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 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 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():
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 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 releaseHostId(self, hostId):
with self._lock:
self.log.info("Releasing host id for domain %s (id: %s)",
self._sdUUID, hostId)
try:
sanlock.rem_lockspace(self._sdUUID, hostId, self._idsPath, 0)
except sanlock.SanlockException, e:
raise se.ReleaseHostIdFailure(self._sdUUID, e)
self._hostId = None
self.log.debug("Host id for domain %s released successfully "
"(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(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 releaseHostId(self, hostId, wait, unused):
self.log.info("Releasing host id for domain %s (id: %s)",
self._sdUUID, hostId)
# Ensure that future calls to acquire() will fail quickly.
self._ready.valid = False
with self._lock:
try:
sanlock.rem_lockspace(self._lockspace_name, hostId,
self._idsPath, unused=unused,
wait=wait)
except sanlock.SanlockException as e:
if e.errno != errno.ENOENT:
raise se.ReleaseHostIdFailure(self._sdUUID, e)
self.log.info("Host id for domain %s released successfully "
"(id: %s)", self._sdUUID, 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_rem_lockspace_parse_args(no_sanlock_daemon, name, filename, encoding):
path = util.generate_path("/tmp/", filename, encoding)
with raises_sanlock_errno():
sanlock.rem_lockspace(name, 1, path, 0, wait=False)
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 != os.errno.EEXIST:
raise se.AcquireHostIdFailure(self._sdUUID, e)
self.log.debug("Host id for domain %s successfully acquired "
"(id: %s)", self._sdUUID, hostId)
def releaseHostId(self, hostId, async, unused):
with self._lock:
self.log.info("Releasing host id for domain %s (id: %s)",
self._sdUUID, hostId)
try:
sanlock.rem_lockspace(self._sdUUID, hostId, self._idsPath,
async=async, unused=unused)
except sanlock.SanlockException as e:
if e.errno != os.errno.ENOENT:
raise se.ReleaseHostIdFailure(self._sdUUID, e)
self.log.debug("Host id for domain %s released successfully "
"(id: %s)", self._sdUUID, hostId)
def hasHostId(self, hostId):
with self._lock:
try:
return sanlock.inq_lockspace(self._sdUUID,
hostId, self._idsPath)
except sanlock.SanlockException:
self.log.debug("Unable to inquire sanlock lockspace "
def _release_whiteboard_lock(self):
sanlock.rem_lockspace(broker_constants.LOCKSPACE_NAME.encode(),
self.host_id, self._lease_file)
def _release_whiteboard_lock(self):
sanlock.rem_lockspace(broker_constants.LOCKSPACE_NAME,
self.host_id, self._lease_file)
# 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)
self.log.debug("Host id for domain %s successfully acquired " "(id: %s)", self._sdUUID, hostId)
def releaseHostId(self, hostId, async, unused):
with self._lock:
self.log.info("Releasing host id for domain %s (id: %s)", self._sdUUID, hostId)
try:
sanlock.rem_lockspace(self._sdUUID, hostId, self._idsPath, async=async, unused=unused)
except sanlock.SanlockException as e:
if e.errno != errno.ENOENT:
raise se.ReleaseHostIdFailure(self._sdUUID, e)
self.log.debug("Host id for domain %s released successfully " "(id: %s)", self._sdUUID, hostId)
def hasHostId(self, hostId):
with self._lock:
try:
return sanlock.inq_lockspace(self._sdUUID, hostId, self._idsPath)
except sanlock.SanlockException:
self.log.debug("Unable to inquire sanlock lockspace " "status, returning False", exc_info=True)
return False
def getHostStatus(self, hostId):
def test_rem_lockspace_parse_args(no_sanlock_daemon, name):
with raises_sanlock_errno():
sanlock.rem_lockspace(name, 1, "ls_path", 0)
def _release_sanlock(self):
lease_file = self._broker.get_service_path(
constants.SERVICE_TYPE + constants.LOCKSPACE_EXTENSION)
sanlock.rem_lockspace(constants.LOCKSPACE_NAME,
self.host_id, lease_file)