X-Git-Url: https://git.grml.org/?p=grml-debootstrap.git;a=blobdiff_plain;f=chroot-script;h=bc933531be275fa5f8f0a9fc2107be50c2f55d1f;hp=4a505acde90b03b278d090639a11aed5d7906157;hb=139f1a82802a0cbef7f231b0fae51f9357a7f518;hpb=93dc78c05afaa9e4a6f7f822203c69f8402ce4d1;ds=sidebyside diff --git a/chroot-script b/chroot-script index 4a505ac..bc93353 100644 --- a/chroot-script +++ b/chroot-script @@ -4,76 +4,296 @@ # Authors: grml-team (grml.org), (c) Michael Prokop # Bug-Reports: see http://grml.org/bugs/ # License: This file is licensed under the GPL v2. -# Latest change: Fre Nov 03 23:19:29 CET 2006 [mika] +# Latest change: Mon Apr 23 12:02:03 CEST 2007 [mika] ################################################################################ set -e # exit on any error -. /etc/debootstrap/config || exit 1 +. /etc/debootstrap/config || exit 1 +. /etc/debootstrap/variables || exit 1 [ -r /proc/1 ] || mount -t proc none /proc -if [ -n "$CHROOTMIRROR" ] ; then - echo "deb $CHROOTMIRROR $RELEASE main contrib non-free" /etc/apt/sources.list +# variable checks {{{ + +# use aptitude only if it's available +if [ -x /usr/bin/aptitude ] ; then + APTINSTALL='aptitude -y install ' + APTUPDATE='aptitude update' +else + APTINSTALL='apt-get --force-yes -y install' + APTUPDATE='apt-get update' +fi + +if [ -z "$STAGES" ] ; then + STAGES='/etc/debootstrap/stages' + [ -d "$STAGES" ] || mkdir -p "$STAGES" fi +# }}} + +# helper functions {{{ +stage() { + if [ -n "$2" ] ; then + echo "$2" > "$STAGES/$1" + return 0 + elif grep -q done "$STAGES/$1" 2>/dev/null ; then + echo "[*] Notice: stage $1 has been executed already, skipping execution therefore.">&2 + return 1 + fi +} +# }}} + +# define chroot mirror {{{ +chrootmirror() { + if [ -n "$CHROOTMIRROR" ] ; then + echo "deb $CHROOTMIRROR $RELEASE main contrib non-free" > /etc/apt/sources.list + fi +} +# }}} + +# set up grml repository {{{ +grmlrepos() { + if [ -n "$GRMLREPOS" ] ; then + cat >> /etc/apt/sources.list << EOF + +# grml: stable repository: + deb http://deb.grml.org/ grml-stable main + deb-src http://deb.grml.org/ grml-stable main + +# grml: testing/development repository: + deb http://deb.grml.org/ grml-testing main + deb-src http://deb.grml.org/ grml-testing main + +EOF + # make sure we have the keys available for aptitude + gpg --keyserver subkeys.pgp.net --recv-keys F61E2E7CECDEA787 + gpg --export F61E2E7CECDEA787 | apt-key add - || /bin/true # not yet sure + # why it's necessary, sometimes we get an error even though it works [mika] + + # make sure we install packages from grml's pool only if not available + # from Debian! + if ! grep -q grml /etc/apt/preferences 2>/dev/null ; then + cat >> /etc/apt/preferences << EOF +// debian pool (default): +Package: * +Pin: release o=Debian +Pin-Priority: 996 + +// main grml-repository: +Package: * +Pin: origin deb.grml.org +Pin-Priority: 991 +EOF + fi + fi +} +# }}} -if ! [ -r /etc/kernel-img.conf ] ; then - echo "Setting up /etc/kernel-img.conf" - cat > /etc/kernel-img.conf << EOF +# set up kernel-img.conf {{{ +kernelimg_conf() { + if ! [ -r /etc/kernel-img.conf ] ; then + echo "Setting up /etc/kernel-img.conf" + cat > /etc/kernel-img.conf << EOF # Kernel Image management overrides # See kernel-img.conf(5) for details do_initrd = Yes do_symlinks = Yes EOF -fi + fi +} +# }}} -# install additional packages -if [ "$PACKAGES" = 'yes' ] ; then - if ! [ -r /etc/debootstrap/packages ] ; then - echo "Error: /etc/debootstrap/packages not found, exiting." - exit 1 - else - apt-get update - apt-get --force-yes -y install $(cat /etc/debootstrap/packages) - fi -fi +# create default devices {{{ +makedev() { + if ! [ -r /dev/hda20 ] ; then + echo "Creating generic devices in /dev - this might take a while..." + cd /dev && MAKEDEV generic + fi +} +# }}} -if [ -n "$RECONFIGURE" ] ; then - for package in $RECONFIGURE ; do - dpkg --list $package 1>/dev/null 2>/dev/null && dpkg-reconfigure $package || echo "Warning: $package does not exist, can not reconfigure it." - done -fi +# install additional packages {{{ +packages() { + if [ "$PACKAGES" = 'yes' ] ; then + if ! [ -r /etc/debootstrap/packages ] ; then + echo "Error: /etc/debootstrap/packages not found, exiting." + exit 1 + else + $APTUPDATE + DEBIAN_FRONTEND=$DEBIAN_FRONTEND $APTINSTALL $(cat /etc/debootstrap/packages) $GRMLPACKAGES + fi + fi +} +# }}} -# set password of user root -echo "Activating shadow passwords." -shadowconfig on -echo "Setting password for user root:" -passwd -echo "" +# install extra packages {{{ +extrapackages() { + if [ "$EXTRAPACKAGES" = 'yes' ] ; then + PACKAGELIST=$(find /etc/debootstrap/extrapackages -type f -name '*.deb') + if [ -n "$PACKAGELIST" ]; then + dpkg -i $PACKAGELIST + # run apt again to resolve any deps + DEBIAN_FRONTEND=$DEBIAN_FRONTEND $APTINSTALL + fi + fi +} +# }}} -if ! [ -f /etc/hosts ] ; then - echo "Setting up /etc/hosts" - echo "127.0.0.1 localhost $HOSTNAME" > /etc/hosts -fi +# sarge specific stuff: mkinitrd {{{ +mkinitrd() { + if [ "$RELEASE" = 'sarge' ] ; then + sed -i "s#ROOT=probe#ROOT=$TARGET#" /etc/mkinitrd/mkinitrd.conf + fi +} +# }}} + +# install kernel packages {{{ +kernel() { + # do not override $KERNEL if set via config file + if [ -z "$KERNEL" ] ; then + if [ "$ARCH" = 'i386' ] ; then + KERNEL='2.6-686' + elif [ "$ARCH" = 'amd64' ] ; then + KERNEL='2.6-amd64' + fi + fi + + if [ -n "$KERNEL" ] ; then + $APTUPDATE + if [ "$RELEASE" = 'sarge' ] ; then + KERNELPACKAGES="kernel-image-$KERNEL kernel-headers-$KERNEL" + else + KERNELPACKAGES="linux-image-$KERNEL linux-headers-$KERNEL" + fi + DEBIAN_FRONTEND=$DEBIAN_FRONTEND $APTINSTALL $KERNELPACKAGES + fi +} +# }}} + +# reconfigure packages {{{ +reconfigure() { + if [ -n "$RECONFIGURE" ] ; then + for package in $RECONFIGURE ; do + dpkg --list $package 1>/dev/null 2>/dev/null && \ + DEBIAN_FRONTEND=$DEBIAN_FRONTEND dpkg-reconfigure $package || \ + echo "Warning: $package does not exist, can not reconfigure it." + done + fi +} +# }}} + +# set password of user root {{{ +setpassword() { +# Set a password, via chpasswd. +# Use perl rather than echo, to avoid the password +# showing in the process table. (However, this is normally +# only called when first booting the system, when root has no +# password at all, so that should be an unnecessary precaution). +# +# Pass in three arguments: the user, the password, and 'true' if the +# password has been pre-crypted (by preseeding). +# +# Taken from /var/lib/dpkg/info/passwd.config + SETPASSWD_PW="$2" + export SETPASSWD_PW -if ! [ -f /etc/network/interfaces ] ; then - echo "Setting up /etc/network/interfaces" - cat >> /etc/network/interfaces << EOF + # This is very annoying. chpasswd cannot handle generating md5 + # passwords as it is not PAM-aware. Thus, I have to work around + # that by crypting the password myself if md5 is used. + USE_MD5=1 + export USE_MD5 + + if [ "$3" = true ]; then + PRECRYPTED=1 + else + PRECRYPTED='' + fi + export PRECRYPTED + LC_ALL=C LANGUAGE=C LANG=C perl -e ' + sub CreateCryptSalt { + my $md5 = shift; + + my @valid = split(//, "./0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"); + my ($in, $out); + + my $cryptsaltlen = ($md5 ? 8 : 2); + + open (F, " /etc/hosts + fi +} +# }}} + +# set up /etc/network/interfaces {{{ +interfaces() { + if ! [ -f /etc/network/interfaces ] ; then + echo "Setting up /etc/network/interfaces" + cat >> /etc/network/interfaces << EOF iface lo inet loopback iface eth0 inet dhcp auto lo auto eth0 EOF -fi + fi +} +# }}} -# adjust timezone -if [ -n "$TIMEZONE" ] ; then - echo "Adjusting /etc/localtime" - ln -sf /usr/share/zoneinfo/$TIMEZONE /etc/localtime -fi +# adjust timezone {{{ +timezone() { + if [ -n "$TIMEZONE" ] ; then + echo "Adjusting /etc/localtime" + ln -sf /usr/share/zoneinfo/$TIMEZONE /etc/localtime + fi +} +# }}} -function createfstab(){ - echo "Setting up /etc/fstab" +# helper function for fstab() {{{ +createfstab(){ + echo "Setting up /etc/fstab" cat > /etc/fstab << EOF $TARGET / auto defaults,errors=remount-ro 0 1 /sys /sys sysfs rw,nosuid,nodev,noexec 0 0 @@ -87,77 +307,120 @@ proc /proc proc defaults 0 0 # tmpfs /tmp tmpfs size=300M 0 0 EOF } +# }}} -# set up /etc/fstab if file is not present (cdebootstrap) -if [ ! -f /etc/fstab ] ; then - createfstab -fi +# generate /etc/fstab {{{ +fstab() { + # set up /etc/fstab if file is not present (cdebootstrap) + if [ ! -f /etc/fstab ] ; then + createfstab + fi -# set up /etc/fstab if file is UNCONFIGURED (debootstrap) -if grep -q UNCONFIGURED /etc/fstab ; then - createfstab -fi + # set up /etc/fstab if file is UNCONFIGURED (debootstrap) + if grep -q UNCONFIGURED /etc/fstab ; then + createfstab + fi +} +# }}} -# set up hostname -if [ -n "$HOSTNAME" ] ; then - echo "Setting hostname to ${HOSTNAME}." - echo "$HOSTNAME" > /etc/hostname -fi +# set up hostname {{{ +hostname() { + if [ -n "$HOSTNAME" ] ; then + echo "Setting hostname to ${HOSTNAME}." + echo "$HOSTNAME" > /etc/hostname + fi +} +# }}} -# create default devices -if ! [ -r /dev/hda20 ] ; then - echo "Creating generic devices in /dev - this might take a while..." - cd /dev && MAKEDEV generic -fi +# generate initrd/initramfs {{{ +initrd() { + # assume the first available kernel as our main kernel + KERNELIMG=$(ls -1 /boot/vmlinuz-* | head -1) + KERNELVER=${KERNELIMG#/boot/vmlinuz-} -# assume the first available kernel as our main kernel -KERNELIMG=$(ls -1 /boot/vmlinuz-* | head -1) -KERNELVER=${KERNELIMG#/boot/vmlinuz-} - -# generate initrd -if [ -n "$INITRD" ] ; then - echo "Generating initrd." - update-initramfs -c -t -k $KERNELVER - if [ -f "/boot/initrd.img-$KERNELVER" ] ; then - GRUBINITRD="initrd /boot/initrd.img-$KERNELVER" - LILOINITRD=" initrd=/boot/initrd.img-$KERNELVER" - fi -fi + # generate initrd + if [ -n "$INITRD" ] ; then + if [ "$RELEASE" = 'sarge' ] ; then + echo "Release sarge detected, will not create an initrd." + else + echo "Generating initrd." + update-initramfs -c -t -k $KERNELVER + if [ -f "/boot/initrd.img-$KERNELVER" ] ; then + GRUBINITRD="initrd /boot/initrd.img-$KERNELVER" + LILOINITRD=" initrd=/boot/initrd.img-$KERNELVER" + fi + fi + fi +} +# }}} -if [ -n "$GROOT" ] ; then - echo "Installing grub" - - # copy stage-files to /boot/grub/ - [ -d /boot/grub/ ] || mkdir /boot/grub - cp /usr/lib/grub/i386-pc/* /boot/grub/ - - # finally install grub - update-grub -y - sed -i "s/groot=.*/groot=(${GROOT})/g" /boot/grub/menu.lst - # not sure why savedefault does not work for me; any ideas? - sed -i "s/^savedefault.*/# &/g" /boot/grub/menu.lst - update-grub -y - - if [ -z "$MBR" ] ; then - echo "Notice: \$MBR not set, will not install grub therefor." - else - cp /proc/mounts /etc/mtab - grub-install "$MBR" - rm /etc/mtab - fi -fi +# grub configuration/installation {{{ +grub() { + if [ -z "$GROOT" ] ; then + echo "Warning: \$GROOT is not defined, will not adjust grub configuration therefore." + else + echo "Adjusting grub configuration for use on ${GROOT}." + + # copy stage-files to /boot/grub/ + [ -d /boot/grub/ ] || mkdir /boot/grub + # i386 specific: + [ -d /usr/lib/grub/i386-pc ] && cp /usr/lib/grub/i386-pc/* /boot/grub/ + # amd64 specific: + [ -d /usr/lib/grub/x86_64-pc ] && cp /usr/lib/grub/x86_64-pc/* /boot/grub/ + # sarge ships grub files in another directory + [ "$RELEASE" = 'sarge' ] && cp /lib/grub/i386-pc/* /boot/grub/ + + # finally install grub + if [ -x /usr/sbin/update-grub ] ; then + UPDATEGRUB='/usr/sbin/update-grub' + else + UPDATEGRUB='/sbin/update-grub' + fi + $UPDATEGRUB -y + if [ -f /boot/grub/menu.lst ] ; then + sed -i "s/^# groot=.*/# groot=(${GROOT})/g" /boot/grub/menu.lst + sed -i "s|^# kopt=root=.*|# kopt=root=${TARGET} ro ${BOOT_APPEND}|g" /boot/grub/menu.lst + # not sure why savedefault does not work for me; any ideas? + sed -i "s/^savedefault.*/# &/g" /boot/grub/menu.lst + $UPDATEGRUB -y + fi + fi +} +# }}} -# make sure we don't have any running processes left -[ -x /etc/init.d/ssh ] && /etc/init.d/ssh stop +# make sure we don't have any running processes left {{{ +services() { + for service in ssh mdadm mdadm-raid ; do + [ -x "/etc/init.d/$service" ] && "/etc/init.d/$service" stop + done +} +# }}} + +# unmount all filesystems in chroot, make sure nothing is left {{{ +finalize() { + # make sure we don't leave any sensible data + rm -f /etc/debootstrap/variables + umount -a 1>/dev/null 2>/dev/null || true + umount /proc 1>/dev/null 2>/dev/null || true + umount /proc 1>/dev/null 2>/dev/null || true + umount -a 1>/dev/null 2>/dev/null || true +} +# }}} -# unmount all filesystems in chroot, make sure nothing is left... -umount -a 1>/dev/null 2>/dev/null || true -umount /proc 1>/dev/null 2>/dev/null || true -umount /proc 1>/dev/null 2>/dev/null || true -umount -a 1>/dev/null 2>/dev/null || true +# execute the functions {{{ + for i in chrootmirror grmlrepos kernelimg_conf makedev packages extrapackages \ + mkinitrd kernel reconfigure hosts interfaces timezone fstab hostname \ + initrd grub passwords services finalize ; do + if stage $i ; then + $i && stage $i done || exit 1 + fi + done +# }}} -# finally exit the chroot -echo "Finished chroot installation, exiting." -exit 0 +# finally exit the chroot {{{ + echo "Finished chroot installation, exiting." + exit 0 +# }}} ## END OF FILE ################################################################# +# vim: ai tw=80 expandtab foldmethod=marker