Added support for Ubuntu Minimal versions (#1031)

* Added support for Ubuntu Minimal versions

Author: alcampag

modules/workers/cloudinit.tf

@@ -106,8 +106,8 @@ data "cloudinit_config" "workers" {
         apt = {
           sources = {
             oke-node = {
-              source =  format("deb [trusted=yes] https://objectstorage.us-sanjose-1.oraclecloud.com/p/45eOeErEDZqPGiymXZwpeebCNb5lnwzkcQIhtVf6iOF44eet_efdePaF7T8agNYq/n/odx-oke/b/okn-repositories-private/o/prod/ubuntu-%s/kubernetes-%s stable main", 
-              lookup(lookup(local.ubuntu_worker_pools, each.key, {}), "ubuntu_release", "22.04") == "22.04" ? "jammy" : "noble", 
+              source =  format("deb [trusted=yes] https://odx-oke.objectstorage.us-sanjose-1.oci.customer-oci.com/n/odx-oke/b/okn-repositories/o/prod/ubuntu-%s/kubernetes-%s stable main",
+              length(regexall( "22\\.04", lookup(lookup(local.ubuntu_worker_pools, each.key, {}), "ubuntu_release", "22.04"))) > 0 ? "jammy" : "noble",
               lookup(lookup(local.ubuntu_worker_pools, each.key, {}), "kubernetes_major_version", ""))
             }
           }
@@ -184,7 +184,7 @@ data "cloudinit_config" "workers" {
     precondition {
       condition = lookup(local.ubuntu_worker_pools, each.key, null) == null || (
         lookup(local.ubuntu_worker_pools, each.key, null) != null &&
-          contains(["22.04", "24.04"], lookup(lookup(local.ubuntu_worker_pools, each.key, {}), "ubuntu_release", ""))
+          contains(local.ubuntu_supported_versions, lookup(lookup(local.ubuntu_worker_pools, each.key, {}), "ubuntu_release", ""))
       )
       error_message = <<-EOT
       Supported Ubuntu versions are "22.04" and "24.04".

modules/workers/locals.tf

@@ -292,6 +292,9 @@ locals {
   worker_pool_ips = merge(local.worker_instance_ips, local.worker_nodepool_ips)
 
   # Map of nodepools using Ubuntu images.
+
+  ubuntu_supported_versions = ["22.04", "24.04", "22.04 Minimal", "24.04 Minimal"]
+
   ubuntu_worker_pools = {
     for k, v in local.enabled_worker_pools : k => {
       kubernetes_major_version = substr(lookup(v, "kubernetes_version", ""), 1, 4)