Swift stopper middleware

gistfile1.txt

# Copyright IBM Corp. 2015, 2015 All Rights Reserved
#
# 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.



from swift.common.utils import get_logger, split_path
from swift.common.swob import wsgify, Request, HTTPCreated, HTTPOk, HTTPNoContent


class SwiftStopperMiddleware(object):

    def __init__(self, app, conf):
        self.app = app
        self.logger = get_logger(conf, log_route='swift_stopper')

    @wsgify
    def __call__(self, req):
        try:
            (version, account, container, objname) = split_path( req.path_info, 1, 4, True)
        except ValueError:
            return self.app

        if (req.method == 'PUT' or req.method =='POST'):
            rh = {'etag': '123'}
            return HTTPCreated(body='created', headers = rh)
        elif (req.method == 'DELETE'):
            return HTTPNoContent('deleted')
        elif (req.method == 'GET'):
            return HTTPOk(body='get response')
        elif (req.method == 'HEAD'):
            return HTTPNoContent(body='no content for HEAD')
            
            
        return self.app

def filter_factory(global_conf, **local_conf):
    conf = global_conf.copy()
    conf.update(local_conf)

    def swift_stopper(app):
        return SwiftStopperMiddleware(app, conf)

    return swift_stopper