def get_storage_driver(storage_url=None):
if not storage_url:
storage_url = cfg.CONF.storage_url
if not cfg.CONF.storage_driver:
return STOR_REG._load_driver(storage_url)
return importutils.import_object(cfg.CONF.storage_driver, storage_url)
if not self._check_path():
return None
path = self._container_path(uuid)
if os.path.exists(path):
shutil.rmtree(path)
os.mkdir(path)
url = 'leveldb://%s' % path
cont = StorageContainer(uuid, LevelDBDriver(url))
self._containers[uuid] = cont
return cont
def delete_container(self, uuid):
if uuid in self._containers:
cont = self._containers[uuid]
cont.close()
del self._containers[uuid]
if not self._check_path():
return None
path = self._container_path(uuid)
if os.path.exists(path):
shutil.rmtree(path)
return True
return False
def close(self):
del self._db
self._db = None
STOR_REG.register('leveldb', LevelDBDriver)
def create_container(self, uuid):
if not self._check_path():
return None
path = self._container_path(uuid)
if os.path.exists(path):
shutil.rmtree(path)
os.mkdir(path)
url = 'leveldb://%s' % path
cont = StorageContainer(uuid, LevelDBDriver(url))
self._containers[uuid] = cont
return cont
def delete_container(self, uuid):
if uuid in self._containers:
cont = self._containers[uuid]
cont.close()
del self._containers[uuid]
if not self._check_path():
return None
path = self._container_path(uuid)
if os.path.exists(path):
shutil.rmtree(path)
return True
return False
def close(self):
del self._db
self._db = None
STOR_REG.register('leveldb', LevelDBDriver)
return None
if uuid not in self._containers:
return None
return self._containers[uuid]
def create_container(self, uuid):
if not hasattr(self, '_containers'):
LOG.error('Cannot call create_container when driver is in container mode.')
return None
cont = StorageContainer(uuid, MemoryDriver(None, True))
self._containers[uuid] = cont
return cont
def delete_container(self, uuid):
if not hasattr(self, '_containers'):
LOG.error('Cannot call delete_container when driver is in container mode.')
return None
if uuid in self._containers:
del self._containers[uuid]
return True
return False
def close(self):
self._storage = None
self._index = None
if not hasattr(self, '_containers'):
self._containers = None
STOR_REG.register('memory', MemoryDriver)
def create_container(self, uuid):
if not hasattr(self, '_containers'):
LOG.error(
'Cannot call create_container when driver is in container mode.'
)
return None
cont = StorageContainer(uuid, MemoryDriver(None, True))
self._containers[uuid] = cont
return cont
def delete_container(self, uuid):
if not hasattr(self, '_containers'):
LOG.error(
'Cannot call delete_container when driver is in container mode.'
)
return None
if uuid in self._containers:
del self._containers[uuid]
return True
return False
def close(self):
self._storage = None
self._index = None
if not hasattr(self, '_containers'):
self._containers = None
STOR_REG.register('memory', MemoryDriver)
