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# Functional test that boots a Linux kernel and checks the console
#
# Copyright (c) 2018 Red Hat, Inc.
#
# Author:
# Cleber Rosa <crosa@redhat.com>
#
# This work is licensed under the terms of the GNU GPL, version 2 or
# later. See the COPYING file in the top-level directory.
import os
import lzma
import gzip
import shutil
from avocado import skip
from avocado import skipUnless
from avocado import skipUnless
from avocado_qemu import QemuSystemTest
from avocado_qemu import exec_command
from avocado_qemu import exec_command_and_wait_for_pattern
from avocado_qemu import interrupt_interactive_console_until_pattern
from avocado_qemu import wait_for_console_pattern
from avocado.utils import process
from avocado.utils import archive
class LinuxKernelTest(QemuSystemTest):
KERNEL_COMMON_COMMAND_LINE = 'printk.time=0 '
def wait_for_console_pattern(self, success_message, vm=None):
wait_for_console_pattern(self, success_message,
failure_message='Kernel panic - not syncing',
vm=vm)
def extract_from_deb(self, deb, path):
"""
Extracts a file from a deb package into the test workdir
:param deb: path to the deb archive
:param path: path within the deb archive of the file to be extracted
:returns: path of the extracted file
"""
cwd = os.getcwd()
os.chdir(self.workdir)
file_path = process.run("ar t %s" % deb).stdout_text.split()[2]
process.run("ar x %s %s" % (deb, file_path))
archive.extract(file_path, self.workdir)
os.chdir(cwd)
# Return complete path to extracted file. Because callers to
# extract_from_deb() specify 'path' with a leading slash, it is
# necessary to use os.path.relpath() as otherwise os.path.join()
# interprets it as an absolute path and drops the self.workdir part.
return os.path.normpath(os.path.join(self.workdir,
os.path.relpath(path, '/')))
def extract_from_rpm(self, rpm, path):
"""
Extracts a file from an RPM package into the test workdir.
:param rpm: path to the rpm archive
:param path: path within the rpm archive of the file to be extracted
needs to be a relative path (starting with './') because
cpio(1), which is used to extract the file, expects that.
:returns: path of the extracted file
"""
cwd = os.getcwd()
os.chdir(self.workdir)
process.run("rpm2cpio %s | cpio -id %s" % (rpm, path), shell=True)
os.chdir(cwd)
return os.path.normpath(os.path.join(self.workdir, path))
class BootLinuxConsole(LinuxKernelTest):
"""
Boots a Linux kernel and checks that the console is operational and the
kernel command line is properly passed from QEMU to the kernel
"""
timeout = 90
def test_x86_64_pc(self):
"""
:avocado: tags=arch:x86_64
:avocado: tags=machine:pc
"""
kernel_url = ('https://archives.fedoraproject.org/pub/archive/fedora'
'/linux/releases/29/Everything/x86_64/os/images/pxeboot'
'/vmlinuz')
kernel_hash = '23bebd2680757891cf7adedb033532163a792495'
kernel_path = self.fetch_asset(kernel_url, asset_hash=kernel_hash)
self.vm.set_console()
kernel_command_line = self.KERNEL_COMMON_COMMAND_LINE + 'console=ttyS0'
self.vm.add_args('-kernel', kernel_path,
'-append', kernel_command_line)
self.vm.launch()
console_pattern = 'Kernel command line: %s' % kernel_command_line
self.wait_for_console_pattern(console_pattern)
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