/etc/debootstrap/chroot-script is in grml-debootstrap 0.54.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
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# Filename: /etc/debootstrap/chroot-script
# Purpose: script executed in chroot when installing Debian via grml-debootstrap
# Authors: grml-team (grml.org), (c) Michael Prokop <mika@grml.org>
# Bug-Reports: see http://grml.org/bugs/
# License: This file is licensed under the GPL v2.
################################################################################
# GRML_CHROOT_SCRIPT_MARKER - do not remove this line unless you want to keep
# this script as /bin/chroot-script on your new installed system
################################################################################
. /etc/debootstrap/config || exit 1
. /etc/debootstrap/variables || exit 1
[ -r /proc/1 ] || mount -t proc none /proc
# variable checks {{{
# use aptitude only if it's available
if [ -x /usr/bin/aptitude ] ; then
APTINSTALL="aptitude -y --without-recommends install $DPKG_OPTIONS"
APTUPDATE='aptitude update'
APTUPGRADE='aptitude -y safe-upgrade'
else
APTINSTALL="apt-get --force-yes -y --no-install-recommends install $DPKG_OPTIONS"
APTUPDATE='apt-get update'
APTUPGRADE='apt-get --force-yes -y upgrade'
fi
if [ -z "$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
echo " Executing stage ${1}"
return 0
}
askpass() {
# read -s emulation for dash. result is in $resp.
set -o noglob
stty -echo
read resp
stty echo
set +o noglob
}
# }}}
# define chroot mirror {{{
chrootmirror() {
if [ -n "$KEEP_SRC_LIST" ] ; then
echo "KEEP_SRC_LIST has been set, skipping chrootmirror stage."
return
fi
if [ -z "$COMPONENTS" ] ; then
COMPONENTS='main contrib non-free'
fi
echo "Using repository components $COMPONENTS"
if [ -n "$ISO" ] ; then
echo "Adjusting sources.list for ISO (${ISO})."
echo "deb $ISO $RELEASE $COMPONENTS" > /etc/apt/sources.list
echo "Adding mirror entry (${MIRROR}) to sources.list."
[ -n "$MIRROR" ] && echo "deb $MIRROR $RELEASE $COMPONENTS" >> /etc/apt/sources.list || true
else
if [ -n "$MIRROR" ] ; then
echo "Adjusting sources.list for mirror (${MIRROR})."
echo "deb $MIRROR $RELEASE $COMPONENTS" > /etc/apt/sources.list
fi
fi
# add security.debian.org:
case "$RELEASE" in
unstable|sid) ;; # no security pool available
*)
echo "Adding security.debian.org to sources.list."
echo "deb http://security.debian.org ${RELEASE}/updates $COMPONENTS" >> /etc/apt/sources.list
;;
esac
}
# }}}
# set up grml repository {{{
grmlrepos() {
if [ -n "$GRMLREPOS" ] ; then
# user might have provided their own apt sources.list
if ! grep -q grml /etc/apt/sources.list.d/grml.list 2>/dev/null ; then
cat >> /etc/apt/sources.list.d/grml.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
fi
if apt-get update ; then
apt-get -y --allow-unauthenticated install grml-debian-keyring
apt-get update
else
# make sure we have the keys available for aptitude
gpg --keyserver subkeys.pgp.net --recv-keys F61E2E7CECDEA787
gpg --export F61E2E7CECDEA787 | apt-key add - || true # not yet sure
# why it's necessary, sometimes we get an error even though it works [mika]
fi
# 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
}
# }}}
# 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
}
# }}}
# make sure services do not start up {{{
install_policy_rcd() {
if ! [ -r /usr/sbin/policy-rc.d ] ; then
export POLICYRCD=1
cat > /usr/sbin/policy-rc.d << EOF
#!/bin/sh
exit 101
EOF
chmod 775 /usr/sbin/policy-rc.d
fi
}
# }}}
# make sure we have an up2date system {{{
upgrade_system() {
if [ "$UPGRADE_SYSTEM" = "yes" ] ; then
echo "Running update + upgrade"
$APTUPDATE
$APTUPGRADE
else
echo "Not running update + upgrade as \$UPDATE_AND_UPGRADE is not set to 'yes'."
fi
}
# }}}
# remove now useless apt cache {{{
remove_apt_cache() {
if [ "$RM_APTCACHE" = 'yes' ] ; then
echo "Cleaning apt cache."
apt-get clean
else
echo "Not cleaning apt cache as \$RM_APTCACHE is unset."
fi
}
# }}}
# install additional packages {{{
packages() {
# Pre-seed the debconf database with answers. Each question will be marked
# as seen to prevent debconf from asking the question interactively.
[ -f /etc/debootstrap/debconf-selections ] && {
echo "Preseeding the debconf database, some lines might be skipped..."
cat /etc/debootstrap/debconf-selections | debconf-set-selections
}
if [ "$PACKAGES" = 'yes' ] ; then
if ! [ -r /etc/debootstrap/packages ] ; then
echo "Error: /etc/debootstrap/packages (inside chroot) not found, exiting." >&2
exit 1
else
$APTUPDATE
DEBIAN_FRONTEND=$DEBIAN_FRONTEND $APTINSTALL $(grep -v '^#' /etc/debootstrap/packages) $GRMLPACKAGES
fi
fi
}
# }}}
# install extra packages {{{
extrapackages() {
if [ "$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
}
# }}}
# 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
$APTUPDATE
# note: install busybox to be able to debug initramfs
KERNELPACKAGES="linux-image-$KERNEL linux-headers-$KERNEL busybox firmware-linux"
DEBIAN_FRONTEND=$DEBIAN_FRONTEND $APTINSTALL $KERNELPACKAGES
fi
}
# }}}
# reconfigure packages {{{
reconfigure() {
if [ -n "$RECONFIGURE" ] ; then
for package in $RECONFIGURE ; do
if dpkg --list $package >/dev/null 2>&1 | grep -q '^ii' ; then
DEBIAN_FRONTEND=$DEBIAN_FRONTEND dpkg-reconfigure $package || \
echo "Warning: $package does not exist, can not reconfigure it."
fi
done
fi
}
# }}}
# set password of user root {{{
passwords()
{
if [ -n "$NOPASSWORD" ] ; then
echo "Skip setting root password as requested."
return 0
fi
echo "Activating shadow passwords."
shadowconfig on
CHPASSWD_OPTION=
if chpasswd --help 2>&1 | grep -q -- '-m,' ; then
CHPASSWD_OPTION='-m'
fi
if [ -n "$ROOTPASSWORD" ] ; then
echo root:"$ROOTPASSWORD" | chpasswd $CHPASSWD_OPTION
export ROOTPASSWORD=''
else
a='1'
b='2'
echo "Setting password for user root:"
while [ "$a" != "$b" ] ; do
echo -n "Enter new UNIX password for user root: "
askpass
a="$resp"
unset resp
echo
echo -n "Retype new UNIX password for user root: "
askpass
b="$resp"
unset resp
echo
if [ "$a" != "$b" ] ; then
echo "Sorry, passwords do not match. Retry."
a='1'
b='2'
else
echo root:"$a" | chpasswd $CHPASSWD_OPTION
unset a
unset b
fi
done
fi
}
# }}}
# set up /etc/hosts {{{
hosts() {
if [ -f /etc/hosts ] ; then
sed -i "s#127.0.0.1 .*#127.0.0.1 localhost $HOSTNAME#" /etc/hosts
[ -n "$HOSTNAME" ] && sed -i "s/grml/$HOSTNAME/g" /etc/hosts
else
cat > /etc/hosts << EOF
127.0.0.1 localhost $HOSTNAME
#127.0.0.1 localhost
#127.0.1.1 $HOSTNAME.example.org $HOSTNAME
# The following lines are desirable for IPv6 capable hosts
#::1 ip6-localhost ip6-loopback $HOSTNAME
::1 ip6-localhost ip6-loopback
fe00::0 ip6-localnet
ff00::0 ip6-mcastprefix
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters
ff02::3 ip6-allhosts
EOF
fi
}
# }}}
# set up /etc/network/interfaces {{{
interfaces() {
if ! [ -r /etc/network/interfaces ] || ! grep -q "auto lo" /etc/network/interfaces ; then
echo "Setting up /etc/network/interfaces"
cat >> /etc/network/interfaces << EOF
# loopback device:
iface lo inet loopback
auto lo
# eth0:
# iface eth0 inet dhcp
# auto eth0
EOF
fi
}
# }}}
# adjust timezone {{{
timezone() {
if [ -n "$TIMEZONE" ] ; then
echo "Adjusting /etc/localtime"
ln -sf /usr/share/zoneinfo/$TIMEZONE /etc/localtime
fi
}
# }}}
# helper function for fstab() {{{
createfstab(){
echo "Setting up /etc/fstab"
if [ -n "$TARGET_UUID" ] ; then
echo "/dev/disk/by-uuid/${TARGET_UUID} / auto defaults,errors=remount-ro 0 1" > /etc/fstab
else
echo "${TARGET} / auto defaults,errors=remount-ro 0 1" > /etc/fstab
fi
cat >> /etc/fstab << EOF
proc /proc proc defaults 0 0
/dev/cdrom /mnt/cdrom0 iso9660 ro,user,noauto 0 0
# some other examples:
# /dev/sda2 none swap sw,pri=0 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
# /dev/sda5 none swap sw 0 0
EOF
}
# }}}
# 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 hostname {{{
hostname() {
if [ -n "$HOSTNAME" ] ; then
echo "Setting hostname to ${HOSTNAME}."
echo "$HOSTNAME" > /etc/hostname
# adjust postfix configuration
if [ -r /etc/postfix/main.cf ] ; then
# adjust hostname related options:
sed -i "s/grml/$HOSTNAME/g" /etc/postfix/main.cf
# listen on loopback interface only:
sed -i "s/^inet_interfaces = .*/inet_interfaces = loopback-only/" /etc/postfix/main.cf
grep -q inet_interfaces /etc/postfix/main.cf || echo 'inet_interfaces = loopback-only' >> /etc/postfix/main.cf
fi
fi
}
# }}}
# generate initrd/initramfs {{{
initrd() {
# assume the first available kernel as our main kernel
KERNELIMG=$(ls -1 /boot/vmlinuz-* 2>/dev/null | head -1)
if [ -z "$KERNELIMG" ] ; then
echo 'No kernel image found, skipping initrd stuff.'>&2
return
fi
KERNELVER=${KERNELIMG#/boot/vmlinuz-}
# generate initrd
if [ -n "$INITRD" ] ; then
echo "Generating initrd."
update-initramfs -c -t -k $KERNELVER
fi
}
# }}}
# grub configuration/installation {{{
grub_install() {
if [ -z "$GRUB" ] ; then
echo "Notice: \$GRUB not defined, will not install grub inside chroot at this stage."
return 0
fi
if ! dpkg --list grub-pc 2>/dev/null | grep -q '^ii' ; then
echo "Notice: grub option set but no grub-pc package, installing it therefore."
DEBIAN_FRONTEND=$DEBIAN_FRONTEND $APTINSTALL grub-pc
fi
if ! [ -x "$(which grub-install)" ] ; then
echo "Error: grub-install not available. (Error while installing grub package?)" >&2
return 1
fi
if [ -n "$SELECTED_PARTITIONS" ] ; then # using sw-raid
for device in $SELECTED_PARTITIONS ; do
GRUB="${device%%[0-9]}"
echo "Installing grub on ${GRUB}:"
grub-install --no-floppy "$GRUB"
done
else
echo "Installing grub on ${GRUB}:"
grub-install --no-floppy "$GRUB"
fi
echo "Adjusting grub configuration for use on ${GRUB}."
# finally install grub
if [ -x /usr/sbin/update-grub ] ; then
UPDATEGRUB='/usr/sbin/update-grub'
elif [ -x /sbin/update-grub ] ; then
UPDATEGRUB='/sbin/update-grub'
else
echo "Error: update-grub not available, can not execute it." >&2
return 1
fi
$UPDATEGRUB
}
# }}}
# execute all scripts present in /etc/debootstrap/chroot-scripts/ {{{
custom_scripts() {
[ -d /etc/debootstrap/chroot-scripts/ ] || return 0
for script in /etc/debootstrap/chroot-scripts/* ; do
echo "Executing script $script"
$script && echo "done" || echo "failed"
done
}
# }}}
# make sure we don't have any running processes left {{{
services() {
for service in ssh mdadm mdadm-raid ; do
if [ -x /etc/init.d/"$service" ] ; then
/etc/init.d/"$service" stop || true
fi
done
}
# }}}
# unmount /proc and make sure nothing is left {{{
finalize() {
# make sure we don't leave any sensible data
rm -f /etc/debootstrap/variables
[ -n "$POLICYRCD" ] && rm -f /usr/sbin/policy-rc.d
umount /proc >/dev/null 2>/dev/null || true
}
# }}}
# signal handler {{{
signal_handler() {
finalize
[ -n "$1" ] && EXIT="$1" || EXIT="1"
exit "$EXIT"
}
# }}}
# set signal handler {{{
trap signal_handler HUP INT QUIT TERM
# }}}
# execute the functions {{{
# always execute install_policy_rcd
install_policy_rcd
for i in chrootmirror grmlrepos kernelimg_conf \
kernel packages extrapackages reconfigure hosts interfaces \
timezone fstab hostname initrd grub_install passwords \
custom_scripts upgrade_system remove_apt_cache services ; do
if stage $i ; then
$i && stage $i done || exit 1
fi
done
# always execute the finalize stage:
finalize
# }}}
# finally exit the chroot {{{
echo "Finished chroot installation, exiting."
exit 0
# }}}
## END OF FILE #################################################################
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