INFRA-5551 Add on_demand_percentage_above_base_capacity to half spot/on-demand

INFRA-5551 Add on_demand_percentage_above_base_capacity to half spot/on-demand

Author: danielllek

node-groups-enclave-tracks.tf

@@ -90,7 +90,8 @@ resource "aws_autoscaling_group" "enclave_track" {
 
   mixed_instances_policy {
     instances_distribution {
-      on_demand_base_capacity = each.value.track_value.autoscaling_group.size
+      on_demand_base_capacity                  = each.value.track_value.autoscaling_group.size
+      on_demand_percentage_above_base_capacity = var.on_demand_percentage_above_base_capacity
     }
 
     launch_template {

variables.tf

@@ -714,3 +714,9 @@ variable "aws_autoscaling_group_enabled" {
   type        = bool
   default     = true
 }
+
+variable "on_demand_percentage_above_base_capacity" {
+  description = "The percentage of on-demand instances to use above the base capacity"
+  type        = number
+  default     = 50
+}