53 lines
1.8 KiB
Python
53 lines
1.8 KiB
Python
# Copyright (c) 2014 Hewlett-Packard Development Company, L.P.
|
|
#
|
|
# 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 json
|
|
import os
|
|
import threading
|
|
|
|
_json_path = os.path.join(
|
|
os.path.dirname(os.path.realpath(__file__)), 'defaults.json')
|
|
_defaults = None
|
|
_defaults_lock = threading.Lock()
|
|
|
|
|
|
def get_defaults():
|
|
global _defaults
|
|
if _defaults is not None:
|
|
return _defaults.copy()
|
|
with _defaults_lock:
|
|
if _defaults is not None:
|
|
# Did someone else just finish filling it?
|
|
return _defaults.copy()
|
|
# Python language specific defaults
|
|
# These are defaults related to use of python libraries, they are
|
|
# not qualities of a cloud.
|
|
#
|
|
# NOTE(harlowja): update a in-memory dict, before updating
|
|
# the global one so that other callers of get_defaults do not
|
|
# see the partially filled one.
|
|
tmp_defaults = dict(
|
|
api_timeout=None,
|
|
verify=True,
|
|
cacert=None,
|
|
cert=None,
|
|
key=None,
|
|
)
|
|
with open(_json_path, 'r') as json_file:
|
|
updates = json.load(json_file)
|
|
if updates is not None:
|
|
tmp_defaults.update(updates)
|
|
_defaults = tmp_defaults
|
|
return tmp_defaults.copy()
|