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97 lines
3.4 KiB
Python
97 lines
3.4 KiB
Python
#!/usr/bin/env python3
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#
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# Linux initrd integration test.
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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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# Wainer dos Santos Moschetta <wainersm@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 os
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import logging
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import tempfile
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from qemu_test import QemuSystemTest, Asset
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from unittest import skipUnless
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class LinuxInitrd(QemuSystemTest):
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"""
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Checks QEMU evaluates correctly the initrd file passed as -initrd option.
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"""
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timeout = 300
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ASSET_F18_KERNEL = Asset(
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('https://archives.fedoraproject.org/pub/archive/fedora/linux/'
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'releases/18/Fedora/x86_64/os/images/pxeboot/vmlinuz'),
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'1a27cb42559ce29237ac186699d063556ad69c8349d732bb1bd8d614e5a8cc2e')
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ASSET_F28_KERNEL = Asset(
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('https://archives.fedoraproject.org/pub/archive/fedora/linux/'
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'releases/28/Everything/x86_64/os/images/pxeboot/vmlinuz'),
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'd05909c9d4a742a6fcc84dcc0361009e4611769619cc187a07107579a035f24e')
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def test_with_2gib_file_should_exit_error_msg_with_linux_v3_6(self):
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"""
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Pretends to boot QEMU with an initrd file with size of 2GiB
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and expect it exits with error message.
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Fedora-18 shipped with linux-3.6 which have not supported xloadflags
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cannot support more than 2GiB initrd.
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"""
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self.set_machine('pc')
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kernel_path = self.ASSET_F18_KERNEL.fetch()
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max_size = 2 * (1024 ** 3) - 1
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with tempfile.NamedTemporaryFile() as initrd:
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initrd.seek(max_size)
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initrd.write(b'\0')
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initrd.flush()
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self.vm.add_args('-kernel', kernel_path, '-initrd', initrd.name,
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'-m', '4096')
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self.vm.set_qmp_monitor(enabled=False)
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self.vm.launch()
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self.vm.wait()
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self.assertEqual(self.vm.exitcode(), 1)
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expected_msg = r'.*initrd is too large.*max: \d+, need %s.*' % (
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max_size + 1)
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self.assertRegex(self.vm.get_log(), expected_msg)
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@skipUnless(os.getenv('QEMU_TEST_FLAKY_TESTS'), 'Test is unstable on GitLab')
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def test_with_2gib_file_should_work_with_linux_v4_16(self):
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"""
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QEMU has supported up to 4 GiB initrd for recent kernel
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Expect guest can reach 'Unpacking initramfs...'
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"""
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self.set_machine('pc')
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kernel_path = self.ASSET_F28_KERNEL.fetch()
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max_size = 2 * (1024 ** 3) + 1
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with tempfile.NamedTemporaryFile() as initrd:
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initrd.seek(max_size)
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initrd.write(b'\0')
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initrd.flush()
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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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'-initrd', initrd.name,
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'-m', '5120')
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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 'Unpacking initramfs...' 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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if __name__ == '__main__':
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QemuSystemTest.main()
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