92 lines
3.0 KiB
Python
92 lines
3.0 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 keystonemiddleware import auth_token
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from oslo_config import cfg
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from oslo_middleware import cors
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from oslo_middleware import request_id
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import pecan
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from neutron.common import exceptions as n_exc
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from neutron.pecan_wsgi import hooks
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from neutron.pecan_wsgi import startup
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CONF = cfg.CONF
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CONF.import_opt('bind_host', 'neutron.common.config')
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CONF.import_opt('bind_port', 'neutron.common.config')
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def setup_app(*args, **kwargs):
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config = {
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'server': {
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'port': CONF.bind_port,
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'host': CONF.bind_host
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},
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'app': {
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'root': 'neutron.pecan_wsgi.controllers.root.RootController',
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'modules': ['neutron.pecan_wsgi'],
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}
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#TODO(kevinbenton): error templates
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}
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pecan_config = pecan.configuration.conf_from_dict(config)
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app_hooks = [
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hooks.ExceptionTranslationHook(), # priority 100
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hooks.ContextHook(), # priority 95
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hooks.MemberActionHook(), # piority 95
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hooks.AttributePopulationHook(), # priority 120
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hooks.OwnershipValidationHook(), # priority 125
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hooks.QuotaEnforcementHook(), # priority 130
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hooks.PolicyHook(), # priority 135
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hooks.NotifierHook(), # priority 140
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]
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app = pecan.make_app(
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pecan_config.app.root,
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debug=False,
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wrap_app=_wrap_app,
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force_canonical=False,
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hooks=app_hooks,
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guess_content_type_from_ext=True
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)
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startup.initialize_all()
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return app
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def _wrap_app(app):
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app = request_id.RequestId(app)
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if cfg.CONF.auth_strategy == 'noauth':
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pass
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elif cfg.CONF.auth_strategy == 'keystone':
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app = auth_token.AuthProtocol(app, {})
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else:
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raise n_exc.InvalidConfigurationOption(
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opt_name='auth_strategy', opt_value=cfg.CONF.auth_strategy)
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# This should be the last middleware in the list (which results in
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# it being the first in the middleware chain). This is to ensure
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# that any errors thrown by other middleware, such as an auth
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# middleware - are annotated with CORS headers, and thus accessible
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# by the browser.
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app = cors.CORS(app, cfg.CONF)
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app.set_latent(
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allow_headers=['X-Auth-Token', 'X-Openstack-Request-Id'],
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allow_methods=['GET', 'PUT', 'POST', 'DELETE', 'PATCH'],
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expose_headers=['X-Auth-Token', 'X-Openstack-Request-Id']
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)
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return app
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