97 lines
2.5 KiB
Python
97 lines
2.5 KiB
Python
#
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# Copyright 2015 Mirantis, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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#
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import os
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from bunch import Bunch
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import yaml
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CWD = os.getcwd()
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C = Bunch(solar_db="")
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C.celery_broker = 'sqla+sqlite:////tmp/celery.db'
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C.celery_backend = 'db+sqlite:////tmp/celery.db'
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C.riak_ensemble = False
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C.lock_bucket_type = None
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C.counter_bucket_type = None
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C.log_file = 'solar.log'
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C.system_log_address = 'ipc:///tmp/solar_system_log'
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C.tasks_address = 'ipc:///tmp/solar_tasks'
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C.scheduler_address = 'ipc:///tmp/solar_scheduler'
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def _lookup_vals(setter, config, prefix=None):
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for key, val in config.iteritems():
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if prefix is None:
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sub = [key]
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else:
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sub = prefix + [key]
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if isinstance(val, Bunch):
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_lookup_vals(setter, val, sub)
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else:
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setter(config, sub)
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def from_configs():
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paths = [
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os.getenv('SOLAR_CONFIG', os.path.join(CWD, '.config')),
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os.getenv('SOLAR_CONFIG_OVERRIDE', None),
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os.path.join(CWD, '.config.override')
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]
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data = {}
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def _load_from_path(data, path):
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with open(path) as f:
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loaded = yaml.load(f)
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if loaded:
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data.update(loaded)
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for path in paths:
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if not path:
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continue
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if not os.path.exists(path):
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continue
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if not os.path.isfile(path):
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continue
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with open(path) as f:
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loaded = yaml.load(f)
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if loaded:
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data.update(loaded)
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def _setter(config, path):
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vals = data
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for key in path:
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if key not in vals:
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return
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vals = vals[key]
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config[path[-1]] = vals
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if data:
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_lookup_vals(_setter, C)
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def from_env():
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def _setter(config, path):
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env_key = '_'.join(path).upper()
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if env_key in os.environ:
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config[path[-1]] = os.environ[env_key]
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_lookup_vals(_setter, C)
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from_configs()
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from_env()
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