xref: /openbmc/qemu/tests/functional/test_s390x_pxelinux.py (revision 3adbf0bb8a78f17a1e9390b59e51eb1a47d8ac98) 
1#!/usr/bin/env python3
2#
3# SPDX-License-Identifier: GPL-2.0-or-later
4#
5# Functional test that checks the pxelinux.cfg network booting of a s390x VM
6# (TFTP booting without config file is already tested by the pxe qtest, so
7#  we don't repeat that here).
8
9import os
10import shutil
11
12from qemu_test import QemuSystemTest, Asset, wait_for_console_pattern
13
14
15pxelinux_cfg_contents='''# pxelinux.cfg style config file
16default Debian
17label Nonexisting
18kernel kernel.notavailable
19initrd initrd.notavailable
20label Debian
21kernel kernel.debian
22initrd initrd.debian
23append testoption=teststring
24label Fedora
25kernel kernel.fedora
26'''
27
28class S390PxeLinux(QemuSystemTest):
29
30    ASSET_DEBIAN_KERNEL = Asset(
31        ('https://snapshot.debian.org/archive/debian/'
32         '20201126T092837Z/dists/buster/main/installer-s390x/'
33         '20190702+deb10u6/images/generic/kernel.debian'),
34        'd411d17c39ae7ad38d27534376cbe88b68b403c325739364122c2e6f1537e818')
35
36    ASSET_DEBIAN_INITRD = Asset(
37        ('https://snapshot.debian.org/archive/debian/'
38         '20201126T092837Z/dists/buster/main/installer-s390x/'
39         '20190702+deb10u6/images/generic/initrd.debian'),
40        '836bbd0fe6a5ca81274c28c2b063ea315ce1868660866e9b60180c575fef9fd5')
41
42    ASSET_FEDORA_KERNEL = Asset(
43        ('https://archives.fedoraproject.org/pub/archive'
44         '/fedora-secondary/releases/31/Server/s390x/os'
45         '/images/kernel.img'),
46        '480859574f3f44caa6cd35c62d70e1ac0609134e22ce2a954bbed9b110c06e0b')
47
48    def pxelinux_launch(self, pl_name='default', extra_opts=None):
49        self.require_netdev('user')
50        self.set_machine('s390-ccw-virtio')
51
52        debian_kernel = self.ASSET_DEBIAN_KERNEL.fetch()
53        debian_initrd = self.ASSET_DEBIAN_INITRD.fetch()
54        fedora_kernel = self.ASSET_FEDORA_KERNEL.fetch()
55
56        # Prepare a folder for the TFTP "server":
57        tftpdir = self.scratch_file('tftp')
58        shutil.rmtree(tftpdir, ignore_errors=True)   # Remove stale stuff
59        os.mkdir(tftpdir)
60        shutil.copy(debian_kernel, os.path.join(tftpdir, 'kernel.debian'))
61        shutil.copy(debian_initrd, os.path.join(tftpdir, 'initrd.debian'))
62        shutil.copy(fedora_kernel, os.path.join(tftpdir, 'kernel.fedora'))
63
64        pxelinuxdir = self.scratch_file('tftp', 'pxelinux.cfg')
65        os.mkdir(pxelinuxdir)
66
67        cfg_fname = self.scratch_file('tftp', 'pxelinux.cfg', pl_name)
68        with open(cfg_fname, 'w', encoding='utf-8') as f:
69            f.write(pxelinux_cfg_contents)
70
71        virtio_net_dev = 'virtio-net-ccw,netdev=n1,bootindex=1'
72        if extra_opts:
73                virtio_net_dev += ',' + extra_opts
74
75        self.vm.add_args('-m', '384',
76                         '-netdev', f'user,id=n1,tftp={tftpdir}',
77                         '-device', virtio_net_dev)
78        self.vm.set_console()
79        self.vm.launch()
80
81
82    def test_default(self):
83        self.pxelinux_launch()
84        # The kernel prints its arguments to the console, so we can use
85        # this to check whether the kernel parameters are correctly handled:
86        wait_for_console_pattern(self, 'testoption=teststring')
87        # Now also check that we've successfully loaded the initrd:
88        wait_for_console_pattern(self, 'Unpacking initramfs...')
89        wait_for_console_pattern(self, 'Run /init as init process')
90
91    def test_mac(self):
92        self.pxelinux_launch(pl_name='01-02-ca-fe-ba-be-42',
93                             extra_opts='mac=02:ca:fe:ba:be:42,loadparm=3')
94        wait_for_console_pattern(self, 'Linux version 5.3.7-301.fc31.s390x')
95
96    def test_uuid(self):
97        # Also add a non-bootable disk to check the fallback to network boot:
98        self.vm.add_args('-blockdev', 'null-co,size=65536,node-name=d1',
99                         '-device', 'virtio-blk,drive=d1,bootindex=0,loadparm=1',
100                         '-uuid', '550e8400-e29b-11d4-a716-446655441234')
101        self.pxelinux_launch(pl_name='550e8400-e29b-11d4-a716-446655441234')
102        wait_for_console_pattern(self, 'Debian 4.19.146-1 (2020-09-17)')
103
104    def test_ip(self):
105        self.vm.add_args('-M', 'loadparm=3')
106        self.pxelinux_launch(pl_name='0A00020F')
107        wait_for_console_pattern(self, 'Linux version 5.3.7-301.fc31.s390x')
108
109    def test_menu(self):
110        self.vm.add_args('-boot', 'menu=on,splash-time=10')
111        self.pxelinux_launch(pl_name='0A00')
112        wait_for_console_pattern(self, '[1] Nonexisting')
113        wait_for_console_pattern(self, '[2] Debian')
114        wait_for_console_pattern(self, '[3] Fedora')
115        wait_for_console_pattern(self, 'Debian 4.19.146-1 (2020-09-17)')
116
117
118if __name__ == '__main__':
119    QemuSystemTest.main()
120