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167 lines
5.1 KiB
167 lines
5.1 KiB
#!/bin/sh -eu
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#################################################################
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#### (c) Copyright 2004 Canonical Ltd. All rights reserved. ####
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#################################################################
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# Depends: debootstrap, rsync, cloop-utils, python
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cleanup() {
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for mnt in $MOUNTS; do
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umount $mnt || true
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done
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[ -n "$DEV" ] && losetup -d $DEV
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grep ${ROOT} /proc/mounts && return 1 || return 0
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}
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if [ $(id -u) != 0 ];then
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echo "must be run as root"
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exit 2
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fi
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umask 022
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export TTY=unknown
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case $(hostname --fqdn) in
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*.mmjgroup.com) MIRROR=http://ia/ubuntu;;
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*.warthogs.hbd.com) MIRROR=http://jackass.warthogs.hbd.com;;
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*.ubuntu.com) MIRROR=http://jackass.warthogs.hbd.com;;
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*) MIRROR=http://archive.ubuntu.com/ubuntu;;
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esac
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# How much space do we leave on the filesystem for the user?
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USZ="400*1024" # 400MB for the user
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# And how many inodes? Default currently gives them > 100000
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UINUM="" # blank (default), or number of inodes desired.
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STE=hoary
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ROOT=$(pwd)/chroot-livecd/ # trailing / is CRITICAL
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IMG=livecd.fsimg
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MOUNTS="${ROOT}dev/pts ${ROOT}dev/shm ${ROOT}.dev ${ROOT}dev ${ROOT}proc"
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rm -rf ${ROOT}
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mkdir -p ${ROOT}var/cache/debconf
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cat << @@EOF > ${ROOT}var/cache/debconf/config.dat
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Name: debconf/frontend
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Template: debconf/frontend
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Value: Noninteractive
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Owners: debconf
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Flags: seen
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@@EOF
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# need to defer udev until the apt-get, since debootstrap doesn't believe
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# in diversions
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debootstrap --exclude=udev,ubuntu-base $STE $ROOT $MIRROR
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# Just make a few things go away, which lets us skip a few other things.
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# sadly, udev's postinst does some actual work, so we can't just make it
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# go away completely.
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DIVERTS="usr/sbin/mkinitrd usr/sbin/invoke-rc.d etc/init.d/dbus-1 sbin/udevd"
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for file in $DIVERTS; do
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mkdir -p ${ROOT}${file%/*}
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sudo chroot $ROOT dpkg-divert --add --local \
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--divert /${file}.livecd --rename /${file}
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cp /bin/true ${ROOT}$file
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done
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# /bin/true won't cut it for mkinitrd, need to have -o support.
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cat << @@EOF > ${ROOT}/usr/sbin/mkinitrd
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#!/usr/bin/python
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import sys
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for i in range(len(sys.argv)):
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if sys.argv[i]=='-o':
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open(sys.argv[i+1],"w")
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@@EOF
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chmod 755 ${ROOT}usr/sbin/mkinitrd
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trap "cleanup" 0 1 2 3 15
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# Make a good /etc/kernel-img.conf for the kernel packages
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cat << @@EOF >> ${ROOT}etc/kernel-img.conf
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do_symlinks = yes
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relative_links = yes
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do_bootloader = no
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do_bootfloppy = no
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do_initrd = yes
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link_in_boot = no
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@@EOF
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mkdir -p ${ROOT}proc
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mount -tproc none ${ROOT}proc
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# In addition to the ones we got from apt, trust whatever the local system
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# believes in, but put things back afterwards.
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cp ${ROOT}etc/apt/trusted.gpg ${ROOT}etc/apt/trusted.gpg.$$
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cat /etc/apt/trusted.gpg >> ${ROOT}etc/apt/trusted.gpg
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case $(dpkg --print-architecture) in
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amd64) KERNEL="linux-amd64-generic";;
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i386) KERNEL=linux-386;;
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ia64) KERNEL="linux-itanium-smp linux-mckinley-smp";;
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powerpc) KERNEL="linux-powerpc linux-power3 linux-power4";;
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# and the bastard stepchildren
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hppa) KERNEL="linux-hppa32 linux-hppa64";;
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sparc*) KERNEL="linux-sparc64";;
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*) echo "Unknown architecture: no kernel."; exit 1;;
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esac
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# Create a good sources.list, and finish the install
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echo deb $MIRROR $STE main restricted > ${ROOT}etc/apt/sources.list
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chroot $ROOT apt-get update
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chroot $ROOT apt-get -y install ubuntu-base ubuntu-desktop $KERNEL </dev/null
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# remove our diversions
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for file in $DIVERTS; do
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ls -ld ${ROOT}${file} ${ROOT}${file}.livecd || true
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rm -f ${ROOT}${file}
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chroot $ROOT dpkg-divert --remove --rename /${file}
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done
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# And make this look more pristene
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cleanup
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cat << @@EOF > ${ROOT}etc/apt/sources.list
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deb http://archive.ubuntu.com/ubuntu $STE main restricted
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deb-src http://archive.ubuntu.com/ubuntu $STE main restricted
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## Uncomment the following two lines to add software from the 'universe'
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## repository.
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## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
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## team, and may not be under a free licence. Please satisfy yourself as to
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## your rights to use the software. Also, please note that software in
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## universe WILL NOT receive any review or updates from the Ubuntu security
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## team.
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# deb http://archive.ubuntu.com/ubuntu $STE universe
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# deb-src http://archive.ubuntu.com/ubuntu $STE universe
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# deb http://security.ubuntu.com/ubuntu ${STE}-security main restricted
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# deb-src http://security.ubuntu.com/ubuntu ${STE}-security main restricted
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@@EOF
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mv ${ROOT}etc/apt/trusted.gpg.$$ ${ROOT}etc/apt/trusted.gpg
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# get rid of the .debs - we don't need them.
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chroot ${ROOT} apt-get clean
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rm ${ROOT}var/lib/apt/lists/*_*
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rm ${ROOT}var/spool/postfix/maildrop/*
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# Make the filesystem, with some room for meta data and such
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SZ=$(python -c "print int($(du -sk $ROOT|sed 's/[^0-9].*$//')*1.1+$USZ)")
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(( SZ > 2097150 )) && SZ=2097150
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rm -f $IMG
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dd if=/dev/zero of=$IMG seek=$SZ bs=1024 count=1
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INUM=""
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if [ -n "$UINUM" ]; then
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INUM="-N "$(python -c "print $(find ${ROOT} | wc -l)+$UINUM")
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fi
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mke2fs $INUM -Osparse_super -F $IMG
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DEV=$(losetup -f);
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losetup $DEV $IMG
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mkdir -p livecd.mnt
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MOUNTS="$MOUNTS $(pwd)/livecd.mnt"
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mount $DEV livecd.mnt
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rsync -a ${ROOT} livecd.mnt
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create_compressed_fs $IMG 65536 > livecd.cloop
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