| #!/usr/bin/env python3 |
| # |
| # Linux initrd integration test. |
| # |
| # Copyright (c) 2018 Red Hat, Inc. |
| # |
| # Author: |
| # Wainer dos Santos Moschetta <wainersm@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 logging |
| import tempfile |
| |
| from qemu_test import QemuSystemTest, Asset |
| from unittest import skipUnless |
| |
| |
| class LinuxInitrd(QemuSystemTest): |
| """ |
| Checks QEMU evaluates correctly the initrd file passed as -initrd option. |
| """ |
| |
| timeout = 300 |
| |
| ASSET_F18_KERNEL = Asset( |
| ('https://archives.fedoraproject.org/pub/archive/fedora/linux/' |
| 'releases/18/Fedora/x86_64/os/images/pxeboot/vmlinuz'), |
| '1a27cb42559ce29237ac186699d063556ad69c8349d732bb1bd8d614e5a8cc2e') |
| |
| ASSET_F28_KERNEL = Asset( |
| ('https://archives.fedoraproject.org/pub/archive/fedora/linux/' |
| 'releases/28/Everything/x86_64/os/images/pxeboot/vmlinuz'), |
| 'd05909c9d4a742a6fcc84dcc0361009e4611769619cc187a07107579a035f24e') |
| |
| def test_with_2gib_file_should_exit_error_msg_with_linux_v3_6(self): |
| """ |
| Pretends to boot QEMU with an initrd file with size of 2GiB |
| and expect it exits with error message. |
| Fedora-18 shipped with linux-3.6 which have not supported xloadflags |
| cannot support more than 2GiB initrd. |
| """ |
| self.set_machine('pc') |
| kernel_path = self.ASSET_F18_KERNEL.fetch() |
| max_size = 2 * (1024 ** 3) - 1 |
| |
| with tempfile.NamedTemporaryFile() as initrd: |
| initrd.seek(max_size) |
| initrd.write(b'\0') |
| initrd.flush() |
| self.vm.add_args('-kernel', kernel_path, '-initrd', initrd.name, |
| '-m', '4096') |
| self.vm.set_qmp_monitor(enabled=False) |
| self.vm.launch() |
| self.vm.wait() |
| self.assertEqual(self.vm.exitcode(), 1) |
| expected_msg = r'.*initrd is too large.*max: \d+, need %s.*' % ( |
| max_size + 1) |
| self.assertRegex(self.vm.get_log(), expected_msg) |
| |
| @skipUnless(os.getenv('QEMU_TEST_FLAKY_TESTS'), 'Test is unstable on GitLab') |
| def test_with_2gib_file_should_work_with_linux_v4_16(self): |
| """ |
| QEMU has supported up to 4 GiB initrd for recent kernel |
| Expect guest can reach 'Unpacking initramfs...' |
| """ |
| self.set_machine('pc') |
| kernel_path = self.ASSET_F28_KERNEL.fetch() |
| max_size = 2 * (1024 ** 3) + 1 |
| |
| with tempfile.NamedTemporaryFile() as initrd: |
| initrd.seek(max_size) |
| initrd.write(b'\0') |
| initrd.flush() |
| |
| self.vm.set_console() |
| kernel_command_line = 'console=ttyS0' |
| self.vm.add_args('-kernel', kernel_path, |
| '-append', kernel_command_line, |
| '-initrd', initrd.name, |
| '-m', '5120') |
| self.vm.launch() |
| console = self.vm.console_socket.makefile() |
| console_logger = logging.getLogger('console') |
| while True: |
| msg = console.readline() |
| console_logger.debug(msg.strip()) |
| if 'Unpacking initramfs...' in msg: |
| break |
| if 'Kernel panic - not syncing' in msg: |
| self.fail("Kernel panic reached") |
| |
| if __name__ == '__main__': |
| QemuSystemTest.main() |
