def set_lvb(self, lease, info):
self.log.info("Setting LVB data to lease %s, info: %r", lease, info)
data = json.dumps(info).encode("utf-8")
if len(data) > LVB_SIZE:
raise se.SanlockLVBError("lvb dict is too big ")
# Pad the data with zeroes to ensure it is properly initialized and
# does not contain garbage from previous writes.
data = data.ljust(LVB_SIZE, b"\0")
try:
# pylint: disable=E1101
sanlock.set_lvb(self._lockspace_name, lease.name.encode("utf-8"),
[(lease.path, lease.offset)], data)
except sanlock.SanlockException as e:
raise se.SanlockLVBError(e)
def get_lvb(self, lease):
self.log.debug("Getting LVB data from lease %s", lease)
try:
# pylint: disable=E1101
data = sanlock.get_lvb(self._lockspace_name,
lease.name.encode("utf-8"),
[(lease.path, lease.offset)],
size=LVB_SIZE)
except sanlock.SanlockException as e:
raise se.SanlockLVBError(e)
data = data.rstrip(b"\0").decode("utf-8")
# In case the LVB was not written to before
if data == '':
return {}
return json.loads(data)