#!/bin/sh
#
# slurmd	The compute node daemon for SLURM.
#
### BEGIN INIT INFO
# Provides: slurm
# Required-Start: $udevd
# Required-Stop: $udevd
# Default-Start:
# Default-Stop:
# Description: The compute node daemon for SLURM
# Short-Description: start and stop slurm
### END INIT INFO
#
# chkconfig: - 90 10
# description:	slurmd is the compute node daemon of SLURM.
#		It monitors all tasks running on the compute node, accepts work (tasks),
#		launches tasks, and kills running tasks upon request.
# processname: slurmd
# config: /etc/slurm.conf
# pidfile: /var/run/slurmd.pid

# Do not load RH compatibility interface.
WITHOUT_RC_COMPAT=1

# Source function library.
. /etc/init.d/functions

PIDFILE=/var/run/slurmd.pid
LOCKFILE=/var/lock/subsys/slurmd
RETVAL=0

start()
{
	PRIVATE_KEY=$(sed -n '/^[[:blank:]]*JobCredentialPrivateKey[[:blank:]]*=/s/.*=[[:blank:]]*\(.*\)[[:blank:]]*$/\1/p' /etc/slurm.conf)
	PUBLIC_CERTIFICATE=$(sed -n '/^[[:blank:]]*JobCredentialPublicCertificate[[:blank:]]*=/s/.*=[[:blank:]]*\(.*\)[[:blank:]]*$/\1/p' /etc/slurm.conf)
	if [ ! -e "$PRIVATE_KEY" ]; then
		echo "Error: Can't find JobCredentialPrivateKey file ($PRIVATE_KEY) " >&2
		return 1
	fi

	if [ ! -e "$PUBLIC_CERTIFICATE" ]; then
		echo "Error: Can't find JobCredentialPublicCertificate file ($PUBLIC_CERTIFICATE) " >&2
		return 1
	fi

	start_daemon --pidfile "$PIDFILE" --lockfile "$LOCKFILE" --expect-user root -- slurmd
	RETVAL=$?
	return $RETVAL
}

stop()
{
	stop_daemon --pidfile "$PIDFILE" --lockfile "$LOCKFILE" --expect-user root -- slurmd
	RETVAL=$?
	return $RETVAL
}

restart()
{
	stop
	start
}

reload()
{
	msg_reloading slurmd
	scontrol reconfigure
	RETVAL=$?
	return $RETVAL
} 

# See how we were called.
case "$1" in
	start)
		start
		;;
	stop)
		stop
		;;
	reload)
		reload
		;;
	restart)
		restart
		;;
	condstop)
		if [ -e "$LOCKFILE" ]; then
			stop
		fi
		;;
	condrestart)
		if [ -e "$LOCKFILE" ]; then
			restart
		fi
		;;
	condreload)
		if [ -e "$LOCKFILE" ]; then
			reload
		fi
		;;
	status)
		status --pidfile "$PIDFILE" --expect-user root -- slurmd
		RETVAL=$?
		;;
	*)
		msg_usage "${0##*/} {start|stop|reload|restart|condstop|condrestart|condreload|status}"
		RETVAL=1
esac

exit $RETVAL