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#!/sbin/openrc-run
# Copyright 1999-2012 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/app-emulation/lxc/files/lxc.initd.2,v 1.5 2012/07/21 05:07:15 flameeyes Exp $
extra_started_commands="reboot"
description="Linux Containers (LXC)"
description_reboot="Reboot containers"
CONTAINER=${SVCNAME#*.}
: ${lxc_group:=$LXC_GROUP}
: ${systemd_container:=no}
: ${logdir:=/var/log/lxc}
command="/usr/bin/lxc-start"
pidfile="/var/run/lxc/$CONTAINER.pid"
depend() {
need localmount sysfs cgroups
after firewall net
}
lxc_get_configfile() {
local i
for i in /var/lib/lxc/${CONTAINER}/config \
/etc/lxc/${CONTAINER}.conf \
/etc/lxc/${CONTAINER}/config; do
if [ -f "$i" ]; then
echo "$i"
return 0
fi
done
eerror "Unable to find a suitable configuration file."
eerror "If you set up the container in a non-standard"
eerror "location, please set the CONFIGFILE variable."
return 1
}
lxc_get_var() {
awk 'BEGIN { FS="[ \t]*=[ \t]*" } $1 == "'$1'" { print $2; exit }' ${CONFIGFILE} | cut -d: -f2
}
checkconfig() {
if [ ${CONTAINER} = ${SVCNAME} ]; then
CONTAINER=
return 0
fi
CONFIGFILE=${CONFIGFILE:-$(lxc_get_configfile)}
# no need to output anything, the function takes care of that.
[ -z "${CONFIGFILE}" ] && return 1
utsname=$(lxc_get_var lxc.uts.name)
if [ "${CONTAINER}" != "${utsname}" ]; then
eerror "You should use the same name for the service and the"
eerror "lxc.uts.name : Right now the lxc.uts.name is set to : ${utsname}"
return 1
fi
}
systemd_ctr() {
local cmd="$1"
# Required for lxc-console and services inside systemd containers.
local cgroup=/sys/fs/cgroup/systemd
local mnt_opts='rw,nosuid,nodev,noexec,relatime,none,name=systemd'
case "$cmd" in
mount)
checkpath -d $cgroup
if ! mount | grep $cgroup >/dev/null; then
mount -t cgroup -o $mnt_opts cgroup $cgroup
fi
;;
unmount)
if mount | grep $cgroup >/dev/null; then
umount $cgroup
fi
;;
esac
}
_autostart() {
ebegin "$1 LXC containers"
shift
lxc-autostart --group "$lxc_group" "$@"
eend $?
}
start() {
checkconfig || return 1
if yesno "$systemd_container"; then
systemd_ctr mount
fi
if [ -z "$CONTAINER" ]; then
_autostart "Starting"
return
fi
rm -f "$logdir"/${CONTAINER}.log
rootpath=$(lxc_get_var lxc.rootfs.path)
# verify that container is not on tmpfs
dev=$(df -P "${rootpath}" | awk '{d=$1}; END {print d}')
type=$(awk -v dev="$dev" '$1 == dev {m=$3}; END {print m}' /proc/mounts)
if [ "$type" = tmpfs ] && ! yesno "$ALLOW_TMPFS"; then
eerror "${rootpath} is on tmpfs and ALLOW_TMPFS is not set"
return 1
fi
checkpath -d -m 750 -o root:wheel $logdir
checkpath -d ${pidfile%/*}
ebegin "Starting container ${CONTAINER}"
start-stop-daemon --start $command \
--pidfile $pidfile \
-- \
--daemon \
--pidfile $pidfile \
--name ${CONTAINER} \
--rcfile ${CONFIGFILE} \
--logpriority WARN \
--logfile $logdir/${CONTAINER}.log \
|| eend $? || return $?
lxc-wait -n ${CONTAINER} -t 5 -s RUNNING
eend $?
}
stop() {
checkconfig || return 1
systemd_ctr unmount
if [ -z "$CONTAINER" ]; then
_autostart "Stopping" --shutdown --timeout ${LXC_TIMEOUT:-30}
return
fi
ebegin "Stopping container ${CONTAINER}"
start-stop-daemon --stop --pidfile ${pidfile} \
--retry ${POWEROFF_SIGNAL:-SIGUSR2}/${TIMEOUT:-30} \
--progress
eend $?
}
reboot() {
checkconfig || return 1
if [ -z "$CONTAINER" ]; then
_autostart "Rebooting" --reboot
return
fi
ebegin "Sending reboot signal to container $CONTAINER"
start-stop-daemon --signal ${RESTART_SIG:-SIGTERM} \
--pidfile ${pidfile}
eend $?
}
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