`#!/bin/sh
# $Id: peg.init.host,v 1.12 2009/01/21 21:18:49 anderson Exp $
#
# peg 		This script takes care of starting and stopping
#		all relevant peg services from a central location
#
#		The list of services to run are controlled by
#		/usr/local/etc/peg.conf
#
# chkconfig: 2345 99 10
# description: peg is standard performance metrics gathering tool \
# that reports any arbitrary numeric metrics to a storage service
#
# probe: true
#
# Source function library.
#
# For Solaris machines, this should only be installed on Solaris 5.8 and 5.9
# Solaris 5.10 is handled directly by SMF
#
'dnl
changequote(,)dnl

CONFIG=/usr/local/etc/peg.conf
PEG=/usr/local/sbin/peg

ifelse(HOSTTYPE,SUN5,PIDFILE=/var/run/peg/peg.pid
)dnl
ifelse(HOSTTYPE,LINUX,
# Import standard functions
. /etc/rc.d/init.d/functions

GREP=grep
EGREP=egrep
,HOSTTYPE,SUN5,
GREP=/usr/xpg4/bin/grep
EGREP=/usr/xpg4/bin/egrep
)dnl

# Source in local.defs
[ -f /usr/local/lib/distrib/local.defs ] && \
	. /usr/local/lib/distrib/local.defs

PATH=${PATH}:/usr/local/sbin:/usr/local/bin:/usr/local/libexec
dnl
ifelse(HOSTTYPE,SUN5,
PATH=/usr/xpg4/bin:${PATH}
)dnl

export PATH

ifelse(HOSTOS,LINUX,

# Source networking configuration.
[ -r /etc/sysconfig/network ] && . /etc/sysconfig/network

)dnl

# Check for the configuration file.  If missing do not pass Go!
[ -f $CONFIG ] || exit 0

RETVAL=0
prog="peg"
user="monitor"

# -P100 should be sufficient, if we are running more than 
# 100 persistent samples then we should increase this number.
OPTIONS="-S/bin/ksh -P100"

start() {
        # Start daemons.
	if pegstatus 1>/dev/null; then 
		return 0;
	fi
dnl
ifelse(HOSTTYPE,LINUX,
	if status $prog 1>/dev/null; then 
		return 0;
	fi
        echo -n $"Starting $prog: "
        daemon --user $user $PEG
	RETVAL=$?
 	[ $RETVAL -eq 0 ] && touch /var/lock/subsys/peg
	echo
,HOSTTYPE,SUN5,
	# Start daemons
	mkdir -p /var/run/peg
	chown monitor:monitor /var/run/peg
	su - $user -c "$PEG --pidfile $PIDFILE"
	RETVAL=$?
	if [ 0 = $RETVAL ] ; then
		echo -e "\\033[71G[  OK   ]";
	else
		echo -e "\\033[71G[ ERROR ]";
	fi
)dnl
	return $RETVAL
}
stop() {
        # Stop daemons.
        echo -n $"Stopping $prog: "
dnl
ifelse(HOSTTYPE,LINUX,
	killproc peg
	RETVAL=$?
        echo
	echo -n $"Stopping remaining $prog processes:"
	# Kill any remaining $user owned processes
	su - $user -c "kill -15 -1"
	su - $user -c "kill -9 -1"
	echo_success
,HOSTTYPE,SUN5,
	# Kill parent process and its children
	[ -f $PIDFILE ] &&
		su - $user -c "kill `cat $PIDFILE`"
	RETVAL=$?
	if [ 0 = $RETVAL ] ; then
		echo -e "\\033[71G[  OK   ]";
	else
		echo -e "\\033[71G[ ERROR ]";
	fi
	echo -n$"Stopping remaining $prog processes:"
	# Kill any remaining $user owned processes
	su - $user -c "kill -15 -1"
	su - $user -c "kill -9 -1"
	echo -e "\\033[71G[  OK   ]";
)dnl
ifelse(HOSTTYPE,LINUX,
	[ $RETVAL -eq 0 ] && rm -f /var/lock/subsys/peg
)dnl

	echo
	return $RETVAL
}
pegstatus() {
dnl
ifelse(HOSTTYPE,LINUX,
	rhstatus $prog 2>/dev/null || 
		status $prog 2>/dev/null
	RETVAL=$?
	return $RETVAL
,HOSTTYPE,SUN5,
	[ -f $PIDFILE ] || RETVAL=1
	ps -p `cat $PIDFILE`
	RETVAL=($? || $RETVAL)
	if [ 0 = $RETVAL ] ; then
		echo "$prog is running on `cat $PIDFILE`"
	else
		echo "$prog is stopped"
	fi
	return $RETVAL
)dnl

}
restart() {
	stop
	start
}

# See how we were called.
case "$1" in
	start)
		start
		;;
	stop)
		stop
		;;
	status)
		pegstatus
		;;
	restart)
		restart
		;;
dnl
ifelse(HOSTTYPE,LINUX,
	probe)
		if ! [ -f /var/run/$prog.pid ] ; then
			echo "restart";
			exit 0;
		fi
		if ! pgrep -P `cat /var/run/$prog.pid` >/dev/null ; then
			echo "restart";
			exit 0;
		fi;
		;;
	condrestart)
		[ -f /var/lock/subsys/$prog ] && restart
		;;
,HOSTTYPE,SUN5,
	probe)
		if ps -p `cat /var/run/$prog.pid` >/dev/null ; then
			echo "restart";
			exit 0;
		fi
		;;
)dnl
	*)
        	echo $"Usage: $0 {start|stop|status|restart|condrestart|reload|probe}"
		exit 1
esac

exit $?
dnl
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