From 50899b589361c38d8c8941c636bfc805eb8e83e2 Mon Sep 17 00:00:00 2001
From: Johannes Rothe <mail@johannes-rothe.de>
Date: Fri, 15 Sep 2023 21:58:02 +0200
Subject: [PATCH] Add possibility to enable or disable public_ip4

---
 terraform/main.tf                                   | 2 ++
 terraform/modules/loadbalancer/main.tf              | 2 +-
 terraform/modules/loadbalancer/variables.tf         | 6 ++++++
 terraform/modules/private_server_group/main.tf      | 2 +-
 terraform/modules/private_server_group/variables.tf | 6 ++++++
 terraform/prod.tfvars                               | 1 +
 terraform/variables.tf                              | 6 ++++++
 7 files changed, 23 insertions(+), 2 deletions(-)

diff --git a/terraform/main.tf b/terraform/main.tf
index 064db19..1f85d9b 100644
--- a/terraform/main.tf
+++ b/terraform/main.tf
@@ -5,6 +5,7 @@ module "private_server_group" {
   server_count               = var.server_count
   server_subnetwork_ip_range = var.subnetwork_ip_range
   ssh_keys                   = var.ssh_keys
+  public_ipv4                = var.public_ipv4
 }
 
 module "loadbalancer" {
@@ -16,4 +17,5 @@ module "loadbalancer" {
   lb_external_ip = var.lb_external_ip
   lb_service_id  = var.lb_service_id
   ssh_key_ids    = module.private_server_group.ssh_key_ids
+  public_ipv4    = var.public_ipv4
 }
diff --git a/terraform/modules/loadbalancer/main.tf b/terraform/modules/loadbalancer/main.tf
index bb009e6..416a0b6 100644
--- a/terraform/modules/loadbalancer/main.tf
+++ b/terraform/modules/loadbalancer/main.tf
@@ -9,7 +9,7 @@ resource "hcloud_server" "lb" {
   ssh_keys = var.ssh_key_ids
 
   public_net {
-    ipv4_enabled = true
+    ipv4_enabled = var.public_ipv4
     ipv6_enabled = false
   }
 
diff --git a/terraform/modules/loadbalancer/variables.tf b/terraform/modules/loadbalancer/variables.tf
index 858fcbe..a3a8f58 100644
--- a/terraform/modules/loadbalancer/variables.tf
+++ b/terraform/modules/loadbalancer/variables.tf
@@ -53,3 +53,9 @@ variable "ssh_key_ids" {
   description = "SSH key IDs to add to the loadbalancer server"
   type        = list(number)
 }
+
+variable "public_ipv4" {
+  description = ""
+  type        = bool
+  default     = false
+}
diff --git a/terraform/modules/private_server_group/main.tf b/terraform/modules/private_server_group/main.tf
index f0e8142..2187d20 100644
--- a/terraform/modules/private_server_group/main.tf
+++ b/terraform/modules/private_server_group/main.tf
@@ -11,7 +11,7 @@ resource "hcloud_server" "private_node" {
   ssh_keys = hcloud_ssh_key.main[*].id
 
   public_net {
-    ipv4_enabled = true
+    ipv4_enabled = var.public_ipv4
     ipv6_enabled = false
   }
 
diff --git a/terraform/modules/private_server_group/variables.tf b/terraform/modules/private_server_group/variables.tf
index 02f25c0..8d3875d 100644
--- a/terraform/modules/private_server_group/variables.tf
+++ b/terraform/modules/private_server_group/variables.tf
@@ -47,3 +47,9 @@ variable "ssh_keys" {
   description = "SSH keys to add to the servers"
   type        = list(string)
 }
+
+variable "public_ipv4" {
+  description = ""
+  type        = bool
+  default     = false
+}
diff --git a/terraform/prod.tfvars b/terraform/prod.tfvars
index 9baa773..a584031 100644
--- a/terraform/prod.tfvars
+++ b/terraform/prod.tfvars
@@ -5,4 +5,5 @@ subnetwork_ip_range = "10.0.0.0/24"
 lb_internal_ip      = "10.0.0.100"
 lb_external_ip      = "167.235.105.161"
 lb_service_id       = 1399502
+public_ipv4         = true
 ssh_keys            = ["rothe.pub", "alt.pub"]
diff --git a/terraform/variables.tf b/terraform/variables.tf
index 9bdbaf9..8c4903b 100644
--- a/terraform/variables.tf
+++ b/terraform/variables.tf
@@ -43,3 +43,9 @@ variable "ssh_keys" {
   description = "SSH keys to add to servers"
   type        = list(string)
 }
+
+variable "public_ipv4" {
+  description = ""
+  type        = bool
+  default     = false
+}