162 lines
3.3 KiB
Plaintext
162 lines
3.3 KiB
Plaintext
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#!/bin/bash
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#
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# Start/Stop the CGroups Rules Engine Daemon
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#
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# Copyright Red Hat Inc. 2008
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#
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# Authors: Steve Olivieri <sjo@redhat.com>
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# This program is free software; you can redistribute it and/or modify it
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# under the terms of version 2.1 of the GNU Lesser General Public License
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# as published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it would be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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#
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# cgred CGroups Rules Engine Daemon
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# chkconfig: - 14 86
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# description: This is a daemon for automatically classifying processes \
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# into cgroups based on UID/GID.
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#
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# processname: cgrulesengd
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# pidfile: /var/run/cgred.pid
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#
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### BEGIN INIT INFO
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# Provides: cgrulesengd
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# Required-Start: $local_fs $syslog $cgconfig
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# Required-Stop: $local_fs $syslog
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# Should-Start:
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# Should-Stop:
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# Short-Description: start and stop the cgroups rules engine daemon
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# Description: CGroup Rules Engine is a tool for automatically using \
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# cgroups to classify processes
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### END INIT INFO
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prefix=@prefix@;exec_prefix=@exec_prefix@;sbindir=@sbindir@
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CGRED_BIN=$sbindir/cgrulesengd
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CGRED_CONF=/etc/cgrules.conf
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# Sanity checks
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[ -x $CGRED_BIN ] || exit 1
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# Source function library & LSB routines
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. /etc/rc.d/init.d/functions
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. /lib/lsb/init-functions
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# Read in configuration options.
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if [ -f "/etc/sysconfig/cgred.conf" ] ; then
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. /etc/sysconfig/cgred.conf
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OPTIONS="$NODAEMON $LOG"
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if [ -n "$LOG_FILE" ]; then
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OPTIONS="$OPTIONS --logfile=$LOG_FILE"
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fi
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if [ -n "$SOCKET_USER" ]; then
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OPTIONS="$OPTIONS -u $SOCKET_USER"
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fi
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if [ -n "$SOCKET_GROUP" ]; then
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OPTIONS="$OPTIONS -g $SOCKET_GROUP"
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fi
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else
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OPTIONS=""
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fi
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# For convenience
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processname=cgrulesengd
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servicename=cgred
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lockfile="/var/lock/subsys/$servicename"
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pidfile=/var/run/cgred.pid
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start()
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{
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echo -n $"Starting CGroup Rules Engine Daemon: "
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if [ -f "$lockfile" ]; then
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log_failure_msg "$servicename is already running with PID `cat ${pidfile}`"
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return 0
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fi
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num=`grep "cgroup" /proc/mounts | awk '$3=="cgroup"' | wc -l`
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if [ $num -eq 0 ]; then
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echo
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log_failure_msg $"Cannot find cgroups, is cgconfig service running?"
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return 1
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fi
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daemon --check $servicename --pidfile $pidfile $CGRED_BIN $OPTIONS
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retval=$?
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echo
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if [ $retval -ne 0 ]; then
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return 7
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fi
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touch "$lockfile"
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if [ $? -ne 0 ]; then
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return 1
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fi
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echo "`pidof $processname`" > $pidfile
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return 0
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}
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stop()
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{
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echo -n $"Stopping CGroup Rules Engine Daemon..."
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if [ ! -f $pidfile ]; then
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log_success_msg
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return 0
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fi
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killproc -p $pidfile -TERM "$processname"
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retval=$?
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echo
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if [ $retval -ne 0 ]; then
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return 1
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fi
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rm -f "$lockfile" "$pidfile"
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return 0
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}
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RETVAL=0
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# See how we are called
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case "$1" in
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start)
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start
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RETVAL=$?
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;;
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stop)
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stop
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RETVAL=$?
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;;
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status)
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status -p $pidfile $servicename
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RETVAL=$?
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;;
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restart)
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stop
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start
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RETVAL=$?
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;;
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condrestart)
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if [ -f "$lockfile" ]; then
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stop
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start
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RETVAL=$?
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fi
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;;
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reload|flash)
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if [ -f "$lockfile" ]; then
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echo $"Reloading rules configuration..."
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kill -s 12 `cat ${pidfile}`
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RETVAL=$?
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if [ $RETVAL -eq 0 ] ; then
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log_success_msg
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else
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log_failure_msg
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fi
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else
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log_failure_msg "$servicename is not running."
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fi
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;;
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*)
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echo $"Usage: $0 {start|stop|status|restart|condrestart|reload}"
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RETVAL=2
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;;
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esac
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exit $RETVAL
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