@Override
protected void executeCommand() {
if (getVmTemplate().isBaseTemplate()) {
shiftBaseTemplateToSuccessor();
}
final List<CinderDisk> cinderDisks =
ImagesHandler.filterDisksBasedOnCinder(
DbFacade.getInstance().getDiskDao().getAllForVm(getVmTemplateId()));
// Set VM to lock status immediately, for reducing race condition.
VmTemplateHandler.lockVmTemplateInTransaction(getVmTemplateId(), getCompensationContext());
if (!imageTemplates.isEmpty() || !cinderDisks.isEmpty()) {
TransactionSupport.executeInNewTransaction(
new TransactionMethod<Void>() {
@Override
public Void runInTransaction() {
if (!imageTemplates.isEmpty() && removeVmTemplateImages()) {
VmHandler.removeVmInitFromDB(getVmTemplate());
setSucceeded(true);
}
if (!cinderDisks.isEmpty()) {
removeCinderDisks(cinderDisks);
setSucceeded(true);
}
return null;
}
});
} else {
// if for some reason template doesn't have images, remove it now and not in end action
handleEndAction();
}
}
private void fetchImageTemplates() {
if (imageTemplates == null) {
List<Disk> allImages = DbFacade.getInstance().getDiskDao().getAllForVm(getVmTemplateId());
imageTemplates = ImagesHandler.filterImageDisks(allImages, false, false, true);
imageTemplates.addAll(ImagesHandler.filterDisksBasedOnCinder(allImages, true));
}
}
public static List<DiskImage> getCinderLeafImages(List<Disk> disks, boolean onlyPluggedDisks) {
List<DiskImage> leafCinderDisks = new ArrayList<>();
List<CinderDisk> cinderDisks = ImagesHandler.filterDisksBasedOnCinder(disks, onlyPluggedDisks);
for (CinderDisk cinder : cinderDisks) {
leafCinderDisks.add(ImagesHandler.getSnapshotLeaf(cinder.getId()));
}
return leafCinderDisks;
}
