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|
#!/bin/sh
#
# cgconfig Control Groups Configuration Startup
# chkconfig: 2345 01 99
# description: This script runs the cgconfigparser utility to parse and setup \
# the control group filesystem. It uses /etc/cgconfig.conf \
# and parses the configuration specified in there.
# Source function library
. /etc/rc.d/init.d/functions
# read the config
CREATE_DEFAULT=yes
[ -f /etc/sysconfig/cgconfig ] && . /etc/sysconfig/cgconfig
create_default_groups() {
local defaultcgroup controllers
if [ -f /etc/cgrules.conf ]; then
defaultcgroup=$(awk '/^\*[\t ]+/ { print $3; exit }' /etc/cgrules.conf)
if [ -n "$defaultcgroup" -a "$defaultcgroup" = "*" ]; then
# nls "/etc/cgrules.conf incorrect. Overriding it"
defaultcgroup=
fi
fi
if [ -z $defaultcgroup ]; then
defaultcgroup=sysdefault/
fi
#
# Find all mounted subsystems and create comma-separated list
# of controllers.
#
controllers=$(lssubsys 2>/dev/null | awk '{ if (v) v=v","$0 ; else v=$0 } END { printf "%s", v }')
#
# Create the default group, ignore errors when the default group
# already exists.
#
cgcreate -f 664 -d 775 -g $controllers:$defaultcgroup 2>/dev/null
#
# special rule for cpusets
#
if echo $controllers | grep -q -w cpuset; then
local cpus mems
cpus=$(cgget -nv -r cpuset.cpus /)
cgset -r cpuset.cpus=$cpus $defaultcgroup
mems=$(cgget -nv -r cpuset.mems /)
cgset -r cpuset.mems=$mems $defaultcgroup
fi
#
# Classify everything to default cgroup. Ignore errors, some processes
# may exit after ps is run and before cgclassify moves them.
#
cgclassify -g $controllers:$defaultcgroup $(ps --no-headers -eL o tid) 2>/dev/null || :
}
start() {
# Check if the service is already running?
if [ -f /var/lock/subsys/cgconfig ]; then
msg_already_running "cgconfig"
return
fi
if [ ! -s /etc/cgconfig.conf ]; then
nls "/etc/cgconfig.conf is not configured"
RETVAL=6
return
fi
msg_starting "cgconfig"; busy
local out
out=$(/sbin/cgconfigparser -l /etc/cgconfig.conf 2>&1)
RETVAL=$?
if [ $RETVAL -ne 0 ]; then
fail
[ "$out" ] && echo >&2 "$out"
exit $RETVAL
fi
if is_yes "$CREATE_DEFAULT"; then
create_default_groups
fi
RETVAL=$?
[ $RETVAL -eq 0 ] && touch /var/lock/subsys/cgconfig
ok
}
stop() {
if [ ! -f /var/lock/subsys/cgconfig ]; then
msg_not_running "cgconfig"
return
fi
msg_stopping "cgconfig"
cgclear
cgclear
rm -f /var/lock/subsys/cgconfig
ok
}
condrestart() {
if [ ! -f /var/lock/subsys/cgconfig ]; then
msg_not_running "cgconfig"
RETVAL=$1
return
fi
stop
start
}
RETVAL=0
case "$1" in
start)
start
;;
stop)
stop
;;
restart)
stop
start
;;
try-restart)
condrestart 0
;;
force-reload)
condrestart 7
;;
status)
if [ -f /var/lock/subsys/cgconfig ] ; then
echo "Running"
exit 0
else
echo "Stopped"
exit 3
fi
;;
*)
msg_usage "$0 {start|stop|restart|try-restart|force-reload|status}"
exit 3
;;
esac
exit $RETVAL
|
