Examples with EngineLock org.ovirt.engine.core.utils.lock.EngineLock used on opensource projects

Example 1 with EngineLock

use of org.ovirt.engine.core.utils.lock.EngineLock in project ovirt-engine by oVirt.

the class IrsProxy method hostsStorageConnectionsAndPoolMetadataRefresh.

@OnTimerMethodAnnotation("hostsStorageConnectionsAndPoolMetadataRefresh")
public void hostsStorageConnectionsAndPoolMetadataRefresh() {
    Map<Guid, Guid> reportsToHandle = procceedReportsThreatmenet();
    if (reportsToHandle.isEmpty()) {
        return;
    }
    List<Callable<Void>> connectStorageTasks = new ArrayList<>();
    final List<Callable<Void>> refreshStoragePoolTasks = new ArrayList<>();
    final StoragePool storagePool = storagePoolDao.get(storagePoolId);
    final Guid masterDomainId = storageDomainDao.getMasterStorageDomainIdForPool(storagePoolId);
    final List<StoragePoolIsoMap> storagePoolIsoMap = storagePoolIsoMapDao.getAllForStoragePool(storagePoolId);
    Map<String, Pair<String, String>> acquiredLocks = new HashMap<>();
    try {
        for (Map.Entry<Guid, Guid> entry : reportsToHandle.entrySet()) {
            Guid vdsId = entry.getKey();
            Guid currentReportId = entry.getValue();
            vdsHandeledReportsOnUnseenDomains.put(vdsId, currentReportId);
            Map<String, Pair<String, String>> lockMap = Collections.singletonMap(vdsId.toString(), new Pair<>(LockingGroup.VDS_POOL_AND_STORAGE_CONNECTIONS.toString(), EngineMessage.ACTION_TYPE_FAILED_OBJECT_LOCKED.toString()));
            EngineLock engineLock = new EngineLock(lockMap, null);
            if (!lockManager.acquireLock(engineLock).getFirst()) {
                log.info("Failed to acquire lock to refresh storage connection and pool metadata for host '{}', skipping it", vdsId);
                continue;
            }
            final VDS vds = vdsDao.get(entry.getKey());
            if (vds.getStatus() != VDSStatus.Up) {
                log.info("Skipping storage connection and pool metadata information for host '{}' as it's no longer in status UP", vdsId);
                lockManager.releaseLock(engineLock);
                continue;
            }
            acquiredLocks.putAll(lockMap);
            connectStorageTasks.add(() -> {
                getEventListener().connectHostToDomainsInActiveOrUnknownStatus(vds);
                return null;
            });
            refreshStoragePoolTasks.add(() -> {
                storagePoolDomainHelper.refreshHostPoolMetadata(vds, storagePool, masterDomainId, storagePoolIsoMap);
                return null;
            });
        }
        final Set<String> handledHosts = acquiredLocks.keySet();
        log.info("Running storage connections refresh for hosts '{}'", handledHosts);
        ThreadPoolUtil.invokeAll(connectStorageTasks);
        log.info("Submitting to the event queue pool refresh for hosts '{}'", handledHosts);
        getEventQueue().submitEventSync(new Event(storagePoolId, null, null, EventType.POOLREFRESH, ""), () -> {
            log.info("Running storage pool metadata refresh for hosts '{}'", handledHosts);
            ThreadPoolUtil.invokeAll(refreshStoragePoolTasks);
            return new EventResult(true, EventType.POOLREFRESH);
        });
    } finally {
        if (!acquiredLocks.isEmpty()) {
            lockManager.releaseLock(new EngineLock(acquiredLocks, null));
        }
    }
}

Example 2 with EngineLock

use of org.ovirt.engine.core.utils.lock.EngineLock in project ovirt-engine by oVirt.

the class GlusterAsyncCommandBase method releaseVolumeLock.

protected void releaseVolumeLock() {
    EngineLock lock = new EngineLock(getExclusiveLocks(), getSharedLocks());
    setLock(lock);
    freeLock();
}

Example 3 with EngineLock

use of org.ovirt.engine.core.utils.lock.EngineLock in project ovirt-engine by oVirt.

the class GlusterJob method acquireVolumeSnapshotLock.

protected EngineLock acquireVolumeSnapshotLock(Guid id) {
    EngineLock lock = new EngineLock(Collections.singletonMap(id.toString(), LockMessagesMatchUtil.makeLockingPair(LockingGroup.GLUSTER_SNAPSHOT, EngineMessage.ACTION_TYPE_FAILED_VOLUME_SNAPSHOT_LOCKED)), null);
    lockManager.acquireLockWait(lock);
    return lock;
}

Example 4 with EngineLock

use of org.ovirt.engine.core.utils.lock.EngineLock in project ovirt-engine by oVirt.

the class CreateGlusterVolumeSnapshotCommand method pauseAndCreateSnapshotForGeoRepSessions.

private boolean pauseAndCreateSnapshotForGeoRepSessions() {
    if (georepSessions != null && georepSessions.size() > 0) {
        for (GlusterGeoRepSession session : georepSessions) {
            final GlusterVolumeEntity slaveVolume = glusterVolumeDao.getById(session.getSlaveVolumeId());
            if (slaveVolume == null) {
                // Continue to other geo-rep sessions and pause them for snapshot purpose
                continue;
            }
            VDS slaveUpServer = glusterUtil.getRandomUpServer(slaveVolume.getClusterId());
            if (slaveUpServer == null) {
                handleVdsError(AuditLogType.GLUSTER_VOLUME_SNAPSHOT_CREATE_FAILED, "No up server found in slave cluster of geo-rep session");
                setSucceeded(false);
                return false;
            }
            // Pause the geo-rep session if required
            if (!(session.getStatus() == GeoRepSessionStatus.CREATED || session.getStatus() == GeoRepSessionStatus.PAUSED || session.getStatus() == GeoRepSessionStatus.STOPPED)) {
                ActionReturnValue sessionPauseRetVal = null;
                try (EngineLock lock = acquireEngineLock(slaveVolume.getId(), LockingGroup.GLUSTER_SNAPSHOT)) {
                    sessionPauseRetVal = runInternalAction(ActionType.PauseGlusterVolumeGeoRepSession, new GlusterVolumeGeoRepSessionParameters(getGlusterVolumeId(), session.getId()));
                }
                if (sessionPauseRetVal != null && !sessionPauseRetVal.getSucceeded()) {
                    handleVdsErrors(AuditLogType.GLUSTER_VOLUME_GEO_REP_PAUSE_FAILED, sessionPauseRetVal.getExecuteFailedMessages());
                    setSucceeded(false);
                    return false;
                }
                session.setStatus(GeoRepSessionStatus.PAUSED);
                enginePausedSessions.add(session);
            }
            // Create snapshot for slave volume
            VDSReturnValue snapCreationRetVal = runVdsCommand(VDSCommandType.CreateGlusterVolumeSnapshot, new CreateGlusterVolumeSnapshotVDSParameters(slaveUpServer.getId(), session.getSlaveVolumeName(), snapshot.getSnapshotName(), snapshot.getDescription(), force));
            if (!snapCreationRetVal.getSucceeded()) {
                handleVdsError(AuditLogType.GLUSTER_VOLUME_SNAPSHOT_CREATE_FAILED, snapCreationRetVal.getVdsError().getMessage());
                setSucceeded(false);
                return false;
            } else {
                // Persist the snapshot details
                GlusterVolumeSnapshotEntity slaveVolumeSnapshot = (GlusterVolumeSnapshotEntity) snapCreationRetVal.getReturnValue();
                slaveVolumeSnapshot.setClusterId(slaveVolume.getClusterId());
                slaveVolumeSnapshot.setVolumeId(slaveVolume.getId());
                slaveVolumeSnapshot.setDescription(snapshot.getDescription());
                slaveVolumeSnapshot.setStatus(GlusterSnapshotStatus.DEACTIVATED);
                glusterVolumeSnapshotDao.save(slaveVolumeSnapshot);
                // check if the snapshot soft limit reached now for the volume and alert
                glusterUtil.alertVolumeSnapshotLimitsReached(slaveVolume);
            }
        }
    }
    return true;
}

Example 5 with EngineLock

use of org.ovirt.engine.core.utils.lock.EngineLock in project ovirt-engine by oVirt.

the class DeleteAllGlusterVolumeSnapshotsCommand method executeCommand.

@Override
public void executeCommand() {
    if (georepSessions != null) {
        for (GlusterGeoRepSession session : georepSessions) {
            GlusterVolumeEntity slaveVolume = glusterVolumeDao.getById(session.getSlaveVolumeId());
            if (slaveVolume == null) {
                // continue with other sessions and try to pause
                continue;
            }
            VDS slaveUpServer = glusterUtil.getRandomUpServer(slaveVolume.getClusterId());
            if (slaveUpServer == null) {
                handleVdsError(AuditLogType.GLUSTER_VOLUME_ALL_SNAPSHOTS_DELETE_FAILED, EngineError.NoUpServerFoundInRemoteCluster.name());
                setSucceeded(false);
                return;
            }
            List<GlusterVolumeSnapshotEntity> slaveVolumeSnapshots = glusterVolumeSnapshotDao.getAllByVolumeId(slaveVolume.getId());
            try (EngineLock lock = acquireEngineLock(session.getSlaveVolumeId(), LockingGroup.GLUSTER_SNAPSHOT)) {
                if (!deleteAllGlusterVolumeSnapshots(slaveUpServer.getId(), slaveVolume.getName(), slaveVolumeSnapshots)) {
                    return;
                }
                // Check and remove soft limit alert for the volume
                glusterUtil.checkAndRemoveVolumeSnapshotLimitsAlert(slaveVolume);
            }
        }
    }
    deleteAllGlusterVolumeSnapshots(getUpServer().getId(), getGlusterVolumeName(), snapshots);
    // Check and remove soft limit alert for the volume
    glusterUtil.checkAndRemoveVolumeSnapshotLimitsAlert(getGlusterVolume());
}