diff options
Diffstat (limited to 'vzctl/init.d')
| -rw-r--r-- | vzctl/init.d/vz.initd | 245 |
1 files changed, 245 insertions, 0 deletions
diff --git a/vzctl/init.d/vz.initd b/vzctl/init.d/vz.initd new file mode 100644 index 0000000..665be64 --- /dev/null +++ b/vzctl/init.d/vz.initd @@ -0,0 +1,245 @@ +#!/sbin/runscript +# Copyright 1999-2005 Gentoo Foundation +# Distributed under the terms of the GNU General Public License v2 +# $Header: /var/cvsroot/gentoo-x86/sys-cluster/vzctl/files/vz.initd,v 1.1 2005/09/26 15:32:35 hollow Exp $ + +depend() { + need net + before iptables +} + +check_config() { + # if we don't want openvz running, say so + [ "${VIRTUOZZO}" = "yes" ] || return 1 + + # set default values + : ${VZCTL:=/usr/sbin/vzctl} + : ${VZQUOTA:=/usr/sbin/vzquota} + : ${VZVEINFO:=/proc/vz/veinfo} + : ${VPSCONFDIR:=/etc/vz} + : ${PRELOAD_MODULES:="af_packet"} + : ${MODULES:="vzmon vzdquota vzdev"} + : ${NET_MODULES="vznetdev vznet"} + : ${VZDEV:=venet0} + : ${PARALLEL:=4} + + # check if you should load vzwdog module + [ "${VZWDOG}" = "yes" ] && MODULES="${MODULES} vzwdog" + + # we need a working vzctl + if [ ! -x "${VZCTL}" ]; then + eerror "vzctl missing (${VZCTL})" + return 1 + fi + + # prevent dumb users from failure + if [ ! -e /dev/vzctl ]; then + eerror "Missing device node /dev/vzctl" + einfo + einfo "Please create the vzctl device node using the following command:" + einfo " /bin/mknod /dev/vzctl c 126 0" + einfo + return 1 + fi + + if [ -z "${VE0CPUUNITS}" ]; then + ewarn "VE0CPUUNITS is not set in /etc/conf.d/vz; using default value of 1000" + VE0CPUUNITS=1000 + fi + return 0 +} + +start_net() { + local mod + + # we don't operate on a running interface + if /sbin/ip addr ls | grep -q "venet0:.*UP" 2>/dev/null; then + return 0 + fi + + # load necessary modules + for mod in ${NET_MODULES}; do + /sbin/modprobe ${mod} 2>/dev/null + done + + # configure the device + ebegin "Bringing up interface ${VZDEV}" + /sbin/ip link set ${VZDEV} up + eend $? + + /sbin/ip addr add 0.0.0.0/0 dev ${VZDEV} + + ebegin "Configuring interface ${VZDEV}" + /sbin/sysctl -q -w net.ipv4.conf.${VZDEV}.send_redirects=0 + eend $? +} + +stop_net() { + local mod + + if /sbin/ip a l | grep -q "venet0:.*UP" 2>/dev/null; then + ebegin "Bringing down interface ${VZDEV}" + /sbin/ip link set ${VZDEV} down 2>/dev/null + eend $? + fi + + # remove all modules we probably loaded on start_net + for mod in ${NET_MODULES}; do + /sbin/modprobe -r ${mod} > /dev/null 2>&1 + done +} + +start_ve() { + local veid velist msg need_restart="" + + # get all VPSs we should start on boot + if ! cd ${VPSCONFDIR}; then + eerror $? "Unable to cd to ${VPSCONFDIR}" + return 1 + fi + velist=$(grep -l '^ONBOOT=yes\|^ONBOOT=\"yes\"' [0-9]*.conf 2>/dev/null | sed -e 's/.conf//g' | sort -n) + cd - >/dev/null + + /sbin/sysctl -q -w net.ipv4.route.src_check=0 + + for veid in ${velist}; do + ebegin "Starting VPS ${veid}" + if [ "${VZFASTBOOT}" = "yes" -a "${DISK_QUOTA}" = "yes" ]; then + ${VZQUOTA} stat ${veid} >/dev/null 2>&1 + if [ $? -eq 6 ]; then + if ${VZQUOTA} show ${veid} 2>&1 | grep "vzquota : (warning) Quota is running" >/dev/null 2>&1; then + ${VZQUOTA} on ${veid} --nocheck >/dev/null 2>&1 + need_restart="${need_restart} ${veid}" + fi + fi + fi + msg=$(${VZCTL} start ${veid} 2>&1) + eend $? "${msg}" + done + + for veid in ${need_restart}; do + ebegin "Stopping VPS ${veid}" + msg=$(${VZCTL} stop ${veid}) + eend $? "${msg}" + + ebegin "Starting VPS ${veid}" + msg=$($VZCTL start ${veid} 2>&1) + eend $? "${msg}" + done + + # we're ok even if some VPSs failed to start + return 0 +} + +stop_ve() { + local veid velist msg m mounts fail i iter pid pids quota + + if [ -f ${VZVEINFO} ]; then + for ((i = 0; i <= 2; i++)); do + iter=0 + pids= + velist=$(awk '{print $1;}' < ${VZVEINFO} | grep -v "^0$") + + for veid in ${velist}; do + ebegin "Shutting down VPS $veid" + # Set fairsched parameters to maximum so + # VPS will stop fast + ${VZCTL} set ${veid} --cpuunits 2000 --cpulimit 0 >/dev/null 2>&1 + ${VZCTL} --skiplock stop ${veid} >/dev/null 2>&1 & + pids="${pids} $!" + let iter++ + sleep 1 + if [ ${iter} -gt ${PARALLEL} ]; then + for pid in ${pids}; do + wait ${pid} + done + pids= + iter=0 + fi + done + + for pid in ${pids}; do + wait ${pid} + done + done + fi + + iter=0 + fail=1 + + while [ ${iter} -lt 5 -a ${fail} -ne 0 ]; do + fail=0 + mounts=$(awk '{if ($3=="simfs") print $2}' /proc/mounts) + + for m in ${mounts}; do + ebegin "Unmounting VPS area ${m}" + msg=$(umount ${m} 2>&1) + eend $? "${msg}" + if [ $? -ne 0 ]; then + let fail++ + fuser -k -m ${m} > /dev/null 2>&1 + fi + done + + let iter++ + done + + # turn quota off + quota=$(awk -F: '/^[0-9]+:/{print $1}' /proc/vz/vzquota 2>/dev/null) + + for m in ${quota}; do + ebegin "Turning quota off for VPS ${m}" + msg=$(vzquota off ${m} 2>&1) + eend $? "${msg}" + done +} + +start() { + check_config || return + + local msg mod rc + + ebegin "Loading OpenVZ modules" + for mod in ${PRELOAD_MODULES}; do + /sbin/modprobe -r ${mod} >/dev/null 2>&1 + /sbin/modprobe ${mod} >/dev/null 2>&1 + done + + for mod in ${MODULES}; do + /sbin/modprobe ${mod} >/dev/null 2>&1 + rc=$? + if [ ${rc} -ne 0 ]; then + eend ${rc} "failed to load module ${mod}" + return ${rc} + fi + done + eend + + start_net + + msg=$(${VZCTL} set 0 --cpuunits ${VE0CPUUNITS} 2>&1) + [ $? -ne 0 ] && ewarn "vzctl set 0 --cpuunits ${VE0CPUUNITS} failed: ${msg}" + + start_ve +} + +stop() { + check_config || return + + local mod + + stop_ve + stop_net + + for mod in ${MODULES}; do + /sbin/modprobe -r ${mod} > /dev/null 2>&1 + done + + for mod in ${PRELOAD_MODULES}; do + /sbin/modprobe -r ${mod} > /dev/null 2>&1 + done + + # Even if some modules failed to unload (say they were not loaded) + # we return 0 for the service to be marked as stopped. + return 0 +} |