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/*
* SonarQube
* Copyright (C) 2009-2025 SonarSource SA
* mailto:info AT sonarsource DOT com
*
* This program 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 3 of the License, or (at your option) any later version.
*
* This program 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 program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package org.sonar.ce;
import com.hazelcast.core.HazelcastInstanceNotActiveException;
import com.hazelcast.spi.exception.RetryableHazelcastException;
import java.util.Map;
import java.util.Set;
import java.util.UUID;
import java.util.concurrent.locks.Lock;
import java.util.stream.Collectors;
import org.sonar.api.Startable;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.sonar.ce.taskprocessor.CeWorker;
import org.sonar.ce.taskprocessor.CeWorkerFactory;
import org.sonar.process.cluster.hz.HazelcastMember;
import org.sonar.process.cluster.hz.HazelcastObjects;
import static org.sonar.process.cluster.hz.HazelcastObjects.WORKER_UUIDS;
/**
* Provide the set of worker's UUID in a clustered SonarQube instance
*/
public class CeDistributedInformationImpl implements CeDistributedInformation, Startable {
private static final Logger LOGGER = LoggerFactory.getLogger(CeDistributedInformationImpl.class);
private final HazelcastMember hazelcastMember;
private final CeWorkerFactory ceCeWorkerFactory;
public CeDistributedInformationImpl(HazelcastMember hazelcastMember, CeWorkerFactory ceCeWorkerFactory) {
this.hazelcastMember = hazelcastMember;
this.ceCeWorkerFactory = ceCeWorkerFactory;
}
@Override
public Set<String> getWorkerUUIDs() {
Set<UUID> connectedWorkerUUIDs = hazelcastMember.getMemberUuids();
return getClusteredWorkerUUIDs().entrySet().stream()
.filter(e -> connectedWorkerUUIDs.contains(e.getKey()))
.map(Map.Entry::getValue)
.flatMap(Set::stream)
.collect(Collectors.toSet());
}
@Override
public void broadcastWorkerUUIDs() {
Set<CeWorker> workers = ceCeWorkerFactory.getWorkers();
Set<String> workerUuids = workers.stream().map(CeWorker::getUUID).collect(Collectors.toSet());
getClusteredWorkerUUIDs().put(hazelcastMember.getUuid(), workerUuids);
}
@Override
public Lock acquireCleanJobLock() {
return hazelcastMember.getLock(HazelcastObjects.CE_CLEANING_JOB_LOCK);
}
@Override
public void start() {
// Nothing to do here
}
@Override
public void stop() {
try {
// Removing the worker UUIDs
getClusteredWorkerUUIDs().remove(hazelcastMember.getUuid());
} catch (HazelcastInstanceNotActiveException | RetryableHazelcastException e) {
LOGGER.debug("Hazelcast is not active anymore", e);
}
}
private Map<UUID, Set<String>> getClusteredWorkerUUIDs() {
return hazelcastMember.getReplicatedMap(WORKER_UUIDS);
}
}
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