/*
* Copyright 2016 JBoss by Red Hat.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jboss.as.server.deployment;
import static org.jboss.as.server.controller.resources.DeploymentAttributes.CONTENT_ARCHIVE;
import static org.jboss.as.server.controller.resources.DeploymentAttributes.CONTENT_HASH;
import static org.jboss.as.server.controller.resources.DeploymentAttributes.ENABLED;
import static org.jboss.as.server.deployment.DeploymentHandlerUtil.getContentItem;
import static org.jboss.as.server.deployment.DeploymentHandlerUtil.isArchive;
import static org.jboss.as.server.deployment.DeploymentHandlerUtil.isManaged;
import static org.jboss.as.server.deployment.DeploymentHandlerUtils.createFailureException;
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.ProcessType;
import org.jboss.as.controller.registry.Resource;
import org.jboss.as.repository.ContentRepository;
import org.jboss.as.repository.ExplodedContentException;
import org.jboss.as.server.logging.ServerLogger;
import org.jboss.dmr.ModelNode;
import static org.jboss.as.server.controller.resources.DeploymentAttributes.DEPLOYMENT_CONTENT_PATH;
/**
* Handler for the "explode" operation that can be performed against zipped managed content.
*
* @author Brian Stansberry
*/
public class DeploymentExplodeHandler implements OperationStepHandler {
private final ContentRepository contentRepository;
public DeploymentExplodeHandler(ContentRepository contentRepository) {
this.contentRepository = contentRepository;
}
@Override
public void execute(OperationContext context, ModelNode operation) throws OperationFailedException {
if (context.getProcessType() == ProcessType.SELF_CONTAINED) {
throw ServerLogger.ROOT_LOGGER.cannotExplodeDeploymentOfSelfContainedServer();
}
ModelNode explodedPath = DEPLOYMENT_CONTENT_PATH.resolveModelAttribute(context, operation);
Resource resource = context.readResourceForUpdate(PathAddress.EMPTY_ADDRESS);
ModelNode contentItem = getContentItem(resource);
// Validate this op is available
if (!isManaged(contentItem)) {
throw ServerLogger.ROOT_LOGGER.cannotExplodeUnmanagedDeployment();
}
if (!isArchive(contentItem) && !explodedPath.isDefined()) {
throw ServerLogger.ROOT_LOGGER.cannotExplodeAlreadyExplodedDeployment();
}
if (isArchive(contentItem) && explodedPath.isDefined()) {
throw ServerLogger.ROOT_LOGGER.cannotExplodeSubDeploymentOfUnexplodedDeployment();
}
ModelNode model = resource.getModel();
if (context.isNormalServer()) {
boolean enabled = ENABLED.resolveModelAttribute(context, model).asBoolean();
if (enabled) {
throw ServerLogger.ROOT_LOGGER.cannotExplodeEnabledDeployment();
}
}
byte[] oldHash = CONTENT_HASH.resolveModelAttribute(context, contentItem).asBytes();
byte[] newHash;
try {
if (explodedPath.isDefined()) {
newHash = contentRepository.explodeSubContent(oldHash, explodedPath.asString());
} else {
newHash = contentRepository.explodeContent(oldHash);
}
} catch (ExplodedContentException e) {
throw createFailureException(e.toString());
}
contentItem.get(CONTENT_HASH.getName()).set(newHash);
contentItem.get(CONTENT_ARCHIVE.getName()).set(false);
context.completeStep(new OperationContext.ResultHandler() {
@Override
public void handleResult(OperationContext.ResultAction resultAction, OperationContext context, ModelNode operation) {
if (resultAction == OperationContext.ResultAction.KEEP) {
PathAddress address = context.getCurrentAddress();
contentRepository.removeContent(ModelContentReference.fromModelAddress(address, oldHash));
contentRepository.addContentReference(ModelContentReference.fromModelAddress(context.getCurrentAddress(), newHash));
} // else the model update will be reverted and no ref content repo references changes will be made so
// the newly exploded content will be eligible for content repo gc
}
});
}
}