1 from __future__ import print_function
2 # Common utilities and Python wrappers for qemu-iotests
4 # Copyright (C) 2012 IBM Corp.
6 # This program is free software; you can redistribute it and/or modify
7 # it under the terms of the GNU General Public License as published by
8 # the Free Software Foundation; either version 2 of the License, or
9 # (at your option) any later version.
11 # This program is distributed in the hope that it will be useful,
12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 # GNU General Public License for more details.
16 # You should have received a copy of the GNU General Public License
17 # along with this program. If not, see <http://www.gnu.org/licenses/>.
33 from collections import OrderedDict
35 sys.path.append(os.path.join(os.path.dirname(__file__), '..', '..', 'python'))
36 from qemu import qtest
38 assert sys.version_info >= (3,6)
40 # This will not work if arguments contain spaces but is necessary if we
41 # want to support the override options that ./check supports.
42 qemu_img_args = [os.environ.get('QEMU_IMG_PROG', 'qemu-img')]
43 if os.environ.get('QEMU_IMG_OPTIONS'):
44 qemu_img_args += os.environ['QEMU_IMG_OPTIONS'].strip().split(' ')
46 qemu_io_args = [os.environ.get('QEMU_IO_PROG', 'qemu-io')]
47 if os.environ.get('QEMU_IO_OPTIONS'):
48 qemu_io_args += os.environ['QEMU_IO_OPTIONS'].strip().split(' ')
50 qemu_nbd_args = [os.environ.get('QEMU_NBD_PROG', 'qemu-nbd')]
51 if os.environ.get('QEMU_NBD_OPTIONS'):
52 qemu_nbd_args += os.environ['QEMU_NBD_OPTIONS'].strip().split(' ')
54 qemu_prog = os.environ.get('QEMU_PROG', 'qemu')
55 qemu_opts = os.environ.get('QEMU_OPTIONS', '').strip().split(' ')
57 imgfmt = os.environ.get('IMGFMT', 'raw')
58 imgproto = os.environ.get('IMGPROTO', 'file')
59 test_dir = os.environ.get('TEST_DIR')
60 output_dir = os.environ.get('OUTPUT_DIR', '.')
61 cachemode = os.environ.get('CACHEMODE')
62 qemu_default_machine = os.environ.get('QEMU_DEFAULT_MACHINE')
64 socket_scm_helper = os.environ.get('SOCKET_SCM_HELPER', 'socket_scm_helper')
66 luks_default_secret_object = 'secret,id=keysec0,data=' + \
67 os.environ.get('IMGKEYSECRET', '')
68 luks_default_key_secret_opt = 'key-secret=keysec0'
72 '''Run qemu-img and return the exit code'''
73 devnull = open('/dev/null', 'r+')
74 exitcode = subprocess.call(qemu_img_args + list(args), stdin=devnull, stdout=devnull)
76 sys.stderr.write('qemu-img received signal %i: %s\n' % (-exitcode, ' '.join(qemu_img_args + list(args))))
79 def ordered_qmp(qmsg, conv_keys=True):
80 # Dictionaries are not ordered prior to 3.6, therefore:
81 if isinstance(qmsg, list):
82 return [ordered_qmp(atom) for atom in qmsg]
83 if isinstance(qmsg, dict):
85 for k, v in sorted(qmsg.items()):
87 k = k.replace('_', '-')
88 od[k] = ordered_qmp(v, conv_keys=False)
92 def qemu_img_create(*args):
95 # default luks support
96 if '-f' in args and args[args.index('-f') + 1] == 'luks':
99 if 'key-secret' not in args[i + 1]:
100 args[i + 1].append(luks_default_key_secret_opt)
101 args.insert(i + 2, '--object')
102 args.insert(i + 3, luks_default_secret_object)
104 args = ['-o', luks_default_key_secret_opt,
105 '--object', luks_default_secret_object] + args
107 args.insert(0, 'create')
109 return qemu_img(*args)
111 def qemu_img_verbose(*args):
112 '''Run qemu-img without suppressing its output and return the exit code'''
113 exitcode = subprocess.call(qemu_img_args + list(args))
115 sys.stderr.write('qemu-img received signal %i: %s\n' % (-exitcode, ' '.join(qemu_img_args + list(args))))
118 def qemu_img_pipe(*args):
119 '''Run qemu-img and return its output'''
120 subp = subprocess.Popen(qemu_img_args + list(args),
121 stdout=subprocess.PIPE,
122 stderr=subprocess.STDOUT,
123 universal_newlines=True)
124 exitcode = subp.wait()
126 sys.stderr.write('qemu-img received signal %i: %s\n' % (-exitcode, ' '.join(qemu_img_args + list(args))))
127 return subp.communicate()[0]
129 def qemu_img_log(*args):
130 result = qemu_img_pipe(*args)
131 log(result, filters=[filter_testfiles])
134 def img_info_log(filename, filter_path=None, imgopts=False, extra_args=[]):
137 args.append('--image-opts')
139 args += [ '-f', imgfmt ]
141 args.append(filename)
143 output = qemu_img_pipe(*args)
145 filter_path = filename
146 log(filter_img_info(output, filter_path))
149 '''Run qemu-io and return the stdout data'''
150 args = qemu_io_args + list(args)
151 subp = subprocess.Popen(args, stdout=subprocess.PIPE,
152 stderr=subprocess.STDOUT,
153 universal_newlines=True)
154 exitcode = subp.wait()
156 sys.stderr.write('qemu-io received signal %i: %s\n' % (-exitcode, ' '.join(args)))
157 return subp.communicate()[0]
159 def qemu_io_silent(*args):
160 '''Run qemu-io and return the exit code, suppressing stdout'''
161 args = qemu_io_args + list(args)
162 exitcode = subprocess.call(args, stdout=open('/dev/null', 'w'))
164 sys.stderr.write('qemu-io received signal %i: %s\n' %
165 (-exitcode, ' '.join(args)))
168 def qemu_io_silent_check(*args):
169 '''Run qemu-io and return the true if subprocess returned 0'''
170 args = qemu_io_args + list(args)
171 exitcode = subprocess.call(args, stdout=open('/dev/null', 'w'),
172 stderr=subprocess.STDOUT)
175 def get_virtio_scsi_device():
176 if qemu_default_machine == 's390-ccw-virtio':
177 return 'virtio-scsi-ccw'
178 return 'virtio-scsi-pci'
180 class QemuIoInteractive:
181 def __init__(self, *args):
182 self.args = qemu_io_args + list(args)
183 self._p = subprocess.Popen(self.args, stdin=subprocess.PIPE,
184 stdout=subprocess.PIPE,
185 stderr=subprocess.STDOUT,
186 universal_newlines=True)
187 assert self._p.stdout.read(9) == 'qemu-io> '
190 self._p.communicate('q\n')
192 def _read_output(self):
193 pattern = 'qemu-io> '
198 c = self._p.stdout.read(1)
199 # check unexpected EOF
202 if c == pattern[pos]:
207 return ''.join(s[:-n])
210 # quit command is in close(), '\n' is added automatically
211 assert '\n' not in cmd
213 assert cmd != 'q' and cmd != 'quit'
214 self._p.stdin.write(cmd + '\n')
215 self._p.stdin.flush()
216 return self._read_output()
220 '''Run qemu-nbd in daemon mode and return the parent's exit code'''
221 return subprocess.call(qemu_nbd_args + ['--fork'] + list(args))
223 def qemu_nbd_early_pipe(*args):
224 '''Run qemu-nbd in daemon mode and return both the parent's exit code
225 and its output in case of an error'''
226 subp = subprocess.Popen(qemu_nbd_args + ['--fork'] + list(args),
227 stdout=subprocess.PIPE,
228 stderr=subprocess.STDOUT,
229 universal_newlines=True)
230 exitcode = subp.wait()
232 sys.stderr.write('qemu-nbd received signal %i: %s\n' %
234 ' '.join(qemu_nbd_args + ['--fork'] + list(args))))
238 return exitcode, subp.communicate()[0]
240 def qemu_nbd_popen(*args):
241 '''Run qemu-nbd in daemon mode and return the parent's exit code'''
242 return subprocess.Popen(qemu_nbd_args + ['--persistent'] + list(args))
244 def compare_images(img1, img2, fmt1=imgfmt, fmt2=imgfmt):
245 '''Return True if two image files are identical'''
246 return qemu_img('compare', '-f', fmt1,
247 '-F', fmt2, img1, img2) == 0
249 def create_image(name, size):
250 '''Create a fully-allocated raw image with sector markers'''
251 file = open(name, 'wb')
254 sector = struct.pack('>l504xl', i // 512, i // 512)
260 '''Return image's virtual size'''
261 r = qemu_img_pipe('info', '--output=json', '-f', imgfmt, img)
262 return json.loads(r)['virtual-size']
265 return isinstance(val, str)
267 test_dir_re = re.compile(r"%s" % test_dir)
268 def filter_test_dir(msg):
269 return test_dir_re.sub("TEST_DIR", msg)
271 win32_re = re.compile(r"\r")
272 def filter_win32(msg):
273 return win32_re.sub("", msg)
275 qemu_io_re = re.compile(r"[0-9]* ops; [0-9\/:. sec]* \([0-9\/.inf]* [EPTGMKiBbytes]*\/sec and [0-9\/.inf]* ops\/sec\)")
276 def filter_qemu_io(msg):
277 msg = filter_win32(msg)
278 return qemu_io_re.sub("X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)", msg)
280 chown_re = re.compile(r"chown [0-9]+:[0-9]+")
281 def filter_chown(msg):
282 return chown_re.sub("chown UID:GID", msg)
284 def filter_qmp_event(event):
285 '''Filter a QMP event dict'''
287 if 'timestamp' in event:
288 event['timestamp']['seconds'] = 'SECS'
289 event['timestamp']['microseconds'] = 'USECS'
292 def filter_qmp(qmsg, filter_fn):
293 '''Given a string filter, filter a QMP object's values.
294 filter_fn takes a (key, value) pair.'''
295 # Iterate through either lists or dicts;
296 if isinstance(qmsg, list):
297 items = enumerate(qmsg)
302 if isinstance(v, list) or isinstance(v, dict):
303 qmsg[k] = filter_qmp(v, filter_fn)
305 qmsg[k] = filter_fn(k, v)
308 def filter_testfiles(msg):
309 prefix = os.path.join(test_dir, "%s-" % (os.getpid()))
310 return msg.replace(prefix, 'TEST_DIR/PID-')
312 def filter_qmp_testfiles(qmsg):
313 def _filter(key, value):
315 return filter_testfiles(value)
317 return filter_qmp(qmsg, _filter)
319 def filter_generated_node_ids(msg):
320 return re.sub("#block[0-9]+", "NODE_NAME", msg)
322 def filter_img_info(output, filename):
324 for line in output.split('\n'):
325 if 'disk size' in line or 'actual-size' in line:
327 line = line.replace(filename, 'TEST_IMG') \
328 .replace(imgfmt, 'IMGFMT')
329 line = re.sub('iters: [0-9]+', 'iters: XXX', line)
330 line = re.sub('uuid: [-a-f0-9]+', 'uuid: XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX', line)
331 line = re.sub('cid: [0-9]+', 'cid: XXXXXXXXXX', line)
333 return '\n'.join(lines)
335 def filter_imgfmt(msg):
336 return msg.replace(imgfmt, 'IMGFMT')
338 def filter_qmp_imgfmt(qmsg):
339 def _filter(key, value):
341 return filter_imgfmt(value)
343 return filter_qmp(qmsg, _filter)
345 def log(msg, filters=[], indent=None):
346 '''Logs either a string message or a JSON serializable message (like QMP).
347 If indent is provided, JSON serializable messages are pretty-printed.'''
350 if isinstance(msg, dict) or isinstance(msg, list):
351 # Python < 3.4 needs to know not to add whitespace when pretty-printing:
352 separators = (', ', ': ') if indent is None else (',', ': ')
353 # Don't sort if it's already sorted
354 do_sort = not isinstance(msg, OrderedDict)
355 print(json.dumps(msg, sort_keys=do_sort,
356 indent=indent, separators=separators))
361 def __init__(self, seconds, errmsg = "Timeout"):
362 self.seconds = seconds
365 signal.signal(signal.SIGALRM, self.timeout)
366 signal.setitimer(signal.ITIMER_REAL, self.seconds)
368 def __exit__(self, type, value, traceback):
369 signal.setitimer(signal.ITIMER_REAL, 0)
371 def timeout(self, signum, frame):
372 raise Exception(self.errmsg)
374 def file_pattern(name):
375 return "{0}-{1}".format(os.getpid(), name)
377 class FilePaths(object):
379 FilePaths is an auto-generated filename that cleans itself up.
381 Use this context manager to generate filenames and ensure that the file
384 with FilePaths(['test.img']) as img_path:
385 qemu_img('create', img_path, '1G')
386 # migration_sock_path is automatically deleted
388 def __init__(self, names):
391 self.paths.append(os.path.join(test_dir, file_pattern(name)))
396 def __exit__(self, exc_type, exc_val, exc_tb):
398 for path in self.paths:
404 class FilePath(FilePaths):
406 FilePath is a specialization of FilePaths that takes a single filename.
408 def __init__(self, name):
409 super(FilePath, self).__init__([name])
414 def file_path_remover():
415 for path in reversed(file_path_remover.paths):
422 def file_path(*names):
423 ''' Another way to get auto-generated filename that cleans itself up.
427 img_a, img_b = file_path('a.img', 'b.img')
428 sock = file_path('socket')
431 if not hasattr(file_path_remover, 'paths'):
432 file_path_remover.paths = []
433 atexit.register(file_path_remover)
437 filename = file_pattern(name)
438 path = os.path.join(test_dir, filename)
439 file_path_remover.paths.append(path)
442 return paths[0] if len(paths) == 1 else paths
444 def remote_filename(path):
445 if imgproto == 'file':
447 elif imgproto == 'ssh':
450 raise Exception("Protocol %s not supported" % (imgproto))
452 class VM(qtest.QEMUQtestMachine):
455 def __init__(self, path_suffix=''):
456 name = "qemu%s-%d" % (path_suffix, os.getpid())
457 super(VM, self).__init__(qemu_prog, qemu_opts, name=name,
459 socket_scm_helper=socket_scm_helper)
462 def add_object(self, opts):
463 self._args.append('-object')
464 self._args.append(opts)
467 def add_device(self, opts):
468 self._args.append('-device')
469 self._args.append(opts)
472 def add_drive_raw(self, opts):
473 self._args.append('-drive')
474 self._args.append(opts)
477 def add_drive(self, path, opts='', interface='virtio', format=imgfmt):
478 '''Add a virtio-blk drive to the VM'''
479 options = ['if=%s' % interface,
480 'id=drive%d' % self._num_drives]
483 options.append('file=%s' % path)
484 options.append('format=%s' % format)
485 options.append('cache=%s' % cachemode)
490 if format == 'luks' and 'key-secret' not in opts:
491 # default luks support
492 if luks_default_secret_object not in self._args:
493 self.add_object(luks_default_secret_object)
495 options.append(luks_default_key_secret_opt)
497 self._args.append('-drive')
498 self._args.append(','.join(options))
499 self._num_drives += 1
502 def add_blockdev(self, opts):
503 self._args.append('-blockdev')
504 if isinstance(opts, str):
505 self._args.append(opts)
507 self._args.append(','.join(opts))
510 def add_incoming(self, addr):
511 self._args.append('-incoming')
512 self._args.append(addr)
515 def pause_drive(self, drive, event=None):
516 '''Pause drive r/w operations'''
518 self.pause_drive(drive, "read_aio")
519 self.pause_drive(drive, "write_aio")
521 self.qmp('human-monitor-command',
522 command_line='qemu-io %s "break %s bp_%s"' % (drive, event, drive))
524 def resume_drive(self, drive):
525 self.qmp('human-monitor-command',
526 command_line='qemu-io %s "remove_break bp_%s"' % (drive, drive))
528 def hmp_qemu_io(self, drive, cmd):
529 '''Write to a given drive using an HMP command'''
530 return self.qmp('human-monitor-command',
531 command_line='qemu-io %s "%s"' % (drive, cmd))
533 def flatten_qmp_object(self, obj, output=None, basestr=''):
536 if isinstance(obj, list):
537 for i in range(len(obj)):
538 self.flatten_qmp_object(obj[i], output, basestr + str(i) + '.')
539 elif isinstance(obj, dict):
541 self.flatten_qmp_object(obj[key], output, basestr + key + '.')
543 output[basestr[:-1]] = obj # Strip trailing '.'
546 def qmp_to_opts(self, obj):
547 obj = self.flatten_qmp_object(obj)
550 output_list += [key + '=' + obj[key]]
551 return ','.join(output_list)
553 def get_qmp_events_filtered(self, wait=60.0):
555 for ev in self.get_qmp_events(wait=wait):
556 result.append(filter_qmp_event(ev))
559 def qmp_log(self, cmd, filters=[], indent=None, **kwargs):
560 full_cmd = OrderedDict((
562 ("arguments", ordered_qmp(kwargs))
564 log(full_cmd, filters, indent=indent)
565 result = self.qmp(cmd, **kwargs)
566 log(result, filters, indent=indent)
569 # Returns None on success, and an error string on failure
570 def run_job(self, job, auto_finalize=True, auto_dismiss=False,
571 pre_finalize=None, cancel=False, use_log=True, wait=60.0):
573 run_job moves a job from creation through to dismissal.
575 :param job: String. ID of recently-launched job
576 :param auto_finalize: Bool. True if the job was launched with
577 auto_finalize. Defaults to True.
578 :param auto_dismiss: Bool. True if the job was launched with
579 auto_dismiss=True. Defaults to False.
580 :param pre_finalize: Callback. A callable that takes no arguments to be
581 invoked prior to issuing job-finalize, if any.
582 :param cancel: Bool. When true, cancels the job after the pre_finalize
584 :param use_log: Bool. When false, does not log QMP messages.
585 :param wait: Float. Timeout value specifying how long to wait for any
586 event, in seconds. Defaults to 60.0.
588 match_device = {'data': {'device': job}}
589 match_id = {'data': {'id': job}}
591 ('BLOCK_JOB_COMPLETED', match_device),
592 ('BLOCK_JOB_CANCELLED', match_device),
593 ('BLOCK_JOB_ERROR', match_device),
594 ('BLOCK_JOB_READY', match_device),
595 ('BLOCK_JOB_PENDING', match_id),
596 ('JOB_STATUS_CHANGE', match_id)
600 ev = filter_qmp_event(self.events_wait(events))
601 if ev['event'] != 'JOB_STATUS_CHANGE':
605 status = ev['data']['status']
606 if status == 'aborting':
607 result = self.qmp('query-jobs')
608 for j in result['return']:
612 log('Job failed: %s' % (j['error']))
613 elif status == 'pending' and not auto_finalize:
616 if cancel and use_log:
617 self.qmp_log('job-cancel', id=job)
619 self.qmp('job-cancel', id=job)
621 self.qmp_log('job-finalize', id=job)
623 self.qmp('job-finalize', id=job)
624 elif status == 'concluded' and not auto_dismiss:
626 self.qmp_log('job-dismiss', id=job)
628 self.qmp('job-dismiss', id=job)
629 elif status == 'null':
632 def enable_migration_events(self, name):
633 log('Enabling migration QMP events on %s...' % name)
634 log(self.qmp('migrate-set-capabilities', capabilities=[
636 'capability': 'events',
641 def wait_migration(self):
643 event = self.event_wait('MIGRATION')
644 log(event, filters=[filter_qmp_event])
645 if event['data']['status'] == 'completed':
648 def node_info(self, node_name):
649 nodes = self.qmp('query-named-block-nodes')
650 for x in nodes['return']:
651 if x['node-name'] == node_name:
655 def query_bitmaps(self):
656 res = self.qmp("query-named-block-nodes")
657 return {device['node-name']: device['dirty-bitmaps']
658 for device in res['return'] if 'dirty-bitmaps' in device}
660 def get_bitmap(self, node_name, bitmap_name, recording=None, bitmaps=None):
662 get a specific bitmap from the object returned by query_bitmaps.
663 :param recording: If specified, filter results by the specified value.
664 :param bitmaps: If specified, use it instead of call query_bitmaps()
667 bitmaps = self.query_bitmaps()
669 for bitmap in bitmaps[node_name]:
670 if bitmap.get('name', '') == bitmap_name:
671 if recording is None:
673 elif bitmap.get('recording') == recording:
677 def check_bitmap_status(self, node_name, bitmap_name, fields):
678 ret = self.get_bitmap(node_name, bitmap_name)
680 return fields.items() <= ret.items()
683 index_re = re.compile(r'([^\[]+)\[([^\]]+)\]')
685 class QMPTestCase(unittest.TestCase):
686 '''Abstract base class for QMP test cases'''
688 def dictpath(self, d, path):
689 '''Traverse a path in a nested dict'''
690 for component in path.split('/'):
691 m = index_re.match(component)
693 component, idx = m.groups()
696 if not isinstance(d, dict) or component not in d:
697 self.fail('failed path traversal for "%s" in "%s"' % (path, str(d)))
701 if not isinstance(d, list):
702 self.fail('path component "%s" in "%s" is not a list in "%s"' % (component, path, str(d)))
706 self.fail('invalid index "%s" in path "%s" in "%s"' % (idx, path, str(d)))
709 def assert_qmp_absent(self, d, path):
711 result = self.dictpath(d, path)
712 except AssertionError:
714 self.fail('path "%s" has value "%s"' % (path, str(result)))
716 def assert_qmp(self, d, path, value):
717 '''Assert that the value for a specific path in a QMP dict
718 matches. When given a list of values, assert that any of
721 result = self.dictpath(d, path)
723 # [] makes no sense as a list of valid values, so treat it as
724 # an actual single value.
725 if isinstance(value, list) and value != []:
729 self.fail('no match for "%s" in %s' % (str(result), str(value)))
731 self.assertEqual(result, value,
732 'values not equal "%s" and "%s"'
733 % (str(result), str(value)))
735 def assert_no_active_block_jobs(self):
736 result = self.vm.qmp('query-block-jobs')
737 self.assert_qmp(result, 'return', [])
739 def assert_has_block_node(self, node_name=None, file_name=None):
740 """Issue a query-named-block-nodes and assert node_name and/or
741 file_name is present in the result"""
742 def check_equal_or_none(a, b):
743 return a == None or b == None or a == b
744 assert node_name or file_name
745 result = self.vm.qmp('query-named-block-nodes')
746 for x in result["return"]:
747 if check_equal_or_none(x.get("node-name"), node_name) and \
748 check_equal_or_none(x.get("file"), file_name):
750 self.assertTrue(False, "Cannot find %s %s in result:\n%s" % \
751 (node_name, file_name, result))
753 def assert_json_filename_equal(self, json_filename, reference):
754 '''Asserts that the given filename is a json: filename and that its
755 content is equal to the given reference object'''
756 self.assertEqual(json_filename[:5], 'json:')
757 self.assertEqual(self.vm.flatten_qmp_object(json.loads(json_filename[5:])),
758 self.vm.flatten_qmp_object(reference))
760 def cancel_and_wait(self, drive='drive0', force=False, resume=False, wait=60.0):
761 '''Cancel a block job and wait for it to finish, returning the event'''
762 result = self.vm.qmp('block-job-cancel', device=drive, force=force)
763 self.assert_qmp(result, 'return', {})
766 self.vm.resume_drive(drive)
771 for event in self.vm.get_qmp_events(wait=wait):
772 if event['event'] == 'BLOCK_JOB_COMPLETED' or \
773 event['event'] == 'BLOCK_JOB_CANCELLED':
774 self.assert_qmp(event, 'data/device', drive)
777 elif event['event'] == 'JOB_STATUS_CHANGE':
778 self.assert_qmp(event, 'data/id', drive)
781 self.assert_no_active_block_jobs()
784 def wait_until_completed(self, drive='drive0', check_offset=True, wait=60.0):
785 '''Wait for a block job to finish, returning the event'''
787 for event in self.vm.get_qmp_events(wait=wait):
788 if event['event'] == 'BLOCK_JOB_COMPLETED':
789 self.assert_qmp(event, 'data/device', drive)
790 self.assert_qmp_absent(event, 'data/error')
792 self.assert_qmp(event, 'data/offset', event['data']['len'])
793 self.assert_no_active_block_jobs()
795 elif event['event'] == 'JOB_STATUS_CHANGE':
796 self.assert_qmp(event, 'data/id', drive)
798 def wait_ready(self, drive='drive0'):
799 '''Wait until a block job BLOCK_JOB_READY event'''
800 f = {'data': {'type': 'mirror', 'device': drive } }
801 event = self.vm.event_wait(name='BLOCK_JOB_READY', match=f)
803 def wait_ready_and_cancel(self, drive='drive0'):
804 self.wait_ready(drive=drive)
805 event = self.cancel_and_wait(drive=drive)
806 self.assertEqual(event['event'], 'BLOCK_JOB_COMPLETED')
807 self.assert_qmp(event, 'data/type', 'mirror')
808 self.assert_qmp(event, 'data/offset', event['data']['len'])
810 def complete_and_wait(self, drive='drive0', wait_ready=True):
811 '''Complete a block job and wait for it to finish'''
813 self.wait_ready(drive=drive)
815 result = self.vm.qmp('block-job-complete', device=drive)
816 self.assert_qmp(result, 'return', {})
818 event = self.wait_until_completed(drive=drive)
819 self.assert_qmp(event, 'data/type', 'mirror')
821 def pause_wait(self, job_id='job0'):
822 with Timeout(1, "Timeout waiting for job to pause"):
824 result = self.vm.qmp('query-block-jobs')
826 for job in result['return']:
827 if job['device'] == job_id:
829 if job['paused'] == True and job['busy'] == False:
834 def pause_job(self, job_id='job0', wait=True):
835 result = self.vm.qmp('block-job-pause', device=job_id)
836 self.assert_qmp(result, 'return', {})
838 return self.pause_wait(job_id)
841 def case_skip(self, reason):
842 '''Skip this test case'''
844 self.skipTest(reason)
848 '''Skip this test suite'''
849 # Each test in qemu-iotests has a number ("seq")
850 seq = os.path.basename(sys.argv[0])
852 open('%s/%s.notrun' % (output_dir, seq), 'w').write(reason + '\n')
853 print('%s not run: %s' % (seq, reason))
856 def case_notrun(reason):
857 '''Mark this test case as not having been run (without actually
858 skipping it, that is left to the caller). See
859 QMPTestCase.case_skip() for a variant that actually skips the
860 current test case.'''
862 # Each test in qemu-iotests has a number ("seq")
863 seq = os.path.basename(sys.argv[0])
865 open('%s/%s.casenotrun' % (output_dir, seq), 'a').write(
866 ' [case not run] ' + reason + '\n')
868 def verify_image_format(supported_fmts=[], unsupported_fmts=[]):
869 assert not (supported_fmts and unsupported_fmts)
871 if 'generic' in supported_fmts and \
872 os.environ.get('IMGFMT_GENERIC', 'true') == 'true':
874 # _supported_fmt generic
878 not_sup = supported_fmts and (imgfmt not in supported_fmts)
879 if not_sup or (imgfmt in unsupported_fmts):
880 notrun('not suitable for this image format: %s' % imgfmt)
882 def verify_protocol(supported=[], unsupported=[]):
883 assert not (supported and unsupported)
885 if 'generic' in supported:
888 not_sup = supported and (imgproto not in supported)
889 if not_sup or (imgproto in unsupported):
890 notrun('not suitable for this protocol: %s' % imgproto)
892 def verify_platform(supported_oses=['linux']):
893 if True not in [sys.platform.startswith(x) for x in supported_oses]:
894 notrun('not suitable for this OS: %s' % sys.platform)
896 def verify_cache_mode(supported_cache_modes=[]):
897 if supported_cache_modes and (cachemode not in supported_cache_modes):
898 notrun('not suitable for this cache mode: %s' % cachemode)
900 def supports_quorum():
901 return 'quorum' in qemu_img_pipe('--help')
904 '''Skip test suite if quorum support is not available'''
905 if not supports_quorum():
906 notrun('quorum support missing')
908 def qemu_pipe(*args):
909 '''Run qemu with an option to print something and exit (e.g. a help option),
910 and return its output'''
911 args = [qemu_prog] + qemu_opts + list(args)
912 subp = subprocess.Popen(args, stdout=subprocess.PIPE,
913 stderr=subprocess.STDOUT,
914 universal_newlines=True)
915 exitcode = subp.wait()
917 sys.stderr.write('qemu received signal %i: %s\n' % (-exitcode,
919 return subp.communicate()[0]
921 def supported_formats(read_only=False):
922 '''Set 'read_only' to True to check ro-whitelist
923 Otherwise, rw-whitelist is checked'''
924 format_message = qemu_pipe("-drive", "format=help")
925 line = 1 if read_only else 0
926 return format_message.splitlines()[line].split(":")[1].split()
928 def skip_if_unsupported(required_formats=[], read_only=False):
929 '''Skip Test Decorator
930 Runs the test if all the required formats are whitelisted'''
931 def skip_test_decorator(func):
932 def func_wrapper(test_case: QMPTestCase, *args, **kwargs):
933 if callable(required_formats):
934 fmts = required_formats(test_case)
936 fmts = required_formats
938 usf_list = list(set(fmts) - set(supported_formats(read_only)))
940 test_case.case_skip('{}: formats {} are not whitelisted'.format(
941 test_case, usf_list))
943 return func(test_case, *args, **kwargs)
945 return skip_test_decorator
947 def skip_if_user_is_root(func):
948 '''Skip Test Decorator
949 Runs the test only without root permissions'''
950 def func_wrapper(*args, **kwargs):
952 case_notrun('{}: cannot be run as root'.format(args[0]))
954 return func(*args, **kwargs)
957 def execute_unittest(output, verbosity, debug):
958 runner = unittest.TextTestRunner(stream=output, descriptions=True,
961 # unittest.main() will use sys.exit(); so expect a SystemExit
963 unittest.main(testRunner=runner)
966 out = output.getvalue()
967 out = re.sub(r'Ran (\d+) tests? in [\d.]+s', r'Ran \1 tests', out)
969 # Hide skipped tests from the reference output
970 out = re.sub(r'OK \(skipped=\d+\)', 'OK', out)
971 out_first_line, out_rest = out.split('\n', 1)
972 out = out_first_line.replace('s', '.') + '\n' + out_rest
974 sys.stderr.write(out)
976 def execute_test(test_function=None,
977 supported_fmts=[], supported_oses=['linux'],
978 supported_cache_modes=[], unsupported_fmts=[],
979 supported_protocols=[], unsupported_protocols=[]):
980 """Run either unittest or script-style tests."""
982 # We are using TEST_DIR and QEMU_DEFAULT_MACHINE as proxies to
983 # indicate that we're not being run via "check". There may be
984 # other things set up by "check" that individual test cases rely
986 if test_dir is None or qemu_default_machine is None:
987 sys.stderr.write('Please run this test via the "check" script\n')
988 sys.exit(os.EX_USAGE)
990 debug = '-d' in sys.argv
992 verify_image_format(supported_fmts, unsupported_fmts)
993 verify_protocol(supported_protocols, unsupported_protocols)
994 verify_platform(supported_oses)
995 verify_cache_mode(supported_cache_modes)
1000 sys.argv.remove('-d')
1002 # We need to filter out the time taken from the output so that
1003 # qemu-iotest can reliably diff the results against master output.
1004 output = io.StringIO()
1006 logging.basicConfig(level=(logging.DEBUG if debug else logging.WARN))
1008 if not test_function:
1009 execute_unittest(output, verbosity, debug)
1013 def script_main(test_function, *args, **kwargs):
1014 """Run script-style tests outside of the unittest framework"""
1015 execute_test(test_function, *args, **kwargs)
1017 def main(*args, **kwargs):
1018 """Run tests using the unittest framework"""
1019 execute_test(None, *args, **kwargs)