Add mininal cloudinit

main.tf.libvirt.example

@@ -46,3 +46,15 @@ module "minion" {
   count = 1
   // see modules/libvirt/minion/variables.tf for possible values
 }
+
+module "min-ubuntu" {
+  source = "./modules/libvirt/minion"
+  base_configuration = "${module.base.configuration}"
+  product_version = "3.2-released"
+  name = "min-ubuntu"
+  image = "ubuntu-1804"
+  memory = 1024
+  server_configuration =  { hostname = "suma-head-pxy.mgr.suse.de" }
+  auto_connect_to_master = false
+  ssh_key_path = "./salt/controller/id_rsa.pub"
+}

modules/libvirt/base/main.tf

@@ -69,7 +69,7 @@ resource "libvirt_volume" "sles-es7_volume" {
 resource "libvirt_volume" "ubuntu-1804_volume" {
   name = "${var.name_prefix}ubuntu-1804"
   source = "https://cloud-images.ubuntu.com/releases/18.04/release/ubuntu-18.04-server-cloudimg-amd64.img"
-  count = "${var.use_shared_resources ? 0 : (contains(var.images, "sles-es7") ? 1 : 0)}"
+  count = "${var.use_shared_resources ? 0 : (contains(var.images, "ubuntu-1804") ? 1 : 0)}"
   pool = "${var.pool}"
 }
 

modules/libvirt/base/variables.tf

@@ -72,6 +72,6 @@ variable "bridge" {
 
 variable "images" {
   description = "list of images to be uploaded to the libvirt host, leave default for all"
-  default = ["centos7", "opensuse423", "ubuntu1804",  "sles15",  "sles11sp4",  "sles12", "sles12sp1", "sles12sp2", "sles12sp3", "sles-es7"]
+  default = ["centos7", "opensuse423", "ubuntu-1804",  "sles15",  "sles11sp4",  "sles12", "sles12sp1", "sles12sp2", "sles12sp3", "sles-es7"]
   type = "list"
 }

modules/libvirt/host/cloud_init.cfg

@@ -0,0 +1,18 @@
+#cloud-config
+# vim: syntax=yaml
+ssh_pwauth: True
+chpasswd:
+  list: |
+     root:linux
+  expire: False
+
+disable_root: false
+
+# TODO: this is distro specific. we might endup just adding commands with OR.
+
+# i think like this zypper ref || apt update || yum ..
+apt_update: true
+
+# TODO: just install salt-minion for the moment
+packages:
+ - salt-minion

modules/libvirt/host/main.tf

@@ -15,6 +15,17 @@ resource "libvirt_volume" "main_disk" {
   count = "${var.count}"
 }
 
+
+data "template_file" "user_data" {
+  template = "${file("${path.module}/cloud_init.cfg")}"
+}
+
+resource "libvirt_cloudinit_disk" "minimalconf" {
+          name = "${var.base_configuration["name_prefix"]}${var.name}${var.count > 1 ? "-${count.index  + 1}" : ""}-minimalconf.iso"
+          user_data          = "${data.template_file.user_data.rendered}"
+}
+
+
 resource "libvirt_domain" "domain" {
   name = "${var.base_configuration["name_prefix"]}${var.name}${var.count > 1 ? "-${count.index  + 1}" : ""}"
   memory = "${var.memory}"
@@ -23,6 +34,7 @@ resource "libvirt_domain" "domain" {
   count = "${var.count}"
   qemu_agent = true
 
+  cloudinit = "${libvirt_cloudinit_disk.minimalconf.id}"
   // base disk + additional disks if any
   disk = ["${concat(
     list(