vRO Extend VirtualDisk Workflow

https://vbombarded.wordpress.com/2015/02/20/vrealize-orchestrator-extend-virtual-disk-workflow/

var devices = vm.config.hardware.device;
System.log(devices)

for (i in devices){
    if (devices[i].deviceInfo.label == diskString){
        var disk = devices[i]
        System.log("Disk = " + disk.deviceInfo.label)
    }
}

var newSizeKB = disk.capacityInKB + (increaseSizeGB * 1024 * 1024)
System.log("New Size KB = " + newSizeKB)

var spec = new VcVirtualMachineConfigSpec();
spec.changeVersion = vm.config.changeVersion;
spec.deviceChange = System.getModule("com.vmware.onyx").array(VcVirtualDeviceConfigSpec, 1);
spec.deviceChange[0] = new VcVirtualDeviceConfigSpec();
spec.deviceChange[0].operation = VcVirtualDeviceConfigSpecOperation.edit;
spec.deviceChange[0].device = new VcVirtualDisk();
spec.deviceChange[0].device.key = disk.key;
spec.deviceChange[0].device.deviceInfo = new VcDescription();
spec.deviceChange[0].device.deviceInfo.label = disk.deviceInfo.label;
spec.deviceChange[0].device.deviceInfo.summary = disk.deviceInfo.summary;
spec.deviceChange[0].device.backing = new VcVirtualDiskFlatVer2BackingInfo();
spec.deviceChange[0].device.backing.fileName = disk.backing.fileName;
spec.deviceChange[0].device.backing.diskMode = disk.backing.diskMode;
spec.deviceChange[0].device.backing.split = disk.backing.split;
spec.deviceChange[0].device.backing.writeThrough = disk.backing.writeThrough;
spec.deviceChange[0].device.backing.thinProvisioned = disk.backing.thinProvisioned;
spec.deviceChange[0].device.backing.uuid = disk.backing.uuid;
spec.deviceChange[0].device.backing.contentId = disk.backing.contentId;
spec.deviceChange[0].device.backing.digestEnabled = disk.backing.digestEnabled;
spec.deviceChange[0].device.controllerKey = disk.controllerKey;
spec.deviceChange[0].device.unitNumber = disk.unitNumber;
spec.deviceChange[0].device.capacityInKB = newSizeKB;
spec.deviceChange[0].device.shares = new VcSharesInfo();
spec.deviceChange[0].device.shares.shares = disk.shares.shares;
spec.deviceChange[0].device.shares.level = disk.shares.level;
spec.deviceChange[0].device.storageIOAllocation = new VcStorageIOAllocationInfo();
spec.deviceChange[0].device.storageIOAllocation.limit = disk.storageIOAllocation.limit;
spec.deviceChange[0].device.storageIOAllocation.shares = new VcSharesInfo();
spec.deviceChange[0].device.storageIOAllocation.shares.shares = disk.storageIOAllocation.shares.shares;
spec.deviceChange[0].device.storageIOAllocation.shares.level = disk.storageIOAllocation.shares.level;

return vm.reconfigVM_Task(spec);