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#!/bin/ksh -p
#
# CDDL HEADER START
#
# The contents of this file are subject to the terms of the
# Common Development and Distribution License, Version 1.0 only
# (the "License"). You may not use this file except in compliance
# with the License.
#
# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
# or http://www.opensolaris.org/os/licensing.
# See the License for the specific language governing permissions
# and limitations under the License.
#
# When distributing Covered Code, include this CDDL HEADER in each
# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
# If applicable, add the following below this CDDL HEADER, with the
# fields enclosed by brackets "[]" replaced with your own identifying
# information: Portions Copyright [yyyy] [name of copyright owner]
#
# CDDL HEADER END
#
# Copyright 2005 Sun Microsystems, Inc. All rights reserved.
# Use is subject to license terms.
#pragma ident "%Z%%M% %I% %E% SMI"
#
# basic setup
#
rddir=/tmp/create_ramdisk.$$.tmp
rdfile=${rddir}/rd.file
rdmnt=${rddir}/rd.mount
errlog=${rddir}/rd.errlog
format=ufs
ALT_ROOT=
NO_AMD64=
BOOT_ARCHIVE=platform/i86pc/boot_archive
export PATH=${PATH}:/usr/sbin:/usr/bin:/sbin
#
# Parse options
#
while getopts R: OPT 2> /dev/null
do
case $OPT in
R) ALT_ROOT="$OPTARG"
if [ "$ALT_ROOT" != "/" ]; then
echo "Creating ram disk on ${ALT_ROOT}"
fi
;;
?) echo Usage: ${0##*/}: [-R \<root\>]
exit ;;
esac
done
if [ -x /usr/bin/mkisofs -o -x /tmp/bfubin/mkisofs ] ; then
format=isofs
fi
shift `expr $OPTIND - 1`
if [ $# -eq 1 ]; then
ALT_ROOT=$1
echo "Creating ram disk on ${ALT_ROOT}"
fi
# make directory for temp files safely
rm -rf ${rddir}
mkdir ${rddir}
# Clean up upon exit.
trap 'cleanup' EXIT
function cleanup {
umount -f ${rdmnt} 2>/dev/null
lofiadm -d ${rdfile} 2>/dev/null
rm -fr ${rddir} 2> /dev/null
}
function getsize {
# Estimate image size, add %10 overhead for ufs stuff
total_size=0
for file in $filelist
do
du -sk ${ALT_ROOT}/${file} | read size name
(( total_size += size ))
done
(( total_size += total_size * 10 / 100 ))
}
function create_ufs
{
# should we exclude amd64 binaries?
[ $is_amd64 -eq 0 ] && NO_AMD64="-name amd64 -prune"
# calculate image size
getsize
mkfile ${total_size}k ${rdfile}
lofidev=`lofiadm -a ${rdfile}`
newfs ${lofidev} < /dev/null 2> /dev/null
mkdir ${rdmnt}
mount -F mntfs mnttab /etc/mnttab > /dev/null 2>&1
mount -o nologging ${lofidev} ${rdmnt}
# do the actual copy
cd /${ALT_ROOT}
find $filelist -print ${NO_AMD64}| cpio -pdum ${rdmnt} 2> /dev/null
umount ${rdmnt}
lofiadm -d ${rdfile}
rmdir ${rdmnt}
gzip -c ${rdfile} > ${ALT_ROOT}/${BOOT_ARCHIVE}-new
}
function create_isofs
{
# should we exclude amd64 binaries?
[ $is_amd64 = 0 ] && NO_AMD64="-m amd64"
# create image directory seed with graft points
mkdir ${rdmnt}
files=
isocmd="mkisofs -quiet -graft-points -dlrDJN -relaxed-filenames ${NO_AMD64}"
for path in $filelist
do
if [ -d ${ALT_ROOT}/$path ]; then
isocmd="$isocmd $path/=${ALT_ROOT}/$path"
mkdir -p ${rdmnt}/$path
elif [ -f ${ALT_ROOT}/$path ]; then
files="$files $path"
else
echo "/${ALT_ROOT}/$path not present"
fi
done
cd /${ALT_ROOT}
find $files 2> /dev/null | cpio -pdum ${rdmnt} 2> /dev/null
isocmd="$isocmd ${rdmnt}"
rm -f ${errlog}
${isocmd} 2> ${errlog} | gzip > ${ALT_ROOT}/${BOOT_ARCHIVE}-new
if [ -s ${errlog} ]; then
grep Error: ${errlog} >/dev/null 2>&1
if [ $? -eq 0 ]; then
grep Error: ${errlog}
rm -f ${ALT_ROOT}/${BOOT_ARCHIVE}-new
fi
fi
rm -f ${errlog}
}
#
# get filelist
#
files=${ALT_ROOT}/boot/solaris/filelist.ramdisk
if [ -f ${ALT_ROOT}/etc/boot/solaris/filelist.ramdisk ]; then
files="$files ${ALT_ROOT}/etc/boot/solaris/filelist.ramdisk"
fi
filelist=`cat $files | sort | uniq`
#
# decide if cpu is amd64 capable
#
prtconf -v /devices | grep CPU_not_amd64 > /dev/null 2>&1
is_amd64=$?
echo "updating ${ALT_ROOT}/${BOOT_ARCHIVE}...this may take a minute"
if [ $format = "ufs" ]; then
create_ufs
else
create_isofs
fi
if [ ! -f ${ALT_ROOT}/${BOOT_ARCHIVE}-new ]; then
echo "update of ${ALT_ROOT}/${BOOT_ARCHIVE} failed"
rm -rf ${rddir}
exit 1
fi
#
# For the diskless case, hardlink archive to /boot to make it
# visible via tftp. /boot is lofs mounted under /tftpboot/<hostname>.
# NOTE: this script must work on both client and server
#
grep "[ ]/[ ]*nfs[ ]" $ALT_ROOT/etc/vfstab > /dev/null
if [ $? = 0 ]; then
mv ${ALT_ROOT}/${BOOT_ARCHIVE}-new ${ALT_ROOT}/${BOOT_ARCHIVE}
rm -f ${ALT_ROOT}/boot/boot_archive
ln ${ALT_ROOT}/${BOOT_ARCHIVE} ${ALT_ROOT}/boot/boot_archive
rm -rf ${rddir}
exit
fi
lockfs -f /$ALT_ROOT
mv ${ALT_ROOT}/${BOOT_ARCHIVE}-new ${ALT_ROOT}/${BOOT_ARCHIVE}
lockfs -f /$ALT_ROOT
rm -rf ${rddir}
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