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(* virt-sysprep
* Copyright (C) 2013 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 Printf
open Common_gettext.Gettext
open Tools_utils
open Sysprep_operation
module G = Guestfs
let rec fs_uuids_perform g root side_effects =
let fses = g#list_filesystems () in
List.iter (function
| _, "unknown" -> ()
| dev, typ ->
if not (is_btrfs_subvolume g dev) then (
let new_uuid = uuidgen () in
try
g#set_uuid dev new_uuid
with
G.Error msg ->
warning (f_"cannot set random UUID on filesystem %s type %s: %s")
dev typ msg
)
) fses
let op = {
defaults with
name = "fs-uuids";
enabled_by_default = false;
heading = s_"Change filesystem UUIDs";
pod_description = Some (s_"\
On guests and filesystem types where this is supported,
new random UUIDs are generated and assigned to filesystems.");
pod_notes = Some (s_"\
The fs-uuids operation is disabled by default because it does
not yet find and update all the places in the guest that use
the UUIDs. For example C</etc/fstab> or the bootloader.
Enabling this operation is more likely than not to make your
guest unbootable.
See: L<https://bugzilla.redhat.com/show_bug.cgi?id=991641>");
perform_on_devices = Some fs_uuids_perform;
}
let () = register_operation op
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