feat: Allow enabling observability metrics in the safer_cluster module

Author: marcusramberg

autogen/safer-cluster/main.tf.tmpl

@@ -108,6 +108,7 @@ module "gke" {
   monitoring_service = var.monitoring_service
 
   monitoring_enable_managed_prometheus = var.monitoring_enable_managed_prometheus
+  monitoring_enable_observability_metrics = var.monitoring_enable_observability_metrics
 
   // We never use the default service account for the cluster. The default
   // project/editor permissions can create problems if nodes were to be ever

autogen/safer-cluster/variables.tf.tmpl

@@ -280,6 +280,12 @@ variable "monitoring_enable_managed_prometheus" {
   default     = false
 }
 
+variable "monitoring_enable_observability_metrics" {
+  type        = bool
+  description = "Whether or not the advanced datapath metrics are enabled."
+  default     = false
+}
+
 variable "grant_registry_access" {
   type        = bool
   description = "Grants created cluster-specific service account storage.objectViewer role."