#!/bin/sh # # © 2022 Johannes Schauer Marin Rodrigues <josch@mister-muffin.de> # # Permission is hereby granted, free of charge, to any person obtaining a copy # of this software and associated documentation files (the "Software"), to # deal in the Software without restriction, including without limitation the # rights to use, copy, modify, merge, publish, distribute, sublicense, and/or # sell copies of the Software, and to permit persons to whom the Software is # furnished to do so, subject to the following conditions: # # The above copyright notice and this permission notice shall be included in # all copies or substantial portions of the Software. # # The software is provided "as is", without warranty of any kind, express or # implied, including but not limited to the warranties of merchantability, # fitness for a particular purpose and noninfringement. In no event shall the # authors or copyright holders be liable for any claim, damages or other # liability, whether in an action of contract, tort or otherwise, arising # from, out of or in connection with the software or the use or other dealings # in the software. set -eu # This script creates debian-$RELEASE.qcow2 in the current directory which can # then be used by the autopkgtest qemu backend. # # Thanks to Francesco Poli for providing ideas and testing this. # # Thanks to Lars Wirzenius of vmdb2 where the grub and efi magic comes from. # # Only the native architecture is supported because guestfish doesn't support # foreign architectures. usage() { echo "Usage: $0 [--size=SIZE] [--boot=BOOT] RELEASE IMAGE" >&2 echo >&2 echo "RELEASE is a Debian release like unstable" >&2 echo "IMAGE will be stored in qcow2 format" >&2 echo "SIZE is 25G by default" >&2 echo "BOOT is either auto (the default), bios, efi or ieee1275" >&2 } nativearch="$(dpkg --print-architecture)" SIZE="25G" # default from autopkgtest-build-qemu BOOT="auto" if [ "$#" -lt 2 ]; then echo "Error: Insufficient number of arguments" >&2 usage exit 1 elif [ "$#" -eq 2 ]; then RELEASE=$1 IMAGE=$2 else # parse options OPTS=$(getopt -n "$0" -o h --long size:,boot:,architecture:,help -- "$@") if [ "$?" -ne 0 ]; then echo "Error: Cannot parse arguments" >&2 usage exit 1 fi eval set -- "$OPTS" while true; do case "$1" in --size) SIZE="$2"; shift 2; continue;; --boot) BOOT="$2"; shift 2; continue;; --help) usage; exit 1;; --architecture) echo "Error: cannot (yet) create foreign architecture images" >&2 exit 1 ;; --) shift; break;; *) echo "Error: unknown option $1" >&2 usage exit 1 ;; esac done RELEASE=$1 IMAGE=$2 fi # By default with --boot=auto (the default), bios boot is chosen for # amd64 and i386. Compare /usr/share/autopkgtest/lib/autopkgtest_qemu.py # But in practice, amd64 and i386 also support efi boot. But then # autopkgtest-virt-qemu has to be run with --boot=efi case "$BOOT" in auto) case "$nativearch" in amd64|i386) BOOT=bios;; armhf|arm64) BOOT=efi;; ppc64el) BOOT=ieee1275;; esac ;; bios) case "$nativearch" in amd64|i386);; *) echo "bios booting only possible on amd64 and i386" >&2 exit 1 ;; esac ;; efi) case "$nativearch" in amd64|i386|armhf|arm64);; *) echo "efi booting only possible on amd64, i386, armhf and arm64" >&2 exit 1 ;; esac ;; ieee1275) if [ "$nativearch" != "ppc64el" ]; then echo "ieee1275 booting only possible on ppc64el" >&2 exit 1 fi ;; *) echo "invalid value for --boot" >&2;; esac case "$nativearch" in amd64) [ $BOOT = bios ] || [ $BOOT = efi ] if [ $BOOT = bios ]; then include="linux-image-amd64 grub-pc" grub_target="i386-pc" elif [ $BOOT = efi ]; then include="linux-image-amd64 grub-efi" grub_target="x86_64-efi" fi ;; arm64) [ $BOOT = efi ] include="linux-image-arm64 grub-efi" grub_target="arm64-efi" ;; armhf) [ $BOOT = efi ] include="linux-image-armmp-lpae grub-efi" grub_target="arm-efi" ;; i386) [ $BOOT = bios ] || [ $BOOT = efi ] if [ $BOOT = bios ]; then include="linux-image-686-pae grub-pc" grub_target="i386-efi" elif [ $BOOT = efi ]; then include="linux-image-686-pae grub-efi" grub_target="i386-efi" fi ;; ppc64el) [ $BOOT = ieee1275 ] include="linux-image-powerpc64le grub-ieee1275" grub_target="powerpc-ieee1275" ;; *) echo "architecture $nativearch not yet supported" >&2 exit 1 ;; esac case "$nativearch" in arm64|armhf) serial="loglevel=3 console=tty0 console=ttyAMA0,115200n8" ;; ppc64el) serial="loglevel=3 console=tty0 console=hvc0,115200n8" ;; *) serial="loglevel=3 console=tty0 console=ttyS0,115200n8" ;; esac if ! command -v guestfish >/dev/null; then echo "Error: requires guestfish being installed" >&2 exit 1 fi if [ ! -e /usr/share/autopkgtest/setup-commands/setup-testbed ]; then echo "Error: requires autopkgtest being installed" >&2 exit 1 fi run_mmdebstrap() { mmdebstrap --variant=important --include="$include" \ --customize-hook='chroot "$1" passwd --delete root' \ --customize-hook='chroot "$1" useradd --home-dir /home/user --create-home user' \ --customize-hook='chroot "$1" passwd --delete user' \ --customize-hook='echo host > "$1/etc/hostname"' \ --customize-hook='echo "127.0.0.1 localhost host" > "$1/etc/hosts"' \ --customize-hook='env AUTOPKGTEST_BUILD_QEMU=1 /usr/share/autopkgtest/setup-commands/setup-testbed "$1"' \ "$RELEASE" - } guestfish_bios() { guestfish -- \ disk-create "$IMAGE" qcow2 "$SIZE" : \ add-drive "$IMAGE" format:qcow2 : \ launch : \ part-disk /dev/sda mbr : \ part-set-bootable /dev/sda 1 true : \ mkfs ext4 /dev/sda1 : mount /dev/sda1 / : \ tar-in - / xattrs:true : \ command "sh -c 'echo UUID=\$(blkid -c /dev/null -o value -s UUID /dev/sda1) / ext4 errors=remount-ro 0 1 > /etc/fstab'" : \ command "update-initramfs -u" : \ command "grub-mkconfig -o /boot/grub/grub.cfg" : \ command "grub-install /dev/sda --target=$grub_target --no-nvram --force-extra-removable --no-floppy --modules=part_gpt --grub-mkdevicemap=/boot/grub/device.map" : \ sync : umount / : shutdown } guestfish_efi() { guestfish -- \ disk-create "$IMAGE" qcow2 "$SIZE" : \ add-drive "$IMAGE" format:qcow2 : \ launch : \ part-init /dev/sda gpt : \ part-add /dev/sda primary 8192 262144 : \ part-add /dev/sda primary 262145 -34 : \ part-set-gpt-type /dev/sda 1 C12A7328-F81F-11D2-BA4B-00A0C93EC93B : \ mkfs ext4 /dev/sda2 : mount /dev/sda2 / : \ tar-in - / xattrs:true : \ mkdir-p /boot/efi : \ mkfs vfat /dev/sda1 : mount /dev/sda1 /boot/efi : \ command "sh -c 'echo UUID=\$(blkid -c /dev/null -o value -s UUID /dev/sda2) / ext4 errors=remount-ro 0 1 > /etc/fstab'" : \ command "sh -c 'echo UUID=\$(blkid -c /dev/null -o value -s UUID /dev/sda1) /boot/efi vfat errors=remount-ro 0 2 >> /etc/fstab'" : \ command "sed -i 's/^GRUB_CMDLINE_LINUX_DEFAULT=/GRUB_CMDLINE_LINUX_DEFAULT=\"biosdevname=0 net.ifnames=0 consoleblank=0 rw $serial\"/' /etc/default/grub" : \ command "update-initramfs -u" : \ command "grub-mkconfig -o /boot/grub/grub.cfg" : \ command "grub-install /dev/sda --target=$grub_target --no-nvram --force-extra-removable --no-floppy --modules=part_gpt --grub-mkdevicemap=/boot/grub/device.map" : \ sync : umount /boot/efi : umount / : shutdown } guestfish_ieee1275() { guestfish -- \ disk-create "$IMAGE" qcow2 "$SIZE" : \ add-drive "$IMAGE" format:qcow2 : \ launch : \ part-init /dev/sda gpt : \ part-add /dev/sda primary 8192 20480 : \ part-add /dev/sda primary 20481 -34 : \ part-set-gpt-type /dev/sda 1 9E1A2D38-C612-4316-AA26-8B49521E5A8B : \ mkfs ext4 /dev/sda2 : mount /dev/sda2 / : \ tar-in - / xattrs:true : \ command "sh -c 'echo UUID=\$(blkid -c /dev/null -o value -s UUID /dev/sda2) / ext4 errors=remount-ro 0 1 > /etc/fstab'" : \ command "sed -i 's/^GRUB_CMDLINE_LINUX_DEFAULT=/GRUB_CMDLINE_LINUX_DEFAULT=\"biosdevname=0 net.ifnames=0 consoleblank=0 rw $serial\"/' /etc/default/grub" : \ command "update-initramfs -u" : \ command "grub-mkconfig -o /boot/grub/grub.cfg" : \ command "grub-install /dev/sda --target=$grub_target --no-nvram --force-extra-removable --no-floppy --modules=part_gpt --grub-mkdevicemap=/boot/grub/device.map" : \ sync : umount / : shutdown } case "$BOOT" in bios) run_mmdebstrap | guestfish_bios;; efi) run_mmdebstrap | guestfish_efi;; ieee1275) run_mmdebstrap | guestfish_ieee1275;; esac echo "Success! The image is stored as $IMAGE" >&2