Finished LZ.

modules/linux-vm/main.tf

@@ -17,10 +17,26 @@ resource "google_compute_instance" "vm" {
     network            = var.network_name
     subnetwork         = var.subnet_name
     subnetwork_project = var.project_id != null ? var.project_id : data.google_client_config.default.project
+    network_ip         = var.internal_ip != null ? var.internal_ip : null
+    
+    dynamic "access_config" {
+      for_each = var.external_ip_name != null && var.external_ip_name != "AUTO" ? [1] : []
+      content {
+        nat_ip = data.google_compute_address.external_ip[0].address
+      }
+    }
+
+    dynamic "access_config" {
+      for_each = var.external_ip_name == "AUTO" ? [1] : []
+      content {
+        nat_ip = google_compute_address.external_ip[0].address
+      }
+    }
   }
 
   metadata = {
     ssh-keys = "${var.ssh[0].public_key} ${var.ssh[0].ssh_user}"
+    startup_script = var.startup_script
   }
 }
 
@@ -33,3 +49,19 @@ resource "google_compute_route" "route_to_remote_network" {
   next_hop_instance      = google_compute_instance.vm.id
   next_hop_instance_zone = google_compute_instance.vm.zone
 }
+
+resource "google_compute_address" "external_ip" {
+  count = var.external_ip_name == "AUTO" ? 1 : 0
+
+  name         = "${var.name}-ip"
+  project      = var.project_id != null ? var.project_id : data.google_client_config.default.project
+  address_type = "EXTERNAL"
+  address      = var.external_ip_name
+}
+
+data "google_compute_address" "external_ip" {
+  count = var.external_ip_name != null && var.external_ip_name != "AUTO" ? 1 : 0
+
+  name         = var.external_ip_name
+  project      = var.project_id != null ? var.project_id : data.google_client_config.default.project
+}

modules/linux-vm/variables.tf

@@ -39,6 +39,20 @@ variable "subnet_name" {
   type        = string
 }
 
+variable "internal_ip" {
+  description = "The internal IP address of the VM instance."
+  type        = string
+  nullable    = true
+  default     = null
+}
+
+variable "external_ip_name" {
+  description = "The external IP address of the VM instance."
+  type        = string
+  nullable    = true
+  default     = null
+}
+
 variable "ssh" {
   description = "SSH Key(s) definition"
   type = list(object({
@@ -51,3 +65,10 @@ variable "remote_subnets" {
   type    = list(string)
   default = []
 }
+
+variable "startup_script" {
+  description = "Startup script to run on the VM instance."
+  type        = string
+  nullable    = true
+  default     = null
+}