Parametrized more hardcoded values.

main.tf

@@ -71,7 +71,7 @@ module "gw" {
   name            = "${var.hub.name}-vpn"
   network_name    = module.hub_network.name
   region          = var.hub.region
-  vpn_external_ip = "vpw-gw-us-west1"
+  vpn_external_ip = var.vpn_external_ip
 }
 
 module "to_lazurowa" {
@@ -81,14 +81,8 @@ module "to_lazurowa" {
   peer_ip       = var.peer_ip
   shared_secret = var.shared_secret
 
-  local_selectors = [
-    var.hub.cidr,
-    var.spoke.cidr
-  ]
-
-  remote_selectors = [
-    "192.168.2.0/24", "192.168.10.0/24"
-  ]
+  local_selectors  = [var.hub.cidr, var.spoke.cidr]
+  remote_selectors = var.remote_selectors
 
   depends_on = [module.gw]
 }