disable autohealing by default

main.tf

@@ -59,6 +59,7 @@ module "nat-gateway" {
   wait_for_instances = true
   metadata           = "${var.metadata}"
   ssh_source_ranges  = "${var.ssh_source_ranges}"
+  http_health_check  = "${var.autohealing_enabled}"
 
   access_config = [
     {

variables.tf

@@ -112,6 +112,16 @@ variable instance_labels {
   default     = {}
 }
 
+variable autohealing_enabled {
+  description = "Enable instance autohealing using http health check"
+  default     = false
+}
+
+variable "dest_range" {
+  description = "The destination IPv4 address range that this route applies to"
+  default     = "0.0.0.0/0"
+}
+
 variable region_params {
   description = "Map of default zones and IPs for each region. Can be overridden using the `zone` and `ip` variables."
   type        = "map"
@@ -186,8 +196,3 @@ variable region_params {
     }
   }
 }
-
-variable "dest_range" {
-  description = "The destination IPv4 address range that this route applies to"
-  default     = "0.0.0.0/0"
-}