Package com.cloud.utils.db

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

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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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        @Override
        public void run() {
            UserContext.registerContext(_accountMgr.getSystemUser().getId(), _accountMgr.getSystemAccount(), null, false);
            GlobalLock scanLock = GlobalLock.getInternLock("UserVMExpunge");
            try {
                if (scanLock.lock(ACQUIRE_GLOBAL_LOCK_TIMEOUT_FOR_COOPERATION)) {
                    try {
                        List<UserVmVO> vms = _vmDao.findDestroyedVms(new Date(
                                System.currentTimeMillis()
                                - ((long) _expungeDelay << 10)));
                        if (s_logger.isInfoEnabled()) {
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        while (retry) {
            GlobalLock deviceMapLock = GlobalLock.getInternLock("LoadBalancerAllocLock");
            Transaction txn = Transaction.currentTxn();
            try {
                if (deviceMapLock.lock(120)) {
                    try {
                        boolean dedicatedLB = offering.getDedicatedLB(); // does network offering supports a dedicated
// load balancer?
                        long lbDeviceId;
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    protected boolean freeLoadBalancerForNetwork(Network guestConfig) {
        Transaction txn = Transaction.currentTxn();
        GlobalLock deviceMapLock = GlobalLock.getInternLock("LoadBalancerAllocLock");

        try {
            if (deviceMapLock.lock(120)) {
                txn.start();
                // since network is shutdown remove the network mapping to the load balancer device
                NetworkExternalLoadBalancerVO networkLBDevice = _networkExternalLBDao.findByNetworkId(guestConfig.getId());
                long lbDeviceId = networkLBDevice.getExternalLBDeviceId();
                _networkExternalLBDao.remove(networkLBDevice.getId());
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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;
                }

                Transaction txn = null;
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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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    }

    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);
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        @Override
        protected void runInContext() {
            GlobalLock scanLock = GlobalLock.getInternLock("UserVMExpunge");
            try {
                if (scanLock.lock(ACQUIRE_GLOBAL_LOCK_TIMEOUT_FOR_COOPERATION)) {
                    try {
                        List<UserVmVO> vms = _vmDao.findDestroyedVms(new Date(
                                System.currentTimeMillis()
                                - ((long) _expungeDelay << 10)));
                        if (s_logger.isInfoEnabled()) {
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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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