// vmdkDatastorePath: [datastore name] vmdkFilePath, create delta disk based on disk from template
public static VirtualDevice prepareDiskDevice(VirtualMachineMO vmMo, int controllerKey, String vmdkDatastorePath,
int sizeInMb, ManagedObjectReference morDs, VirtualDisk templateDisk, int deviceNumber, int contextNumber) throws Exception {
assert(templateDisk != null);
VirtualDeviceBackingInfo parentBacking = templateDisk.getBacking();
assert(parentBacking != null);
// TODO Not sure if we need to check if the disk in template and the new disk needs to share the
// same datastore
VirtualDisk disk = new VirtualDisk();
if(parentBacking instanceof VirtualDiskFlatVer1BackingInfo) {
VirtualDiskFlatVer1BackingInfo backingInfo = new VirtualDiskFlatVer1BackingInfo();
backingInfo.setDiskMode(((VirtualDiskFlatVer1BackingInfo)parentBacking).getDiskMode());
backingInfo.setDatastore(morDs);
backingInfo.setFileName(vmdkDatastorePath);
backingInfo.setParent((VirtualDiskFlatVer1BackingInfo)parentBacking);
disk.setBacking(backingInfo);
} else if(parentBacking instanceof VirtualDiskFlatVer2BackingInfo) {
VirtualDiskFlatVer2BackingInfo backingInfo = new VirtualDiskFlatVer2BackingInfo();
backingInfo.setDiskMode(((VirtualDiskFlatVer2BackingInfo)parentBacking).getDiskMode());
backingInfo.setDatastore(morDs);
backingInfo.setFileName(vmdkDatastorePath);
backingInfo.setParent((VirtualDiskFlatVer2BackingInfo)parentBacking);
disk.setBacking(backingInfo);
} else if(parentBacking instanceof VirtualDiskRawDiskMappingVer1BackingInfo) {
VirtualDiskRawDiskMappingVer1BackingInfo backingInfo = new VirtualDiskRawDiskMappingVer1BackingInfo();
backingInfo.setDiskMode(((VirtualDiskRawDiskMappingVer1BackingInfo)parentBacking).getDiskMode());
backingInfo.setDatastore(morDs);
backingInfo.setFileName(vmdkDatastorePath);
backingInfo.setParent((VirtualDiskRawDiskMappingVer1BackingInfo)parentBacking);
disk.setBacking(backingInfo);
} else if(parentBacking instanceof VirtualDiskSparseVer1BackingInfo) {
VirtualDiskSparseVer1BackingInfo backingInfo = new VirtualDiskSparseVer1BackingInfo();
backingInfo.setDiskMode(((VirtualDiskSparseVer1BackingInfo)parentBacking).getDiskMode());
backingInfo.setDatastore(morDs);
backingInfo.setFileName(vmdkDatastorePath);
backingInfo.setParent((VirtualDiskSparseVer1BackingInfo)parentBacking);
disk.setBacking(backingInfo);
} else if(parentBacking instanceof VirtualDiskSparseVer2BackingInfo) {
VirtualDiskSparseVer2BackingInfo backingInfo = new VirtualDiskSparseVer2BackingInfo();
backingInfo.setDiskMode(((VirtualDiskSparseVer2BackingInfo)parentBacking).getDiskMode());
backingInfo.setDatastore(morDs);
backingInfo.setFileName(vmdkDatastorePath);
backingInfo.setParent((VirtualDiskSparseVer2BackingInfo)parentBacking);
disk.setBacking(backingInfo);
} else {
throw new Exception("Unsupported disk backing: " + parentBacking.getClass().getCanonicalName());
}
int ideControllerKey = vmMo.getIDEDeviceControllerKey();
if(controllerKey < 0)
controllerKey = ideControllerKey;