Amazon.EC2.Util.EC2Metadata.GetData C# (CSharp) Метод

        public static string GetData(string path)
        {
            return GetData(path, DEFAULT_RETRIES);
        }

        private string GetData(string key)
        {
            if (_data.ContainsKey(key))
            {
                return(_data[key]);
            }

            // Since the keys are variable, cache a list of which ones are available
            // to prevent unnecessary trips to the service.
            if (null == _availableKeys)
            {
                _availableKeys = EC2Metadata.GetItems(_path);
            }

            if (_availableKeys.Contains(key))
            {
                _data[key] = EC2Metadata.GetData(_path + key);
                return(_data[key]);
            }
            else
            {
                return(null);
            }
        }