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# -*- coding: utf-8 -*-
# config.py
# Copyright (C) 2016 LEAP
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import configparser
import os
from twisted.logger import Logger
__all__ = ['get_config']
logger = Logger()
# make sure to update documentation if this default is changed.
DEFAULT_CONFIG_FILE = '/etc/soledad/soledad-server.conf'
CONFIG_DEFAULTS = {
'soledad-server': {
'couch_url': 'http://localhost:5984',
'create_cmd': None,
'admin_netrc': '/etc/couchdb/couchdb-admin.netrc',
'batching': True,
'blobs': False,
'blobs_path': '/var/lib/soledad/blobs',
'services_tokens_file': '/etc/soledad/services.tokens',
'concurrent_blob_writes': 50,
},
'database-security': {
'members': ['soledad'],
'members_roles': [],
'admins': [],
'admins_roles': []
}
}
def _load_from_file(file_path):
logger.info('Loading configuration from %s' % file_path)
conf = dict(CONFIG_DEFAULTS)
parsed = configparser.SafeConfigParser()
parsed.read(file_path)
for section in conf:
if not parsed.has_section(section):
continue
for key, value in conf[section].items():
if not parsed.has_option(section, key):
continue
elif type(value) == bool:
conf[section][key] = parsed.getboolean(section, key)
elif type(value) == list:
values = parsed.get(section, key).split(',')
values = [v.strip() for v in values]
conf[section][key] = values
else:
conf[section][key] = parsed.get(section, key)
# TODO: implement basic parsing/sanitization of options comming from
# parsed file.
return conf
def _reflect_environment(conf):
from_environment = ['couch_url']
for option in from_environment:
name = 'SOLEDAD_%s' % option.upper()
value = os.environ.get(name)
if value:
logger.info('Using %s=%s because of %s environment variable.'
% (option, value, name))
conf['soledad-server'][option] = value
return conf
def _load_config(file_path):
conf = _load_from_file(file_path)
conf = _reflect_environment(conf)
return conf
_config = None
def get_config(section='soledad-server'):
global _config
if not _config:
fname = os.environ.get(
'SOLEDAD_SERVER_CONFIG_FILE', DEFAULT_CONFIG_FILE)
_config = _load_config(fname)
return _config[section]
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