EXO-6: [NEW] update main.tf, variables.tf - refactor dns_name to dns_names

Author: devops-wien-user

kubernetes/ingress/main.tf

@@ -1,8 +1,9 @@
 resource "kubernetes_ingress_v1" "generic-ingress" {
+  for_each = toset(var.dns_names)
   metadata {
-    name   = var.dns_name
+    name   = each.key
     labels = {
-      app = var.dns_name
+      app = each.key
     }
     annotations = {
       "cert-manager.io/cluster-issuer": "letsencrypt-prod"
@@ -14,7 +15,7 @@ resource "kubernetes_ingress_v1" "generic-ingress" {
   }
   spec {
     rule {
-      host = var.dns_name
+      host = each.key
       http {
         path {
           path = "/"
@@ -31,8 +32,8 @@ resource "kubernetes_ingress_v1" "generic-ingress" {
     }
 
     tls {
-      hosts       = [var.dns_name]
-      secret_name = var.dns_name
+      hosts       = [each.key]
+      secret_name = each.key
     }
   }
 }

kubernetes/ingress/variable.tf

@@ -2,6 +2,6 @@ variable "name" {
   type = string
 }
 
-variable "dns_name" {
-  type = string
+variable "dns_names" {
+  type = list(string)
 }

main.tf

@@ -14,7 +14,7 @@ module "kubernetes-service" {
 }
 
 module "kubernetes-ingress" {
-  source   = "./kubernetes/ingress"
-  dns_name = var.dns_name
-  name     = var.name
+  source    = "./kubernetes/ingress"
+  dns_names = var.dns_names
+  name      = var.name
 }

variables.tf

@@ -3,9 +3,9 @@ variable "name" {
   default = "deployment"
 }
 
-variable "dns_name" {
-  type    = string
-  default = "example.com"
+variable "dns_names" {
+  type    = list(string)
+  default = ["example.com"]
 }
 
 variable "target_port" {