1 # SPDX-License-Identifier: LGPL-2.1-or-later
3 # This file is part of systemd.
5 # systemd is free software; you can redistribute it and/or modify it
6 # under the terms of the GNU Lesser General Public License as published by
7 # the Free Software Foundation; either version 2.1 of the License, or
8 # (at your option) any later version.
11 Description=Container %i
12 Documentation=man:systemd-nspawn(1)
13 Wants=modprobe@tun.service modprobe@loop.service modprobe@dm_mod.service
14 PartOf=machines.target
15 Before=machines.target
16 After=network.target modprobe@tun.service modprobe@loop.service modprobe@dm_mod.service
17 RequiresMountsFor=/var/lib/machines/%i
20 # Make sure the DeviceAllow= lines below can properly resolve the 'block-loop' expression (and others)
21 ExecStart=systemd-nspawn --quiet --keep-unit --boot --link-journal=try-guest --network-veth -U --settings=override --machine=%i
24 RestartForceExitStatus=133
28 DelegateSubgroup=supervisor
33 {# Enforce a strict device policy, similar to the one nspawn configures when it
34 # allocates its own scope unit. Make sure to keep these policies in sync if you
37 DeviceAllow=/dev/net/tun rwm
38 DeviceAllow=char-pts rw
40 # nspawn itself needs access to /dev/loop-control and /dev/loop, to implement
41 # the --image= option. Add these here, too.
42 DeviceAllow=/dev/loop-control rw
43 DeviceAllow=block-loop rw
44 DeviceAllow=block-blkext rw
46 # nspawn can set up LUKS encrypted loopback files, in which case it needs
47 # access to /dev/mapper/control and the block devices /dev/mapper/*.
48 DeviceAllow=/dev/mapper/control rw
49 DeviceAllow=block-device-mapper rw
52 WantedBy=machines.target