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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 logging
from avocado_qemu import Test
class BootLinuxConsole(Test):
"""
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
KERNEL_COMMON_COMMAND_LINE = 'printk.time=0 '
def wait_for_console_pattern(self, success_message,
failure_message='Kernel panic - not syncing'):
"""
Waits for messages to appear on the console, while logging the content
:param success_message: if this message appears, test succeeds
:param failure_message: if this message appears, test fails
"""
console = self.vm.console_socket.makefile()
console_logger = logging.getLogger('console')
while True:
msg = console.readline()
console_logger.debug(msg.strip())
if success_message in msg:
break
if failure_message in msg:
fail = 'Failure message found in console: %s' % failure_message
self.fail(fail)
def test_x86_64_pc(self):
"""
:avocado: tags=arch:x86_64
:avocado: tags=machine:pc
"""
kernel_url = ('https://download.fedoraproject.org/pub/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_machine('pc')
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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