/*
* JBoss, Home of Professional Open Source.
* Copyright 2012, 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.plan;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.FAILED;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.FAILURE_DESCRIPTION;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.OP;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.OUTCOME;
import java.security.PrivilegedAction;
import java.util.List;
import javax.security.auth.Subject;
import org.jboss.as.controller.AccessAuditContext;
import org.jboss.as.controller.BlockingTimeout;
import org.jboss.as.controller.logging.ControllerLogger;
import org.jboss.as.controller.remote.BlockingQueueOperationListener;
import org.jboss.as.controller.remote.TransactionalProtocolClient;
import org.jboss.as.controller.transform.OperationResultTransformer;
import org.jboss.as.domain.controller.ServerIdentity;
import org.jboss.as.domain.controller.logging.DomainControllerLogger;
import org.jboss.dmr.ModelNode;
/**
* Task responsible for updating a single server-group.
*
* @author Emanuel Muckenhuber
*/
// TODO cleanup ServerGroupRolloutTask vs. ServerUpdateTask vs. Concurrent/RollingUpdateTask
abstract class AbstractServerGroupRolloutTask implements Runnable {
protected final List<ServerUpdateTask> tasks;
protected final ServerUpdatePolicy updatePolicy;
protected final ServerTaskExecutor executor;
protected final Subject subject;
protected final BlockingTimeout blockingTimeout;
public AbstractServerGroupRolloutTask(List<ServerUpdateTask> tasks, ServerUpdatePolicy updatePolicy, ServerTaskExecutor executor, Subject subject, BlockingTimeout blockingTimeout) {
this.tasks = tasks;
this.updatePolicy = updatePolicy;
this.executor = executor;
this.subject = subject;
this.blockingTimeout = blockingTimeout;
}
@Override
public void run() {
try {
// TODO Elytron Revisit and use the Elytron SecurityIdentity instead.
AccessAuditContext.doAs(null, null, new PrivilegedAction<Void>() {
@Override
public Void run() {
execute();
return null;
}
});
} catch (Throwable t) {
DomainControllerLogger.HOST_CONTROLLER_LOGGER.debugf(t, "failed to process task %s", tasks.iterator().next().getOperation());
}
}
/**
* Execute the the rollout task.
*/
protected abstract void execute();
/**
* Record a prepared operation.
*
* @param identity the server identity
* @param prepared the prepared operation
*/
protected void recordPreparedOperation(final ServerIdentity identity, final TransactionalProtocolClient.PreparedOperation<ServerTaskExecutor.ServerOperation> prepared) {
final ModelNode preparedResult = prepared.getPreparedResult();
// Hmm do the server results need to get translated as well as the host one?
// final ModelNode transformedResult = prepared.getOperation().transformResult(preparedResult);
updatePolicy.recordServerResult(identity, preparedResult);
executor.recordPreparedOperation(prepared);
}
@Override
public String toString() {
return getClass().getSimpleName() + "{server-group=" + updatePolicy.getServerGroupName() + "}";
}
void handlePreparePhaseTimeout(ServerIdentity identity, ServerUpdateTask task, long timeout) {
blockingTimeout.proxyTimeoutDetected(identity.toPathAddress());
// Record a synthetic prepared result so the timeout can impact the updatePolicy and
// possibly trigger a ServerRequestRestartTask if the overall rollout isn't rolled back
final ServerTaskExecutor.ServerOperation serverOperation = new ServerTaskExecutor.ServerOperation(identity, task.getOperation(), null, null, OperationResultTransformer.ORIGINAL_RESULT);
final String failureMsg = ControllerLogger.ROOT_LOGGER.proxiedOperationTimedOut(task.getOperation().get(OP).asString(), identity.toPathAddress(), timeout);
final ModelNode failureNode = new ModelNode();
failureNode.get(OUTCOME).set(FAILED);
failureNode.get(FAILURE_DESCRIPTION).set(failureMsg);
final BlockingQueueOperationListener.FailedOperation<ServerTaskExecutor.ServerOperation> prepared =
new BlockingQueueOperationListener.FailedOperation<>(serverOperation, failureNode, true);
final ModelNode preparedResult = prepared.getPreparedResult();
updatePolicy.recordServerResult(identity, preparedResult);
executor.recordOperationPrepareTimeout(prepared);
}
}