Examples with UploadVO com.cloud.storage.UploadVO used on opensource projects

Example 11 with UploadVO

use of com.cloud.storage.UploadVO in project cloudstack by apache.

the class SecondaryStorageManagerImpl method allocCapacity.

private void allocCapacity(long dataCenterId, SecondaryStorageVm.Role role) {
    if (s_logger.isTraceEnabled()) {
        s_logger.trace("Allocate secondary storage vm standby capacity for data center : " + dataCenterId);
    }
    if (!isSecondaryStorageVmRequired(dataCenterId)) {
        if (s_logger.isDebugEnabled()) {
            s_logger.debug("Secondary storage vm not required in zone " + dataCenterId + " according to zone config");
        }
        return;
    }
    SecondaryStorageVmVO secStorageVm = null;
    String errorString = null;
    try {
        boolean secStorageVmFromStoppedPool = false;
        secStorageVm = assignSecStorageVmFromStoppedPool(dataCenterId, role);
        if (secStorageVm == null) {
            if (s_logger.isInfoEnabled()) {
                s_logger.info("No stopped secondary storage vm is available, need to allocate a new secondary storage vm");
            }
            if (_allocLock.lock(ACQUIRE_GLOBAL_LOCK_TIMEOUT_FOR_SYNC)) {
                try {
                    secStorageVm = startNew(dataCenterId, role);
                    for (UploadVO upload : _uploadDao.listAll()) {
                        _uploadDao.expunge(upload.getId());
                    }
                } finally {
                    _allocLock.unlock();
                }
            } else {
                if (s_logger.isInfoEnabled()) {
                    s_logger.info("Unable to acquire synchronization lock for secondary storage vm allocation, wait for next scan");
                }
                return;
            }
        } else {
            if (s_logger.isInfoEnabled()) {
                s_logger.info("Found a stopped secondary storage vm, starting it. Vm id : " + secStorageVm.getId());
            }
            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 for starting secondary storage 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, vm id : " + secStorageVmId + ", will recycle it and start a new one");
                }
                if (secStorageVmFromStoppedPool) {
                    destroySecStorageVm(secStorageVmId);
                }
            } else {
                SubscriptionMgr.getInstance().notifySubscribers(ALERT_SUBJECT, this, new SecStorageVmAlertEventArgs(SecStorageVmAlertEventArgs.SSVM_UP, dataCenterId, secStorageVmId, secStorageVm, null));
                if (s_logger.isInfoEnabled()) {
                    s_logger.info("Secondary storage vm " + secStorageVm.getHostName() + " is started");
                }
            }
        }
    } catch (Exception e) {
        errorString = e.getMessage();
        throw e;
    } finally {
        // Also add failure reason since startvm masks some of them.
        if (secStorageVm == null || secStorageVm.getState() != State.Running)
            SubscriptionMgr.getInstance().notifySubscribers(ALERT_SUBJECT, this, new SecStorageVmAlertEventArgs(SecStorageVmAlertEventArgs.SSVM_CREATE_FAILURE, dataCenterId, 0l, null, errorString));
    }
}