[gentoo-commits] gentoo-x86 commit in app-emulation/lxc/files: lxc.initd.3

[Markos Chandras (hwoarang)]

hwoarang    14/10/18 17:00:37

  Added:                lxc.initd.3
  Log:
  Version bump. Fixes bug #516772, #518484, #519662
  
  (Portage version: 2.2.14_rc1/cvs/Linux x86_64, signed Manifest commit with 
key 09BF4F54C2BA7F3C!)

Revision  Changes    Path
1.1                  app-emulation/lxc/files/lxc.initd.3

file : 
http://sources.gentoo.org/viewvc.cgi/gentoo-x86/app-emulation/lxc/files/lxc.initd.3?rev=1.1&view=markup
plain: 
http://sources.gentoo.org/viewvc.cgi/gentoo-x86/app-emulation/lxc/files/lxc.initd.3?rev=1.1&content-type=text/plain

Index: lxc.initd.3
===================================================================
#!/sbin/runscript
# Copyright 1999-2014 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/app-emulation/lxc/files/lxc.initd.3,v 1.1 
2014/10/18 17:00:37 hwoarang 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}
}

lxc_get_net_link_type() {
        awk 'BEGIN { FS="[ \t]*=[ \t]*"; _link=""; _type="" }
                $1 == "lxc.network.type" {_type=$2;}
                $1 == "lxc.network.link" {_link=$2;}
                {if(_link != "" && _type != ""){
                        printf("%s:%s\n", _link, _type );
                        _link=""; _type="";
                }; }' <${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

        local _x _if
        for _x in $(lxc_get_net_link_type); do
                _if=${_x%:*}
                case "${_x##*:}" in
                        # when the network type is set to phys, we can make use 
of a
                        # network service (for instance to set it up before we 
disable
                        # the net_admin capability), but we might also not set 
it up
                        # at all on the host and leave the net_admin capable 
service
                        # to take care of it.
                        phys)   use net.${_if} ;;
                        *)      need net.${_if} ;;
                esac
        done
}

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 [ -z "${init_pid}" ]; then
            ewarn "${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 $?
}