From 7a9b270092cf6655536f37eb3df5015f10554818 Mon Sep 17 00:00:00 2001
From: mclacore <michael@massdriver.cloud>
Date: Tue, 6 Feb 2024 14:22:14 -0800
Subject: [PATCH] Adding k8s-external-dns-azure multiple DNS zone support

---
 k8s-external-dns-azure/iam.tf  | 4 +++-
 k8s-external-dns-azure/main.tf | 5 +++--
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/k8s-external-dns-azure/iam.tf b/k8s-external-dns-azure/iam.tf
index 47e3a270..31fef9df 100644
--- a/k8s-external-dns-azure/iam.tf
+++ b/k8s-external-dns-azure/iam.tf
@@ -29,8 +29,10 @@ resource "azurerm_role_assignment" "external_dns" {
 }
 
 resource "kubernetes_secret" "external_dns" {
+  for_each = { for zone in var.azure_dns_zones.dns_zones : zone => zone }
+
   metadata {
-    name      = "external-dns-auth"
+    name      = "external-dns-auth-${each.value}"
     namespace = var.namespace
     labels    = var.md_metadata.default_tags
   }
diff --git a/k8s-external-dns-azure/main.tf b/k8s-external-dns-azure/main.tf
index 031e0c1e..51e2cc8c 100644
--- a/k8s-external-dns-azure/main.tf
+++ b/k8s-external-dns-azure/main.tf
@@ -1,15 +1,16 @@
 module "external-dns" {
+  for_each           = { for zone in var.azure_dns_zones.dns_zones : zone => zone }
   source             = "../k8s-external-dns"
   md_metadata        = var.md_metadata
   kubernetes_cluster = var.kubernetes_cluster
-  release            = var.release
+  release            = regex("^[a-z0-9-]+", "${var.release}-${each.value}")
   namespace          = var.namespace
   domain_filters     = local.domain_filters
   helm_additional_values = {
     extraVolumes = [{
       name = "azure-config-file"
       secret = {
-        secretName = kubernetes_secret.external_dns.metadata[0].name
+        secretName = kubernetes_secret.external_dns[each.key].metadata[0].name
         items = [{
           key  = "azure.json"
           path = "azure.json"