From 8b6c42e1c57cf0144cf6f4e1d629f9848d608897 Mon Sep 17 00:00:00 2001
From: Pim Kunis <pim@kunis.nl>
Date: Fri, 7 Apr 2023 17:42:54 +0200
Subject: [PATCH] format and partition data disk support only one data disk for
 now

---
 files/cloud_init.cfg.tftpl | 16 ++++++++++++++++
 main.tf                    |  7 ++++---
 variables.tf               |  6 +++---
 3 files changed, 23 insertions(+), 6 deletions(-)

diff --git a/files/cloud_init.cfg.tftpl b/files/cloud_init.cfg.tftpl
index 4da01fb..58bff06 100644
--- a/files/cloud_init.cfg.tftpl
+++ b/files/cloud_init.cfg.tftpl
@@ -33,3 +33,19 @@ runcmd:
 - dhclient -r
 - dhclient
 - locale-gen
+%{ if data_disk }
+device_aliases:
+  data: /dev/vdb
+disk_setup:
+  data:
+    table_type: 'gpt'
+    layout: true
+    overwrite: false
+fs_setup:
+  - label: 'data'
+    filesystem: 'ext4'
+    device: data.1
+    overwrite: false
+mounts:
+- ["data.1", "/mnt/data"]
+%{ endif }
diff --git a/main.tf b/main.tf
index 5a36a9c..a21f3d4 100644
--- a/main.tf
+++ b/main.tf
@@ -13,7 +13,8 @@ locals {
     insecure_password     = var.insecure_password,
     use_host_cert         = var.use_host_cert,
     host_cert             = trimspace(null_resource.cert.triggers["cert"]),
-    private_key           = tls_private_key.debian.private_key_openssh
+    private_key           = tls_private_key.debian.private_key_openssh,
+    data_disk             = var.data_disk != null
   })
 }
 
@@ -79,9 +80,9 @@ resource "libvirt_domain" "debian" {
   }
 
   dynamic "disk" {
-    for_each = var.data_disks
+    for_each = var.data_disk != null ? [1] : []
     content {
-      volume_id = disk.value
+      volume_id = var.data_disk
     }
   }
 
diff --git a/variables.tf b/variables.tf
index ad900ed..4353bd3 100644
--- a/variables.tf
+++ b/variables.tf
@@ -55,7 +55,7 @@ variable "ca_host" {
   type = string
 }
 
-variable "data_disks" {
-  type = list(string)
-  default = []
+variable "data_disk" {
+  type = string
+  default = null
 }