| #!/usr/bin/env python |
| """ |
| Licensed to the Apache Software Foundation (ASF) under one |
| or more contributor license agreements. See the NOTICE file |
| distributed with this work for additional information |
| regarding copyright ownership. The ASF licenses this file |
| to you 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. |
| |
| Ambari Agent |
| |
| """ |
| |
| __all__ = ["default"] |
| from resource_management.libraries.script import Script |
| from resource_management.libraries.script.config_dictionary import UnknownConfiguration |
| from resource_management.core.logger import Logger |
| |
| default_subdict='/configurations/global' |
| |
| def default(name, default_value): |
| subdicts = filter(None, name.split('/')) |
| |
| if not name.startswith('/'): |
| subdicts = filter(None, default_subdict.split('/')) + subdicts |
| |
| curr_dict = Script.get_config() |
| for x in subdicts: |
| if x in curr_dict: |
| curr_dict = curr_dict[x] |
| else: |
| if not isinstance(default_value, UnknownConfiguration): |
| Logger.debug("Cannot find configuration: '%s'. Using '%s' value as default" % (name, default_value)) |
| return default_value |
| |
| return curr_dict |