ExMon-ISO/build.sh

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2018-10-08 14:12:01 +02:00
#!/bin/bash
set -e -u
iso_name=archlinux
iso_label="ARCH_$(date +%Y%m)"
iso_publisher="Arch Linux <http://www.archlinux.org>"
iso_application="Arch Linux Live/Rescue CD"
iso_version=$(date +%Y.%m.%d)
install_dir=arch
work_dir=work
out_dir=out
gpg_key=
verbose=""
script_path=$(readlink -f ${0%/*})
umask 0022
_usage ()
{
echo "usage ${0} [options]"
echo
echo " General options:"
echo " -N <iso_name> Set an iso filename (prefix)"
echo " Default: ${iso_name}"
echo " -V <iso_version> Set an iso version (in filename)"
echo " Default: ${iso_version}"
echo " -L <iso_label> Set an iso label (disk label)"
echo " Default: ${iso_label}"
echo " -P <publisher> Set a publisher for the disk"
echo " Default: '${iso_publisher}'"
echo " -A <application> Set an application name for the disk"
echo " Default: '${iso_application}'"
echo " -D <install_dir> Set an install_dir (directory inside iso)"
echo " Default: ${install_dir}"
echo " -w <work_dir> Set the working directory"
echo " Default: ${work_dir}"
echo " -o <out_dir> Set the output directory"
echo " Default: ${out_dir}"
echo " -v Enable verbose output"
echo " -h This help message"
exit ${1}
}
# Helper function to run make_*() only one time per architecture.
run_once() {
if [[ ! -e ${work_dir}/build.${1} ]]; then
$1
touch ${work_dir}/build.${1}
fi
}
# Setup custom pacman.conf with current cache directories.
make_pacman_conf() {
local _cache_dirs
_cache_dirs=($(pacman -v 2>&1 | grep '^Cache Dirs:' | sed 's/Cache Dirs:\s*//g'))
sed -r "s|^#?\\s*CacheDir.+|CacheDir = $(echo -n ${_cache_dirs[@]})|g" ${script_path}/pacman.conf > ${work_dir}/pacman.conf
}
# Base installation, plus needed packages (airootfs)
make_basefs() {
mkarchiso ${verbose} -w "${work_dir}/x86_64" -C "${work_dir}/pacman.conf" -D "${install_dir}" init
mkarchiso ${verbose} -w "${work_dir}/x86_64" -C "${work_dir}/pacman.conf" -D "${install_dir}" -p "haveged intel-ucode amd-ucode memtest86+ mkinitcpio-nfs-utils nbd zsh efitools" install
}
# Additional packages (airootfs)
make_packages() {
mkarchiso ${verbose} -w "${work_dir}/x86_64" -C "${work_dir}/pacman.conf" -D "${install_dir}" -p "$(grep -h -v ^# ${script_path}/packages.x86_64)" install
}
# Copy mkinitcpio archiso hooks and build initramfs (airootfs)
make_setup_mkinitcpio() {
local _hook
mkdir -p ${work_dir}/x86_64/airootfs/etc/initcpio/hooks
mkdir -p ${work_dir}/x86_64/airootfs/etc/initcpio/install
for _hook in archiso archiso_shutdown archiso_pxe_common archiso_pxe_nbd archiso_pxe_http archiso_pxe_nfs archiso_loop_mnt; do
cp /usr/lib/initcpio/hooks/${_hook} ${work_dir}/x86_64/airootfs/etc/initcpio/hooks
cp /usr/lib/initcpio/install/${_hook} ${work_dir}/x86_64/airootfs/etc/initcpio/install
done
sed -i "s|/usr/lib/initcpio/|/etc/initcpio/|g" ${work_dir}/x86_64/airootfs/etc/initcpio/install/archiso_shutdown
cp /usr/lib/initcpio/install/archiso_kms ${work_dir}/x86_64/airootfs/etc/initcpio/install
cp /usr/lib/initcpio/archiso_shutdown ${work_dir}/x86_64/airootfs/etc/initcpio
cp ${script_path}/mkinitcpio.conf ${work_dir}/x86_64/airootfs/etc/mkinitcpio-archiso.conf
gnupg_fd=
if [[ ${gpg_key} ]]; then
gpg --export ${gpg_key} >${work_dir}/gpgkey
exec 17<>${work_dir}/gpgkey
fi
ARCHISO_GNUPG_FD=${gpg_key:+17} mkarchiso ${verbose} -w "${work_dir}/x86_64" -C "${work_dir}/pacman.conf" -D "${install_dir}" -r 'mkinitcpio -c /etc/mkinitcpio-archiso.conf -k /boot/vmlinuz-linux -g /boot/archiso.img' run
if [[ ${gpg_key} ]]; then
exec 17<&-
fi
}
# Customize installation (airootfs)
make_customize_airootfs() {
cp -af ${script_path}/airootfs ${work_dir}/x86_64
cp ${script_path}/pacman.conf ${work_dir}/x86_64/airootfs/etc
curl -o ${work_dir}/x86_64/airootfs/etc/pacman.d/mirrorlist 'https://www.archlinux.org/mirrorlist/?country=all&protocol=http&use_mirror_status=on'
lynx -dump -nolist 'https://wiki.archlinux.org/index.php/Installation_Guide?action=render' >> ${work_dir}/x86_64/airootfs/root/install.txt
mkarchiso ${verbose} -w "${work_dir}/x86_64" -C "${work_dir}/pacman.conf" -D "${install_dir}" -r '/root/customize_airootfs.sh' run
rm ${work_dir}/x86_64/airootfs/root/customize_airootfs.sh
}
# Prepare kernel/initramfs ${install_dir}/boot/
make_boot() {
mkdir -p ${work_dir}/iso/${install_dir}/boot/x86_64
cp ${work_dir}/x86_64/airootfs/boot/archiso.img ${work_dir}/iso/${install_dir}/boot/x86_64/archiso.img
cp ${work_dir}/x86_64/airootfs/boot/vmlinuz-linux ${work_dir}/iso/${install_dir}/boot/x86_64/vmlinuz
}
# Add other aditional/extra files to ${install_dir}/boot/
make_boot_extra() {
cp ${work_dir}/x86_64/airootfs/boot/memtest86+/memtest.bin ${work_dir}/iso/${install_dir}/boot/memtest
cp ${work_dir}/x86_64/airootfs/usr/share/licenses/common/GPL2/license.txt ${work_dir}/iso/${install_dir}/boot/memtest.COPYING
cp ${work_dir}/x86_64/airootfs/boot/intel-ucode.img ${work_dir}/iso/${install_dir}/boot/intel_ucode.img
cp ${work_dir}/x86_64/airootfs/usr/share/licenses/intel-ucode/LICENSE ${work_dir}/iso/${install_dir}/boot/intel_ucode.LICENSE
cp ${work_dir}/x86_64/airootfs/boot/amd-ucode.img ${work_dir}/iso/${install_dir}/boot/amd_ucode.img
cp ${work_dir}/x86_64/airootfs/usr/share/licenses/amd-ucode/LICENSE ${work_dir}/iso/${install_dir}/boot/amd_ucode.LICENSE
}
# Prepare /${install_dir}/boot/syslinux
make_syslinux() {
_uname_r=$(file -b ${work_dir}/x86_64/airootfs/boot/vmlinuz-linux| awk 'f{print;f=0} /version/{f=1}' RS=' ')
mkdir -p ${work_dir}/iso/${install_dir}/boot/syslinux
for _cfg in ${script_path}/syslinux/*.cfg; do
sed "s|%ARCHISO_LABEL%|${iso_label}|g;
s|%INSTALL_DIR%|${install_dir}|g" ${_cfg} > ${work_dir}/iso/${install_dir}/boot/syslinux/${_cfg##*/}
done
cp ${script_path}/syslinux/splash.png ${work_dir}/iso/${install_dir}/boot/syslinux
cp ${work_dir}/x86_64/airootfs/usr/lib/syslinux/bios/*.c32 ${work_dir}/iso/${install_dir}/boot/syslinux
cp ${work_dir}/x86_64/airootfs/usr/lib/syslinux/bios/lpxelinux.0 ${work_dir}/iso/${install_dir}/boot/syslinux
cp ${work_dir}/x86_64/airootfs/usr/lib/syslinux/bios/memdisk ${work_dir}/iso/${install_dir}/boot/syslinux
mkdir -p ${work_dir}/iso/${install_dir}/boot/syslinux/hdt
gzip -c -9 ${work_dir}/x86_64/airootfs/usr/share/hwdata/pci.ids > ${work_dir}/iso/${install_dir}/boot/syslinux/hdt/pciids.gz
gzip -c -9 ${work_dir}/x86_64/airootfs/usr/lib/modules/${_uname_r}/modules.alias > ${work_dir}/iso/${install_dir}/boot/syslinux/hdt/modalias.gz
}
# Prepare /isolinux
make_isolinux() {
mkdir -p ${work_dir}/iso/isolinux
sed "s|%INSTALL_DIR%|${install_dir}|g" ${script_path}/isolinux/isolinux.cfg > ${work_dir}/iso/isolinux/isolinux.cfg
cp ${work_dir}/x86_64/airootfs/usr/lib/syslinux/bios/isolinux.bin ${work_dir}/iso/isolinux/
cp ${work_dir}/x86_64/airootfs/usr/lib/syslinux/bios/isohdpfx.bin ${work_dir}/iso/isolinux/
cp ${work_dir}/x86_64/airootfs/usr/lib/syslinux/bios/ldlinux.c32 ${work_dir}/iso/isolinux/
}
# Prepare /EFI
make_efi() {
mkdir -p ${work_dir}/iso/EFI/boot
cp ${work_dir}/x86_64/airootfs/usr/share/efitools/efi/PreLoader.efi ${work_dir}/iso/EFI/boot/bootx64.efi
cp ${work_dir}/x86_64/airootfs/usr/share/efitools/efi/HashTool.efi ${work_dir}/iso/EFI/boot/
cp ${work_dir}/x86_64/airootfs/usr/lib/systemd/boot/efi/systemd-bootx64.efi ${work_dir}/iso/EFI/boot/loader.efi
mkdir -p ${work_dir}/iso/loader/entries
cp ${script_path}/efiboot/loader/loader.conf ${work_dir}/iso/loader/
cp ${script_path}/efiboot/loader/entries/uefi-shell-v2-x86_64.conf ${work_dir}/iso/loader/entries/
cp ${script_path}/efiboot/loader/entries/uefi-shell-v1-x86_64.conf ${work_dir}/iso/loader/entries/
sed "s|%ARCHISO_LABEL%|${iso_label}|g;
s|%INSTALL_DIR%|${install_dir}|g" \
${script_path}/efiboot/loader/entries/archiso-x86_64-usb.conf > ${work_dir}/iso/loader/entries/archiso-x86_64.conf
# EFI Shell 2.0 for UEFI 2.3+
curl -o ${work_dir}/iso/EFI/shellx64_v2.efi https://raw.githubusercontent.com/tianocore/edk2/master/ShellBinPkg/UefiShell/X64/Shell.efi
# EFI Shell 1.0 for non UEFI 2.3+
curl -o ${work_dir}/iso/EFI/shellx64_v1.efi https://raw.githubusercontent.com/tianocore/edk2/master/EdkShellBinPkg/FullShell/X64/Shell_Full.efi
}
# Prepare efiboot.img::/EFI for "El Torito" EFI boot mode
make_efiboot() {
mkdir -p ${work_dir}/iso/EFI/archiso
truncate -s 64M ${work_dir}/iso/EFI/archiso/efiboot.img
mkfs.fat -n ARCHISO_EFI ${work_dir}/iso/EFI/archiso/efiboot.img
mkdir -p ${work_dir}/efiboot
mount ${work_dir}/iso/EFI/archiso/efiboot.img ${work_dir}/efiboot
mkdir -p ${work_dir}/efiboot/EFI/archiso
cp ${work_dir}/iso/${install_dir}/boot/x86_64/vmlinuz ${work_dir}/efiboot/EFI/archiso/vmlinuz.efi
cp ${work_dir}/iso/${install_dir}/boot/x86_64/archiso.img ${work_dir}/efiboot/EFI/archiso/archiso.img
cp ${work_dir}/iso/${install_dir}/boot/intel_ucode.img ${work_dir}/efiboot/EFI/archiso/intel_ucode.img
cp ${work_dir}/iso/${install_dir}/boot/amd_ucode.img ${work_dir}/efiboot/EFI/archiso/amd_ucode.img
mkdir -p ${work_dir}/efiboot/EFI/boot
cp ${work_dir}/x86_64/airootfs/usr/share/efitools/efi/PreLoader.efi ${work_dir}/efiboot/EFI/boot/bootx64.efi
cp ${work_dir}/x86_64/airootfs/usr/share/efitools/efi/HashTool.efi ${work_dir}/efiboot/EFI/boot/
cp ${work_dir}/x86_64/airootfs/usr/lib/systemd/boot/efi/systemd-bootx64.efi ${work_dir}/efiboot/EFI/boot/loader.efi
mkdir -p ${work_dir}/efiboot/loader/entries
cp ${script_path}/efiboot/loader/loader.conf ${work_dir}/efiboot/loader/
cp ${script_path}/efiboot/loader/entries/uefi-shell-v2-x86_64.conf ${work_dir}/efiboot/loader/entries/
cp ${script_path}/efiboot/loader/entries/uefi-shell-v1-x86_64.conf ${work_dir}/efiboot/loader/entries/
sed "s|%ARCHISO_LABEL%|${iso_label}|g;
s|%INSTALL_DIR%|${install_dir}|g" \
${script_path}/efiboot/loader/entries/archiso-x86_64-cd.conf > ${work_dir}/efiboot/loader/entries/archiso-x86_64.conf
cp ${work_dir}/iso/EFI/shellx64_v2.efi ${work_dir}/efiboot/EFI/
cp ${work_dir}/iso/EFI/shellx64_v1.efi ${work_dir}/efiboot/EFI/
umount -d ${work_dir}/efiboot
}
# Build airootfs filesystem image
make_prepare() {
cp -a -l -f ${work_dir}/x86_64/airootfs ${work_dir}
mkarchiso ${verbose} -w "${work_dir}" -D "${install_dir}" pkglist
mkarchiso ${verbose} -w "${work_dir}" -D "${install_dir}" ${gpg_key:+-g ${gpg_key}} prepare
rm -rf ${work_dir}/airootfs
# rm -rf ${work_dir}/x86_64/airootfs (if low space, this helps)
}
# Build ISO
make_iso() {
mkarchiso ${verbose} -w "${work_dir}" -D "${install_dir}" -L "${iso_label}" -P "${iso_publisher}" -A "${iso_application}" -o "${out_dir}" iso "${iso_name}-${iso_version}-x86_64.iso"
}
if [[ ${EUID} -ne 0 ]]; then
echo "This script must be run as root."
_usage 1
fi
while getopts 'N:V:L:P:A:D:w:o:g:vh' arg; do
case "${arg}" in
N) iso_name="${OPTARG}" ;;
V) iso_version="${OPTARG}" ;;
L) iso_label="${OPTARG}" ;;
P) iso_publisher="${OPTARG}" ;;
A) iso_application="${OPTARG}" ;;
D) install_dir="${OPTARG}" ;;
w) work_dir="${OPTARG}" ;;
o) out_dir="${OPTARG}" ;;
g) gpg_key="${OPTARG}" ;;
v) verbose="-v" ;;
h) _usage 0 ;;
*)
echo "Invalid argument '${arg}'"
_usage 1
;;
esac
done
mkdir -p ${work_dir}
run_once make_pacman_conf
run_once make_basefs
run_once make_packages
run_once make_setup_mkinitcpio
run_once make_customize_airootfs
run_once make_boot
run_once make_boot_extra
run_once make_syslinux
run_once make_isolinux
run_once make_efi
run_once make_efiboot
run_once make_prepare
run_once make_iso