From 805e57076bd3de36edfc9a7793ef555a0abc3e46 Mon Sep 17 00:00:00 2001
From: mcgin314 <luther.coleman.mcginty@census.gov>
Date: Wed, 16 Oct 2024 13:32:47 -0400
Subject: [PATCH] Change istio LB from data_source to variable

---
 aws_data.tf  | 13 -------------
 main.tf      |  2 +-
 variables.tf |  5 ++---
 3 files changed, 3 insertions(+), 17 deletions(-)

diff --git a/aws_data.tf b/aws_data.tf
index 7bfda66..050df9e 100644
--- a/aws_data.tf
+++ b/aws_data.tf
@@ -21,16 +21,3 @@ data "aws_vpc" "dummy_vpc" {
     values = ["vpc0-dummy"]
   }
 }
-
-data "kubernetes_service" "istio_ingressgateway" {
-  depends_on = [aws_route53_zone.cluster_domain]
-  metadata {
-    name      = "istio-ingressgateway"
-    namespace = var.istio_namespace
-  }
-}
-
-data "aws_lb" "lb" {
-  depends_on = [aws_route53_zone.cluster_domain]
-  name       = split("-", data.kubernetes_service.istio_ingressgateway.status[0].load_balancer[0].ingress[0].hostname)[0]
-}
diff --git a/main.tf b/main.tf
index e3aa51e..3c5a378 100644
--- a/main.tf
+++ b/main.tf
@@ -100,6 +100,6 @@ module "cname_cluster_domain" {
   source = "git@github.e.it.census.gov:terraform-modules/aws-dns//cname"
 
   name   = format("%v.%v", "*", local.cluster_domain_name)
-  values = data.aws_lb.lb.dns_name
+  values = var.istio_ingress_lb
   zone   = aws_route53_zone.cluster_domain.zone_id
 }
diff --git a/variables.tf b/variables.tf
index 3387100..576605a 100644
--- a/variables.tf
+++ b/variables.tf
@@ -47,10 +47,9 @@ variable "os_username" {
 # DNS variables
 ###################################################################
 
-variable "istio_namespace" {
-  description = "The namespace to install the istio components. Defaults to 'istio-system'"
+variable "istio_ingress_lb" {
+  description = "The istio ingress load balancer DNS."
   type        = string
-  default     = "istio-system"
 }
 
 variable "region_map" {