alb.tf

module "lb_role" {
  source = "terraform-aws-modules/iam/aws//modules/iam-role-for-service-accounts-eks"

  role_name                              = "eks-lb-role"
  attach_load_balancer_controller_policy = true

  oidc_providers = {
    main = {
      provider_arn               = module.eks.oidc_provider_arn
      namespace_service_accounts = ["kube-system:aws-load-balancer-controller"]
    }
  }
}

resource "helm_release" "aws_load_balancer_controller" {
  name       = "aws-load-balancer-controller"
  repository = "https://aws.github.io/eks-charts"
  chart      = "aws-load-balancer-controller"
  namespace  = "kube-system"

  set {
    name  = "clusterName"
    value = module.eks.cluster_id
  }

  set {
    name  = "serviceAccount.create"
    value = "true"
  }

  set {
    name  = "serviceAccount.name"
    value = "aws-load-balancer-controller"
  }

  set {
    name  = "serviceAccount.annotations.eks\\.amazonaws\\.com/role-arn"
    value = module.lb_role.iam_role_arn
  }
}