Files
libguestfs/builder/utils.ml
Cédric Bosdonnat 0933d2d818 builder: add Utils.get_image_infos function
This helper function calls qemu-img info on an image file and
returns the output as a JSON Yajl tree.

This function will be used in future commits.
2017-11-07 12:41:31 +00:00

43 lines
1.3 KiB
OCaml

(* virt-builder
* Copyright (C) 2013-2017 Red Hat Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*)
(* Utilities/common functions used in virt-builder only. *)
open Printf
open Std_utils
open Tools_utils
type gpgkey_type =
| No_Key
| Fingerprint of string
| KeyFile of string
and revision =
| Rev_int of int
| Rev_string of string
let string_of_revision = function
| Rev_int n -> string_of_int n
| Rev_string s -> s
let get_image_infos filepath =
let qemuimg_cmd = "qemu-img info --output json " ^ quote filepath in
let lines = external_command qemuimg_cmd in
let line = String.concat "\n" lines in
Yajl.yajl_tree_parse line