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 ################################################################################
9 set -e # exit on any error
11 . /etc/debootstrap/config || exit 1
12 . /etc/debootstrap/variables || exit 1
14 [ -r /proc/1 ] || mount -t proc none /proc
18 # use aptitude only if it's available
19 if [ -x /usr/bin/aptitude ] ; then
20 APTINSTALL="aptitude -y --without-recommends install $DPKG_OPTIONS"
21 APTUPDATE='aptitude update'
23 APTINSTALL="apt-get --force-yes -y install $DPKG_OPTIONS"
24 APTUPDATE='apt-get update'
27 if [ -z "$STAGES" ] ; then
28 STAGES='/etc/debootstrap/stages'
29 [ -d "$STAGES" ] || mkdir -p "$STAGES"
33 # helper functions {{{
36 echo "$2" > "$STAGES/$1"
38 elif grep -q done "$STAGES/$1" 2>/dev/null ; then
39 echo " [*] Notice: stage $1 has been executed already, skipping execution therefore.">&2
42 echo " Executing stage ${1}"
47 # read -s emulation for dash. result is in $resp.
56 # define chroot mirror {{{
58 [ -n "$KEEP_SRC_LIST" ] && return
59 [ -z "$COMPONENTS" ] && COMPONENTS='main contrib non-free'
61 if [ -n "$ISO" ] ; then
62 echo "deb $ISO $RELEASE $COMPONENTS" > /etc/apt/sources.list
63 [ -n "$MIRROR" ] && echo "deb $MIRROR $RELEASE $COMPONENTS" >> /etc/apt/sources.list || true
65 if [ -n "$MIRROR" ] ; then
66 echo "deb $MIRROR $RELEASE $COMPONENTS" > /etc/apt/sources.list
72 # set up grml repository {{{
74 if [ -n "$GRMLREPOS" ] ; then
75 # user might have provided their own apt sources.list
76 if ! grep -q grml /etc/apt/sources.list 2>/dev/null ; then
77 cat >> /etc/apt/sources.list << EOF
79 # grml: stable repository:
80 deb http://deb.grml.org/ grml-stable main
81 deb-src http://deb.grml.org/ grml-stable main
83 # grml: testing/development repository:
84 deb http://deb.grml.org/ grml-testing main
85 deb-src http://deb.grml.org/ grml-testing main
90 # make sure we have the keys available for aptitude
91 gpg --keyserver subkeys.pgp.net --recv-keys F61E2E7CECDEA787
92 gpg --export F61E2E7CECDEA787 | apt-key add - || true # not yet sure
93 # why it's necessary, sometimes we get an error even though it works [mika]
95 # make sure we install packages from grml's pool only if not available
97 if ! grep -q grml /etc/apt/preferences 2>/dev/null ; then
98 cat >> /etc/apt/preferences << EOF
99 // debian pool (default):
101 Pin: release o=Debian
104 // main grml-repository:
106 Pin: origin deb.grml.org
114 # set up kernel-img.conf {{{
116 if ! [ -r /etc/kernel-img.conf ] ; then
117 echo "Setting up /etc/kernel-img.conf"
118 cat > /etc/kernel-img.conf << EOF
119 # Kernel Image management overrides
120 # See kernel-img.conf(5) for details
128 # make sure services do not start up {{{
129 install_policy_rcd() {
130 if ! [ -r /usr/sbin/policy-rc.d ] ; then
132 cat > /usr/sbin/policy-rc.d << EOF
136 chmod 775 /usr/sbin/policy-rc.d
141 # remove now useless apt cache {{{
143 if [ "$RM_APTCACHE" = 'yes' ] ; then
144 echo "Cleaning apt cache."
147 echo "Not cleaning apt cache as \$RM_APTCACHE is unset."
152 # install additional packages {{{
154 # Pre-seed the debconf database with answers. Each question will be marked
155 # as seen to prevent debconf from asking the question interactively.
156 [ -f /etc/debootstrap/debconf-selections ] && {
157 echo "Preseeding the debconf database, some lines might be skipped..."
158 cat /etc/debootstrap/debconf-selections | debconf-set-selections
161 if [ "$PACKAGES" = 'yes' ] ; then
162 if ! [ -r /etc/debootstrap/packages ] ; then
163 echo "Error: /etc/debootstrap/packages not found, exiting."
167 DEBIAN_FRONTEND=$DEBIAN_FRONTEND $APTINSTALL $(grep -v '^#' /etc/debootstrap/packages) $GRMLPACKAGES
173 # install extra packages {{{
175 if [ "$EXTRAPACKAGES" = 'yes' ] ; then
176 PACKAGELIST=$(find /etc/debootstrap/extrapackages -type f -name '*.deb')
177 if [ -n "$PACKAGELIST" ]; then
179 # run apt again to resolve any deps
180 DEBIAN_FRONTEND=$DEBIAN_FRONTEND $APTINSTALL
186 # install kernel packages {{{
188 # do not override $KERNEL if set via config file
189 if [ -z "$KERNEL" ] ; then
190 if [ "$ARCH" = 'i386' ] ; then
192 elif [ "$ARCH" = 'amd64' ] ; then
197 if [ -n "$KERNEL" ] ; then
199 # note: install busybox to be able to debug initramfs
200 KERNELPACKAGES="linux-image-$KERNEL linux-headers-$KERNEL busybox"
201 DEBIAN_FRONTEND=$DEBIAN_FRONTEND $APTINSTALL $KERNELPACKAGES
206 # reconfigure packages {{{
208 if [ -n "$RECONFIGURE" ] ; then
209 for package in $RECONFIGURE ; do
210 dpkg --list $package 1>/dev/null 2>/dev/null && \
211 DEBIAN_FRONTEND=$DEBIAN_FRONTEND dpkg-reconfigure $package || \
212 echo "Warning: $package does not exist, can not reconfigure it."
218 # set password of user root {{{
221 echo "Activating shadow passwords."
225 if chpasswd --help 2>&1 | grep -q -- '-m,' ; then
230 if [ -n "$ROOTPASSWORD" ] ; then
231 echo root:"$ROOTPASSWORD" | chpasswd $CHPASSWD_OPTION
232 export ROOTPASSWORD=''
236 echo "Setting password for user root:"
237 while [ "$a" != "$b" ] ; do
238 echo -n "Enter new UNIX password for user root: "
243 echo -n "Retype new UNIX password for user root: "
248 if [ "$a" != "$b" ] ; then
249 echo "Sorry, passwords do not match. Retry."
253 echo root:"$a" | chpasswd $CHPASSWD_OPTION
262 # set up /etc/hosts {{{
264 if [ -f /etc/hosts ] ; then
265 sed -i "s#127.0.0.1 .*#127.0.0.1 localhost $HOSTNAME#" /etc/hosts
266 [ -n "$HOSTNAME" ] && sed -i "s/grml/$HOSTNAME/g" /etc/hosts
268 cat > /etc/hosts << EOF
269 127.0.0.1 localhost $HOSTNAME
272 #127.0.1.1 $HOSTNAME.example.org $HOSTNAME
274 # The following lines are desirable for IPv6 capable hosts
275 #::1 ip6-localhost ip6-loopback $HOSTNAME
276 ::1 ip6-localhost ip6-loopback
278 ff00::0 ip6-mcastprefix
280 ff02::2 ip6-allrouters
287 # set up /etc/network/interfaces {{{
289 if ! [ -r /etc/network/interfaces ] || ! grep -q "auto lo" /etc/network/interfaces ; then
290 echo "Setting up /etc/network/interfaces"
291 cat >> /etc/network/interfaces << EOF
294 iface lo inet loopback
298 # iface eth0 inet dhcp
306 # adjust timezone {{{
308 if [ -n "$TIMEZONE" ] ; then
309 echo "Adjusting /etc/localtime"
310 ln -sf /usr/share/zoneinfo/$TIMEZONE /etc/localtime
315 # helper function for fstab() {{{
317 echo "Setting up /etc/fstab"
318 if [ -n "$TARGET_UUID" ] ; then
319 echo "/dev/disk/by-uuid/${TARGET_UUID} / auto defaults,errors=remount-ro 0 1" > /etc/fstab
321 echo "${TARGET} / auto defaults,errors=remount-ro 0 1" > /etc/fstab
324 cat >> /etc/fstab << EOF
325 proc /proc proc defaults 0 0
326 /sys /sys sysfs noauto,rw,nosuid,nodev,noexec 0 0
327 /dev/cdrom /mnt/cdrom0 iso9660 ro,user,noauto 0 0
328 # some other examples:
329 # /dev/sda2 none swap sw,pri=0 0 0
330 # /dev/hda1 /Grml ext3 dev,suid,user,noauto 0 2
331 # //1.2.3.4/pub /smb/pub smbfs defaults,user,noauto,uid=grml,gid=grml 0 0
332 # linux:/pub /beer nfs defaults 0 0
333 # tmpfs /tmp tmpfs size=300M 0 0
334 # /dev/sda5 none swap sw 0 0
339 # generate /etc/fstab {{{
341 # set up /etc/fstab if file is not present (cdebootstrap)
342 if [ ! -f /etc/fstab ] ; then
346 # set up /etc/fstab if file is UNCONFIGURED (debootstrap)
347 if grep -q UNCONFIGURED /etc/fstab ; then
353 # set up hostname {{{
355 if [ -n "$HOSTNAME" ] ; then
356 echo "Setting hostname to ${HOSTNAME}."
357 echo "$HOSTNAME" > /etc/hostname
359 # adjust postfix configuration
360 if [ -r /etc/postfix/main.cf ] ; then
361 # adjust hostname related options:
362 sed -i "s/grml/$HOSTNAME/g" /etc/postfix/main.cf
364 # listen on loopback interface only:
365 sed -i "s/^inet_interfaces = .*/inet_interfaces = loopback-only/" /etc/postfix/main.cf
366 grep -q inet_interfaces /etc/postfix/main.cf || echo 'inet_interfaces = loopback-only' >> /etc/postfix/main.cf
372 # generate initrd/initramfs {{{
374 # assume the first available kernel as our main kernel
375 KERNELIMG=$(ls -1 /boot/vmlinuz-* 2>/dev/null | head -1)
376 if [ -z "$KERNELIMG" ] ; then
377 echo 'No kernel image found, skipping initrd stuff.'>&2
381 KERNELVER=${KERNELIMG#/boot/vmlinuz-}
384 if [ -n "$INITRD" ] ; then
385 echo "Generating initrd."
386 update-initramfs -c -t -k $KERNELVER
391 # grub configuration/installation {{{
393 if [ -z "$GRUB" ] ; then
394 echo "Warning: \$GRUB is not defined, will not adjust grub configuration therefore."
396 echo "Adjusting grub configuration for use on ${GRUB}."
398 # finally install grub
399 if [ -x /usr/sbin/update-grub ] ; then
400 UPDATEGRUB='/usr/sbin/update-grub'
401 elif [ -x /sbin/update-grub ] ; then
402 UPDATEGRUB='/sbin/update-grub'
404 echo "Error: update-grub not available, can not execute it."
414 # execute all scripts present in /etc/debootstrap/chroot-scripts/ {{{
416 [ -d /etc/debootstrap/chroot-scripts/ ] || return 0
418 for script in /etc/debootstrap/chroot-scripts/* ; do
419 echo "Executing script $script"
420 $script && echo "done" || echo "failed"
425 # make sure we don't have any running processes left {{{
427 for service in ssh mdadm mdadm-raid ; do
428 if [ -x /etc/init.d/"$service" ] ; then
429 /etc/init.d/"$service" stop || true
435 # unmount /proc and make sure nothing is left {{{
437 # make sure we don't leave any sensible data
438 rm -f /etc/debootstrap/variables
440 [ -n "$POLICYRCD" ] && rm -f /usr/sbin/policy-rc.d
442 umount /proc >/dev/null 2>/dev/null || true
449 [ -n "$1" ] && EXIT="$1" || EXIT="1"
454 # set signal handler {{{
455 trap signal_handler HUP INT QUIT TERM
458 # execute the functions {{{
460 # always execute install_policy_rcd
463 for i in chrootmirror grmlrepos kernelimg_conf \
464 kernel packages extrapackages reconfigure hosts interfaces \
465 timezone fstab hostname initrd grub_config passwords \
466 custom_scripts remove_apt_cache services ; do
468 $i && stage $i done || exit 1
471 # always execute the finalize stage:
475 # finally exit the chroot {{{
476 echo "Finished chroot installation, exiting."
480 ## END OF FILE #################################################################
481 # vim: ai tw=80 expandtab foldmethod=marker