def is_thick(self):
if self._is_thick is None:
provision = utils.get_extra_spec(self._volume, 'provisioning:type')
support = utils.get_extra_spec(self._volume,
'thick_provisioning_support')
self._is_thick = (provision == 'thick' and support == '<is> True')
return self._is_thick
def is_compressed(self):
if self._is_compressed is None:
provision = utils.get_extra_spec(self._volume, 'provisioning:type')
compression = utils.get_extra_spec(self._volume,
'compression_support')
if provision == 'compressed' and compression == '<is> True':
self._is_compressed = True
return self._is_compressed
def tiering_policy(self):
tiering_policy_map = {'StartHighThenAuto':
enums.TieringPolicyEnum.AUTOTIER_HIGH,
'Auto':
enums.TieringPolicyEnum.AUTOTIER,
'HighestAvailable':
enums.TieringPolicyEnum.HIGHEST,
'LowestAvailable':
enums.TieringPolicyEnum.LOWEST}
if not self._tiering_policy:
tiering_value = utils.get_extra_spec(self._volume,
'storagetype:tiering')
support = utils.get_extra_spec(self._volume,
'fast_support') == '<is> True'
if tiering_value and support:
self._tiering_policy = tiering_policy_map.get(tiering_value)
# if no value, unity sets StartHighThenAuto as default
return self._tiering_policy
def is_replication_enabled(self):
if self._is_replication_enabled is None:
value = utils.get_extra_spec(self._volume, 'replication_enabled')
self._is_replication_enabled = value == '<is> True'
return self._is_replication_enabled