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mmdebstrap/mmdebstrap-autopkgtest-buil...

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#!/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-pc"
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