fix: add variables to autoscaling parameters

modules/k8s/main.tf

@@ -77,8 +77,8 @@ resource "google_container_node_pool" "gke_linux_node_pool" {
   node_count     = 1
 
   autoscaling {
-    max_node_count = 2 # change to 6
-    min_node_count = 1 # change to 3
+    max_node_count = var.max_node_count # change to 6
+    min_node_count = var.min_node_count # change to 3
   }
 
   management {

modules/k8s/variables.tf

@@ -4,6 +4,8 @@ variable "region" {}
 variable "project_id" {}
 variable "account_id_kubernetes" {}
 variable "initial_node_count" {}
+variable "max_node_count" {}
+variable "min_node_count" {}
 variable "node_zones" {}
 variable "master_ipv4_cidr_block" {}
 variable "authorized_ipv4_cidr_block" {}

root/example.tfvars

@@ -20,4 +20,6 @@ source_subnetwork_ip_ranges_to_nat = "LIST_OF_SUBNETWORKS"
 nat_ip_allocate_strategy           = "MANUAL_ONLY"
 account_id_kubernetes              = ""
 initial_node_count                 = 1
+max_node_count                     = 2
+min_node_count                     = 1
 node_zones                         = ["", ""]

root/main.tf

@@ -92,6 +92,8 @@ module "k8s" {
   region                     = var.region
   account_id_kubernetes      = var.account_id_kubernetes
   initial_node_count         = var.initial_node_count
+  max_node_count             = var.max_node_count
+  min_node_count             = var.min_node_count
   node_zones                 = var.node_zones
   master_ipv4_cidr_block     = var.cluster_master_ip_cidr_range
   pods_ipv4_cidr_block       = var.cluster_pods_ip_cidr_range

root/variables.tf

@@ -115,3 +115,13 @@ variable "cluster_services_ip_cidr_range" {
   type        = string
   description = "The CIDR range to use for Kubernetes cluster services"
 }
+
+variable "max_node_count" {
+  type        = number
+  description = "The max node count when autoscaling the cluster"
+}
+
+variable "min_node_count" {
+  type        = number
+  description = "THe min node count when autoscaling the cluster"
+}