82 lines
2.4 KiB
Python
82 lines
2.4 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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import os
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import uuid
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from oslo_config import cfg
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from oslo_log import log
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from paste import deploy
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import pecan
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from panko.api import hooks
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from panko.api import middleware
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from panko import service
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LOG = log.getLogger(__name__)
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def setup_app(root, conf):
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app_hooks = [hooks.ConfigHook(conf),
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hooks.DBHook(conf),
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hooks.TranslationHook()]
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return pecan.make_app(
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root,
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hooks=app_hooks,
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wrap_app=middleware.ParsableErrorMiddleware,
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guess_content_type_from_ext=False
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)
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# NOTE(sileht): pastedeploy uses ConfigParser to handle
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# global_conf, since python 3 ConfigParser doesn't
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# allow to store object as config value, only strings are
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# permit, so to be able to pass an object created before paste load
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# the app, we store them into a global var. But the each loaded app
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# store it's configuration in unique key to be concurrency safe.
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global APPCONFIGS
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APPCONFIGS = {}
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def load_app(conf, appname='panko+keystone'):
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global APPCONFIGS
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# Build the WSGI app
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cfg_path = conf.api_paste_config
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if not os.path.isabs(cfg_path):
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cfg_path = conf.find_file(cfg_path)
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if cfg_path is None or not os.path.exists(cfg_path):
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raise cfg.ConfigFilesNotFoundError([conf.api_paste_config])
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config = dict(conf=conf)
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configkey = str(uuid.uuid4())
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APPCONFIGS[configkey] = config
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LOG.info("Full WSGI config used: %s" % cfg_path)
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return deploy.loadapp("config:" + cfg_path, name=appname,
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global_conf={'configkey': configkey})
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def build_wsgi_app(argv=None):
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return load_app(service.prepare_service(argv=argv))
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def app_factory(global_config, **local_conf):
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global APPCONFIGS
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conf = APPCONFIGS.get(global_config.get('configkey'))
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return setup_app(root=local_conf.get('root'), **conf)
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