RETIRED, Function as a Service for OpenStack
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# Copyright 2017 Catalyst IT Limited
#
# 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.
from oslo_config import cfg
from oslo_log import log as logging
import oslo_middleware.cors as cors_middleware
import oslo_middleware.http_proxy_to_wsgi as http_proxy_to_wsgi_middleware
import pecan
from qinling.api import access_control
from qinling import config as q_config
from qinling import context as ctx
from qinling.db import api as db_api
from qinling.services import periodics
LOG = logging.getLogger(__name__)
def get_pecan_config():
# Set up the pecan configuration.
opts = cfg.CONF.pecan
cfg_dict = {
"app": {
"root": opts.root,
"modules": opts.modules,
"debug": opts.debug,
"auth_enable": opts.auth_enable
}
}
return pecan.configuration.conf_from_dict(cfg_dict)
def setup_app(config=None):
if not config:
config = get_pecan_config()
q_config.set_config_defaults()
app_conf = dict(config.app)
db_api.setup_db()
if cfg.CONF.api.enable_job_handler:
LOG.info('Starting periodic tasks...')
periodics.start_job_handler()
app = pecan.make_app(
app_conf.pop('root'),
hooks=lambda: [ctx.ContextHook(), ctx.AuthHook()],
logging=getattr(config, 'logging', {}),
**app_conf
)
# Set up access control.
app = access_control.setup(app)
# Create HTTPProxyToWSGI wrapper
app = http_proxy_to_wsgi_middleware.HTTPProxyToWSGI(app, cfg.CONF)
# Create a CORS wrapper, and attach mistral-specific defaults that must be
# included in all CORS responses.
return cors_middleware.CORS(app, cfg.CONF)
def init_wsgi():
# By default, oslo.config parses the CLI args if no args is provided.
# As a result, invoking this wsgi script from gunicorn leads to the error
# with argparse complaining that the CLI options have already been parsed.
q_config.parse_args(args=[])
return setup_app()