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#!/bin/sh
# Don't do anything special if computer is already booted
if [ $$ -ne 1 ]
then
exec /sbin/init.orig $*
echo "FATAL ERROR: exec /sbin/init.orig failed" >&2
exit 1
fi
# Don't do anything special if root is rw (ie master system).
if touch /test-rw
then
rm /test-rw
echo "WARNING: master system installed" >&2
exec /sbin/init.orig $*
echo "FATAL ERROR: exec /sbin/init.orig failed" >&2
exit 1
fi
# Try and find configuration file
if [ -f /etc/diskless-image/config ]
then
# Load config file
. /etc/diskless-image/config
# Get IP address, need to mount /proc first
mount -n none /proc -t proc
#IP=`cat /proc/cmdline | sed 's/^.*nfsaddrs=\([0-9\.]\+\).*$/\1/'`
IP=`ifconfig | grep -A1 eth0 | grep -v eth0 | sed 's/^.*inet addr:\([0-9\.]\+\).*$/\1/'`
echo "Client IP address is $IP"
# Mount client's /etc directory
echo -n "Mounting NFS-root directories..."
mount -n $nfsserver:/$nfshostsdir/$IP/etc /etc -orw,nolock
# Update entries in /etc/mtab
rm -f /etc/mtab~ /etc/nologin
: > /etc/mtab
mount -o remount /
mount -o remount /etc
mount -o remount /proc
# report success
echo "done."
else
echo "ERROR: Cannot find image config file"
echo " Not mounting NFS-root directories"
fi
# Only should get here if something went wrong
exec /sbin/init.orig $*
echo "FATAL ERROR: exec /sbin/init.orig failed" >&2
exit 1
|
