
context.addStep(new OperationStepHandler() {
@Override
public void execute(OperationContext context, ModelNode operation) throws OperationFailedException {
// WFLY-2189 trigger a write-runtime authz check
context.getServiceRegistry(true);
final ServerStatus origStatus = serverInventory.determineServerStatus(serverName);
if (origStatus != ServerStatus.STARTED && origStatus != ServerStatus.STARTING) {
final ServerStatus status = serverInventory.startServer(serverName, model, blocking, suspend);
persistAutoStart(context);
context.getResult().set(status.toString());
} else {
context.getResult().set(origStatus.toString());
}
context.completeStep(new OperationContext.RollbackHandler() {
@Override
public void handleRollback(OperationContext context, ModelNode operation) {
if (origStatus != ServerStatus.STARTED && origStatus != ServerStatus.STARTING) {
serverInventory.stopServer(serverName, -1);
persistAutoStart(context);
}
}
});
}
/**
* By reading the model we ensure that ServerConfigResource.persistAutoStart will get called.
* @param context the current operation context.
*/
private void persistAutoStart(OperationContext context) {
context.readResource(PathAddress.EMPTY_ADDRESS, false).getModel();
}
}, OperationContext.Stage.RUNTIME);
}
}