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#!/usr/bin/python3
# SPDX-License-Identifier: GPL-2.0-or-later
#
# Copyright © 2020-2024 Christian Kastner <ckk@debian.org>
# 2024 Johannes Schauer Marin Rodrigues <josch@debian.org>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see
# <http://www.gnu.org/licenses/>.
#
#######################################################################
import argparse
import os
import subprocess
import sys
import textwrap
SUPPORTED_ARCHS = [
'amd64',
'arm64',
'armhf',
'i386',
'ppc64el',
]
DEFAULT_ARCH = subprocess.check_output(
['dpkg', '--print-architecture'],
text=True,
).strip()
def gen_sourceslist(mirror, dist, components, with_bpo=False):
"""Generate a sources.list file for the VM.
If distribution ends with '-backports', then its base distribution will
automatically be added.
If distribution is 'experimental', then the 'unstable' distribution will
automatically be added.
"""
sl = textwrap.dedent(
f"""\
deb {mirror} {dist} {' '.join(components)}
deb-src {mirror} {dist} {' '.join(components)}
""")
if dist == 'experimental':
sl += textwrap.dedent(
f"""
deb {mirror} unstable {' '.join(components)}
deb-src {mirror} unstable {' '.join(components)}
""")
elif dist.endswith('-backports'):
sl += textwrap.dedent(
f"""
deb {mirror} {dist[:-10]} {' '.join(components)}
deb-src {mirror} {dist[:-10]} {' '.join(components)}
""")
return sl
def main():
parser = argparse.ArgumentParser(
description="Builds images for use with qemu-sbuild and autopkgtest.",
epilog="Note that qemu-sbuild-create is just a simple wrapper around "
"autopkgtest-build-qemu(1) that automates a few additional "
"steps commonly performed with package-building images.",
)
parser.add_argument(
'--arch',
action='store',
default=DEFAULT_ARCH,
help="Architecture to use. Default is the host architecture. "
"Currently supported architectures are: "
f"{', '.join(SUPPORTED_ARCHS)}.",
)
parser.add_argument(
'--install-packages',
action='store',
help="Comma-separated list of additional packages to install in the "
"image using 'apt-get install' from within the image.",
)
parser.add_argument(
'--extra-deb',
action='append',
help="Package file (.deb) from the local filesystem to install. Can "
"be specified more than once.",
)
parser.add_argument(
'--components',
action='store',
default='main',
help="Comma-separated list of components to use with sources.list "
"entries. Default: main.",
)
# Not yet merged into autopkgtest, see #973457
# parser.add_argument('--variant', action='store')
parser.add_argument(
'--skel',
type=str,
action='store',
help="Skeleton directory to use for /root.",
)
parser.add_argument(
'--authorized-keys',
metavar='FILE',
action='store',
help="Install this file as /root/.ssh/authorized_keys within the "
"guest. This will automatically install the 'openssh-server' "
"package. This supersedes any copying of this file by the "
"--skel option.",
)
parser.add_argument(
'--size',
type=str,
action='store',
default='10G',
help="Image size to use. Note that the images are in qcow2 format, so "
"they won't consume that space right away. Default: 10G.",
)
parser.add_argument(
'-o', '--out-file',
action='store',
help="Output filename. If not supplied, then "
"DIST-autopkgtest-ARCH.img will be used.",
)
parser.add_argument(
'--noexec',
action='store_true',
help="Don't actually do anything. Just print the autopkgtest-build-"
"qemu(1) command string that would be executed, and then exit.",
)
parser.add_argument(
'--boot',
choices=['auto', 'bios', 'efi', 'ieee1275', 'none'],
default='auto',
help="How the image should boot. Default is BIOS on amd64 and i386, "
"EFI on arm64 and armhf, and IEEE1275 on ppc64el.",
)
parser.add_argument(
'distribution',
action='store',
help="The distribution to debootstrap.",
)
parser.add_argument(
'mirror',
action='store',
help="The mirror to use for the installation. Note that the mirror "
"will also be used for the sources.list file in the VM.",
)
parsed = parser.parse_args()
# Internal args
if parsed.arch not in SUPPORTED_ARCHS:
print(
f"Unsupported architecture: {parsed.arch}",
file=sys.stderr,
)
sys.exit(1)
if parsed.out_file:
out_file = parsed.out_file
else:
out_file = f"{parsed.distribution}-autopkgtest-{parsed.arch}.img"
components = parsed.components.split(',')
# We can only pass arguments to the other tools via the environment
#
# Args consumed by the modscript
if parsed.skel:
os.environ['SQC_SKEL'] = parsed.skel
print('export SQC_SKEL=' + os.environ['SQC_SKEL'])
if parsed.authorized_keys:
os.environ['SQC_AUTH_KEYS'] = parsed.authorized_keys
print('export SQC_AUTH_KEYS=' + os.environ['SQC_AUTH_KEYS'])
if parsed.extra_deb:
extra_debs = ' '.join(parsed.extra_deb)
os.environ['SQC_EXTRA_DEBS'] = extra_debs
print('export SQC_EXTRA_DEBS=' + extra_debs)
if parsed.install_packages:
install_packages = parsed.install_packages.replace(',', ' ')
os.environ['SQC_INSTALL_PACKAGES'] = install_packages
print('export SQC_INSTALL_PACKAGES=' + install_packages)
# Args consumed by autopkgtest-build-qemu
os.environ['AUTOPKGTEST_APT_SOURCES'] = gen_sourceslist(
parsed.mirror,
parsed.distribution,
components,
)
print('sources.list (via export AUTOPKGTEST_APT_SOURCES)\n------------')
print(os.environ['AUTOPKGTEST_APT_SOURCES'])
#if parsed.variant:
# args += ['--variant', parsed.variant]
dist = parsed.distribution
if dist.endswith('-backports'):
dist = dist[:-len('-backports')]
elif dist == 'experimental':
dist = 'unstable'
args = [
'autopkgtest-build-qemu',
'--architecture', parsed.arch,
'--mirror', parsed.mirror,
'--size', parsed.size,
'--script', '/usr/share/sbuild/sbuild-qemu-create-modscript',
'--boot', parsed.boot,
dist,
out_file,
]
if os.getuid() != 0:
print('Must be root to use this.', file=sys.stderr)
sys.exit(1)
os.umask(22)
print(' '.join(str(a) for a in args))
if not parsed.noexec:
os.execvp(args[0], args)
if __name__ == '__main__':
main()
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