def test_add_rem_lockspace_async(tmpdir, sanlock_daemon):
path = str(tmpdir.join("ls_name"))
util.create_file(path, MiB)
sanlock.write_lockspace("ls_name", path, iotimeout=1)
acquired = sanlock.inq_lockspace("ls_name", 1, path, wait=False)
assert acquired is False
# This will take 3 seconds.
sanlock.add_lockspace("ls_name", 1, path, iotimeout=1, **{"async": True})
# While the lockspace is being aquired, we expect to get None.
time.sleep(1)
acquired = sanlock.inq_lockspace("ls_name", 1, path, wait=False)
assert acquired is None
# Once the lockspace is acquired, we exepect to get True.
acquired = sanlock.inq_lockspace("ls_name", 1, path, wait=True)
assert acquired is True
# This will take about 3 seconds.
sanlock.rem_lockspace("ls_name", 1, path, **{"async": True})
# Wait until the lockspace change state from True to None.
while sanlock.inq_lockspace("ls_name", 1, path, wait=False):
time.sleep(1)
# While the lockspace is being released, we expect to get None.
acquired = sanlock.inq_lockspace("ls_name", 1, path, wait=False)
assert acquired is None
# Once the lockspace was released, we expect to get False.
acquired = sanlock.inq_lockspace("ls_name", 1, path, wait=True)
assert acquired is False
def main():
print "Creating the sanlock disk"
fd, disk = tempfile.mkstemp()
os.close(fd)
offset = sanlock.get_alignment(disk)
SNLK_DISKS = [(disk, offset)]
print "Registering to sanlock"
fd = sanlock.register()
print "Initializing '%s'" % (LOCKSPACE_NAME, )
sanlock.init_lockspace(LOCKSPACE_NAME, disk)
print "Initializing '%s' on '%s'" % (RESOURCE_NAME, LOCKSPACE_NAME)
sanlock.init_resource(LOCKSPACE_NAME, RESOURCE_NAME, SNLK_DISKS)
print "Acquiring the id '%i' on '%s'" % (HOST_ID, LOCKSPACE_NAME)
sanlock.add_lockspace(LOCKSPACE_NAME, HOST_ID, disk)
try:
print "Acquiring '%s' on '%s'" % (RESOURCE_NAME, LOCKSPACE_NAME)
sanlock.acquire(LOCKSPACE_NAME, RESOURCE_NAME, SNLK_DISKS, slkfd=fd)
print "Releasing '%s' on '%s'" % (RESOURCE_NAME, LOCKSPACE_NAME)
sanlock.release(LOCKSPACE_NAME, RESOURCE_NAME, SNLK_DISKS, slkfd=fd)
finally:
print "Releasing the id '%i' on '%s'" % (HOST_ID, LOCKSPACE_NAME)
sanlock.rem_lockspace(LOCKSPACE_NAME, HOST_ID, disk)
print "Removing the sanlock disk"
os.remove(disk)
def test_add_rem_lockspace(tmpdir, sanlock_daemon, size, offset):
path = str(tmpdir.join("ls_name"))
util.create_file(path, size)
sanlock.write_lockspace("ls_name", path, offset=offset, iotimeout=1)
# Since the lockspace is not acquired, we exepect to get False.
acquired = sanlock.inq_lockspace("ls_name",
1,
path,
offset=offset,
wait=False)
assert acquired is False
sanlock.add_lockspace("ls_name", 1, path, offset=offset, iotimeout=1)
# Once the lockspace is acquired, we exepect to get True.
acquired = sanlock.inq_lockspace("ls_name",
1,
path,
offset=offset,
wait=False)
assert acquired is True
sanlock.rem_lockspace("ls_name", 1, path, offset=offset)
# Once the lockspace is released, we exepect to get False.
acquired = sanlock.inq_lockspace("ls_name",
1,
path,
offset=offset,
wait=False)
assert acquired is False
def test_add_rem_lockspace_async(tmpdir, sanlock_daemon):
path = str(tmpdir.join("ls_name"))
util.create_file(path, MiB)
sanlock.write_lockspace(b"ls_name", path, iotimeout=1)
acquired = sanlock.inq_lockspace(b"ls_name", 1, path, wait=False)
assert acquired is False
# This will take 3 seconds.
sanlock.add_lockspace(b"ls_name", 1, path, iotimeout=1, wait=False)
# While the lockspace is being aquired, we expect to get None.
time.sleep(1)
acquired = sanlock.inq_lockspace(b"ls_name", 1, path, wait=False)
assert acquired is None
# Once the lockspace is acquired, we exepect to get True.
acquired = sanlock.inq_lockspace(b"ls_name", 1, path, wait=True)
assert acquired is True
# This will take about 3 seconds.
sanlock.rem_lockspace(b"ls_name", 1, path, wait=False)
# Wait until the lockspace change state from True to None.
while sanlock.inq_lockspace(b"ls_name", 1, path, wait=False):
time.sleep(1)
# While the lockspace is being released, we expect to get None.
acquired = sanlock.inq_lockspace(b"ls_name", 1, path, wait=False)
assert acquired is None
# Once the lockspace was released, we expect to get False.
acquired = sanlock.inq_lockspace(b"ls_name", 1, path, wait=True)
assert acquired is False
def _initialize_sanlock(self):
self._cond_start_service('sanlock')
lease_file = self._broker.get_service_path(
constants.SERVICE_TYPE + constants.LOCKSPACE_EXTENSION)
if not self._sanlock_initialized:
lvl = logging.INFO
else:
lvl = logging.DEBUG
self._log.log(lvl, "Ensuring lease for lockspace %s, host id %d"
" is acquired (file: %s)",
constants.LOCKSPACE_NAME, self.host_id, lease_file)
for attempt in range(constants.WAIT_FOR_STORAGE_RETRY):
try:
sanlock.add_lockspace(constants.LOCKSPACE_NAME,
self.host_id, lease_file)
except sanlock.SanlockException as e:
if hasattr(e, 'errno'):
if e.errno == errno.EEXIST:
self._log.debug("Host already holds lock")
break
elif e.errno == errno.EINVAL:
self._log.error(
"cannot get lock on host id {0}: "
"host already holds lock on a different"
" host id"
.format(self.host_id))
raise # this shouldn't happen, so throw the exception
elif e.errno == errno.EINTR:
self._log.warn("cannot get lock on host id {0}:"
" sanlock operation interrupted"
" (will retry)"
.format(self.host_id))
elif e.errno == errno.EINPROGRESS:
self._log.warn("cannot get lock on host id {0}:"
" sanlock operation in progress"
"(will retry)"
.format(self.host_id))
elif e.errno == errno.ENOENT:
self._log.warn("cannot get lock on host id {0}:"
" the lock file '{1}' is missing"
"(will retry)"
.format(self.host_id, lease_file))
else: # no exception, we acquired the lock
self._log.info("Acquired lock on host id %d", self.host_id)
break
# some temporary problem has occurred (usually waiting for
# the storage), so wait a while and try again
self._log.info("Failed to acquire the lock. Waiting '{0}'s before"
" the next attempt".
format(constants.WAIT_FOR_STORAGE_DELAY))
time.sleep(constants.WAIT_FOR_STORAGE_DELAY)
else: # happens only if all attempts are exhausted
raise ex.SanlockInitializationError(
"Failed to initialize sanlock, the number of errors has"
" exceeded the limit")
# we get here only if the the lock is acquired
self._sanlock_initialized = True
def main():
print "Creating the sanlock disk"
fd, disk = tempfile.mkstemp()
os.close(fd)
offset = sanlock.get_alignment(disk)
SNLK_DISKS = [(disk, offset)]
print "Registering to sanlock"
fd = sanlock.register()
print "Initializing '%s'" % (LOCKSPACE_NAME,)
sanlock.init_lockspace(LOCKSPACE_NAME, disk)
print "Initializing '%s' on '%s'" % (RESOURCE_NAME, LOCKSPACE_NAME)
sanlock.init_resource(LOCKSPACE_NAME, RESOURCE_NAME, SNLK_DISKS)
print "Acquiring the id '%i' on '%s'" % (HOST_ID, LOCKSPACE_NAME)
sanlock.add_lockspace(LOCKSPACE_NAME, HOST_ID, disk)
try:
print "Acquiring '%s' on '%s'" % (RESOURCE_NAME, LOCKSPACE_NAME)
sanlock.acquire(LOCKSPACE_NAME, RESOURCE_NAME, SNLK_DISKS, slkfd=fd)
print "Releasing '%s' on '%s'" % (RESOURCE_NAME, LOCKSPACE_NAME)
sanlock.release(LOCKSPACE_NAME, RESOURCE_NAME, SNLK_DISKS, slkfd=fd)
finally:
print "Releasing the id '%i' on '%s'" % (HOST_ID, LOCKSPACE_NAME)
sanlock.rem_lockspace(LOCKSPACE_NAME, HOST_ID, disk)
print "Removing the sanlock disk"
os.remove(disk)
def _acquire_whiteboard_lock(self):
self._log.log(logging.DEBUG,
"Ensuring lease for lockspace %s, host id %d "
"is acquired (file: %s)",
broker_constants.LOCKSPACE_NAME, self.host_id,
self._lease_file)
for attempt in range(broker_constants.WAIT_FOR_STORAGE_RETRY):
try:
sanlock.add_lockspace(
broker_constants.LOCKSPACE_NAME.encode(),
self.host_id,
self._lease_file
)
except sanlock.SanlockException as e:
if hasattr(e, 'errno'):
if e.errno == errno.EEXIST:
self._log.debug("Host already holds lock")
break
elif e.errno == errno.EINVAL:
self._log.error(
"cannot get lock on host id {0}: "
"host already holds lock on a different"
" host id"
.format(self.host_id))
raise # this shouldn't happen, so throw the exception
elif e.errno == errno.EINTR:
self._log.warn("cannot get lock on host id {0}:"
" sanlock operation interrupted"
" (will retry)"
.format(self.host_id))
elif e.errno == errno.EINPROGRESS:
self._log.warn("cannot get lock on host id {0}:"
" sanlock operation in progress"
"(will retry)"
.format(self.host_id))
elif e.errno == errno.ENOENT:
self._log.warn("cannot get lock on host id {0}:"
" the lock file '{1}' is missing"
"(will retry)"
.format(self.host_id, self._lease_file))
else: # no exception, we acquired the lock
self._log.info("Acquired lock on host id %d", self.host_id)
break
# some temporary problem has occurred (usually waiting for
# the storage), so wait a while and try again
self._log.info("Failed to acquire the lock. Waiting '{0}'s before"
" the next attempt".
format(broker_constants.WAIT_FOR_STORAGE_DELAY))
time.sleep(broker_constants.WAIT_FOR_STORAGE_DELAY)
else: # happens only if all attempts are exhausted
raise ex.SanlockInitializationError(
"Failed to initialize sanlock, the number of errors has"
" exceeded the limit")
# we get here only if the the lock is acquired
return True
def main():
signal.signal(signal.SIGTERM, sigTermHandler)
print "Creating the sanlock disk"
fd, disk = tempfile.mkstemp()
os.close(fd)
os.chown(disk,
pwd.getpwnam("sanlock").pw_uid,
grp.getgrnam("sanlock").gr_gid)
offset = sanlock.get_alignment(disk)
SNLK_DISKS = [(disk, offset)]
print "Registering to sanlock"
fd = sanlock.register()
print "Initializing '%s'" % (LOCKSPACE_NAME, )
sanlock.write_lockspace(LOCKSPACE_NAME, disk)
print "Initializing '%s' on '%s'" % (RESOURCE_NAME, LOCKSPACE_NAME)
sanlock.write_resource(LOCKSPACE_NAME, RESOURCE_NAME, SNLK_DISKS)
print "Acquiring the id '%i' on '%s'" % (HOST_ID, LOCKSPACE_NAME)
sanlock.add_lockspace(LOCKSPACE_NAME, HOST_ID, disk)
try:
print "Acquiring '%s' on '%s'" % (RESOURCE_NAME, LOCKSPACE_NAME)
sanlock.acquire(LOCKSPACE_NAME,
RESOURCE_NAME,
SNLK_DISKS,
slkfd=fd,
version=0)
while True:
print "Trying to get lockspace '%s' hosts" % LOCKSPACE_NAME
try:
hosts_list = sanlock.get_hosts(LOCKSPACE_NAME)
except sanlock.SanlockException as e:
if e.errno != os.errno.EAGAIN:
raise
else:
print "Lockspace '%s' hosts: " % LOCKSPACE_NAME, hosts_list
break
time.sleep(5)
print "Resource '%s' owners: " % RESOURCE_NAME, \
sanlock.read_resource_owners(
LOCKSPACE_NAME, RESOURCE_NAME, SNLK_DISKS)
print "Releasing '%s' on '%s'" % (RESOURCE_NAME, LOCKSPACE_NAME)
sanlock.release(LOCKSPACE_NAME, RESOURCE_NAME, SNLK_DISKS, slkfd=fd)
except Exception as e:
print "Exception: ", e
finally:
print "Releasing the id '%i' on '%s'" % (HOST_ID, LOCKSPACE_NAME)
sanlock.rem_lockspace(LOCKSPACE_NAME, HOST_ID, disk)
print "Removing the sanlock disk"
os.remove(disk)
def sanlock_acquire(hostId, lockspacePath, leasePath):
sfd = sanlock.register()
if not sanlock.inq_lockspace(LOCKSPACE_NAME, hostId, lockspacePath):
msg = "Try to acquire host id %s:%s:%s:0" % (LOCKSPACE_NAME, hostId,
lockspacePath)
print(msg)
sanlock.add_lockspace(LOCKSPACE_NAME, hostId, lockspacePath)
msg = "Try to acquire leader lease:%s" % str(leasePath)
print(msg)
sanlock.acquire(LOCKSPACE_NAME, RESOURCE_NAME, [(leasePath, 0)], sfd)
def main():
signal.signal(signal.SIGTERM, sigTermHandler)
print "Creating the sanlock disk"
fd, disk = tempfile.mkstemp()
os.close(fd)
os.chown(disk, pwd.getpwnam("sanlock").pw_uid, grp.getgrnam("sanlock").gr_gid)
offset = sanlock.get_alignment(disk)
SNLK_DISKS = [(disk, offset)]
print "Registering to sanlock"
fd = sanlock.register()
print "Initializing '%s'" % (LOCKSPACE_NAME,)
sanlock.write_lockspace(LOCKSPACE_NAME, disk, max_hosts=0, iotimeout=0, align=1048576, sector=512)
print "Initializing '%s' on '%s'" % (RESOURCE_NAME, LOCKSPACE_NAME)
sanlock.write_resource(LOCKSPACE_NAME, RESOURCE_NAME, SNLK_DISKS, align=1048576, sector=512)
print "Acquiring the id '%i' on '%s'" % (HOST_ID, LOCKSPACE_NAME)
sanlock.add_lockspace(LOCKSPACE_NAME, HOST_ID, disk)
try:
print "Acquiring '%s' on '%s'" % (RESOURCE_NAME, LOCKSPACE_NAME)
sanlock.acquire(LOCKSPACE_NAME, RESOURCE_NAME, SNLK_DISKS, slkfd=fd,
version=0)
while True:
print "Trying to get lockspace '%s' hosts" % LOCKSPACE_NAME
try:
hosts_list = sanlock.get_hosts(LOCKSPACE_NAME)
except sanlock.SanlockException as e:
if e.errno != os.errno.EAGAIN:
raise
else:
print "Lockspace '%s' hosts: " % LOCKSPACE_NAME, hosts_list
break
time.sleep(5)
print "Resource '%s' owners: " % RESOURCE_NAME, \
sanlock.read_resource_owners(
LOCKSPACE_NAME, RESOURCE_NAME, SNLK_DISKS, align=1048576, sector=512)
print "Releasing '%s' on '%s'" % (RESOURCE_NAME, LOCKSPACE_NAME)
sanlock.release(LOCKSPACE_NAME, RESOURCE_NAME, SNLK_DISKS, slkfd=fd)
except Exception as e:
print "Exception: ", e
finally:
print "Releasing the id '%i' on '%s'" % (HOST_ID, LOCKSPACE_NAME)
sanlock.rem_lockspace(LOCKSPACE_NAME, HOST_ID, disk)
print "Removing the sanlock disk"
os.remove(disk)
def acquireHostId(self, hostId, async):
with self._lock:
self.log.info("Acquiring host id for domain %s (id: %s)", self._sdUUID, hostId)
try:
sanlock.add_lockspace(self._sdUUID, hostId, self._idsPath, async=async)
except sanlock.SanlockException as e:
if e.errno == errno.EINPROGRESS:
# if the request is not asynchronous wait for the ongoing
# lockspace operation to complete
if not async and not sanlock.inq_lockspace(self._sdUUID, hostId, self._idsPath, wait=True):
raise se.AcquireHostIdFailure(self._sdUUID, e)
# else silently continue, the host id has been acquired
# or it's in the process of being acquired (async)
elif e.errno != errno.EEXIST:
raise se.AcquireHostIdFailure(self._sdUUID, e)
def test_add_rem_lockspace(tmpdir, sanlock_daemon, size, offset):
path = str(tmpdir.join("ls_name"))
util.create_file(path, size)
sanlock.write_lockspace(b"ls_name", path, offset=offset, iotimeout=1)
# Since the lockspace is not acquired, we exepect to get False.
acquired = sanlock.inq_lockspace(b"ls_name",
1,
path,
offset=offset,
wait=False)
assert acquired is False
sanlock.add_lockspace(b"ls_name", 1, path, offset=offset, iotimeout=1)
# Once the lockspace is acquired, we exepect to get True.
acquired = sanlock.inq_lockspace(b"ls_name",
1,
path,
offset=offset,
wait=False)
assert acquired is True
lockspaces = sanlock.get_lockspaces()
assert lockspaces == [{
'flags': 0,
'host_id': 1,
'lockspace': b'ls_name',
'offset': offset,
'path': path
}]
sanlock.rem_lockspace(b"ls_name", 1, path, offset=offset)
# Once the lockspace is released, we exepect to get False.
acquired = sanlock.inq_lockspace(b"ls_name",
1,
path,
offset=offset,
wait=False)
assert acquired is False
lockspaces = sanlock.get_lockspaces()
assert lockspaces == []
def acquireHostId(self, hostId, wait):
self.log.info("Acquiring host id for domain %s (id=%s, wait=%s)",
self._sdUUID, hostId, wait)
# Ensure that future calls to acquire() will wait until host id is
# acquired.
self._ready.valid = True
with self._lock:
self._start_add_lockspace()
try:
sanlock.add_lockspace(
self._lockspace_name,
hostId,
self._idsPath,
iotimeout=self._io_timeout,
wait=wait)
except sanlock.SanlockException as e:
if e.errno == errno.EINPROGRESS:
# if the request is not asynchronous wait for the ongoing
# lockspace operation to complete else silently continue,
# the host id has been acquired or it's in the process of
# being acquired (async).
if wait:
if not sanlock.inq_lockspace(
self._lockspace_name,
hostId,
self._idsPath,
wait=True):
raise se.AcquireHostIdFailure(self._sdUUID, e)
self._end_add_lockspace(hostId)
self._ready.set()
elif e.errno == errno.EEXIST:
self.log.info("Host id %s for domain %s already acquired",
hostId, self._sdUUID)
self._cancel_add_lockspace()
self._ready.set()
else:
self._cancel_add_lockspace()
raise se.AcquireHostIdFailure(self._sdUUID, e)
else:
if wait:
self._end_add_lockspace(hostId)
self._ready.set()
def acquireHostId(self, hostId):
with self._lock:
if self._hostId is not None:
raise se.AcquireHostIdFailure(self._sdUUID,
"Host id already acquired")
self.log.info("Acquiring host id for domain %s (id: %s)",
self._sdUUID, hostId)
try:
sanlock.add_lockspace(self._sdUUID, hostId, self._idsPath)
except sanlock.SanlockException, e:
if e.errno != errno.EEXIST:
raise se.AcquireHostIdFailure(self._sdUUID, e)
self._hostId = hostId
self.log.debug("Host id for domain %s successfully acquired "
"(id: %s)", self._sdUUID, self._hostId)
def test_add_rem_lockspace(tmpdir, sanlock_daemon, size, offset):
path = str(tmpdir.join("ls_name"))
util.create_file(path, size)
sanlock.write_lockspace("ls_name", path, offset=offset, iotimeout=1)
# Since the lockspace is not acquired, we exepect to get False.
acquired = sanlock.inq_lockspace(
"ls_name", 1, path, offset=offset, wait=False)
assert acquired is False
sanlock.add_lockspace("ls_name", 1, path, offset=offset, iotimeout=1)
# Once the lockspace is acquired, we exepect to get True.
acquired = sanlock.inq_lockspace(
"ls_name", 1, path, offset=offset, wait=False)
assert acquired is True
lockspaces = sanlock.get_lockspaces()
assert lockspaces == [{
'flags': 0,
'host_id': 1,
'lockspace': b'ls_name',
'offset': offset,
'path': path
}]
sanlock.rem_lockspace("ls_name", 1, path, offset=offset)
# Once the lockspace is released, we exepect to get False.
acquired = sanlock.inq_lockspace(
"ls_name", 1, path, offset=offset, wait=False)
assert acquired is False
lockspaces = sanlock.get_lockspaces()
assert lockspaces == []
def test_add_lockspace_parse_args(no_sanlock_daemon, name, filename, encoding):
path = util.generate_path("/tmp/", filename, encoding)
with raises_sanlock_errno():
sanlock.add_lockspace(name, 1, path, 0, wait=False)
def test_acquire_release_resource(tmpdir, sanlock_daemon, size, offset):
ls_path = str(tmpdir.join("ls_name"))
util.create_file(ls_path, size)
res_path = str(tmpdir.join("res_name"))
util.create_file(res_path, size)
sanlock.write_lockspace(b"ls_name", ls_path, offset=offset, iotimeout=1)
sanlock.add_lockspace(b"ls_name", 1, ls_path, offset=offset, iotimeout=1)
# Host status is not available until the first renewal.
with pytest.raises(sanlock.SanlockException) as e:
sanlock.get_hosts(b"ls_name", 1)
assert e.value.errno == errno.EAGAIN
time.sleep(1)
host = sanlock.get_hosts(b"ls_name", 1)[0]
assert host["flags"] == sanlock.HOST_LIVE
disks = [(res_path, offset)]
sanlock.write_resource(b"ls_name", b"res_name", disks)
res = sanlock.read_resource(res_path, offset=offset)
assert res == {
"lockspace": b"ls_name",
"resource": b"res_name",
"version": 0
}
owners = sanlock.read_resource_owners(b"ls_name", b"res_name", disks)
assert owners == []
fd = sanlock.register()
sanlock.acquire(b"ls_name", b"res_name", disks, slkfd=fd)
res = sanlock.read_resource(res_path, offset=offset)
assert res == {
"lockspace": b"ls_name",
"resource": b"res_name",
"version": 1
}
owner = sanlock.read_resource_owners(b"ls_name", b"res_name", disks)[0]
assert owner["host_id"] == 1
assert owner["flags"] == 0
assert owner["generation"] == 1
assert owner["io_timeout"] == 0 # Why 0?
# TODO: check timestamp.
host = sanlock.get_hosts(b"ls_name", 1)[0]
assert host["flags"] == sanlock.HOST_LIVE
assert host["generation"] == owner["generation"]
sanlock.release(b"ls_name", b"res_name", disks, slkfd=fd)
res = sanlock.read_resource(res_path, offset=offset)
assert res == {
"lockspace": b"ls_name",
"resource": b"res_name",
"version": 1
}
owners = sanlock.read_resource_owners(b"ls_name", b"res_name", disks)
assert owners == []
def test_acquire_release_resource(tmpdir, sanlock_daemon, size, offset):
ls_path = str(tmpdir.join("ls_name"))
util.create_file(ls_path, size)
res_path = str(tmpdir.join("res_name"))
util.create_file(res_path, size)
sanlock.write_lockspace("ls_name", ls_path, offset=offset, iotimeout=1)
sanlock.add_lockspace("ls_name", 1, ls_path, offset=offset, iotimeout=1)
# Host status is not available until the first renewal.
with pytest.raises(sanlock.SanlockException) as e:
sanlock.get_hosts("ls_name", 1)
assert e.value.errno == errno.EAGAIN
time.sleep(1)
host = sanlock.get_hosts("ls_name", 1)[0]
assert host["flags"] == sanlock.HOST_LIVE
disks = [(res_path, offset)]
sanlock.write_resource("ls_name", "res_name", disks)
res = sanlock.read_resource(res_path, offset=offset)
assert res == {
"lockspace": b"ls_name",
"resource": b"res_name",
"version": 0
}
owners = sanlock.read_resource_owners("ls_name", "res_name", disks)
assert owners == []
fd = sanlock.register()
sanlock.acquire("ls_name", "res_name", disks, slkfd=fd)
res = sanlock.read_resource(res_path, offset=offset)
assert res == {
"lockspace": b"ls_name",
"resource": b"res_name",
"version": 1
}
owner = sanlock.read_resource_owners("ls_name", "res_name", disks)[0]
assert owner["host_id"] == 1
assert owner["flags"] == 0
assert owner["generation"] == 1
assert owner["io_timeout"] == 0 # Why 0?
# TODO: check timestamp.
host = sanlock.get_hosts("ls_name", 1)[0]
assert host["flags"] == sanlock.HOST_LIVE
assert host["generation"] == owner["generation"]
sanlock.release("ls_name", "res_name", disks, slkfd=fd)
res = sanlock.read_resource(res_path, offset=offset)
assert res == {
"lockspace": b"ls_name",
"resource": b"res_name",
"version": 1
}
owners = sanlock.read_resource_owners("ls_name", "res_name", disks)
assert owners == []
def test_add_lockspace_parse_args(no_sanlock_daemon, name):
with raises_sanlock_errno():
sanlock.add_lockspace(name, 1, "ls_path", 0)
