#! /bin/bash
MAXTRYTIMES=5
LOGFILE=/tmp/eischkcfg.log
LOG () {
	echo $1
	echo [`date`]"$1" >> $LOGFILE
}

LOG "Start testing NTP server."
chmod a+w $LOGFILE
NTPSERVERNAME=ntp.uow.edu.au
i="0"
while [ $i -lt $MAXTRYTIMES ]
do
	i=$[$i+1]
	ping -c 3 $NTPSERVERNAME > /dev/null 2>&1
	if [ $? -ne 0 ]
	then
		LOG "ERROR: NTP server is not responding!"
# sleep for 5 to 10 secs before next try
		sleep $(( ( RANDOM % 10 ) + 5 ))
	else
		LOG "NTP server is working."
		break
	fi
done
LOG "Sync time now."
ntpdate $NTPSERVERNAME >> $LOGFILE 2>&1

LOG "Start testing home folder server."
HOMEFOLDERSERVERNAME=home.adeis.uow.edu.au
i="0"
while [ $i -lt $MAXTRYTIMES ]
do
	i=$[$i+1]
	ping -c 3 $HOMEFOLDERSERVERNAME > /dev/null 2>&1
	if [ $? -ne 0 ]
	then
		LOG "ERROR: Home folder server is not responding!"
# sleep for 5 to 10 secs before next try
		sleep $(( ( RANDOM % 10 ) + 5 ))
	else
		LOG "Home folder server is working."
		break
	fi
done

i="0"
while [ $i -lt $MAXTRYTIMES ]
do
	i=$[$i+1]
	if [ ! -d /home/undergrad/ ]
	then
		LOG "ERROR: Undergrad home folder is not available!"
		LOG "Try to restart autofs service."
		service --status-all | grep -q autofs
		if [ $? -eq 0 ]; then
		    service autofs restart >> $LOGFILE 2>&1 ;
		else
		    /etc/init.d/autofs restart >> $LOGFILE 2>&1 ;
		fi
# sleep for 5 to 10 secs before next try
		sleep $(( ( RANDOM % 10 ) + 5 ))
	fi
done