47 lines
1.5 KiB
Python
47 lines
1.5 KiB
Python
# Copyright (c) 2013 NEC Corporation
|
|
# 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.
|
|
|
|
"""Middleware that provides high-level error handling.
|
|
|
|
It catches all exceptions from subsequent applications in WSGI pipeline
|
|
to hide internal errors from API response.
|
|
"""
|
|
import logging
|
|
|
|
import webob.dec
|
|
import webob.exc
|
|
|
|
from octavia.openstack.common.gettextutils import _LE
|
|
from octavia.openstack.common.middleware import base
|
|
from octavia.openstack.common import versionutils
|
|
|
|
|
|
LOG = logging.getLogger(__name__)
|
|
|
|
|
|
@versionutils.deprecated(as_of=versionutils.deprecated.JUNO,
|
|
in_favor_of='octavia.middleware.CatchErrors')
|
|
class CatchErrorsMiddleware(base.Middleware):
|
|
|
|
@webob.dec.wsgify
|
|
def __call__(self, req):
|
|
try:
|
|
response = req.get_response(self.application)
|
|
except Exception:
|
|
LOG.exception(_LE('An error occurred during '
|
|
'processing the request: %s'))
|
|
response = webob.exc.HTTPInternalServerError()
|
|
return response
|