Support creating multiple worker auto scaling groups, similar to KOPS

variables.tf

@@ -46,27 +46,18 @@ variable "vpc_id" {
   description = "VPC id where the cluster and other resources will be deployed."
 }
 
-variable "workers_ami_id" {
-  description = "AMI ID for the eks workers. If none is provided, Terraform will search for the latest version of their EKS optimized worker AMI."
-  default     = ""
-}
+variable "worker_groups" {
+  description = "A list of maps defining worker group configurations."
+  type        = "list"
 
-variable "workers_asg_desired_capacity" {
-  description = "Desired worker capacity in the autoscaling group."
-  default     = "1"
-}
-
-variable "workers_asg_max_size" {
-  description = "Maximum worker capacity in the autoscaling group."
-  default     = "3"
-}
-
-variable "workers_asg_min_size" {
-  description = "Minimum worker capacity in the autoscaling group."
-  default     = "1"
-}
-
-variable "workers_instance_type" {
-  description = "Size of the workers instances."
-  default     = "m4.large"
+  default = [
+    {
+      name                 = "nodes"    # Name of the worker group.
+      ami_id               = ""         # AMI ID for the eks workers. If none is provided, Terraform will search for the latest version of their EKS optimized worker AMI.
+      asg_desired_capacity = "1"        # Desired worker capacity in the autoscaling group.
+      asg_max_size         = "3"        # Maximum worker capacity in the autoscaling group.
+      asg_min_size         = "1"        # Minimum worker capacity in the autoscaling group.
+      instance_type        = "m4.large" # Size of the workers instances.
+    },
+  ]
 }