: To set the amount of RAM that will be available to the virtual

      machine (in MiB).

  \--no-graphic

  : This turns off the graphical display of the virtual machine.

  There are several additional options that can be used to create a

  new Coreos instance using **testcloud**.

  \--fcc_file FCC_FILE

  : To provide a fcc_file you want to use

    <uuid>{{ uuid }}</uuid>

    <memory unit='KiB'>{{ memory }}</memory>

    <currentMemory unit='KiB'>{{ memory }}</currentMemory>

    <os>

      <type arch='x86_64' machine='pc'>hvm</type>

      {{ uefi_loader }}

  \fB--ram RAM\fR

          Set the amount of RAM that will be available to the instance's VM (in MiB).

  \fB--disksize DISKSIZE\fR

          Set the disk size of the instance VM (in GiB).

          if not args.disksize:

              tc_instance.disk_size = config_data.DISK_SIZE

      # prepare instance

      try:

          tc_instance.prepare()

                                  help="Specify the amount of ram in MiB for the VM.",

                                  type=int,

                                  default=config_data.RAM)

      instarg_create.add_argument("--no-graphic",

                                  help="Turn off graphical display.",

                                  action="store_true")

      instarg_create.add_argument("--atomic",

                                  help="Use this flag if you're booting an Atomic Host.",

                                  action="store_true")

      instarg_create.add_argument("--timeout",

                                  help="Time (in seconds) to wait for boot to "

                                       "complete before completion, setting to 0"

      instarg_create.add_argument("--ign_file",

                                  help="specify your ign file path",

                                  type=str)

      imgarg = subparsers.add_parser("image", help="help on image options")

      imgarg_subp = imgarg.add_subparsers(title="subcommands",

          self.local_disk = "{}/{}-local.qcow2".format(self.path, self.name)

          self.xml_path = "{}/{}-domain.xml".format(self.path, self.name)

          self.ram = config_data.RAM

          # desired size of disk, in GiB

          self.disk_size = config_data.DISK_SIZE

          self.vnc = False

          instance_values = {'domain_name': self.name,

                             'uuid': uuid.uuid4(),

                             'memory': self.ram * 1024,  # MiB to KiB

                             'disk': self.local_disk,

                             'mac_address': util.generate_mac_address(),

                             'uefi_loader': "",

              instance_values['seed'] = self.seed_path

          else:

              xml_template = jinjaEnv.get_template(config_data.XML_TEMPLATE_COREOS)

              if config_data.CMD_LINE_ARGS_COREOS or config_data.CMD_LINE_ENVS_COREOS:

                  cmdline_args = config_data.CMD_LINE_ARGS_COREOS + ['name=opt/com.coreos/config,file=%s'%self.config_path, ]

                  for qemu_arg in cmdline_args: