Ani Sinha <a...@anisinha.ca> writes:
> This introduces QEMU acpi/smbios biosbits avocado test which is run > from within the python virtual environment. When the bits tests are run, bits > binaries are downloaded from an external repo/location, bios bits iso is > regenerated containing the acpi/smbios bits tests that are maintained as a > part > of the QEMU source under tests/avocado/acpi-bits/bits-test . When the VM is > spawned with the iso, it runs the tests in batch mode and the results are > pushed > out from the VM to the test machine where they are analyzed by this script and > pass/fail results are reported. > > Cc: Daniel P. Berrangé <berra...@redhat.com> > Cc: Paolo Bonzini <pbonz...@redhat.com> > Cc: Maydell Peter <peter.mayd...@linaro.org> > Cc: John Snow <js...@redhat.com> > Cc: Thomas Huth <th...@redhat.com> > Cc: Alex Bennée <alex.ben...@linaro.org> > Cc: Igor Mammedov <imamm...@redhat.com> > Cc: Michael Tsirkin <m...@redhat.com> > Signed-off-by: Ani Sinha <a...@anisinha.ca> > --- > tests/avocado/acpi-bits.py | 359 +++++++++++++++++++++++++++++++++++++ > 1 file changed, 359 insertions(+) > create mode 100644 tests/avocado/acpi-bits.py > > diff --git a/tests/avocado/acpi-bits.py b/tests/avocado/acpi-bits.py > new file mode 100644 > index 0000000000..009c7f5327 > --- /dev/null > +++ b/tests/avocado/acpi-bits.py > @@ -0,0 +1,359 @@ > +#!/usr/bin/env python3 > +# group: rw quick > +# Exercize QEMU generated ACPI/SMBIOS tables using biosbits, > +# https://biosbits.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/>. > +# > +# > +# Author: > +# Ani Sinha <a...@anisinha.ca> > + > +# pylint: disable=invalid-name > +# pylint: disable=consider-using-f-string > + > +""" > +This is QEMU ACPI/SMBIOS avocado tests using biosbits. > +Biosbits is available originally at https://biosbits.org/. > +This test uses a fork of the upstream bits and has numerous fixes > +including an upgraded acpica. The fork is located here: > +https://gitlab.com/qemu-project/biosbits-bits . > +""" > + > +import logging > +import os > +import re > +import shutil > +import subprocess > +import tarfile > +import tempfile > +import time > +import zipfile > +from typing import ( > + List, > + Optional, > + Sequence, > +) > +from qemu.machine import QEMUMachine > +from avocado import skipIf > +from avocado_qemu import QemuBaseTest > + > +def _print_log(log): > + print('\nlogs from biosbits follows:') > + print('==========================================\n') > + print(log) > + print('==========================================\n') > + > +class QEMUBitsMachine(QEMUMachine): # pylint: disable=too-few-public-methods > + """ > + A QEMU VM, with isa-debugcon enabled and bits iso passed > + using -cdrom to QEMU commandline. > + > + """ > + def __init__(self, > + binary: str, > + args: Sequence[str] = (), > + wrapper: Sequence[str] = (), > + name: Optional[str] = None, > + base_temp_dir: str = "/var/tmp", > + debugcon_log: str = "debugcon-log.txt", > + debugcon_addr: str = "0x403", > + sock_dir: Optional[str] = None, > + qmp_timer: Optional[float] = None): > + # pylint: disable=too-many-arguments > + > + if name is None: > + name = "qemu-bits-%d" % os.getpid() > + if sock_dir is None: > + sock_dir = base_temp_dir > + super().__init__(binary, args, wrapper=wrapper, name=name, > + base_temp_dir=base_temp_dir, > + sock_dir=sock_dir, qmp_timer=qmp_timer) > + self.debugcon_log = debugcon_log > + self.debugcon_addr = debugcon_addr > + self.base_temp_dir = base_temp_dir > + > + @property > + def _base_args(self) -> List[str]: > + args = super()._base_args > + args.extend([ > + '-chardev', > + 'file,path=%s,id=debugcon' %os.path.join(self.base_temp_dir, > + self.debugcon_log), > + '-device', > + 'isa-debugcon,iobase=%s,chardev=debugcon' %self.debugcon_addr, > + ]) > + return args > + > + def base_args(self): > + """return the base argument to QEMU binary""" > + return self._base_args > + > +@skipIf(os.getenv('GITLAB_CI'), 'Running on GitLab') > +class AcpiBitsTest(QemuBaseTest): #pylint: > disable=too-many-instance-attributes > + """ > + ACPI and SMBIOS tests using biosbits. > + > + :avocado: tags=arch:x86_64 > + :avocado: tags=acpi > + > + """ > + def __init__(self, *args, **kwargs): > + super().__init__(*args, **kwargs) > + self._vm = None > + self._workDir = None > + self._baseDir = None > + > + # following are some standard configuration constants > + self._bitsInternalVer = 2020 > + self._bitsCommitHash = 'b972c69d' # commit hash must match > + # the artifact tag below > + self._bitsTag = "qemu-bits-09272022" # this is the latest bits > + # release as of today. > + self._bitsArtSHA1Hash = '6915ad4781de0d80d1a099438a4cb4bd9e12df70' > + self._bitsArtURL = ("https://gitlab.com/qemu-project/"; > + "biosbits-bits/-/jobs/artifacts/%s/" > + "download?job=qemu-bits-build" %self._bitsTag) > + self._debugcon_addr = '0x403' > + self._debugcon_log = 'debugcon-log.txt' > + logging.basicConfig(level=logging.INFO) > + > + def copy_bits_config(self): > + """ copies the bios bits config file into bits. > + """ > + config_file = 'bits-cfg.txt' > + bits_config_dir = os.path.join(self._baseDir, 'acpi-bits', > + 'bits-config') > + target_config_dir = os.path.join(self._workDir, > + 'bits-%d' %self._bitsInternalVer, > + 'boot') > + self.assertTrue(os.path.exists(bits_config_dir)) > + self.assertTrue(os.path.exists(target_config_dir)) > + self.assertTrue(os.access(os.path.join(bits_config_dir, > + config_file), os.R_OK)) > + shutil.copy2(os.path.join(bits_config_dir, config_file), > + target_config_dir) > + logging.info('copied config file %s to %s', > + config_file, target_config_dir) > + > + def copy_test_scripts(self): > + """copies the python test scripts into bits. """ > + > + bits_test_dir = os.path.join(self._baseDir, 'acpi-bits', > + 'bits-tests') > + target_test_dir = os.path.join(self._workDir, > + 'bits-%d' %self._bitsInternalVer, > + 'boot', 'python') > + > + self.assertTrue(os.path.exists(bits_test_dir)) > + self.assertTrue(os.path.exists(target_test_dir)) > + > + for filename in os.listdir(bits_test_dir): > + if os.path.isfile(os.path.join(bits_test_dir, filename)) and \ > + filename.endswith('.py2'): > + # all test scripts are named with extension .py2 so that > + # avocado does not try to load them. These scripts are > + # written for python 2.7 not python 3 and hence if avocado > + # loaded them, it would complain about python 3 specific > + # syntaxes. > + newfilename = os.path.splitext(filename)[0] + '.py' > + shutil.copy2(os.path.join(bits_test_dir, filename), > + os.path.join(target_test_dir, newfilename)) > + logging.info('copied test file %s to %s', > + filename, target_test_dir) > + > + # now remove the pyc test file if it exists, otherwise the > + # changes in the python test script won't be executed. > + testfile_pyc = os.path.splitext(filename)[0] + '.pyc' > + if os.access(os.path.join(target_test_dir, testfile_pyc), > + os.F_OK): > + os.remove(os.path.join(target_test_dir, testfile_pyc)) > + logging.info('removed compiled file %s', > + os.path.join(target_test_dir, testfile_pyc)) > + > + def fix_mkrescue(self, mkrescue): > + """ grub-mkrescue is a bash script with two variables, 'prefix' and > + 'libdir'. They must be pointed to the right location so that the > + iso can be generated appropriately. We point the two variables to > + the directory where we have extracted our pre-built bits grub > + tarball. > + """ > + grub_x86_64_mods = os.path.join(self._workDir, > 'grub-inst-x86_64-efi') > + grub_i386_mods = os.path.join(self._workDir, 'grub-inst') > + > + self.assertTrue(os.path.exists(grub_x86_64_mods)) > + self.assertTrue(os.path.exists(grub_i386_mods)) > + > + new_script = "" > + with open(mkrescue, 'r', encoding='utf-8') as filehandle: > + orig_script = filehandle.read() > + new_script = re.sub('(^prefix=)(.*)', > + r'\1"%s"' %grub_x86_64_mods, > + orig_script, flags=re.M) > + new_script = re.sub('(^libdir=)(.*)', r'\1"%s/lib"' > %grub_i386_mods, > + new_script, flags=re.M) > + > + with open(mkrescue, 'w', encoding='utf-8') as filehandle: > + filehandle.write(new_script) > + > + def generate_bits_iso(self): > + """ Uses grub-mkrescue to generate a fresh bits iso with the python > + test scripts > + """ > + bits_dir = os.path.join(self._workDir, > + 'bits-%d' %self._bitsInternalVer) > + iso_file = os.path.join(self._workDir, > + 'bits-%d.iso' %self._bitsInternalVer) > + mkrescue_script = os.path.join(self._workDir, > + 'grub-inst-x86_64-efi', 'bin', > + 'grub-mkrescue') This seems wrong because it fails to find grub-mkrescue (which on my system is in the PATH): ➜ which grub-mkrescue /usr/bin/grub-mkrescue but because it can't find this it never works. -- Alex Bennée
