optionals for additional_networks

README.md

@@ -85,7 +85,7 @@ No modules.
 | Name | Description | Type | Default | Required |
 |------|-------------|------|---------|:--------:|
 | <a name="input_access_config"></a> [access\_config](#input\_access\_config) | Access configurations, i.e. IPs via which the VM instance can be accessed via the Internet. | <pre>list(object({<br>    nat_ip       = optional(any, null)<br>    network_tier = optional(string, "PREMIUM")<br>  }))</pre> | `[]` | no |
-| <a name="input_additional_networks"></a> [additional\_networks](#input\_additional\_networks) | Additional network interface details for GCE, if any. | <pre>list(object({<br>    network            = string<br>    subnetwork         = string<br>    subnetwork_project = string<br>    network_ip         = any<br>    access_config = list(object({<br>      nat_ip       = string<br>      network_tier = string<br>    }))<br>  }))</pre> | `[]` | no |
+| <a name="input_additional_networks"></a> [additional\_networks](#input\_additional\_networks) | Additional network interface details for GCE, if any. | <pre>list(object({<br>    network            = optional(string, null)<br>    subnetwork         = optional(string, null)<br>    subnetwork_project = optional(string, null)<br>    network_ip         = optional(any, null)<br>    access_config = optional(list(object({<br>      nat_ip       = string<br>      network_tier = string<br>    })), [])<br>  }))</pre> | `[]` | no |
 | <a name="input_auto_delete"></a> [auto\_delete](#input\_auto\_delete) | Whether or not the boot disk should be auto-deleted | `bool` | `true` | no |
 | <a name="input_can_ip_forward"></a> [can\_ip\_forward](#input\_can\_ip\_forward) | Enable IP forwarding, for NAT instances for example | `bool` | `false` | no |
 | <a name="input_deletion_protection"></a> [deletion\_protection](#input\_deletion\_protection) | Enable deletion protection on this instance. Note: you must disable deletion protection before removing the resource, or the instance cannot be deleted and the Terraform run will not complete successfully. | `bool` | `false` | no |

main.tf

@@ -73,7 +73,7 @@ resource "google_compute_instance" "compute_instance" {
       network            = network_interface.value.network
       subnetwork         = network_interface.value.subnetwork
       subnetwork_project = network_interface.value.subnetwork_project
-      network_ip         = length(network_interface.value.network_ip) > 0 ? try(network_interface.value.network_ip[count.index], network_interface.value.network_ip) : null
+      network_ip         = network_interface.value.network_ip
       dynamic "access_config" {
         for_each = network_interface.value.access_config
         content {

variables.tf

@@ -183,13 +183,13 @@ variable "additional_networks" {
   description = "Additional network interface details for GCE, if any."
   default     = []
   type = list(object({
-    network            = string
-    subnetwork         = string
-    subnetwork_project = string
-    network_ip         = any
-    access_config = list(object({
+    network            = optional(string, null)
+    subnetwork         = optional(string, null)
+    subnetwork_project = optional(string, null)
+    network_ip         = optional(any, null)
+    access_config = optional(list(object({
       nat_ip       = string
       network_tier = string
-    }))
+    })), [])
   }))
 }