echo ARP=no >> /etc/sysconfig/network-scripts/ifcfg-eth0

# Get hostname
export HOSTNAME=$(host $IP 2>/dev/null | awk '{print $5}' | awk -F. '{print $1}')
hostname $HOSTNAME

# Run xcat postscripts
# Master/service node set by nodeset
export MASTER_IPS=( replace_master )
export MASTER=replace_master
cd /tmp
RAND=$(perl -e 'print int(rand(50)). "\n"')
sleep $RAND

# Loop through the master/service nodes
for i in $(seq 1 20)
do
	GOTIT=0
	for i in $MASTER_IPS
	do
		# Download postscripts from FTP server
		wget -l inf -N -r --waitretry=10 --random-wait --retry-connrefused  -t 0 -T 60 ftp://$i/postscripts
		if [ "$?" = "0" ]; then
			# Exit if openssl is not executable
			if [ ! -x /usr/bin/openssl ]; then
				exit 1
			fi
			
			USEOPENSSLFORXCAT=1
			export USEOPENSSLFORXCAT
			
			# Get xcat server
			XCATSERVER=$i:3001
			export XCATSERVER
         
			# Move postscritps into /xcatpost
			mv $i/postscripts /xcatpost
			# Remove postscritps
			rm -rf $i
			# Make postscripts executable
			chmod +x /xcatpost/*

			# Get postscript to run on this node from xcat server
			/xcatpost/getpostscript.awk |sed -e 's/<[^>]*>//g'|egrep -v '^ *$'|sed -e 's/^ *//' > /tmp/mypostscript
			MYCONT=`grep MASTER /tmp/mypostscript`
         		MAX_RETRIES=10
			RETRY=0
			while [ -z "$MYCONT" ]; do
				RETRY=$(($RETRY+1))
				if [ $RETRY -eq $MAX_RETRIES ]
				then
					break
				fi

				# Sleep a couple of seconds before trying again
				let SLI=$RANDOM%10+10
				sleep $SLI
			
				# Get postscript to run on this node from xcat server
				/xcatpost/getpostscript.awk |sed -e 's/<[^>]*>//g'|egrep -v '^ *$'|sed -e 's/^ *//' > /tmp/mypostscript
				MYCONT=`grep MASTER /tmp/mypostscript`
			done

			# Make executable
			chmod +x /tmp/mypostscript
			GOTIT=1
			break
		fi
	done
	
	# If postscripts for this node are found
	if [ "$GOTIT" = "1" ]; then
		# Save the master/service node to /opt/xcat/xcatinfo file
		if [ ! -f /opt/xcat/xcatinfo ]; then
			mkdir -p /opt/xcat
			touch /opt/xcat/xcatinfo
		fi
		echo "XCATSERVER=$i" > /opt/xcat/xcatinfo
	    	break
	fi
	RAND=$(perl -e 'print int(rand(5)). "\n"')
	sleep $RAND
done

cd /xcatpost
export PATH=/xcatpost:$PATH

# use the run_ps subroutine to run the postscripts
TMP=`sed "/postscripts-start-here/,/postscripts-end-here/ s/\(.*\)/run_ps \1/;s/run_ps\s*#/#/;s/run_ps\s*$//" /tmp/mypostscript`
echo "
# subroutine used to run postscripts
run_ps () {
 logdir=\"/var/log/xcat\"
 mkdir -p \$logdir
 logfile=\"/var/log/xcat/xcat.log\"
 
 if [ -f \$1 ]; then 
  echo \"Running postscript: \$@\" | tee -a \$logfile
  ./\$@ 2>&1 1> /tmp/tmp4xcatlog
  cat /tmp/tmp4xcatlog | tee -a \$logfile
 else
  echo \"Postscript \$1 does NOT exist.\" | tee -a \$logfile
 fi
}
# subroutine end

" > /tmp/mypostscript
echo "$TMP" >> /tmp/mypostscript
TMP=`sed "/postbootscripts-start-here/,/postbootscripts-end-here/ s/\(.*\)/run_ps \1/;s/run_ps\s*#/#/;s/run_ps\s*$//" /tmp/mypostscript`
echo "$TMP" > /tmp/mypostscript 



# Save post boot scripts to /tmp/mypostscript.post
TMP=`sed "/postscripts-start-here/,/postscripts-end-here/ d" /tmp/mypostscript`
echo "$TMP" > /tmp/mypostscript.post
chmod 755 /tmp/mypostscript.post

# Create post init
cat >/etc/init.d/xcatpostinit1 << 'EOF'
# Install directory variable set by nodeset
replace_install_dir/postscripts/xcatpostinit1
EOF
# Change permissions
chmod 755 /etc/init.d/xcatpostinit1

# Create post install
mkdir -p /opt/xcat
cat >/opt/xcat/xcatinstallpost << 'EOF'
# Install directory variable set by nodeset
replace_install_dir/postscripts/xcatinstallpost
chkconfig xcatpostinit1 off
EOF
chmod 755 /opt/xcat/xcatinstallpost

chkconfig --add xcatpostinit1

# Only run preboot scripts here
TMP=`sed "/postbootscripts-start-here/,/postbootscripts-end-here/ d" /tmp/mypostscript`
echo "$TMP" > /tmp/mypostscript
/tmp/mypostscript

# Master/service node variable set by nodeset
updateflag.awk replace_master 3002

# Restore default SELinux security context
restorecon -R -v /root/.ssh