LB lookup and set in outputs

aws_data.tf

@@ -0,0 +1,12 @@
+data "kubernetes_service" "istio_ingressgateway" {
+  depends_on = [helm_release.ingress]
+  metadata {
+    name      = "istio-ingressgateway"
+    namespace = var.namespace
+  }
+}
+
+data "aws_lb" "lb" {
+  depends_on = [helm_release.ingress]
+  name       = split("-", data.kubernetes_service.istio_ingressgateway.status[0].load_balancer[0].ingress[0].hostname)[0]
+}

outputs.tf

@@ -12,7 +12,7 @@ output "module_version" {
   value       = local.module_version
 }
 
-output "istio_namespace" {
-  description = "The namespace used by istio."
-  value       = kubernetes_namespace.ns.metadata[0].name
+output "istio_ingress_lb" {
+  description = "The istio ingress load balancer DNS."
+  value       = data.aws_lb.lb.dns_name
 }