String snapshotBackupUuid = null;
VmwareContext context = hostService.getServiceContext(cmd);
VirtualMachineMO vmMo = null;
try {
VmwareHypervisorHost hyperHost = hostService.getHyperHost(context, cmd);
morDs = HypervisorHostHelper.findDatastoreWithBackwardsCompatibility(hyperHost, cmd.getPool().getUuid());
try {
vmMo = hyperHost.findVmOnHyperHost(cmd.getVmName());
if (vmMo == null) {
if(s_logger.isDebugEnabled()) {
s_logger.debug("Unable to find owner VM for BackupSnapshotCommand on host " + hyperHost.getHyperHostName() + ", will try within datacenter");
}
vmMo = hyperHost.findVmOnPeerHyperHost(cmd.getVmName());
if(vmMo == null) {
dsMo = new DatastoreMO(hyperHost.getContext(), morDs);
workerVMName = hostService.getWorkerName(context, cmd, 0);
// attach a volume to dummay wrapper VM for taking snapshot and exporting the VM for backup
if (!hyperHost.createBlankVm(workerVMName, null, 1, 512, 0, false, 4, 0, VirtualMachineGuestOsIdentifier.OTHER_GUEST.value(), morDs, false)) {
String msg = "Unable to create worker VM to execute BackupSnapshotCommand";
s_logger.error(msg);
throw new Exception(msg);
}
vmMo = hyperHost.findVmOnHyperHost(workerVMName);
if (vmMo == null) {
throw new Exception("Failed to find the newly create or relocated VM. vmName: " + workerVMName);
}
workerVm = vmMo;