X-Git-Url: https://git.grml.org/?p=grml-debootstrap.git;a=blobdiff_plain;f=chroot-script;h=7ee50a92e53ee6dd60d74a3920239bab8ce631ab;hp=581e6845e37a29f00024544cf3bf1fa1a9f9aa14;hb=4647bed2a9b9008b2ade191ccbb754d3aa4e4f9c;hpb=f57ddab767aa174cdee6003ed6d13a5100044d41 diff --git a/chroot-script b/chroot-script index 581e684..7ee50a9 100644 --- a/chroot-script +++ b/chroot-script @@ -4,152 +4,391 @@ # 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 11:17:14 CET 2006 [mika] +# Latest change: Mon Apr 16 18:39:21 CEST 2007 [mika] ################################################################################ -set -e +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 "$RECONFIGURE" ] ; then - for package in $RECONFIGURE ; do - dpkg --list $package && dpkg-reconfigure $package || echo "Warning: $package does not exist, can not reconfigure it." - done +# variable checks {{{ + +# use aptitude only if it's available +if [ -x /usr/bin/aptitude ] ; then + APTINSTALL='aptitude -y install ' + APTUPDATE='aptitude update' +else + APTINSTALL='apt-get --force-yes -y install' + APTUPDATE='apt-get update' fi -# install additional packages -if [ "$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 install $(cat /etc/debootstrap/packages) - fi +if [ -z "$STAGES" ] ; then + STAGES='/etc/debootstrap/stages' + [ -d "$STAGES" ] || mkdir -p "$STAGES" fi +# }}} -# set password of user root -# shadowconfig -passwd +# 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 +} +# }}} -if ! [ -f /etc/hosts ] ; then - echo "127.0.0.1 localhost $HOSTNAME" > /etc/hosts -fi +# define chroot mirror {{{ +chrootmirror() { + if [ -n "$CHROOTMIRROR" ] ; then + echo "deb $CHROOTMIRROR $RELEASE main contrib non-free" > /etc/apt/sources.list + fi +} +# }}} + +# set up grml repository {{{ +grmlrepos() { + if [ -n "$GRMLREPOS" ] ; then + echo 'deb http://grml.org/repos/ ./' >> /etc/apt/sources.list + fi +} +# }}} + +# 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 +} +# }}} + +# 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 +} +# }}} + +# 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) $GRMLPACKAGES + fi + fi +} +# }}} + +# sarge specific stuff: mkinitrd {{{ +mkinitrd() { + if [ "$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 + + # 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/network/interfaces << EOF -iface lo inet loopback +passwords() { + echo "Activating shadow passwords." + shadowconfig on + + if [ -n "$ROOTPASSWORD" ] ; then + setpassword root "$ROOTPASSWD" false + export ROOTPASSWD='' + else + echo "Setting password for user root:" + set +e # do not exit if passwd returns error due to missmatching passwords + passwd + echo "" + set -e # restore default behaviour again + fi +} +# }}} + +# set up /etc/hosts {{{ +hosts() { + if ! [ -f /etc/hosts ] ; then + echo "Setting up /etc/hosts" + echo "127.0.0.1 localhost $HOSTNAME" > /etc/hosts + fi +} +# }}} + +# set up /etc/network/interfaces {{{ +interfaces() { + if ! [ -f /etc/network/interfaces ] ; then + echo "Setting up /etc/network/interfaces" + cat >> /etc/network/interfaces << EOF +iface lo inet loopback iface eth0 inet dhcp auto lo auto eth0 EOF -fi + fi +} +# }}} -# adjust timezone -if [ -n "$TIMEZONE" ] ; then - 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 +} +# }}} -if ! [ -f /etc/fstab ] ; then -cat >> /etc/fstab << EOF -sysfs /sys sysfs auto 0 0 -proc /proc proc defaults 0 0 +# helper function for fstab() {{{ +createfstab(){ + echo "Setting up /etc/fstab" +cat > /etc/fstab << EOF $TARGET / auto defaults,errors=remount-ro 0 1 -# /dev/sda2 none swap sw 0 0 +/sys /sys sysfs rw,nosuid,nodev,noexec 0 0 +proc /proc proc defaults 0 0 /dev/cdrom /mnt/cdrom0 iso9660 ro,user,noauto 0 0 +# some other examples: +# /dev/sda2 none swap sw 0 0 +# /dev/hda1 /Grml ext3 dev,suid,user,noauto 0 2 +# //1.2.3.4/pub /smb/pub smbfs defaults,user,noauto,uid=grml,gid=grml 0 0 +# linux:/pub /beer nfs defaults 0 0 +# tmpfs /tmp tmpfs size=300M 0 0 EOF -fi +} +# }}} -# create default devices -echo "Creating generic devices in /dev - this might take a while..." -cd /dev && MAKEDEV generic - -# generate initrd -if [ -n "$INITRD" ] ; then - echo "Generating initrd." - update-initramfs -c -t -k $KERNEL - if [ -f "/boot/initrd.img-$KERNELVER" ] ; then - GRUBINITRD="initrd /boot/initrd.img-$KERNELVER" - LILOINITRD=" initrd=/boot/initrd.img-$KERNELVER" - fi -fi +# generate /etc/fstab {{{ +fstab() { + # set up /etc/fstab if file is not present (cdebootstrap) + if [ ! -f /etc/fstab ] ; then + createfstab + fi -# assume the first available kernel as our main kernel -KERNELIMG=$(ls -1 /boot/vmlinuz-* | head -1) -KERNELVER=${KERNELIMG#/boot/vmlinuz-} - -if [ "$BOOTMGR" = 'grub' ] ; then - echo "Installing grub" - if ! [ -f /boot/grub/menu.lst ] ; then - # setup grub - mkdir /boot/grub - cat >> /boot/grub/menu.lst << EOF -# Boot automatically after 30 secs. -timeout 30 - -# By default, boot the first entry. -default 0 - -# Fallback to the second entry. -fallback 1 - -title Debian Etch, kernel $KERNELVER (on $ARGET) -root (hd0,0) -kernel $KERNELIMG root=$TARGET ro -$GRUBINITRD - -# For booting Windows -# title Windows -# rootnoverify (hd0,0) -# makeactive -# chainloader +1 -EOF - fi + # set up /etc/fstab if file is UNCONFIGURED (debootstrap) + if grep -q UNCONFIGURED /etc/fstab ; then + createfstab + fi +} +# }}} - # copy stage-files to /boot/grub/ - cp -i /usr/lib/grub/i386-pc/* /boot/grub/ +# set up hostname {{{ +hostname() { + if [ -n "$HOSTNAME" ] ; then + echo "Setting hostname to ${HOSTNAME}." + echo "$HOSTNAME" > /etc/hostname + fi +} +# }}} - # finally install grub - grub-install $BOOT -fi +# generate initrd/initramfs {{{ +initrd() { + # assume the first available kernel as our main kernel + KERNELIMG=$(ls -1 /boot/vmlinuz-* | head -1) + KERNELVER=${KERNELIMG#/boot/vmlinuz-} -if [ "$BOOTMGR" = 'lilo' ] ; then - echo "Installing lilo" -# /usr/share/doc/lilo/examples/conf.sample -cat > /etc/lilo.conf << EOF -# This allows booting from any partition on disks with more than 1024 cylinders. -lba32 - -# Specifies the boot device -boot=$BOOT - -# Specifies the device that should be mounted as root. -root=$TARGET - -# use Debian on software raid: -# raid-extra-boot=mbr-only - -install=text -# prompt -timeout=1 -map=/boot/map -vga=normal - -image=/boot/vmlinuz-2.6.17-grml - label="$KERNELVER" - #append="...." - read-only - $LILOINITRD -EOF -fi + # generate initrd + if [ -n "$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 +} +# }}} + +# 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 + $UPDATEGRUB -y + fi + fi +} +# }}} + +# make sure we don't have any running processes left {{{ +services() { + for service in ssh mdadm mdadm-raid ; do + [ -x "/etc/init.d/$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 -umount -a +# execute the functions {{{ + stage chrootmirror && chrootmirror && stage chrootmirror done + stage grmlrepos && grmlrepos && stage grmlrepos done + stage kernelimg_conf && kernelimg_conf && stage kernelimg_conf done + stage makedev && makedev && stage makedev done + stage packages && packages && stage packages done + stage mkinitrd && mkinitrd && stage mkinitrd done + stage kernel && kernel && stage kernel done + stage reconfigure && reconfigure && stage reconfigure done + stage hosts && hosts && stage hosts done + stage interfaces && interfaces && stage interfaces done + stage timezone && timezone && stage timezone done + stage fstab && fstab && stage fstab done + stage hostname && hostname && stage hostname done + stage initrd && initrd && stage initrd done + stage grub && grub && stage grub done + stage passwords && passwords && stage passwords done + stage services && services && stage services done + stage finalize && finalize && stage finalize 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