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#!/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-3.0.10.initd,v 1.2 2006/07/09 10:29:24 phreak 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/conf}
: ${PRELOAD_MODULES:="af_packet"}
: ${MODULES:="vzmon vzdquota vzdev"}
: ${MIGRATE_MODULES:="vzcpt vzrst"}
: ${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 (${VZCTL})"
return 1
fi
if [ -z "${VE0CPUUNITS}" ]; then
ewarn "VE0CPUUNITS is not set in /etc/conf.d/vz; using default value of 1000"
VE0CPUUNITS=1000
fi
return 0
}
setup_ve0() {
local msg ve0conf="${VPSCONFDIR}/0.conf"
msg=$(${VZCTL} set 0 --cpuunits ${VE0CPUUNITS} 2>&1)
[ $? -ne 0 ] && ewarn "vzctl set 0 --cpuunits ${VE0CPUUNITS} failed: ${msg}"
test -f ${ve0conf} || return
egrep -q '^ONBOOT=yes\|^ONBOOT=\"yes\"' ${ve0conf} || return
ebegin "Configuring hardware node UB resources: "
msg=$(${VZCTL} set 0 --reset_ub 2>&1)
eend $? ${msg}
}
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 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
for mod in ${MIGRATE_MODULES}; do
/sbin/modprobe ${mod} >/dev/null 2>&1
done
eend
# 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
start_net
setup_ve0
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
}
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