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# Copyright (c) 2012 Red Hat, Inc.
#
# 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.
# Monkey patch constraints
import swift.plugins.constraints
from swift.plugins.Glusterfs import Glusterfs
from ConfigParser import ConfigParser
fs_conf = ConfigParser()
if fs_conf.read('/etc/swift/fs.conf'):
try:
mount_path = fs_conf.get ('DEFAULT', 'mount_path')
except NoSectionError, NoOptionError:
# FIXME - How to log during module initialization
logger.exception(_('ERROR mount_path not present'))
mount_path = ''
else:
mount_path = ''
class Gluster(object):
"""
Update the environment with keys that reflect GlusterFS middleware enabled
"""
def __init__(self, app, conf):
self.app = app
self.conf = conf
def __call__(self, env, start_response):
env['Gluster_enabled'] = True
env['fs_object'] = Glusterfs()
env['root'] = mount_path
return self.app(env, start_response)
def filter_factory(global_conf, **local_conf):
"""Returns a WSGI filter app for use with paste.deploy."""
conf = global_conf.copy()
conf.update(local_conf)
def gluster_filter(app):
return Gluster(app, conf)
return gluster_filter
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