diff options
Diffstat (limited to 'main/lxc/lxc.initd')
| -rw-r--r-- | main/lxc/lxc.initd | 172 |
1 files changed, 77 insertions, 95 deletions
diff --git a/main/lxc/lxc.initd b/main/lxc/lxc.initd index 86bae5f75..a77ba0e86 100644 --- a/main/lxc/lxc.initd +++ b/main/lxc/lxc.initd @@ -1,114 +1,96 @@ #!/sbin/runscript -# Copyright 1999-2011 Gentoo Foundation +# 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,v 1.3 2011/02/26 18:02:51 flameeyes Exp $ +# $Header: /var/cvsroot/gentoo-x86/app-emulation/lxc/files/lxc.initd.2,v 1.5 2012/07/21 05:07:15 flameeyes Exp $ CONTAINER=${SVCNAME#*.} -CONFIGFILE=${CONFIGFILE:-/etc/lxc/${CONTAINER}.conf} +command="/usr/bin/lxc-start" +pidfile="/var/run/lxc/$CONTAINER.pid" +extra_started_commands="reboot" -lxc_get_var() { - awk 'BEGIN { FS="[ \t]*=[ \t]*" } $1 == "'$1'" { print $2; exit }' ${CONFIGFILE} +depend() { + need localmount } -cgroup_get_mount() { - mount | awk '$5 == "cgroup" { print $3; exit }' +lxc_get_configfile() { + if [ -f "/etc/lxc/${CONTAINER}.conf" ]; then + echo "/etc/lxc/${CONTAINER}.conf" + elif [ -f "/etc/lxc/${CONTAINER}/config" ]; then + echo "/etc/lxc/${CONTAINER}/config" + else + 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 + fi } -checkconfig() { - if [ ${CONTAINER} = ${SVCNAME} ]; then - eerror "You have to create an init script for each container:" - eerror " ln -s lxc /etc/init.d/lxc.container" - return 1 - fi - - utsname=$(lxc_get_var lxc.utsname) - if [ ${CONTAINER} != ${utsname} ]; then - eerror "You should use the same name for the service and the" - eerror "container. Right now the container is called ${utsname}" - return 1 - fi +lxc_get_var() { + awk 'BEGIN { FS="[ \t]*=[ \t]*" } $1 == "'$1'" { print $2; exit }' ${CONFIGFILE} } -depend() { - # be quiet, since we have to run depend() also for the - # non-muxed init script, unfortunately. - checkconfig 2>/dev/null || return 0 - - config ${CONFIGFILE} - need localmount - - # find out which network interface the container is linked to, - # and then require that to be enabled, so that the - # dependencies are correct. - netif=$(lxc_get_var lxc.network.link) - [ -n "${netif}" ] && need net.${netif} +checkconfig() { + if [ ${CONTAINER} = ${SVCNAME} ]; then + eerror "You have to create an init script for each container:" + eerror " ln -s lxc /etc/init.d/lxc.container" + return 1 + fi + CONFIGFILE=${CONFIGFILE:-$(lxc_get_configfile)} + + # no need to output anything, the function takes care of that. + [ -z "${CONFIGFILE}" ] && return 1 + + utsname=$(lxc_get_var lxc.utsname) + if [ ${CONTAINER} != ${utsname} ]; then + eerror "You should use the same name for the service and the" + eerror "container. Right now the container is called ${utsname}" + return 1 + fi } start() { - checkconfig || return 1 - - # make sure that cgroup is mounted if it isn't already, this - # ensures that we can actually proceed! - cgroupmount=$(cgroup_get_mount) - if [ -z ${cgroupmount} ]; then - mkdir -p /cgroup - - if ! mount -t cgroup cgroup /cgroup; then - eerror "Unable to mount cgroup pseudo-filesystem on /cgroup" - return 1 - fi - - cgroupmount=/cgroup - fi - - rm /var/log/lxc/${CONTAINER}.log - - rootpath=$(lxc_get_var lxc.rootfs) - - # Check the format of our init and the chroot's init, to see if we - # have to use linux32 or linux64… - case $(scanelf -BF '%M#f' /sbin/init ${rootpath}/sbin/init | tr '\n' ':') in - ELFCLASS64:ELFCLASS64:) setarch=;; - ELFCLASS32:ELFCLASS32:) setarch=;; - ELFCLASS32:ELFCLASS64:) setarch=linux64;; - ELFCLASS64:ELFCLASS32:) setarch=linux32;; - esac - - ebegin "Starting ${CONTAINER}" - ${setarch} lxc-start -l WARN -n ${CONTAINER} -f ${CONFIGFILE} -d -o /var/log/lxc/${CONTAINER}.log - sleep 0.5 - - # lxc-start -d will _always_ report a correct startup, even if it - # failed, so rather than trust that, check that the cgroup exists. - [ -d ${cgroupmount}/${CONTAINER} ] - eend $? + checkconfig || return 1 + rm -f /var/log/lxc/${CONTAINER}.log + + rootpath=$(lxc_get_var lxc.rootfs) + checkpath -d ${pidfile%/*} + ebegin "Starting ${CONTAINER}" + start-stop-daemon --start $command \ + --pidfile $pidfile \ + --wait 500 \ + -- \ + --daemon \ + --pidfile $pidfile \ + --name ${CONTAINER} \ + --rcfile ${CONFIGFILE} \ + --logpriority WARN \ + --logfile /var/log/lxc/${CONTAINER}.log + eend $? } stop() { - checkconfig || return 1 - - cgroupmount=$(cgroup_get_mount) - - if ! [ -d ${cgroupmount}/${CONTAINER} ]; then - ewarn "${CONTAINER} doesn't seem to be started." - return 0 - fi - - init_pid=$(head -n1 ${cgroupmount}/${CONTAINER}/tasks) - - ebegin "Shutting down system in ${CONTAINER}" - kill -INT ${init_pid} - eend $? - - sleep 15 - - missingprocs=$(pgrep -P ${init_pid}) - - if [ -n "${missingprocs}" ]; then - ewarn "Something failed to properly shut down in ${CONTAINER}" - fi + checkconfig || return 1 + + if ! [ -d /sys/fs/cgroup/cpuset/lxc/${CONTAINER} ]; then + ewarn "${CONTAINER} doesn't seem to be started." + return 0 + fi + + ebegin "Shutting down system in ${CONTAINER}" + start-stop-daemon --stop --pidfile ${pidfile} \ + --retry ${POWEROFF_SIGNAL:-SIGUSR2}/${TIMEOUT:-30} \ + --progress + eend $? + + ebegin "Stopping ${CONTAINER}" + lxc-stop -n ${CONTAINER} + eend $? +} - ebegin "Stopping ${CONTAINER}" - lxc-stop -n ${CONTAINER} - eend $? +reboot() { + checkconfig || return 1 + ebegin "Sending reboot signal to $CONTAINER" + start-stop-daemon --signal ${RESTART_SIG:-SIGTERM} \ + --pidfile ${pidfile} + eend $? } |