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grml-live
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#!/bin/bash
# Filename: grml-live
# Purpose: build process script for generating a (grml based) Linux Live-ISO
# Authors: Grml Team (see https://grml.org/)
# Bug-Reports: see http://grml.org/bugs/
# License: This file is licensed under the GPL v2 or any later version.
################################################################################
# some misc and global stuff {{{
export LANG=C
export LC_ALL=C
# avoid leaking into chroots
unset TMPDIR
# define function getfilesize before "set -e"
if stat --help >/dev/null 2>&1; then
getfilesize='stat -c %s' # GNU stat
else
getfilesize='stat -f %z' # BSD stat
fi
# exit on any error:
# disable for now since it seems to cause some problems
# set -e
# The line following this line is patched by debian/rules.
GRML_LIVE_VERSION='***UNRELEASED***'
# global variables
PN=$(basename "$0")
CMDLINE="$0 $*"
GRML_LIVE_INSTALL_PREFIX=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
if [ -e "${GRML_LIVE_INSTALL_PREFIX}"/usr/lib/grml-live ]; then
# assume source checkout
GRML_LIVE_LIB_DIR="${GRML_LIVE_INSTALL_PREFIX}"/usr/lib/grml-live
else
GRML_LIVE_INSTALL_PREFIX=${GRML_LIVE_INSTALL_PREFIX}/../
GRML_LIVE_LIB_DIR=${GRML_LIVE_INSTALL_PREFIX}/lib/grml-live
fi
# }}}
# usage information {{{
usage()
{
echo "
$PN - build process script for generating a (grml based) Linux Live-ISO
Usage: $PN [options, see as follows]
-a <architecture> architecture; available values: i386, amd64 + arm64
-A clean build directories before and after running
-b build the ISO without updating the chroot
-B build the ISO without touching the chroot (skips cleanup)
-c <classe[s]> classes to be used for building the ISO
-C <configfile> configuration file for grml-live
-d <date> use specified date instead of build time as date of release
-D <configdir> use specified configuration directory instead of /usr/share/grml-live/config
-e <iso_name> extract ISO and squashfs contents from iso_name
-F force execution without prompting
-g <grml_name> set the grml flavour name
-h display short usage information and exit
-i <iso_name> name of ISO
-I <src_directory> directory which provides files that should become
part of the chroot/ISO
-n skip generation of ISO
-N bootstrap (build chroot) only, do not create files for ISO
-o <output_directory> main output directory of the build process
-q skip mksquashfs
-Q skip netboot package build
-r <release_name> release name
-s <suite> Debian suite/release, like: stable, testing, unstable
-S <script_directory> place of scripts (defaults to /usr/share/grml-live/scripts)
-t <template_directory> place of the templates
-u update existing chroot instead of rebuilding it from scratch
-U <username> arrange output to be owned by specified username
-v <version_number> specify version number of the release
-V increase verbosity in the build process
-w <date> wayback machine, build system using Debian archives
from specified date
-z use ZLIB instead of LZMA/XZ compression
Usage examples:
$PN
$PN -c GRMLBASE,GRML_FULL,AMD64 -o /dev/shm/grml
$PN -c GRMLBASE,GRML_FULL,AMD64 -i grml_0.0-1.iso -v 0.0-1
$PN -c GRMLBASE,GRML_FULL,AMD64 -s stable -V -r 'grml-ftw'
More details: man grml-live + /usr/share/doc/grml-live/grml-live.html
http://grml.org/grml-live/
Please send your bug reports and feedback to the grml-team: http://grml.org/bugs/
"
[ "$(id -u 2>/dev/null)" != 0 ] && echo "Please notice that this script requires root permissions."
}
# make sure it's possible to get usage information without being
# root or actually executing the script
if [ "$1" = '-h' ] || [ "$1" = '--help' ] ; then
usage
exit 0
fi
# }}}
# some runtime checks {{{
# we need root permissions for the build-process:
if [ "$(id -u 2>/dev/null)" != 0 ] ; then
echo "Error: please run this script with uid 0 (root)." >&2
exit 1
fi
# lsb-functions and configuration stuff {{{
# make sure they are not set by default
VERBOSE='1'
FORCE=''
UPDATE=''
BUILD_ONLY=''
BUILD_DIRTY=''
BOOTSTRAP_ONLY=''
HOSTNAME=''
USERNAME=''
CONFIGDUMP=''
FAI_PROGRAM=$GRML_LIVE_LIB_DIR/minifai
# }}}
# don't use colors/escape sequences
if [ -r /lib/lsb/init-functions ] ; then
# shellcheck source=/dev/null
. /lib/lsb/init-functions
# shellcheck disable=SC2034
! log_use_fancy_output && NOCOLORS=true
fi
if [ -r /etc/grml/lsb-functions ] ; then
# shellcheck source=/dev/null
. /etc/grml/lsb-functions
else
einfo() { echo " [*] $*" ;}
eerror() { echo " [!] $*">&2 ;}
ewarn() { echo " [x] $*" ;}
eend() { return 0 ;}
eindent() { return 0 ;}
eoutdent() { return 0 ;}
fi
# source main configuration file:
[ -z "$LIVE_CONF" ] && LIVE_CONF='/etc/grml/grml-live.conf'
if ! [ -r "$LIVE_CONF" ] ; then
ewarn "Configuration file $LIVE_CONF can not be read, ignoring"
else
einfo "Sourcing configuration file $LIVE_CONF"
# shellcheck source=/dev/null
. "$LIVE_CONF"
eend $?
fi
# }}}
# umount all directories {{{
umount_all() {
[ -n "$MIRROR_DIRECTORY" ] && umount "${CHROOT_OUTPUT}/${MIRROR_DIRECTORY}"
}
# }}}
# store logfiles {{{
store_logfiles() {
# move minifai logs into grml_logs directory
mkdir -p "$LOG_OUTPUT"/fai/
cp -r "$CHROOT_OUTPUT"/grml-live/log/* "$LOG_OUTPUT"/fai/
rm -rf "$CHROOT_OUTPUT"/grml-live/log
# ensure files are readable.
chmod a+rX "$LOG_OUTPUT"/fai/
}
# }}}
# clean exit {{{
bailout() {
[ -n "$CONFIGDUMP" ] && rm -f "$CONFIGDUMP"
[ -n "$SQUASHFS_STDERR" ] && rm -rf "$SQUASHFS_STDERR"
umount_all
[ -n "$1" ] && EXIT="$1" || EXIT="1"
[ -n "$2" ] && eerror "$2">&2
if [ -n "$CLEAN_ARTIFACTS" ]; then
log "Cleaning up"
einfo "Cleaning up"
[ -n "${BUILD_OUTPUT}" ] && [ -d "${BUILD_OUTPUT}" ] && rm -r "${BUILD_OUTPUT}"
[ -n "${CHROOT_OUTPUT}" ] && [ -d "${CHROOT_OUTPUT}" ] && rm -r "${CHROOT_OUTPUT}"
eend 0
fi
if [ -n "$CHOWN_USER" ]; then
log "Setting ownership"
einfo "Setting ownership"
[ -n "${OUTPUT}" ] && [ -d "${OUTPUT}" ] && chown -R "${CHOWN_USER}:" "${OUTPUT}"
[ -n "${BUILD_OUTPUT}" ] && [ -d "${BUILD_OUTPUT}" ] && chown -R "${CHOWN_USER}:" "${BUILD_OUTPUT}"
[ -n "${CHROOT_OUTPUT}" ] && [ -d "${CHROOT_OUTPUT}" ] && chown -R "${CHOWN_USER}:" "${CHROOT_OUTPUT}"
[ -n "${ISO_OUTPUT}" ] && [ -d "${ISO_OUTPUT}" ] && chown -R "${CHOWN_USER}:" "${ISO_OUTPUT}"
[ -n "${LOG_OUTPUT}" ] && [ -d "${LOG_OUTPUT}" ] && chown -R "${CHOWN_USER}:" "${LOG_OUTPUT}"
[ -n "${NETBOOT}" ] && [ -d "${NETBOOT}" ] && chown -R "${CHOWN_USER}:" "${NETBOOT}"
eend 0
fi
log "------------------------------------------------------------------------------"
exit "$EXIT"
}
trap bailout 1 2 3 3 6 14 15
trap umount_all EXIT
# }}}
# some important functions {{{
# log output:
# usage: log "string to log"
log() { [ -n "$LOGFILE" ] && echo "$*" >> "$LOGFILE" ; }
# cut string at character number int = $1
# usage: cut_string 5 "1234567890" will output "12345"
cut_string() {
[ -n "$2" ] || return 1
echo "$2" | head -c "$1"; echo -ne "\n"
}
# append int = $1 spaces to string = $2
# usage: extend_string_end 5 "123" will output "123 "
extend_string_end() {
[ -n "$2" ] || return 1
local text
text=$(echo -n "$2" | head -c "$1")
while [ "$1" -gt "${#text}" ] ; do
text="${text} "
done
echo -n "${text}"
}
# Returns success if a given class was requested.
# This is not called `ifclass`, as ifclass supports a broader syntax.
hasclass() {
local expected_class="$1"
case $CLASSES in *,${expected_class},*) return 0 ;; esac
case $CLASSES in *,${expected_class}) return 0 ;; esac
case $CLASSES in ${expected_class},*) return 0 ;; esac
return 1
}
# Usage:
# copy_file_logged /destination/filename /tree /src1 /src2 ...
# This copies one of the given files /src1 *or* /src2 or ..., which
# should exist inside /tree. The first matching file will be copied
# and be named /destination/filename.
# If none of the source files are found, 1 will be returned. Callers
# may opt into checking that.
copy_file_logged() {
local dest="$1"
shift
local source_root="$1"
shift
local source
for source in "$@" ; do
if [ -r "${source_root}${source}" ] ; then
log "Installing ${source} as ${dest}"
cp "${source_root}${source}" "${dest}"
return 0
fi
done
log "Not installing ${dest}, no source files found"
return 1
}
# replace placeholders in template files with actual information
adjust_boot_files() {
if [ -z "$1" ] ; then
echo "Usage: adjust_boot_files <template_file>" >&2
exit 1
fi
local release_info
if [ -n "${RELEASE_INFO:-}" ] ; then
release_info="${RELEASE_INFO}"
else
ewarn "Variable RELEASE_INFO is unset, applying fallback for usage in adjust_boot_files." ; eend 1
release_info="$GRML_NAME $VERSION - Release Codename $RELEASENAME"
fi
# ensure this has a specific length
local fixed_release_info
fixed_release_info="$(cut_string 68 "$release_info")"
fixed_release_info="$(extend_string_end 68 "$fixed_release_info")"
for file in "$@" ; do
if [ -r "${file}" ] && [ -f "${file}" ] ; then
sed -i "s/%ARCH%/$ARCH/g" "${file}"
sed -i "s/%DATE%/$DATE/g" "${file}"
sed -i "s/%DISTRI_INFO%/$DISTRI_INFO/g" "${file}"
sed -i "s/%DISTRI_NAME%/$DISTRI_NAME/g" "${file}"
sed -i "s/%DISTRI_SPLASH%/$DISTRI_SPLASH/g" "${file}"
sed -i "s/%GRML_NAME%/$GRML_NAME/g" "${file}"
sed -i "s/%SQUASHFS_NAME%/$SQUASHFS_NAME/g" "${file}"
sed -i "s/%RELEASE_INFO%/$fixed_release_info/g" "${file}"
sed -i "s/%SHORT_NAME%/$SHORT_NAME/g" "${file}"
sed -i "s/%VERSION%/$VERSION/g" "${file}"
if [ -n "${BOOT_FILE}" ] ; then
sed -i "s;%BOOT_FILE%;$BOOT_FILE;g" "${file}"
fi
[ -n "$DEFAULT_BOOTOPTIONS" ] && sed -i "s; boot=live; boot=live $DEFAULT_BOOTOPTIONS;" "${file}"
if [ -n "$NO_BOOTID" ] ; then
sed -i "s/ bootid=%BOOTID%//g" "${file}" # drop bootid bootoption
else
sed -i "s/%BOOTID%/$BOOTID/g" "${file}" # adjust bootid=... argument
fi
fi
done
}
# }}}
# command line parsing {{{
while getopts "a:C:c:d:D:e:g:i:I:o:r:s:S:t:U:v:w:AbBFhnNqQuVz" opt; do
case "$opt" in
a) ARCH="$OPTARG" ;;
A) CLEAN_ARTIFACTS=1 ;;
b) BUILD_ONLY=1 ;;
B) BUILD_DIRTY=1 ;;
c) CLASSES="$OPTARG" ;;
C) LOCAL_CONFIG="$(readlink -f "$OPTARG")" ;;
d) DATE="$OPTARG" ;;
D) GRML_FAI_CONFIG="$(readlink -f "$OPTARG")" ;;
e) EXTRACT_ISO_NAME="$(readlink -f "$OPTARG")" ;;
g) GRML_NAME="$OPTARG" ;;
h) usage ; bailout 0 ;;
i) ISO_NAME="$OPTARG" ;;
I) CHROOT_INSTALL="$OPTARG" ;;
n) SKIP_MKISOFS=1 ;;
N) BOOTSTRAP_ONLY=1; SKIP_MKISOFS=1; SKIP_MKSQUASHFS=1 ;;
o) OUTPUT="$(readlink -f "$OPTARG")" ;;
q) SKIP_MKSQUASHFS=1 ;;
Q) SKIP_NETBOOT=1 ;;
r) RELEASENAME="$OPTARG" ;;
s) SUITE="$OPTARG" ;;
S) SCRIPTS_DIRECTORY="$OPTARG";;
t) TEMPLATE_DIRECTORY="$OPTARG";;
v) VERSION="$OPTARG" ;;
F) FORCE=1 ;;
u) UPDATE=1 ;;
U) CHOWN_USER="$OPTARG" ;;
V) echo "grml-live option -V is deprecated, please remove it." ;;
w) export WAYBACK_DATE="$OPTARG" ;;
z) SQUASHFS_ZLIB=1 ;;
?) echo "invalid option -$OPTARG" >&2; usage; bailout 1 ;;
esac
done
shift $((OPTIND - 1)) # set ARGV to the first not parsed commandline parameter
if [ -n "$1" ] ; then
echo "Error: unknown argument '$1' in options. Exiting to avoid possible data loss." >&2
bailout 1
fi
# }}}
# read local (non-packaged) configuration {{{
if [ -z "$LOCAL_CONFIG" ]; then
if [ -r "/etc/grml/grml-live.local" ]; then
LOCAL_CONFIG="/etc/grml/grml-live.local"
fi
fi
if [ -n "$LOCAL_CONFIG" ]; then
if [ -r "$LOCAL_CONFIG" ]; then
# shellcheck source=/dev/null
. "$LOCAL_CONFIG"
else
eerror "Could not read specified local configuration file \"$LOCAL_CONFIG\"."
bailout 1
fi
LOCAL_CONFIG=$(readlink -f "$LOCAL_CONFIG")
else
LOCAL_CONFIG=''
fi
# }}}
# assume sane defaults (if not set already) {{{
[ -n "$ARCH" ] || ARCH="$(dpkg --print-architecture)"
[ -n "$CLASSES" ] || CLASSES="GRMLBASE,GRML_FULL,$(echo "${ARCH}" | tr '[:lower:]' '[:upper:]')"
[ -n "$DATE" ] || DATE="$(date +%Y-%m-%d)"
[ -n "$DISTRI_INFO" ] || DISTRI_INFO='Grml - Live Linux for system administrators'
[ -n "$DISTRI_NAME" ] || DISTRI_NAME="grml"
[ -n "$DISTRI_SPLASH" ] || DISTRI_SPLASH='grml.png'
[ -n "$FORCE_ISO_REBUILD" ] || FORCE_ISO_REBUILD="false"
[ -n "$GRML_FAI_CONFIG" ] || GRML_FAI_CONFIG='/usr/share/grml-live/config'
[ -n "$GRML_NAME" ] || GRML_NAME='grml'
[ -n "$HOSTNAME" ] || HOSTNAME='grml'
[ -n "$HYBRID_METHOD" ] || HYBRID_METHOD='isohybrid'
[ -n "$RELEASENAME" ] || RELEASENAME='grml-live rocks'
[ -n "$SECURE_BOOT" ] || SECURE_BOOT='disable'
[ -n "$SQUASHFS_BINARY" ] || SQUASHFS_BINARY='mksquashfs'
[ -n "$SQUASHFS_EXCLUDES_FILE" ] || SQUASHFS_EXCLUDES_FILE="${GRML_FAI_CONFIG}/grml/squashfs-excludes"
[ -n "$SUITE" ] || SUITE='testing'
[ -n "$TEMPLATE_DIRECTORY" ] || TEMPLATE_DIRECTORY='/usr/share/grml-live/templates'
[ -n "$SCRIPTS_DIRECTORY" ] || SCRIPTS_DIRECTORY='/usr/share/grml-live/scripts'
[ -n "$USERNAME" ] || USERNAME='grml'
[ -n "$VERSION" ] || VERSION='0.0.1'
# output specific stuff, depends on $OUTPUT (iff not set):
[ -n "$OUTPUT" ] || OUTPUT="$PWD/grml/"
[ -n "$BUILD_OUTPUT" ] || BUILD_OUTPUT="$OUTPUT/grml_cd"
[ -n "$CHROOT_OUTPUT" ] || CHROOT_OUTPUT="$OUTPUT/grml_chroot"
[ -n "$ISO_OUTPUT" ] || ISO_OUTPUT="$OUTPUT/grml_isos"
[ -n "$LOG_OUTPUT" ] || LOG_OUTPUT="$OUTPUT/grml_logs"
[ -n "$REPORTS" ] || REPORTS="${LOG_OUTPUT}/reports"
[ -n "$NETBOOT" ] || NETBOOT="${OUTPUT}/netboot"
# }}}
# some misc checks before doing work {{{
[ -n "$CLASSES" ] || bailout 1 "Error: \$CLASSES unset, please set it in $LIVE_CONF or
specify it on the command line using the -c option."
[ -n "$OUTPUT" ] || bailout 1 "Error: \$OUTPUT unset, please set it in $LIVE_CONF or
specify it on the command line using the -o option."
if [ "$ARCH" != "i386" ] && [ "$ARCH" != "amd64" ] && [ "$ARCH" != "arm64" ] ; then
eerror 'Error: Unsupported ARCH, sorry. Want to support it? Contribute!'
eend 1
bailout
fi
if [[ "$(dpkg --print-architecture)" != "arm64" ]] && [[ "$ARCH" == "arm64" ]] ; then
eerror "Failure: trying to build for arm64, but not running on arm64."
eend 1
bailout
fi
if [ -e "$GRML_FAI_CONFIG"/fai.conf ] ; then
ewarn "The file ${GRML_FAI_CONFIG}/fai.conf exists but will be ignored."
eend 1
fi
if [ -n "$FAI_ARGS" ] ; then
eerror "The variable \$FAI_ARGS is set, but it is unsupported." ; eend 1
eerror "Please unset it. Current value: \$FAI_ARGS=$FAI_ARGS" ; eend 1
bailout
fi
if [ -n "$FAI_DEBOOTSTRAP_OPTS" ] ; then
eerror "The variable \$FAI_DEBOOTSTRAP_OPTS is set, but it is unsupported." ; eend 1
eerror "Current value: \$FAI_DEBOOTSTRAP_OPTS=${FAI_DEBOOTSTRAP_OPTS}" ; eend 1
bailout
fi
if [ -e /etc/grml/fai/config ] && [ -z "$GRML_FAI_CONFIG" ] ; then
eerror "Found old configuration files in /etc/grml/fai/config (while \$GRML_FAI_CONFIG was empty)." ; eend 1
eerror "You should check your configuration and move these files into a new path, and set \$GRML_FAI_CONFIG." ; eend 1
bailout
fi
if [ -e "$GRML_FAI_CONFIG"/config ] ; then
eerror "The path ${GRML_FAI_CONFIG}/config exists, very likely your \$GRML_FAI_CONFIG is invalid." ; eend 1
eerror "Either set \$GRML_FAI_CONFIG=${GRML_FAI_CONFIG}/config or delete ${GRML_FAI_CONFIG}/config." ; eend 1
bailout
fi
# trim characters that are known to cause problems inside $GRML_NAME;
# for example isolinux does not like '-' inside the directory name
[ -n "$GRML_NAME" ] && SHORT_NAME="$(echo "$GRML_NAME" | tr -d ',./;\- ')"
# }}}
# Warn user if addons from grml-live-addons are absent {{{
if [ -z "${NO_ADDONS:-}" ] && [ ! -r "$TEMPLATE_DIRECTORY"/arch ] ; then
ewarn "Boot addons not found (Consider installing package grml-live-addons)" ; eend 0
fi
# }}}
# Show configuration and ask user whether to continue {{{
echo
echo "${PN} [${GRML_LIVE_VERSION}] Build Configuration:"
echo
echo " FAI classes: $CLASSES"
[ -n "$LOCAL_CONFIG" ] && echo " Configuration: $LOCAL_CONFIG"
[ -n "$GRML_FAI_CONFIG" ] && echo " Config directory: $GRML_FAI_CONFIG"
echo " main directory: $OUTPUT"
[ -n "$EXTRACT_ISO_NAME" ] && echo " Extract ISO: $EXTRACT_ISO_NAME"
[ -n "$CHROOT_OUTPUT" ] && echo " Chroot target: $CHROOT_OUTPUT"
[ -n "$BUILD_OUTPUT" ] && echo " Build target: $BUILD_OUTPUT"
[ -n "$ISO_OUTPUT" ] && echo " ISO target: $ISO_OUTPUT"
[ -n "$GRML_NAME" ] && echo " Grml name: $GRML_NAME"
[ -n "$RELEASENAME" ] && echo " Release name: $RELEASENAME"
[ -n "$DATE" ] && echo " Build date: $DATE"
[ -n "$WAYBACK_DATE" ] && echo " Wayback date: $WAYBACK_DATE"
[ -n "$VERSION" ] && echo " Grml version: $VERSION"
[ -n "$SUITE" ] && echo " Debian suite: $SUITE"
[ -n "$ARCH" ] && echo " Architecture: $ARCH"
[ -n "$HYBRID_METHOD" ] && echo " Hybrid method: $HYBRID_METHOD"
[ -n "$SECURE_BOOT" ] && echo " Secure Boot: $SECURE_BOOT"
[ -n "$TEMPLATE_DIRECTORY" ] && echo " Template files: $TEMPLATE_DIRECTORY"
[ -n "$CHROOT_INSTALL" ] && echo " Install files from directory to chroot: $CHROOT_INSTALL"
[ -n "$BOOTID" ] && echo " Boot identifier: $BOOTID"
[ -n "$NO_BOOTID" ] && echo " Skipping bootid feature."
[ -n "$CHOWN_USER" ] && echo " Output owner: $CHOWN_USER"
[ -n "$DEFAULT_BOOTOPTIONS" ] && echo " Adding default bootoptions: \"$DEFAULT_BOOTOPTIONS\""
[ -n "$LOGFILE" ] && echo " Logging to file: $LOGFILE"
[ -n "$SQUASHFS_ZLIB" ] && echo " Using ZLIB (instead of LZMA/XZ) compression."
[ -n "$SQUASHFS_OPTIONS" ] && echo " Using SQUASHFS_OPTIONS ${SQUASHFS_OPTIONS}"
[ -n "$CLEAN_ARTIFACTS" ] && echo " Will clean output before and after running."
[ -n "$UPDATE" ] && echo " Executing UPDATE instead of fresh installation."
if [ -n "$BOOTSTRAP_ONLY" ] ; then
echo " Bootstrapping only and not building (files for) ISO."
else
[ -n "$SKIP_MKSQUASHFS" ] && echo " Skipping creation of SQUASHFS file."
[ -n "$SKIP_NETBOOT" ] && echo " Skipping creation of NETBOOT package."
[ -n "$SKIP_MKISOFS" ] && echo " Skipping creation of ISO file."
[ -n "$NO_ADDONS" ] && echo " Skipping boot addons."
[ -n "$BUILD_ONLY" ] && echo " Executing BUILD_ONLY instead of fresh installation or UPDATE."
[ -n "$BUILD_DIRTY" ] && echo " Executing BUILD_DIRTY to leave chroot untouched."
fi
echo
if [ -z "$FORCE" ] ; then
echo "Check the configuration above, or use -F to force execution."
echo
echo -n "Continue? [y/N] "
read -r a
if ! [ "$a" = 'y' ] || [ "$a" = 'Y' ] ; then
CLEAN_ARTIFACTS=0
echo "Exiting as requested."
exit 0
fi
echo
fi
# }}}
# clean up before start {{{
if [ -n "${CLEAN_ARTIFACTS}" ]; then
echo "Wiping old artifacts"
[ -n "${CHROOT_OUTPUT}" ] && [ -d "${CHROOT_OUTPUT}" ] && rm -r "${CHROOT_OUTPUT}"
[ -n "${BUILD_OUTPUT}" ] && [ -d "${BUILD_OUTPUT}" ] && rm -r "${BUILD_OUTPUT}"
[ -n "${ISO_OUTPUT}" ] && [ -d "${ISO_OUTPUT}" ] && rm -r "${ISO_OUTPUT}"
[ -n "${LOG_OUTPUT}" ] && [ -d "${LOG_OUTPUT}" ] && rm -r "${LOG_OUTPUT}"
[ -n "${NETBOOT}" ] && [ -d "${NETBOOT}" ] && rm -r "${NETBOOT}"
fi
# }}}
# create log file {{{
[ -n "$LOGFILE" ] || LOGFILE=${LOG_OUTPUT}/grml-live.log
mkdir -p "$(dirname "${LOGFILE}")"
touch "$LOGFILE"
chown root:adm "$LOGFILE"
chmod 664 "$LOGFILE"
if [ -n "$PRESERVE_LOGFILE" ] ; then
echo "Preserving logfile $LOGFILE as requested via \$PRESERVE_LOGFILE"
else
# make sure it is empty
echo -n > "$LOGFILE"
fi
# }}}
# source config and startup {{{
if [ -n "$CONFIG" ] ; then
if ! [ -f "$CONFIG" ] ; then
log "Error: $CONFIG could not be read. Exiting. [$(date)]"
eerror "Error: $CONFIG could not be read. Exiting." ; eend 1
bailout 1
else
log "Sourcing $CONFIG"
# shellcheck source=/dev/null
. "$CONFIG"
fi
fi
SECONDS=unknown
start_seconds="$(date +%s)"
log "------------------------------------------------------------------------------"
log "Starting grml-live [${GRML_LIVE_VERSION}] run on $(date)"
log "Using local config file: $LOCAL_CONFIG"
log "Executed grml-live command line:"
log "$CMDLINE"
einfo "Logging actions to logfile $LOGFILE"
# }}}
# dump config variables into file, for hooks/scripts access {{{
CONFIGDUMP=$(mktemp)
set | grep -E \
'^(GRML_NAME|RELEASENAME|DATE|VERSION|SUITE|ARCH|DISTRI_NAME|TEMPLATE_DIRECTORY|USERNAME|HOSTNAME|APT_PROXY|BUILD_ONLY|BOOTSTRAP_ONLY|WAYBACK_DATE)=' \
> "${CONFIGDUMP}"
# }}}
# unpack iso/squashfs {{{
extract_iso() {
if [ -n "$EXTRACT_ISO_NAME" ]; then
log "Unpacking ISO from ${EXTRACT_ISO_NAME}"
einfo "Unpacking ISO from ${EXTRACT_ISO_NAME}"
local rc=0
local tempdir
tempdir=$(mktemp -d)
mkdir -p "${tempdir}/live/"
osirrox -indev "${EXTRACT_ISO_NAME}" -extract live "${tempdir}/live/" ; rc=$?
if [ "$rc" != 0 ]; then
rm -rf "$tempdir"
log "osirrox failed"
eerror "osirrox failed"
eend 1
bailout 1
fi
local squashfs
squashfs=( "${tempdir}"/live/*/*.squashfs )
if (( ${#squashfs[@]} != 0 )) && [ -r "${squashfs[0]}" ]; then
log "Will unsquashfs ${squashfs[0]}"
unsquashfs -d "${CHROOT_OUTPUT}" "${squashfs[0]}" ; rc=$?
else
log "Error: Could not find any *.squashfs files on the ISO"
eerror "Error: Could not find any *.squashfs files on the ISO"
eend 1
bailout 1
fi
rm -rf "$tempdir"
if [ "$rc" != 0 ]; then
log "unsquashfs failed"
eerror "unsquashfs failed"
eend 1
bailout 1
fi
fi
}
extract_iso
# }}}
# on-the-fly configuration {{{
case "${SUITE}" in
# /usr/share/debootstrap/scripts/unstable does not exist, so use 'sid'
# for bootstrapping, but DEBIAN_UNSTABLE elsewhere:
unstable) SUITE='sid' ; CLASSES="DEBIAN_UNSTABLE,$CLASSES" ;;
# avoid having to maintain DEBIAN_UNSTABLE *and* DEBIAN_SID class files:
sid) CLASSES="DEBIAN_UNSTABLE,$CLASSES" ;;
# otherwise map e.g. bookworm to DEBIAN_BOOKWORM:
*) CLASSES="DEBIAN_$(echo "$SUITE" | tr '[:lower:]' '[:upper:]'),$CLASSES";;
esac
export SUITE # make sure it's available in FAI scripts
# validate whether the specified architecture class matches the
# architecture (option), otherwise installation of kernel will fail
if hasclass I386 ; then
if ! [[ "$ARCH" == "i386" ]] ; then
log "Error: You specified the I386 class but are trying to build something else (AMD64/ARM64?)."
eerror "Error: You specified the I386 class but are trying to build something else (AMD64/ARM64?)."
eerror "Tip: Either invoke grml-live with '-a i386' or adjust the architecture class. Exiting."
eend 1
bailout
fi
elif hasclass AMD64 ; then
if ! [[ "$ARCH" == "amd64" ]] ; then
log "Error: You specified the AMD64 class but are trying to build something else (I386/ARM64?)."
eerror "Error: You specified the AMD64 class but are trying to build something else (I386/ARM64?)."
eerror "Tip: Either invoke grml-live with '-a amd64' or adjust the architecture class. Exiting."
eend 1
bailout
fi
elif hasclass ARM64 ; then
if ! [[ "$ARCH" == "arm64" ]] ; then
log "Error: You specified the ARM64 class but are trying to build something else (I386/AMD64?)."
eerror "Error: You specified the ARM64 class but are trying to build something else (I386/AMD64?)."
eerror "Tip: Either invoke grml-live with '-a arm64' or adjust the architecture class. Exiting."
eend 1
bailout
fi
fi
if [[ -n "${BOOT_METHOD:-}" ]] && [[ "${BOOT_METHOD}" != "isolinux" ]] ; then
log "Error: You specified unsupported BOOT_METHOD '${BOOT_METHOD:-}', though only isolinux is supported."
eerror "Error: You specified unsupported BOOT_METHOD '${BOOT_METHOD:-}', though only isolinux is supported."
eerror "NOTE: The BOOT_METHOD configuration is deprecated, please consider unsetting it. Exiting."
eend 1
bailout
fi
# continue to support $FAI_DEBOOTSTRAP to specify the Debian suite and mirror URL.
if [ -z "$FAI_DEBOOTSTRAP" ] ; then
if [ -n "$WAYBACK_DATE" ] ; then
FAI_DEBOOTSTRAP="$SUITE http://snapshot.debian.org/archive/debian/$WAYBACK_DATE/"
else
FAI_DEBOOTSTRAP="$SUITE http://deb.debian.org/debian"
fi
fi
# }}}
# CHROOT_OUTPUT - execute FAI {{{
if [ -n "$BUILD_DIRTY" ]; then
log "Skipping stage 'fai' as requested via option -B"
ewarn "Skipping stage 'fai' as requested via option -B" ; eend 0
else
[ -n "$CHROOT_OUTPUT" ] || CHROOT_OUTPUT="$OUTPUT/grml_chroot"
if [ -n "$UPDATE" ] || [ -n "$BUILD_ONLY" ] ; then
FAI_ACTION=softupdate
else
FAI_ACTION=dirinstall
fi
if [ -n "$UPDATE" ] || [ -n "$BUILD_ONLY" ] ; then
if ! [ -r "$CHROOT_OUTPUT/etc/debian_version" ] ; then
log "Error: does not look like you have a working chroot. Updating/building not possible."
eerror "Error: does not look like you have a working chroot. Updating/building not possible. (Drop -u/-b option?)"
eend 1
bailout 20
fi
fi
if [ -d "$CHROOT_OUTPUT/bin" ] && [ -z "$UPDATE" ] && [ -z "$BUILD_ONLY" ] ; then
log "Skipping stage 'fai $FAI_ACTION' as $CHROOT_OUTPUT exists already."
ewarn "Skipping stage 'fai $FAI_ACTION' as $CHROOT_OUTPUT exists already." ; eend 0
else
mkdir -p "$CHROOT_OUTPUT" || bailout 5 "Problem with creating $CHROOT_OUTPUT for FAI"
if [ -n "${MIRROR_DIRECTORY}" ] ; then
mkdir -p "${CHROOT_OUTPUT}/${MIRROR_DIRECTORY}"
mount --bind "${MIRROR_DIRECTORY}" "${CHROOT_OUTPUT}/${MIRROR_DIRECTORY}"
fi
mkdir -p "${OUTPUT}"/grml_sources "${CHROOT_OUTPUT}"/grml-live/
mv "${OUTPUT}"/grml_sources "${CHROOT_OUTPUT}"/grml-live/
log "Executed FAI command line:"
log "${FAI_PROGRAM} ${GRML_FAI_CONFIG} ${CLASSES} ${FAI_ACTION} ${CHROOT_OUTPUT} ${CONFIGDUMP} ${FAI_DEBOOTSTRAP}"
einfo "${FAI_PROGRAM} ${GRML_FAI_CONFIG} ${CLASSES} ${FAI_ACTION} ${CHROOT_OUTPUT} ${CONFIGDUMP} ${FAI_DEBOOTSTRAP}"
# shellcheck disable=SC2086 # $FAI_DEBOOTSTRAP needs splitting
"${FAI_PROGRAM}" "${GRML_FAI_CONFIG}" "${CLASSES}" "${FAI_ACTION}" "${CHROOT_OUTPUT}" "${CONFIGDUMP}" ${FAI_DEBOOTSTRAP} 2>&1 | tee -a "${LOGFILE}"
RC="${PIPESTATUS[0]}" # notice: bash-only
# Fetches logs from "${CHROOT_OUTPUT}"/grml-live/log.
# Also run this on failure.
store_logfiles
if [ "$RC" != 0 ] ; then
log "Error: critical error while executing fai [exit code ${RC}]. Exiting."
eerror "Error: critical error while executing fai [exit code ${RC}]. Exiting." ; eend 1
bailout 1
fi
mv "${CHROOT_OUTPUT}"/grml-live/grml_sources/ "${OUTPUT}"
rmdir "${CHROOT_OUTPUT}"/grml-live
# provide inform fai about the ISO we build, needs to be provided
# *after* FAI stage, otherwise FAI skips the debootstrap stage if
# there is not BASEFILE (as it checks for presence of /etc) :(
echo '# This file has been generated by grml-live.' > "$CHROOT_OUTPUT/etc/grml_live_version"
[ -n "$GRML_LIVE_VERSION" ] && echo "GRML_LIVE_VERSION=$GRML_LIVE_VERSION" >> "$CHROOT_OUTPUT/etc/grml_live_version"
[ -n "$SUITE" ] && echo "SUITE=$SUITE" >> "$CHROOT_OUTPUT/etc/grml_live_version"
FORCE_ISO_REBUILD=true
umount_all
log "Finished execution of stage 'fai $FAI_ACTION' [$(date)]"
einfo "Finished execution of stage 'fai $FAI_ACTION'"
fi
fi # BUILD_DIRTY?
# }}}
# package validator {{{
CHECKLOG="$LOG_OUTPUT"/fai/
if [ -r "$CHECKLOG/dpkg.selections" ] ; then
package_count=$(wc -l "$CHECKLOG/dpkg.selections" | awk '{print $1}')
else
package_count="unknown"
fi
mkdir -p "$REPORTS"
REPORT_MISSING_PACKAGES="${REPORTS}/TEST-MissingPackages.xml"
# check for missing packages
if ! [ -s "$CHECKLOG/package_errors.log" ] ; then
einfo "No missing packages found, generating empty junit report."
cat > "${REPORT_MISSING_PACKAGES}" << EOF
<?xml version="1.0" encoding="UTF-8"?>
<testsuite name="grml-live-missing-packages" tests="${package_count}" time="1" failures="0" errors="0" skipped="0" assertions="0">
<testcase name="test_missing_packages" time="0" assertions="0">
</testcase>
<system-out>
</system-out>
<system-err>
</system-err>
</testsuite>
EOF
eend 0
else
einfo "Missing packages found, generating junit report."
if [ -r "$CHECKLOG/package_errors.log" ] ; then
package_errors=$(wc -l "$CHECKLOG/package_errors.log" | awk '{print $1}')
else
package_errors="unknown"
fi
mkdir -p "$REPORTS"
REPORT_MISSING_PACKAGES="${REPORTS}/TEST-MissingPackages.xml"
cat > "${REPORT_MISSING_PACKAGES}" << EOF
<?xml version="1.0" encoding="UTF-8"?>
<testsuite name="grml-live-missing-packages" tests="${package_count}" time="1" failures="${package_errors}" errors="${package_errors}" skipped="0" assertions="0">
EOF
# shellcheck disable=SC2013 # We expect each line to be a single word.
for package in $(awk '{print $1}' "${CHECKLOG}/package_errors.log" | sed 's;/;\\/;') ; do
failure_reason="$(awk "/$package/ {print \$2}" "${CHECKLOG}/package_errors.log")"
cat >> "${REPORT_MISSING_PACKAGES}" << EOF
<testcase name="test_missing_packages_${package}" time="0" assertions="0">
<failure type="${failure_reason}" message="Package ${package} is missing">
Package $package is missing in chroot (${failure_reason})
</failure>
</testcase>
EOF
done
cat >> "${REPORT_MISSING_PACKAGES}" << EOF
<system-out>
</system-out>
<system-err>
</system-err>
</testsuite>
EOF
eend 0
if [ -n "$EXIT_ON_MISSING_PACKAGES" ] && [ -z "$BUILD_DIRTY" ] ; then
eerror "The following packages were requested for installation but could not be processed:"
cat "$CHECKLOG/package_errors.log"
eerror "... exiting as requested via \$EXIT_ON_MISSING_PACKAGES."
eend 1
bailout 13
else
ewarn "The following packages were requested for installation but could not be processed:"
cat "$CHECKLOG/package_errors.log"
eend 0
fi
fi
# }}}
# grub boot {{{
grub_setup() {
EFI_IMG="/boot/efi.img"
local efi_size
if [[ "${SECURE_BOOT:-}" == "disable" ]] || [[ "${ARCH:-}" == "i386" ]] ; then
efi_size='4M'
else
# e.g. templates/EFI/debian for Secure Boot has >4MB and needs more space
efi_size='8M'
fi
if [[ "$ARCH" == "amd64" ]] || [[ "$ARCH" == "arm64" ]] ; then
case "$ARCH" in
arm64)
BOOTX64="/boot/bootaa64.efi"
;;
amd64)
BOOTX64="/boot/bootx64.efi"
BOOTX32="/boot/bootia32.efi"
;;
esac
# important: this depends on execution of ${GRML_FAI_CONFIG}/scripts/GRMLBASE/45-grub-images
if ! [ -r "${CHROOT_OUTPUT}/${BOOTX64}" ] ; then
log "Cannot access GRUB UEFI image ${CHROOT_OUTPUT}/${BOOTX64}, required for Secure Boot support"
eerror "Cannot access GRUB UEFI image ${CHROOT_OUTPUT}/${BOOTX64}, required for Secure Boot support" ; eend 1
log "Possible reason is failure to run ${GRML_FAI_CONFIG}/scripts/GRMLBASE/45-grub-images"
ewarn "Possible reason is failure to run ${GRML_FAI_CONFIG}/scripts/GRMLBASE/45-grub-images"
bailout 50
fi
# UEFI 32bit boot support, only supported with Debian trixie and newer,
# so make it optional and don't fail hard
if [[ "$ARCH" == "amd64" ]] && ! [ -r "${CHROOT_OUTPUT}/${BOOTX32}" ] ; then
local uefi_32bit_support
uefi_32bit_support=0
log "Cannot access GRUB 32-bit PC EFI image ${CHROOT_OUTPUT}/${BOOTX32}, disabling UEFI 32bit boot support."
ewarn "Cannot access GRUB 32-bit PC EFI image ${CHROOT_OUTPUT}/${BOOTX32}, disabling UEFI 32bit boot support" ; eend 0
fi
dd if=/dev/zero of="${CHROOT_OUTPUT}/${EFI_IMG}" bs="${efi_size}" count=1 2>/dev/null || bailout 50
mkfs.vfat -n GRML "${CHROOT_OUTPUT}/${EFI_IMG}" >/dev/null || bailout 51
mmd -i "${CHROOT_OUTPUT}/${EFI_IMG}" ::EFI || bailout 52
mmd -i "${CHROOT_OUTPUT}/${EFI_IMG}" ::EFI/BOOT || bailout 52
if [ "${SECURE_BOOT:-}" = "disable" ] ; then
log "Secure Boot is disabled."
einfo "Secure Boot is disabled." ; eend 0
# install "$BOOTX64" as ::EFI/BOOT/{bootx64.efi|bootaa64.efi} inside image file "$EFI_IMG",
# and if present also "$BOOTX32" as ::EFI/BOOT/bootia32.efi on amd64 for UEFI 32bit boot support:
case "$ARCH" in
arm64)
mcopy -i "${CHROOT_OUTPUT}/${EFI_IMG}" "${CHROOT_OUTPUT}/${BOOTX64}" ::EFI/BOOT/bootaa64.efi >/dev/null || bailout 53
;;
amd64)
mcopy -i "${CHROOT_OUTPUT}/${EFI_IMG}" "${CHROOT_OUTPUT}/${BOOTX64}" ::EFI/BOOT/bootx64.efi >/dev/null || bailout 53
# UEFI 32bit boot
if [ "${uefi_32bit_support:-}" != "0" ] ; then
mcopy -i "${CHROOT_OUTPUT}/${EFI_IMG}" "${CHROOT_OUTPUT}/${BOOTX32}" ::EFI/BOOT/bootia32.efi >/dev/null || bailout 53
fi
;;
esac
log "Created UEFI image $EFI_IMG from $BOOTX64 ${BOOTX32:-}"
einfo "Created UEFI image $EFI_IMG from $BOOTX64 ${BOOTX32:-}" ; eend 0
else
case "${SECURE_BOOT}" in
disable*)
log "Secure Boot is disabled [mode: ${SECURE_BOOT}]"
einfo "Secure Boot is disabled [mode: ${SECURE_BOOT}]" ; eend 0
;;
debian|ubuntu)
log "Secure Boot is enabled [mode: ${SECURE_BOOT}]"
einfo "Secure Boot is enabled [mode: ${SECURE_BOOT}]" ; eend 0
local GRUBCFG_TEMPLATE="${TEMPLATE_DIRECTORY}/secureboot/grub.cfg"
local GRUBCFG_TMP
GRUBCFG_TMP=$(mktemp)
if ! [ -r "${GRUBCFG_TEMPLATE}" ] ; then
log "Secure Boot template for GRUB [${GRUBCFG_TEMPLATE}] not found."
eerror "Secure Boot template for GRUB [${GRUBCFG_TEMPLATE}] not found." ; eend 1
bailout 54
fi
cp "${GRUBCFG_TEMPLATE}" "${GRUBCFG_TMP}"
adjust_boot_files "${GRUBCFG_TMP}"
mmd -i "${CHROOT_OUTPUT}/${EFI_IMG}" ::boot || bailout 55
mmd -i "${CHROOT_OUTPUT}/${EFI_IMG}" ::boot/grub || bailout 55
mcopy -i "${CHROOT_OUTPUT}/${EFI_IMG}" "${GRUBCFG_TMP}" ::boot/grub/grub.cfg || bailout 56
rm "${GRUBCFG_TMP}"
if [ -r "${TEMPLATE_DIRECTORY}/EFI/${SECURE_BOOT}/BOOT/grubx64.efi.signed" ] ; then
mcopy -i "${CHROOT_OUTPUT}/${EFI_IMG}" "${TEMPLATE_DIRECTORY}/EFI/${SECURE_BOOT}/BOOT/grubx64.efi.signed" ::EFI/BOOT/grubx64.efi >/dev/null || bailout 57
else
log "Secure Boot GRUB binary '${TEMPLATE_DIRECTORY}/EFI/${SECURE_BOOT}/BOOT/grubx64.efi.signed' not found."
eerror "Secure Boot GRUB binary '${TEMPLATE_DIRECTORY}/EFI/${SECURE_BOOT}/BOOT/grubx64.efi.signed' not found." ; eend 1
bailout 57
fi
if [ -r "${TEMPLATE_DIRECTORY}/EFI/${SECURE_BOOT}/BOOT/shimx64.efi.signed" ] ; then
mcopy -i "${CHROOT_OUTPUT}/${EFI_IMG}" "${TEMPLATE_DIRECTORY}/EFI/${SECURE_BOOT}/BOOT/shimx64.efi.signed" ::EFI/BOOT/bootx64.efi >/dev/null || bailout 58
else
log "Secure Boot GRUB binary '${TEMPLATE_DIRECTORY}/EFI/${SECURE_BOOT}/BOOT/shimx64.efi.signed' not found."
eerror "Secure Boot GRUB binary '${TEMPLATE_DIRECTORY}/EFI/${SECURE_BOOT}/BOOT/shimx64.efi.signed' not found." ; eend 1
bailout 57
fi
log "Created Secure Boot (${SECURE_BOOT}) UEFI image ${CHROOT_OUTPUT}/${EFI_IMG}"
einfo "Created Secure Boot (${SECURE_BOOT}) UEFI image ${CHROOT_OUTPUT}/${EFI_IMG}" ; eend 0
;;
*)
log "Secure Boot method '${SECURE_BOOT}' is unsupported."
eerror "Secure Boot method '${SECURE_BOOT}' is unsupported." ; eend 1
bailout 59
;;
esac
fi
fi
if [[ "$ARCH" == "i386" ]] ; then
BOOTX32="/boot/bootia32.efi"
if ! [ -r "${CHROOT_OUTPUT}/${BOOTX32}" ] ; then
log "Cannot access GRUB 32-bit PC EFI image ${CHROOT_OUTPUT}/${BOOTX32}."
eerror "Cannot access GRUB 32-bit PC EFI image ${CHROOT_OUTPUT}/${BOOTX32}." ; eend 1
log "Possible reason is failure to run ${GRML_FAI_CONFIG}/scripts/GRMLBASE/45-grub-images"
ewarn "Possible reason is failure to run ${GRML_FAI_CONFIG}/scripts/GRMLBASE/45-grub-images"
bailout 50
fi
dd if=/dev/zero of="${CHROOT_OUTPUT}/${EFI_IMG}" bs="${efi_size}" count=1 2>/dev/null || bailout 50
mkfs.vfat -n GRML "${CHROOT_OUTPUT}/${EFI_IMG}" >/dev/null || bailout 51
mmd -i "${CHROOT_OUTPUT}/${EFI_IMG}" ::EFI || bailout 52
mmd -i "${CHROOT_OUTPUT}/${EFI_IMG}" ::EFI/BOOT || bailout 52
mcopy -i "${CHROOT_OUTPUT}/${EFI_IMG}" "${CHROOT_OUTPUT}/${BOOTX32}" ::EFI/BOOT/bootia32.efi >/dev/null || bailout 53
log "Created 32-bit PC EFI image $EFI_IMG from $BOOTX32"
einfo "Created 32-bit PC EFI image $EFI_IMG from $BOOTX32" ; eend 0
fi
}
# }}}
# BUILD_OUTPUT - execute arch specific stuff and squashfs {{{
[ -n "$BUILD_OUTPUT" ] || BUILD_OUTPUT="$OUTPUT/grml_cd"
mkdir -p "$BUILD_OUTPUT" || bailout 6 "Problem with creating $BUILD_OUTPUT for stage ARCH"
# prepare ISO
if [ -n "$BOOTSTRAP_ONLY" ] ; then
log "Skipping stage 'boot' as building with bootstrap only."
ewarn "Skipping stage 'boot' as building with bootstrap only." ; eend 0
else
# Install boot code
mkdir -p "$BUILD_OUTPUT"/boot/"${SHORT_NAME}"
# this is a variable we're using for adjusting boot templates, not only in
# adjust_boot_files though, so set here
RELEASE_INFO="$GRML_NAME $VERSION - Release Codename $RELEASENAME"
# if we don't have an initrd we a) can't boot and b) there was an error
# during build, so check for the file:
# shellcheck disable=SC2010 disable=SC2012 # We do not expect fancy characters here.