| #!/sbin/runscript |
| # 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 1.6 2012/11/14 02:15:10 flameeyes Exp $ |
| |
| CONTAINER=${SVCNAME#*.} |
| |
| lxc_get_configfile() { |
| if [ -f "/etc/lxc/${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 |
| } |
| |
| [ $CONTAINER != $SVCNAME ] && CONFIGFILE=${CONFIGFILE:-$(lxc_get_configfile)} |
| |
| lxc_get_var() { |
| awk 'BEGIN { FS="[ \t]*=[ \t]*" } $1 == "'$1'" { print $2; exit }' ${CONFIGFILE} |
| } |
| |
| checkconfig() { |
| if [ ${CONTAINER} = ${SVCNAME} ]; then |
| eerror "You have to create an init script for each container:" |
| eerror " ln -s lxc /etc/init.d/lxc.container" |
| return 1 |
| fi |
| |
| # no need to output anything, the function takes care of that. |
| [ -z "${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 |
| } |
| |
| 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) |
| |
| # when the network type is set to phys, we can make use of a |
| # network service (for instance to set it up before we disable |
| # the net_admin capability), but we might also not set it up |
| # at all on the host and leave the net_admin capable service |
| # to take care of it. |
| nettype=$(lxc_get_var lxc.network.type) |
| |
| if [ -n "${netif}" ]; then |
| case "${nettype}" in |
| phys) use net.${netif} ;; |
| *) need net.${netif} ;; |
| esac |
| fi |
| } |
| |
| start() { |
| checkconfig || return 1 |
| rm /var/log/lxc/${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; always use setarch |
| # when required, as that makes it easier to deal with |
| # x32-based containers. |
| case $(scanelf -BF '%a#f' ${rootpath}/sbin/init) in |
| EM_X86_64) setarch=linux64;; |
| EM_386) setarch=linux32;; |
| esac |
| |
| ebegin "Starting ${CONTAINER}" |
| env -i ${setarch} $(type -p 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 /sys/fs/cgroup/cpuset/lxc/${CONTAINER} ] |
| eend $? |
| } |
| |
| stop() { |
| checkconfig || return 1 |
| |
| |
| if ! [ -d /sys/fs/cgroup/cpuset/lxc/${CONTAINER} ]; then |
| ewarn "${CONTAINER} doesn't seem to be started." |
| return 0 |
| fi |
| |
| init_pid=$(lxc-info -n ${CONTAINER} --pid | awk '{ print $2 }') |
| |
| if [ "${init_pid}" = "-1" ]; then |
| ewarn "${CONTAINER} doesn't seem to be running." |
| return 0 |
| fi |
| |
| ebegin "Shutting down system in ${CONTAINER}" |
| kill -PWR ${init_pid} |
| eend $? |
| |
| TIMEOUT=${TIMEOUT:-30} |
| i=0 |
| while [ -n "$(pgrep -P ${init_pid})" -a $i -lt ${TIMEOUT} ]; do |
| sleep 1 |
| i=$(expr $i + 1) |
| done |
| |
| if [ -n "${missingprocs}" ]; then |
| ewarn "Something failed to properly shut down in ${CONTAINER}" |
| fi |
| |
| ebegin "Stopping ${CONTAINER}" |
| lxc-stop -n ${CONTAINER} |
| eend $? |
| } |