69 lines
2.2 KiB
Python
69 lines
2.2 KiB
Python
# Copyright (c) 2019 OpenStack Foundation.
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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_config import cfg
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from oslo_log import log as logging
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from pecan import hooks
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from fenix.api import context
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from fenix.api.v1 import maintenance
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from fenix.db import api as dbapi
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LOG = logging.getLogger(__name__)
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class ConfigHook(hooks.PecanHook):
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"""ConfigHook
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Attach the configuration object to the request
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so controllers can get to it.
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"""
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def before(self, state):
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state.request.cfg = cfg.CONF
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class DBHook(hooks.PecanHook):
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"""Attach the dbapi object to the request so controllers can get to it."""
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def before(self, state):
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state.request.dbapi = dbapi.get_instance()
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class ContextHook(hooks.PecanHook):
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"""Configures a request context and attaches it to the request."""
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def before(self, state):
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state.request.context = context.ctx_from_headers(state.request.headers)
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state.request.context.__enter__()
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# NOTE(sbauza): on_error() can be fired before after() if the original
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# exception is not catched by WSME. That's necessary to not
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# handle context.__exit__() within on_error() as it could
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# lead to pop the stack twice for the same request
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def after(self, state):
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# If no API extensions are loaded, context is empty
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if state.request.context:
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state.request.context.__exit__(None, None, None)
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class RPCHook(hooks.PecanHook):
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"""Attach the rpcapi object to the request so controllers can get to it."""
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def before(self, state):
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state.request.rpcapi = maintenance.EngineRPCAPI()
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