From fd9ee57a0b38a8040919ec67fad03698f727bff4 Mon Sep 17 00:00:00 2001
From: Thomas Hintz <t@thintz.com>
Date: Mon, 11 Aug 2025 06:02:37 -0700
Subject: [PATCH] Uses reserved ip address.

---
 cl/machine-mynode.yaml.tmpl |  2 +-
 main.tf                     | 19 +++++++++++++++++++
 2 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/cl/machine-mynode.yaml.tmpl b/cl/machine-mynode.yaml.tmpl
index b28d86e..146d17a 100644
--- a/cl/machine-mynode.yaml.tmpl
+++ b/cl/machine-mynode.yaml.tmpl
@@ -15,4 +15,4 @@ storage:
           set -euo pipefail
           # This script demonstrates how templating and variable substitution works when using Terraform templates for Container Linux Configs.
           hostname="$(hostname)"
-          echo My name is ${name} and the hostname is $${hostname} and this is updated!
+          echo My name is ${name} and the hostname is $${hostname} and this is updated, again 4x!
diff --git a/main.tf b/main.tf
index dafcb15..4793845 100644
--- a/main.tf
+++ b/main.tf
@@ -70,6 +70,12 @@ resource "digitalocean_custom_image" "flatcar" {
   regions = [var.datacenter]
 }
 
+resource "digitalocean_reserved_ip" "machine" {
+  for_each  = toset(var.machines)
+  # droplet_id = digitalocean_droplet.machine[each.key].id
+  region     = digitalocean_droplet.machine[each.key].region
+}
+
 resource "digitalocean_droplet" "machine" {
   for_each  = toset(var.machines)
   name      = "${var.cluster_name}-${each.key}"
@@ -83,6 +89,12 @@ resource "digitalocean_droplet" "machine" {
   }
 }
 
+resource "digitalocean_reserved_ip_assignment" "machine" {
+  for_each  = toset(var.machines)
+  ip_address = digitalocean_reserved_ip.machine[each.key].ip_address
+  droplet_id = digitalocean_droplet.machine[each.key].id
+}
+
 data "ct_config" "machine-ignitions" {
   for_each = toset(var.machines)
   content = templatefile("${path.module}/cl/machine-${each.key}.yaml.tmpl", {
@@ -98,3 +110,10 @@ output "ip-addresses" {
     "${var.cluster_name}-${key}" => digitalocean_droplet.machine[key].ipv4_address
   }
 }
+
+output "reserved-ip-addresses" {
+  value = {
+    for key in var.machines :
+    "${var.cluster_name}-${key}" => digitalocean_reserved_ip.machine[key].ip_address
+  }
+}