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
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
|
# Copyright (c) 2013-2014 Intel Corporation
#
# Released under the MIT license (see COPYING.MIT)
# DESCRIPTION
# This module is mainly used by scripts/oe-selftest and modules under meta/oeqa/selftest
# It provides a class and methods for running commands on the host in a convienent way for tests.
import os
import sys
import signal
import subprocess
import threading
import logging
from oeqa.utils import CommandError
from oeqa.utils import ftools
import re
import contextlib
# Export test doesn't require bb
try:
import bb
except ImportError:
pass
class Command(object):
def __init__(self, command, bg=False, timeout=None, data=None, **options):
self.defaultopts = {
"stdout": subprocess.PIPE,
"stderr": subprocess.STDOUT,
"stdin": None,
"shell": False,
"bufsize": -1,
}
self.cmd = command
self.bg = bg
self.timeout = timeout
self.data = data
self.options = dict(self.defaultopts)
if isinstance(self.cmd, str):
self.options["shell"] = True
if self.data:
self.options['stdin'] = subprocess.PIPE
self.options.update(options)
self.status = None
self.output = None
self.error = None
self.thread = None
self.log = logging.getLogger("utils.commands")
def run(self):
self.process = subprocess.Popen(self.cmd, **self.options)
def commThread():
self.output, self.error = self.process.communicate(self.data)
self.thread = threading.Thread(target=commThread)
self.thread.start()
self.log.debug("Running command '%s'" % self.cmd)
if not self.bg:
self.thread.join(self.timeout)
self.stop()
def stop(self):
if self.thread.isAlive():
self.process.terminate()
# let's give it more time to terminate gracefully before killing it
self.thread.join(5)
if self.thread.isAlive():
self.process.kill()
self.thread.join()
if not self.output:
self.output = ""
else:
self.output = self.output.decode("utf-8", errors='replace').rstrip()
self.status = self.process.poll()
self.log.debug("Command '%s' returned %d as exit code." % (self.cmd, self.status))
# logging the complete output is insane
# bitbake -e output is really big
# and makes the log file useless
if self.status:
lout = "\n".join(self.output.splitlines()[-20:])
self.log.debug("Last 20 lines:\n%s" % lout)
class Result(object):
pass
def runCmd(command, ignore_status=False, timeout=None, assert_error=True, **options):
result = Result()
cmd = Command(command, timeout=timeout, **options)
cmd.run()
result.command = command
result.status = cmd.status
result.output = cmd.output
result.error = cmd.error
result.pid = cmd.process.pid
if result.status and not ignore_status:
if assert_error:
raise AssertionError("Command '%s' returned non-zero exit status %d:\n%s" % (command, result.status, result.output))
else:
raise CommandError(result.status, command, result.output)
return result
def bitbake(command, ignore_status=False, timeout=None, postconfig=None, **options):
if postconfig:
postconfig_file = os.path.join(os.environ.get('BUILDDIR'), 'oeqa-post.conf')
ftools.write_file(postconfig_file, postconfig)
extra_args = "-R %s" % postconfig_file
else:
extra_args = ""
if isinstance(command, str):
cmd = "bitbake " + extra_args + " " + command
else:
cmd = [ "bitbake" ] + [a for a in (command + extra_args.split(" ")) if a not in [""]]
try:
return runCmd(cmd, ignore_status, timeout, **options)
finally:
if postconfig:
os.remove(postconfig_file)
def get_bb_env(target=None, postconfig=None):
if target:
return bitbake("-e %s" % target, postconfig=postconfig).output
else:
return bitbake("-e", postconfig=postconfig).output
def get_bb_vars(variables=None, target=None, postconfig=None):
"""Get values of multiple bitbake variables"""
bbenv = get_bb_env(target, postconfig=postconfig)
if variables is not None:
variables = variables.copy()
var_re = re.compile(r'^(export )?(?P<var>\w+)="(?P<value>.*)"$')
unset_re = re.compile(r'^unset (?P<var>\w+)$')
lastline = None
values = {}
for line in bbenv.splitlines():
match = var_re.match(line)
val = None
if match:
val = match.group('value')
else:
match = unset_re.match(line)
if match:
# Handle [unexport] variables
if lastline.startswith('# "'):
val = lastline.split('"')[1]
if val:
var = match.group('var')
if variables is None:
values[var] = val
else:
if var in variables:
values[var] = val
variables.remove(var)
# Stop after all required variables have been found
if not variables:
break
lastline = line
if variables:
# Fill in missing values
for var in variables:
values[var] = None
return values
def get_bb_var(var, target=None, postconfig=None):
return get_bb_vars([var], target, postconfig)[var]
def get_test_layer():
layers = get_bb_var("BBLAYERS").split()
testlayer = None
for l in layers:
if '~' in l:
l = os.path.expanduser(l)
if "/meta-selftest" in l and os.path.isdir(l):
testlayer = l
break
return testlayer
def create_temp_layer(templayerdir, templayername, priority=999, recipepathspec='recipes-*/*'):
os.makedirs(os.path.join(templayerdir, 'conf'))
with open(os.path.join(templayerdir, 'conf', 'layer.conf'), 'w') as f:
f.write('BBPATH .= ":${LAYERDIR}"\n')
f.write('BBFILES += "${LAYERDIR}/%s/*.bb \\' % recipepathspec)
f.write(' ${LAYERDIR}/%s/*.bbappend"\n' % recipepathspec)
f.write('BBFILE_COLLECTIONS += "%s"\n' % templayername)
f.write('BBFILE_PATTERN_%s = "^${LAYERDIR}/"\n' % templayername)
f.write('BBFILE_PRIORITY_%s = "%d"\n' % (templayername, priority))
f.write('BBFILE_PATTERN_IGNORE_EMPTY_%s = "1"\n' % templayername)
@contextlib.contextmanager
def runqemu(pn, ssh=True):
import bb.tinfoil
import bb.build
tinfoil = bb.tinfoil.Tinfoil()
tinfoil.prepare(config_only=False, quiet=True)
try:
tinfoil.logger.setLevel(logging.WARNING)
import oeqa.targetcontrol
tinfoil.config_data.setVar("TEST_LOG_DIR", "${WORKDIR}/testimage")
tinfoil.config_data.setVar("TEST_QEMUBOOT_TIMEOUT", "1000")
recipedata = tinfoil.parse_recipe(pn)
# The QemuRunner log is saved out, but we need to ensure it is at the right
# log level (and then ensure that since it's a child of the BitBake logger,
# we disable propagation so we don't then see the log events on the console)
logger = logging.getLogger('BitBake.QemuRunner')
logger.setLevel(logging.DEBUG)
logger.propagate = False
logdir = recipedata.getVar("TEST_LOG_DIR")
qemu = oeqa.targetcontrol.QemuTarget(recipedata)
finally:
# We need to shut down tinfoil early here in case we actually want
# to run tinfoil-using utilities with the running QEMU instance.
# Luckily QemuTarget doesn't need it after the constructor.
tinfoil.shutdown()
# Setup bitbake logger as console handler is removed by tinfoil.shutdown
bblogger = logging.getLogger('BitBake')
bblogger.setLevel(logging.INFO)
console = logging.StreamHandler(sys.stdout)
bbformat = bb.msg.BBLogFormatter("%(levelname)s: %(message)s")
if sys.stdout.isatty():
bbformat.enable_color()
console.setFormatter(bbformat)
bblogger.addHandler(console)
try:
qemu.deploy()
try:
qemu.start(ssh=ssh)
except bb.build.FuncFailed:
raise Exception('Failed to start QEMU - see the logs in %s' % logdir)
yield qemu
finally:
try:
qemu.stop()
except:
pass
def updateEnv(env_file):
"""
Source a file and update environment.
"""
cmd = ". %s; env -0" % env_file
result = runCmd(cmd)
for line in result.output.split("\0"):
(key, _, value) = line.partition("=")
os.environ[key] = value
|
