#!/bin/sh

#
# 1) set hostname
# 2) fill in the IP address of the box and the default route
# 3) disable/change software raid settings 
#

export PATH=/sbin:/bin:/usr/sbin:/usr/bin

# mount stuff
/bin/mount -n -t proc none /proc
/bin/mount -n -t sysfs none /sys
/bin/mount -n -t devpts none /dev/pts -o gid=5,mode=620
/bin/mount -n -t tmpfs none /dev/shm

CMDLINE=`cat /proc/cmdline`

# mount root RW 
/bin/mount -n -o remount,defaults,rw /

# rm old boot file
/bin/rm -f /tmp/READY_TO_BOOT

# set hostname
/sbin/hostname HOSTNAME

# network 
/sbin/ifconfig eth0 X.X.X.X netmask Y.Y.Y.Y. broadcast Z.Z.Z.Z
#/sbin/route add -host A.A.A.A gw B.B.B.B
/sbin/route add default gw B.B.B.B

# assemble raid
/sbin/mdadm -Ac partitions -m 0 /dev/md_d0 --auto=part10

# ssh
/usr/sbin/sshd >/dev/null 2>&1

# wait for real root to become ready
while [ 1 ];
do
	if [ ! -f /tmp/READY_TO_BOOT ]; then
		echo "waiting for root file system to become ready, sleeping 30 seconds"
		sleep 30
	else
		echo "ready"
		break
	fi
done

# kill ssh
killall -9 sshd
killall -9 /usr/sbin/sshd
sleep 1

# umount
umount -n /dev/shm
umount -n /proc
umount -n /sys
umount -n /dev/pts

# mount new_root
mount -n /dev/mapper/root /new_root

# pivot root
cd /new_root
mkdir old_root
pivot_root . old_root

# start init on new_root
exec chroot . /bin/sh <<- EOF >/dev/console 2>&1
umount old_root
exec /sbin/init ${CMDLINE}
EOF