Monasca Database Persister
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monasca-persister/monasca_persister/config.py

69 lines
2.1 KiB

# Copyright 2017 FUJITSU 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.
import sys
from oslo_config import cfg
from oslo_log import log
from monasca_persister import conf
from monasca_persister import version
CONF = conf.CONF
LOG = log.getLogger(__name__)
_CONF_LOADED = False
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-persister')
# deprecated config files (only used if standard config files are not there)
if len(conf_files) == 0:
old_conf_files = cfg.find_config_files(project='monasca',
prog='persister')
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 parse_args(description='Persists metrics & alarm history in TSDB'):
global _CONF_LOADED
if _CONF_LOADED:
LOG.debug('Configuration has been already loaded')
return
log.set_defaults()
log.register_options(CONF)
CONF(prog=sys.argv[1:],
project='monasca',
version=version.version_str,
default_config_files=_get_config_files(),
description=description)
log.setup(CONF,
product_name='monasca-persister',
version=version.version_str)
conf.register_opts()
_CONF_LOADED = True