text: """
  Copyright 2016-2017 Ellation, Inc.
  
  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.
  """
  
  from __future__ import print_function
  import os
  import sys
  
  import boto3
  from botocore.exceptions import ClientError
  import yaml
  
  import ef_utils
  
  
  class EFSiteConfig(object):
    """
    Loads ef_site_config.yml
    """
  
    def __init__(self):
      self._ef_site_config = os.path.join(os.getcwd(), "ef_site_config.yml")
      self.ssm_parameter_name = os.environ.get('EF_SSM_SITE_CONFIG_LOCATION', '/efopen/ef_site_config')
      self.ssm_region = os.environ.get('EF_SSM_SITE_CONFIG_REGION', 'us-west-2')
  
    def load(self):
      """Loads the config"""
      whereami = ef_utils.whereami()
      if whereami == 'ec2':
        try:
          return self.load_from_ssm()
        except ClientError as e:
          pass
      return self.load_from_local_file()
  
    def load_from_ssm(self):
      ssm = boto3.client('ssm', region_name=self.ssm_region)
      parameter_entry = ssm.get_parameter(Name=self.ssm_parameter_name)
      site_config = parameter_entry['Parameter']['Value']
      return yaml.safe_load(site_config)
  
    def load_from_local_file(self):
      try:
        with open(self._ef_site_config, 'r') as yml_file:
          return yaml.safe_load(yml_file)
      except (IOError, yaml.parser.ParserError) as error:
        print("Error: {}".format(error), file=sys.stderr)
        sys.exit(1)
  