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This test boots a Linux kernel, and checks that the given command line was effective in two ways: * It makes the kernel use the set "console device" as a console * The kernel records the command line as expected in the console Given that way too many error conditions may occur, and detecting the kernel boot progress status may not be trivial, this test relies on a timeout to handle unexpected situations. Also, it's *not* tagged as a quick test for obvious reasons. It may be useful, while interactively running/debugging this test, or tests similar to this one, to show some of the logging channels. Example: $ avocado --show=QMP,console run boot_linux_console.py Signed-off-by: Cleber Rosa <crosa@redhat.com> Message-Id: <20180530184156.15634-6-crosa@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
47 lines
1.5 KiB
Python
47 lines
1.5 KiB
Python
# Functional test that boots a Linux kernel and checks the console
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#
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# Copyright (c) 2018 Red Hat, Inc.
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#
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# Author:
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# Cleber Rosa <crosa@redhat.com>
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#
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# This work is licensed under the terms of the GNU GPL, version 2 or
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# later. See the COPYING file in the top-level directory.
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import logging
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from avocado_qemu import Test
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class BootLinuxConsole(Test):
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"""
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Boots a x86_64 Linux kernel and checks that the console is operational
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and the kernel command line is properly passed from QEMU to the kernel
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:avocado: enable
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:avocado: tags=x86_64
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"""
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timeout = 60
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def test(self):
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kernel_url = ('https://mirrors.kernel.org/fedora/releases/28/'
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'Everything/x86_64/os/images/pxeboot/vmlinuz')
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kernel_hash = '238e083e114c48200f80d889f7e32eeb2793e02a'
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kernel_path = self.fetch_asset(kernel_url, asset_hash=kernel_hash)
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self.vm.set_machine('pc')
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self.vm.set_console()
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kernel_command_line = 'console=ttyS0'
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self.vm.add_args('-kernel', kernel_path,
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'-append', kernel_command_line)
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self.vm.launch()
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console = self.vm.console_socket.makefile()
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console_logger = logging.getLogger('console')
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while True:
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msg = console.readline()
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console_logger.debug(msg.strip())
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if 'Kernel command line: %s' % kernel_command_line in msg:
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break
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if 'Kernel panic - not syncing' in msg:
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self.fail("Kernel panic reached")
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