policy_module/osm_policy_module/core/config.py

   1 # -*- coding: utf-8 -*-
   2
   3 # Copyright 2018 Whitestack, LLC
   4 # *************************************************************
   5
   6 # This file is part of OSM Monitoring module
   7 # All Rights Reserved to Whitestack, LLC
   8
   9 # Licensed under the Apache License, Version 2.0 (the "License"); you may
  10 # not use this file except in compliance with the License. You may obtain
  11 # a copy of the License at
  12
  13 #         http://www.apache.org/licenses/LICENSE-2.0
  14
  15 # Unless required by applicable law or agreed to in writing, software
  16 # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
  17 # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
  18 # License for the specific language governing permissions and limitations
  19 # under the License.
  20
  21 # For those usages not covered by the Apache License, Version 2.0 please
  22 # contact: bdiaz@whitestack.com or glavado@whitestack.com
  23 ##"""Global Configuration."""
  24
  25 import logging
  26
  27 from osm_policy_module.core.singleton import Singleton
  28
  29 try:
  30     from configparser import ConfigParser
  31 except ImportError:
  32     from ConfigParser import ConfigParser
  33
  34 log = logging.getLogger(__name__)
  35
  36
  37 @Singleton
  38 class Config(object):
  39     """Global configuration."""
  40
  41     def __init__(self):
  42         # Default config values
  43         self.config = {
  44             'policy_module': {
  45                 'kafka_server_host': '127.0.0.1',
  46                 'kafka_server_port': '9092',
  47                 'log_dir': 'stdout',
  48                 'log_level': 'INFO'
  49             },
  50         }
  51
  52     def load_file(self, config_file_path):
  53         if config_file_path:
  54             config_parser = ConfigParser()
  55             config_parser.read(config_file_path)
  56             for section in config_parser.sections():
  57                 for key, value in config_parser.items(section):
  58                     if section not in self.config:
  59                         self.config[section] = {}
  60                     self.config[section][key] = value
  61
  62     def get(self, group, name=None, default=None):
  63         if group in self.config:
  64             if name is None:
  65                 return self.config[group]
  66             return self.config[group].get(name, default)
  67         return default