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(* virt-sysprep
* Copyright (C) 2012 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 Sysprep_operation
open Sysprep_gettext.Gettext
module G = Guestfs
let rec lvm_uuids_perform g root =
let typ = g#inspect_get_type root in
if typ = "linux" then (
let has_lvm2_feature =
try g#available [|"lvm2"|]; true with G.Error _ -> false in
if has_lvm2_feature then (
let has_pvs, has_vgs = g#pvs () <> [||], g#vgs () <> [||] in
if has_pvs || has_vgs then g#vg_activate_all false;
if has_pvs then g#pvchange_uuid_all ();
if has_vgs then g#vgchange_uuid_all ();
if has_pvs || has_vgs then g#vg_activate_all true
)
);
[]
let lvm_uuids_op = {
name = "lvm-uuids";
enabled_by_default = true;
heading = s_"Change LVM2 PV and VG UUIDs";
pod_description = Some (s_"\
On Linux guests that have LVM2 physical volumes (PVs) or volume groups (VGs),
new random UUIDs are generated and assigned to those PVs and VGs.");
extra_args = [];
perform_on_filesystems = None;
perform_on_devices = Some lvm_uuids_perform;
}
let () = register_operation lvm_uuids_op
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