# Copyright 2017 AT&T Intellectual Property. All other 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 logging as py_logging
import os
from oslo_config import cfg
from oslo_log import log as logging
from oslo_policy import policy
from paste import deploy
from deckhand.db.sqlalchemy import api as db_api
CONF = cfg.CONF
logging.register_options(CONF)
LOG = logging.getLogger(__name__)
CONFIG_FILES = {
'conf': 'deckhand.conf',
'paste': 'deckhand-paste.ini'
}
_NO_AUTH_CONFIG = 'noauth-paste.ini'
def _get_config_files(env=None):
if env is None:
env = os.environ
config_files = CONFIG_FILES.copy()
dirname = env.get('DECKHAND_CONFIG_DIR', '/etc/deckhand').strip()
# Workaround the fact that this reads from a config file to determine which
# paste.ini file to use for server instantiation. This chicken and egg
# problem is solved by using ConfigParser below.
conf_path = os.path.join(dirname, config_files['conf'])
temp_conf = {}
config_parser = cfg.ConfigParser(conf_path, temp_conf)
config_parser.parse()
use_development_mode = (
temp_conf['DEFAULT'].get('development_mode') == ['true']
)
if use_development_mode:
config_files['paste'] = _NO_AUTH_CONFIG
LOG.warning('Development mode enabled - Keystone authentication '
'disabled.')
return {
key: os.path.join(dirname, file) for key, file in config_files.items()
}
[docs]def setup_logging(conf):
logging.set_defaults(default_log_levels=logging.get_default_log_levels())
logging.setup(conf, 'deckhand')
py_logging.captureWarnings(True)
[docs]def init_application():
"""Main entry point for initializing the Deckhand API service.
Create routes for the v1.0 API and sets up logging.
"""
config_files = _get_config_files()
paste_file = config_files['paste']
CONF([],
project='deckhand',
default_config_files=list(config_files.values()))
setup_logging(CONF)
policy.Enforcer(CONF)
LOG.debug('Starting WSGI application using %s configuration file.',
paste_file)
db_api.setup_db(CONF.database.connection)
app = deploy.loadapp('config:%s' % paste_file, name='deckhand_api')
return app
if __name__ == '__main__':
init_application()