Fix

modules/instance_template/variables.tf

@@ -221,21 +221,21 @@ variable "additional_networks" {
   }))
   validation {
     condition = alltrue([
-      for ni in var.network_interfaces : (ni.network == null) != (ni.subnetwork == null)
+      for ni in var.additional_networks : (ni.network == null) != (ni.subnetwork == null)
     ])
     error_message = "All additional network interfaces must define exactly one of \"network\" or \"subnetwork\"."
   }
   validation {
     condition = alltrue([
-      for ni in var.network_interfaces : ni.nic_type == "GVNIC" || ni.nic_type == "VIRTIO_NET" || ni.nic_type == null
+      for ni in var.additional_networks : ni.nic_type == "GVNIC" || ni.nic_type == "VIRTIO_NET" || ni.nic_type == null
     ])
-    error_message = "In the variable network_interfaces, field \"nic_type\" must be either \"GVNIC\", \"VIRTIO_NET\" or null."
+    error_message = "In the variable additional_networks, field \"nic_type\" must be either \"GVNIC\", \"VIRTIO_NET\" or null."
   }
   validation {
     condition = alltrue([
-      for ni in var.network_interfaces : ni.stack_type == "IPV4_ONLY" || ni.stack_type == "IPV4_IPV6" || ni.stack_type == null
+      for ni in var.additional_networks : ni.stack_type == "IPV4_ONLY" || ni.stack_type == "IPV4_IPV6" || ni.stack_type == null
     ])
-    error_message = "In the variable network_interfaces, field \"stack_type\" must be either \"IPV4_ONLY\", \"IPV4_IPV6\" or null."
+    error_message = "In the variable additional_networks, field \"stack_type\" must be either \"IPV4_ONLY\", \"IPV4_IPV6\" or null."
   }
 }