From 90b1aaff2fa5a36b67653434ad3f536c3466c550 Mon Sep 17 00:00:00 2001
From: Pim Kunis <pim@kunis.nl>
Date: Mon, 17 Apr 2023 09:18:59 +0200
Subject: [PATCH] save DHCP leases on data disk closes #4

---
 ansible/roles/dnsmasq/files/dnsmasq.conf |  2 ++
 terraform/data/main.tf                   | 30 ++++++++++++++++++++++++
 terraform/main.tf                        |  1 +
 3 files changed, 33 insertions(+)
 create mode 100644 terraform/data/main.tf

diff --git a/ansible/roles/dnsmasq/files/dnsmasq.conf b/ansible/roles/dnsmasq/files/dnsmasq.conf
index 485d861..05c39b6 100644
--- a/ansible/roles/dnsmasq/files/dnsmasq.conf
+++ b/ansible/roles/dnsmasq/files/dnsmasq.conf
@@ -44,3 +44,5 @@ address=/ns.pizzapim.nl/ns.geokunis2.nl/ns.pim.kunis.nl/192.168.30.7
 address=/ns.pizzapim.nl/ns.geokunis2.nl/ns.pim.kunis.nl/2a02:58:19a:f730:c8fe:c0ff:feff:ee07
 # Advertise DNS server
 dhcp-option=option:dns-server,192.168.30.1
+# Change DHCP leases file
+dhcp-leasefile=/mnt/data/dnsmasq.leases
diff --git a/terraform/data/main.tf b/terraform/data/main.tf
new file mode 100644
index 0000000..aaa5b35
--- /dev/null
+++ b/terraform/data/main.tf
@@ -0,0 +1,30 @@
+terraform {
+  backend "pg" {
+    schema_name = "hermes-data"
+    conn_str    = "postgres://terraform@10.42.0.1/terraform_state"
+  }
+
+  required_providers {
+    libvirt = {
+      source = "dmacvicar/libvirt"
+    }
+  }
+}
+
+provider "libvirt" {
+  uri = "qemu+ssh://root@atlas.lan/system"
+}
+
+resource "libvirt_volume" "data" {
+  name = "hermes-data"
+  pool = "data"
+  size = 1024 * 1024
+
+  lifecycle {
+    prevent_destroy = true
+  }
+}
+
+output "data_disk_id" {
+  value = libvirt_volume.data.id
+}
diff --git a/terraform/main.tf b/terraform/main.tf
index d6efb4d..5c0b595 100644
--- a/terraform/main.tf
+++ b/terraform/main.tf
@@ -22,6 +22,7 @@ module "vm" {
   source          = "git::https://git.pim.kunis.nl/home/tf-modules.git//debian"
   name            = "hermes"
   domain_name     = "tf-hermes"
+  data_disk       = "/kvm/data/hermes-data"
   use_host_cert   = false
   fixed_address   = "192.168.30.7/24"
   mac             = "CA:FE:C0:FF:EE:07"