xcat-core/xCAT-server/share/xcat/install/scripts/pre.rh

if grep n8r /proc/cmdline > /dev/null 2>&1;
then
  stty crtscts
fi
for x in 0 1 2 3 4 5 6 7 8
do
	mknod /dev/vcs$x c 7 $x
	mknod /dev/vcsa$x c 7 $[$x+128]
done
chmod 644 /dev/vcs*
chown root /dev/vcs*
if [ -r /tmp/updates/etc/pki/tls/certs/ca-bundle.crt ]; then
        cp -f /tmp/updates/etc/pki/tls/certs/ca-bundle.crt /etc/pki/tls/certs/
fi


cat >/tmp/foo.py <<EOF
#!/usr/bin/python

import socket
import os
import linecache
import re

sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.connect(('#XCATVAR:XCATMASTER#',#TABLE:site:key=xcatiport:value#))

response = sock.recv(100)
if(response == "ready\n"):
	sock.send("installmonitor\n")
	response = sock.recv(100)

sock.close()

sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)

port = 3001
sock.bind(('', port))

sock.listen(5)

try:
	while 1:
		newSocket, address = sock.accept()
		while 1:
			received = newSocket.recv(200)
			if not received:
				break
			command = re.split('\s+',received)
			if(command[0] == "stat"):
				ilog = ""
				firstline = ""
				line = ""
				post = 0
				percent = 0
				count = 0
				numpack = 0
				if(os.path.isfile('/mnt/sysimage/root/install.log')):
					ilog = '/mnt/sysimage/root/install.log'
				if(os.path.isfile('/mnt/sysimage/tmp/install.log')):
					ilog = '/mnt/sysimage/tmp/install.log'
				if(os.path.isfile('/mnt/sysimage/root/post.log')):
					ilog = '/mnt/sysimage/root/post.log'
					post = 1
				if(ilog):
					count = len(open(ilog).readlines())
					firstline = linecache.getline(ilog,1)
					line = linecache.getline(ilog,count)
					linecache.clearcache()
				if(line and not post):
					r1 = re.compile("^Installing (\d+) ")
					m1 = r1.search(firstline)
					if m1:
						numpack = int(m1.group(1))
						if(numpack > 0):
							percent = int(((count - 2) * 100)/numpack + .5)
						if(percent > 100):
							percent = 100
						if(percent < 0):
							percent = 0
					r2 = re.compile("^Installing (.*)\.")
					m2 = r2.search(line)
					if m2:
						newline = m2.group(1)
						newline = newline + " ("
						newline = newline + str(percent)
						newline = newline + "%)"
#						newline = newline + " ["
#						count = count - 2
#						newline = newline + str(count)
#						newline = newline + "/"
#						newline = newline + str(numpack)
#						newline = newline + "]"
					else:
						newline = "prep"
					line = "installing " + newline
				if(line and post):
					line = "installing " + line
				if(not line):
					line = "installing prep"
				newSocket.send(line)
				break
#			if(command[0] == "sh"): #DEBUG purposes only, wide open root priv command here.
#				newcommand = ""
#				for i in command[1:]:
#					newcommand = newcommand + i + " "
#				output = os.popen(newcommand).read()
#				newSocket.send(output)
#				break
			if(command[0] == "screendump"):
				newcommand = "cat /dev/vcs"
				for i in command[1:]:
					newcommand = newcommand + i
				output = os.popen(newcommand).read()
				newSocket.send(output)
				break
				
		newSocket.close()

finally:
	sock.close()
EOF

chmod 755 /tmp/foo.py

/tmp/foo.py >/foo.log 2>&1 &
#time to ascertain fstype and PReP/UEFI/legacy
#also, find first available block device (sda or vda likely)
#TODO: pick a likely non-SAN target if possible
shopt -s nullglob
for disk in /dev/vd*[^0-9];do
	if [ -z "$firstdirectdisk" ]; then firstdirectdisk=$disk; fi #remember first disk as a guess of medium resort
	eddname=$(/lib/udev/edd_id $disk 2> /dev/null)
	if [ ! -z "$eddname" -a "$eddname" = "int13_dev80" ]; then
		instdisk=$disk
		break
	fi
done
if [ -z "$instdisk" ]; then
	for disk in /dev/sd*[^0-9]; do
		eddname=$(/lib/udev/edd_id $disk 2> /dev/null)
		if [ ! -z "$eddname" -a "$eddname" = "int13_dev80" ]; then
			instdisk=$disk
			break
		fi
		currdriver=`udevadm info --attribute-walk --name $disk |grep DRIVERS|grep -v '""'|grep -v '"sd"'|head -n 1|sed -e 's/[^"]*"//' -e 's/"//'`
		case "$currdriver" in 
		"ata_piix4"|"PMC MaxRAID"|"ahci"|"megaraid_sas") #certainly direct
			if [ -z "$firstdirectdisk" ]; then firstdirectdisk=$disk; fi #remember first disk as a guess of medium resort
			;;
		"mptsas"|"mpt2sas") #*PROBABLY* not SAN, but SAS SAN is possible
			if [ -z "$probablyfirstdirectdisk" ]; then probablyfirstdirectdisk=$disk; fi #remember first disk as a guess of medium resort
			;;
		*)
			if [ -z "$firstdisk" ]; then firstdisk=$disk; fi #remember first disk as a guess of medium resort
			;;
		esac
	done
fi
if [ -z "$instdisk" ]; then
	if [ ! -z "$firstdirectdisk" ]; then 
		instdisk=$firstdirectdisk 
	elif [ ! -z "$probablyfirstdirectdisk" ]; then
		instdisk=$probablyfirstdirectdisk 
	elif [ ! -z "$firstdisk" ]; then
		instdisk=$firstdisk 
	fi
fi
		

modprobe ext4 >& /dev/null
modprobe ext4dev >& /dev/null
if grep ext4dev /proc/filesystems > /dev/null; then
	FSTYPE=ext3
elif grep ext4 /proc/filesystems > /dev/null; then
	FSTYPE=ext4
else
	FSTYPE=ext3
fi
if [ `uname -m` = "ppc64" ]; then
	echo 'part None --fstype "PPC PReP Boot" --ondisk $instdisk --size 8' >> /tmp/partitioning 
fi
if [ -d /sys/firmware/efi ]; then 
	echo 'part /boot/efi --size 50 --ondisk $instdisk --fstype vfat' >> /tmp/partitioning
fi

#TODO: ondisk detection, /dev/disk/by-id/edd-int13_dev80 for legacy maybe, and no idea about efi.  at least maybe blacklist SAN if mptsas/mpt2sas/megaraid_sas seen...
echo "part /boot --size 256 --fstype ext3 --ondisk $instdisk" >> /tmp/partitioning
echo "part swap --recommended --ondisk $instdisk" >> /tmp/partitioning
echo "part / --size 1 --grow --ondisk $instdisk --fstype $FSTYPE" >> /tmp/partitioning