2 # Filename: /etc/debootstrap/chroot-script
3 # Purpose: script executed in chroot when installing Debian via grml-debootstrap
4 # Authors: grml-team (grml.org), (c) Michael Prokop <mika@grml.org>
5 # Bug-Reports: see http://grml.org/bugs/
6 # License: This file is licensed under the GPL v2.
7 # Latest change: Mon Apr 23 11:51:59 CEST 2007 [mika]
8 ################################################################################
10 set -e # exit on any error
12 . /etc/debootstrap/config || exit 1
13 . /etc/debootstrap/variables || exit 1
15 [ -r /proc/1 ] || mount -t proc none /proc
19 # use aptitude only if it's available
20 if [ -x /usr/bin/aptitude ] ; then
21 APTINSTALL='aptitude -y install '
22 APTUPDATE='aptitude update'
24 APTINSTALL='apt-get --force-yes -y install'
25 APTUPDATE='apt-get update'
28 if [ -z "$STAGES" ] ; then
29 STAGES='/etc/debootstrap/stages'
30 [ -d "$STAGES" ] || mkdir -p "$STAGES"
34 # helper functions {{{
37 echo "$2" > "$STAGES/$1"
39 elif grep -q done "$STAGES/$1" 2>/dev/null ; then
40 echo "[*] Notice: stage $1 has been executed already, skipping execution therefore.">&2
46 # define chroot mirror {{{
48 if [ -n "$CHROOTMIRROR" ] ; then
49 echo "deb $CHROOTMIRROR $RELEASE main contrib non-free" > /etc/apt/sources.list
54 # set up grml repository {{{
56 if [ -n "$GRMLREPOS" ] ; then
57 cat >> /etc/apt/sources.list << EOF
59 # grml: stable repository:
60 deb http://deb.grml.org/ grml-stable main
61 deb-src http://deb.grml.org/ grml-stable main
63 # grml: testing/development repository:
64 deb http://deb.grml.org/ grml-testing main
65 deb-src http://deb.grml.org/ grml-testing main
68 # make sure we have the keys available for aptitude
69 gpg --keyserver subkeys.pgp.net --recv-keys F61E2E7CECDEA787
70 gpg --export F61E2E7CECDEA787 | apt-key add - || /bin/true # not yet sure
71 # why it's necessary, sometimes we get an error even though it works [mika]
73 if grep -q grml /etc/apt/preferences 2>/dev/null ; then
74 cat >> /etc/apt/preferences >> EOF
75 // debian pool (default):
80 // main grml-repository:
82 Pin: origin deb.grml.org
89 # set up kernel-img.conf {{{
91 if ! [ -r /etc/kernel-img.conf ] ; then
92 echo "Setting up /etc/kernel-img.conf"
93 cat > /etc/kernel-img.conf << EOF
94 # Kernel Image management overrides
95 # See kernel-img.conf(5) for details
103 # create default devices {{{
105 if ! [ -r /dev/hda20 ] ; then
106 echo "Creating generic devices in /dev - this might take a while..."
107 cd /dev && MAKEDEV generic
112 # install additional packages {{{
114 if [ "$PACKAGES" = 'yes' ] ; then
115 if ! [ -r /etc/debootstrap/packages ] ; then
116 echo "Error: /etc/debootstrap/packages not found, exiting."
120 DEBIAN_FRONTEND=$DEBIAN_FRONTEND $APTINSTALL $(cat /etc/debootstrap/packages) $GRMLPACKAGES
126 # install extra packages {{{
128 if [ "$EXTRAPACKAGES" = 'yes' ] ; then
129 PACKAGELIST=$(find /etc/debootstrap/extrapackages -type f -name '*.deb')
130 if [ -n "$PACKAGELIST" ]; then
132 # run apt again to resolve any deps
133 DEBIAN_FRONTEND=$DEBIAN_FRONTEND $APTINSTALL
139 # sarge specific stuff: mkinitrd {{{
141 if [ "$RELEASE" = 'sarge' ] ; then
142 sed -i "s#ROOT=probe#ROOT=$TARGET#" /etc/mkinitrd/mkinitrd.conf
147 # install kernel packages {{{
149 # do not override $KERNEL if set via config file
150 if [ -z "$KERNEL" ] ; then
151 if [ "$ARCH" = 'i386' ] ; then
153 elif [ "$ARCH" = 'amd64' ] ; then
158 if [ -n "$KERNEL" ] ; then
160 if [ "$RELEASE" = 'sarge' ] ; then
161 KERNELPACKAGES="kernel-image-$KERNEL kernel-headers-$KERNEL"
163 KERNELPACKAGES="linux-image-$KERNEL linux-headers-$KERNEL"
165 DEBIAN_FRONTEND=$DEBIAN_FRONTEND $APTINSTALL $KERNELPACKAGES
170 # reconfigure packages {{{
172 if [ -n "$RECONFIGURE" ] ; then
173 for package in $RECONFIGURE ; do
174 dpkg --list $package 1>/dev/null 2>/dev/null && \
175 DEBIAN_FRONTEND=$DEBIAN_FRONTEND dpkg-reconfigure $package || \
176 echo "Warning: $package does not exist, can not reconfigure it."
182 # set password of user root {{{
184 # Set a password, via chpasswd.
185 # Use perl rather than echo, to avoid the password
186 # showing in the process table. (However, this is normally
187 # only called when first booting the system, when root has no
188 # password at all, so that should be an unnecessary precaution).
190 # Pass in three arguments: the user, the password, and 'true' if the
191 # password has been pre-crypted (by preseeding).
193 # Taken from /var/lib/dpkg/info/passwd.config
197 # This is very annoying. chpasswd cannot handle generating md5
198 # passwords as it is not PAM-aware. Thus, I have to work around
199 # that by crypting the password myself if md5 is used.
203 if [ "$3" = true ]; then
209 LC_ALL=C LANGUAGE=C LANG=C perl -e '
210 sub CreateCryptSalt {
213 my @valid = split(//, "./0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ");
216 my $cryptsaltlen = ($md5 ? 8 : 2);
218 open (F, "</dev/urandom") || die "No /dev/urandom found!";
219 foreach (1..$cryptsaltlen) {
221 $out .= $valid[ord($in) % ($#valid + 1)];
224 return ($md5 ? "\$1\$$out\$" : $out);
227 open(P,"| chpasswd -e");
228 if ($ENV{PRECRYPTED}) {
229 print P shift().":$ENV{SETPASSWD_PW}\n";
232 crypt($ENV{SETPASSWD_PW}, CreateCryptSalt($ENV{USE_MD5})).
243 echo "Activating shadow passwords."
246 if [ -n "$ROOTPASSWORD" ] ; then
247 setpassword root "$ROOTPASSWD" false
250 echo "Setting password for user root:"
251 set +e # do not exit if passwd returns error due to missmatching passwords
254 set -e # restore default behaviour again
259 # set up /etc/hosts {{{
261 if ! [ -f /etc/hosts ] ; then
262 echo "Setting up /etc/hosts"
263 echo "127.0.0.1 localhost $HOSTNAME" > /etc/hosts
268 # set up /etc/network/interfaces {{{
270 if ! [ -f /etc/network/interfaces ] ; then
271 echo "Setting up /etc/network/interfaces"
272 cat >> /etc/network/interfaces << EOF
273 iface lo inet loopback
282 # adjust timezone {{{
284 if [ -n "$TIMEZONE" ] ; then
285 echo "Adjusting /etc/localtime"
286 ln -sf /usr/share/zoneinfo/$TIMEZONE /etc/localtime
291 # helper function for fstab() {{{
293 echo "Setting up /etc/fstab"
294 cat > /etc/fstab << EOF
295 $TARGET / auto defaults,errors=remount-ro 0 1
296 /sys /sys sysfs rw,nosuid,nodev,noexec 0 0
297 proc /proc proc defaults 0 0
298 /dev/cdrom /mnt/cdrom0 iso9660 ro,user,noauto 0 0
299 # some other examples:
300 # /dev/sda2 none swap sw 0 0
301 # /dev/hda1 /Grml ext3 dev,suid,user,noauto 0 2
302 # //1.2.3.4/pub /smb/pub smbfs defaults,user,noauto,uid=grml,gid=grml 0 0
303 # linux:/pub /beer nfs defaults 0 0
304 # tmpfs /tmp tmpfs size=300M 0 0
309 # generate /etc/fstab {{{
311 # set up /etc/fstab if file is not present (cdebootstrap)
312 if [ ! -f /etc/fstab ] ; then
316 # set up /etc/fstab if file is UNCONFIGURED (debootstrap)
317 if grep -q UNCONFIGURED /etc/fstab ; then
323 # set up hostname {{{
325 if [ -n "$HOSTNAME" ] ; then
326 echo "Setting hostname to ${HOSTNAME}."
327 echo "$HOSTNAME" > /etc/hostname
332 # generate initrd/initramfs {{{
334 # assume the first available kernel as our main kernel
335 KERNELIMG=$(ls -1 /boot/vmlinuz-* | head -1)
336 KERNELVER=${KERNELIMG#/boot/vmlinuz-}
339 if [ -n "$INITRD" ] ; then
340 if [ "$RELEASE" = 'sarge' ] ; then
341 echo "Release sarge detected, will not create an initrd."
343 echo "Generating initrd."
344 update-initramfs -c -t -k $KERNELVER
345 if [ -f "/boot/initrd.img-$KERNELVER" ] ; then
346 GRUBINITRD="initrd /boot/initrd.img-$KERNELVER"
347 LILOINITRD=" initrd=/boot/initrd.img-$KERNELVER"
354 # grub configuration/installation {{{
356 if [ -z "$GROOT" ] ; then
357 echo "Warning: \$GROOT is not defined, will not adjust grub configuration therefore."
359 echo "Adjusting grub configuration for use on ${GROOT}."
361 # copy stage-files to /boot/grub/
362 [ -d /boot/grub/ ] || mkdir /boot/grub
364 [ -d /usr/lib/grub/i386-pc ] && cp /usr/lib/grub/i386-pc/* /boot/grub/
366 [ -d /usr/lib/grub/x86_64-pc ] && cp /usr/lib/grub/x86_64-pc/* /boot/grub/
367 # sarge ships grub files in another directory
368 [ "$RELEASE" = 'sarge' ] && cp /lib/grub/i386-pc/* /boot/grub/
370 # finally install grub
371 if [ -x /usr/sbin/update-grub ] ; then
372 UPDATEGRUB='/usr/sbin/update-grub'
374 UPDATEGRUB='/sbin/update-grub'
377 if [ -f /boot/grub/menu.lst ] ; then
378 sed -i "s/^# groot=.*/# groot=(${GROOT})/g" /boot/grub/menu.lst
379 sed -i "s|^# kopt=root=.*|# kopt=root=${TARGET} ro ${BOOT_APPEND}|g" /boot/grub/menu.lst
380 # not sure why savedefault does not work for me; any ideas?
381 sed -i "s/^savedefault.*/# &/g" /boot/grub/menu.lst
388 # make sure we don't have any running processes left {{{
390 for service in ssh mdadm mdadm-raid ; do
391 [ -x "/etc/init.d/$service" ] && "/etc/init.d/$service" stop
396 # unmount all filesystems in chroot, make sure nothing is left {{{
398 # make sure we don't leave any sensible data
399 rm -f /etc/debootstrap/variables
400 umount -a 1>/dev/null 2>/dev/null || true
401 umount /proc 1>/dev/null 2>/dev/null || true
402 umount /proc 1>/dev/null 2>/dev/null || true
403 umount -a 1>/dev/null 2>/dev/null || true
407 # execute the functions {{{
408 for i in chrootmirror grmlrepos kernelimg_conf makedev packages extrapackages \
409 mkinitrd kernel reconfigure hosts interfaces timezone fstab hostname \
410 initrd grub passwords services finalize ; do
412 $i && stage $i done || exit 1
417 # finally exit the chroot {{{
418 echo "Finished chroot installation, exiting."
422 ## END OF FILE #################################################################
423 # vim: ai tw=80 expandtab foldmethod=marker