File initd_cgred of Package libcgroup1.import4148

#!/bin/bash
#
# Start/Stop the CGroups Rules Engine Daemon
#
# Copyright Red Hat Inc. 2008
#
# Copyright (C) 2008 Jiri Slaby <jslaby@suse.cz>
#
# 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.
#
### BEGIN INIT INFO
# Provides:		cgrulesengd
# Required-Start:	$local_fs $remote_fs $syslog cgconfig
# Required-Stop:	$local_fs $remote_fs $syslog cgconfig
# 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

CGRED_BIN=/usr/sbin/cgrulesengd

test -x $CGRED_BIN || exit 5

. /lib/lsb/init-functions

# Read in configuration options.
if [ -f "/etc/sysconfig/cgred" ] ; then
	. /etc/sysconfig/cgred
	OPTIONS="$NODAEMON $NOLOG"
	[ -n $LOG_FILE ] && OPTIONS="$OPTIONS --log $LOG_FILE"
else
	OPTIONS="--nolog"
fi

servicename=cgred
lockfile=/var/lock/subsys/cgred
pidfile=/var/run/cgred.pid

start()
{
	if [ -f $lockfile ] ; then
		pidofproc -k -p $pidfile $CGRED_BIN
		if [ $? -eq 7 ]; then
			log_warning_msg "Removing stale lock file $lockfile"
			rm -f $lockfile
			rm -f $pidfile
		else
			log_failure_msg "$servicename is already running with PID `cat $pidfile`"
			return 1
		fi
	fi
	start_daemon -p $pidfile $CGRED_BIN $OPTIONS
	retval=$?
	if [ $retval -eq 0 ] ; then 
		touch $lockfile
		pidofproc $CGRED_BIN > $pidfile
	fi
	return $retval
}

stop()
{
	killproc -p $pidfile $CGRED_BIN
	retval=$?
	if [ $retval -eq 0 ] ; then
		rm -f $lockfile
		rm -f $pidfile
	fi
	return $retval
}

case "$1" in
	start)
		echo -n "Starting CGroup Rules Engine Daemon"
		start
		rc_status -v
		;;
	stop)
		echo -n "Stopping CGroup Rules Engine Daemon"
		stop
		rc_status -v
		;;
	status)
		echo -n "Checking for CGroup Rules Engine Daemon"
		checkproc -k -p $pidfile $CGRED_BIN
		if [ $? -eq 7 ] ; then
			rc_failed 3
		fi
		rc_status -v
		;;
	restart)
		stop
		start
		rc_status
		;;
	condrestart)
		if [ -f $lockfile ] ; then
			stop
			start
		fi
		rc_status
		;;
	reload)
		if [ -f $lockfile ] ; then
			echo -n "Reloading rules configuration..."
			killproc -SIGUSR2 -p $pidfile $CGRED_BIN
		else
			echo "$servicename is not running."
			rc_failed 7
		fi
		rc_status -v
		;;
	*)
		echo "Usage: $0 {start|stop|status|restart|condrestart|reload}"
		exit 1
		;;
esac