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a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1729510520; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=vgCJa3lRaWKDZ5YQG9hJnsfM4gpPiC8xhT/plBG3xHo=; b=Xpo+C8qtecsTsNcnKujM8p4QiXIvcE0J8bLmkiZcXG4x3rJnEN0OB7hzvEZndOdt6QLgiz bZHRo9gcAhjwZGNaceKSEKo75Lw5CckX/YB9yaiYBa9bFsM2/YUytonLL6zDghhbHbMJ9r 3ulgunIeFZdBodXUmuOfWi2cWvm/03c= X-MC-Unique: aL5D13iwNBa6nr2EtZ2erQ-1 From: Thomas Huth To: qemu-devel@nongnu.org Cc: Peter Maydell Subject: [PULL 05/21] tests/functional: Add a base class for the TuxRun tests Date: Mon, 21 Oct 2024 13:34:42 +0200 Message-ID: <20241021113500.122500-6-thuth@redhat.com> In-Reply-To: <20241021113500.122500-1-thuth@redhat.com> References: <20241021113500.122500-1-thuth@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.0 on 10.30.177.40 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.133.124; envelope-from=thuth@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -24 X-Spam_score: -2.5 X-Spam_bar: -- X-Spam_report: (-2.5 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.421, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1729510749668116600 Add a base class for the TuxRun tests, based on the code from tests/avocado/tuxrun_baselines.py (the test have to be put into separate file in the following commits, depending on the target architecture that gets tested). Signed-off-by: Thomas Huth Message-ID: <20241011131937.377223-2-thuth@redhat.com> --- tests/functional/qemu_test/tuxruntest.py | 158 +++++++++++++++++++++++ 1 file changed, 158 insertions(+) create mode 100644 tests/functional/qemu_test/tuxruntest.py diff --git a/tests/functional/qemu_test/tuxruntest.py b/tests/functional/qe= mu_test/tuxruntest.py new file mode 100644 index 0000000000..904da6f609 --- /dev/null +++ b/tests/functional/qemu_test/tuxruntest.py @@ -0,0 +1,158 @@ +# Functional test that boots known good tuxboot images the same way +# that tuxrun (www.tuxrun.org) does. This tool is used by things like +# the LKFT project to run regression tests on kernels. +# +# Copyright (c) 2023 Linaro Ltd. +# +# Author: +# Alex Benn=C3=A9e +# +# SPDX-License-Identifier: GPL-2.0-or-later + +import os +import time + +from qemu_test import QemuSystemTest +from qemu_test import exec_command, exec_command_and_wait_for_pattern +from qemu_test import wait_for_console_pattern +from qemu_test import has_cmd, run_cmd, get_qemu_img + +class TuxRunBaselineTest(QemuSystemTest): + + KERNEL_COMMON_COMMAND_LINE =3D 'printk.time=3D0' + # Tests are ~10-40s, allow for --debug/--enable-gcov overhead + timeout =3D 100 + + def get_tag(self, tagname, default=3DNone): + """ + Get the metadata tag or return the default. + """ + utag =3D self._get_unique_tag_val(tagname) + print(f"{tagname}/{default} -> {utag}") + if utag: + return utag + + return default + + def setUp(self): + super().setUp() + + # We need zstd for all the tuxrun tests + # See https://github.com/avocado-framework/avocado/issues/5609 + (has_zstd, msg) =3D has_cmd('zstd') + if has_zstd is False: + self.skipTest(msg) + self.zstd =3D 'zstd' + + # Pre-init TuxRun specific settings: Most machines work with + # reasonable defaults but we sometimes need to tweak the + # config. To avoid open coding everything we store all these + # details in the metadata for each test. + + # The tuxboot tag matches the root directory + self.tuxboot =3D self.arch + + # Most Linux's use ttyS0 for their serial port + self.console =3D "ttyS0" + + # Does the machine shutdown QEMU nicely on "halt" + self.wait_for_shutdown =3D True + + self.root =3D "vda" + + # Occasionally we need extra devices to hook things up + self.extradev =3D None + + self.qemu_img =3D get_qemu_img(self) + + def wait_for_console_pattern(self, success_message, vm=3DNone): + wait_for_console_pattern(self, success_message, + failure_message=3D'Kernel panic - not syn= cing', + vm=3Dvm) + + def fetch_tuxrun_assets(self, kernel_asset, rootfs_asset, dtb_asset=3D= None): + """ + Fetch the TuxBoot assets. + """ + kernel_image =3D kernel_asset.fetch() + disk_image_zst =3D rootfs_asset.fetch() + + run_cmd([self.zstd, "-f", "-d", disk_image_zst, + "-o", self.workdir + "/rootfs.ext4"]) + + dtb =3D dtb_asset.fetch() if dtb_asset is not None else None + + return (kernel_image, self.workdir + "/rootfs.ext4", dtb) + + def prepare_run(self, kernel, disk, drive, dtb=3DNone, console_index= =3D0): + """ + Setup to run and add the common parameters to the system + """ + self.vm.set_console(console_index=3Dconsole_index) + + # all block devices are raw ext4's + blockdev =3D "driver=3Draw,file.driver=3Dfile," \ + + f"file.filename=3D{disk},node-name=3Dhd0" + + kcmd_line =3D self.KERNEL_COMMON_COMMAND_LINE + kcmd_line +=3D f" root=3D/dev/{self.root}" + kcmd_line +=3D f" console=3D{self.console}" + + self.vm.add_args('-kernel', kernel, + '-append', kcmd_line, + '-blockdev', blockdev) + + # Sometimes we need extra devices attached + if self.extradev: + self.vm.add_args('-device', self.extradev) + + self.vm.add_args('-device', + f"{drive},drive=3Dhd0") + + # Some machines need an explicit DTB + if dtb: + self.vm.add_args('-dtb', dtb) + + def run_tuxtest_tests(self, haltmsg): + """ + Wait for the system to boot up, wait for the login prompt and + then do a few things on the console. Trigger a shutdown and + wait to exit cleanly. + """ + self.wait_for_console_pattern("Welcome to TuxTest") + time.sleep(0.2) + exec_command(self, 'root') + time.sleep(0.2) + exec_command(self, 'cat /proc/interrupts') + time.sleep(0.1) + exec_command(self, 'cat /proc/self/maps') + time.sleep(0.1) + exec_command(self, 'uname -a') + time.sleep(0.1) + exec_command_and_wait_for_pattern(self, 'halt', haltmsg) + + # Wait for VM to shut down gracefully if it can + if self.wait_for_shutdown: + self.vm.wait() + else: + self.vm.shutdown() + + def common_tuxrun(self, + kernel_asset, + rootfs_asset, + dtb_asset=3DNone, + drive=3D"virtio-blk-device", + haltmsg=3D"reboot: System halted", + console_index=3D0): + """ + Common path for LKFT tests. Unless we need to do something + special with the command line we can process most things using + the tag metadata. + """ + (kernel, disk, dtb) =3D self.fetch_tuxrun_assets(kernel_asset, roo= tfs_asset, + dtb_asset) + + self.prepare_run(kernel, disk, drive, dtb, console_index) + self.vm.launch() + self.run_tuxtest_tests(haltmsg) + os.remove(disk) --=20 2.47.0