feat: Cluster version is now a required variable. (#972)

BREAKING CHANGES: `cluster_version` variable is now required.

examples/basic/main.tf

@@ -123,9 +123,10 @@ module "vpc" {
 }
 
 module "eks" {
-  source       = "../.."
-  cluster_name = local.cluster_name
-  subnets      = module.vpc.private_subnets
+  source          = "../.."
+  cluster_name    = local.cluster_name
+  cluster_version = "1.17"
+  subnets         = module.vpc.private_subnets
 
   tags = {
     Environment = "test"

examples/create_false/main.tf

@@ -21,8 +21,9 @@ provider "kubernetes" {
 }
 
 module "eks" {
-  source     = "../.."
-  create_eks = false
+  source          = "../.."
+  create_eks      = false
+  cluster_version = ""
 
   vpc_id       = ""
   cluster_name = ""

examples/irsa/main.tf

@@ -55,11 +55,12 @@ module "vpc" {
 }
 
 module "eks" {
-  source       = "../.."
-  cluster_name = local.cluster_name
-  subnets      = module.vpc.public_subnets
-  vpc_id       = module.vpc.vpc_id
-  enable_irsa  = true
+  source          = "../.."
+  cluster_name    = local.cluster_name
+  cluster_version = "1.17"
+  subnets         = module.vpc.public_subnets
+  vpc_id          = module.vpc.vpc_id
+  enable_irsa     = true
 
   worker_groups = [
     {

examples/launch_templates/main.tf

@@ -63,10 +63,11 @@ module "vpc" {
 }
 
 module "eks" {
-  source       = "../.."
-  cluster_name = local.cluster_name
-  subnets      = module.vpc.public_subnets
-  vpc_id       = module.vpc.vpc_id
+  source          = "../.."
+  cluster_name    = local.cluster_name
+  cluster_version = "1.17"
+  subnets         = module.vpc.public_subnets
+  vpc_id          = module.vpc.vpc_id
 
   worker_groups_launch_template = [
     {

examples/managed_node_groups/main.tf

@@ -76,9 +76,10 @@ module "vpc" {
 }
 
 module "eks" {
-  source       = "../.."
-  cluster_name = local.cluster_name
-  subnets      = module.vpc.private_subnets
+  source          = "../.."
+  cluster_name    = local.cluster_name
+  cluster_version = "1.17"
+  subnets         = module.vpc.private_subnets
 
   tags = {
     Environment = "test"

examples/secrets_encryption/main.tf

@@ -80,9 +80,10 @@ module "vpc" {
 }
 
 module "eks" {
-  source       = "../.."
-  cluster_name = local.cluster_name
-  subnets      = module.vpc.private_subnets
+  source          = "../.."
+  cluster_name    = local.cluster_name
+  cluster_version = "1.17"
+  subnets         = module.vpc.private_subnets
 
   cluster_encryption_config = [
     {

examples/spot_instances/main.tf

@@ -63,10 +63,11 @@ module "vpc" {
 }
 
 module "eks" {
-  source       = "../.."
-  cluster_name = local.cluster_name
-  subnets      = module.vpc.public_subnets
-  vpc_id       = module.vpc.vpc_id
+  source          = "../.."
+  cluster_name    = local.cluster_name
+  cluster_version = "1.17"
+  subnets         = module.vpc.public_subnets
+  vpc_id          = module.vpc.vpc_id
 
   worker_groups_launch_template = [
     {