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_io_args_no_fmt = [os.environ.get('QEMU_IO_PROG', 'qemu-io')]
51 if os.environ.get('QEMU_IO_OPTIONS_NO_FMT'):
52 qemu_io_args_no_fmt += \
53 os.environ['QEMU_IO_OPTIONS_NO_FMT'].strip().split(' ')
55 qemu_nbd_args = [os.environ.get('QEMU_NBD_PROG', 'qemu-nbd')]
56 if os.environ.get('QEMU_NBD_OPTIONS'):
57 qemu_nbd_args += os.environ['QEMU_NBD_OPTIONS'].strip().split(' ')
59 qemu_prog = os.environ.get('QEMU_PROG', 'qemu')
60 qemu_opts = os.environ.get('QEMU_OPTIONS', '').strip().split(' ')
62 imgfmt = os.environ.get('IMGFMT', 'raw')
63 imgproto = os.environ.get('IMGPROTO', 'file')
64 test_dir = os.environ.get('TEST_DIR')
65 sock_dir = os.environ.get('SOCK_DIR')
66 output_dir = os.environ.get('OUTPUT_DIR', '.')
67 cachemode = os.environ.get('CACHEMODE')
68 qemu_default_machine = os.environ.get('QEMU_DEFAULT_MACHINE')
70 socket_scm_helper = os.environ.get('SOCKET_SCM_HELPER', 'socket_scm_helper')
72 luks_default_secret_object = 'secret,id=keysec0,data=' + \
73 os.environ.get('IMGKEYSECRET', '')
74 luks_default_key_secret_opt = 'key-secret=keysec0'
78 '''Run qemu-img and return the exit code'''
79 devnull = open('/dev/null', 'r+')
80 exitcode = subprocess.call(qemu_img_args + list(args), stdin=devnull, stdout=devnull)
82 sys.stderr.write('qemu-img received signal %i: %s\n' % (-exitcode, ' '.join(qemu_img_args + list(args))))
85 def ordered_qmp(qmsg, conv_keys=True):
86 # Dictionaries are not ordered prior to 3.6, therefore:
87 if isinstance(qmsg, list):
88 return [ordered_qmp(atom) for atom in qmsg]
89 if isinstance(qmsg, dict):
91 for k, v in sorted(qmsg.items()):
93 k = k.replace('_', '-')
94 od[k] = ordered_qmp(v, conv_keys=False)
98 def qemu_img_create(*args):
101 # default luks support
102 if '-f' in args and args[args.index('-f') + 1] == 'luks':
105 if 'key-secret' not in args[i + 1]:
106 args[i + 1].append(luks_default_key_secret_opt)
107 args.insert(i + 2, '--object')
108 args.insert(i + 3, luks_default_secret_object)
110 args = ['-o', luks_default_key_secret_opt,
111 '--object', luks_default_secret_object] + args
113 args.insert(0, 'create')
115 return qemu_img(*args)
117 def qemu_img_verbose(*args):
118 '''Run qemu-img without suppressing its output and return the exit code'''
119 exitcode = subprocess.call(qemu_img_args + list(args))
121 sys.stderr.write('qemu-img received signal %i: %s\n' % (-exitcode, ' '.join(qemu_img_args + list(args))))
124 def qemu_img_pipe(*args):
125 '''Run qemu-img and return its output'''
126 subp = subprocess.Popen(qemu_img_args + list(args),
127 stdout=subprocess.PIPE,
128 stderr=subprocess.STDOUT,
129 universal_newlines=True)
130 exitcode = subp.wait()
132 sys.stderr.write('qemu-img received signal %i: %s\n' % (-exitcode, ' '.join(qemu_img_args + list(args))))
133 return subp.communicate()[0]
135 def qemu_img_log(*args):
136 result = qemu_img_pipe(*args)
137 log(result, filters=[filter_testfiles])
140 def img_info_log(filename, filter_path=None, imgopts=False, extra_args=[]):
143 args.append('--image-opts')
145 args += [ '-f', imgfmt ]
147 args.append(filename)
149 output = qemu_img_pipe(*args)
151 filter_path = filename
152 log(filter_img_info(output, filter_path))
155 '''Run qemu-io and return the stdout data'''
156 args = qemu_io_args + list(args)
157 subp = subprocess.Popen(args, stdout=subprocess.PIPE,
158 stderr=subprocess.STDOUT,
159 universal_newlines=True)
160 exitcode = subp.wait()
162 sys.stderr.write('qemu-io received signal %i: %s\n' % (-exitcode, ' '.join(args)))
163 return subp.communicate()[0]
165 def qemu_io_silent(*args):
166 '''Run qemu-io and return the exit code, suppressing stdout'''
167 args = qemu_io_args + list(args)
168 exitcode = subprocess.call(args, stdout=open('/dev/null', 'w'))
170 sys.stderr.write('qemu-io received signal %i: %s\n' %
171 (-exitcode, ' '.join(args)))
174 def qemu_io_silent_check(*args):
175 '''Run qemu-io and return the true if subprocess returned 0'''
176 args = qemu_io_args + list(args)
177 exitcode = subprocess.call(args, stdout=open('/dev/null', 'w'),
178 stderr=subprocess.STDOUT)
181 def get_virtio_scsi_device():
182 if qemu_default_machine == 's390-ccw-virtio':
183 return 'virtio-scsi-ccw'
184 return 'virtio-scsi-pci'
186 class QemuIoInteractive:
187 def __init__(self, *args):
188 self.args = qemu_io_args + list(args)
189 self._p = subprocess.Popen(self.args, stdin=subprocess.PIPE,
190 stdout=subprocess.PIPE,
191 stderr=subprocess.STDOUT,
192 universal_newlines=True)
193 assert self._p.stdout.read(9) == 'qemu-io> '
196 self._p.communicate('q\n')
198 def _read_output(self):
199 pattern = 'qemu-io> '
204 c = self._p.stdout.read(1)
205 # check unexpected EOF
208 if c == pattern[pos]:
213 return ''.join(s[:-n])
216 # quit command is in close(), '\n' is added automatically
217 assert '\n' not in cmd
219 assert cmd != 'q' and cmd != 'quit'
220 self._p.stdin.write(cmd + '\n')
221 self._p.stdin.flush()
222 return self._read_output()
226 '''Run qemu-nbd in daemon mode and return the parent's exit code'''
227 return subprocess.call(qemu_nbd_args + ['--fork'] + list(args))
229 def qemu_nbd_early_pipe(*args):
230 '''Run qemu-nbd in daemon mode and return both the parent's exit code
231 and its output in case of an error'''
232 subp = subprocess.Popen(qemu_nbd_args + ['--fork'] + list(args),
233 stdout=subprocess.PIPE,
234 stderr=subprocess.STDOUT,
235 universal_newlines=True)
236 exitcode = subp.wait()
238 sys.stderr.write('qemu-nbd received signal %i: %s\n' %
240 ' '.join(qemu_nbd_args + ['--fork'] + list(args))))
244 return exitcode, subp.communicate()[0]
246 def qemu_nbd_popen(*args):
247 '''Run qemu-nbd in daemon mode and return the parent's exit code'''
248 return subprocess.Popen(qemu_nbd_args + ['--persistent'] + list(args))
250 def compare_images(img1, img2, fmt1=imgfmt, fmt2=imgfmt):
251 '''Return True if two image files are identical'''
252 return qemu_img('compare', '-f', fmt1,
253 '-F', fmt2, img1, img2) == 0
255 def create_image(name, size):
256 '''Create a fully-allocated raw image with sector markers'''
257 file = open(name, 'wb')
260 sector = struct.pack('>l504xl', i // 512, i // 512)
266 '''Return image's virtual size'''
267 r = qemu_img_pipe('info', '--output=json', '-f', imgfmt, img)
268 return json.loads(r)['virtual-size']
271 return isinstance(val, str)
273 test_dir_re = re.compile(r"%s" % test_dir)
274 def filter_test_dir(msg):
275 return test_dir_re.sub("TEST_DIR", msg)
277 win32_re = re.compile(r"\r")
278 def filter_win32(msg):
279 return win32_re.sub("", msg)
281 qemu_io_re = re.compile(r"[0-9]* ops; [0-9\/:. sec]* \([0-9\/.inf]* [EPTGMKiBbytes]*\/sec and [0-9\/.inf]* ops\/sec\)")
282 def filter_qemu_io(msg):
283 msg = filter_win32(msg)
284 return qemu_io_re.sub("X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)", msg)
286 chown_re = re.compile(r"chown [0-9]+:[0-9]+")
287 def filter_chown(msg):
288 return chown_re.sub("chown UID:GID", msg)
290 def filter_qmp_event(event):
291 '''Filter a QMP event dict'''
293 if 'timestamp' in event:
294 event['timestamp']['seconds'] = 'SECS'
295 event['timestamp']['microseconds'] = 'USECS'
298 def filter_qmp(qmsg, filter_fn):
299 '''Given a string filter, filter a QMP object's values.
300 filter_fn takes a (key, value) pair.'''
301 # Iterate through either lists or dicts;
302 if isinstance(qmsg, list):
303 items = enumerate(qmsg)
308 if isinstance(v, list) or isinstance(v, dict):
309 qmsg[k] = filter_qmp(v, filter_fn)
311 qmsg[k] = filter_fn(k, v)
314 def filter_testfiles(msg):
315 prefix = os.path.join(test_dir, "%s-" % (os.getpid()))
316 return msg.replace(prefix, 'TEST_DIR/PID-')
318 def filter_qmp_testfiles(qmsg):
319 def _filter(key, value):
321 return filter_testfiles(value)
323 return filter_qmp(qmsg, _filter)
325 def filter_generated_node_ids(msg):
326 return re.sub("#block[0-9]+", "NODE_NAME", msg)
328 def filter_img_info(output, filename):
330 for line in output.split('\n'):
331 if 'disk size' in line or 'actual-size' in line:
333 line = line.replace(filename, 'TEST_IMG') \
334 .replace(imgfmt, 'IMGFMT')
335 line = re.sub('iters: [0-9]+', 'iters: XXX', line)
336 line = re.sub('uuid: [-a-f0-9]+', 'uuid: XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX', line)
337 line = re.sub('cid: [0-9]+', 'cid: XXXXXXXXXX', line)
339 return '\n'.join(lines)
341 def filter_imgfmt(msg):
342 return msg.replace(imgfmt, 'IMGFMT')
344 def filter_qmp_imgfmt(qmsg):
345 def _filter(key, value):
347 return filter_imgfmt(value)
349 return filter_qmp(qmsg, _filter)
351 def log(msg, filters=[], indent=None):
352 '''Logs either a string message or a JSON serializable message (like QMP).
353 If indent is provided, JSON serializable messages are pretty-printed.'''
356 if isinstance(msg, dict) or isinstance(msg, list):
357 # Python < 3.4 needs to know not to add whitespace when pretty-printing:
358 separators = (', ', ': ') if indent is None else (',', ': ')
359 # Don't sort if it's already sorted
360 do_sort = not isinstance(msg, OrderedDict)
361 print(json.dumps(msg, sort_keys=do_sort,
362 indent=indent, separators=separators))
367 def __init__(self, seconds, errmsg = "Timeout"):
368 self.seconds = seconds
371 signal.signal(signal.SIGALRM, self.timeout)
372 signal.setitimer(signal.ITIMER_REAL, self.seconds)
374 def __exit__(self, type, value, traceback):
375 signal.setitimer(signal.ITIMER_REAL, 0)
377 def timeout(self, signum, frame):
378 raise Exception(self.errmsg)
380 def file_pattern(name):
381 return "{0}-{1}".format(os.getpid(), name)
383 class FilePaths(object):
385 FilePaths is an auto-generated filename that cleans itself up.
387 Use this context manager to generate filenames and ensure that the file
390 with FilePaths(['test.img']) as img_path:
391 qemu_img('create', img_path, '1G')
392 # migration_sock_path is automatically deleted
394 def __init__(self, names, base_dir=test_dir):
397 self.paths.append(os.path.join(base_dir, file_pattern(name)))
402 def __exit__(self, exc_type, exc_val, exc_tb):
404 for path in self.paths:
410 class FilePath(FilePaths):
412 FilePath is a specialization of FilePaths that takes a single filename.
414 def __init__(self, name, base_dir=test_dir):
415 super(FilePath, self).__init__([name], base_dir)
420 def file_path_remover():
421 for path in reversed(file_path_remover.paths):
428 def file_path(*names, base_dir=test_dir):
429 ''' Another way to get auto-generated filename that cleans itself up.
433 img_a, img_b = file_path('a.img', 'b.img')
434 sock = file_path('socket')
437 if not hasattr(file_path_remover, 'paths'):
438 file_path_remover.paths = []
439 atexit.register(file_path_remover)
443 filename = file_pattern(name)
444 path = os.path.join(base_dir, filename)
445 file_path_remover.paths.append(path)
448 return paths[0] if len(paths) == 1 else paths
450 def remote_filename(path):
451 if imgproto == 'file':
453 elif imgproto == 'ssh':
456 raise Exception("Protocol %s not supported" % (imgproto))
458 class VM(qtest.QEMUQtestMachine):
461 def __init__(self, path_suffix=''):
462 name = "qemu%s-%d" % (path_suffix, os.getpid())
463 super(VM, self).__init__(qemu_prog, qemu_opts, name=name,
465 socket_scm_helper=socket_scm_helper,
469 def add_object(self, opts):
470 self._args.append('-object')
471 self._args.append(opts)
474 def add_device(self, opts):
475 self._args.append('-device')
476 self._args.append(opts)
479 def add_drive_raw(self, opts):
480 self._args.append('-drive')
481 self._args.append(opts)
484 def add_drive(self, path, opts='', interface='virtio', format=imgfmt):
485 '''Add a virtio-blk drive to the VM'''
486 options = ['if=%s' % interface,
487 'id=drive%d' % self._num_drives]
490 options.append('file=%s' % path)
491 options.append('format=%s' % format)
492 options.append('cache=%s' % cachemode)
497 if format == 'luks' and 'key-secret' not in opts:
498 # default luks support
499 if luks_default_secret_object not in self._args:
500 self.add_object(luks_default_secret_object)
502 options.append(luks_default_key_secret_opt)
504 self._args.append('-drive')
505 self._args.append(','.join(options))
506 self._num_drives += 1
509 def add_blockdev(self, opts):
510 self._args.append('-blockdev')
511 if isinstance(opts, str):
512 self._args.append(opts)
514 self._args.append(','.join(opts))
517 def add_incoming(self, addr):
518 self._args.append('-incoming')
519 self._args.append(addr)
522 def pause_drive(self, drive, event=None):
523 '''Pause drive r/w operations'''
525 self.pause_drive(drive, "read_aio")
526 self.pause_drive(drive, "write_aio")
528 self.qmp('human-monitor-command',
529 command_line='qemu-io %s "break %s bp_%s"' % (drive, event, drive))
531 def resume_drive(self, drive):
532 self.qmp('human-monitor-command',
533 command_line='qemu-io %s "remove_break bp_%s"' % (drive, drive))
535 def hmp_qemu_io(self, drive, cmd):
536 '''Write to a given drive using an HMP command'''
537 return self.qmp('human-monitor-command',
538 command_line='qemu-io %s "%s"' % (drive, cmd))
540 def flatten_qmp_object(self, obj, output=None, basestr=''):
543 if isinstance(obj, list):
544 for i in range(len(obj)):
545 self.flatten_qmp_object(obj[i], output, basestr + str(i) + '.')
546 elif isinstance(obj, dict):
548 self.flatten_qmp_object(obj[key], output, basestr + key + '.')
550 output[basestr[:-1]] = obj # Strip trailing '.'
553 def qmp_to_opts(self, obj):
554 obj = self.flatten_qmp_object(obj)
557 output_list += [key + '=' + obj[key]]
558 return ','.join(output_list)
560 def get_qmp_events_filtered(self, wait=60.0):
562 for ev in self.get_qmp_events(wait=wait):
563 result.append(filter_qmp_event(ev))
566 def qmp_log(self, cmd, filters=[], indent=None, **kwargs):
567 full_cmd = OrderedDict((
569 ("arguments", ordered_qmp(kwargs))
571 log(full_cmd, filters, indent=indent)
572 result = self.qmp(cmd, **kwargs)
573 log(result, filters, indent=indent)
576 # Returns None on success, and an error string on failure
577 def run_job(self, job, auto_finalize=True, auto_dismiss=False,
578 pre_finalize=None, cancel=False, use_log=True, wait=60.0):
580 run_job moves a job from creation through to dismissal.
582 :param job: String. ID of recently-launched job
583 :param auto_finalize: Bool. True if the job was launched with
584 auto_finalize. Defaults to True.
585 :param auto_dismiss: Bool. True if the job was launched with
586 auto_dismiss=True. Defaults to False.
587 :param pre_finalize: Callback. A callable that takes no arguments to be
588 invoked prior to issuing job-finalize, if any.
589 :param cancel: Bool. When true, cancels the job after the pre_finalize
591 :param use_log: Bool. When false, does not log QMP messages.
592 :param wait: Float. Timeout value specifying how long to wait for any
593 event, in seconds. Defaults to 60.0.
595 match_device = {'data': {'device': job}}
596 match_id = {'data': {'id': job}}
598 ('BLOCK_JOB_COMPLETED', match_device),
599 ('BLOCK_JOB_CANCELLED', match_device),
600 ('BLOCK_JOB_ERROR', match_device),
601 ('BLOCK_JOB_READY', match_device),
602 ('BLOCK_JOB_PENDING', match_id),
603 ('JOB_STATUS_CHANGE', match_id)
607 ev = filter_qmp_event(self.events_wait(events))
608 if ev['event'] != 'JOB_STATUS_CHANGE':
612 status = ev['data']['status']
613 if status == 'aborting':
614 result = self.qmp('query-jobs')
615 for j in result['return']:
619 log('Job failed: %s' % (j['error']))
620 elif status == 'pending' and not auto_finalize:
623 if cancel and use_log:
624 self.qmp_log('job-cancel', id=job)
626 self.qmp('job-cancel', id=job)
628 self.qmp_log('job-finalize', id=job)
630 self.qmp('job-finalize', id=job)
631 elif status == 'concluded' and not auto_dismiss:
633 self.qmp_log('job-dismiss', id=job)
635 self.qmp('job-dismiss', id=job)
636 elif status == 'null':
639 def enable_migration_events(self, name):
640 log('Enabling migration QMP events on %s...' % name)
641 log(self.qmp('migrate-set-capabilities', capabilities=[
643 'capability': 'events',
648 def wait_migration(self):
650 event = self.event_wait('MIGRATION')
651 log(event, filters=[filter_qmp_event])
652 if event['data']['status'] == 'completed':
655 def node_info(self, node_name):
656 nodes = self.qmp('query-named-block-nodes')
657 for x in nodes['return']:
658 if x['node-name'] == node_name:
662 def query_bitmaps(self):
663 res = self.qmp("query-named-block-nodes")
664 return {device['node-name']: device['dirty-bitmaps']
665 for device in res['return'] if 'dirty-bitmaps' in device}
667 def get_bitmap(self, node_name, bitmap_name, recording=None, bitmaps=None):
669 get a specific bitmap from the object returned by query_bitmaps.
670 :param recording: If specified, filter results by the specified value.
671 :param bitmaps: If specified, use it instead of call query_bitmaps()
674 bitmaps = self.query_bitmaps()
676 for bitmap in bitmaps[node_name]:
677 if bitmap.get('name', '') == bitmap_name:
678 if recording is None:
680 elif bitmap.get('recording') == recording:
684 def check_bitmap_status(self, node_name, bitmap_name, fields):
685 ret = self.get_bitmap(node_name, bitmap_name)
687 return fields.items() <= ret.items()
690 index_re = re.compile(r'([^\[]+)\[([^\]]+)\]')
692 class QMPTestCase(unittest.TestCase):
693 '''Abstract base class for QMP test cases'''
695 def dictpath(self, d, path):
696 '''Traverse a path in a nested dict'''
697 for component in path.split('/'):
698 m = index_re.match(component)
700 component, idx = m.groups()
703 if not isinstance(d, dict) or component not in d:
704 self.fail('failed path traversal for "%s" in "%s"' % (path, str(d)))
708 if not isinstance(d, list):
709 self.fail('path component "%s" in "%s" is not a list in "%s"' % (component, path, str(d)))
713 self.fail('invalid index "%s" in path "%s" in "%s"' % (idx, path, str(d)))
716 def assert_qmp_absent(self, d, path):
718 result = self.dictpath(d, path)
719 except AssertionError:
721 self.fail('path "%s" has value "%s"' % (path, str(result)))
723 def assert_qmp(self, d, path, value):
724 '''Assert that the value for a specific path in a QMP dict
725 matches. When given a list of values, assert that any of
728 result = self.dictpath(d, path)
730 # [] makes no sense as a list of valid values, so treat it as
731 # an actual single value.
732 if isinstance(value, list) and value != []:
736 self.fail('no match for "%s" in %s' % (str(result), str(value)))
738 self.assertEqual(result, value,
739 '"%s" is "%s", expected "%s"'
740 % (path, str(result), str(value)))
742 def assert_no_active_block_jobs(self):
743 result = self.vm.qmp('query-block-jobs')
744 self.assert_qmp(result, 'return', [])
746 def assert_has_block_node(self, node_name=None, file_name=None):
747 """Issue a query-named-block-nodes and assert node_name and/or
748 file_name is present in the result"""
749 def check_equal_or_none(a, b):
750 return a == None or b == None or a == b
751 assert node_name or file_name
752 result = self.vm.qmp('query-named-block-nodes')
753 for x in result["return"]:
754 if check_equal_or_none(x.get("node-name"), node_name) and \
755 check_equal_or_none(x.get("file"), file_name):
757 self.assertTrue(False, "Cannot find %s %s in result:\n%s" % \
758 (node_name, file_name, result))
760 def assert_json_filename_equal(self, json_filename, reference):
761 '''Asserts that the given filename is a json: filename and that its
762 content is equal to the given reference object'''
763 self.assertEqual(json_filename[:5], 'json:')
764 self.assertEqual(self.vm.flatten_qmp_object(json.loads(json_filename[5:])),
765 self.vm.flatten_qmp_object(reference))
767 def cancel_and_wait(self, drive='drive0', force=False, resume=False, wait=60.0):
768 '''Cancel a block job and wait for it to finish, returning the event'''
769 result = self.vm.qmp('block-job-cancel', device=drive, force=force)
770 self.assert_qmp(result, 'return', {})
773 self.vm.resume_drive(drive)
778 for event in self.vm.get_qmp_events(wait=wait):
779 if event['event'] == 'BLOCK_JOB_COMPLETED' or \
780 event['event'] == 'BLOCK_JOB_CANCELLED':
781 self.assert_qmp(event, 'data/device', drive)
784 elif event['event'] == 'JOB_STATUS_CHANGE':
785 self.assert_qmp(event, 'data/id', drive)
788 self.assert_no_active_block_jobs()
791 def wait_until_completed(self, drive='drive0', check_offset=True, wait=60.0):
792 '''Wait for a block job to finish, returning the event'''
794 for event in self.vm.get_qmp_events(wait=wait):
795 if event['event'] == 'BLOCK_JOB_COMPLETED':
796 self.assert_qmp(event, 'data/device', drive)
797 self.assert_qmp_absent(event, 'data/error')
799 self.assert_qmp(event, 'data/offset', event['data']['len'])
800 self.assert_no_active_block_jobs()
802 elif event['event'] == 'JOB_STATUS_CHANGE':
803 self.assert_qmp(event, 'data/id', drive)
805 def wait_ready(self, drive='drive0'):
806 '''Wait until a block job BLOCK_JOB_READY event'''
807 f = {'data': {'type': 'mirror', 'device': drive } }
808 event = self.vm.event_wait(name='BLOCK_JOB_READY', match=f)
810 def wait_ready_and_cancel(self, drive='drive0'):
811 self.wait_ready(drive=drive)
812 event = self.cancel_and_wait(drive=drive)
813 self.assertEqual(event['event'], 'BLOCK_JOB_COMPLETED')
814 self.assert_qmp(event, 'data/type', 'mirror')
815 self.assert_qmp(event, 'data/offset', event['data']['len'])
817 def complete_and_wait(self, drive='drive0', wait_ready=True):
818 '''Complete a block job and wait for it to finish'''
820 self.wait_ready(drive=drive)
822 result = self.vm.qmp('block-job-complete', device=drive)
823 self.assert_qmp(result, 'return', {})
825 event = self.wait_until_completed(drive=drive)
826 self.assert_qmp(event, 'data/type', 'mirror')
828 def pause_wait(self, job_id='job0'):
829 with Timeout(1, "Timeout waiting for job to pause"):
831 result = self.vm.qmp('query-block-jobs')
833 for job in result['return']:
834 if job['device'] == job_id:
836 if job['paused'] == True and job['busy'] == False:
841 def pause_job(self, job_id='job0', wait=True):
842 result = self.vm.qmp('block-job-pause', device=job_id)
843 self.assert_qmp(result, 'return', {})
845 return self.pause_wait(job_id)
848 def case_skip(self, reason):
849 '''Skip this test case'''
851 self.skipTest(reason)
855 '''Skip this test suite'''
856 # Each test in qemu-iotests has a number ("seq")
857 seq = os.path.basename(sys.argv[0])
859 open('%s/%s.notrun' % (output_dir, seq), 'w').write(reason + '\n')
860 print('%s not run: %s' % (seq, reason))
863 def case_notrun(reason):
864 '''Mark this test case as not having been run (without actually
865 skipping it, that is left to the caller). See
866 QMPTestCase.case_skip() for a variant that actually skips the
867 current test case.'''
869 # Each test in qemu-iotests has a number ("seq")
870 seq = os.path.basename(sys.argv[0])
872 open('%s/%s.casenotrun' % (output_dir, seq), 'a').write(
873 ' [case not run] ' + reason + '\n')
875 def verify_image_format(supported_fmts=[], unsupported_fmts=[]):
876 assert not (supported_fmts and unsupported_fmts)
878 if 'generic' in supported_fmts and \
879 os.environ.get('IMGFMT_GENERIC', 'true') == 'true':
881 # _supported_fmt generic
885 not_sup = supported_fmts and (imgfmt not in supported_fmts)
886 if not_sup or (imgfmt in unsupported_fmts):
887 notrun('not suitable for this image format: %s' % imgfmt)
889 def verify_protocol(supported=[], unsupported=[]):
890 assert not (supported and unsupported)
892 if 'generic' in supported:
895 not_sup = supported and (imgproto not in supported)
896 if not_sup or (imgproto in unsupported):
897 notrun('not suitable for this protocol: %s' % imgproto)
899 def verify_platform(supported_oses=['linux']):
900 if True not in [sys.platform.startswith(x) for x in supported_oses]:
901 notrun('not suitable for this OS: %s' % sys.platform)
903 def verify_cache_mode(supported_cache_modes=[]):
904 if supported_cache_modes and (cachemode not in supported_cache_modes):
905 notrun('not suitable for this cache mode: %s' % cachemode)
907 def supports_quorum():
908 return 'quorum' in qemu_img_pipe('--help')
911 '''Skip test suite if quorum support is not available'''
912 if not supports_quorum():
913 notrun('quorum support missing')
915 def qemu_pipe(*args):
916 '''Run qemu with an option to print something and exit (e.g. a help option),
917 and return its output'''
918 args = [qemu_prog] + qemu_opts + list(args)
919 subp = subprocess.Popen(args, stdout=subprocess.PIPE,
920 stderr=subprocess.STDOUT,
921 universal_newlines=True)
922 exitcode = subp.wait()
924 sys.stderr.write('qemu received signal %i: %s\n' % (-exitcode,
926 return subp.communicate()[0]
928 def supported_formats(read_only=False):
929 '''Set 'read_only' to True to check ro-whitelist
930 Otherwise, rw-whitelist is checked'''
932 if not hasattr(supported_formats, "formats"):
933 supported_formats.formats = {}
935 if read_only not in supported_formats.formats:
936 format_message = qemu_pipe("-drive", "format=help")
937 line = 1 if read_only else 0
938 supported_formats.formats[read_only] = \
939 format_message.splitlines()[line].split(":")[1].split()
941 return supported_formats.formats[read_only]
943 def skip_if_unsupported(required_formats=[], read_only=False):
944 '''Skip Test Decorator
945 Runs the test if all the required formats are whitelisted'''
946 def skip_test_decorator(func):
947 def func_wrapper(test_case: QMPTestCase, *args, **kwargs):
948 if callable(required_formats):
949 fmts = required_formats(test_case)
951 fmts = required_formats
953 usf_list = list(set(fmts) - set(supported_formats(read_only)))
955 test_case.case_skip('{}: formats {} are not whitelisted'.format(
956 test_case, usf_list))
958 return func(test_case, *args, **kwargs)
960 return skip_test_decorator
962 def skip_if_user_is_root(func):
963 '''Skip Test Decorator
964 Runs the test only without root permissions'''
965 def func_wrapper(*args, **kwargs):
967 case_notrun('{}: cannot be run as root'.format(args[0]))
969 return func(*args, **kwargs)
972 def execute_unittest(output, verbosity, debug):
973 runner = unittest.TextTestRunner(stream=output, descriptions=True,
976 # unittest.main() will use sys.exit(); so expect a SystemExit
978 unittest.main(testRunner=runner)
981 out = output.getvalue()
982 out = re.sub(r'Ran (\d+) tests? in [\d.]+s', r'Ran \1 tests', out)
984 # Hide skipped tests from the reference output
985 out = re.sub(r'OK \(skipped=\d+\)', 'OK', out)
986 out_first_line, out_rest = out.split('\n', 1)
987 out = out_first_line.replace('s', '.') + '\n' + out_rest
989 sys.stderr.write(out)
991 def execute_test(test_function=None,
992 supported_fmts=[], supported_oses=['linux'],
993 supported_cache_modes=[], unsupported_fmts=[],
994 supported_protocols=[], unsupported_protocols=[]):
995 """Run either unittest or script-style tests."""
997 # We are using TEST_DIR and QEMU_DEFAULT_MACHINE as proxies to
998 # indicate that we're not being run via "check". There may be
999 # other things set up by "check" that individual test cases rely
1001 if test_dir is None or qemu_default_machine is None:
1002 sys.stderr.write('Please run this test via the "check" script\n')
1003 sys.exit(os.EX_USAGE)
1005 debug = '-d' in sys.argv
1007 verify_image_format(supported_fmts, unsupported_fmts)
1008 verify_protocol(supported_protocols, unsupported_protocols)
1009 verify_platform(supported_oses)
1010 verify_cache_mode(supported_cache_modes)
1015 sys.argv.remove('-d')
1017 # We need to filter out the time taken from the output so that
1018 # qemu-iotest can reliably diff the results against master output.
1019 output = io.StringIO()
1021 logging.basicConfig(level=(logging.DEBUG if debug else logging.WARN))
1023 if not test_function:
1024 execute_unittest(output, verbosity, debug)
1028 def script_main(test_function, *args, **kwargs):
1029 """Run script-style tests outside of the unittest framework"""
1030 execute_test(test_function, *args, **kwargs)
1032 def main(*args, **kwargs):
1033 """Run tests using the unittest framework"""
1034 execute_test(None, *args, **kwargs)