cyborg/cyborg/api/app.py

78 lines
2.2 KiB
Python

# Copyright 2017 Huawei Technologies Co.,LTD.
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import os
import pecan
from oslo_config import cfg
from oslo_log import log
from paste import deploy
from cyborg.api import config
from cyborg.api import hooks
from cyborg.api import middleware
import cyborg.conf
CONF = cyborg.conf.CONF
LOG = log.getLogger(__name__)
def get_pecan_config():
# Set up the pecan configuration
filename = config.__file__.replace('.pyc', '.py')
return pecan.configuration.conf_from_file(filename)
def setup_app(pecan_config=None, extra_hooks=None):
if not pecan_config:
pecan_config = get_pecan_config()
app_hooks = [hooks.ConfigHook(),
hooks.ConductorAPIHook(),
hooks.ContextHook(pecan_config.app.acl_public_routes),
hooks.PublicUrlHook()]
if extra_hooks:
app_hooks.extend(extra_hooks)
app_conf = dict(pecan_config.app)
app = pecan.make_app(
app_conf.pop('root'),
force_canonical=getattr(pecan_config.app, 'force_canonical', True),
hooks=app_hooks,
wrap_app=middleware.ParsableErrorMiddleware,
**app_conf
)
return app
def load_app():
cfg_file = None
cfg_path = CONF.api.api_paste_config
if not os.path.isabs(cfg_path):
cfg_file = CONF.find_file(cfg_path)
elif os.path.exists(cfg_path):
cfg_file = cfg_path
if not cfg_file:
raise cfg.ConfigFilesNotFoundError([CONF.api.api_paste_config])
LOG.info("Full WSGI config used: %s", cfg_file)
return deploy.loadapp("config:" + cfg_file)
def app_factory(global_config, **local_conf):
return setup_app()