attempt ot reduce prometheus memory by setting --storage.tsdb.retention.size; laso add metrics-api which is not working atm [ci skip]

modules/kubernetes/metrics_api/main.tf

@@ -0,0 +1,24 @@
+variable "tls_secret_name" {}
+
+# resource "kubernetes_namespace" "metrics" {
+#   metadata {
+#     name = "metrics"
+#   }
+# }
+
+module "tls_secret" {
+  source          = "../setup_tls_secret"
+  namespace       = "metrics"
+  tls_secret_name = var.tls_secret_name
+}
+
+resource "helm_release" "metrics_api" {
+  namespace        = "metrics"
+  create_namespace = true
+  name             = "metrics-server"
+
+  repository = "https://kubernetes-sigs.github.io/metrics-server/"
+  chart      = "metrics-server"
+
+  #   values = [templatefile("${path.module}/prometheus_chart_values.tpl", { alertmanager_mail_pass = var.alertmanager_account_password, alertmanager_slack_api_url = var.alertmanager_slack_api_url })]
+}