Adding comments

pkg/cloudprovider/providers/aws/aws.go

@@ -300,7 +300,16 @@ type CloudConfig struct {
 		//has setup a rule that allows inbound traffic on kubelet ports from the
 		//local VPC subnet (so load balancers can access it). E.g. 10.82.0.0/16 30000-32000.
 		DisableSecurityGroupIngress bool
-		
+
+		//During the instantiation of an new AWS cloud provider, the detected region
+		//is validated against a known set of regions.
+		//
+		//In a non-standard, AWS like environment (e.g. Eucalyptus), this check may 
+		//be undesirable.  Setting this to true will disable the check and provide 
+		//a warning that the check was skipped.  Please note that this is an 
+		//experimental feature and work-in-progress for the moment.  If you find 
+		//yourself in an non-AWS cloud and open an issue, please indicate that in the
+		//issue body.
 		DisableStrictZoneCheck bool
 	}
 }