问VMWare使用python扩展现有VM磁盘大小

EN

def extend_disk(client, vm, size, disk_number):
    disk_label = 'Hard disk '+disk_number
    disk_size = int(size) * 1024 * 1024 * 1024
    disk = None
    for device in vm.config.hardware.device:
        if hasattr(device.backing, 'fileName'):
            if device.deviceInfo.label == disk_label:
                disk = device
                break
    if disk:
        if disk.capacityInBytes >= disk_size:
            return 1
        else:
            disk.capacityInBytes = disk_size
            updated_spec = vim.vm.device.VirtualDeviceSpec(device=disk, operation="edit")
            spec = vim.vm.ConfigSpec()
            spec.deviceChange.append(updated_spec)
            WaitForTask(vm.Reconfigure(spec))
            return 0
    else:
        return 1