    # File lib/fog/vsphere/requests/compute/vm_reconfig_hardware.rb, line 5
            def vm_reconfig_hardware(options = {})
              raise ArgumentError, "hardware_spec is a required parameter" unless options.has_key? 'hardware_spec'
              raise ArgumentError, "instance_uuid is a required parameter" unless options.has_key? 'instance_uuid'
              vm_mob_ref = get_vm_by_ref(options['instance_uuid'])
              task = vm_mob_ref.ReconfigVM_Task(:spec => RbVmomi::VIM.VirtualMachineConfigSpec(options['hardware_spec']))
              task.wait_for_completion
               { 'task_state' => task.info.state }
            end