fix public dns

public_dns.tf

@@ -4,7 +4,7 @@ data "gandi_domain" "public_domain" {
 
 resource "gandi_livedns_record" "api_record" {
   zone = data.gandi_domain.public_domain.id
-  name = "api.ocp4"
+  name = "api.${var.cluster_name}"
   type = "A"
   ttl  = 300
   values = [
@@ -14,7 +14,7 @@ resource "gandi_livedns_record" "api_record" {
 
 resource "gandi_livedns_record" "router_record" {
   zone = data.gandi_domain.public_domain.id
-  name = "*.apps.ocp4"
+  name = "*.apps.${var.cluster_name}"
   type = "A"
   ttl  = 300
   values = [