39 lines
1.4 KiB
Python
39 lines
1.4 KiB
Python
# Copyright (c) 2015 Mirantis, Inc.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from oslo_log import log as logging
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from pecan import hooks
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import webob.exc
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from neutron.api.v2 import base as v2base
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LOG = logging.getLogger(__name__)
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class ExceptionTranslationHook(hooks.PecanHook):
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def on_error(self, state, e):
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# if it's already an http error, just return to let it go through
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if isinstance(e, webob.exc.WSGIHTTPException):
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return
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for exc_class, to_class in v2base.FAULT_MAP.items():
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if isinstance(e, exc_class):
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raise to_class(getattr(e, 'msg', e.message))
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# leaked unexpected exception, convert to boring old 500 error and
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# hide message from user in case it contained sensitive details
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LOG.exception(_("An unexpected exception was caught: %s") % e)
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raise webob.exc.HTTPInternalServerError(
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_("An unexpected internal error occurred."))
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