119 lines
3.2 KiB
Plaintext
119 lines
3.2 KiB
Plaintext
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#!/sbin/runscript
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# Copyright 1999-2015 Gentoo Foundation
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# Distributed under the terms of the GNU General Public License v2
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# $Id$
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CONTAINER=${SVCNAME#*.}
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LXC_PATH=`lxc-config lxc.lxcpath`
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lxc_get_configfile() {
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if [ -f "${LXC_PATH}/${CONTAINER}.conf" ]; then
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echo "${LXC_PATH}/${CONTAINER}.conf"
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elif [ -f "${LXC_PATH}/${CONTAINER}/config" ]; then
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echo "${LXC_PATH}/${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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[ $CONTAINER != $SVCNAME ] && CONFIGFILE=${CONFIGFILE:-$(lxc_get_configfile)}
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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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lxc_get_net_link_type() {
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awk 'BEGIN { FS="[ \t]*=[ \t]*"; _link=""; _type="" }
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$1 == "lxc.network.type" {_type=$2;}
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$1 == "lxc.network.link" {_link=$2;}
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{if(_link != "" && _type != ""){
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printf("%s:%s\n", _link, _type );
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_link=""; _type="";
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}; }' <${CONFIGFILE}
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}
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checkconfig() {
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if [ ${CONTAINER} = ${SVCNAME} ]; then
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eerror "You have to create an init script for each container:"
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eerror " ln -s lxc /etc/init.d/lxc.container"
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return 1
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fi
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# no need to output anything, the function takes care of that.
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[ -z "${CONFIGFILE}" ] && return 1
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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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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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config ${CONFIGFILE}
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need localmount
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local _x _if
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for _x in $(lxc_get_net_link_type); do
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_if=${_x%:*}
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case "${_x##*:}" in
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# when the network type is set to phys, we can make use of a
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# network service (for instance to set it up before we disable
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# the net_admin capability), but we might also not set it up
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# at all on the host and leave the net_admin capable service
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# to take care of it.
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phys) use net.${_if} ;;
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*) need net.${_if} ;;
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esac
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done
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}
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start() {
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checkconfig || return 1
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rm /var/log/lxc/${CONTAINER}.log
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rootpath=$(lxc_get_var lxc.rootfs)
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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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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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# 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 $?
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}
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stop() {
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checkconfig || return 1
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if ! [ -d /sys/fs/cgroup/cpuset/lxc/${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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# 10s should be enough to shut everything down
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ebegin "Stopping ${CONTAINER}"
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lxc-stop -t 10 -n ${CONTAINER}
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eend $?
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}
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