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/*
* 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.server.deployment;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.CONTENT;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.DEPLOYMENT;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.HASH;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.NAME;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.REPLACE_DEPLOYMENT;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.RUNTIME_NAME;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.TO_REPLACE;
import static org.jboss.as.server.controller.resources.DeploymentAttributes.ENABLED;
import static org.jboss.as.server.deployment.DeploymentHandlerUtils.getContents;
import org.jboss.as.controller.AttributeDefinition;
import org.jboss.as.controller.HashUtil;
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.PathElement;
import org.jboss.as.controller.descriptions.ModelDescriptionConstants;
import org.jboss.as.controller.registry.Resource;
import org.jboss.as.repository.ContentRepository;
import org.jboss.as.server.ServerMessages;
import org.jboss.as.server.controller.resources.DeploymentAttributes;
import org.jboss.as.server.services.security.AbstractVaultReader;
import org.jboss.dmr.ModelNode;
/**
* Handles replacement in the runtime of one deployment by another.
*
* @author Brian Stansberry (c) 2011 Red Hat Inc.
*/
public class DeploymentReplaceHandler implements OperationStepHandler {
public static final String OPERATION_NAME = REPLACE_DEPLOYMENT;
private final ContentRepository contentRepository;
private final AbstractVaultReader vaultReader;
protected DeploymentReplaceHandler(ContentRepository contentRepository, final AbstractVaultReader vaultReader) {
assert contentRepository != null : "Null contentRepository";
this.contentRepository = contentRepository;
this.vaultReader = vaultReader;
}
public static DeploymentReplaceHandler create(ContentRepository contentRepository, final AbstractVaultReader vaultReader) {
return new DeploymentReplaceHandler(contentRepository, vaultReader);
}
public void execute(OperationContext context, ModelNode operation) throws OperationFailedException {
for (AttributeDefinition def : DeploymentAttributes.REPLACE_DEPLOYMENT_ATTRIBUTES.values()) {
def.validateOperation(operation);
}
String name = DeploymentAttributes.REPLACE_DEPLOYMENT_ATTRIBUTES.get(NAME).resolveModelAttribute(context, operation).asString();
String toReplace = DeploymentAttributes.REPLACE_DEPLOYMENT_ATTRIBUTES.get(TO_REPLACE).resolveModelAttribute(context, operation).asString();
if (name.equals(toReplace)) {
throw ServerMessages.MESSAGES.cannotReplaceDeployment(OPERATION_NAME, NAME, TO_REPLACE,
DeploymentRedeployHandler.OPERATION_NAME, DeploymentFullReplaceHandler.OPERATION_NAME);
}
final PathElement deployPath = PathElement.pathElement(DEPLOYMENT, name);
final PathElement replacePath = PathElement.pathElement(DEPLOYMENT, toReplace);
final Resource root = context.readResource(PathAddress.EMPTY_ADDRESS);
if (! root.hasChild(replacePath)) {
throw ServerMessages.MESSAGES.noSuchDeployment(toReplace);
}
final ModelNode replaceNode = context.readResourceForUpdate(PathAddress.pathAddress(replacePath)).getModel();
final String replacedName = DeploymentAttributes.REPLACE_DEPLOYMENT_ATTRIBUTES.get(RUNTIME_NAME).resolveModelAttribute(context, replaceNode).asString();
ModelNode deployNode;
String runtimeName;
if (!root.hasChild(deployPath)) {
if (!operation.hasDefined(CONTENT)) {
throw ServerMessages.MESSAGES.noSuchDeployment(name);
}
// else -- the HostController handles a server group replace-deployment like an add, so we do too
final ModelNode content = operation.require(CONTENT);
// TODO: JBAS-9020: for the moment overlays are not supported, so there is a single content item
final ModelNode contentItemNode = content.require(0);
if (contentItemNode.hasDefined(HASH)) {
byte[] hash = contentItemNode.require(HASH).asBytes();
addFromHash(hash);
} else {
}
runtimeName = operation.hasDefined(RUNTIME_NAME) ? DeploymentAttributes.REPLACE_DEPLOYMENT_ATTRIBUTES.get(RUNTIME_NAME).resolveModelAttribute(context, operation).asString() : replacedName;
// Create the resource
final Resource deployResource = context.createResource(PathAddress.pathAddress(deployPath));
deployNode = deployResource.getModel();
deployNode.get(RUNTIME_NAME).set(runtimeName);
//TODO Assumes this can only be set by client
deployNode.get(ModelDescriptionConstants.PERSISTENT).set(true);
deployNode.get(CONTENT).set(content);
} else {
deployNode = context.readResourceForUpdate(PathAddress.pathAddress(deployPath)).getModel();
if (ENABLED.resolveModelAttribute(context, deployNode).asBoolean()) {
throw ServerMessages.MESSAGES.deploymentAlreadyStarted(toReplace);
}
runtimeName = deployNode.require(RUNTIME_NAME).asString();
}
deployNode.get(ENABLED.getName()).set(true);
replaceNode.get(ENABLED.getName()).set(false);
final DeploymentHandlerUtil.ContentItem[] contents = getContents(deployNode.require(CONTENT));
DeploymentHandlerUtil.replace(context, replaceNode, runtimeName, name, replacedName, vaultReader, contents);
context.stepCompleted();
}
protected void addFromHash(byte[] hash) throws OperationFailedException {
if (!contentRepository.syncContent(hash)) {
throw ServerMessages.MESSAGES.noSuchDeploymentContent(HashUtil.bytesToHexString(hash));
}
}
}
