class Aws::SharedConfig

def get_config_value(key, opts)

Return a value from credentials preferentially over config
Only loads a value when config_enabled is true
Get a config value from from shared credential/config files. 
def get_config_value(key, opts)
  p = opts[:profile] || @profile_name
  value = @parsed_credentials.fetch(p, {})[key] if @parsed_credentials
  value ||= @parsed_config.fetch(p, {})[key] if @config_enabled && @parsed_config
  value
end