#!/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 CGroups Rules Engine Daemon
# chkconfig: - 14 86
# 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 $syslog
# Should-Start:
# Should-Stop:
# Short-Description: start and stop the cgroups rules engine daemon
# Description: CGroup Rules Engine is a tool for automatically using \
# cgroups to classify processes
### END INIT INFO
prefix=/usr;exec_prefix=${prefix};sbindir=${exec_prefix}/sbin
CGRED_BIN=$sbindir/cgrulesengd
CGRED_CONF=/etc/cgrules.conf
# Sanity checks
[ -x $CGRED_BIN ] || exit 0
# Source function library & LSB routines
. /etc/rc.d/init.d/functions
. /lib/lsb/init-functions
# Read in configuration options.
if [ -f "/etc/sysconfig/cgred.conf" ] ; then
. /etc/sysconfig/cgred.conf
OPTIONS="$NODAEMON $LOG"
if [ -n "$LOG_FILE" ]; then
OPTIONS="$OPTIONS --logfile=$LOG_FILE"
fi
if [ -n "$SOCKET_USER" ]; then
OPTIONS="$OPTIONS -u $SOCKET_USER"
fi
if [ -n "$SOCKET_GROUP" ]; then
OPTIONS="$OPTIONS -g $SOCKET_GROUP"
fi
else
OPTIONS=""
fi
# For convenience
processname=cgrulesengd
servicename=cgred
lockfile="/var/lock/subsys/$servicename"
pidfile=/var/run/cgred.pid
start()
{
echo -n $"Starting CGroup Rules Engine Daemon: "
if [ -f "$lockfile" ]; then
log_failure_msg "$servicename is already running with PID `cat ${pidfile}`"
return 0
fi
num=`grep "cgroup" /proc/mounts | awk '$3=="cgroup"' | wc -l`
if [ $num -eq 0 ]; then
echo
log_failure_msg $"Cannot find cgroups, is cgconfig service running?"
return 1
fi
daemon --check $servicename --pidfile $pidfile $CGRED_BIN $OPTIONS
retval=$?
echo
if [ $retval -ne 0 ]; then
return 7
fi
touch "$lockfile"
if [ $? -ne 0 ]; then
return 1
fi
echo "`pidof $processname`" > $pidfile
return 0
}
stop()
{
echo -n $"Stopping CGroup Rules Engine Daemon..."
if [ ! -f $pidfile ]; then
log_success_msg
return 0
fi
killproc -p $pidfile -TERM "$processname"
retval=$?
echo
if [ $retval -ne 0 ]; then
return 1
fi
rm -f "$lockfile" "$pidfile"
return 0
}
RETVAL=0
# See how we are called
case "$1" in
start)
start
RETVAL=$?
;;
stop)
stop
RETVAL=$?
;;
status)
status -p $pidfile $servicename
RETVAL=$?
;;
restart)
stop
start
RETVAL=$?
;;
condrestart)
if [ -f "$lockfile" ]; then
stop
start
RETVAL=$?
fi
;;
reload|flash)
if [ -f "$lockfile" ]; then
echo $"Reloading rules configuration..."
kill -s 12 `cat ${pidfile}`
RETVAL=$?
if [ $RETVAL -eq 0 ] ; then
log_success_msg
else
log_failure_msg
fi
else
log_failure_msg "$servicename is not running."
fi
;;
*)
echo $"Usage: $0 {start|stop|status|restart|condrestart|reload}"
RETVAL=2
;;
esac
exit $RETVAL
Generated by dwww version 1.15 on Fri Jun 21 07:28:39 CEST 2024.