dfb32eb576
Update RefStack UI and API URLs from refstack.net to refstack.openstack.net Change-Id: Icec7a451ab0683b2134cfaa151f864b093e8345e
228 lines
8.2 KiB
Python
228 lines
8.2 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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"""App factory."""
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import json
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import logging
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import os
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from beaker.middleware import SessionMiddleware
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from oslo_config import cfg
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from oslo_log import log
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from oslo_log import loggers
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import pecan
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import six
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import webob
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from refstack.api import exceptions as api_exc
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from refstack.api import utils as api_utils
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from refstack import db
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LOG = log.getLogger(__name__)
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PROJECT_ROOT = os.path.join(os.path.dirname(os.path.abspath(__file__)),
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os.pardir)
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UI_OPTS = [
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cfg.StrOpt('ui_url',
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default='https://refstack.openstack.org',
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help='Url of user interface for RefStack. Need for redirects '
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'after sign in and sign out.'
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),
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]
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API_OPTS = [
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cfg.StrOpt('api_url',
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default='https://refstack.openstack.org/api',
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help='Url of public RefStack API.'
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),
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cfg.StrOpt('static_root',
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default='refstack-ui/app',
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help='The directory where your static files can be found. '
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'Pecan comes with middleware that can be used to serve '
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'static files (like CSS and Javascript files) during '
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'development. Here, a special variable %(project_root)s '
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'can be used to point to the root directory of the '
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'Refstack project\'s module, so paths can be specified '
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'relative to that.'
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),
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cfg.StrOpt('template_path',
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default='refstack-ui/app',
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help='Points to the directory where your template files live. '
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'Here, a special variable %(project_root)s can be used to '
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'point to the root directory of the Refstack project\'s '
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'main module, so paths can be specified relative to that.'
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),
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cfg.ListOpt('allowed_cors_origins',
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default=[],
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help='List of sites allowed cross-site resource access. If '
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'this is empty, only same-origin requests are allowed.'
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),
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cfg.BoolOpt('app_dev_mode',
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default=False,
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help='Switch Refstack app into debug mode. Helpful for '
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'development. In debug mode static file will be served '
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'by pecan application. Also, server responses will '
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'contain some details with debug information.'
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),
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cfg.StrOpt('test_results_url',
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default='/#/results/%s',
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help='Template for test result url.'
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),
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cfg.StrOpt('github_api_capabilities_url',
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default='https://api.github.com'
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'/repos/openstack/defcore/contents',
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help='The GitHub API URL of the repository and location of '
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'the DefCore capability files. This URL is used to get '
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'a listing of all capability files.'
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),
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cfg.StrOpt('github_raw_base_url',
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default='https://raw.githubusercontent.com'
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'/openstack/defcore/master/',
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help='This is the base URL that is used for retrieving '
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'specific capability files. Capability file names will '
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'be appended to this URL to get the contents of that file.'
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)
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]
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CONF = cfg.CONF
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opt_group = cfg.OptGroup(name='api',
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title='Options for the Refstack API')
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CONF.register_opts(UI_OPTS)
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CONF.register_group(opt_group)
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CONF.register_opts(API_OPTS, opt_group)
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log.register_options(CONF)
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class JSONErrorHook(pecan.hooks.PecanHook):
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"""A pecan hook that translates webob HTTP errors into a JSON format."""
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def __init__(self):
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"""Hook init."""
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self.debug = CONF.api.app_dev_mode
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def on_error(self, state, exc):
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"""Request error handler."""
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if isinstance(exc, webob.exc.HTTPRedirection):
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return
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elif isinstance(exc, webob.exc.HTTPError):
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return webob.Response(
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body=json.dumps({'code': exc.status_int,
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'title': exc.title}),
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status=exc.status_int,
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content_type='application/json'
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)
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title = None
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if isinstance(exc, api_exc.ValidationError):
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status_code = 400
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elif isinstance(exc, api_exc.ParseInputsError):
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status_code = 400
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elif isinstance(exc, db.NotFound):
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status_code = 404
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elif isinstance(exc, db.Duplication):
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status_code = 409
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else:
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LOG.exception(exc)
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status_code = 500
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title = 'Internal Server Error'
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body = {'title': title or exc.args[0], 'code': status_code}
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if self.debug:
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body['detail'] = six.text_type(exc)
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return webob.Response(
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body=json.dumps(body),
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status=status_code,
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content_type='application/json'
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)
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class CORSHook(pecan.hooks.PecanHook):
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"""A pecan hook that handles Cross-Origin Resource Sharing."""
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def __init__(self):
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"""Init the hook by getting the allowed origins."""
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self.allowed_origins = getattr(CONF.api, 'allowed_cors_origins', [])
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def after(self, state):
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"""Add CORS headers to the response.
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If the request's origin is in the list of allowed origins, add the
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CORS headers to the response.
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"""
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origin = state.request.headers.get('Origin', None)
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if origin in self.allowed_origins:
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state.response.headers['Access-Control-Allow-Origin'] = origin
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state.response.headers['Access-Control-Allow-Methods'] = \
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'GET, OPTIONS, PUT, POST'
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state.response.headers['Access-Control-Allow-Headers'] = \
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'origin, authorization, accept, content-type'
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state.response.headers['Access-Control-Allow-Credentials'] = 'true'
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def setup_app(config):
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"""App factory."""
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# By default we expect path to oslo config file in environment variable
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# REFSTACK_OSLO_CONFIG (option for testing and development)
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# If it is empty we look up those config files
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# in the following directories:
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# ~/.${project}/
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# ~/
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# /etc/${project}/
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# /etc/
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default_config_files = ((os.getenv('REFSTACK_OSLO_CONFIG'), )
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if os.getenv('REFSTACK_OSLO_CONFIG')
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else cfg.find_config_files('refstack'))
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CONF('',
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project='refstack',
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default_config_files=default_config_files)
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log.setup(CONF, 'refstack')
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CONF.log_opt_values(LOG, logging.DEBUG)
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template_path = CONF.api.template_path % {'project_root': PROJECT_ROOT}
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static_root = CONF.api.static_root % {'project_root': PROJECT_ROOT}
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app_conf = dict(config.app)
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app = pecan.make_app(
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app_conf.pop('root'),
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debug=CONF.api.app_dev_mode,
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static_root=static_root,
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template_path=template_path,
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hooks=[JSONErrorHook(), CORSHook(), pecan.hooks.RequestViewerHook(
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{'items': ['status', 'method', 'controller', 'path', 'body']},
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headers=False, writer=loggers.WritableLogger(LOG, logging.DEBUG)
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)]
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)
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beaker_conf = {
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'session.key': 'refstack',
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'session.type': 'ext:database',
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'session.url': CONF.database.connection,
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'session.timeout': 604800,
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'session.validate_key': api_utils.get_token(),
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}
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app = SessionMiddleware(app, beaker_conf)
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if CONF.api.app_dev_mode:
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LOG.debug('\n\n <<< Refstack UI is available at %s >>>\n\n',
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CONF.ui_url)
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return app
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