CloudWatchMonitor.MonitorService.PopulateRegion C# (CSharp) Метод

        private bool PopulateRegion()
        {
            if (!String.IsNullOrEmpty(_regionName))
                return true;

            // Call to AWS to get the current availability zone
            string availabilityZone;
            try
            {
                // Get the instance id
                Uri uri = new Uri("http://169.254.169.254/latest/meta-data/placement/availability-zone");

                var client = new System.Net.WebClient();
                availabilityZone = client.DownloadString(uri);

                Info("Availability Zone: {0}", availabilityZone);
            }
            catch (Exception e)
            {
                Error("Error getting availability zone: {0}", e.Message);
                return false;
            }

            // Assume that the region can be determined by stripping off the trailing a,b,c, etc.
            // This is ok now, but perhaps not in the future.
            _regionName = availabilityZone.Substring(0, availabilityZone.Length - 1);
            Info("Region: {0}", _regionName);

            return true;
        }