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How to use umount method in lisa
Best Python code snippet using lisa_python
test_mount.py
Source:test_mount.py 
...156 self.test.mock_rmdir = self.useFixture(fixtures.MockPatch(157 'nova.privsep.path.rmdir')).mock158 def _fake_mount(self, fstype, export, mountpoint, options):159 self.mounts.add(mountpoint)160 def _fake_umount(self, mountpoint):161 self.mounts.remove(mountpoint)162 def _fake_ismount(self, mountpoint):163 return mountpoint in self.mounts164class HostMountStateTestCase(test.NoDBTestCase):165 def setUp(self):166 super(HostMountStateTestCase, self).setUp()167 self.mountfixture = self.useFixture(MountFixture(self))168 def test_init(self):169 # Test that we initialise the state of MountManager correctly at170 # startup171 def fake_disk(disk):172 libvirt_disk = libvirt_config.LibvirtConfigGuestDisk()173 libvirt_disk.source_type = disk[0]174 libvirt_disk.source_path = os.path.join(*disk[1])175 return libvirt_disk176 def mock_guest(uuid, disks):177 guest = mock.create_autospec(libvirt_guest.Guest)178 guest.uuid = uuid179 guest.get_all_disks.return_value = map(fake_disk, disks)180 return guest181 local_dir = '/local'182 mountpoint_a = '/mnt/a'183 mountpoint_b = '/mnt/b'184 self.mounts.add(mountpoint_a)185 self.mounts.add(mountpoint_b)186 guests = map(mock_guest, [uuids.instance_a, uuids.instance_b], [187 # Local file root disk and a volume on each of mountpoints a and b188 [189 ('file', (local_dir, uuids.instance_a, 'disk')),190 ('file', (mountpoint_a, 'vola1')),191 ('file', (mountpoint_b, 'volb1')),192 ],193 # Local LVM root disk and a volume on each of mountpoints a and b194 [195 ('block', ('/dev', 'vg', uuids.instance_b + '_disk')),196 ('file', (mountpoint_a, 'vola2')),197 ('file', (mountpoint_b, 'volb2')),198 ]199 ])200 host = mock.create_autospec(libvirt_host.Host)201 host.list_guests.return_value = guests202 m = mount._HostMountState(host, 0)203 self.assertEqual([mountpoint_a, mountpoint_b],204 sorted(m.mountpoints.keys()))205 self.assertSetEqual(set([('vola1', uuids.instance_a),206 ('vola2', uuids.instance_b)]),207 m.mountpoints[mountpoint_a].attachments)208 self.assertSetEqual(set([('volb1', uuids.instance_a),209 ('volb2', uuids.instance_b)]),210 m.mountpoints[mountpoint_b].attachments)211 @staticmethod212 def _get_clean_hostmountstate():213 # list_guests returns no guests: _HostMountState initial state is214 # clean.215 host = mock.create_autospec(libvirt_host.Host)216 host.list_guests.return_value = []217 return mount._HostMountState(host, 0)218 def _sentinel_mount(self, m, vol, mountpoint=mock.sentinel.mountpoint,219 instance=None):220 if instance is None:221 instance = mock.sentinel.instance222 instance.uuid = uuids.instance223 m.mount(mock.sentinel.fstype, mock.sentinel.export,224 vol, mountpoint, instance,225 [mock.sentinel.option1, mock.sentinel.option2])226 def _sentinel_umount(self, m, vol, mountpoint=mock.sentinel.mountpoint,227 instance=mock.sentinel.instance):228 m.umount(vol, mountpoint, instance)229 def test_mount_umount(self):230 # Mount 2 different volumes from the same export. Test that we only231 # mount and umount once.232 m = self._get_clean_hostmountstate()233 # Mount vol_a from export234 self._sentinel_mount(m, mock.sentinel.vol_a)235 self.mock_ensure_tree.assert_has_calls([236 mock.call(mock.sentinel.mountpoint)])237 self.mock_mount.assert_has_calls([238 mock.call(mock.sentinel.fstype,239 mock.sentinel.export, mock.sentinel.mountpoint,240 [mock.sentinel.option1, mock.sentinel.option2])])241 # Mount vol_b from export. We shouldn't have mounted again242 self._sentinel_mount(m, mock.sentinel.vol_b)243 self.mock_ensure_tree.assert_has_calls([244 mock.call(mock.sentinel.mountpoint)])245 self.mock_mount.assert_has_calls([246 mock.call(mock.sentinel.fstype,247 mock.sentinel.export, mock.sentinel.mountpoint,248 [mock.sentinel.option1, mock.sentinel.option2])])249 # Unmount vol_a. We shouldn't have unmounted250 self._sentinel_umount(m, mock.sentinel.vol_a)251 self.mock_ensure_tree.assert_has_calls([252 mock.call(mock.sentinel.mountpoint)])253 self.mock_mount.assert_has_calls([254 mock.call(mock.sentinel.fstype,255 mock.sentinel.export, mock.sentinel.mountpoint,256 [mock.sentinel.option1, mock.sentinel.option2])])257 # Unmount vol_b. We should have umounted.258 self._sentinel_umount(m, mock.sentinel.vol_b)259 self.mock_ensure_tree.assert_has_calls([260 mock.call(mock.sentinel.mountpoint)])261 self.mock_mount.assert_has_calls([262 mock.call(mock.sentinel.fstype,263 mock.sentinel.export, mock.sentinel.mountpoint,264 [mock.sentinel.option1, mock.sentinel.option2])])265 self.mock_umount.assert_has_calls([266 mock.call(mock.sentinel.mountpoint)])267 self.mock_rmdir.assert_has_calls([268 mock.call(mock.sentinel.mountpoint)])269 def test_mount_umount_multi_attach(self):270 # Mount a volume from a single export for 2 different instances. Test271 # that we only mount and umount once.272 m = self._get_clean_hostmountstate()273 instance_a = mock.sentinel.instance_a274 instance_a.uuid = uuids.instance_a275 instance_b = mock.sentinel.instance_b276 instance_b.uuid = uuids.instance_b277 # Mount vol_a for instance_a278 self._sentinel_mount(m, mock.sentinel.vol_a, instance=instance_a)279 self.mock_mount.assert_has_calls([280 mock.call(mock.sentinel.fstype, mock.sentinel.export,281 mock.sentinel.mountpoint,282 [mock.sentinel.option1, mock.sentinel.option2])])283 self.mock_mount.reset_mock()284 # Mount vol_a for instance_b. We shouldn't have mounted again285 self._sentinel_mount(m, mock.sentinel.vol_a, instance=instance_b)286 self.mock_mount.assert_not_called()287 # Unmount vol_a for instance_a. We shouldn't have unmounted288 self._sentinel_umount(m, mock.sentinel.vol_a, instance=instance_a)289 self.mock_umount.assert_not_called()290 # Unmount vol_a for instance_b. We should have umounted.291 self._sentinel_umount(m, mock.sentinel.vol_a, instance=instance_b)292 self.mock_umount.assert_has_calls(293 [mock.call(mock.sentinel.mountpoint)])294 def test_mount_concurrent(self):295 # This is 2 tests in 1, because the first test is the precondition296 # for the second.297 # The first test is that if 2 threads call mount simultaneously,298 # only one of them will do the mount299 # The second test is that we correctly handle the case where we300 # delete a lock after umount. During the umount of the first test,301 # which will delete the lock when it completes, we start 2 more302 # threads which both call mount. These threads are holding a lock303 # which is about to be deleted. We test that they still don't race,304 # and only one of them calls mount.305 m = self._get_clean_hostmountstate()306 def mount_a():307 # Mount vol_a from export308 self._sentinel_mount(m, mock.sentinel.vol_a)309 ThreadController.current().waitpoint('mounted')310 self._sentinel_umount(m, mock.sentinel.vol_a)311 def mount_b():312 # Mount vol_b from export313 self._sentinel_mount(m, mock.sentinel.vol_b)314 self._sentinel_umount(m, mock.sentinel.vol_b)315 def mount_c():316 self._sentinel_mount(m, mock.sentinel.vol_c)317 def mount_d():318 self._sentinel_mount(m, mock.sentinel.vol_d)319 ctl_a = ThreadController(mount_a)320 ctl_b = ThreadController(mount_b)321 ctl_c = ThreadController(mount_c)322 ctl_d = ThreadController(mount_d)323 def trap_mount(*args, **kwargs):324 # Conditionally wait at a waitpoint named after the command325 # we're executing326 self.mountfixture._fake_mount(*args, **kwargs)327 ThreadController.current().waitpoint('mount')328 def trap_umount(*args, **kwargs):329 # Conditionally wait at a waitpoint named after the command330 # we're executing331 self.mountfixture._fake_umount(*args, **kwargs)332 ThreadController.current().waitpoint('umount')333 self.mock_mount.side_effect = trap_mount334 self.mock_umount.side_effect = trap_umount335 # Run the first thread until it's blocked while calling mount336 ctl_a.runto('mount')337 self.mock_ensure_tree.assert_has_calls([338 mock.call(mock.sentinel.mountpoint)])339 self.mock_mount.assert_has_calls([340 mock.call(mock.sentinel.fstype, mock.sentinel.export,341 mock.sentinel.mountpoint,342 [mock.sentinel.option1, mock.sentinel.option2])])343 # Start the second mount, and ensure it's got plenty of opportunity344 # to race.345 ctl_b.start()346 time.sleep(0.01)347 self.mock_ensure_tree.assert_has_calls([348 mock.call(mock.sentinel.mountpoint)])349 self.mock_mount.assert_has_calls([350 mock.call(mock.sentinel.fstype, mock.sentinel.export,351 mock.sentinel.mountpoint,352 [mock.sentinel.option1, mock.sentinel.option2])])353 self.mock_umount.assert_not_called()354 # Allow ctl_a to complete its mount355 ctl_a.runto('mounted')356 self.mock_ensure_tree.assert_has_calls([357 mock.call(mock.sentinel.mountpoint)])358 self.mock_mount.assert_has_calls([359 mock.call(mock.sentinel.fstype, mock.sentinel.export,360 mock.sentinel.mountpoint,361 [mock.sentinel.option1, mock.sentinel.option2])])362 self.mock_umount.assert_not_called()363 # Allow ctl_b to finish. We should not have done a umount364 ctl_b.finish()365 self.mock_ensure_tree.assert_has_calls([366 mock.call(mock.sentinel.mountpoint)])367 self.mock_mount.assert_has_calls([368 mock.call(mock.sentinel.fstype, mock.sentinel.export,369 mock.sentinel.mountpoint,370 [mock.sentinel.option1, mock.sentinel.option2])])371 self.mock_umount.assert_not_called()372 # Allow ctl_a to start umounting. We haven't executed rmdir yet,373 # because we've blocked during umount374 ctl_a.runto('umount')375 self.mock_ensure_tree.assert_has_calls([376 mock.call(mock.sentinel.mountpoint)])377 self.mock_mount.assert_has_calls([378 mock.call(mock.sentinel.fstype, mock.sentinel.export,379 mock.sentinel.mountpoint,380 [mock.sentinel.option1, mock.sentinel.option2])])381 self.mock_umount.assert_has_calls(382 [mock.call(mock.sentinel.mountpoint)])383 self.mock_rmdir.assert_not_called()384 # While ctl_a is umounting, simultaneously start both ctl_c and385 # ctl_d, and ensure they have an opportunity to race386 ctl_c.start()387 ctl_d.start()388 time.sleep(0.01)389 # Allow a, c, and d to complete390 for ctl in (ctl_a, ctl_c, ctl_d):391 ctl.finish()392 # We should have completed the previous umount, then remounted393 # exactly once394 self.mock_ensure_tree.assert_has_calls([395 mock.call(mock.sentinel.mountpoint)])396 self.mock_mount.assert_has_calls([397 mock.call(mock.sentinel.fstype, mock.sentinel.export,398 mock.sentinel.mountpoint,399 [mock.sentinel.option1, mock.sentinel.option2]),400 mock.call(mock.sentinel.fstype, mock.sentinel.export,401 mock.sentinel.mountpoint,402 [mock.sentinel.option1, mock.sentinel.option2])])403 self.mock_umount.assert_has_calls(404 [mock.call(mock.sentinel.mountpoint)])405 def test_mount_concurrent_no_interfere(self):406 # Test that concurrent calls to mount volumes in different exports407 # run concurrently408 m = self._get_clean_hostmountstate()409 def mount_a():410 # Mount vol on mountpoint a411 self._sentinel_mount(m, mock.sentinel.vol,412 mock.sentinel.mountpoint_a)413 ThreadController.current().waitpoint('mounted')414 self._sentinel_umount(m, mock.sentinel.vol,415 mock.sentinel.mountpoint_a)416 def mount_b():417 # Mount vol on mountpoint b418 self._sentinel_mount(m, mock.sentinel.vol,419 mock.sentinel.mountpoint_b)420 self._sentinel_umount(m, mock.sentinel.vol,421 mock.sentinel.mountpoint_b)422 ctl_a = ThreadController(mount_a)423 ctl_b = ThreadController(mount_b)424 ctl_a.runto('mounted')425 self.mock_mount.assert_has_calls([426 mock.call(mock.sentinel.fstype, mock.sentinel.export,427 mock.sentinel.mountpoint_a,428 [mock.sentinel.option1, mock.sentinel.option2])])429 self.mock_mount.reset_mock()430 ctl_b.finish()431 self.mock_mount.assert_has_calls([432 mock.call(mock.sentinel.fstype, mock.sentinel.export,433 mock.sentinel.mountpoint_b,434 [mock.sentinel.option1, mock.sentinel.option2])])435 self.mock_umount.assert_has_calls(436 [mock.call(mock.sentinel.mountpoint_b)])437 self.mock_umount.reset_mock()438 ctl_a.finish()439 self.mock_umount.assert_has_calls(440 [mock.call(mock.sentinel.mountpoint_a)])441 def test_mount_after_failed_umount(self):442 # Test that MountManager correctly tracks state when umount fails.443 # Test that when umount fails a subsequent mount doesn't try to444 # remount it.445 m = self._get_clean_hostmountstate()446 self.mock_umount.side_effect = processutils.ProcessExecutionError447 # Mount vol_a448 self._sentinel_mount(m, mock.sentinel.vol_a)449 self.mock_mount.assert_has_calls([450 mock.call(mock.sentinel.fstype, mock.sentinel.export,451 mock.sentinel.mountpoint,452 [mock.sentinel.option1, mock.sentinel.option2])])453 self.mock_mount.reset_mock()454 # Umount vol_a. The umount command will fail.455 self._sentinel_umount(m, mock.sentinel.vol_a)456 self.mock_umount.assert_has_calls(457 [mock.call(mock.sentinel.mountpoint)])458 # We should not have called rmdir, because umount failed459 self.mock_rmdir.assert_not_called()460 # Mount vol_a again. We should not have called mount, because umount461 # failed.462 self._sentinel_mount(m, mock.sentinel.vol_a)463 self.mock_mount.assert_not_called()464 # Prevent future failure of umount465 self.mock_umount.side_effect = self.mountfixture._fake_umount466 # Umount vol_a successfully467 self._sentinel_umount(m, mock.sentinel.vol_a)468 self.mock_umount.assert_has_calls(469 [mock.call(mock.sentinel.mountpoint)])470 @mock.patch.object(mount.LOG, 'error')471 def test_umount_log_failure(self, mock_log):472 self.mock_umount.side_effect = processutils.ProcessExecutionError(473 None, None, None, 'umount', 'umount: device is busy.')474 m = self._get_clean_hostmountstate()475 self._sentinel_mount(m, mock.sentinel.vol_a)476 self._sentinel_umount(m, mock.sentinel.vol_a)477 mock_log.assert_called()478class MountManagerTestCase(test.NoDBTestCase):479 class FakeHostMountState(object):480 def __init__(self, host, generation):481 self.host = host482 self.generation = generation483 ctl = ThreadController.current()484 if ctl is not None:485 ctl.waitpoint('init')486 def setUp(self):487 super(MountManagerTestCase, self).setUp()488 self.useFixture(fixtures.MonkeyPatch(489 'nova.virt.libvirt.volume.mount._HostMountState',490 self.FakeHostMountState))...
mountsnoop.py
Source:mountsnoop.py
...123 event.retval = PT_REGS_RC(ctx);124 events.perf_submit(ctx, &event, sizeof(event));125 return 0;126}127int syscall__umount(struct pt_regs *ctx, char __user *target, int flags)128{129 struct data_t event = {};130 struct task_struct *task;131 struct nsproxy *nsproxy;132 struct mnt_namespace *mnt_ns;133 event.pid = bpf_get_current_pid_tgid() & 0xffffffff;134 event.tgid = bpf_get_current_pid_tgid() >> 32;135 event.type = EVENT_UMOUNT;136 bpf_get_current_comm(event.enter.comm, sizeof(event.enter.comm));137 event.enter.flags = flags;138 task = (struct task_struct *)bpf_get_current_task();139 nsproxy = task->nsproxy;140 mnt_ns = nsproxy->mnt_ns;141 event.enter.mnt_ns = mnt_ns->ns.inum;142 events.perf_submit(ctx, &event, sizeof(event));143 event.type = EVENT_UMOUNT_TARGET;144 __builtin_memset(event.str, 0, sizeof(event.str));145 bpf_probe_read(event.str, sizeof(event.str), target);146 events.perf_submit(ctx, &event, sizeof(event));147 return 0;148}149int do_ret_sys_umount(struct pt_regs *ctx)150{151 struct data_t event = {};152 event.type = EVENT_UMOUNT_RET;153 event.pid = bpf_get_current_pid_tgid() & 0xffffffff;154 event.tgid = bpf_get_current_pid_tgid() >> 32;155 event.retval = PT_REGS_RC(ctx);156 events.perf_submit(ctx, &event, sizeof(event));157 return 0;158}159"""160# sys/mount.h161MS_MGC_VAL = 0xc0ed0000162MS_MGC_MSK = 0xffff0000163MOUNT_FLAGS = [164 ('MS_RDONLY', 1),165 ('MS_NOSUID', 2),166 ('MS_NODEV', 4),167 ('MS_NOEXEC', 8),168 ('MS_SYNCHRONOUS', 16),169 ('MS_REMOUNT', 32),170 ('MS_MANDLOCK', 64),171 ('MS_DIRSYNC', 128),172 ('MS_NOATIME', 1024),173 ('MS_NODIRATIME', 2048),174 ('MS_BIND', 4096),175 ('MS_MOVE', 8192),176 ('MS_REC', 16384),177 ('MS_SILENT', 32768),178 ('MS_POSIXACL', 1 << 16),179 ('MS_UNBINDABLE', 1 << 17),180 ('MS_PRIVATE', 1 << 18),181 ('MS_SLAVE', 1 << 19),182 ('MS_SHARED', 1 << 20),183 ('MS_RELATIME', 1 << 21),184 ('MS_KERNMOUNT', 1 << 22),185 ('MS_I_VERSION', 1 << 23),186 ('MS_STRICTATIME', 1 << 24),187 ('MS_LAZYTIME', 1 << 25),188 ('MS_ACTIVE', 1 << 30),189 ('MS_NOUSER', 1 << 31),190]191UMOUNT_FLAGS = [192 ('MNT_FORCE', 1),193 ('MNT_DETACH', 2),194 ('MNT_EXPIRE', 4),195 ('UMOUNT_NOFOLLOW', 8),196]197TASK_COMM_LEN = 16 # linux/sched.h198MAX_STR_LEN = 412199class EventType(object):200 EVENT_MOUNT = 0201 EVENT_MOUNT_SOURCE = 1202 EVENT_MOUNT_TARGET = 2203 EVENT_MOUNT_TYPE = 3204 EVENT_MOUNT_DATA = 4205 EVENT_MOUNT_RET = 5206 EVENT_UMOUNT = 6207 EVENT_UMOUNT_TARGET = 7208 EVENT_UMOUNT_RET = 8209class EnterData(ctypes.Structure):210 _fields_ = [211 ('mnt_ns', ctypes.c_uint),212 ('comm', ctypes.c_char * TASK_COMM_LEN),213 ('flags', ctypes.c_ulong),214 ]215class DataUnion(ctypes.Union):216 _fields_ = [217 ('enter', EnterData),218 ('str', ctypes.c_char * MAX_STR_LEN),219 ('retval', ctypes.c_int),220 ]221class Event(ctypes.Structure):222 _fields_ = [223 ('type', ctypes.c_uint),224 ('pid', ctypes.c_uint),225 ('tgid', ctypes.c_uint),226 ('union', DataUnion),227 ]228def _decode_flags(flags, flag_list):229 str_flags = []230 for flag, bit in flag_list:231 if flags & bit:232 str_flags.append(flag)233 flags &= ~bit234 if flags or not str_flags:235 str_flags.append('0x{:x}'.format(flags))236 return str_flags237def decode_flags(flags, flag_list):238 return '|'.join(_decode_flags(flags, flag_list))239def decode_mount_flags(flags):240 str_flags = []241 if flags & MS_MGC_MSK == MS_MGC_VAL:242 flags &= ~MS_MGC_MSK243 str_flags.append('MS_MGC_VAL')244 str_flags.extend(_decode_flags(flags, MOUNT_FLAGS))245 return '|'.join(str_flags)246def decode_umount_flags(flags):247 return decode_flags(flags, UMOUNT_FLAGS)248def decode_errno(retval):249 try:250 return '-' + errno.errorcode[-retval]251 except KeyError:252 return str(retval)253_escape_chars = {254 ord('\a'): '\\a',255 ord('\b'): '\\b',256 ord('\t'): '\\t',257 ord('\n'): '\\n',258 ord('\v'): '\\v',259 ord('\f'): '\\f',260 ord('\r'): '\\r',261 ord('"'): '\\"',262 ord('\\'): '\\\\',263}264def escape_character(c):265 try:266 return _escape_chars[c]267 except KeyError:268 if 0x20 <= c <= 0x7e:269 return chr(c)270 else:271 return '\\x{:02x}'.format(c)272if sys.version_info.major < 3:273 def decode_mount_string(s):274 return '"{}"'.format(''.join(escape_character(ord(c)) for c in s))275else:276 def decode_mount_string(s):277 return '"{}"'.format(''.join(escape_character(c) for c in s))278def print_event(mounts, umounts, cpu, data, size):279 event = ctypes.cast(data, ctypes.POINTER(Event)).contents280 try:281 if event.type == EventType.EVENT_MOUNT:282 mounts[event.pid] = {283 'pid': event.pid,284 'tgid': event.tgid,285 'mnt_ns': event.union.enter.mnt_ns,286 'comm': event.union.enter.comm,287 'flags': event.union.enter.flags,288 }289 elif event.type == EventType.EVENT_MOUNT_SOURCE:290 mounts[event.pid]['source'] = event.union.str291 elif event.type == EventType.EVENT_MOUNT_TARGET:292 mounts[event.pid]['target'] = event.union.str293 elif event.type == EventType.EVENT_MOUNT_TYPE:294 mounts[event.pid]['type'] = event.union.str295 elif event.type == EventType.EVENT_MOUNT_DATA:296 # XXX: data is not always a NUL-terminated string297 mounts[event.pid]['data'] = event.union.str298 elif event.type == EventType.EVENT_UMOUNT:299 umounts[event.pid] = {300 'pid': event.pid,301 'tgid': event.tgid,302 'mnt_ns': event.union.enter.mnt_ns,303 'comm': event.union.enter.comm,304 'flags': event.union.enter.flags,305 }306 elif event.type == EventType.EVENT_UMOUNT_TARGET:307 umounts[event.pid]['target'] = event.union.str308 elif (event.type == EventType.EVENT_MOUNT_RET or309 event.type == EventType.EVENT_UMOUNT_RET):310 if event.type == EventType.EVENT_MOUNT_RET:311 syscall = mounts.pop(event.pid)312 call = ('mount({source}, {target}, {type}, {flags}, {data}) ' +313 '= {retval}').format(314 source=decode_mount_string(syscall['source']),315 target=decode_mount_string(syscall['target']),316 type=decode_mount_string(syscall['type']),317 flags=decode_mount_flags(syscall['flags']),318 data=decode_mount_string(syscall['data']),319 retval=decode_errno(event.union.retval))320 else:321 syscall = umounts.pop(event.pid)322 call = 'umount({target}, {flags}) = {retval}'.format(323 target=decode_mount_string(syscall['target']),324 flags=decode_umount_flags(syscall['flags']),325 retval=decode_errno(event.union.retval))326 print('{:16} {:<7} {:<7} {:<11} {}'.format(327 syscall['comm'].decode('utf-8', 'replace'), syscall['tgid'],328 syscall['pid'], syscall['mnt_ns'], call))329 except KeyError:330 # This might happen if we lost an event.331 pass332def main():333 parser = argparse.ArgumentParser(334 description='trace mount() and umount() syscalls'335 )336 parser.add_argument("--ebpf", action="store_true",337 help=argparse.SUPPRESS)338 args = parser.parse_args()339 mounts = {}340 umounts = {}341 if args.ebpf:342 print(bpf_text)343 exit()344 b = bcc.BPF(text=bpf_text)345 mount_fnname = b.get_syscall_fnname("mount")346 b.attach_kprobe(event=mount_fnname, fn_name="syscall__mount")347 b.attach_kretprobe(event=mount_fnname, fn_name="do_ret_sys_mount")348 umount_fnname = b.get_syscall_fnname("umount")...
mount_manager_test.py
Source:mount_manager_test.py
...52 ):53 mock_command.side_effect = Exception54 mock_mounted.return_value = True55 with self._caplog.at_level(logging.WARNING):56 assert self.mount_manager.umount(raise_on_busy=False) is False57 assert mock_command.call_args_list == [58 call(['umount', '/some/mountpoint']), # 159 call(['umount', '/some/mountpoint']), # 260 call(['umount', '/some/mountpoint']), # 361 call(['umount', '/some/mountpoint']), # 462 call(['umount', '/some/mountpoint']), # 563 call(['umount', '/some/mountpoint']), # 664 call(['umount', '/some/mountpoint']), # 765 call(['umount', '/some/mountpoint']), # 866 call(['umount', '/some/mountpoint']), # 967 call(['umount', '/some/mountpoint']) # 1068 ]69 @patch('kiwi.mount_manager.Command.run')70 @patch('kiwi.mount_manager.MountManager.is_mounted')71 @patch('time.sleep')72 @patch('kiwi.mount_manager.Path.which')73 def test_umount_with_errors_raises_no_lsof_present(74 self, mock_Path_which, mock_sleep, mock_mounted, mock_command75 ):76 def command_call(args):77 if 'umount' in args:78 raise Exception79 mock_Path_which.return_value = None80 mock_command.side_effect = command_call81 mock_mounted.return_value = True82 with raises(KiwiUmountBusyError):83 self.mount_manager.umount()84 @patch('kiwi.mount_manager.Command.run')85 @patch('kiwi.mount_manager.MountManager.is_mounted')86 @patch('time.sleep')87 @patch('kiwi.mount_manager.Path.which')88 def test_umount_with_errors_raises_lsof_present(89 self, mock_Path_which, mock_sleep, mock_mounted, mock_command90 ):91 def command_call(args, raise_on_error=None):92 if 'umount' in args:93 raise Exception94 else:95 call_return = Mock()96 call_return.output = 'HEADLINE\ndata'97 return call_return98 mock_Path_which.return_value = 'lsof'99 mock_command.side_effect = command_call100 mock_mounted.return_value = True101 with raises(KiwiUmountBusyError) as issue:102 self.mount_manager.umount()103 assert 'HEADLINE' in issue.value.message104 @patch('kiwi.mount_manager.Command.run')105 @patch('kiwi.mount_manager.MountManager.is_mounted')106 def test_umount_success(self, mock_mounted, mock_command):107 mock_mounted.return_value = True108 assert self.mount_manager.umount() is True109 mock_command.assert_called_once_with(110 ['umount', '/some/mountpoint']111 )112 @patch('kiwi.mount_manager.Command.run')113 def test_is_mounted_true(self, mock_command):114 command = Mock()115 command.returncode = 0116 mock_command.return_value = command117 assert self.mount_manager.is_mounted() is True118 mock_command.assert_called_once_with(119 command=['mountpoint', '-q', '/some/mountpoint'],120 raise_on_error=False121 )122 @patch('kiwi.mount_manager.Command.run')...
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