    # File lib/fog/vsphere/requests/compute/vm_reboot.rb, line 6
            def vm_reboot(options = {})
              options = { 'force' => false }.merge(options)
              raise ArgumentError, "instance_uuid is a required parameter" unless options.has_key? 'instance_uuid'

              search_filter = { :uuid => options['instance_uuid'], 'vmSearch' => true, 'instanceUuid' => true }
              vm_mob_ref = @connection.searchIndex.FindAllByUuid(search_filter).first

              if options['force'] then
                task = vm_mob_ref.ResetVM_Task
                task.wait_for_completion
                { 'task_state' => task.info.result, 'reboot_type' => 'reset_power' }
              else
                vm_mob_ref.ShutdownGuest
                { 'task_state' => "running", 'reboot_type' => 'reboot_guest' }
              end
            end