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(* guestfs-inspection
* Copyright (C) 2009-2019 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.
*)
open Std_utils
open Utils
(* All device mapper devices are called /dev/mapper/ldm_vol_*
* or /dev/mapper/ldm_part_*.
*
* XXX We could tighten this up in future if ldmtool had a way
* to read these names back after they have been created.
*)
let rec list_ldm_volumes () = list "ldm_vol_"
and list_ldm_partitions () = list "ldm_part_"
and list prefix =
(* If /dev/mapper doesn't exist at all, don't give an error. *)
if not (is_directory "/dev/mapper") then
[]
else (
let dir = Sys.readdir "/dev/mapper" in
let dir = Array.to_list dir in
let dir =
List.filter (fun d -> String.is_prefix d prefix) dir in
let dir = List.map ((^) "/dev/mapper/") dir in
List.sort compare dir
)
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