Add option to set npn specific parameter at nodepool level (#1052)

Author: robo-cap

modules/workers/computecluster.tf

@@ -139,8 +139,8 @@ resource "oci_core_instance" "compute_cluster_workers" {
     # Add labels required for NPN CNI.
     var.cni_type == "npn" ? {
       oke-native-pod-networking = true
-      oke-max-pods              = var.max_pods_per_node
-      pod-subnets               = coalesce(var.pod_subnet_id, var.worker_subnet_id, "none")
+      oke-max-pods              = each.value.max_pods_per_node
+      pod-subnets               = each.value.pod_subnet_id
       pod-nsgids                = join(",", each.value.pod_nsg_ids)
     } : {},
 

modules/workers/instance.tf

@@ -90,8 +90,8 @@ resource "oci_core_instance" "workers" {
     var.cni_type == "npn" ? merge(
       {
         oke-native-pod-networking = true
-        oke-max-pods              = var.max_pods_per_node
-        pod-subnets               = coalesce(var.pod_subnet_id, var.worker_subnet_id, "none")
+        oke-max-pods              = each.value.max_pods_per_node
+        pod-subnets               = each.value.pod_subnet_id
         pod-nsgids                = join(",", each.value.pod_nsg_ids)
       },
       var.enable_ipv6 ? 

modules/workers/instanceconfig.tf

@@ -68,8 +68,8 @@ resource "oci_core_instance_configuration" "workers" {
         var.cni_type == "npn" ? merge(
           {
             oke-native-pod-networking = true
-            oke-max-pods              = var.max_pods_per_node
-            pod-subnets               = coalesce(var.pod_subnet_id, var.worker_subnet_id, "none")
+            oke-max-pods              = each.value.max_pods_per_node
+            pod-subnets               = each.value.pod_subnet_id
             pod-nsgids                = join(",", each.value.pod_nsg_ids)
           },
           var.enable_ipv6 ?