Azure TF templates | Aligned route tables

terraform/azure/modules/vnet/main.tf

@@ -36,6 +36,7 @@ locals { // locals for 'next_hop_type' allowed values
     "VirtualAppliance",
     "None"
   ]
+  address_prefix_length = length(var.subnet_prefixes[0])
 }
 
 resource "azurerm_route_table" "frontend" {
@@ -51,7 +52,8 @@ resource "azurerm_route_table" "frontend" {
   route {
     name = "To-Internal"
     address_prefix = var.address_space
-    next_hop_type = local.next_hop_type_allowed_values[4]
+    next_hop_type = local.next_hop_type_allowed_values[3]
+    next_hop_in_ip_address = substr(replace(azurerm_subnet.subnet[0].address_prefixes[0], "0/", "4/"), 0, local.address_prefix_length - 3)
   }
 }
 
@@ -69,7 +71,8 @@ resource "azurerm_route_table" "backend" {
   route {
     name = "To-Internet"
     address_prefix = "0.0.0.0/0"
-    next_hop_type = local.next_hop_type_allowed_values[4]
+    next_hop_type = local.next_hop_type_allowed_values[3]
+    next_hop_in_ip_address = substr(replace(azurerm_subnet.subnet[1].address_prefixes[0], "0/", "4/"), 0, local.address_prefix_length - 3)
   }
 }