From bd16823f66bbc8883ca7a524c4e5c7d6e5bddaa8 Mon Sep 17 00:00:00 2001
From: Slawomir Koszewski <slawek@koszewscy.waw.pl>
Date: Mon, 31 Mar 2025 21:36:30 +0200
Subject: [PATCH] Added option to create routes for NVA.

---
 modules/linux-vm/main.tf      | 12 +++++++++++-
 modules/linux-vm/outputs.tf   |  2 +-
 modules/linux-vm/variables.tf |  5 +++++
 3 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/modules/linux-vm/main.tf b/modules/linux-vm/main.tf
index b131a09..056bf72 100644
--- a/modules/linux-vm/main.tf
+++ b/modules/linux-vm/main.tf
@@ -1,6 +1,6 @@
 data "google_client_config" "default" {}
 
-resource "google_compute_instance" "vm_hub" {
+resource "google_compute_instance" "vm" {
   name           = var.name
   machine_type   = var.machine_type
   can_ip_forward = var.can_ip_forward
@@ -23,3 +23,13 @@ resource "google_compute_instance" "vm_hub" {
     ssh-keys = "${var.ssh[0].public_key} ${var.ssh[0].ssh_user}"
   }
 }
+
+resource "google_compute_route" "route_to_remote_network" {
+  count                  = length(var.remote_subnets)
+  name                   = "${var.network_name}-to-${replace(var.remote_subnets[count.index], "/[./]/", "-")}"
+  project                = var.project_id != null ? var.project_id : data.google_client_config.default.project
+  network                = var.network_name
+  dest_range             = var.remote_subnets[count.index]
+  next_hop_instance      = google_compute_instance.vm.id
+  next_hop_instance_zone = google_compute_instance.vm.zone
+}
diff --git a/modules/linux-vm/outputs.tf b/modules/linux-vm/outputs.tf
index 730f0d0..5410264 100644
--- a/modules/linux-vm/outputs.tf
+++ b/modules/linux-vm/outputs.tf
@@ -1,3 +1,3 @@
 output "vm_internal_ip" {
-  value = google_compute_instance.vm_hub.network_interface[0].network_ip
+  value = google_compute_instance.vm.network_interface[0].network_ip
 }
diff --git a/modules/linux-vm/variables.tf b/modules/linux-vm/variables.tf
index 0c57cab..3356945 100644
--- a/modules/linux-vm/variables.tf
+++ b/modules/linux-vm/variables.tf
@@ -46,3 +46,8 @@ variable "ssh" {
     ssh_user   = string
   }))
 }
+
+variable "remote_subnets" {
+  type    = list(string)
+  default = []
+}