validate aws_alb_target_group name is less than 32 characters (#11699)

builtin/providers/aws/resource_aws_alb_target_group.go

@@ -37,9 +37,10 @@ func resourceAwsAlbTargetGroup() *schema.Resource {
 			},
 
 			"name": {
-				Type:     schema.TypeString,
-				Required: true,
-				ForceNew: true,
+				Type:         schema.TypeString,
+				Required:     true,
+				ForceNew:     true,
+				ValidateFunc: validateAwsAlbTargetGroupName,
 			},
 
 			"port": {
@@ -436,6 +437,14 @@ func validateAwsAlbTargetGroupHealthCheckProtocol(v interface{}, k string) (ws [
 	return
 }
 
+func validateAwsAlbTargetGroupName(v interface{}, k string) (ws []string, errors []error) {
+	name := v.(string)
+	if len(name) > 32 {
+		errors = append(errors, fmt.Errorf("%q (%q) cannot be longer than '32' characters", k, name))
+	}
+	return
+}
+
 func validateAwsAlbTargetGroupPort(v interface{}, k string) (ws []string, errors []error) {
 	port := v.(int)
 	if port < 1 || port > 65536 {