Switching to subdomain list and flatcar "trees" spec.

main.tf

@@ -74,6 +74,11 @@ variable "domain" {
   description = "Root domain to use"
 }
 
+variable "subdomains" {
+  type = list
+  description = "Subdomains to setup"
+}
+
 provider "digitalocean" {
   token = var.do_token
 }
@@ -97,15 +102,25 @@ resource "digitalocean_reserved_ip" "machine" {
   region     = digitalocean_droplet.machine.region
 }
 
-resource "cloudflare_dns_record" "machine" {
+resource "cloudflare_dns_record" "root" {
   zone_id = var.cloudflare_zone_id
-  name    = "wg-easy"
+  name    = "@"
   content   = digitalocean_reserved_ip.machine.ip_address
   type    = "A"
   proxied = false
   ttl = 300
 }
 
+resource "cloudflare_dns_record" "subdomains" {
+  for_each  = toset(var.subdomains)
+  zone_id = var.cloudflare_zone_id
+  name    = each.key
+  content   = var.domain
+  type    = "CNAME"
+  proxied = false
+  ttl = 300
+}
+
 resource "digitalocean_volume" "machine" {
   region    = var.datacenter
   name      = "${var.cluster_name}"
@@ -146,6 +161,6 @@ resource "digitalocean_volume_attachment" "machine" {
 
 output "domain-mappings" {
   value = {
-    "wg-easy.${var.domain}" = digitalocean_reserved_ip.machine.ip_address
+    "${var.domain}" = digitalocean_reserved_ip.machine.ip_address
   }
 }