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#!/sbin/runscript |
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# Copyright 1999-2012 Gentoo Foundation |
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# Distributed under the terms of the GNU General Public License v2 |
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# $Header: /var/cvsroot/gentoo-x86/app-emulation/lxc/files/lxc.initd.2,v 1.5 2012/07/21 05:07:15 flameeyes Exp $ |
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|
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CONTAINER=${SVCNAME#*.} |
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|
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lxc_get_configfile() { |
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if [ -f "/etc/lxc/${CONTAINER}.conf" ]; then |
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echo "/etc/lxc/${CONTAINER}.conf" |
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elif [ -f "/etc/lxc/${CONTAINER}/config" ]; then |
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echo "/etc/lxc/${CONTAINER}/config" |
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else |
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eerror "Unable to find a suitable configuration file." |
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eerror "If you set up the container in a non-standard" |
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eerror "location, please set the CONFIGFILE variable." |
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return 1 |
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fi |
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} |
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|
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[ $CONTAINER != $SVCNAME ] && CONFIGFILE=${CONFIGFILE:-$(lxc_get_configfile)} |
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|
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lxc_get_var() { |
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awk 'BEGIN { FS="[ \t]*=[ \t]*" } $1 == "'$1'" { print $2; exit }' ${CONFIGFILE} |
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} |
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|
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checkconfig() { |
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if [ ${CONTAINER} = ${SVCNAME} ]; then |
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eerror "You have to create an init script for each container:" |
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eerror " ln -s lxc /etc/init.d/lxc.container" |
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return 1 |
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fi |
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|
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# no need to output anything, the function takes care of that. |
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[ -z "${CONFIGFILE}" ] && return 1 |
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|
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utsname=$(lxc_get_var lxc.utsname) |
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if [ ${CONTAINER} != ${utsname} ]; then |
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eerror "You should use the same name for the service and the" |
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eerror "container. Right now the container is called ${utsname}" |
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return 1 |
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fi |
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} |
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|
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depend() { |
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# be quiet, since we have to run depend() also for the |
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# non-muxed init script, unfortunately. |
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checkconfig 2>/dev/null || return 0 |
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|
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config ${CONFIGFILE} |
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need localmount |
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|
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# find out which network interface the container is linked to, |
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# and then require that to be enabled, so that the |
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# dependencies are correct. |
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netif=$(lxc_get_var lxc.network.link) |
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|
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# when the network type is set to phys, we can make use of a |
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# network service (for instance to set it up before we disable |
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# the net_admin capability), but we might also not set it up |
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# at all on the host and leave the net_admin capable service |
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# to take care of it. |
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nettype=$(lxc_get_var lxc.network.type) |
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|
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if [ -n "${netif}" ]; then |
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case "${nettype}" in |
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phys) use net.${netif} ;; |
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*) need net.${netif} ;; |
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esac |
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fi |
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} |
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|
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start() { |
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checkconfig || return 1 |
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rm /var/log/lxc/${CONTAINER}.log |
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|
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rootpath=$(lxc_get_var lxc.rootfs) |
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|
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# Check the format of our init and the chroot's init, to see |
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# if we have to use linux32 or linux64; always use setarch |
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# when required, as that makes it easier to deal with |
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# x32-based containers. |
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case $(scanelf -BF '%a#f' ${rootpath}/sbin/init) in |
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EM_X86_64) setarch=linux64;; |
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EM_386) setarch=linux32;; |
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esac |
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|
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ebegin "Starting ${CONTAINER}" |
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env -i ${setarch} $(type -p lxc-start) -l WARN -n ${CONTAINER} -f ${CONFIGFILE} -d -o /var/log/lxc/${CONTAINER}.log |
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sleep 0.5 |
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|
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# lxc-start -d will _always_ report a correct startup, even if it |
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# failed, so rather than trust that, check that the cgroup exists. |
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[ -d /sys/fs/cgroup/cpuset/lxc/${CONTAINER} ] |
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eend $? |
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} |
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|
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stop() { |
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checkconfig || return 1 |
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|
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|
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if ! [ -d /sys/fs/cgroup/cpuset/lxc/${CONTAINER} ]; then |
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ewarn "${CONTAINER} doesn't seem to be started." |
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return 0 |
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fi |
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|
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init_pid=$(lxc-info -n ${CONTAINER} --pid | awk '{ print $2 }') |
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|
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if [ "${init_pid}" = "-1" ]; then |
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ewarn "${CONTAINER} doesn't seem to be running." |
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return 0 |
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fi |
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|
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ebegin "Shutting down system in ${CONTAINER}" |
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kill -PWR ${init_pid} |
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eend $? |
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|
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TIMEOUT=${TIMEOUT:-30} |
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i=0 |
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while [ -n "$(pgrep -P ${init_pid})" -a $i -lt ${TIMEOUT} ]; do |
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sleep 1 |
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i=$(expr $i + 1) |
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done |
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|
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if [ -n "${missingprocs}" ]; then |
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ewarn "Something failed to properly shut down in ${CONTAINER}" |
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fi |
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|
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ebegin "Stopping ${CONTAINER}" |
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lxc-stop -n ${CONTAINER} |
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eend $? |
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} |
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