1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
|
# Test class and utilities for functional tests
#
# Copyright 2018, 2024 Red Hat, Inc.
#
# Original Author (Avocado-based tests):
# Cleber Rosa <crosa@redhat.com>
#
# Adaption for standalone version:
# Thomas Huth <thuth@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
import os
import subprocess
import pycotap
import sys
import unittest
import uuid
from qemu.machine import QEMUMachine
from qemu.utils import kvm_available, tcg_available
from .asset import Asset
from .cmd import run_cmd
from .config import BUILD_DIR
class QemuBaseTest(unittest.TestCase):
qemu_bin = os.getenv('QEMU_TEST_QEMU_BINARY')
arch = None
workdir = None
log = None
logdir = None
def setUp(self, bin_prefix):
self.assertIsNotNone(self.qemu_bin, 'QEMU_TEST_QEMU_BINARY must be set')
self.arch = self.qemu_bin.split('-')[-1]
self.workdir = os.path.join(BUILD_DIR, 'tests/functional', self.arch,
self.id())
os.makedirs(self.workdir, exist_ok=True)
self.logdir = self.workdir
self.log = logging.getLogger('qemu-test')
self.log.setLevel(logging.DEBUG)
self._log_fh = logging.FileHandler(os.path.join(self.logdir,
'base.log'), mode='w')
self._log_fh.setLevel(logging.DEBUG)
fileFormatter = logging.Formatter(
'%(asctime)s - %(levelname)s: %(message)s')
self._log_fh.setFormatter(fileFormatter)
self.log.addHandler(self._log_fh)
def tearDown(self):
self.log.removeHandler(self._log_fh)
def main():
path = os.path.basename(sys.argv[0])[:-3]
cache = os.environ.get("QEMU_TEST_PRECACHE", None)
if cache is not None:
Asset.precache_suites(path, cache)
return
tr = pycotap.TAPTestRunner(message_log = pycotap.LogMode.LogToError,
test_output_log = pycotap.LogMode.LogToError)
unittest.main(module = None, testRunner = tr, argv=["__dummy__", path])
class QemuUserTest(QemuBaseTest):
def setUp(self):
super().setUp('qemu-')
self._ldpath = []
def add_ldpath(self, ldpath):
self._ldpath.append(os.path.abspath(ldpath))
def run_cmd(self, bin_path, args=[]):
return subprocess.run([self.qemu_bin]
+ ["-L %s" % ldpath for ldpath in self._ldpath]
+ [bin_path]
+ args,
text=True, capture_output=True)
class QemuSystemTest(QemuBaseTest):
"""Facilitates system emulation tests."""
cpu = None
machine = None
_machinehelp = None
def setUp(self):
self._vms = {}
super().setUp('qemu-system-')
console_log = logging.getLogger('console')
console_log.setLevel(logging.DEBUG)
self._console_log_fh = logging.FileHandler(os.path.join(self.workdir,
'console.log'), mode='w')
self._console_log_fh.setLevel(logging.DEBUG)
fileFormatter = logging.Formatter('%(asctime)s: %(message)s')
self._console_log_fh.setFormatter(fileFormatter)
console_log.addHandler(self._console_log_fh)
def set_machine(self, machinename):
# TODO: We should use QMP to get the list of available machines
if not self._machinehelp:
self._machinehelp = run_cmd([self.qemu_bin, '-M', 'help'])[0];
if self._machinehelp.find(machinename) < 0:
self.skipTest('no support for machine ' + machinename)
self.machine = machinename
def require_accelerator(self, accelerator):
"""
Requires an accelerator to be available for the test to continue
It takes into account the currently set qemu binary.
If the check fails, the test is canceled. If the check itself
for the given accelerator is not available, the test is also
canceled.
:param accelerator: name of the accelerator, such as "kvm" or "tcg"
:type accelerator: str
"""
checker = {'tcg': tcg_available,
'kvm': kvm_available}.get(accelerator)
if checker is None:
self.skipTest("Don't know how to check for the presence "
"of accelerator %s" % accelerator)
if not checker(qemu_bin=self.qemu_bin):
self.skipTest("%s accelerator does not seem to be "
"available" % accelerator)
def require_netdev(self, netdevname):
netdevhelp = run_cmd([self.qemu_bin,
'-M', 'none', '-netdev', 'help'])[0];
if netdevhelp.find('\n' + netdevname + '\n') < 0:
self.skipTest('no support for " + netdevname + " networking')
def require_device(self, devicename):
devhelp = run_cmd([self.qemu_bin,
'-M', 'none', '-device', 'help'])[0];
if devhelp.find(devicename) < 0:
self.skipTest('no support for device ' + devicename)
def _new_vm(self, name, *args):
vm = QEMUMachine(self.qemu_bin, base_temp_dir=self.workdir)
self.log.debug('QEMUMachine "%s" created', name)
self.log.debug('QEMUMachine "%s" temp_dir: %s', name, vm.temp_dir)
self.log.debug('QEMUMachine "%s" log_dir: %s', name, vm.log_dir)
if args:
vm.add_args(*args)
return vm
@property
def vm(self):
return self.get_vm(name='default')
def get_vm(self, *args, name=None):
if not name:
name = str(uuid.uuid4())
if self._vms.get(name) is None:
self._vms[name] = self._new_vm(name, *args)
if self.cpu is not None:
self._vms[name].add_args('-cpu', self.cpu)
if self.machine is not None:
self._vms[name].set_machine(self.machine)
return self._vms[name]
def set_vm_arg(self, arg, value):
"""
Set an argument to list of extra arguments to be given to the QEMU
binary. If the argument already exists then its value is replaced.
:param arg: the QEMU argument, such as "-cpu" in "-cpu host"
:type arg: str
:param value: the argument value, such as "host" in "-cpu host"
:type value: str
"""
if not arg or not value:
return
if arg not in self.vm.args:
self.vm.args.extend([arg, value])
else:
idx = self.vm.args.index(arg) + 1
if idx < len(self.vm.args):
self.vm.args[idx] = value
else:
self.vm.args.append(value)
def tearDown(self):
for vm in self._vms.values():
vm.shutdown()
logging.getLogger('console').removeHandler(self._console_log_fh)
super().tearDown()
|
