fix: add hypervisor variable and KVM instance type guidance for EKS

getting-started/eks-terraform/main.tf

@@ -37,7 +37,7 @@ data "aws_ami" "edera_protect" {
   filter {
     name   = "name"
     values = [
-      "edera-protect-v1.*-al2023-amazon-eks-node-${local.cluster_version}-*"
+      "edera-protect-*-al2023-amazon-eks-${var.hypervisor}-node-${local.cluster_version}-*"
     ]
   }
 
@@ -118,7 +118,7 @@ module "eks" {
     edera_protect = {
       name = local.node_group_name
 
-      # Use Edera AMI
+      # Use Edera AMI (selected by hypervisor variable)
       ami_id   = data.aws_ami.edera_protect.id
       ami_type = "AL2023_x86_64_STANDARD"
 
@@ -156,4 +156,4 @@ module "eks" {
     Environment = "edera-learn"
     Project     = "edera-eks-example"
   }
-}
+}

getting-started/eks-terraform/terraform.tfvars.example

@@ -9,15 +9,22 @@ edera_account_id = "REPLACE_WITH_EDERA_ACCOUNT_ID"
 cluster_name    = "edera-cluster"
 cluster_version = "1.35"
 
+# Optional: Hypervisor backend — "xen" (default, production) or "kvm" (Early Access)
+# hypervisor = "xen"
+
 # Optional: AWS region (Edera AMIs only available in us-west-2 and us-gov-west-1)
 region = "us-west-2"
 
 # Optional: Node group configuration
+# For Xen, any supported instance type works:
 instance_types = ["m5n.xlarge"]
+# For KVM, use a metal instance or a nested-virtualization-capable type:
+# instance_types = ["m7i.xlarge"]
+# Supported KVM families: C8i, M8i, R8i, C7i, M7i, R7i (and variants), or any *.metal type
 desired_size   = 2
 min_size       = 1
 max_size       = 3
 
 # Optional: SSH access to worker nodes (default: disabled)
 # enable_ssh_access = true
-# ssh_key_name     = "my-ec2-keypair"
+# ssh_key_name     = "my-ec2-keypair"

getting-started/eks-terraform/variables.tf

@@ -19,11 +19,22 @@ variable "cluster_name" {
 variable "cluster_version" {
   description = "Kubernetes version to use for the EKS cluster"
   type        = string
-  default     = "1.32"
+  default     = "1.35"
+}
+
+variable "hypervisor" {
+  description = "Hypervisor backend to use: 'xen' (default, production) or 'kvm' (Early Access). Determines which Edera AMI is selected."
+  type        = string
+  default     = "xen"
+
+  validation {
+    condition     = contains(["xen", "kvm"], var.hypervisor)
+    error_message = "hypervisor must be 'xen' or 'kvm'."
+  }
 }
 
 variable "instance_types" {
-  description = "List of instance types associated with the EKS Node Group"
+  description = "List of instance types for the EKS Node Group. For KVM, use a metal instance or a nested-virtualization-capable type (e.g. m7i.xlarge, c7i.xlarge). For Xen, any supported type works."
   type        = list(string)
   default     = ["m5n.xlarge"]
 }
@@ -62,4 +73,4 @@ variable "ssh_key_name" {
   description = "Name of the EC2 Key Pair for SSH access to worker nodes (required if enable_ssh_access is true)"
   type        = string
   default     = ""
-}
+}