+# SPDX-License-Identifier: LGPL-2.1+
+#
# This file is part of systemd.
#
# systemd is free software; you can redistribute it and/or modify it
[Unit]
Description=Container %i
Documentation=man:systemd-nspawn(1)
+Wants=modprobe@tun.service modprobe@loop.service modprobe@dm-mod.service
PartOf=machines.target
Before=machines.target
-After=network.target
+After=network.target systemd-resolved.service modprobe@tun.service modprobe@loop.service modprobe@dm-mod.service
+RequiresMountsFor=/var/lib/machines/%i
[Service]
-ExecStart=@bindir@/systemd-nspawn --quiet --keep-unit --boot --link-journal=try-guest --network-veth -U --settings=override --machine=%i
+# Make sure the DeviceAllow= lines below can properly resolve the 'block-loop' expression (and others)
+ExecStart=systemd-nspawn --quiet --keep-unit --boot --link-journal=try-guest --network-veth -U --settings=override --machine=%i
KillMode=mixed
Type=notify
RestartForceExitStatus=133
Slice=machine.slice
Delegate=yes
TasksMax=16384
+@SERVICE_WATCHDOG@
-# Enforce a strict device policy, similar to the one nspawn configures
-# when it allocates its own scope unit. Make sure to keep these
-# policies in sync if you change them!
+# Enforce a strict device policy, similar to the one nspawn configures when it
+# allocates its own scope unit. Make sure to keep these policies in sync if you
+# change them!
DevicePolicy=closed
DeviceAllow=/dev/net/tun rwm
DeviceAllow=char-pts rw
-# nspawn itself needs access to /dev/loop-control and /dev/loop, to
-# implement the --image= option. Add these here, too.
+# nspawn itself needs access to /dev/loop-control and /dev/loop, to implement
+# the --image= option. Add these here, too.
DeviceAllow=/dev/loop-control rw
DeviceAllow=block-loop rw
DeviceAllow=block-blkext rw
+# nspawn can set up LUKS encrypted loopback files, in which case it needs
+# access to /dev/mapper/control and the block devices /dev/mapper/*.
+DeviceAllow=/dev/mapper/control rw
+DeviceAllow=block-device-mapper rw
+
[Install]
WantedBy=machines.target