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f345cfd0 SH |
1 | # Common utilities and Python wrappers for qemu-iotests |
2 | # | |
3 | # Copyright (C) 2012 IBM Corp. | |
4 | # | |
5 | # This program is free software; you can redistribute it and/or modify | |
6 | # it under the terms of the GNU General Public License as published by | |
7 | # the Free Software Foundation; either version 2 of the License, or | |
8 | # (at your option) any later version. | |
9 | # | |
10 | # This program is distributed in the hope that it will be useful, | |
11 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | # GNU General Public License for more details. | |
14 | # | |
15 | # You should have received a copy of the GNU General Public License | |
16 | # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
17 | # | |
18 | ||
b404b13b | 19 | import atexit |
55b11630 | 20 | import bz2 |
b404b13b JS |
21 | from collections import OrderedDict |
22 | import faulthandler | |
b404b13b JS |
23 | import json |
24 | import logging | |
f345cfd0 SH |
25 | import os |
26 | import re | |
55b11630 | 27 | import shutil |
b404b13b JS |
28 | import signal |
29 | import struct | |
f345cfd0 | 30 | import subprocess |
ed338bb0 | 31 | import sys |
b7719bca | 32 | import time |
7d814059 | 33 | from typing import (Any, Callable, Dict, Iterable, |
f29f4c25 | 34 | List, Optional, Sequence, TextIO, Tuple, Type, TypeVar) |
b404b13b | 35 | import unittest |
f345cfd0 | 36 | |
b7719bca NS |
37 | from contextlib import contextmanager |
38 | ||
368e0620 | 39 | # pylint: disable=import-error, wrong-import-position |
8f8fd9ed | 40 | sys.path.append(os.path.join(os.path.dirname(__file__), '..', '..', 'python')) |
beb6b57b | 41 | from qemu.machine import qtest |
2012453d | 42 | from qemu.qmp import QMPMessage |
02f3a911 | 43 | |
52ea799e JS |
44 | # Use this logger for logging messages directly from the iotests module |
45 | logger = logging.getLogger('qemu.iotests') | |
46 | logger.addHandler(logging.NullHandler()) | |
47 | ||
48 | # Use this logger for messages that ought to be used for diff output. | |
49 | test_logger = logging.getLogger('qemu.iotests.diff_io') | |
50 | ||
51 | ||
aa1cbeb8 KW |
52 | faulthandler.enable() |
53 | ||
934659c4 | 54 | # This will not work if arguments contain spaces but is necessary if we |
f345cfd0 | 55 | # want to support the override options that ./check supports. |
934659c4 HR |
56 | qemu_img_args = [os.environ.get('QEMU_IMG_PROG', 'qemu-img')] |
57 | if os.environ.get('QEMU_IMG_OPTIONS'): | |
58 | qemu_img_args += os.environ['QEMU_IMG_OPTIONS'].strip().split(' ') | |
59 | ||
60 | qemu_io_args = [os.environ.get('QEMU_IO_PROG', 'qemu-io')] | |
61 | if os.environ.get('QEMU_IO_OPTIONS'): | |
62 | qemu_io_args += os.environ['QEMU_IO_OPTIONS'].strip().split(' ') | |
63 | ||
a4d925f8 AS |
64 | qemu_io_args_no_fmt = [os.environ.get('QEMU_IO_PROG', 'qemu-io')] |
65 | if os.environ.get('QEMU_IO_OPTIONS_NO_FMT'): | |
66 | qemu_io_args_no_fmt += \ | |
67 | os.environ['QEMU_IO_OPTIONS_NO_FMT'].strip().split(' ') | |
68 | ||
81b6b2bc KW |
69 | qemu_nbd_prog = os.environ.get('QEMU_NBD_PROG', 'qemu-nbd') |
70 | qemu_nbd_args = [qemu_nbd_prog] | |
bec87774 HR |
71 | if os.environ.get('QEMU_NBD_OPTIONS'): |
72 | qemu_nbd_args += os.environ['QEMU_NBD_OPTIONS'].strip().split(' ') | |
73 | ||
4c44b4a4 | 74 | qemu_prog = os.environ.get('QEMU_PROG', 'qemu') |
66613974 | 75 | qemu_opts = os.environ.get('QEMU_OPTIONS', '').strip().split(' ') |
f345cfd0 SH |
76 | |
77 | imgfmt = os.environ.get('IMGFMT', 'raw') | |
78 | imgproto = os.environ.get('IMGPROTO', 'file') | |
e8f8624d | 79 | output_dir = os.environ.get('OUTPUT_DIR', '.') |
3e0105e0 HR |
80 | |
81 | try: | |
82 | test_dir = os.environ['TEST_DIR'] | |
83 | sock_dir = os.environ['SOCK_DIR'] | |
84 | cachemode = os.environ['CACHEMODE'] | |
85 | aiomode = os.environ['AIOMODE'] | |
86 | qemu_default_machine = os.environ['QEMU_DEFAULT_MACHINE'] | |
87 | except KeyError: | |
88 | # We are using these variables as proxies to indicate that we're | |
89 | # not being run via "check". There may be other things set up by | |
90 | # "check" that individual test cases rely on. | |
91 | sys.stderr.write('Please run this test via the "check" script\n') | |
92 | sys.exit(os.EX_USAGE) | |
f345cfd0 | 93 | |
30b005d9 WX |
94 | socket_scm_helper = os.environ.get('SOCKET_SCM_HELPER', 'socket_scm_helper') |
95 | ||
85a353a0 | 96 | luks_default_secret_object = 'secret,id=keysec0,data=' + \ |
58ebcb65 | 97 | os.environ.get('IMGKEYSECRET', '') |
85a353a0 VSO |
98 | luks_default_key_secret_opt = 'key-secret=keysec0' |
99 | ||
55b11630 VSO |
100 | sample_img_dir = os.environ['SAMPLE_IMG_DIR'] |
101 | ||
102 | ||
103 | def unarchive_sample_image(sample, fname): | |
104 | sample_fname = os.path.join(sample_img_dir, sample + '.bz2') | |
105 | with bz2.open(sample_fname) as f_in, open(fname, 'wb') as f_out: | |
106 | shutil.copyfileobj(f_in, f_out) | |
107 | ||
85a353a0 | 108 | |
91efbae9 KW |
109 | def qemu_tool_pipe_and_status(tool: str, args: Sequence[str], |
110 | connect_stderr: bool = True) -> Tuple[str, int]: | |
d849acab | 111 | """ |
91efbae9 | 112 | Run a tool and return both its output and its exit code |
d849acab | 113 | """ |
91efbae9 | 114 | stderr = subprocess.STDOUT if connect_stderr else None |
ac4e14f5 EGE |
115 | with subprocess.Popen(args, stdout=subprocess.PIPE, |
116 | stderr=stderr, universal_newlines=True) as subp: | |
117 | output = subp.communicate()[0] | |
118 | if subp.returncode < 0: | |
119 | cmd = ' '.join(args) | |
120 | sys.stderr.write(f'{tool} received signal \ | |
121 | {-subp.returncode}: {cmd}\n') | |
122 | return (output, subp.returncode) | |
d849acab | 123 | |
91efbae9 KW |
124 | def qemu_img_pipe_and_status(*args: str) -> Tuple[str, int]: |
125 | """ | |
126 | Run qemu-img and return both its output and its exit code | |
127 | """ | |
128 | full_args = qemu_img_args + list(args) | |
129 | return qemu_tool_pipe_and_status('qemu-img', full_args) | |
130 | ||
d849acab HR |
131 | def qemu_img(*args: str) -> int: |
132 | '''Run qemu-img and return the exit code''' | |
133 | return qemu_img_pipe_and_status(*args)[1] | |
f345cfd0 | 134 | |
8a57a4be | 135 | def ordered_qmp(qmsg, conv_keys=True): |
039be85c JS |
136 | # Dictionaries are not ordered prior to 3.6, therefore: |
137 | if isinstance(qmsg, list): | |
138 | return [ordered_qmp(atom) for atom in qmsg] | |
139 | if isinstance(qmsg, dict): | |
140 | od = OrderedDict() | |
141 | for k, v in sorted(qmsg.items()): | |
8a57a4be HR |
142 | if conv_keys: |
143 | k = k.replace('_', '-') | |
144 | od[k] = ordered_qmp(v, conv_keys=False) | |
039be85c JS |
145 | return od |
146 | return qmsg | |
0706e87d | 147 | |
85a353a0 VSO |
148 | def qemu_img_create(*args): |
149 | args = list(args) | |
150 | ||
151 | # default luks support | |
152 | if '-f' in args and args[args.index('-f') + 1] == 'luks': | |
153 | if '-o' in args: | |
154 | i = args.index('-o') | |
155 | if 'key-secret' not in args[i + 1]: | |
156 | args[i + 1].append(luks_default_key_secret_opt) | |
157 | args.insert(i + 2, '--object') | |
158 | args.insert(i + 3, luks_default_secret_object) | |
159 | else: | |
160 | args = ['-o', luks_default_key_secret_opt, | |
161 | '--object', luks_default_secret_object] + args | |
162 | ||
163 | args.insert(0, 'create') | |
164 | ||
165 | return qemu_img(*args) | |
166 | ||
4b914b01 NS |
167 | def qemu_img_measure(*args): |
168 | return json.loads(qemu_img_pipe("measure", "--output", "json", *args)) | |
169 | ||
170 | def qemu_img_check(*args): | |
171 | return json.loads(qemu_img_pipe("check", "--output", "json", *args)) | |
172 | ||
d2ef210c | 173 | def qemu_img_verbose(*args): |
993d46ce | 174 | '''Run qemu-img without suppressing its output and return the exit code''' |
2ef6093c HR |
175 | exitcode = subprocess.call(qemu_img_args + list(args)) |
176 | if exitcode < 0: | |
b031e9a5 JS |
177 | sys.stderr.write('qemu-img received signal %i: %s\n' |
178 | % (-exitcode, ' '.join(qemu_img_args + list(args)))) | |
2ef6093c | 179 | return exitcode |
d2ef210c | 180 | |
d849acab | 181 | def qemu_img_pipe(*args: str) -> str: |
3677e6f6 | 182 | '''Run qemu-img and return its output''' |
d849acab | 183 | return qemu_img_pipe_and_status(*args)[0] |
3677e6f6 | 184 | |
ac6fb43e KW |
185 | def qemu_img_log(*args): |
186 | result = qemu_img_pipe(*args) | |
187 | log(result, filters=[filter_testfiles]) | |
188 | return result | |
189 | ||
4eabe051 | 190 | def img_info_log(filename, filter_path=None, imgopts=False, extra_args=()): |
6a96d87c | 191 | args = ['info'] |
5ba141dc KW |
192 | if imgopts: |
193 | args.append('--image-opts') | |
194 | else: | |
6a96d87c | 195 | args += ['-f', imgfmt] |
5ba141dc KW |
196 | args += extra_args |
197 | args.append(filename) | |
198 | ||
199 | output = qemu_img_pipe(*args) | |
6b605ade KW |
200 | if not filter_path: |
201 | filter_path = filename | |
202 | log(filter_img_info(output, filter_path)) | |
203 | ||
f345cfd0 SH |
204 | def qemu_io(*args): |
205 | '''Run qemu-io and return the stdout data''' | |
206 | args = qemu_io_args + list(args) | |
f874e7fa | 207 | return qemu_tool_pipe_and_status('qemu-io', args)[0] |
f345cfd0 | 208 | |
a96f0350 KW |
209 | def qemu_io_log(*args): |
210 | result = qemu_io(*args) | |
211 | log(result, filters=[filter_testfiles, filter_qemu_io]) | |
212 | return result | |
213 | ||
745f2bf4 HR |
214 | def qemu_io_silent(*args): |
215 | '''Run qemu-io and return the exit code, suppressing stdout''' | |
5b66a8fc VSO |
216 | if '-f' in args or '--image-opts' in args: |
217 | default_args = qemu_io_args_no_fmt | |
218 | else: | |
219 | default_args = qemu_io_args | |
220 | ||
221 | args = default_args + list(args) | |
745f2bf4 HR |
222 | exitcode = subprocess.call(args, stdout=open('/dev/null', 'w')) |
223 | if exitcode < 0: | |
224 | sys.stderr.write('qemu-io received signal %i: %s\n' % | |
225 | (-exitcode, ' '.join(args))) | |
226 | return exitcode | |
227 | ||
23ee0ec2 VSO |
228 | def qemu_io_silent_check(*args): |
229 | '''Run qemu-io and return the true if subprocess returned 0''' | |
230 | args = qemu_io_args + list(args) | |
231 | exitcode = subprocess.call(args, stdout=open('/dev/null', 'w'), | |
232 | stderr=subprocess.STDOUT) | |
233 | return exitcode == 0 | |
234 | ||
9fa90eec VSO |
235 | class QemuIoInteractive: |
236 | def __init__(self, *args): | |
a1a7f56c | 237 | self.args = qemu_io_args_no_fmt + list(args) |
ac4e14f5 EGE |
238 | # We need to keep the Popen objext around, and not |
239 | # close it immediately. Therefore, disable the pylint check: | |
240 | # pylint: disable=consider-using-with | |
9fa90eec VSO |
241 | self._p = subprocess.Popen(self.args, stdin=subprocess.PIPE, |
242 | stdout=subprocess.PIPE, | |
8eb5e674 HR |
243 | stderr=subprocess.STDOUT, |
244 | universal_newlines=True) | |
1f4b774a VSO |
245 | out = self._p.stdout.read(9) |
246 | if out != 'qemu-io> ': | |
247 | # Most probably qemu-io just failed to start. | |
248 | # Let's collect the whole output and exit. | |
249 | out += self._p.stdout.read() | |
250 | self._p.wait(timeout=1) | |
251 | raise ValueError(out) | |
9fa90eec VSO |
252 | |
253 | def close(self): | |
254 | self._p.communicate('q\n') | |
255 | ||
256 | def _read_output(self): | |
257 | pattern = 'qemu-io> ' | |
258 | n = len(pattern) | |
259 | pos = 0 | |
260 | s = [] | |
261 | while pos != n: | |
262 | c = self._p.stdout.read(1) | |
263 | # check unexpected EOF | |
264 | assert c != '' | |
265 | s.append(c) | |
266 | if c == pattern[pos]: | |
267 | pos += 1 | |
268 | else: | |
269 | pos = 0 | |
270 | ||
271 | return ''.join(s[:-n]) | |
272 | ||
273 | def cmd(self, cmd): | |
274 | # quit command is in close(), '\n' is added automatically | |
275 | assert '\n' not in cmd | |
276 | cmd = cmd.strip() | |
6a96d87c | 277 | assert cmd not in ('q', 'quit') |
9fa90eec | 278 | self._p.stdin.write(cmd + '\n') |
f544adf7 | 279 | self._p.stdin.flush() |
9fa90eec VSO |
280 | return self._read_output() |
281 | ||
282 | ||
bec87774 HR |
283 | def qemu_nbd(*args): |
284 | '''Run qemu-nbd in daemon mode and return the parent's exit code''' | |
285 | return subprocess.call(qemu_nbd_args + ['--fork'] + list(args)) | |
286 | ||
91efbae9 | 287 | def qemu_nbd_early_pipe(*args: str) -> Tuple[int, str]: |
e1e6eccd | 288 | '''Run qemu-nbd in daemon mode and return both the parent's exit code |
6177b584 | 289 | and its output in case of an error''' |
91efbae9 KW |
290 | full_args = qemu_nbd_args + ['--fork'] + list(args) |
291 | output, returncode = qemu_tool_pipe_and_status('qemu-nbd', full_args, | |
292 | connect_stderr=False) | |
293 | return returncode, output if returncode else '' | |
e1e6eccd | 294 | |
81b6b2bc KW |
295 | def qemu_nbd_list_log(*args: str) -> str: |
296 | '''Run qemu-nbd to list remote exports''' | |
297 | full_args = [qemu_nbd_prog, '-L'] + list(args) | |
298 | output, _ = qemu_tool_pipe_and_status('qemu-nbd', full_args) | |
299 | log(output, filters=[filter_testfiles, filter_nbd_exports]) | |
300 | return output | |
301 | ||
b7719bca | 302 | @contextmanager |
23ee0ec2 | 303 | def qemu_nbd_popen(*args): |
b7719bca | 304 | '''Context manager running qemu-nbd within the context''' |
3f7db418 VSO |
305 | pid_file = file_path("qemu_nbd_popen-nbd-pid-file") |
306 | ||
307 | assert not os.path.exists(pid_file) | |
b7719bca NS |
308 | |
309 | cmd = list(qemu_nbd_args) | |
310 | cmd.extend(('--persistent', '--pid-file', pid_file)) | |
311 | cmd.extend(args) | |
312 | ||
313 | log('Start NBD server') | |
ac4e14f5 EGE |
314 | with subprocess.Popen(cmd) as p: |
315 | try: | |
316 | while not os.path.exists(pid_file): | |
317 | if p.poll() is not None: | |
318 | raise RuntimeError( | |
319 | "qemu-nbd terminated with exit code {}: {}" | |
320 | .format(p.returncode, ' '.join(cmd))) | |
321 | ||
322 | time.sleep(0.01) | |
323 | yield | |
324 | finally: | |
325 | if os.path.exists(pid_file): | |
326 | os.remove(pid_file) | |
327 | log('Kill NBD server') | |
328 | p.kill() | |
329 | p.wait() | |
23ee0ec2 | 330 | |
e1b5c51f | 331 | def compare_images(img1, img2, fmt1=imgfmt, fmt2=imgfmt): |
3a3918c3 | 332 | '''Return True if two image files are identical''' |
e1b5c51f PB |
333 | return qemu_img('compare', '-f', fmt1, |
334 | '-F', fmt2, img1, img2) == 0 | |
3a3918c3 | 335 | |
2499a096 SH |
336 | def create_image(name, size): |
337 | '''Create a fully-allocated raw image with sector markers''' | |
ac4e14f5 EGE |
338 | with open(name, 'wb') as file: |
339 | i = 0 | |
340 | while i < size: | |
341 | sector = struct.pack('>l504xl', i // 512, i // 512) | |
342 | file.write(sector) | |
343 | i = i + 512 | |
2499a096 | 344 | |
74f69050 FZ |
345 | def image_size(img): |
346 | '''Return image's virtual size''' | |
347 | r = qemu_img_pipe('info', '--output=json', '-f', imgfmt, img) | |
348 | return json.loads(r)['virtual-size'] | |
349 | ||
011a5761 | 350 | def is_str(val): |
7e693a05 | 351 | return isinstance(val, str) |
011a5761 | 352 | |
a2d1c8fd DB |
353 | test_dir_re = re.compile(r"%s" % test_dir) |
354 | def filter_test_dir(msg): | |
355 | return test_dir_re.sub("TEST_DIR", msg) | |
356 | ||
357 | win32_re = re.compile(r"\r") | |
358 | def filter_win32(msg): | |
359 | return win32_re.sub("", msg) | |
360 | ||
b031e9a5 JS |
361 | qemu_io_re = re.compile(r"[0-9]* ops; [0-9\/:. sec]* " |
362 | r"\([0-9\/.inf]* [EPTGMKiBbytes]*\/sec " | |
363 | r"and [0-9\/.inf]* ops\/sec\)") | |
a2d1c8fd DB |
364 | def filter_qemu_io(msg): |
365 | msg = filter_win32(msg) | |
b031e9a5 JS |
366 | return qemu_io_re.sub("X ops; XX:XX:XX.X " |
367 | "(XXX YYY/sec and XXX ops/sec)", msg) | |
a2d1c8fd DB |
368 | |
369 | chown_re = re.compile(r"chown [0-9]+:[0-9]+") | |
370 | def filter_chown(msg): | |
371 | return chown_re.sub("chown UID:GID", msg) | |
372 | ||
12314f2d SH |
373 | def filter_qmp_event(event): |
374 | '''Filter a QMP event dict''' | |
375 | event = dict(event) | |
376 | if 'timestamp' in event: | |
377 | event['timestamp']['seconds'] = 'SECS' | |
378 | event['timestamp']['microseconds'] = 'USECS' | |
379 | return event | |
380 | ||
08fcd611 JS |
381 | def filter_qmp(qmsg, filter_fn): |
382 | '''Given a string filter, filter a QMP object's values. | |
383 | filter_fn takes a (key, value) pair.''' | |
384 | # Iterate through either lists or dicts; | |
385 | if isinstance(qmsg, list): | |
386 | items = enumerate(qmsg) | |
387 | else: | |
388 | items = qmsg.items() | |
389 | ||
390 | for k, v in items: | |
6a96d87c | 391 | if isinstance(v, (dict, list)): |
08fcd611 JS |
392 | qmsg[k] = filter_qmp(v, filter_fn) |
393 | else: | |
394 | qmsg[k] = filter_fn(k, v) | |
395 | return qmsg | |
396 | ||
e234398a | 397 | def filter_testfiles(msg): |
df0e032b VSO |
398 | pref1 = os.path.join(test_dir, "%s-" % (os.getpid())) |
399 | pref2 = os.path.join(sock_dir, "%s-" % (os.getpid())) | |
400 | return msg.replace(pref1, 'TEST_DIR/PID-').replace(pref2, 'SOCK_DIR/PID-') | |
e234398a | 401 | |
08fcd611 | 402 | def filter_qmp_testfiles(qmsg): |
6a96d87c | 403 | def _filter(_key, value): |
56a6e5d0 | 404 | if is_str(value): |
08fcd611 JS |
405 | return filter_testfiles(value) |
406 | return value | |
407 | return filter_qmp(qmsg, _filter) | |
408 | ||
2daba442 ML |
409 | def filter_virtio_scsi(output: str) -> str: |
410 | return re.sub(r'(virtio-scsi)-(ccw|pci)', r'\1', output) | |
411 | ||
412 | def filter_qmp_virtio_scsi(qmsg): | |
413 | def _filter(_key, value): | |
414 | if is_str(value): | |
415 | return filter_virtio_scsi(value) | |
416 | return value | |
417 | return filter_qmp(qmsg, _filter) | |
418 | ||
fa1151f8 JS |
419 | def filter_generated_node_ids(msg): |
420 | return re.sub("#block[0-9]+", "NODE_NAME", msg) | |
421 | ||
6b605ade KW |
422 | def filter_img_info(output, filename): |
423 | lines = [] | |
424 | for line in output.split('\n'): | |
425 | if 'disk size' in line or 'actual-size' in line: | |
426 | continue | |
fd586ce8 KW |
427 | line = line.replace(filename, 'TEST_IMG') |
428 | line = filter_testfiles(line) | |
429 | line = line.replace(imgfmt, 'IMGFMT') | |
6b605ade | 430 | line = re.sub('iters: [0-9]+', 'iters: XXX', line) |
b031e9a5 JS |
431 | line = re.sub('uuid: [-a-f0-9]+', |
432 | 'uuid: XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX', | |
433 | line) | |
bab4feb2 | 434 | line = re.sub('cid: [0-9]+', 'cid: XXXXXXXXXX', line) |
6b605ade KW |
435 | lines.append(line) |
436 | return '\n'.join(lines) | |
437 | ||
f2ea0b20 HR |
438 | def filter_imgfmt(msg): |
439 | return msg.replace(imgfmt, 'IMGFMT') | |
440 | ||
441 | def filter_qmp_imgfmt(qmsg): | |
6a96d87c | 442 | def _filter(_key, value): |
f2ea0b20 HR |
443 | if is_str(value): |
444 | return filter_imgfmt(value) | |
445 | return value | |
446 | return filter_qmp(qmsg, _filter) | |
447 | ||
81b6b2bc KW |
448 | def filter_nbd_exports(output: str) -> str: |
449 | return re.sub(r'((min|opt|max) block): [0-9]+', r'\1: XXX', output) | |
450 | ||
1cd0dbfc JS |
451 | |
452 | Msg = TypeVar('Msg', Dict[str, Any], List[Any], str) | |
453 | ||
454 | def log(msg: Msg, | |
455 | filters: Iterable[Callable[[Msg], Msg]] = (), | |
456 | indent: Optional[int] = None) -> None: | |
457 | """ | |
458 | Logs either a string message or a JSON serializable message (like QMP). | |
459 | If indent is provided, JSON serializable messages are pretty-printed. | |
460 | """ | |
a2d1c8fd DB |
461 | for flt in filters: |
462 | msg = flt(msg) | |
6a96d87c | 463 | if isinstance(msg, (dict, list)): |
0706e87d JS |
464 | # Don't sort if it's already sorted |
465 | do_sort = not isinstance(msg, OrderedDict) | |
52ea799e | 466 | test_logger.info(json.dumps(msg, sort_keys=do_sort, indent=indent)) |
e21b5f34 | 467 | else: |
52ea799e | 468 | test_logger.info(msg) |
a2d1c8fd | 469 | |
2c93c5cb | 470 | class Timeout: |
6a96d87c | 471 | def __init__(self, seconds, errmsg="Timeout"): |
2c93c5cb KW |
472 | self.seconds = seconds |
473 | self.errmsg = errmsg | |
474 | def __enter__(self): | |
475 | signal.signal(signal.SIGALRM, self.timeout) | |
476 | signal.setitimer(signal.ITIMER_REAL, self.seconds) | |
477 | return self | |
6a96d87c | 478 | def __exit__(self, exc_type, value, traceback): |
2c93c5cb KW |
479 | signal.setitimer(signal.ITIMER_REAL, 0) |
480 | return False | |
481 | def timeout(self, signum, frame): | |
482 | raise Exception(self.errmsg) | |
483 | ||
de263986 JS |
484 | def file_pattern(name): |
485 | return "{0}-{1}".format(os.getpid(), name) | |
f4844ac0 | 486 | |
3192fad7 | 487 | class FilePath: |
de263986 | 488 | """ |
f765af87 NS |
489 | Context manager generating multiple file names. The generated files are |
490 | removed when exiting the context. | |
f4844ac0 | 491 | |
f765af87 NS |
492 | Example usage: |
493 | ||
3192fad7 | 494 | with FilePath('a.img', 'b.img') as (img_a, img_b): |
f765af87 NS |
495 | # Use img_a and img_b here... |
496 | ||
497 | # a.img and b.img are automatically removed here. | |
498 | ||
499 | By default images are created in iotests.test_dir. To create sockets use | |
500 | iotests.sock_dir: | |
501 | ||
3192fad7 NS |
502 | with FilePath('a.sock', base_dir=iotests.sock_dir) as sock: |
503 | ||
504 | For convenience, calling with one argument yields a single file instead of | |
505 | a tuple with one item. | |
f4844ac0 | 506 | |
de263986 | 507 | """ |
a242b19e | 508 | def __init__(self, *names, base_dir=test_dir): |
7cc002a0 NS |
509 | self.paths = [os.path.join(base_dir, file_pattern(name)) |
510 | for name in names] | |
f4844ac0 SH |
511 | |
512 | def __enter__(self): | |
3192fad7 NS |
513 | if len(self.paths) == 1: |
514 | return self.paths[0] | |
515 | else: | |
516 | return self.paths | |
f4844ac0 SH |
517 | |
518 | def __exit__(self, exc_type, exc_val, exc_tb): | |
a7971702 NS |
519 | for path in self.paths: |
520 | try: | |
de263986 | 521 | os.remove(path) |
a7971702 NS |
522 | except OSError: |
523 | pass | |
f4844ac0 SH |
524 | return False |
525 | ||
526 | ||
c5ff5a3c HR |
527 | def try_remove(img): |
528 | try: | |
529 | os.remove(img) | |
530 | except OSError: | |
531 | pass | |
532 | ||
ef6e9228 VSO |
533 | def file_path_remover(): |
534 | for path in reversed(file_path_remover.paths): | |
c5ff5a3c | 535 | try_remove(path) |
ef6e9228 VSO |
536 | |
537 | ||
93b78ea5 | 538 | def file_path(*names, base_dir=test_dir): |
ef6e9228 VSO |
539 | ''' Another way to get auto-generated filename that cleans itself up. |
540 | ||
541 | Use is as simple as: | |
542 | ||
543 | img_a, img_b = file_path('a.img', 'b.img') | |
544 | sock = file_path('socket') | |
545 | ''' | |
546 | ||
547 | if not hasattr(file_path_remover, 'paths'): | |
548 | file_path_remover.paths = [] | |
549 | atexit.register(file_path_remover) | |
550 | ||
551 | paths = [] | |
552 | for name in names: | |
de263986 | 553 | filename = file_pattern(name) |
93b78ea5 | 554 | path = os.path.join(base_dir, filename) |
ef6e9228 VSO |
555 | file_path_remover.paths.append(path) |
556 | paths.append(path) | |
557 | ||
558 | return paths[0] if len(paths) == 1 else paths | |
559 | ||
5a259e86 KW |
560 | def remote_filename(path): |
561 | if imgproto == 'file': | |
562 | return path | |
563 | elif imgproto == 'ssh': | |
b8c1f901 | 564 | return "ssh://%s@127.0.0.1:22%s" % (os.environ.get('USER'), path) |
5a259e86 KW |
565 | else: |
566 | raise Exception("Protocol %s not supported" % (imgproto)) | |
ef6e9228 | 567 | |
4c44b4a4 | 568 | class VM(qtest.QEMUQtestMachine): |
f345cfd0 SH |
569 | '''A QEMU VM''' |
570 | ||
5fcbdf50 HR |
571 | def __init__(self, path_suffix=''): |
572 | name = "qemu%s-%d" % (path_suffix, os.getpid()) | |
e2f948a8 | 573 | timer = 15.0 |
757ae0ec | 574 | super().__init__(qemu_prog, qemu_opts, name=name, |
2ca6e26c | 575 | base_temp_dir=test_dir, |
757ae0ec | 576 | socket_scm_helper=socket_scm_helper, |
e2f948a8 | 577 | sock_dir=sock_dir, qmp_timer=timer) |
f345cfd0 | 578 | self._num_drives = 0 |
30b005d9 | 579 | |
ccc15f7d SH |
580 | def add_object(self, opts): |
581 | self._args.append('-object') | |
582 | self._args.append(opts) | |
583 | return self | |
584 | ||
486b88bd KW |
585 | def add_device(self, opts): |
586 | self._args.append('-device') | |
587 | self._args.append(opts) | |
588 | return self | |
589 | ||
78b666f4 FZ |
590 | def add_drive_raw(self, opts): |
591 | self._args.append('-drive') | |
592 | self._args.append(opts) | |
593 | return self | |
594 | ||
1d3d4b63 | 595 | def add_drive(self, path, opts='', interface='virtio', img_format=imgfmt): |
f345cfd0 | 596 | '''Add a virtio-blk drive to the VM''' |
8e492253 | 597 | options = ['if=%s' % interface, |
f345cfd0 | 598 | 'id=drive%d' % self._num_drives] |
8e492253 HR |
599 | |
600 | if path is not None: | |
601 | options.append('file=%s' % path) | |
1d3d4b63 | 602 | options.append('format=%s' % img_format) |
fc17c259 | 603 | options.append('cache=%s' % cachemode) |
7156ca48 | 604 | options.append('aio=%s' % aiomode) |
8e492253 | 605 | |
f345cfd0 SH |
606 | if opts: |
607 | options.append(opts) | |
608 | ||
1d3d4b63 | 609 | if img_format == 'luks' and 'key-secret' not in opts: |
85a353a0 VSO |
610 | # default luks support |
611 | if luks_default_secret_object not in self._args: | |
612 | self.add_object(luks_default_secret_object) | |
613 | ||
614 | options.append(luks_default_key_secret_opt) | |
615 | ||
f345cfd0 SH |
616 | self._args.append('-drive') |
617 | self._args.append(','.join(options)) | |
618 | self._num_drives += 1 | |
619 | return self | |
620 | ||
5694923a HR |
621 | def add_blockdev(self, opts): |
622 | self._args.append('-blockdev') | |
623 | if isinstance(opts, str): | |
624 | self._args.append(opts) | |
625 | else: | |
626 | self._args.append(','.join(opts)) | |
627 | return self | |
628 | ||
12314f2d SH |
629 | def add_incoming(self, addr): |
630 | self._args.append('-incoming') | |
631 | self._args.append(addr) | |
632 | return self | |
633 | ||
2012453d | 634 | def hmp(self, command_line: str, use_log: bool = False) -> QMPMessage: |
239bbcc0 | 635 | cmd = 'human-monitor-command' |
090744d5 | 636 | kwargs: Dict[str, Any] = {'command-line': command_line} |
239bbcc0 JS |
637 | if use_log: |
638 | return self.qmp_log(cmd, **kwargs) | |
639 | else: | |
640 | return self.qmp(cmd, **kwargs) | |
641 | ||
642 | def pause_drive(self, drive: str, event: Optional[str] = None) -> None: | |
643 | """Pause drive r/w operations""" | |
3cf53c77 FZ |
644 | if not event: |
645 | self.pause_drive(drive, "read_aio") | |
646 | self.pause_drive(drive, "write_aio") | |
647 | return | |
239bbcc0 JS |
648 | self.hmp(f'qemu-io {drive} "break {event} bp_{drive}"') |
649 | ||
650 | def resume_drive(self, drive: str) -> None: | |
651 | """Resume drive r/w operations""" | |
652 | self.hmp(f'qemu-io {drive} "remove_break bp_{drive}"') | |
653 | ||
654 | def hmp_qemu_io(self, drive: str, cmd: str, | |
2012453d | 655 | use_log: bool = False) -> QMPMessage: |
239bbcc0 JS |
656 | """Write to a given drive using an HMP command""" |
657 | return self.hmp(f'qemu-io {drive} "{cmd}"', use_log=use_log) | |
e3409362 | 658 | |
62a94288 KW |
659 | def flatten_qmp_object(self, obj, output=None, basestr=''): |
660 | if output is None: | |
661 | output = dict() | |
662 | if isinstance(obj, list): | |
6a96d87c JS |
663 | for i, item in enumerate(obj): |
664 | self.flatten_qmp_object(item, output, basestr + str(i) + '.') | |
62a94288 KW |
665 | elif isinstance(obj, dict): |
666 | for key in obj: | |
667 | self.flatten_qmp_object(obj[key], output, basestr + key + '.') | |
668 | else: | |
669 | output[basestr[:-1]] = obj # Strip trailing '.' | |
670 | return output | |
671 | ||
672 | def qmp_to_opts(self, obj): | |
673 | obj = self.flatten_qmp_object(obj) | |
674 | output_list = list() | |
675 | for key in obj: | |
676 | output_list += [key + '=' + obj[key]] | |
677 | return ','.join(output_list) | |
678 | ||
8b6f5f8b | 679 | def get_qmp_events_filtered(self, wait=60.0): |
5ad1dbf7 KW |
680 | result = [] |
681 | for ev in self.get_qmp_events(wait=wait): | |
682 | result.append(filter_qmp_event(ev)) | |
683 | return result | |
62a94288 | 684 | |
4eabe051 | 685 | def qmp_log(self, cmd, filters=(), indent=None, **kwargs): |
0706e87d JS |
686 | full_cmd = OrderedDict(( |
687 | ("execute", cmd), | |
039be85c | 688 | ("arguments", ordered_qmp(kwargs)) |
0706e87d | 689 | )) |
55cd64ea | 690 | log(full_cmd, filters, indent=indent) |
e234398a | 691 | result = self.qmp(cmd, **kwargs) |
55cd64ea | 692 | log(result, filters, indent=indent) |
e234398a KW |
693 | return result |
694 | ||
6a4e88e1 | 695 | # Returns None on success, and an error string on failure |
ac6fb43e | 696 | def run_job(self, job, auto_finalize=True, auto_dismiss=False, |
52ea799e | 697 | pre_finalize=None, cancel=False, wait=60.0): |
d443b74b JS |
698 | """ |
699 | run_job moves a job from creation through to dismissal. | |
700 | ||
701 | :param job: String. ID of recently-launched job | |
702 | :param auto_finalize: Bool. True if the job was launched with | |
703 | auto_finalize. Defaults to True. | |
704 | :param auto_dismiss: Bool. True if the job was launched with | |
705 | auto_dismiss=True. Defaults to False. | |
706 | :param pre_finalize: Callback. A callable that takes no arguments to be | |
707 | invoked prior to issuing job-finalize, if any. | |
708 | :param cancel: Bool. When true, cancels the job after the pre_finalize | |
709 | callback. | |
d443b74b JS |
710 | :param wait: Float. Timeout value specifying how long to wait for any |
711 | event, in seconds. Defaults to 60.0. | |
712 | """ | |
d6a79af0 JS |
713 | match_device = {'data': {'device': job}} |
714 | match_id = {'data': {'id': job}} | |
715 | events = [ | |
716 | ('BLOCK_JOB_COMPLETED', match_device), | |
717 | ('BLOCK_JOB_CANCELLED', match_device), | |
718 | ('BLOCK_JOB_ERROR', match_device), | |
719 | ('BLOCK_JOB_READY', match_device), | |
720 | ('BLOCK_JOB_PENDING', match_id), | |
721 | ('JOB_STATUS_CHANGE', match_id) | |
722 | ] | |
6a4e88e1 | 723 | error = None |
fc47d851 | 724 | while True: |
55824e09 | 725 | ev = filter_qmp_event(self.events_wait(events, timeout=wait)) |
d6a79af0 | 726 | if ev['event'] != 'JOB_STATUS_CHANGE': |
52ea799e | 727 | log(ev) |
d6a79af0 JS |
728 | continue |
729 | status = ev['data']['status'] | |
730 | if status == 'aborting': | |
731 | result = self.qmp('query-jobs') | |
732 | for j in result['return']: | |
733 | if j['id'] == job: | |
734 | error = j['error'] | |
52ea799e | 735 | log('Job failed: %s' % (j['error'])) |
4688c4e3 | 736 | elif status == 'ready': |
52ea799e | 737 | self.qmp_log('job-complete', id=job) |
d6a79af0 JS |
738 | elif status == 'pending' and not auto_finalize: |
739 | if pre_finalize: | |
740 | pre_finalize() | |
52ea799e | 741 | if cancel: |
d443b74b | 742 | self.qmp_log('job-cancel', id=job) |
15427f63 | 743 | else: |
52ea799e | 744 | self.qmp_log('job-finalize', id=job) |
d6a79af0 | 745 | elif status == 'concluded' and not auto_dismiss: |
52ea799e | 746 | self.qmp_log('job-dismiss', id=job) |
d6a79af0 JS |
747 | elif status == 'null': |
748 | return error | |
fc47d851 | 749 | |
e9dbd1ca KW |
750 | # Returns None on success, and an error string on failure |
751 | def blockdev_create(self, options, job_id='job0', filters=None): | |
752 | if filters is None: | |
753 | filters = [filter_qmp_testfiles] | |
754 | result = self.qmp_log('blockdev-create', filters=filters, | |
755 | job_id=job_id, options=options) | |
756 | ||
757 | if 'return' in result: | |
758 | assert result['return'] == {} | |
759 | job_result = self.run_job(job_id) | |
760 | else: | |
761 | job_result = result['error'] | |
762 | ||
763 | log("") | |
764 | return job_result | |
765 | ||
980448f1 KW |
766 | def enable_migration_events(self, name): |
767 | log('Enabling migration QMP events on %s...' % name) | |
768 | log(self.qmp('migrate-set-capabilities', capabilities=[ | |
769 | { | |
770 | 'capability': 'events', | |
771 | 'state': True | |
772 | } | |
773 | ])) | |
774 | ||
4bf63c80 | 775 | def wait_migration(self, expect_runstate: Optional[str]) -> bool: |
980448f1 KW |
776 | while True: |
777 | event = self.event_wait('MIGRATION') | |
503c2b31 KW |
778 | # We use the default timeout, and with a timeout, event_wait() |
779 | # never returns None | |
780 | assert event | |
781 | ||
980448f1 | 782 | log(event, filters=[filter_qmp_event]) |
4bf63c80 | 783 | if event['data']['status'] in ('completed', 'failed'): |
980448f1 | 784 | break |
4bf63c80 HR |
785 | |
786 | if event['data']['status'] == 'completed': | |
787 | # The event may occur in finish-migrate, so wait for the expected | |
788 | # post-migration runstate | |
789 | runstate = None | |
790 | while runstate != expect_runstate: | |
791 | runstate = self.qmp('query-status')['return']['status'] | |
792 | return True | |
793 | else: | |
794 | return False | |
980448f1 | 795 | |
ef7afd63 HR |
796 | def node_info(self, node_name): |
797 | nodes = self.qmp('query-named-block-nodes') | |
798 | for x in nodes['return']: | |
799 | if x['node-name'] == node_name: | |
800 | return x | |
801 | return None | |
802 | ||
5c4343b8 VSO |
803 | def query_bitmaps(self): |
804 | res = self.qmp("query-named-block-nodes") | |
805 | return {device['node-name']: device['dirty-bitmaps'] | |
806 | for device in res['return'] if 'dirty-bitmaps' in device} | |
807 | ||
808 | def get_bitmap(self, node_name, bitmap_name, recording=None, bitmaps=None): | |
809 | """ | |
810 | get a specific bitmap from the object returned by query_bitmaps. | |
811 | :param recording: If specified, filter results by the specified value. | |
812 | :param bitmaps: If specified, use it instead of call query_bitmaps() | |
813 | """ | |
814 | if bitmaps is None: | |
815 | bitmaps = self.query_bitmaps() | |
816 | ||
817 | for bitmap in bitmaps[node_name]: | |
818 | if bitmap.get('name', '') == bitmap_name: | |
6a96d87c | 819 | if recording is None or bitmap.get('recording') == recording: |
5c4343b8 VSO |
820 | return bitmap |
821 | return None | |
822 | ||
823 | def check_bitmap_status(self, node_name, bitmap_name, fields): | |
824 | ret = self.get_bitmap(node_name, bitmap_name) | |
825 | ||
826 | return fields.items() <= ret.items() | |
827 | ||
6a3d0f1e HR |
828 | def assert_block_path(self, root, path, expected_node, graph=None): |
829 | """ | |
830 | Check whether the node under the given path in the block graph | |
831 | is @expected_node. | |
832 | ||
833 | @root is the node name of the node where the @path is rooted. | |
834 | ||
835 | @path is a string that consists of child names separated by | |
836 | slashes. It must begin with a slash. | |
837 | ||
838 | Examples for @root + @path: | |
839 | - root="qcow2-node", path="/backing/file" | |
840 | - root="quorum-node", path="/children.2/file" | |
841 | ||
842 | Hypothetically, @path could be empty, in which case it would | |
843 | point to @root. However, in practice this case is not useful | |
844 | and hence not allowed. | |
845 | ||
846 | @expected_node may be None. (All elements of the path but the | |
847 | leaf must still exist.) | |
848 | ||
849 | @graph may be None or the result of an x-debug-query-block-graph | |
850 | call that has already been performed. | |
851 | """ | |
852 | if graph is None: | |
853 | graph = self.qmp('x-debug-query-block-graph')['return'] | |
854 | ||
855 | iter_path = iter(path.split('/')) | |
856 | ||
857 | # Must start with a / | |
858 | assert next(iter_path) == '' | |
859 | ||
860 | node = next((node for node in graph['nodes'] if node['name'] == root), | |
861 | None) | |
862 | ||
863 | # An empty @path is not allowed, so the root node must be present | |
864 | assert node is not None, 'Root node %s not found' % root | |
865 | ||
866 | for child_name in iter_path: | |
867 | assert node is not None, 'Cannot follow path %s%s' % (root, path) | |
868 | ||
869 | try: | |
6a96d87c JS |
870 | node_id = next(edge['child'] for edge in graph['edges'] |
871 | if (edge['parent'] == node['id'] and | |
872 | edge['name'] == child_name)) | |
873 | ||
874 | node = next(node for node in graph['nodes'] | |
875 | if node['id'] == node_id) | |
6a3d0f1e | 876 | |
6a3d0f1e HR |
877 | except StopIteration: |
878 | node = None | |
879 | ||
880 | if node is None: | |
881 | assert expected_node is None, \ | |
882 | 'No node found under %s (but expected %s)' % \ | |
883 | (path, expected_node) | |
884 | else: | |
885 | assert node['name'] == expected_node, \ | |
886 | 'Found node %s under %s (but expected %s)' % \ | |
887 | (node['name'], path, expected_node) | |
7898f74e | 888 | |
f345cfd0 SH |
889 | index_re = re.compile(r'([^\[]+)\[([^\]]+)\]') |
890 | ||
891 | class QMPTestCase(unittest.TestCase): | |
892 | '''Abstract base class for QMP test cases''' | |
893 | ||
6a96d87c JS |
894 | def __init__(self, *args, **kwargs): |
895 | super().__init__(*args, **kwargs) | |
896 | # Many users of this class set a VM property we rely on heavily | |
897 | # in the methods below. | |
898 | self.vm = None | |
899 | ||
f345cfd0 SH |
900 | def dictpath(self, d, path): |
901 | '''Traverse a path in a nested dict''' | |
902 | for component in path.split('/'): | |
903 | m = index_re.match(component) | |
904 | if m: | |
905 | component, idx = m.groups() | |
906 | idx = int(idx) | |
907 | ||
908 | if not isinstance(d, dict) or component not in d: | |
b031e9a5 | 909 | self.fail(f'failed path traversal for "{path}" in "{d}"') |
f345cfd0 SH |
910 | d = d[component] |
911 | ||
912 | if m: | |
913 | if not isinstance(d, list): | |
b031e9a5 JS |
914 | self.fail(f'path component "{component}" in "{path}" ' |
915 | f'is not a list in "{d}"') | |
f345cfd0 SH |
916 | try: |
917 | d = d[idx] | |
918 | except IndexError: | |
b031e9a5 JS |
919 | self.fail(f'invalid index "{idx}" in path "{path}" ' |
920 | f'in "{d}"') | |
f345cfd0 SH |
921 | return d |
922 | ||
90f0b711 PB |
923 | def assert_qmp_absent(self, d, path): |
924 | try: | |
925 | result = self.dictpath(d, path) | |
926 | except AssertionError: | |
927 | return | |
928 | self.fail('path "%s" has value "%s"' % (path, str(result))) | |
929 | ||
f345cfd0 | 930 | def assert_qmp(self, d, path, value): |
a93a42bd HR |
931 | '''Assert that the value for a specific path in a QMP dict |
932 | matches. When given a list of values, assert that any of | |
933 | them matches.''' | |
934 | ||
f345cfd0 | 935 | result = self.dictpath(d, path) |
a93a42bd HR |
936 | |
937 | # [] makes no sense as a list of valid values, so treat it as | |
938 | # an actual single value. | |
939 | if isinstance(value, list) and value != []: | |
940 | for v in value: | |
941 | if result == v: | |
942 | return | |
943 | self.fail('no match for "%s" in %s' % (str(result), str(value))) | |
944 | else: | |
945 | self.assertEqual(result, value, | |
dbf231d7 | 946 | '"%s" is "%s", expected "%s"' |
6a96d87c | 947 | % (path, str(result), str(value))) |
f345cfd0 | 948 | |
ecc1c88e SH |
949 | def assert_no_active_block_jobs(self): |
950 | result = self.vm.qmp('query-block-jobs') | |
951 | self.assert_qmp(result, 'return', []) | |
952 | ||
e71fc0ba FZ |
953 | def assert_has_block_node(self, node_name=None, file_name=None): |
954 | """Issue a query-named-block-nodes and assert node_name and/or | |
955 | file_name is present in the result""" | |
956 | def check_equal_or_none(a, b): | |
6a96d87c | 957 | return a is None or b is None or a == b |
e71fc0ba FZ |
958 | assert node_name or file_name |
959 | result = self.vm.qmp('query-named-block-nodes') | |
960 | for x in result["return"]: | |
961 | if check_equal_or_none(x.get("node-name"), node_name) and \ | |
962 | check_equal_or_none(x.get("file"), file_name): | |
963 | return | |
6a96d87c JS |
964 | self.fail("Cannot find %s %s in result:\n%s" % |
965 | (node_name, file_name, result)) | |
e71fc0ba | 966 | |
e07375f5 HR |
967 | def assert_json_filename_equal(self, json_filename, reference): |
968 | '''Asserts that the given filename is a json: filename and that its | |
969 | content is equal to the given reference object''' | |
970 | self.assertEqual(json_filename[:5], 'json:') | |
b031e9a5 JS |
971 | self.assertEqual( |
972 | self.vm.flatten_qmp_object(json.loads(json_filename[5:])), | |
973 | self.vm.flatten_qmp_object(reference) | |
974 | ) | |
e07375f5 | 975 | |
b031e9a5 JS |
976 | def cancel_and_wait(self, drive='drive0', force=False, |
977 | resume=False, wait=60.0): | |
2575fe16 SH |
978 | '''Cancel a block job and wait for it to finish, returning the event''' |
979 | result = self.vm.qmp('block-job-cancel', device=drive, force=force) | |
980 | self.assert_qmp(result, 'return', {}) | |
981 | ||
3cf53c77 FZ |
982 | if resume: |
983 | self.vm.resume_drive(drive) | |
984 | ||
2575fe16 SH |
985 | cancelled = False |
986 | result = None | |
987 | while not cancelled: | |
8b6f5f8b | 988 | for event in self.vm.get_qmp_events(wait=wait): |
2575fe16 SH |
989 | if event['event'] == 'BLOCK_JOB_COMPLETED' or \ |
990 | event['event'] == 'BLOCK_JOB_CANCELLED': | |
991 | self.assert_qmp(event, 'data/device', drive) | |
992 | result = event | |
993 | cancelled = True | |
1dac83f1 KW |
994 | elif event['event'] == 'JOB_STATUS_CHANGE': |
995 | self.assert_qmp(event, 'data/id', drive) | |
996 | ||
2575fe16 SH |
997 | |
998 | self.assert_no_active_block_jobs() | |
999 | return result | |
1000 | ||
b031e9a5 JS |
1001 | def wait_until_completed(self, drive='drive0', check_offset=True, |
1002 | wait=60.0, error=None): | |
0dbe8a1b | 1003 | '''Wait for a block job to finish, returning the event''' |
c3988519 | 1004 | while True: |
8b6f5f8b | 1005 | for event in self.vm.get_qmp_events(wait=wait): |
0dbe8a1b SH |
1006 | if event['event'] == 'BLOCK_JOB_COMPLETED': |
1007 | self.assert_qmp(event, 'data/device', drive) | |
216656f5 HR |
1008 | if error is None: |
1009 | self.assert_qmp_absent(event, 'data/error') | |
1010 | if check_offset: | |
1011 | self.assert_qmp(event, 'data/offset', | |
1012 | event['data']['len']) | |
1013 | else: | |
1014 | self.assert_qmp(event, 'data/error', error) | |
c3988519 PX |
1015 | self.assert_no_active_block_jobs() |
1016 | return event | |
6a96d87c | 1017 | if event['event'] == 'JOB_STATUS_CHANGE': |
1dac83f1 | 1018 | self.assert_qmp(event, 'data/id', drive) |
0dbe8a1b | 1019 | |
866323f3 | 1020 | def wait_ready(self, drive='drive0'): |
6a96d87c | 1021 | """Wait until a BLOCK_JOB_READY event, and return the event.""" |
c682bf18 HR |
1022 | return self.vm.events_wait([ |
1023 | ('BLOCK_JOB_READY', | |
1024 | {'data': {'type': 'mirror', 'device': drive}}), | |
1025 | ('BLOCK_JOB_READY', | |
1026 | {'data': {'type': 'commit', 'device': drive}}) | |
1027 | ]) | |
866323f3 FZ |
1028 | |
1029 | def wait_ready_and_cancel(self, drive='drive0'): | |
1030 | self.wait_ready(drive=drive) | |
1031 | event = self.cancel_and_wait(drive=drive) | |
fa1cfb40 | 1032 | self.assertEqual(event['event'], 'BLOCK_JOB_COMPLETED') |
866323f3 FZ |
1033 | self.assert_qmp(event, 'data/type', 'mirror') |
1034 | self.assert_qmp(event, 'data/offset', event['data']['len']) | |
1035 | ||
216656f5 HR |
1036 | def complete_and_wait(self, drive='drive0', wait_ready=True, |
1037 | completion_error=None): | |
866323f3 FZ |
1038 | '''Complete a block job and wait for it to finish''' |
1039 | if wait_ready: | |
1040 | self.wait_ready(drive=drive) | |
1041 | ||
1042 | result = self.vm.qmp('block-job-complete', device=drive) | |
1043 | self.assert_qmp(result, 'return', {}) | |
1044 | ||
216656f5 | 1045 | event = self.wait_until_completed(drive=drive, error=completion_error) |
c682bf18 | 1046 | self.assertTrue(event['data']['type'] in ['mirror', 'commit']) |
866323f3 | 1047 | |
f03d9d24 | 1048 | def pause_wait(self, job_id='job0'): |
e1df89bb | 1049 | with Timeout(3, "Timeout waiting for job to pause"): |
2c93c5cb KW |
1050 | while True: |
1051 | result = self.vm.qmp('query-block-jobs') | |
c1bac161 | 1052 | found = False |
2c93c5cb | 1053 | for job in result['return']: |
c1bac161 VSO |
1054 | if job['device'] == job_id: |
1055 | found = True | |
6a96d87c | 1056 | if job['paused'] and not job['busy']: |
c1bac161 VSO |
1057 | return job |
1058 | break | |
1059 | assert found | |
2c93c5cb | 1060 | |
f03d9d24 JS |
1061 | def pause_job(self, job_id='job0', wait=True): |
1062 | result = self.vm.qmp('block-job-pause', device=job_id) | |
1063 | self.assert_qmp(result, 'return', {}) | |
1064 | if wait: | |
1065 | return self.pause_wait(job_id) | |
1066 | return result | |
1067 | ||
6be01225 HR |
1068 | def case_skip(self, reason): |
1069 | '''Skip this test case''' | |
1070 | case_notrun(reason) | |
1071 | self.skipTest(reason) | |
1072 | ||
2c93c5cb | 1073 | |
f345cfd0 SH |
1074 | def notrun(reason): |
1075 | '''Skip this test suite''' | |
1076 | # Each test in qemu-iotests has a number ("seq") | |
1077 | seq = os.path.basename(sys.argv[0]) | |
1078 | ||
ce090f65 | 1079 | open('%s/%s.notrun' % (output_dir, seq), 'w').write(reason + '\n') |
52ea799e | 1080 | logger.warning("%s not run: %s", seq, reason) |
f345cfd0 SH |
1081 | sys.exit(0) |
1082 | ||
57ed557f | 1083 | def case_notrun(reason): |
6be01225 HR |
1084 | '''Mark this test case as not having been run (without actually |
1085 | skipping it, that is left to the caller). See | |
1086 | QMPTestCase.case_skip() for a variant that actually skips the | |
1087 | current test case.''' | |
1088 | ||
57ed557f AS |
1089 | # Each test in qemu-iotests has a number ("seq") |
1090 | seq = os.path.basename(sys.argv[0]) | |
1091 | ||
1092 | open('%s/%s.casenotrun' % (output_dir, seq), 'a').write( | |
1093 | ' [case not run] ' + reason + '\n') | |
1094 | ||
59c29869 JS |
1095 | def _verify_image_format(supported_fmts: Sequence[str] = (), |
1096 | unsupported_fmts: Sequence[str] = ()) -> None: | |
f48351d2 VSO |
1097 | if 'generic' in supported_fmts and \ |
1098 | os.environ.get('IMGFMT_GENERIC', 'true') == 'true': | |
1099 | # similar to | |
1100 | # _supported_fmt generic | |
1101 | # for bash tests | |
f7125522 | 1102 | supported_fmts = () |
f48351d2 VSO |
1103 | |
1104 | not_sup = supported_fmts and (imgfmt not in supported_fmts) | |
1105 | if not_sup or (imgfmt in unsupported_fmts): | |
3f5c4076 | 1106 | notrun('not suitable for this image format: %s' % imgfmt) |
f345cfd0 | 1107 | |
d2a839ed HR |
1108 | if imgfmt == 'luks': |
1109 | verify_working_luks() | |
1110 | ||
59c29869 JS |
1111 | def _verify_protocol(supported: Sequence[str] = (), |
1112 | unsupported: Sequence[str] = ()) -> None: | |
5a259e86 KW |
1113 | assert not (supported and unsupported) |
1114 | ||
1115 | if 'generic' in supported: | |
1116 | return | |
1117 | ||
1118 | not_sup = supported and (imgproto not in supported) | |
1119 | if not_sup or (imgproto in unsupported): | |
1120 | notrun('not suitable for this protocol: %s' % imgproto) | |
1121 | ||
59c29869 JS |
1122 | def _verify_platform(supported: Sequence[str] = (), |
1123 | unsupported: Sequence[str] = ()) -> None: | |
7d814059 JS |
1124 | if any((sys.platform.startswith(x) for x in unsupported)): |
1125 | notrun('not suitable for this OS: %s' % sys.platform) | |
72b29030 | 1126 | |
7d814059 | 1127 | if supported: |
72b29030 JS |
1128 | if not any((sys.platform.startswith(x) for x in supported)): |
1129 | notrun('not suitable for this OS: %s' % sys.platform) | |
bc521696 | 1130 | |
59c29869 | 1131 | def _verify_cache_mode(supported_cache_modes: Sequence[str] = ()) -> None: |
ac8bd439 VSO |
1132 | if supported_cache_modes and (cachemode not in supported_cache_modes): |
1133 | notrun('not suitable for this cache mode: %s' % cachemode) | |
1134 | ||
cd8f5b75 | 1135 | def _verify_aio_mode(supported_aio_modes: Sequence[str] = ()) -> None: |
7156ca48 AM |
1136 | if supported_aio_modes and (aiomode not in supported_aio_modes): |
1137 | notrun('not suitable for this aio mode: %s' % aiomode) | |
1138 | ||
18654716 VSO |
1139 | def _verify_formats(required_formats: Sequence[str] = ()) -> None: |
1140 | usf_list = list(set(required_formats) - set(supported_formats())) | |
1141 | if usf_list: | |
1142 | notrun(f'formats {usf_list} are not whitelisted') | |
1143 | ||
f203080b VSO |
1144 | |
1145 | def _verify_virtio_blk() -> None: | |
1146 | out = qemu_pipe('-M', 'none', '-device', 'help') | |
1147 | if 'virtio-blk' not in out: | |
1148 | notrun('Missing virtio-blk in QEMU binary') | |
1149 | ||
359a8562 LV |
1150 | def _verify_virtio_scsi_pci_or_ccw() -> None: |
1151 | out = qemu_pipe('-M', 'none', '-device', 'help') | |
1152 | if 'virtio-scsi-pci' not in out and 'virtio-scsi-ccw' not in out: | |
1153 | notrun('Missing virtio-scsi-pci or virtio-scsi-ccw in QEMU binary') | |
1154 | ||
f203080b | 1155 | |
b0f90495 AG |
1156 | def supports_quorum(): |
1157 | return 'quorum' in qemu_img_pipe('--help') | |
1158 | ||
3f647b51 SS |
1159 | def verify_quorum(): |
1160 | '''Skip test suite if quorum support is not available''' | |
b0f90495 | 1161 | if not supports_quorum(): |
3f647b51 SS |
1162 | notrun('quorum support missing') |
1163 | ||
6649f4bd HR |
1164 | def has_working_luks() -> Tuple[bool, str]: |
1165 | """ | |
1166 | Check whether our LUKS driver can actually create images | |
1167 | (this extends to LUKS encryption for qcow2). | |
1168 | ||
1169 | If not, return the reason why. | |
1170 | """ | |
1171 | ||
1172 | img_file = f'{test_dir}/luks-test.luks' | |
1173 | (output, status) = \ | |
1174 | qemu_img_pipe_and_status('create', '-f', 'luks', | |
1175 | '--object', luks_default_secret_object, | |
1176 | '-o', luks_default_key_secret_opt, | |
1177 | '-o', 'iter-time=10', | |
1178 | img_file, '1G') | |
1179 | try: | |
1180 | os.remove(img_file) | |
1181 | except OSError: | |
1182 | pass | |
1183 | ||
1184 | if status != 0: | |
1185 | reason = output | |
1186 | for line in output.splitlines(): | |
1187 | if img_file + ':' in line: | |
1188 | reason = line.split(img_file + ':', 1)[1].strip() | |
1189 | break | |
1190 | ||
1191 | return (False, reason) | |
1192 | else: | |
1193 | return (True, '') | |
1194 | ||
1195 | def verify_working_luks(): | |
1196 | """ | |
1197 | Skip test suite if LUKS does not work | |
1198 | """ | |
1199 | (working, reason) = has_working_luks() | |
1200 | if not working: | |
1201 | notrun(reason) | |
1202 | ||
91efbae9 | 1203 | def qemu_pipe(*args: str) -> str: |
b031e9a5 JS |
1204 | """ |
1205 | Run qemu with an option to print something and exit (e.g. a help option). | |
1206 | ||
1207 | :return: QEMU's stdout output. | |
1208 | """ | |
91efbae9 KW |
1209 | full_args = [qemu_prog] + qemu_opts + list(args) |
1210 | output, _ = qemu_tool_pipe_and_status('qemu', full_args) | |
49438972 | 1211 | return output |
57ed557f AS |
1212 | |
1213 | def supported_formats(read_only=False): | |
1214 | '''Set 'read_only' to True to check ro-whitelist | |
1215 | Otherwise, rw-whitelist is checked''' | |
767de537 HR |
1216 | |
1217 | if not hasattr(supported_formats, "formats"): | |
1218 | supported_formats.formats = {} | |
1219 | ||
1220 | if read_only not in supported_formats.formats: | |
1221 | format_message = qemu_pipe("-drive", "format=help") | |
1222 | line = 1 if read_only else 0 | |
1223 | supported_formats.formats[read_only] = \ | |
1224 | format_message.splitlines()[line].split(":")[1].split() | |
1225 | ||
1226 | return supported_formats.formats[read_only] | |
57ed557f | 1227 | |
4eabe051 | 1228 | def skip_if_unsupported(required_formats=(), read_only=False): |
57ed557f AS |
1229 | '''Skip Test Decorator |
1230 | Runs the test if all the required formats are whitelisted''' | |
1231 | def skip_test_decorator(func): | |
cd8f5b75 KW |
1232 | def func_wrapper(test_case: QMPTestCase, *args: List[Any], |
1233 | **kwargs: Dict[str, Any]) -> None: | |
7448be83 HR |
1234 | if callable(required_formats): |
1235 | fmts = required_formats(test_case) | |
1236 | else: | |
1237 | fmts = required_formats | |
1238 | ||
1239 | usf_list = list(set(fmts) - set(supported_formats(read_only))) | |
57ed557f | 1240 | if usf_list: |
b031e9a5 JS |
1241 | msg = f'{test_case}: formats {usf_list} are not whitelisted' |
1242 | test_case.case_skip(msg) | |
57ed557f | 1243 | else: |
cd8f5b75 | 1244 | func(test_case, *args, **kwargs) |
57ed557f AS |
1245 | return func_wrapper |
1246 | return skip_test_decorator | |
1247 | ||
ff3caf5a HR |
1248 | def skip_for_formats(formats: Sequence[str] = ()) \ |
1249 | -> Callable[[Callable[[QMPTestCase, List[Any], Dict[str, Any]], None]], | |
1250 | Callable[[QMPTestCase, List[Any], Dict[str, Any]], None]]: | |
1251 | '''Skip Test Decorator | |
1252 | Skips the test for the given formats''' | |
1253 | def skip_test_decorator(func): | |
1254 | def func_wrapper(test_case: QMPTestCase, *args: List[Any], | |
1255 | **kwargs: Dict[str, Any]) -> None: | |
1256 | if imgfmt in formats: | |
1257 | msg = f'{test_case}: Skipped for format {imgfmt}' | |
1258 | test_case.case_skip(msg) | |
1259 | else: | |
1260 | func(test_case, *args, **kwargs) | |
1261 | return func_wrapper | |
1262 | return skip_test_decorator | |
1263 | ||
d926f4dd KW |
1264 | def skip_if_user_is_root(func): |
1265 | '''Skip Test Decorator | |
1266 | Runs the test only without root permissions''' | |
1267 | def func_wrapper(*args, **kwargs): | |
1268 | if os.getuid() == 0: | |
1269 | case_notrun('{}: cannot be run as root'.format(args[0])) | |
6a96d87c | 1270 | return None |
d926f4dd KW |
1271 | else: |
1272 | return func(*args, **kwargs) | |
1273 | return func_wrapper | |
1274 | ||
f29f4c25 PB |
1275 | # We need to filter out the time taken from the output so that |
1276 | # qemu-iotest can reliably diff the results against master output, | |
1277 | # and hide skipped tests from the reference output. | |
1278 | ||
1279 | class ReproducibleTestResult(unittest.TextTestResult): | |
1280 | def addSkip(self, test, reason): | |
1281 | # Same as TextTestResult, but print dot instead of "s" | |
1282 | unittest.TestResult.addSkip(self, test, reason) | |
1283 | if self.showAll: | |
1284 | self.stream.writeln("skipped {0!r}".format(reason)) | |
1285 | elif self.dots: | |
1286 | self.stream.write(".") | |
1287 | self.stream.flush() | |
1288 | ||
1289 | class ReproducibleStreamWrapper: | |
1290 | def __init__(self, stream: TextIO): | |
1291 | self.stream = stream | |
1292 | ||
1293 | def __getattr__(self, attr): | |
1294 | if attr in ('stream', '__getstate__'): | |
1295 | raise AttributeError(attr) | |
1296 | return getattr(self.stream, attr) | |
1297 | ||
1298 | def write(self, arg=None): | |
1299 | arg = re.sub(r'Ran (\d+) tests? in [\d.]+s', r'Ran \1 tests', arg) | |
1300 | arg = re.sub(r' \(skipped=\d+\)', r'', arg) | |
1301 | self.stream.write(arg) | |
1302 | ||
1303 | class ReproducibleTestRunner(unittest.TextTestRunner): | |
1304 | def __init__(self, stream: Optional[TextIO] = None, | |
1305 | resultclass: Type[unittest.TestResult] = ReproducibleTestResult, | |
1306 | **kwargs: Any) -> None: | |
1307 | rstream = ReproducibleStreamWrapper(stream or sys.stdout) | |
1308 | super().__init__(stream=rstream, # type: ignore | |
1309 | descriptions=True, | |
1310 | resultclass=resultclass, | |
1311 | **kwargs) | |
1312 | ||
00dbc85e | 1313 | def execute_unittest(argv: List[str], debug: bool = False) -> None: |
7d814059 JS |
1314 | """Executes unittests within the calling module.""" |
1315 | ||
00dbc85e PB |
1316 | # Some tests have warnings, especially ResourceWarnings for unclosed |
1317 | # files and sockets. Ignore them for now to ensure reproducibility of | |
1318 | # the test output. | |
1319 | unittest.main(argv=argv, | |
1320 | testRunner=ReproducibleTestRunner, | |
1321 | verbosity=2 if debug else 1, | |
1322 | warnings=None if sys.warnoptions else 'ignore') | |
c6a92369 | 1323 | |
7d814059 JS |
1324 | def execute_setup_common(supported_fmts: Sequence[str] = (), |
1325 | supported_platforms: Sequence[str] = (), | |
1326 | supported_cache_modes: Sequence[str] = (), | |
1327 | supported_aio_modes: Sequence[str] = (), | |
1328 | unsupported_fmts: Sequence[str] = (), | |
1329 | supported_protocols: Sequence[str] = (), | |
18654716 VSO |
1330 | unsupported_protocols: Sequence[str] = (), |
1331 | required_fmts: Sequence[str] = ()) -> bool: | |
7d814059 JS |
1332 | """ |
1333 | Perform necessary setup for either script-style or unittest-style tests. | |
1334 | ||
1335 | :return: Bool; Whether or not debug mode has been requested via the CLI. | |
1336 | """ | |
1337 | # Note: Python 3.6 and pylint do not like 'Collection' so use 'Sequence'. | |
c0088d79 | 1338 | |
44a46a9c JS |
1339 | debug = '-d' in sys.argv |
1340 | if debug: | |
1341 | sys.argv.remove('-d') | |
1342 | logging.basicConfig(level=(logging.DEBUG if debug else logging.WARN)) | |
1343 | ||
59c29869 JS |
1344 | _verify_image_format(supported_fmts, unsupported_fmts) |
1345 | _verify_protocol(supported_protocols, unsupported_protocols) | |
1346 | _verify_platform(supported=supported_platforms) | |
1347 | _verify_cache_mode(supported_cache_modes) | |
1348 | _verify_aio_mode(supported_aio_modes) | |
18654716 | 1349 | _verify_formats(required_fmts) |
f203080b | 1350 | _verify_virtio_blk() |
c6a92369 | 1351 | |
7d814059 JS |
1352 | return debug |
1353 | ||
1354 | def execute_test(*args, test_function=None, **kwargs): | |
1355 | """Run either unittest or script-style tests.""" | |
1356 | ||
1357 | debug = execute_setup_common(*args, **kwargs) | |
456a2d5a | 1358 | if not test_function: |
00dbc85e | 1359 | execute_unittest(sys.argv, debug) |
456a2d5a JS |
1360 | else: |
1361 | test_function() | |
1362 | ||
52ea799e JS |
1363 | def activate_logging(): |
1364 | """Activate iotests.log() output to stdout for script-style tests.""" | |
1365 | handler = logging.StreamHandler(stream=sys.stdout) | |
1366 | formatter = logging.Formatter('%(message)s') | |
1367 | handler.setFormatter(formatter) | |
1368 | test_logger.addHandler(handler) | |
1369 | test_logger.setLevel(logging.INFO) | |
1370 | test_logger.propagate = False | |
1371 | ||
7d814059 JS |
1372 | # This is called from script-style iotests without a single point of entry |
1373 | def script_initialize(*args, **kwargs): | |
1374 | """Initialize script-style tests without running any tests.""" | |
52ea799e | 1375 | activate_logging() |
7d814059 JS |
1376 | execute_setup_common(*args, **kwargs) |
1377 | ||
1378 | # This is called from script-style iotests with a single point of entry | |
456a2d5a JS |
1379 | def script_main(test_function, *args, **kwargs): |
1380 | """Run script-style tests outside of the unittest framework""" | |
52ea799e | 1381 | activate_logging() |
7d814059 | 1382 | execute_test(*args, test_function=test_function, **kwargs) |
f345cfd0 | 1383 | |
7d814059 | 1384 | # This is called from unittest style iotests |
456a2d5a JS |
1385 | def main(*args, **kwargs): |
1386 | """Run tests using the unittest framework""" | |
7d814059 | 1387 | execute_test(*args, **kwargs) |