first simple example

example/cloud_init.cfg

@@ -0,0 +1,10 @@
+ssh_pwauth: true
+chpasswd:
+  list: |
+     root:phyllome
+  expire: False
+disable_root: false
+
+runcmd:
+ - sed  -i '/PermitRootLogin/s/.*/PermitRootLogin yes/' /etc/ssh/sshd_config 
+ - systemctl restart sshd

example/ubuntu-cloud-server-2404-bios.tf

@@ -0,0 +1,71 @@
+terraform {
+ required_version = ">= 0.13"
+  required_providers {
+    libvirt = {
+      source  = "dmacvicar/libvirt"
+      version = "0.8.3"
+    }
+  }
+}
+
+provider "libvirt" {
+  uri = "qemu:///system"
+}
+
+resource "libvirt_pool" "ubuntu-bios" {
+  name = "ubuntu-bios"
+  type = "dir"
+  target {
+    path = "/tmp/ubuntu-bios"
+  }
+}
+
+resource "libvirt_volume" "ubuntu-bios" {
+  name   = "ubuntu-bios-${count.index}"
+  pool   = libvirt_pool.ubuntu-bios.name
+  source = "/var/lib/libvirt/images/noble-server-cloudimg-amd64.img"
+  format = "qcow2"
+  count  = 1
+}
+
+resource "libvirt_cloudinit_disk" "commoninit" {
+  name           = "commoninit.iso"
+  user_data      = templatefile("${path.module}/cloud_init.yaml", {})
+}
+
+resource "libvirt_domain" "domain" {
+  count  = 1
+  name   = "ubuntu-cloud-server-2404-${count.index}"
+  memory = "4092"
+  vcpu   = 2
+  cloudinit = libvirt_cloudinit_disk.commoninit.id
+
+  cpu {
+    mode = "host-model"
+  }
+
+  disk {
+    volume_id = element(libvirt_volume.ubuntu-bios.*.id, count.index)
+  }
+
+  console {
+    type        = "pty"
+    target_port = "0"
+    target_type = "virtio"
+  }
+
+  video {
+    type = "virtio"
+  }
+
+  tpm {
+    backend_type    = "emulator"
+    backend_version = "2.0"
+  }
+
+  network_interface {
+    network_name = "default"
+  }
+
+}
+