swift/swift/obj/mem_server.py

61 lines
1.9 KiB
Python

# Copyright (c) 2010-2013 OpenStack, LLC.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
# implied.
# See the License for the specific language governing permissions and
# limitations under the License.
""" In-Memory Object Server for Swift """
from swift.obj.mem_diskfile import InMemoryFileSystem
from swift.obj import server
class ObjectController(server.ObjectController):
"""
Implements the WSGI application for the Swift In-Memory Object Server.
"""
def setup(self, conf):
"""
Nothing specific to do for the in-memory version.
:param conf: WSGI configuration parameter
"""
self._filesystem = InMemoryFileSystem()
def get_diskfile(self, device, partition, account, container, obj,
**kwargs):
"""
Utility method for instantiating a DiskFile object supporting a given
REST API.
An implementation of the object server that wants to use a different
DiskFile class would simply over-ride this method to provide that
behavior.
"""
return self._filesystem.get_diskfile(account, container, obj, **kwargs)
def REPLICATE(self, request):
"""
Handle REPLICATE requests for the Swift Object Server. This is used
by the object replicator to get hashes for directories.
"""
pass
def app_factory(global_conf, **local_conf):
"""paste.deploy app factory for creating WSGI object server apps"""
conf = global_conf.copy()
conf.update(local_conf)
return ObjectController(conf)