Examples with VmWorkJobVO com.cloud.framework.jobs.impl.VmWorkJobVO used on opensource projects

Example 51 with VmWorkJobVO

use of com.cloud.framework.jobs.impl.VmWorkJobVO in project cosmic by MissionCriticalCloud.

the class VMSnapshotManagerImpl method createVMSnapshot.

@Override
@ActionEvent(eventType = EventTypes.EVENT_VM_SNAPSHOT_CREATE, eventDescription = "creating VM snapshot", async = true)
public VMSnapshot createVMSnapshot(final Long vmId, final Long vmSnapshotId, final Boolean quiescevm) {
    final UserVmVO userVm = _userVMDao.findById(vmId);
    if (userVm == null) {
        throw new InvalidParameterValueException("Create vm to snapshot failed due to vm: " + vmId + " is not found");
    }
    final VMSnapshotVO vmSnapshot = _vmSnapshotDao.findById(vmSnapshotId);
    if (vmSnapshot == null) {
        throw new CloudRuntimeException("VM snapshot id: " + vmSnapshotId + " can not be found");
    }
    // serialize VM operation
    final AsyncJobExecutionContext jobContext = AsyncJobExecutionContext.getCurrentExecutionContext();
    if (jobContext.isJobDispatchedBy(VmWorkConstants.VM_WORK_JOB_DISPATCHER)) {
        // avoid re-entrance
        final VmWorkJobVO placeHolder;
        placeHolder = createPlaceHolderWork(vmId);
        try {
            return orchestrateCreateVMSnapshot(vmId, vmSnapshotId, quiescevm);
        } finally {
            _workJobDao.expunge(placeHolder.getId());
        }
    } else {
        final Outcome<VMSnapshot> outcome = createVMSnapshotThroughJobQueue(vmId, vmSnapshotId, quiescevm);
        final VMSnapshot result;
        try {
            result = outcome.get();
        } catch (final InterruptedException e) {
            throw new RuntimeException("Operation is interrupted", e);
        } catch (final ExecutionException e) {
            throw new RuntimeException("Execution exception", e);
        }
        final Object jobResult = _jobMgr.unmarshallResultObject(outcome.getJob());
        if (jobResult != null) {
            if (jobResult instanceof ConcurrentOperationException) {
                throw (ConcurrentOperationException) jobResult;
            } else if (jobResult instanceof Throwable) {
                throw new RuntimeException("Unexpected exception", (Throwable) jobResult);
            }
        }
        return result;
    }
}

Example 52 with VmWorkJobVO

use of com.cloud.framework.jobs.impl.VmWorkJobVO in project cosmic by MissionCriticalCloud.

the class VolumeApiServiceImpl method resizeVolume.

@Override
@DB
@ActionEvent(eventType = EventTypes.EVENT_VOLUME_RESIZE, eventDescription = "resizing volume", async = true)
public VolumeVO resizeVolume(final ResizeVolumeCmd cmd) throws ResourceAllocationException {
    Long newSize;
    Long newMinIops;
    Long newMaxIops;
    final boolean shrinkOk = cmd.getShrinkOk();
    final VolumeVO volume = _volsDao.findById(cmd.getEntityId());
    if (volume == null) {
        throw new InvalidParameterValueException("No such volume");
    }
    /* Does the caller have authority to act on this volume? */
    _accountMgr.checkAccess(CallContext.current().getCallingAccount(), null, true, volume);
    if (volume.getInstanceId() != null) {
        // Check that Vm to which this volume is attached does not have VM Snapshots
        if (_vmSnapshotDao.findByVm(volume.getInstanceId()).size() > 0) {
            throw new InvalidParameterValueException("Volume cannot be resized which is attached to VM with VM Snapshots");
        }
    }
    final DiskOfferingVO diskOffering = _diskOfferingDao.findById(volume.getDiskOfferingId());
    DiskOfferingVO newDiskOffering = null;
    if (cmd.getNewDiskOfferingId() != null && volume.getDiskOfferingId() != cmd.getNewDiskOfferingId()) {
        newDiskOffering = _diskOfferingDao.findById(cmd.getNewDiskOfferingId());
    }
    /* Only works for KVM/XenServer/VMware (or "Any") for now, and volumes with 'None' since they're just allocated in DB */
    final HypervisorType hypervisorType = _volsDao.getHypervisorType(volume.getId());
    if (hypervisorType != HypervisorType.KVM && hypervisorType != HypervisorType.XenServer && hypervisorType != HypervisorType.Any && hypervisorType != HypervisorType.None) {
        throw new InvalidParameterValueException("CloudStack currently supports volume resize only on KVM, or XenServer.");
    }
    if (volume.getState() != Volume.State.Ready && volume.getState() != Volume.State.Allocated) {
        throw new InvalidParameterValueException("Volume should be in ready or allocated state before attempting a resize. Volume " + volume.getUuid() + " is in state " + volume.getState() + ".");
    }
    // if we are to use the existing disk offering
    if (newDiskOffering == null) {
        newSize = cmd.getSize();
        // if the caller is looking to change the size of the volume
        if (newSize != null) {
            if (!diskOffering.isCustomized() && !volume.getVolumeType().equals(Volume.Type.ROOT)) {
                throw new InvalidParameterValueException("To change a volume's size without providing a new disk offering, its current disk offering must be " + "customizable or it must be a root volume (if providing a disk offering, make sure it is different from the current disk offering).");
            }
            // convert from bytes to GiB
            newSize = newSize << 30;
        } else {
            // no parameter provided; just use the original size of the volume
            newSize = volume.getSize();
        }
        newMinIops = cmd.getMinIops();
        if (newMinIops != null) {
            if (diskOffering.isCustomizedIops() == null || !diskOffering.isCustomizedIops()) {
                throw new InvalidParameterValueException("The current disk offering does not support customization of the 'Min IOPS' parameter.");
            }
        } else {
            // no parameter provided; just use the original min IOPS of the volume
            newMinIops = volume.getMinIops();
        }
        newMaxIops = cmd.getMaxIops();
        if (newMaxIops != null) {
            if (diskOffering.isCustomizedIops() == null || !diskOffering.isCustomizedIops()) {
                throw new InvalidParameterValueException("The current disk offering does not support customization of the 'Max IOPS' parameter.");
            }
        } else {
            // no parameter provided; just use the original max IOPS of the volume
            newMaxIops = volume.getMaxIops();
        }
        validateIops(newMinIops, newMaxIops);
    } else {
        if (newDiskOffering.getRemoved() != null) {
            throw new InvalidParameterValueException("Requested disk offering has been removed.");
        }
        if (!DiskOfferingVO.Type.Disk.equals(newDiskOffering.getType())) {
            throw new InvalidParameterValueException("Requested disk offering type is invalid.");
        }
        if (diskOffering.getTags() != null) {
            if (!StringUtils.areTagsEqual(diskOffering.getTags(), newDiskOffering.getTags())) {
                throw new InvalidParameterValueException("The tags on the new and old disk offerings must match.");
            }
        } else if (newDiskOffering.getTags() != null) {
            throw new InvalidParameterValueException("There are no tags on the current disk offering. The new disk offering needs to have no tags, as well.");
        }
        if (!areIntegersEqual(diskOffering.getHypervisorSnapshotReserve(), newDiskOffering.getHypervisorSnapshotReserve())) {
            throw new InvalidParameterValueException("The hypervisor snapshot reverse on the new and old disk offerings must be equal.");
        }
        if (newDiskOffering.getDomainId() != null) {
            // not a public offering; check access
            _configMgr.checkDiskOfferingAccess(CallContext.current().getCallingAccount(), newDiskOffering);
        }
        if (newDiskOffering.isCustomized()) {
            newSize = cmd.getSize();
            if (newSize == null) {
                throw new InvalidParameterValueException("The new disk offering requires that a size be specified.");
            }
            // convert from bytes to GiB
            newSize = newSize << 30;
        } else {
            newSize = newDiskOffering.getDiskSize();
        }
        if (!volume.getSize().equals(newSize) && !volume.getVolumeType().equals(Volume.Type.DATADISK)) {
            throw new InvalidParameterValueException("Only data volumes can be resized via a new disk offering.");
        }
        if (newDiskOffering.isCustomizedIops() != null && newDiskOffering.isCustomizedIops()) {
            newMinIops = cmd.getMinIops() != null ? cmd.getMinIops() : volume.getMinIops();
            newMaxIops = cmd.getMaxIops() != null ? cmd.getMaxIops() : volume.getMaxIops();
            validateIops(newMinIops, newMaxIops);
        } else {
            newMinIops = newDiskOffering.getMinIops();
            newMaxIops = newDiskOffering.getMaxIops();
        }
    }
    final long currentSize = volume.getSize();
    // if the caller is looking to change the size of the volume
    if (currentSize != newSize) {
        if (!validateVolumeSizeRange(newSize)) {
            throw new InvalidParameterValueException("Requested size out of range");
        }
        /*
             * Let's make certain they (think they) know what they're doing if they
             * want to shrink by forcing them to provide the shrinkok parameter.
             * This will be checked again at the hypervisor level where we can see
             * the actual disk size.
             */
        if (currentSize > newSize && !shrinkOk) {
            throw new InvalidParameterValueException("Going from existing size of " + currentSize + " to size of " + newSize + " would shrink the volume." + "Need to sign off by supplying the shrinkok parameter with value of true.");
        }
        if (newSize > currentSize) {
            /* Check resource limit for this account on primary storage resource */
            _resourceLimitMgr.checkResourceLimit(_accountMgr.getAccount(volume.getAccountId()), ResourceType.primary_storage, volume.isDisplayVolume(), new Long(newSize - currentSize).longValue());
        }
    }
    /* If this volume has never been beyond allocated state, short circuit everything and simply update the database. */
    if (volume.getState() == Volume.State.Allocated) {
        s_logger.debug("Volume is in the allocated state, but has never been created. Simply updating database with new size and IOPS.");
        volume.setSize(newSize);
        volume.setMinIops(newMinIops);
        volume.setMaxIops(newMaxIops);
        if (newDiskOffering != null) {
            volume.setDiskOfferingId(cmd.getNewDiskOfferingId());
        }
        _volsDao.update(volume.getId(), volume);
        return volume;
    }
    final UserVmVO userVm = _userVmDao.findById(volume.getInstanceId());
    if (userVm != null) {
        // serialize VM operation
        final AsyncJobExecutionContext jobContext = AsyncJobExecutionContext.getCurrentExecutionContext();
        if (jobContext.isJobDispatchedBy(VmWorkConstants.VM_WORK_JOB_DISPATCHER)) {
            // avoid re-entrance
            final VmWorkJobVO placeHolder;
            placeHolder = createPlaceHolderWork(userVm.getId());
            try {
                return orchestrateResizeVolume(volume.getId(), currentSize, newSize, newMinIops, newMaxIops, newDiskOffering != null ? cmd.getNewDiskOfferingId() : null, shrinkOk);
            } finally {
                _workJobDao.expunge(placeHolder.getId());
            }
        } else {
            final Outcome<Volume> outcome = resizeVolumeThroughJobQueue(userVm.getId(), volume.getId(), currentSize, newSize, newMinIops, newMaxIops, newDiskOffering != null ? cmd.getNewDiskOfferingId() : null, shrinkOk);
            try {
                outcome.get();
            } catch (final InterruptedException e) {
                throw new RuntimeException("Operation was interrupted", e);
            } catch (final java.util.concurrent.ExecutionException e) {
                throw new RuntimeException("Execution exception", e);
            }
            final Object jobResult = _jobMgr.unmarshallResultObject(outcome.getJob());
            if (jobResult != null) {
                if (jobResult instanceof ConcurrentOperationException) {
                    throw (ConcurrentOperationException) jobResult;
                } else if (jobResult instanceof ResourceAllocationException) {
                    throw (ResourceAllocationException) jobResult;
                } else if (jobResult instanceof RuntimeException) {
                    throw (RuntimeException) jobResult;
                } else if (jobResult instanceof Throwable) {
                    throw new RuntimeException("Unexpected exception", (Throwable) jobResult);
                } else if (jobResult instanceof Long) {
                    return _volsDao.findById((Long) jobResult);
                }
            }
            return volume;
        }
    }
    return orchestrateResizeVolume(volume.getId(), currentSize, newSize, newMinIops, newMaxIops, newDiskOffering != null ? cmd.getNewDiskOfferingId() : null, shrinkOk);
}

Example 53 with VmWorkJobVO

use of com.cloud.framework.jobs.impl.VmWorkJobVO in project cosmic by MissionCriticalCloud.

the class VolumeApiServiceImpl method extractVolume.

@Override
@ActionEvent(eventType = EventTypes.EVENT_VOLUME_EXTRACT, eventDescription = "extracting volume", async = true)
public String extractVolume(final ExtractVolumeCmd cmd) {
    final Long volumeId = cmd.getId();
    final Long zoneId = cmd.getZoneId();
    final String mode = cmd.getMode();
    final Account account = CallContext.current().getCallingAccount();
    if (!_accountMgr.isRootAdmin(account.getId()) && ApiDBUtils.isExtractionDisabled()) {
        throw new PermissionDeniedException("Extraction has been disabled by admin");
    }
    final VolumeVO volume = _volsDao.findById(volumeId);
    if (volume == null) {
        final InvalidParameterValueException ex = new InvalidParameterValueException("Unable to find volume with specified volumeId");
        ex.addProxyObject(volumeId.toString(), "volumeId");
        throw ex;
    }
    // perform permission check
    _accountMgr.checkAccess(account, null, true, volume);
    if (_dcDao.findById(zoneId) == null) {
        throw new InvalidParameterValueException("Please specify a valid zone.");
    }
    if (volume.getPoolId() == null) {
        throw new InvalidParameterValueException("The volume doesnt belong to a storage pool so cant extract it");
    }
    // instance is stopped
    if (volume.getInstanceId() != null && ApiDBUtils.findVMInstanceById(volume.getInstanceId()).getState() != State.Stopped) {
        s_logger.debug("Invalid state of the volume with ID: " + volumeId + ". It should be either detached or the VM should be in stopped state.");
        final PermissionDeniedException ex = new PermissionDeniedException("Invalid state of the volume with specified ID. It should be either detached or the VM should be in stopped state.");
        ex.addProxyObject(volume.getUuid(), "volumeId");
        throw ex;
    }
    if (volume.getVolumeType() != Volume.Type.DATADISK) {
        // Datadisk dont have any template dependence.
        final VMTemplateVO template = ApiDBUtils.findTemplateById(volume.getTemplateId());
        if (template != null) {
            // For ISO based volumes template = null and
            // we allow extraction of all ISO based
            // volumes
            final boolean isExtractable = template.isExtractable() && template.getTemplateType() != Storage.TemplateType.SYSTEM;
            if (!isExtractable && account != null && !_accountMgr.isRootAdmin(account.getId())) {
                // Global admins are always allowed to extract
                final PermissionDeniedException ex = new PermissionDeniedException("The volume with specified volumeId is not allowed to be extracted");
                ex.addProxyObject(volume.getUuid(), "volumeId");
                throw ex;
            }
        }
    }
    if (mode == null || !mode.equals(Upload.Mode.FTP_UPLOAD.toString()) && !mode.equals(Upload.Mode.HTTP_DOWNLOAD.toString())) {
        throw new InvalidParameterValueException("Please specify a valid extract Mode ");
    }
    // Check if the url already exists
    final VolumeDataStoreVO volumeStoreRef = _volumeStoreDao.findByVolume(volumeId);
    if (volumeStoreRef != null && volumeStoreRef.getExtractUrl() != null) {
        return volumeStoreRef.getExtractUrl();
    }
    VMInstanceVO vm = null;
    if (volume.getInstanceId() != null) {
        vm = _vmInstanceDao.findById(volume.getInstanceId());
    }
    if (vm != null) {
        // serialize VM operation
        final AsyncJobExecutionContext jobContext = AsyncJobExecutionContext.getCurrentExecutionContext();
        if (jobContext.isJobDispatchedBy(VmWorkConstants.VM_WORK_JOB_DISPATCHER)) {
            // avoid re-entrance
            final VmWorkJobVO placeHolder;
            placeHolder = createPlaceHolderWork(vm.getId());
            try {
                return orchestrateExtractVolume(volume.getId(), zoneId);
            } finally {
                _workJobDao.expunge(placeHolder.getId());
            }
        } else {
            final Outcome<String> outcome = extractVolumeThroughJobQueue(vm.getId(), volume.getId(), zoneId);
            try {
                outcome.get();
            } catch (final InterruptedException e) {
                throw new RuntimeException("Operation is interrupted", e);
            } catch (final java.util.concurrent.ExecutionException e) {
                throw new RuntimeException("Execution excetion", e);
            }
            final Object jobResult = _jobMgr.unmarshallResultObject(outcome.getJob());
            if (jobResult != null) {
                if (jobResult instanceof ConcurrentOperationException) {
                    throw (ConcurrentOperationException) jobResult;
                } else if (jobResult instanceof RuntimeException) {
                    throw (RuntimeException) jobResult;
                } else if (jobResult instanceof Throwable) {
                    throw new RuntimeException("Unexpected exception", (Throwable) jobResult);
                }
            }
            // retrieve the entity url from job result
            if (jobResult != null && jobResult instanceof String) {
                return (String) jobResult;
            }
            return null;
        }
    }
    return orchestrateExtractVolume(volume.getId(), zoneId);
}

Example 54 with VmWorkJobVO

use of com.cloud.framework.jobs.impl.VmWorkJobVO in project cosmic by MissionCriticalCloud.

the class VolumeApiServiceImpl method detachVolumeFromVM.

@Override
@ActionEvent(eventType = EventTypes.EVENT_VOLUME_DETACH, eventDescription = "detaching volume", async = true)
public Volume detachVolumeFromVM(final DetachVolumeCmd cmmd) {
    final Account caller = CallContext.current().getCallingAccount();
    if (cmmd.getId() == null && cmmd.getDeviceId() == null && cmmd.getVirtualMachineId() == null || cmmd.getId() != null && (cmmd.getDeviceId() != null || cmmd.getVirtualMachineId() != null) || cmmd.getId() == null && (cmmd.getDeviceId() == null || cmmd.getVirtualMachineId() == null)) {
        throw new InvalidParameterValueException("Please provide either a volume id, or a tuple(device id, instance id)");
    }
    final Long volumeId = cmmd.getId();
    final VolumeVO volume;
    if (volumeId != null) {
        volume = _volsDao.findById(volumeId);
    } else {
        volume = _volsDao.findByInstanceAndDeviceId(cmmd.getVirtualMachineId(), cmmd.getDeviceId()).get(0);
    }
    // Check that the volume ID is valid
    if (volume == null) {
        throw new InvalidParameterValueException("Unable to find volume with ID: " + volumeId);
    }
    final Long vmId;
    if (cmmd.getVirtualMachineId() == null) {
        vmId = volume.getInstanceId();
    } else {
        vmId = cmmd.getVirtualMachineId();
    }
    // Permissions check
    _accountMgr.checkAccess(caller, null, true, volume);
    // Check that the volume is currently attached to a VM
    if (vmId == null) {
        throw new InvalidParameterValueException("The specified volume is not attached to a VM.");
    }
    // Check that the VM is in the correct state
    final UserVmVO vm = _userVmDao.findById(vmId);
    if (vm.getState() != State.Running && vm.getState() != State.Stopped && vm.getState() != State.Destroyed) {
        throw new InvalidParameterValueException("Please specify a VM that is either running or stopped.");
    }
    // Check that the volume is a data/root volume
    if (!(volume.getVolumeType() == Volume.Type.ROOT || volume.getVolumeType() == Volume.Type.DATADISK)) {
        throw new InvalidParameterValueException("Please specify volume of type " + Volume.Type.DATADISK.toString() + " or " + Volume.Type.ROOT.toString());
    }
    // Root volume detach is allowed for following hypervisors: Xen/KVM/VmWare
    if (volume.getVolumeType() == Volume.Type.ROOT) {
        validateRootVolumeDetachAttach(volume, vm);
    }
    // Don't allow detach if target VM has associated VM snapshots
    final List<VMSnapshotVO> vmSnapshots = _vmSnapshotDao.findByVm(vmId);
    if (vmSnapshots.size() > 0) {
        throw new InvalidParameterValueException("Unable to detach volume, please specify a VM that does not have VM snapshots");
    }
    final AsyncJobExecutionContext asyncExecutionContext = AsyncJobExecutionContext.getCurrentExecutionContext();
    if (asyncExecutionContext != null) {
        final AsyncJob job = asyncExecutionContext.getJob();
        if (s_logger.isInfoEnabled()) {
            s_logger.info("Trying to attaching volume " + volumeId + "to vm instance:" + vm.getId() + ", update async job-" + job.getId() + " progress status");
        }
        _jobMgr.updateAsyncJobAttachment(job.getId(), "Volume", volumeId);
    }
    final AsyncJobExecutionContext jobContext = AsyncJobExecutionContext.getCurrentExecutionContext();
    if (jobContext.isJobDispatchedBy(VmWorkConstants.VM_WORK_JOB_DISPATCHER)) {
        // avoid re-entrance
        final VmWorkJobVO placeHolder;
        placeHolder = createPlaceHolderWork(vmId);
        try {
            return orchestrateDetachVolumeFromVM(vmId, volumeId);
        } finally {
            _workJobDao.expunge(placeHolder.getId());
        }
    } else {
        final Outcome<Volume> outcome = detachVolumeFromVmThroughJobQueue(vmId, volumeId);
        Volume vol = null;
        try {
            outcome.get();
        } catch (final InterruptedException e) {
            throw new RuntimeException("Operation is interrupted", e);
        } catch (final java.util.concurrent.ExecutionException e) {
            throw new RuntimeException("Execution excetion", e);
        }
        final Object jobResult = _jobMgr.unmarshallResultObject(outcome.getJob());
        if (jobResult != null) {
            if (jobResult instanceof ConcurrentOperationException) {
                throw (ConcurrentOperationException) jobResult;
            } else if (jobResult instanceof RuntimeException) {
                throw (RuntimeException) jobResult;
            } else if (jobResult instanceof Throwable) {
                throw new RuntimeException("Unexpected exception", (Throwable) jobResult);
            } else if (jobResult instanceof Long) {
                vol = _volsDao.findById((Long) jobResult);
            }
        }
        return vol;
    }
}

Example 55 with VmWorkJobVO

use of com.cloud.framework.jobs.impl.VmWorkJobVO in project cosmic by MissionCriticalCloud.

the class VolumeApiServiceImpl method takeSnapshot.

@Override
@ActionEvent(eventType = EventTypes.EVENT_SNAPSHOT_CREATE, eventDescription = "taking snapshot", async = true)
public Snapshot takeSnapshot(final Long volumeId, final Long policyId, final Long snapshotId, final Account account, final boolean quiescevm) throws ResourceAllocationException {
    final VolumeInfo volume = volFactory.getVolume(volumeId);
    if (volume == null) {
        throw new InvalidParameterValueException("Creating snapshot failed due to volume:" + volumeId + " doesn't exist");
    }
    if (volume.getState() != Volume.State.Ready) {
        throw new InvalidParameterValueException("VolumeId: " + volumeId + " is not in " + Volume.State.Ready + " state but " + volume.getState() + ". Cannot take snapshot.");
    }
    VMInstanceVO vm = null;
    if (volume.getInstanceId() != null) {
        vm = _vmInstanceDao.findById(volume.getInstanceId());
    }
    if (vm != null) {
        // serialize VM operation
        final AsyncJobExecutionContext jobContext = AsyncJobExecutionContext.getCurrentExecutionContext();
        if (jobContext.isJobDispatchedBy(VmWorkConstants.VM_WORK_JOB_DISPATCHER)) {
            // avoid re-entrance
            final VmWorkJobVO placeHolder;
            placeHolder = createPlaceHolderWork(vm.getId());
            try {
                return orchestrateTakeVolumeSnapshot(volumeId, policyId, snapshotId, account, quiescevm);
            } finally {
                _workJobDao.expunge(placeHolder.getId());
            }
        } else {
            final Outcome<Snapshot> outcome = takeVolumeSnapshotThroughJobQueue(vm.getId(), volumeId, policyId, snapshotId, account.getId(), quiescevm);
            try {
                outcome.get();
            } catch (final InterruptedException e) {
                throw new RuntimeException("Operation is interrupted", e);
            } catch (final java.util.concurrent.ExecutionException e) {
                throw new RuntimeException("Execution excetion", e);
            }
            final Object jobResult = _jobMgr.unmarshallResultObject(outcome.getJob());
            if (jobResult != null) {
                if (jobResult instanceof ConcurrentOperationException) {
                    throw (ConcurrentOperationException) jobResult;
                } else if (jobResult instanceof ResourceAllocationException) {
                    throw (ResourceAllocationException) jobResult;
                } else if (jobResult instanceof Throwable) {
                    throw new RuntimeException("Unexpected exception", (Throwable) jobResult);
                }
            }
            return _snapshotDao.findById(snapshotId);
        }
    } else {
        final CreateSnapshotPayload payload = new CreateSnapshotPayload();
        payload.setSnapshotId(snapshotId);
        payload.setAccount(account);
        payload.setQuiescevm(quiescevm);
        volume.addPayload(payload);
        return volService.takeSnapshot(volume);
    }
}