79 lines
2.4 KiB
Python
79 lines
2.4 KiB
Python
# Copyright (c) 2014 Rackspace, 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.
|
|
|
|
import json
|
|
import logging
|
|
|
|
from pecan import hooks
|
|
import webob
|
|
|
|
from poppy.openstack.common import log as oslo_log
|
|
|
|
LOG = oslo_log.getLogger(__name__)
|
|
|
|
|
|
class ErrorHook(hooks.PecanHook):
|
|
|
|
'''Intercepts all errors during request fulfillment and logs them.'''
|
|
|
|
def on_error(self, state, exception):
|
|
'''Fires off when an error happens during a request.
|
|
|
|
:param state: The Pecan state for the current request.
|
|
:type state: pecan.core.state
|
|
:param exception: The exception that was raised.
|
|
:type exception: Exception
|
|
:returns: webob.Response -- JSON response with the error
|
|
message.
|
|
'''
|
|
exception_payload = {
|
|
'status': 500,
|
|
}
|
|
exception_str = u'{0}'.format(exception)
|
|
message = {
|
|
'message': (
|
|
'The server encountered an unexpected condition'
|
|
' which prevented it from fulfilling the request.'
|
|
)
|
|
}
|
|
log_level = logging.ERROR
|
|
|
|
# poppy does not have internal exception/external exceptions
|
|
# yet, so just catch the HTTPException from pecan.abort
|
|
# and send out a a json body
|
|
LOG.log(
|
|
log_level,
|
|
u'Exception message: {0}'.format(exception_str),
|
|
exc_info=True,
|
|
extra=exception_payload
|
|
)
|
|
|
|
if hasattr(exception, 'status'):
|
|
exception_payload['status'] = exception.status
|
|
|
|
exception_json = exception_str
|
|
try:
|
|
exception_json = json.loads(exception_json)
|
|
except Exception:
|
|
pass
|
|
|
|
message['message'] = exception_json
|
|
|
|
return webob.Response(
|
|
json.dumps(message),
|
|
status=exception_payload['status'],
|
|
content_type='application/json'
|
|
)
|