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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
* 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 Sysprep_operation
open Sysprep_gettext.Gettext
module G = Guestfs
let udev_persistent_net_perform g root =
let typ = g#inspect_get_type root in
if typ = "linux" then (
(try g#rm "/etc/udev/rules.d/70-persistent-net.rules"
with G.Error _ -> ());
else []
let udev_persistent_net_op = {
name = "udev-persistent-net";
enabled_by_default = true;
heading = s_"Remove udev persistent net rules";
pod_description = Some (s_"\
Remove udev persistent net rules which map the guest's existing MAC
address to a fixed ethernet device (eg. eth0).
After a guest is cloned, the MAC address usually changes. Since the
old MAC address occupies the old name (eg. eth0), this means the fresh
MAC address is assigned to a new name (eg. eth1) and this is usually
undesirable. Erasing the udev persistent net rules avoids this.");
extra_args = [];
perform_on_filesystems = Some udev_persistent_net_perform;
perform_on_devices = None;
let () = register_operation udev_persistent_net_op
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