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- /*
- * SonarQube
- * Copyright (C) 2009-2021 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.spi.exception.RetryableHazelcastException;
- import java.util.Map;
- import java.util.Set;
- import java.util.UUID;
- import java.util.concurrent.locks.Lock;
- import org.picocontainer.Startable;
- import org.sonar.api.utils.log.Logger;
- import org.sonar.api.utils.log.Loggers;
- 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.core.util.stream.MoreCollectors.toSet;
- 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 = Loggers.get(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(toSet());
- }
-
- @Override
- public void broadcastWorkerUUIDs() {
- Set<CeWorker> workers = ceCeWorkerFactory.getWorkers();
- Set<String> workerUuids = workers.stream().map(CeWorker::getUUID).collect(toSet(workers.size()));
- 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 (RetryableHazelcastException e) {
- LOGGER.debug("Unable to remove worker UUID from the list of active workers", e.getMessage());
- }
- }
-
- private Map<UUID, Set<String>> getClusteredWorkerUUIDs() {
- return hazelcastMember.getReplicatedMap(WORKER_UUIDS);
- }
- }
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