chore: add variables for health check auto heal interval and timeout sec

modules/cluster/main.tf

@@ -282,8 +282,8 @@ resource "google_compute_health_check" "autoheal" {
   project = var.project_id
   name    = "vault-health-autoheal"
 
-  check_interval_sec  = 10
-  timeout_sec         = 5
+  check_interval_sec  = var.autoheal_interval_sec
+  timeout_sec         = var.autoheal_timeout_sec
   healthy_threshold   = 1
   unhealthy_threshold = 2
 

modules/cluster/variables.tf

@@ -400,3 +400,15 @@ variable "tls_ou" {
   type        = string
   default     = "IT Security Operations"
 }
+
+variable "autoheal_interval_sec" {
+  description = "How often (in seconds) to send a health check"
+  type        = number
+  default     = 10
+}
+
+variable "autoheal_timeout_sec" {
+  description = "How long (in seconds) to wait before claiming health check failure"
+  type        = number
+  default     = 5
+}