nodepool module updates

Signed-off-by: junior <junior@users.noreply.github.com>

Author: junior

modules/oke-node-pool/outputs.tf

@@ -3,7 +3,7 @@
 # 
 
 output "node_pool_name" {
-  value = oci_containerengine_node_pool.oke_node_pool.0.name
+  value = var.create_new_node_pool ? oci_containerengine_node_pool.oke_node_pool.0.name : var.existent_oke_nodepool_id_for_autoscaler
 }
 output "node_pool_min_nodes" {
   value = var.node_pool_min_nodes
@@ -12,7 +12,7 @@ output "node_pool_max_nodes" {
   value = var.node_pool_max_nodes
 }
 output "node_pool_id" {
-  value = oci_containerengine_node_pool.oke_node_pool.0.id
+  value = var.create_new_node_pool ? oci_containerengine_node_pool.oke_node_pool.0.id : var.existent_oke_nodepool_id_for_autoscaler
 }
 output "node_k8s_version" {
   value = local.node_k8s_version

modules/oke-node-pool/variables.tf

@@ -46,6 +46,10 @@ variable "node_pool_node_shape_config_memory_in_gbs" {
   default     = "16" # Only used if flex shape is selected
   description = "You can customize the amount of memory allocated to a flexible shape"
 }
+variable "existent_oke_nodepool_id_for_autoscaler" {
+  default     = ""
+  description = "Nodepool Id of the existent OKE to use with Cluster Autoscaler"
+}
 variable "image_operating_system" {
   default     = "Oracle Linux"
   description = "The OS/image installed on all nodes in the node pool."