Terraform code to configure EBS volumes for EKS Nodes

storage.tf

resource "kubernetes_storage_class" "eks-ebs-storage-class" {
  metadata {
    name = "eks-ebs-storage-class"
  }
  parameters = {
    type = "gp3"
  }
  storage_provisioner = "ebs.csi.aws.com"
  reclaim_policy      = "Delete"
  volume_binding_mode = "WaitForFirstConsumer"
}

resource "kubernetes_service_account" "ebs-service-account" {
  metadata {
    name      = "ebs-csi-controller-sa"
    namespace = var.kube_namespace # the kube namespace is resolved from vairables in variables.tf and can be overridden in command line or via terraform.tfvars
    labels = {
      "app.kubernetes.io/name" = "ebs-csi-controller-sa"
    }
    annotations = {
      # This annotation is only used when running on EKS which can use IAM roles for service accounts.
      "eks.amazonaws.com/role-arn" = aws_iam_role.ebs-iam-role.arn
    }
  }
  depends_on = [
    aws_iam_role_policy_attachment.ebs-iam-role-policy-attachment
  ]
}