#!/bin/bash
# 
# mdmonitor	This starts, stops, and reloads the mdadm-based
#		software RAID monitoring and management facility
#
# chkconfig: 2345 15 85
# description: software RAID monitoring and management
# config: /etc/mdadm.conf
#

# Copyright 2002 Red Hat, Inc.

PATH=/sbin:/usr/sbin:$PATH
RETVAL=0

prog=mdmonitor

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

# Make sure configuration file exists and has information we can use
# MAILADDR or PROGRAM or both must be set in order to run mdadm --monitor
[ -f /etc/mdadm.conf ] || exit 0
grep '^\(MAILADDR\|PROGRAM\) .' /etc/mdadm.conf >/dev/null 2>&1 || exit 0


usage ()
{
    echo "Usage: service $prog {start|stop|status|restart|condrestart}"
    RETVAL=1
}


start ()
{
    ulimit -S -c 0 >/dev/null 2>&1
    echo -n $"Starting $prog: "
    daemon --check mdadm \
	"/bin/bash -c \"mdadm --monitor --scan -f > /var/run/mdadm.pid\""
    # hack: wait for mdadm to die, assume success if it doesn't die quickly
    usleep 100000
    if [ -s /var/run/mdadm.pid -a -d /proc/$(cat /var/run/mdadm.pid) ] ; then
	success $"mdadm"
	RETVAL=0
        touch /var/lock/subsys/$prog
    else
	failure $"mdadm"
	rm -f /var/run/mdadm.pid
        rm -f /var/lock/subsys/$prog
	RETVAL=1
    fi
    echo
}

stop ()
{
    echo -n "Killing $prog: "
    killproc mdadm
    echo
    rm -f /var/run/mdadm.pid
    rm -f /var/lock/subsys/$prog
}

restart ()
{
    stop
    start
}

condrestart ()
{
    [ -e /var/lock/subsys/$prog ] && restart
}


case "$1" in
    start) start ;;
    stop) stop ;;
    status) status mdadm ;;
    restart|reload) restart ;;
    condrestart) condrestart ;;
    *) usage ;;
esac

exit $RETVAL