Package com.cloud.utils.db

Examples of com.cloud.utils.db.GlobalLock.lock()

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        @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");
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    @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();
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    public void prepareSecondaryStorageStore(String storageUrl) {
        String mountPoint = getMountPoint(storageUrl);

        GlobalLock lock = GlobalLock.getInternLock("prepare.systemvm");
        try {
            if (lock.lock(3600)) {
                try {
                    File patchFolder = new File(mountPoint + "/systemvm");
                    if (!patchFolder.exists()) {
                        if (!patchFolder.mkdirs()) {
                            String msg = "Unable to create systemvm folder on secondary storage. location: " + patchFolder.toString();
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        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();
                    }
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        }
        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) {
                            }
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    @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) {
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        @Override
        public void run() {
            try {
                GlobalLock scanLock = GlobalLock.getInternLock("uploadmonitor.storageGC");
                try {
                    if (scanLock.lock(3)) {
                        try {
                            cleanupStorage();
                        } finally {
                            scanLock.unlock();
                        }
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        if (obj.getType() == DataObjectType.TEMPLATE && !isManaged()) {
            try {
                String templateIdPoolIdString = "templateId:" + obj.getId() + "poolId:" + getId();
                VMTemplateStoragePoolVO templateStoragePoolRef;
                GlobalLock lock = GlobalLock.getInternLock(templateIdPoolIdString);
                if (!lock.lock(5)) {
                    s_logger.debug("Couldn't lock the db on the string " + templateIdPoolIdString);
                    return null;
                }
                try {
                    templateStoragePoolRef = templatePoolDao.findByPoolTemplate(getId(), obj.getId());
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        // 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;
                    }
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            if (lock == null) {
                s_logger.debug("Couldn't get the global lock");
                return;
            }

            if (!lock.lock(30)) {
                s_logger.debug("Couldn't lock the db");
                return;
            }
            try {
                scanStalledVMInTransitionStateOnDisconnectedHosts();
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