From 99cbd4b995d86bc4ed92c6006b437bf62a9ad9aa Mon Sep 17 00:00:00 2001
From: JuliusFreudenberger <julius+git@jfreudenberger.de>
Date: Sun, 19 Jul 2026 16:02:28 +0200
Subject: [PATCH] terraform proxmox: Make balloon size configurable

---
 terraform/busch/main.tf                         | 1 +
 terraform/busch/modules/proxmox-vm/main.tf      | 2 +-
 terraform/busch/modules/proxmox-vm/variables.tf | 8 +++++++-
 3 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/terraform/busch/main.tf b/terraform/busch/main.tf
index 966ec14..8020329 100644
--- a/terraform/busch/main.tf
+++ b/terraform/busch/main.tf
@@ -21,6 +21,7 @@ module "truenas" {
   target_node   = "busch"
   vmid          = 100
   memory        = 8192
+  balloon       = 8192
   cpu_cores     = 2
   disk_storage  = "local"
   disk_size     = "32G"
diff --git a/terraform/busch/modules/proxmox-vm/main.tf b/terraform/busch/modules/proxmox-vm/main.tf
index 89ddcf3..3a848b1 100644
--- a/terraform/busch/modules/proxmox-vm/main.tf
+++ b/terraform/busch/modules/proxmox-vm/main.tf
@@ -14,7 +14,7 @@ resource "proxmox_vm_qemu" "truenas" {
   vmid               = var.vmid
   machine            = length(var.mapped_pcie_devices) == 0 ? "pc" : "q35"
   memory             = var.memory
-  balloon            = 1024
+  balloon            = var.balloon
   scsihw             = "virtio-scsi-pci"
   boot               = "order=scsi0;ide0"
   start_at_node_boot = true
diff --git a/terraform/busch/modules/proxmox-vm/variables.tf b/terraform/busch/modules/proxmox-vm/variables.tf
index fe75fcd..e4ee41f 100644
--- a/terraform/busch/modules/proxmox-vm/variables.tf
+++ b/terraform/busch/modules/proxmox-vm/variables.tf
@@ -21,10 +21,16 @@ variable "target_node" {
 }
 
 variable "memory" {
-  description = "Memory to allocate for the VM"
+  description = "Memory to allocate for the VM in Megabytes"
   type        = string
 }
 
+variable "balloon" {
+  description = "The minimum amount of memory to allocate to the VM in Megabytes"
+  type        = number
+  default     = 1024
+}
+
 variable "cpu_cores" {
   description = "Number of CPU cores to allocate for the VM"
   type        = number