65 lines
2.2 KiB
Python
65 lines
2.2 KiB
Python
#
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# Copyright 2012 New Dream Network, LLC (DreamHost)
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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_policy import opts
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from oslo_policy import policy
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from pecan import hooks
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from aodh.api import policies
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# TODO(gmann): Remove setting the default value of config policy_file
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# once oslo_policy change the default value to 'policy.yaml'.
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# https://github.com/openstack/oslo.policy/blob/a626ad12fe5a3abd49d70e3e5b95589d279ab578/oslo_policy/opts.py#L49
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DEFAULT_POLICY_FILE = 'policy.yaml'
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opts.set_defaults(cfg.CONF, DEFAULT_POLICY_FILE)
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class ConfigHook(hooks.PecanHook):
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"""Attach the configuration and policy enforcer object to the request.
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That allows controllers to get it.
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"""
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def __init__(self, conf):
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self.conf = conf
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self.enforcer = policy.Enforcer(conf, default_rule="default")
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self.enforcer.register_defaults(policies.list_rules())
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def before(self, state):
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state.request.cfg = self.conf
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state.request.enforcer = self.enforcer
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class DBHook(hooks.PecanHook):
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def __init__(self, alarm_conn):
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self.storage = alarm_conn
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def before(self, state):
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state.request.storage = self.storage
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class TranslationHook(hooks.PecanHook):
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def after(self, state):
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# After a request has been done, we need to see if
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# ClientSideError has added an error onto the response.
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# If it has we need to get it info the thread-safe WSGI
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# environ to be used by the ParsableErrorMiddleware.
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if hasattr(state.response, 'translatable_error'):
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state.request.environ['translatable_error'] = (
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state.response.translatable_error)
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