Add validation for Endpoints

pkg/util/validation.go

@@ -91,7 +91,7 @@ func IsValidPortNum(port int) bool {
 	return 0 < port && port < 65536
 }
 
-// IsValidIP tests that the argument is a valid IPv4 address.
-func IsValidIP(value string) bool {
+// IsValidIPv4 tests that the argument is a valid IPv4 address.
+func IsValidIPv4(value string) bool {
 	return net.ParseIP(value) != nil && net.ParseIP(value).To4() != nil
 }

pkg/util/validation_test.go

@@ -232,7 +232,7 @@ func TestIsValidIP(t *testing.T) {
 		"0.0.0.0",
 	}
 	for _, val := range goodValues {
-		if !IsValidIP(val) {
+		if !IsValidIPv4(val) {
 			t.Errorf("expected true for %q", val)
 		}
 	}
@@ -247,7 +247,7 @@ func TestIsValidIP(t *testing.T) {
 		"1.0.0.1.",
 	}
 	for _, val := range badValues {
-		if IsValidIP(val) {
+		if IsValidIPv4(val) {
 			t.Errorf("expected false for %q", val)
 		}
 	}