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 11:12:58 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]
76 # set up kernel-img.conf {{{
78 if ! [ -r /etc/kernel-img.conf ] ; then
79 echo "Setting up /etc/kernel-img.conf"
80 cat > /etc/kernel-img.conf << EOF
81 # Kernel Image management overrides
82 # See kernel-img.conf(5) for details
90 # create default devices {{{
92 if ! [ -r /dev/hda20 ] ; then
93 echo "Creating generic devices in /dev - this might take a while..."
94 cd /dev && MAKEDEV generic
99 # install additional packages {{{
101 if [ "$PACKAGES" = 'yes' ] ; then
102 if ! [ -r /etc/debootstrap/packages ] ; then
103 echo "Error: /etc/debootstrap/packages not found, exiting."
107 DEBIAN_FRONTEND=$DEBIAN_FRONTEND $APTINSTALL $(cat /etc/debootstrap/packages) $GRMLPACKAGES
113 # install extra packages {{{
115 if [ "$EXTRAPACKAGES" = 'yes' ] ; then
116 PACKAGELIST=$(find /etc/debootstrap/extrapackages -type f -name '*.deb')
117 if [ -n "$PACKAGELIST" ]; then
119 # run apt again to resolve any deps
120 DEBIAN_FRONTEND=$DEBIAN_FRONTEND $APTINSTALL
126 # sarge specific stuff: mkinitrd {{{
128 if [ "$RELEASE" = 'sarge' ] ; then
129 sed -i "s#ROOT=probe#ROOT=$TARGET#" /etc/mkinitrd/mkinitrd.conf
134 # install kernel packages {{{
136 # do not override $KERNEL if set via config file
137 if [ -z "$KERNEL" ] ; then
138 if [ "$ARCH" = 'i386' ] ; then
140 elif [ "$ARCH" = 'amd64' ] ; then
145 if [ -n "$KERNEL" ] ; then
147 if [ "$RELEASE" = 'sarge' ] ; then
148 KERNELPACKAGES="kernel-image-$KERNEL kernel-headers-$KERNEL"
150 KERNELPACKAGES="linux-image-$KERNEL linux-headers-$KERNEL"
152 DEBIAN_FRONTEND=$DEBIAN_FRONTEND $APTINSTALL $KERNELPACKAGES
157 # reconfigure packages {{{
159 if [ -n "$RECONFIGURE" ] ; then
160 for package in $RECONFIGURE ; do
161 dpkg --list $package 1>/dev/null 2>/dev/null && \
162 DEBIAN_FRONTEND=$DEBIAN_FRONTEND dpkg-reconfigure $package || \
163 echo "Warning: $package does not exist, can not reconfigure it."
169 # set password of user root {{{
171 # Set a password, via chpasswd.
172 # Use perl rather than echo, to avoid the password
173 # showing in the process table. (However, this is normally
174 # only called when first booting the system, when root has no
175 # password at all, so that should be an unnecessary precaution).
177 # Pass in three arguments: the user, the password, and 'true' if the
178 # password has been pre-crypted (by preseeding).
180 # Taken from /var/lib/dpkg/info/passwd.config
184 # This is very annoying. chpasswd cannot handle generating md5
185 # passwords as it is not PAM-aware. Thus, I have to work around
186 # that by crypting the password myself if md5 is used.
190 if [ "$3" = true ]; then
196 LC_ALL=C LANGUAGE=C LANG=C perl -e '
197 sub CreateCryptSalt {
200 my @valid = split(//, "./0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ");
203 my $cryptsaltlen = ($md5 ? 8 : 2);
205 open (F, "</dev/urandom") || die "No /dev/urandom found!";
206 foreach (1..$cryptsaltlen) {
208 $out .= $valid[ord($in) % ($#valid + 1)];
211 return ($md5 ? "\$1\$$out\$" : $out);
214 open(P,"| chpasswd -e");
215 if ($ENV{PRECRYPTED}) {
216 print P shift().":$ENV{SETPASSWD_PW}\n";
219 crypt($ENV{SETPASSWD_PW}, CreateCryptSalt($ENV{USE_MD5})).
230 echo "Activating shadow passwords."
233 if [ -n "$ROOTPASSWORD" ] ; then
234 setpassword root "$ROOTPASSWD" false
237 echo "Setting password for user root:"
238 set +e # do not exit if passwd returns error due to missmatching passwords
241 set -e # restore default behaviour again
246 # set up /etc/hosts {{{
248 if ! [ -f /etc/hosts ] ; then
249 echo "Setting up /etc/hosts"
250 echo "127.0.0.1 localhost $HOSTNAME" > /etc/hosts
255 # set up /etc/network/interfaces {{{
257 if ! [ -f /etc/network/interfaces ] ; then
258 echo "Setting up /etc/network/interfaces"
259 cat >> /etc/network/interfaces << EOF
260 iface lo inet loopback
269 # adjust timezone {{{
271 if [ -n "$TIMEZONE" ] ; then
272 echo "Adjusting /etc/localtime"
273 ln -sf /usr/share/zoneinfo/$TIMEZONE /etc/localtime
278 # helper function for fstab() {{{
280 echo "Setting up /etc/fstab"
281 cat > /etc/fstab << EOF
282 $TARGET / auto defaults,errors=remount-ro 0 1
283 /sys /sys sysfs rw,nosuid,nodev,noexec 0 0
284 proc /proc proc defaults 0 0
285 /dev/cdrom /mnt/cdrom0 iso9660 ro,user,noauto 0 0
286 # some other examples:
287 # /dev/sda2 none swap sw 0 0
288 # /dev/hda1 /Grml ext3 dev,suid,user,noauto 0 2
289 # //1.2.3.4/pub /smb/pub smbfs defaults,user,noauto,uid=grml,gid=grml 0 0
290 # linux:/pub /beer nfs defaults 0 0
291 # tmpfs /tmp tmpfs size=300M 0 0
296 # generate /etc/fstab {{{
298 # set up /etc/fstab if file is not present (cdebootstrap)
299 if [ ! -f /etc/fstab ] ; then
303 # set up /etc/fstab if file is UNCONFIGURED (debootstrap)
304 if grep -q UNCONFIGURED /etc/fstab ; then
310 # set up hostname {{{
312 if [ -n "$HOSTNAME" ] ; then
313 echo "Setting hostname to ${HOSTNAME}."
314 echo "$HOSTNAME" > /etc/hostname
319 # generate initrd/initramfs {{{
321 # assume the first available kernel as our main kernel
322 KERNELIMG=$(ls -1 /boot/vmlinuz-* | head -1)
323 KERNELVER=${KERNELIMG#/boot/vmlinuz-}
326 if [ -n "$INITRD" ] ; then
327 if [ "$RELEASE" = 'sarge' ] ; then
328 echo "Release sarge detected, will not create an initrd."
330 echo "Generating initrd."
331 update-initramfs -c -t -k $KERNELVER
332 if [ -f "/boot/initrd.img-$KERNELVER" ] ; then
333 GRUBINITRD="initrd /boot/initrd.img-$KERNELVER"
334 LILOINITRD=" initrd=/boot/initrd.img-$KERNELVER"
341 # grub configuration/installation {{{
343 if [ -z "$GROOT" ] ; then
344 echo "Warning: \$GROOT is not defined, will not adjust grub configuration therefore."
346 echo "Adjusting grub configuration for use on ${GROOT}."
348 # copy stage-files to /boot/grub/
349 [ -d /boot/grub/ ] || mkdir /boot/grub
351 [ -d /usr/lib/grub/i386-pc ] && cp /usr/lib/grub/i386-pc/* /boot/grub/
353 [ -d /usr/lib/grub/x86_64-pc ] && cp /usr/lib/grub/x86_64-pc/* /boot/grub/
354 # sarge ships grub files in another directory
355 [ "$RELEASE" = 'sarge' ] && cp /lib/grub/i386-pc/* /boot/grub/
357 # finally install grub
358 if [ -x /usr/sbin/update-grub ] ; then
359 UPDATEGRUB='/usr/sbin/update-grub'
361 UPDATEGRUB='/sbin/update-grub'
364 if [ -f /boot/grub/menu.lst ] ; then
365 sed -i "s/^# groot=.*/# groot=(${GROOT})/g" /boot/grub/menu.lst
366 sed -i "s|^# kopt=root=.*|# kopt=root=${TARGET} ro ${BOOT_APPEND}|g" /boot/grub/menu.lst
367 # not sure why savedefault does not work for me; any ideas?
368 sed -i "s/^savedefault.*/# &/g" /boot/grub/menu.lst
375 # make sure we don't have any running processes left {{{
377 for service in ssh mdadm mdadm-raid ; do
378 [ -x "/etc/init.d/$service" ] && "/etc/init.d/$service" stop
383 # unmount all filesystems in chroot, make sure nothing is left {{{
385 # make sure we don't leave any sensible data
386 rm -f /etc/debootstrap/variables
387 umount -a 1>/dev/null 2>/dev/null || true
388 umount /proc 1>/dev/null 2>/dev/null || true
389 umount /proc 1>/dev/null 2>/dev/null || true
390 umount -a 1>/dev/null 2>/dev/null || true
394 # execute the functions {{{
395 for i in chrootmirror grmlrepos kernelimg_conf makedev packages extrapackages \
396 mkinitrd kernel reconfigure hosts interfaces timezone fstab hostname \
397 initrd grub passwords services finalize ; do
399 $i && stage $i done || exit 1
404 # finally exit the chroot {{{
405 echo "Finished chroot installation, exiting."
409 ## END OF FILE #################################################################
410 # vim: ai tw=80 expandtab foldmethod=marker