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(* Set timezone in virt-sysprep and virt-builder.
* Copyright (C) 2014 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 Tools_utils
open Printf
let set_timezone (g : Guestfs.guestfs) root timezone =
let typ = g#inspect_get_type root in
match typ with
(* Every known Linux has /etc/localtime be either a copy of or a
* symlink to a timezone file in /usr/share/zoneinfo.
* Even systemd didn't fuck this up.
*)
| "linux" ->
let target = sprintf "/usr/share/zoneinfo/%s" timezone in
if not (g#exists target) then
error "timezone '%s' does not exist, use a location like 'Europe/London'" timezone;
g#ln_sf target "/etc/localtime";
true
| _ ->
false
|
