org.jboss.as.domain.controller.operations.ProfileDescribeHandler Maven / Gradle / Ivy
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* 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.
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* 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.domain.controller.operations;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.FAILURE_DESCRIPTION;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.INCLUDES;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.OP;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.OP_ADDR;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.PROFILE;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.RESULT;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.SUBSYSTEM;
import java.util.Collections;
import java.util.EnumSet;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.atomic.AtomicReference;
import org.jboss.as.controller.ControllerMessages;
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.access.Action;
import org.jboss.as.controller.access.AuthorizationResult;
import org.jboss.as.controller.registry.ImmutableManagementResourceRegistration;
import org.jboss.as.controller.registry.Resource;
import org.jboss.dmr.ModelNode;
/**
* Outputs the profile as a series of operations needed to construct the profile
*
* @author Kabir Khan
* @version $Revision: 1.1 $
*/
public class ProfileDescribeHandler implements OperationStepHandler {
public static final ProfileDescribeHandler INSTANCE = new ProfileDescribeHandler();
private static final Set DESCRIBE_EFFECTS =
Collections.unmodifiableSet(EnumSet.of(Action.ActionEffect.ADDRESS, Action.ActionEffect.READ_CONFIG));
private ProfileDescribeHandler() {
}
@Override
public void execute(OperationContext context, ModelNode operation) throws OperationFailedException {
final String opName = operation.require(OP).asString();
final PathAddress address = PathAddress.pathAddress(operation.require(OP_ADDR));
AuthorizationResult authResult = context.authorize(operation, DESCRIBE_EFFECTS);
if (authResult.getDecision() != AuthorizationResult.Decision.PERMIT) {
throw ControllerMessages.MESSAGES.unauthorized(opName, address, authResult.getExplanation());
}
final ModelNode result = new ModelNode();
final ModelNode profile = Resource.Tools.readModel(context.readResource(PathAddress.EMPTY_ADDRESS));
result.setEmptyList();
final ImmutableManagementResourceRegistration registry = context.getResourceRegistration();
final AtomicReference failureRef = new AtomicReference();
final ModelNode subsystemResults = new ModelNode().setEmptyList();
final Map includeResults = new HashMap();
// Add a step at end to assemble all the data
// Add steps in the reverse of expected order, as Stage.IMMEDIATE adds to the top of the list
context.addStep(new OperationStepHandler() {
@Override
public void execute(OperationContext context, ModelNode operation) throws OperationFailedException {
boolean failed = false;
if (failureRef.get() != null) {
// One of our subsystems failed
context.getFailureDescription().set(failureRef.get());
failed = true;
} else {
for (ModelNode includeRsp : includeResults.values()) {
if (includeRsp.hasDefined(FAILURE_DESCRIPTION)) {
context.getFailureDescription().set(includeRsp.get(FAILURE_DESCRIPTION));
failed = true;
break;
}
ModelNode includeResult = includeRsp.get(RESULT);
if (includeResult.isDefined()) {
for (ModelNode op : includeResult.asList()) {
result.add(op);
}
}
}
}
if (!failed) {
for (ModelNode subsysRsp : subsystemResults.asList()) {
result.add(subsysRsp);
}
context.getResult().set(result);
}
context.stepCompleted();
}
}, OperationContext.Stage.MODEL, true);
if (profile.hasDefined(SUBSYSTEM)) {
for (final String subsystemName : profile.get(SUBSYSTEM).keys()) {
final ModelNode subsystemRsp = new ModelNode();
PathElement pe = PathElement.pathElement(SUBSYSTEM, subsystemName);
PathAddress fullAddress = address.append(pe);
final ModelNode subsystemAddress = fullAddress.toModelNode();
final ModelNode newOp = operation.clone();
newOp.get(OP_ADDR).set(subsystemAddress);
PathAddress relativeAddress = PathAddress.pathAddress(pe);
OperationStepHandler subsysHandler = registry.getOperationHandler(relativeAddress, opName);
if (subsysHandler == null) {
String errMsg;
ImmutableManagementResourceRegistration child = registry.getSubModel(relativeAddress);
if (child == null) {
errMsg = ControllerMessages.MESSAGES.noSuchResourceType(fullAddress);
} else {
errMsg = ControllerMessages.MESSAGES.noHandlerForOperation(opName, fullAddress);
}
throw new OperationFailedException(new ModelNode(errMsg));
}
// Step to store subsystem ops in overall list
context.addStep(new OperationStepHandler() {
@Override
public void execute(OperationContext context, ModelNode operation) throws OperationFailedException {
if (failureRef.get() == null) {
if (subsystemRsp.hasDefined(FAILURE_DESCRIPTION)) {
failureRef.set(subsystemRsp.get(FAILURE_DESCRIPTION));
} else if (subsystemRsp.hasDefined(RESULT)) {
for (ModelNode op : subsystemRsp.require(RESULT).asList()) {
subsystemResults.add(op);
}
}
}
context.stepCompleted();
}
}, OperationContext.Stage.MODEL, true);
// Step to determine subsystem ops
context.addStep(subsystemRsp, newOp, subsysHandler, OperationContext.Stage.MODEL, true);
}
}
if (profile.hasDefined(INCLUDES)) {
// Call this op for each included profile
for (ModelNode include : profile.get(INCLUDES).asList()) {
final String includeName = include.asString();
final ModelNode includeRsp = new ModelNode();
includeResults.put(includeName, includeRsp);
final ModelNode includeAddress = address.subAddress(0, address.size() - 1).append(PathElement.pathElement(PROFILE, includeName)).toModelNode();
final ModelNode newOp = operation.clone();
newOp.get(OP_ADDR).set(includeAddress);
context.addStep(includeRsp, newOp, INSTANCE, OperationContext.Stage.MODEL, true);
}
}
context.stepCompleted();
}
}
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