}
protected ScaleVmAnswer execute(ScaleVmCommand cmd) {
VmwareContext context = getServiceContext();
VirtualMachineTO vmSpec = cmd.getVirtualMachine();
try{
VmwareHypervisorHost hyperHost = getHyperHost(context);
VirtualMachineMO vmMo = hyperHost.findVmOnHyperHost(cmd.getVmName());
VirtualMachineConfigSpec vmConfigSpec = new VirtualMachineConfigSpec();
int ramMb = (int) (vmSpec.getMinRam()/(1024 * 1024));
long hotaddIncrementSizeInMb;
long hotaddMemoryLimitInMb;
long requestedMaxMemoryInMb = vmSpec.getMaxRam() / (1024 * 1024);
// Check if VM is really running on hypervisor host
if (getVmPowerState(vmMo) != PowerState.PowerOn) {
throw new CloudRuntimeException("Found that the VM " + vmMo.getVmName() + " is not running. Unable to scale-up this VM");
}
// Check max hot add limit
hotaddIncrementSizeInMb = vmMo.getHotAddMemoryIncrementSizeInMb();
hotaddMemoryLimitInMb = vmMo.getHotAddMemoryLimitInMb();
if (requestedMaxMemoryInMb > hotaddMemoryLimitInMb) {
throw new CloudRuntimeException("Memory of VM " + vmMo.getVmName() + " cannot be scaled to " + requestedMaxMemoryInMb + "MB." +
" Requested memory limit is beyond the hotadd memory limit for this VM at the moment is " + hotaddMemoryLimitInMb + "MB.");
}
// Check increment is multiple of increment size
long reminder = requestedMaxMemoryInMb % hotaddIncrementSizeInMb;
if (reminder != 0) {
requestedMaxMemoryInMb = requestedMaxMemoryInMb + hotaddIncrementSizeInMb - reminder;
}
// Check if license supports the feature
VmwareHelper.isFeatureLicensed(hyperHost, FeatureKeyConstants.HOTPLUG);
VmwareHelper
.setVmScaleUpConfig(vmConfigSpec, vmSpec.getCpus(), vmSpec.getMaxSpeed(), vmSpec.getMinSpeed(), (int)requestedMaxMemoryInMb, ramMb, vmSpec.getLimitCpuUse());
if(!vmMo.configureVm(vmConfigSpec)) {
throw new Exception("Unable to execute ScaleVmCommand");
}
}catch(Exception e) {