Examples with Snapshot org.ovirt.engine.core.common.businessentities.Snapshot used on opensource projects

Example 16 with Snapshot

use of org.ovirt.engine.core.common.businessentities.Snapshot in project ovirt-engine by oVirt.

the class CreateSnapshotForVmCommand method performNextOperation.

@Override
public boolean performNextOperation(int completedChildCount) {
    if (getParameters().getCreateSnapshotStage() == CreateSnapshotForVmParameters.CreateSnapshotStage.CREATE_VOLUME) {
        Snapshot createdSnapshot = snapshotDao.get(getParameters().getCreatedSnapshotId());
        // if the snapshot was not created in the DB
        // the command should also be handled as a failure
        getParameters().setTaskGroupSuccess(createdSnapshot != null && getParameters().getTaskGroupSuccess());
        if (getParameters().getTaskGroupSuccess()) {
            snapshotDao.updateStatus(createdSnapshot.getId(), Snapshot.SnapshotStatus.OK);
            getParameters().setLiveSnapshotRequired(shouldPerformLiveSnapshot(createdSnapshot));
            if (getParameters().isLiveSnapshotRequired()) {
                getParameters().setLiveSnapshotSucceeded(performLiveSnapshot(createdSnapshot));
            } else if (snapshotWithMemory(createdSnapshot)) {
                logMemorySavingFailed();
                snapshotDao.removeMemoryFromSnapshot(createdSnapshot.getId());
                removeMemoryVolumesOfSnapshot(createdSnapshot);
            }
        } else {
            if (createdSnapshot != null) {
                revertToActiveSnapshot(createdSnapshot.getId());
                // Note that the memory volumes might not have been created
                if (snapshotWithMemory(createdSnapshot)) {
                    removeMemoryVolumesOfSnapshot(createdSnapshot);
                }
            } else {
                log.warn("No snapshot was created for VM '{}' which is in LOCKED status", getVmId());
            }
        }
        getParameters().setCreateSnapshotStage(CreateSnapshotForVmParameters.CreateSnapshotStage.CREATE_SNAPSHOT_COMPLETED);
        return true;
    }
    return false;
}

Example 17 with Snapshot

use of org.ovirt.engine.core.common.businessentities.Snapshot in project ovirt-engine by oVirt.

the class GetAllVmSnapshotsWithLeasesFromConfigurationByVmIdQuery method executeQueryCommand.

@Override
protected void executeQueryCommand() {
    Map<Snapshot, Guid> snapshotLeaseDomainIdMap = new HashMap<>();
    SnapshotVmConfigurationHelper snapshotVmConfigurationHelper = getSnapshotVmConfigurationHelper();
    List<Snapshot> snapshots = snapshotDao.getAllWithConfiguration(getParameters().getId());
    for (Snapshot snapshot : snapshots) {
        VM vm = snapshotVmConfigurationHelper.getVmFromConfiguration(snapshot.getVmConfiguration(), snapshot.getVmId(), snapshot.getId());
        if (vm != null) {
            snapshot.setDiskImages(vm.getImages());
            snapshotLeaseDomainIdMap.put(snapshot, vm.getLeaseStorageDomainId());
        }
    }
    getQueryReturnValue().setReturnValue(snapshotLeaseDomainIdMap);
}

Example 18 with Snapshot

use of org.ovirt.engine.core.common.businessentities.Snapshot in project ovirt-engine by oVirt.

the class RemoveSnapshotCommand method getAllDisksSnapshot.

/**
 * The base snapshot is the parent of the top snapshot. This is reversed the if old cold merge
 * is performed (pre-4.1).
 *
 * @param snapshots list of the parent snapshot disks
 * @return list of subchains which contain the base and top snapshots.
 */
protected List<SubchainInfo> getAllDisksSnapshot(List<DiskImage> snapshots) {
    Set<DiskImage> topSnapshots = diskImageDao.getAllSnapshotsForParents(snapshots.stream().map(DiskImage::getImageId).collect(Collectors.toList()));
    Map<Guid, DiskImage> baseSnapshotMap = snapshots.stream().collect(Collectors.toMap(DiskImage::getImageId, Function.identity()));
    return topSnapshots.stream().map(topSnapshot -> {
        if (!isQemuimgCommitSupported() && getSnapshotActionType() == ActionType.RemoveSnapshotSingleDisk) {
            return new SubchainInfo(topSnapshot, baseSnapshotMap.get(topSnapshot.getParentId()));
        } else {
            return new SubchainInfo(baseSnapshotMap.get(topSnapshot.getParentId()), topSnapshot);
        }
    }).collect(Collectors.toList());
}

Example 19 with Snapshot

use of org.ovirt.engine.core.common.businessentities.Snapshot in project ovirt-engine by oVirt.

the class RemoveSnapshotCommand method executeCommand.

@Override
protected void executeCommand() {
    if (!getVm().isDown() && !getVm().isQualifiedForSnapshotMerge()) {
        log.error("Cannot remove VM snapshot. Vm is not Down, Up or Paused");
        throw new EngineException(EngineError.VM_NOT_QUALIFIED_FOR_SNAPSHOT_MERGE);
    }
    final Snapshot snapshot = snapshotDao.get(getParameters().getSnapshotId());
    boolean snapshotHasImages = hasImages();
    boolean removeSnapshotMemory = isMemoryVolumeRemoveable(snapshot);
    // No need for locking, VDSM tasks, and all that jazz.
    if (!snapshotHasImages && !removeSnapshotMemory) {
        snapshotDao.remove(getParameters().getSnapshotId());
        setSucceeded(true);
        return;
    }
    lockSnapshot(snapshot);
    if (getParameters().isFreeLockNeeded()) {
        freeLock();
    }
    getParameters().setEntityInfo(new EntityInfo(VdcObjectType.VM, getVmId()));
    boolean useTaskManagerToRemoveMemory = false;
    if (snapshotHasImages) {
        removeImages();
        if (getSnapshotActionType() == ActionType.RemoveSnapshotSingleDiskLive) {
            persistCommand(getParameters().getParentCommand(), true);
            useTaskManagerToRemoveMemory = true;
        }
    }
    if (removeSnapshotMemory) {
        removeMemory(snapshot, useTaskManagerToRemoveMemory);
        if (!snapshotHasImages) {
            // no async tasks - ending command manually
            endVmCommand();
        }
    }
    setSucceeded(true);
}

Example 20 with Snapshot

use of org.ovirt.engine.core.common.businessentities.Snapshot in project ovirt-engine by oVirt.

the class RemoveSnapshotSingleDiskCommand method endSuccessfully.

@Override
protected void endSuccessfully() {
    // original state (before the merge-attempt).
    if (getDestinationDiskImage() != null) {
        Set<Guid> imagesToUpdate = new HashSet<>();
        DiskImage curr = getDestinationDiskImage();
        while (!curr.getParentId().equals(getDiskImage().getParentId())) {
            curr = diskImageDao.getSnapshotById(curr.getParentId());
            imagesToUpdate.add(curr.getImageId());
        }
        syncDbRecords(VmBlockJobType.PULL, getImageInfoFromVdsm(getDestinationDiskImage()), imagesToUpdate, true);
    }
    if (getParameters().getVmSnapshotId() != null) {
        lockVmSnapshotsWithWait(getVm());
        Snapshot snapshot = snapshotDao.get(getParameters().getVmSnapshotId());
        Snapshot snapshotWithoutImage = imagesHandler.prepareSnapshotConfigWithoutImageSingleImage(snapshot, getParameters().getImageId(), ovfManager);
        snapshotDao.update(snapshotWithoutImage);
        if (getSnapshotsEngineLock() != null) {
            lockManager.releaseLock(getSnapshotsEngineLock());
        }
    }
    setSucceeded(true);
}