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#!/bin/bash
#
# Start/Stop the CGroups Rules Engine Daemon
#
# Copyright Red Hat Inc. 2008
#
# Authors: Steve Olivieri <sjo@redhat.com>
# This program is free software; you can redistribute it and/or modify it
# under the terms of version 2.1 of the GNU Lesser General Public License
# as published by the Free Software Foundation.
#
# This program is distributed in the hope that it would be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
#
# cgred GGroups Rules Engine Daemon
# chkconfig: 2345 80 20
# description: This is a daemon for automatically classifying processes \
# into cgroups based on UID/GID.
#
# processname: cgrulesengd
# pidfile: /var/run/cgred.pid
#
### BEGIN INIT INFO
# Provides: cgrulesengd
# Required-Start: $local_fs $syslog $cgconfig
# Required-Stop: $local_fs $syslog
# Should-Start:
# Should-Stop:
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: start and stop the cgroups rules engine daemon
# Description: CGroup Rules Engine is a tool for automatically using \
# cgroups to classify processes
### END INIT INFO
prefix=/usr
exec_prefix=/usr
bindir=/bin
CGRED_BIN=${exec_prefix}/${bindir}/cgrulesengd
# Sanity checks
[ -x $CGRED_BIN ] || exit 1
# Source function library & LSB routines
. /etc/rc.d/init.d/functions
. /lib/lsb/init-functions
# Read in configuration options.
if [ -f "/etc/cgred.d/cgred.conf" ] ; then
. /etc/cgred.d/cgred.conf
OPTIONS="$NODAEMON $LOG"
if [ -n "$LOG_FILE" ]; then
OPTIONS="$OPTIONS --log-file=$LOG_FILE"
fi
else
OPTIONS=""
fi
# For convenience
processname=cgrulesengd
servicename=cgred
pidfile=/var/run/cgred.pid
RETVAL=0
start()
{
echo $"Starting CGroup Rules Engine Daemon..."
if [ -f "/var/lock/subsys/$servicename" ] ; then
echo "$servicename is already running with PID `cat ${pidfile}`"
return 1
fi
daemon --check $servicename --pidfile $pidfile $processname $OPTIONS
RETVAL=$?
echo
[ $RETVAL -eq 0 ] && touch /var/lock/subsys/$servicename
echo "`pidof $processname`" > $pidfile
}
stop()
{
echo -n $"Stopping CGroup Rules Engine Daemon..."
killproc -p $pidfile $processname -TERM
RETVAL=$?
echo
if [ $RETVAL -eq 0 ] ; then
rm -f /var/lock/subsys/$servicename
rm -f $pidfile
fi
}
# See how we are called
case "$1" in
start)
start
;;
stop)
stop
;;
status)
status -p $pidfile $processname
RETVAL=$?
;;
restart)
stop
start
;;
condrestart)
if [ -f /var/lock/subsys/$servicename ] ; then
stop
start
fi
;;
flash)
if [ -f /var/lock/subsys/$servicename ] ; then
echo $"Reloading rules configuration..."
kill -s 12 `cat ${pidfile}`
RETVAL=$?
echo
else
echo $"$servicename is not running."
fi
;;
*)
echo $"Usage: $0 {start|stop|status|restart|condrestart|flash}"
;;
esac
exit $RETVAL
|
