/
grml-debootstrap
executable file
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/
grml-debootstrap
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#!/bin/bash
# Filename: grml-debootstrap
# Purpose: wrapper around debootstrap for installing plain Debian via Grml
# 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+
################################################################################
# http://www.debian.org/releases/stable/i386/index.html.en
# variables {{{
PN="$(basename $0)"
VERSION="$(dpkg --list $PN 2>/dev/null| awk '/^i/ {print $3}')"
VERSION="${VERSION:-unknown}"
MNTPOINT="/mnt/debootstrap.$$"
# defaults
CHROOT_SCRIPTS='yes'
CONFFILES='/etc/debootstrap'
DEBCONF='yes'
DEBIAN_FRONTEND='noninteractive'
DEBOOTSTRAP='debootstrap'
EXTRAPACKAGES='yes'
FORCE=''
HOSTNAME='grml'
INITRD='yes'
INSTALL_NOTES='/etc/debootstrap/install_notes'
LOCALES='yes'
MIRROR='http://cdn.debian.net/debian'
MKFS='mkfs.ext3'
PACKAGES='yes'
PRE_SCRIPTS='yes'
RECONFIGURE='console-data'
RELEASE='squeeze'
RM_APTCACHE='yes'
SCRIPTS='yes'
SECURE='yes'
TIMEZONE='Europe/Vienna'
TUNE2FS='tune2fs -c0 -i0'
UPGRADE_SYSTEM='yes'
VMSIZE="2G"
# inside the chroot system locales might not be available, so use minimum:
export LANG=C
export LC_ALL=C
# make sure interactive mode is only executed when
# using an empty configuration file or option --interactive
INTERACTIVE=''
# }}}
# help text {{{
usage() {
echo "$PN - wrapper around debootstrap for installing Debian
Usage: $PN [options]
Bootstrap options:
-m, --mirror <URL> Mirror which should be used for apt-get/aptitude.
-i, --iso <mnt> Mountpoint where a Debian ISO is mounted to, for use
instead of fetching packages from a mirror.
-r, --release <name> Release of new Debian system (default: squeeze).
-t, --target <target> Target partition (/dev/...) or directory where the
system should be installed to.
-p, --mntpoint <mnt> Mountpoint used for mounting the target system,
has no effect if -t is given and represents a directory.
--debopt <params> Extra parameters passed to the debootstrap command.
--interactive Use interactive mode (frontend).
--nodebootstrap Skip debootstrap, only do configuration to the target.
--grub <device> Target for grub installation. Usage example: /dev/sda
--arch <arch> Set target architecture, use for installing i386 on amd64.
--filesystem <fs> Filesystem that should be used when target is a partition
or Virtual Machine (see --vmfile).
--force Do not prompt for user acknowledgement.
Options for Virtual Machine deployment:
--vmfile Set up a Virtual Machine instead of installing to
a partition or directory, to be combined with --target,
like: --vmfile --target /mnt/sda1/qemu.img
--vmsize <size> Use specified size for size of VM file (default: 2G).
Syntax as supported by qemu-img, like: --vmsize 3G
Configuration options:
-c, --config <file> Use specified configuration file, defaults to
/etc/debootstrap/config
-d, --confdir <path> Place of config files for debootstrap, defaults
to /etc/debootstrap
--packages <file> Install packages defined in specified list file
instead of using /etc/debootstrap/packages.
--nopackages Skip installation of packages defined in
/etc/debootstrap/packages
--debconf <file> Pre-seed packages using specified pre-seed db file.
--grmlrepos Enable Grml's Debian repository (deb.grml.org).
--keep_src_list Do not overwrite user provided apt sources.list.
--hostname <name> Hostname of Debian system.
--nopassword Do not prompt for the root password.
--password <pwd> Use specified password as password for user root.
--bootappend <line> Add specified appendline to kernel whilst booting.
--chroot-scripts <d> Execute chroot scripts from specified directory.
--pre-scripts <dir> Execute scripts from specified directory (before chroot-scripts).
--scripts <dir> Execute scripts from specified directory (after chroot-scripts).
Other options:
-v, --verbose Increase verbosity.
-h, --help Print this usage information and exit.
-V, --version Show summary of options and exit.
Usage examples can be found in the grml-debootstrap manpage.
Send bugreports to the grml-team: bugs (at) grml.org || http://grml.org/bugs/
"
}
if [ "$1" = '-h' ] || [ "$1" = '-help' ] || [ "$1" = "--help" ] ; then
usage
echo 'Please notice that this script requires root permissions!'
exit 0
fi
# }}}
# early helper functions {{{
GOOD='[32;01m'
WARN='[33;01m'
BAD='[31;01m'
NORMAL='[0m'
HILITE='[36;01m'
BRACKET='[34;01m'
einfo() {
einfon "$1\n"
return 0
}
einfon() {
[ "${RC_ENDCOL}" != "yes" ] && [ "${LAST_E_CMD}" = "ebegin" ] && echo
printf " ${GOOD}*${NORMAL} $*"
LAST_E_CMD=einfon
return 0
}
eerror() {
[ "${RC_ENDCOL}" != "yes" ] && [ "${LAST_E_CMD}" = "ebegin" ] && echo
printf " ${BAD}*${NORMAL} $*\n" >&2
LAST_E_CMD=eerror
return 0
}
eend() {
local retval="${1:-0}"
shift
if [ $retval -gt 0 ]; then
printf " ${BAD}-> Failed (rc=${retval})${NORMAL}\n"
fi
return $retval
}
check4root(){
if [ "$(id -u 2>/dev/null)" != 0 ] ; then
echo 1>&2 "Error: please run this script with uid 0 (root)." ; return 1
fi
}
check4progs(){
local RC=''
for arg in $* ; do
which $arg >/dev/null 2>&1 || RC="$arg"
done
if [ -n "$RC" ] ; then
echo "$RC not installed"
return 1
fi
}
# }}}
# helper functions {{{
cleanup() {
if [ -n "$CHROOT_VARIABLES" ] ; then
einfo "Removing ${CHROOT_VARIABLES}" ; rm "$CHROOT_VARIABLES" ; eend $?
fi
if [ -n "$STAGES" ] ; then
einfo "Removing ${STAGES}" ; rmdir "$STAGES" ; eend $?
fi
# Remove temporary mountpoint again
if echo "$MNTPOINT" | grep -q '/mnt/debootstrap\.' ; then
rmdir "$MNTPOINT" 2>/dev/null
fi
# make sure $TARGET is not mounted when exiting grml-debootstrap
if [ -n "$MNTPOINT" ] ; then
if grep -q "$MNTPOINT" /proc/mounts ; then
# make sure nothing is left inside chroot so we can unmount it
[ -x "$MNTPOINT"/etc/init.d/ssh ] && "$MNTPOINT"/etc/init.d/ssh stop
[ -x "$MNTPOINT"/etc/init.d/mdadm ] && "$MNTPOINT"/etc/init.d/mdadm stop
[ -x "$MNTPOINT"/bin/umount ] && chroot "$MNTPOINT" umount -a >/dev/null 2>&1
# ugly, but make sure we really don't leave anything (/proc /proc and
# /dev /dev are intended, trying to work around timing issues, see #657023)
for ARG in /sys /proc /proc /dev /dev ; do
[ -x "$MNTPOINT"/bin/umount ] && chroot "$MNTPOINT" umount $ARG >/dev/null 2>&1
umount "$MNTPOINT"/$ARG >/dev/null 2>&1
done
if [ -n "$ISODIR" ] ; then
[ -d "$MNTPOINT/$ISODIR" ] && umount "$MNTPOINT/$ISODIR" >/dev/null 2>&1
fi
if [ -n "$DIRECTORY" ] ; then
einfo "Not unmounting $MNTPOINT as you requested me to install into a directory of your own choice." ; eend 0
else
einfo "Unmounting $MNTPOINT"
umount "$MNTPOINT"
eend $?
fi
if [ -n "$STAGES" ] ; then
echo -n "Removing stages directory ${STAGES}: "
rm -rf "$STAGES" && echo done
fi
# remove directory only if we used the default with process id inside the name
if echo "$MNTPOINT" | grep -q '/mnt/debootstrap\.' ; then
einfo "Removing directory ${MNTPOINT}"
rmdir "$MNTPOINT"
eend $?
fi
fi
fi
if [ -n "${ORIG_TARGET}" ] ; then
einfo "Removing loopback mount of file ${ORIG_TARGET}."
kpartx -d "${ORIG_TARGET}" ; eend $?
fi
}
# we want to exit smoothly and clean:
bailout(){
cleanup
[ -n "$1" ] && EXIT="$1" || EXIT="1"
[ -n "$2" ] && einfo "Notice: remove $STAGES/$2 to reexecute the stage"
exit "$EXIT"
}
trap bailout HUP INT QUIT TERM
# we want to execute all the functions only once, simple check for it:
stage() {
if [ -n "$2" ] ; then
echo "$2" > "${STAGES}/${1}"
return 0
elif grep -q done "${STAGES}/${1}" 2>/dev/null ; then
ewarn "Notice: stage $1 has been executed already, skipping execution therefore." ; eend 0
ewarn " To reexecute it clean up the according directory inside $STAGES" ; eend 0
return 1
fi
}
# }}}
# make sure we have what we need {{{
check4progs debootstrap || bailout 1
# }}}
# source main configuration file {{{
if [ -r /etc/debootstrap/config ] ; then
. /etc/debootstrap/config
fi
# }}}
# cmdline handling {{{
# source external command line parameter-processing script
if [ -r ./cmdlineopts.clp ] ; then
. ./cmdlineopts.clp
elif [ -r /usr/share/grml-debootstrap/functions/cmdlineopts.clp ] ; then
. /usr/share/grml-debootstrap/functions/cmdlineopts.clp
else
eerror "Error: cmdline function file not found, exiting."
eend 1
bailout 1
fi
# == business-logic of command line parameter-processing
# source configuration file in <confdir> if supplied. {{{
[ "$_opt_confdir" ] && {
CONFFILES=$_opt_confdir
einfo "Using config files under $CONFFILES/."
if ! [ -r "$CONFFILES/config" ] ; then
eerror "Error: config file $CONFFILES/config not found."; eend 1; bailout 1
fi
if ! . "$CONFFILES/config" ; then
eerror "Error reading config file $CONFFILES/config" ; eend 1 ; bailout 1
fi
# restore the command line parameter value
CONFFILES=$_opt_confdir
}
# }}}
[ "$_opt_mirror" ] && MIRROR=$_opt_mirror
[ "$_opt_iso" ] && ISO=$_opt_iso
[ "$_opt_release" ] && RELEASE=$_opt_release
[ "$_opt_target" ] && TARGET=$_opt_target
[ "$_opt_vmfile" ] && VIRTUAL=1
[ "$_opt_vmsize" ] && VMSIZE=$_opt_vmsize
[ "$_opt_mntpoint" ] && MNTPOINT=$_opt_mntpoint
[ "$_opt_debopt" ] && DEBOOTSTRAP_OPT=$_opt_debopt
[ "$_opt_interactive" ] && INTERACTIVE=1
[ "$_opt_config" ] && CONFIGFILE=$_opt_config
[ "$_opt_filesystem" ] && MKFS="mkfs.$_opt_filesystem"
[ "$_opt_packages_set" ] && PACKAGES='yes'
[ "$_opt_nopackages" ] && PACKAGES=''
[ "$_opt_debconf_set" ] && DEBCONF='yes'
[ "$_opt_scripts_set" ] && SCRIPTS='yes'
[ "$_opt_pre_scripts_set" ] && PRE_SCRIPTS='yes'
[ "$_opt_chroot_scripts_set" ] && CHROOT_SCRIPTS='yes'
[ "$_opt_keep_src_list" ] && KEEP_SRC_LIST='yes'
[ "$_opt_grmlrepos" ] && GRMLREPOS='yes'
[ "$_opt_hostname" ] && HOSTNAME=$_opt_hostname
[ "$_opt_password" ] && ROOTPASSWORD=$_opt_password
[ "$_opt_nopassword" ] && NOPASSWORD='yes'
[ "$_opt_bootappend" ] && BOOT_APPEND=$_opt_bootappend
[ "$_opt_grub" ] && GRUB=$_opt_grub
[ "$_opt_arch" ] && ARCH=$_opt_arch
[ "$_opt_insecure" ] && echo "Warning: --insecure is deprecated, continuing anyway."
[ "$_opt_force" ] && FORCE=$_opt_force
[ "$_opt_verbose" ] && VERBOSE="-v"
[ "$_opt_help" ] && {
usage ; eend 0
eend 0
exit 0
}
[ "$_opt_version" ] && {
einfo "$PN - version $VERSION"
einfo "Send bug reports to bugs@grml.org or http://grml.org/bugs/"
eend 0
exit 0
}
# }}}
# check for root permissions {{{
if ! check4root ; then
echo "For usage instructions please execute '$PN --help'."
bailout 1
fi
# }}}
# make sure we have what we need {{{
if [ -n "$VIRTUAL" ] ; then
check4progs kpartx mksh parted qemu-img || bailout 1
fi
# }}}
# source specified configuration file {{{
if [ -n "$CONFIGFILE" ] ; then
einfo "Reading specified config file $CONFIGFILE."
if ! . "$CONFIGFILE" ; then
eerror "Error reading config file $CONFIGFILE" ; eend 1 ; bailout 1
fi
fi
# }}}
# backwards compability checks {{{
if [ -n "$GROOT" ] ; then
eerror "Error: you seem to have \$GROOT configured."
eerror "This variable is no longer supported, please visit the"
eerror "grml-debootstrap documentation for details."
eend 1
bailout 1
fi
if echo "$GRUB" | grep -q '^hd' ; then
eerror "Error: this syntax for the grub configuration variable is no longer supported."
eerror "Please do not use hd... any longer but /dev/sdX instead."
eend 1
bailout 1
fi
# }}}
# welcome screen {{{
welcome_dialog()
{
dialog --title "$PN" --yesno "Welcome to the interactive configuration of ${PN}.
Do you want to continue installing Debian using this frontend?" 0 0 || bailout 0
}
# }}}
# ask for target {{{
prompt_for_target()
{
AVAILABLE_PARTITIONS=$(LANG=C fdisk -l 2>/dev/null | \
sed 's/*//' | \
grep -v 'Extended$' | \
gawk -v num=0 -v ORS=' ' '/^\/dev\// {print $1}'; ls /dev/md* 2>/dev/null || true);
if [ -z "$AVAILABLE_PARTITIONS" ] ; then
dialog --title "$PN" --trim \
--msgbox "Sorry, no partitions found. Please configure your
harddisks (see /proc/partitions) using a tool like fdisk,
cfdisk, gpart, gparted,..." 0 0
bailout 1
fi
PARTITION_LIST=$(for i in $(echo $AVAILABLE_PARTITIONS) ; do
echo "$i $(blkid -s TYPE -o value $i 2>/dev/null || echo [no_filesystem_yet])"
done)
TARGET=$(dialog --title "$PN" --single-quoted --stdout \
--menu "Please select the target partition:" 0 0 0 \
$PARTITION_LIST)
[ $? -eq 0 ] || bailout 1
}
# }}}
# ask for bootmanager {{{
prompt_for_bootmanager()
{
ADDITIONAL_PARAMS=""
if echo "$TARGET" | grep -q "/dev/md" ; then
MBRPART="all disks of Software RAID $TARGET"
else
# figure out whole disk device
found=
for device in /dev/disk/by-id/*
do
[ $(readlink -f $device) = ${TARGET} ] || continue
found=1
break
done
[ -n "$found" ] && MBRDISK=$(echo ${device}|sed -e 's/-part[0-9][0-9]*$//')
if [ -e "$MBRDISK" ]; then
MBRDISK=$(readlink -f $MBRDISK)
else
# fall back to old behaviour
MBRDISK=$(echo ${TARGET} | sed -e 's/[0-9][0-9]*$//')
fi
MBRPART="MBR of $MBRDISK"
fi
for device in cciss/c0d0 sda hda; do
if [ /dev/$device != ${MBRDISK} ]; then
grep -q $device /proc/partitions && \
ADDITIONAL_PARAMS="$ADDITIONAL_PARAMS:$device:install bootmanager grub into MBR of /dev/$device"
fi
done
ADDITIONAL_PARAMS=${ADDITIONAL_PARAMS#:}
OIFS="$IFS"; IFS=:
GETMBR=$(dialog --stdout --title "$PN" --default-item mbr \
--menu "Where do you want to install the bootmanager grub?" 0 0 0 \
mbr "install bootmanager into $MBRPART" \
nowhere "do not install bootmanager at all" \
${ADDITIONAL_PARAMS})
[ $? -eq 0 ] || bailout 3
IFS="$OIFS"
case "$GETMBR" in
mbr)
# /dev/md0: has to be installed in MBR of /dev/md0 and not in /dev/md:
if echo "$TARGET" | grep -q "/dev/md" ; then
# using sw-raid:
if [ -n "$SELECTED_PARTITIONS" ] ; then
GRUB=$(echo ${SELECTED_PARTITIONS} | awk '{print $1}') # use first disk only
else
GRUB="$TARGET"
fi
else
GRUB="$MBRDISK"
fi
;;
hda)
GRUB="/dev/hda"
;;
sda)
GRUB="/dev/sda"
;;
nowhere)
GRUB=''
;;
esac
}
# }}}
# ask for Debian release {{{
prompt_for_release()
{
[ -n "$RELEASE" ] && DEFAULT_RELEASE="$RELEASE" || DEFAULT_RELEASE='squeeze'
RELEASE="$(dialog --stdout --title "${PN}" --default-item $DEFAULT_RELEASE --menu \
"Please enter the Debian release you would like to use for installation:" \
0 50 4 \
lenny Debian/old-stable \
squeeze Debian/stable \
wheezy Debian/testing \
sid Debian/unstable)"
[ $? -eq 0 ] || bailout
}
# }}}
# ask for hostname {{{
prompt_for_hostname()
{
HOSTNAME="$(dialog --stdout --title "${PN}" --inputbox \
"Please enter the hostname you would like to use for installation:" \
0 0 $HOSTNAME)"
[ $? -eq 0 ] || bailout
}
# }}}
# ask for password {{{
prompt_for_password()
{
if [ "$_opt_nopassword" ] ; then
einfo "Skip asking for root password as requested."
return 0
fi
ROOTPW1='PW1'
ROOTPW2='PW2'
while [ "$ROOTPW1" != "$ROOTPW2" ]; do
ROOTPW1=$(dialog --insecure --stdout --title "${PN}" --passwordbox \
"Please enter the password for the root account:" 10 60)
[ $? -eq 0 ] || bailout
ROOTPW2=$(dialog --insecure --stdout --title "${PN}" --passwordbox \
"Please enter the password for the root account again for \
confirmation:" 10 60)
[ $? -eq 0 ] || bailout
if [ "$ROOTPW1" != "$ROOTPW2" ]; then
$(dialog --stdout --title "${PN}" --ok-label \
"Retry" --msgbox "Passwords do not match!" 10 60)
fi
done
ROOTPASSWORD="$ROOTPW1"
}
# }}}
# ask for Debian mirror {{{
prompt_for_mirror()
{
[ -n "$ISO" ] && DEFAULT_MIRROR='local' || DEFAULT_MIRROR='net'
CHOOSE_MIRROR=$(dialog --stdout --title "$PN" --default-item $DEFAULT_MIRROR \
--menu "Where do you want to install from?" 0 0 0 \
net "install via network (downloading from mirror)" \
local "install from local directory/mirror"
)
[ $? -eq 0 ] || bailout
if [ "$CHOOSE_MIRROR" = 'net' ] ; then
[ -n "$MIRROR" ] || MIRROR='http://cdn.debian.net/debian'
MIRROR="$(dialog --stdout --title "${PN}" --inputbox \
"Please enter Debian mirror you would like to use for installing packages." \
0 0 $MIRROR)"
[ $? -eq 0 ] || bailout
else # CHOOSE_MIRROR == local
[ -n "$ISO" ] || ISO='/mnt/mirror'
ISO="$(dialog --stdout --title "${PN}" --inputbox \
"Please enter directory name you would like to use for installing packages." \
0 0 $ISO)"
[ $? -eq 0 ] || bailout
fi
}
# }}}
# software raid setup {{{
config_swraid_setup()
{
TMPFILE=$(mktemp)
# Currently we support only raid1:
RAIDLEVEL='raid1'
#RAIDLEVEL=$(dialog --stdout --title "$PN" --default-item raid1 \
# --menu "Which RAID level do you want to use?" 0 0 0 \
# raid1 "Software RAID level 1" \
# raid5 "Software RAID level 5")
#[ $? -eq 0 ] || bailout 20
MD_LIST=$(for i in $(seq 0 9) ; do
awk '{print $4}' /proc/partitions | grep -q md$i || \
echo "/dev/md$i /dev/md$i"
done)
TARGET=$(dialog --stdout --title "$PN" --default-item /dev/md0 \
--menu "Which device do you want to use for ${RAIDLEVEL}?
Notice: activated devices will not be listed for security reasons. Anyway, please make sure the selected device is not in use already!" 0 0 0 \
$MD_LIST)
[ $? -eq 0 ] || bailout 20
AVAILABLE_PARTITIONS=$(LANG=C fdisk -l 2>/dev/null | \
sed 's/*//' | \
grep -v 'Extended$' | \
gawk -v num=0 -v ORS=' ' '/^\/dev\// {print $1}')
[ -n "$AVAILABLE_PARTITIONS" ] || echo "FIXME: no partitions available?"
PARTITION_LIST=$(for i in $(echo $AVAILABLE_PARTITIONS) ; do
echo "$i $(blkid -s TYPE -o value $i 2>/dev/null || echo [no_filesystem_yet]) off"
done)
dialog --title "$PN" --separate-output \
--checklist "Please select the partitions you would like to use for your $RAIDLEVEL on ${TARGET}:" 0 0 0 \
$PARTITION_LIST 2>$TMPFILE
[ $? -eq 0 ] || bailout
RETVAL=$?
SELECTED_PARTITIONS="$(cat $TMPFILE)"
NUM_PARTITIONS=0
for i in $(cat $TMPFILE) ; do
NUM_PARTITIONS=$((${NUM_PARTITIONS}+1))
done
# force metadata version 0.90 for lenny so old grub can boot from this array.
METADATA_VERSION=""
if [ $RELEASE = "lenny" ]; then
METADATA_VERSION="-e0"
fi
ERRORFILE=$(mktemp)
yes | mdadm --create "${TARGET}" --level="${RAIDLEVEL}" \
--raid-devices="${NUM_PARTITIONS}" ${METADATA_VERSION} ${SELECTED_PARTITIONS} >/dev/null 2>$ERRORFILE
RC=$?
if [ "$RC" = 0 ] ; then
dialog --title "$PN" --msgbox \
"Creating $TARGET was successful." 0 0
rm -f "$TMPFILE" "$ERRORFILE"
else
dialog --title "$PN" --msgbox \
"There was an error setting up $TARGET:
$(cat $ERRORFILE)
Exiting." 0 0
rm -f "$TMPFILE" "$ERRORFILE"
bailout 1
fi
}
prompt_for_swraid()
{
if dialog --stdout --title "$PN" \
--defaultno --yesno "Do you want to configure Software RAID?
Please notice that only RAID level 1 is supported by ${PN} currently. Configuration will take place using mdadm." 0 0 ; then
config_swraid_setup
fi
}
# }}}
# user should recheck his configuration {{{
# support full automatic installation:
checkforrun() {
dialog --timeout 10 --title "$PN" \
--yesno "Do you want to stop at this stage?
Notice: you are running ${PN} in non-interactive mode.
${PN} will install Debian ${RELEASE} on ${TARGET}.
Last chance to quit. Timeout of 10 seconds running....
Do you want to stop now?" 0 0 2>/dev/null
}
# }}}
# make sure the user is aware of the used configuration {{{
checkconfiguration()
{
if [ -n "$AUTOINSTALL" ] ; then
if checkforrun ; then
eerror "Exiting as requested" ; eend 0
bailout 1
fi
elif [ -n "$INTERACTIVE" ] ; then
INFOTEXT="Please recheck configuration before execution:
"
[ -n "$TARGET" ] && INFOTEXT="$INFOTEXT
Target: $TARGET"
[ -n "$GRUB" ] && INFOTEXT="$INFOTEXT
Install grub: $GRUB"
[ -n "$RELEASE" ] && INFOTEXT="$INFOTEXT
Using release: $RELEASE"
[ -n "$HOSTNAME" ] && INFOTEXT="$INFOTEXT
Using hostname: $HOSTNAME"
[ -n "$MIRROR" ] && INFOTEXT="$INFOTEXT
Using mirror: $MIRROR"
[ -n "$ISO" ] && INFOTEXT="$INFOTEXT
Using ISO: $ISO"
[ -n "$ARCH" ] && INFOTEXT="$INFOTEXT
Using arch: $ARCH"
INFOTEXT="$INFOTEXT
Is this ok for you? Notice: selecting 'No' will exit ${PN}."
dialog --title "$PN" --no-collapse \
--yesno "$INFOTEXT" 0 0
[ $? -eq 0 ] || bailout 0
else # if not running automatic installation display configuration and prompt for execution:
einfo "$PN [${VERSION}] - Please recheck configuration before execution:"
echo
echo " Target: $TARGET"
# do not display if MNTPOINT is the default one
case "$MNTPOINT" in /mnt/debootstrap*) ;; *) echo " Mount point: $MNTPOINT" ;; esac
if [ -n "$VIRTUAL" ] ; then
echo " Install grub: yes"
else
[ -n "$GRUB" ] && echo " Install grub: $GRUB" || echo " Install grub: no"
fi
[ -n "$RELEASE" ] && echo " Using release: $RELEASE"
[ -n "$HOSTNAME" ] && echo " Using hostname: $HOSTNAME"
[ -n "$MIRROR" ] && echo " Using mirror: $MIRROR"
[ -n "$ISO" ] && echo " Using ISO: $ISO"
[ -n "$ARCH" ] && echo " Using arch: $ARCH"
if [ -n "$VIRTUAL" ] ; then
echo " Deploying as Virtual Machine."
[ -n "$VMSIZE" ] && echo " Using Virtual Disk file with size of ${VMSIZE}."
fi
echo
echo " Important! Continuing will delete all data from ${TARGET}!"
if [ -n "$FORCE" ] ; then
einfo "Skip user acknowledgement as requested via --force option."
else
echo
einfon "Is this ok for you? [y/N] "
read a
if ! [ "$a" = 'y' -o "$a" = 'Y' ] ; then
eerror "Exiting as requested." ; eend 1
bailout 1
fi
fi
fi
}
# }}}
# interactive mode {{{
interactive_mode()
{
check4progs dialog || bailout 1
welcome_dialog
prompt_for_release
prompt_for_swraid
prompt_for_target
prompt_for_bootmanager
prompt_for_hostname
prompt_for_password
prompt_for_mirror
}
# run interactive mode if we didn't get the according configuration yet
if [ -z "$TARGET" -o -n "$INTERACTIVE" ] ; then
# only target might be unset, so make sure the INTERACTIVE flag is set as well
INTERACTIVE=1
interactive_mode
fi
# }}}
# architecture setup {{{
if [ -n "$ARCH" ] ; then
ARCHCMD="--arch $ARCH"
ARCHINFO=" (${ARCH})"
else
ARCH="$(dpkg --print-architecture)"
ARCHCMD="--arch $ARCH"
ARCHINFO=" (${ARCH})"
fi
# }}}
checkconfiguration
# finally make sure at least $TARGET is set [the partition for the new system] {{{
if [ -n "$TARGET" ] ; then
SHORT_TARGET="${TARGET##*/}"
else
eerror "Please adjust $CONFFILES/config or..."
eerror "... use the interactive version for configuration before running ${0}" ; eend 1
bailout 1
fi
# }}}
# stages setup {{{
if [ -z "$STAGES" ] ; then
STAGES="/var/cache/grml-debootstrap/stages_${SHORT_TARGET}"
[ -d "$STAGES" ] || mkdir -p "$STAGES"
fi
if [ -r "$STAGES"/grml-debootstrap ] ; then
if grep -q done $STAGES/grml-debootstrap ; then
eerror "Error: grml-debootstrap has been executed already, won't continue therefore."
eerror "If you want to re-execute grml-debootstrap just manually remove ${STAGES}" ; eend 1
fi
fi
# }}}
# partition handling {{{
PARTITION=''
DIRECTORY=''
set_target_directory(){
# assume we are installing into a directory, don't run mkfs and grub related stuff therefore
DIRECTORY=1
MNTPOINT="$TARGET"
MKFS=''
TUNE2FS=''
FSCK=''
GRUB=''
# make sure we normalise the path to an absolute directory name so something like:
# mkdir -p foo/a bar/a; (cd foo; grml-debootstrap -t a)&; (cd bar; grml-debootstrap -t a)&; wait
# works
TARGET="$(readlink -f $TARGET)"
}
if [ -b "$TARGET" ] || [ -n "$VIRTUAL" ] ; then
PARTITION=1
else
set_target_directory
fi
# }}}
# make sure we have the right syntax when using an iso image {{{
if [ -n "$ISO" ] ; then
case $ISO in
file*) # do nothing
;;
*)
ISO=file:$ISO
;;
esac
fi
ISODIR=${ISO##file:}
ISODIR=${ISODIR%%/}
# }}}
# create filesystem {{{
mkfs() {
if [ -n "$DIRECTORY" ] ; then
einfo "Running grml-debootstrap on a directory, skipping mkfs stage."
else
if grep -q "$TARGET" /proc/mounts ; then
eerror "$TARGET already mounted, exiting to avoid possible damage. (Manually unmount $TARGET)" ; eend 1
bailout 1
fi
if [ -n "$MKFS" ] ; then
einfo "Running $MKFS on $TARGET"
$MKFS $TARGET ; RC=$?
# make sure /dev/disk/by-uuid/... is up2date, otherwise grub
# will fail to detect the uuid in the chroot
if echo "$TARGET" | grep -q "/dev/md" ; then
blockdev --rereadpt "${TARGET}"
elif ! [ -n "$VIRTUAL" ] ; then
blockdev --rereadpt "${TARGET%%[0-9]*}"
fi
# give the system 2 seconds, otherwise we might run into
# race conditions :-/
sleep 2
eval $(blkid -o udev $TARGET 2>/dev/null)
[ -n "$ID_FS_UUID" ] && TARGET_UUID="$ID_FS_UUID" || TARGET_UUID=""
eend $RC
fi
fi
}
# }}}
# modify filesystem settings {{{
tunefs() {
if [ -n "$TUNE2FS" ] && echo "$MKFS" | grep -q "mkfs.ext" ; then
einfo "Disabling automatic filesystem check on $TARGET via tune2fs"
$TUNE2FS $TARGET
eend $?
fi
}
# }}}
# mount the new partition or if it's a directory do nothing at all {{{
mount_target() {
if [ -n "$DIRECTORY" ] ; then
einfo "Running grml-debootstrap on a directory, nothing to mount."
else
if grep -q $TARGET /proc/mounts ; then
ewarn "$TARGET already mounted, continuing anyway." ; eend 0
else
if ! [ -d "${MNTPOINT}" ] ; then
[ -n "$VIRTUAL" ] || mkdir -p "${MNTPOINT}"
fi
einfo "Mounting $TARGET to $MNTPOINT"
mkdir -p "$MNTPOINT"
mount -o rw,suid,dev $TARGET $MNTPOINT
eend $?
fi
fi
if [ -n "$ISODIR" ] ; then
einfo "Mounting Debian image loopback to $MNTPOINT/$ISODIR."
mkdir -p "$MNTPOINT/$ISODIR"
mount --bind "$ISODIR" "$MNTPOINT/$ISODIR"
eend $?
fi
}
# }}}
# prepare VM image for usage with debootstrap {{{
prepare_vm() {
if [ -z "$VIRTUAL" ] ; then
return 0 # be quite by intention
fi
if [ -b "$TARGET" ] ; then
eerror "Error: specified virtual disk target ($TARGET) is an existing block device."
eend 1
bailout 1
fi
ORIG_TARGET="$TARGET" # store for later reuse
qemu-img create -f raw "${TARGET}" "${VMSIZE}"
echo 4 66 | /usr/share/grml-debootstrap/bootgrub.mksh -A | dd of="$TARGET" conv=notrunc
dd if=/dev/zero bs=1 conv=notrunc count=64 seek=446 of="$TARGET"
parted -s "${TARGET}" 'mkpart primary ext3 2M -1'
# if dm-mod isn't available then kpartx will fail with
# "Is device-mapper driver missing from kernel? [...]"
if ! kpartx -av $TARGET >/dev/null 2>&1 || ! grep -q device-mapper /proc/misc >/dev/null 2>&1 ; then
einfo "Device-mapper not ready yet, trying to load dm-mod module."
modprobe dm-mod ; eend $?
fi
# make sure loop module is present
if ! losetup -f >/dev/null 2>&1; then
einfo "Can not find a usable loop device, retrying after loading loop module."
modprobe loop
if losetup -f >/dev/null 2>&1; then
einfo "Found a usable loop device now, continuing."
else
eerror "Error finding usable loop device" ; eend 1
bailout 1
fi
fi
DEVINFO=$(kpartx -av $TARGET) # 'add map loop1p1 (253:0): 0 6289408 linear /dev/loop1 2048'
if [ -z "${DEVINFO}" ] ; then
eerror "Error setting up loopback device." ; eend 1
bailout 1
fi
# hopefully this always works as expected
LOOP=$(echo ${DEVINFO} | sed 's/.* linear //; s/ [[:digit:]]*//') # '/dev/loop1'
BLOCKDEV=$(echo "${DEVINFO}" | sed -e 's/.* (\(.*:.*\)).*/\1/') # '253:0'
LOOP_PART="$(echo ${DEVINFO##add map } | sed 's/ .*//')" # '/dev/loop1p1'
export TARGET="/dev/mapper/$LOOP_PART" # '/dev/mapper/loop1p1'
blockdev --rereadpt "${LOOP}"
if [ -z "$TARGET" ] ; then
eerror "Error: target could not be set to according /dev/mapper/* device." ; eend 1
bailout 1
fi
}
# }}}
# make VM image bootable and unmount it {{{
finalize_vm() {
if [ -z "${VIRTUAL}" ] ; then
return 0
fi
if ! mount "${TARGET}" "${MNTPOINT}" ; then
eerror "Error: Mounting ${TARGET} failed, can not continue." ; eend 1
bailout 1
fi
einfo "Installing Grub as bootloader."
mount -t proc none "${MNTPOINT}"/proc
mount -t sysfs none "${MNTPOINT}"/sys
mount --bind /dev "${MNTPOINT}"/dev