88 lines
2.7 KiB
Python
88 lines
2.7 KiB
Python
# Copyright 2017 FUJITSU LIMITED
|
|
# Copyright 2018 OP5 AB
|
|
#
|
|
# 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 sys
|
|
|
|
from oslo_config import cfg
|
|
from oslo_log import log
|
|
from oslo_policy import opts as policy_opts
|
|
|
|
from monasca_api import conf
|
|
from monasca_api import version
|
|
|
|
CONF = conf.CONF
|
|
LOG = log.getLogger(__name__)
|
|
|
|
_CONF_LOADED = False
|
|
_GUNICORN_MARKER = 'gunicorn'
|
|
|
|
|
|
def parse_args(argv=None):
|
|
"""Loads application configuration.
|
|
|
|
Loads entire application configuration just once.
|
|
|
|
"""
|
|
global _CONF_LOADED
|
|
if _CONF_LOADED:
|
|
LOG.debug('Configuration has been already loaded')
|
|
return
|
|
|
|
log.set_defaults()
|
|
log.register_options(CONF)
|
|
|
|
argv = (argv if argv is not None else sys.argv[1:])
|
|
args = ([] if _is_running_under_gunicorn() else argv or [])
|
|
|
|
CONF(args=args,
|
|
prog=sys.argv[1:],
|
|
project='monasca',
|
|
version=version.version_str,
|
|
default_config_files=get_config_files(),
|
|
description='RESTful API for alarming in the cloud')
|
|
|
|
log.setup(CONF,
|
|
product_name='monasca-api',
|
|
version=version.version_str)
|
|
conf.register_opts()
|
|
policy_opts.set_defaults(CONF)
|
|
|
|
_CONF_LOADED = True
|
|
|
|
|
|
def get_config_files():
|
|
"""Get the possible configuration files accepted by oslo.config
|
|
|
|
This also includes the deprecated ones
|
|
"""
|
|
# default files
|
|
conf_files = cfg.find_config_files(project='monasca', prog='monasca-api')
|
|
# deprecated config files (only used if standard config files are not there)
|
|
if len(conf_files) == 0:
|
|
for prog_name in ['api', 'api-config']:
|
|
old_conf_files = cfg.find_config_files(project='monasca', prog=prog_name)
|
|
if len(old_conf_files) > 0:
|
|
LOG.warning('Found deprecated old location "{}" '
|
|
'of main configuration file'.format(old_conf_files))
|
|
conf_files += old_conf_files
|
|
return conf_files
|
|
|
|
|
|
def _is_running_under_gunicorn():
|
|
"""Evaluates if api runs under gunicorn."""
|
|
content = filter(lambda x: x != sys.executable and _GUNICORN_MARKER in x,
|
|
sys.argv or [])
|
|
return len(list(content) if not isinstance(content, list) else content) > 0
|