Examples of GlobalLock


Examples of ariba.util.core.GlobalLock

        if (!canAutoRecycle(doWindowCheck)) {
            return;
        }
        // get Global lock and check if safeToRecycle
        GlobalLockingService service = GlobalLocking.getService();
        GlobalLock lock = null;
        try {
            lock = service.acquireLock(globalLockName);
            if (lock == null) {
                // do nothing. We will try to recycle later.
                Log.shutdown.debug("Could not acquire global lock");
                return;
            }
            // Iterate through all the agents
            // If any of them says not safe to recycle, just return aborting
            // the recycle
            for (int i = 0; i < agents.size(); i++) {
                RecycleIfc agent = (RecycleIfc)agents.get(i);
                if (agent.isSafeToRecycle() == false) {
                    Log.shutdown.debug("Auto recycle pending: waiting for agent: %s",
                                       agent);
                    return;
                }
            }
            // Since some agents can be long running, check again if we can auto recycle.
            if (!canAutoRecycle(doWindowCheck)) {
                return;
            }
            // Starting auto recycle shutdown.
            Log.shutdown.info(9831);
            ShutdownManager.setNodeStatus(ShutdownManager.StatusNodeAutoRecycle);
        }
        finally {
            if ( lock != null && lock.isValid()) {
                releaseLock(lock);
            }
        }

        for (int i = 0; i < agents.size(); i++) {
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Examples of com.cloud.utils.db.GlobalLock

    }

    @Override
    public void check() {
        GlobalLock lock = GlobalLock.getInternLock("DatabaseUpgrade");
        try {
            s_logger.info("Grabbing lock to check for database upgrade.");
            if (!lock.lock(20 * 60)) {
                throw new CloudRuntimeException("Unable to acquire lock to check for database integrity.");
            }

            try {
                String dbVersion = _dao.getCurrentVersion();
                String currentVersion = this.getClass().getPackage().getImplementationVersion();
                if (currentVersion == null) {
                    currentVersion = this.getClass().getSuperclass().getPackage().getImplementationVersion();
                }

                if ( currentVersion == null )
                  return;
               
                s_logger.info("DB version = " + dbVersion + " Code Version = " + currentVersion);

                if (Version.compare(Version.trimToPatch(dbVersion), Version.trimToPatch(currentVersion)) > 0) {
                    throw new CloudRuntimeException("Database version " + dbVersion + " is higher than management software version " + currentVersion);
                }

                if (Version.compare(Version.trimToPatch(dbVersion), Version.trimToPatch(currentVersion)) == 0) {
                    s_logger.info("DB version and code version matches so no upgrade needed.");
                    return;
                }

                upgrade(dbVersion, currentVersion);
            } finally {
                lock.unlock();
            }
        } finally {
            lock.releaseRef();
        }
    }
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Examples of com.cloud.utils.db.GlobalLock

        return new Pair<Long, Answer>(result.first(), result.second()[0]);
    }

    @Override
    public void cleanupStorage(boolean recurring) {
        GlobalLock scanLock = GlobalLock.getInternLock("storagemgr.cleanup");

        try {
            if (scanLock.lock(3)) {
                try {
                    // Cleanup primary storage pools
                    if (_templateCleanupEnabled) {
                        List<StoragePoolVO> storagePools = _storagePoolDao.listAll();
                        for (StoragePoolVO pool : storagePools) {
                            try {

                                List<VMTemplateStoragePoolVO> unusedTemplatesInPool = _tmpltMgr.getUnusedTemplatesInPool(pool);
                                s_logger.debug("Storage pool garbage collector found " + unusedTemplatesInPool.size() + " templates to clean up in storage pool: " + pool.getName());
                                for (VMTemplateStoragePoolVO templatePoolVO : unusedTemplatesInPool) {
                                    if (templatePoolVO.getDownloadState() != VMTemplateStorageResourceAssoc.Status.DOWNLOADED) {
                                        s_logger.debug("Storage pool garbage collector is skipping templatePoolVO with ID: " + templatePoolVO.getId() + " because it is not completely downloaded.");
                                        continue;
                                    }

                                    if (!templatePoolVO.getMarkedForGC()) {
                                        templatePoolVO.setMarkedForGC(true);
                                        _vmTemplatePoolDao.update(templatePoolVO.getId(), templatePoolVO);
                                        s_logger.debug("Storage pool garbage collector has marked templatePoolVO with ID: " + templatePoolVO.getId() + " for garbage collection.");
                                        continue;
                                    }

                                    _tmpltMgr.evictTemplateFromStoragePool(templatePoolVO);
                                }
                            } catch (Exception e) {
                                s_logger.warn("Problem cleaning up primary storage pool " + pool, e);
                            }
                        }
                    }

                    cleanupSecondaryStorage(recurring);

                    List<VolumeVO> vols = _volsDao.listVolumesToBeDestroyed();
                    for (VolumeVO vol : vols) {
                        try {
                            expungeVolume(vol, false);
                        } catch (Exception e) {
                            s_logger.warn("Unable to destroy " + vol.getId(), e);
                        }
                    }
                   
                    // remove snapshots in Error state
                    List<SnapshotVO> snapshots = _snapshotDao.listAllByStatus(Snapshot.Status.Error);
                    for (SnapshotVO snapshotVO : snapshots) {
                        try{
                            _snapshotDao.expunge(snapshotVO.getId());
                        }catch (Exception e) {
                            s_logger.warn("Unable to destroy " + snapshotVO.getId(), e);
                        }
                    }
                   
                } finally {
                    scanLock.unlock();
                }
            }
        } finally {
            scanLock.releaseRef();
        }
    }
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Examples of com.cloud.utils.db.GlobalLock

        public NetworkStatsUpdateTask() {
        }

        @Override
        public void run() {
            GlobalLock scanLock = GlobalLock.getInternLock("network.stats");
            try {
                if(scanLock.lock(ACQUIRE_GLOBAL_LOCK_TIMEOUT_FOR_COOPERATION)) {
                    //Check for ownership
                    //msHost in UP state with min id should run the job
                    ManagementServerHostVO msHost = _msHostDao.findOneInUpState(new Filter(ManagementServerHostVO.class, "id", true, 0L, 1L));
                    if(msHost == null || (msHost.getMsid() != mgmtSrvrId)){
                        s_logger.debug("Skipping aggregate network stats update");
                        scanLock.unlock();
                        return;
                    }
                    Transaction txn = Transaction.open(Transaction.CLOUD_DB);
                    try {
                        txn.start();
                        //get all stats with delta > 0
                        List<UserStatisticsVO> updatedStats = _statsDao.listUpdatedStats();
                        Date updatedTime = new Date();
                        for(UserStatisticsVO stat : updatedStats){
                            //update agg bytes                   
                            stat.setAggBytesReceived(stat.getCurrentBytesReceived() + stat.getNetBytesReceived());
                            stat.setAggBytesSent(stat.getCurrentBytesSent() + stat.getNetBytesSent());
                            _userStatsDao.update(stat.getId(), stat);
                            //insert into op_user_stats_log
                            UserStatsLogVO statsLog = new UserStatsLogVO(stat.getId(), stat.getNetBytesReceived(), stat.getNetBytesSent(), stat.getCurrentBytesReceived(),
                                                                         stat.getCurrentBytesSent(), stat.getAggBytesReceived(), stat.getAggBytesSent(), updatedTime);
                            _userStatsLogDao.persist(statsLog);
                        }
                        s_logger.debug("Successfully updated aggregate network stats");
                        txn.commit();
                    } catch (Exception e){
                        txn.rollback();
                        s_logger.debug("Failed to update aggregate network stats", e);
                    } finally {
                        scanLock.unlock();
                        txn.close();
                    }
                }
            } catch (Exception e){
                s_logger.debug("Exception while trying to acquire network stats lock", e);
            finally {
                scanLock.releaseRef();
            }
        }
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Examples of com.cloud.utils.db.GlobalLock

        }
        long storeId = store.getId();

        // add lock to make template sync for a data store only be done once
        String lockString = "volumesync.storeId:" + storeId;
        GlobalLock syncLock = GlobalLock.getInternLock(lockString);
        try {
            if ( syncLock.lock(3)){
                try {
                    Map<Long, TemplateProp> volumeInfos = listVolume(store);
                    if (volumeInfos == null) {
                        return;
                    }

                    List<VolumeDataStoreVO> dbVolumes = _volumeStoreDao.listByStoreId(storeId);
                    List<VolumeDataStoreVO> toBeDownloaded = new ArrayList<VolumeDataStoreVO>(dbVolumes);
                    for (VolumeDataStoreVO volumeStore : dbVolumes) {
                        VolumeVO volume = _volumeDao.findById(volumeStore.getVolumeId());
                        if (volume == null ){
                            s_logger.warn("Volume_store_ref shows that volume " + volumeStore.getVolumeId() + " is on image store " + storeId
                                    + ", but the volume is not found in volumes table, potentially some bugs in deleteVolume, so we just treat this volume to be deleted and mark it as destroyed");
                            volumeStore.setDestroyed(true);
                            _volumeStoreDao.update(volumeStore.getId(), volumeStore);
                            continue;
                        }
                        // Exists then don't download
                        if (volumeInfos.containsKey(volume.getId())) {
                            TemplateProp volInfo = volumeInfos.remove(volume.getId());
                            toBeDownloaded.remove(volumeStore);
                            s_logger.info("Volume Sync found " + volume.getUuid() + " already in the volume image store table");
                            if (volumeStore.getDownloadState() != Status.DOWNLOADED) {
                                volumeStore.setErrorString("");
                            }
                            if (volInfo.isCorrupted()) {
                                volumeStore.setDownloadState(Status.DOWNLOAD_ERROR);
                                String msg = "Volume " + volume.getUuid() + " is corrupted on image store ";
                                volumeStore.setErrorString(msg);
                                s_logger.info("msg");
                                if (volumeStore.getDownloadUrl() == null) {
                                    msg = "Volume (" + volume.getUuid() + ") with install path " + volInfo.getInstallPath()
                                            + "is corrupted, please check in image store: " + volumeStore.getDataStoreId();
                                    s_logger.warn(msg);
                                } else {
                                    s_logger.info("Removing volume_store_ref entry for corrupted volume " + volume.getName());
                                    _volumeStoreDao.remove(volumeStore.getId());
                                    toBeDownloaded.add(volumeStore);
                                }

                            } else { // Put them in right status
                                volumeStore.setDownloadPercent(100);
                                volumeStore.setDownloadState(Status.DOWNLOADED);
                                volumeStore.setState(ObjectInDataStoreStateMachine.State.Ready);
                                volumeStore.setInstallPath(volInfo.getInstallPath());
                                volumeStore.setSize(volInfo.getSize());
                                volumeStore.setPhysicalSize(volInfo.getPhysicalSize());
                                volumeStore.setLastUpdated(new Date());
                                _volumeStoreDao.update(volumeStore.getId(), volumeStore);

                                if (volume.getSize() == 0) {
                                    // Set volume size in volumes table
                                    volume.setSize(volInfo.getSize());
                                    _volumeDao.update(volumeStore.getVolumeId(), volume);
                                }

                                if (volInfo.getSize() > 0) {
                                    try {
                                        _resourceLimitMgr.checkResourceLimit(_accountMgr.getAccount(volume.getAccountId()),
                                                com.cloud.configuration.Resource.ResourceType.secondary_storage, volInfo.getSize()
                                                - volInfo.getPhysicalSize());
                                    } catch (ResourceAllocationException e) {
                                        s_logger.warn(e.getMessage());
                                        _alertMgr.sendAlert(AlertManager.ALERT_TYPE_RESOURCE_LIMIT_EXCEEDED,
                                                volume.getDataCenterId(), volume.getPodId(), e.getMessage(), e.getMessage());
                                    } finally {
                                        _resourceLimitMgr.recalculateResourceCount(volume.getAccountId(), volume.getDomainId(),
                                                com.cloud.configuration.Resource.ResourceType.secondary_storage.getOrdinal());
                                    }
                                }
                            }
                            continue;
                        }
                        // Volume is not on secondary but we should download.
                        if (volumeStore.getDownloadState() != Status.DOWNLOADED) {
                            s_logger.info("Volume Sync did not find " + volume.getName() + " ready on image store " + storeId
                                    + ", will request download to start/resume shortly");
                            toBeDownloaded.add(volumeStore);
                        }
                    }

                    // Download volumes which haven't been downloaded yet.
                    if (toBeDownloaded.size() > 0) {
                        for (VolumeDataStoreVO volumeHost : toBeDownloaded) {
                            if (volumeHost.getDownloadUrl() == null) { // If url is null we
                                s_logger.info("Skip downloading volume " + volumeHost.getVolumeId() + " since no download url is specified.");
                                continue;
                            }
                            s_logger.debug("Volume " + volumeHost.getVolumeId() + " needs to be downloaded to " + store.getName());
                            // TODO: pass a callback later
                            VolumeInfo vol = volFactory.getVolume(volumeHost.getVolumeId());
                            createVolumeAsync(vol, store);
                        }
                    }

                    // Delete volumes which are not present on DB.
                    for (Long uniqueName : volumeInfos.keySet()) {
                        TemplateProp tInfo = volumeInfos.get(uniqueName);

                        //we cannot directly call expungeVolumeAsync here to
                        // reuse delete logic since in this case, our db does not have
                        // this template at all.
                        VolumeObjectTO tmplTO = new VolumeObjectTO();
                        tmplTO.setDataStore(store.getTO());
                        tmplTO.setPath(tInfo.getInstallPath());
                        tmplTO.setId(tInfo.getId());
                        DeleteCommand dtCommand = new DeleteCommand(tmplTO);
                        EndPoint ep = _epSelector.select(store);
                        Answer answer = ep.sendMessage(dtCommand);
                        if (answer == null || !answer.getResult()) {
                            s_logger.info("Failed to deleted volume at store: " + store.getName());

                        } else {
                            String description = "Deleted volume " + tInfo.getTemplateName() + " on secondary storage " + storeId;
                            s_logger.info(description);
                        }
                    }
                }
                finally{
                    syncLock.unlock();
                }
            }
            else {
                s_logger.info("Couldn't get global lock on " + lockString + ", another thread may be doing volume sync on data store " + storeId + " now.");
            }
        } finally {
            syncLock.releaseRef();
        }
    }
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Examples of com.cloud.utils.db.GlobalLock

        public NetworkStatsUpdateTask() {
        }

        @Override
        public void run() {
            GlobalLock scanLock = GlobalLock.getInternLock("network.stats");
            try {
                if(scanLock.lock(ACQUIRE_GLOBAL_LOCK_TIMEOUT_FOR_COOPERATION)) {
                    //Check for ownership
                    //msHost in UP state with min id should run the job
                    ManagementServerHostVO msHost = _msHostDao.findOneInUpState(new Filter(ManagementServerHostVO.class, "id", true, 0L, 1L));
                    if(msHost == null || (msHost.getMsid() != mgmtSrvrId)){
                        s_logger.debug("Skipping aggregate network stats update");
                        scanLock.unlock();
                        return;
                    }
                    Transaction txn = Transaction.open(Transaction.CLOUD_DB);
                    try {
                        txn.start();
                        //get all stats with delta > 0
                        List<UserStatisticsVO> updatedStats = _userStatsDao.listUpdatedStats();
                        Date updatedTime = new Date();
                        for(UserStatisticsVO stat : updatedStats){
                            //update agg bytes                   
                            stat.setAggBytesReceived(stat.getCurrentBytesReceived() + stat.getNetBytesReceived());
                            stat.setAggBytesSent(stat.getCurrentBytesSent() + stat.getNetBytesSent());
                            _userStatsDao.update(stat.getId(), stat);
                            //insert into op_user_stats_log
                            UserStatsLogVO statsLog = new UserStatsLogVO(stat.getId(), stat.getNetBytesReceived(), stat.getNetBytesSent(), stat.getCurrentBytesReceived(),
                                                                         stat.getCurrentBytesSent(), stat.getAggBytesReceived(), stat.getAggBytesSent(), updatedTime);
                            _userStatsLogDao.persist(statsLog);
                        }
                        s_logger.debug("Successfully updated aggregate network stats");
                        txn.commit();
                    } catch (Exception e){
                        txn.rollback();
                        s_logger.debug("Failed to update aggregate network stats", e);
                    } finally {
                        scanLock.unlock();
                        txn.close();
                    }
                }
            } catch (Exception e){
                s_logger.debug("Exception while trying to acquire network stats lock", e);
            finally {
                scanLock.releaseRef();
            }
        }
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Examples of com.cloud.utils.db.GlobalLock

    protected class CacheReplacementRunner implements Runnable {

        @Override
        public void run() {
            GlobalLock replacementLock = null;
            try {
                replacementLock = GlobalLock.getInternLock("storageCacheMgr.replacement");
                if (replacementLock.lock(3)) {
                    List<DataStore> stores = getCacheStores();
                    Collections.shuffle(stores);
                    DataObject object = null;
                    DataStore findAStore = null;
                    for (DataStore store : stores) {
                        object = cacheReplacementAlgorithm.chooseOneToBeReplaced(store);
                        findAStore = store;
                        if (object != null) {
                            break;
                        }
                    }

                    if (object == null) {
                        return;
                    }

                    while(object != null) {
                        object.delete();
                        object = cacheReplacementAlgorithm.chooseOneToBeReplaced(findAStore);
                    }
                }
            } catch (Exception e) {
                s_logger.debug("Failed to execute CacheReplacementRunner: " + e.toString());
            } finally {
                if (replacementLock != null) {
                    replacementLock.unlock();
                }
            }
        }
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Examples of com.cloud.utils.db.GlobalLock

    private String getAllocProxyLockName() {
        return "consoleproxy.alloc";
    }

    private void prepareDefaultCertificate() {
        GlobalLock lock = GlobalLock.getInternLock("consoleproxy.cert.setup");
        try {
            if (lock.lock(ACQUIRE_GLOBAL_LOCK_TIMEOUT_FOR_SYNC)) {
                KeystoreVO ksVo = _ksDao.findByName(CERTIFICATE_NAME);
                if (ksVo == null) {
                    _ksDao.save(CERTIFICATE_NAME, ConsoleProxyVO.certContent, ConsoleProxyVO.keyContent, "realhostip.com");
                    KeystoreVO caRoot = new KeystoreVO();
                    caRoot.setCertificate(ConsoleProxyVO.rootCa);
                    caRoot.setDomainSuffix("realhostip.com");
                    caRoot.setName("root");
                    caRoot.setIndex(0);
                    _ksDao.persist(caRoot);
                }
                lock.unlock();
            }
        } finally {
            lock.releaseRef();
        }
    }
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Examples of com.cloud.utils.db.GlobalLock

            secStorageVmFromStoppedPool = true;
        }

        if (secStorageVm != null) {
            long secStorageVmId = secStorageVm.getId();
            GlobalLock secStorageVmLock = GlobalLock.getInternLock(getSecStorageVmLockName(secStorageVmId));
            try {
                if (secStorageVmLock.lock(ACQUIRE_GLOBAL_LOCK_TIMEOUT_FOR_SYNC)) {
                    try {
                        secStorageVm = startSecStorageVm(secStorageVmId);
                    } finally {
                        secStorageVmLock.unlock();
                    }
                } else {
                    if (s_logger.isInfoEnabled()) {
                        s_logger.info("Unable to acquire synchronization lock to start secStorageVm for standby capacity, secStorageVm vm id : " + secStorageVm.getId());
                    }
                    return;
                }
            } finally {
                secStorageVmLock.releaseRef();
            }

            if (secStorageVm == null) {
                if (s_logger.isInfoEnabled()) {
                    s_logger.info("Unable to start secondary storage vm for standby capacity, secStorageVm vm Id : " + secStorageVmId + ", will recycle it and start a new one");
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Examples of com.cloud.utils.db.GlobalLock

            }
            return false;
        }
        try {
            if (secStorageVm.getHostId() != null) {
                GlobalLock secStorageVmLock = GlobalLock.getInternLock(getSecStorageVmLockName(secStorageVm.getId()));
                try {
                    if (secStorageVmLock.lock(ACQUIRE_GLOBAL_LOCK_TIMEOUT_FOR_SYNC)) {
                        try {
                            boolean result = _itMgr.stop(secStorageVm, _accountMgr.getSystemUser(), _accountMgr.getSystemAccount());
                            if (result) {
                            }

                            return result;
                        } finally {
                            secStorageVmLock.unlock();
                        }
                    } else {
                        String msg = "Unable to acquire secondary storage vm lock : " + secStorageVm.toString();
                        s_logger.debug(msg);
                        return false;
                    }
                } finally {
                    secStorageVmLock.releaseRef();
                }
            }

            // vm was already stopped, return true
            return true;
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