fix: fix errors on empty vars and cleanup unused vars

main.tf

@@ -96,7 +96,10 @@ resource "restapi_object" "ucs_server" {
     "properties" : {
       "name" : each.value.name,
       "a" : concat(
-        [for k, v in flatten(proxmox_virtual_environment_vm.server[each.value.name].ipv4_addresses) : v if k != index(proxmox_virtual_environment_vm.server[each.value.name].network_interface_names, "lo")],
+        [
+          for k, v in flatten(coalesce(proxmox_virtual_environment_vm.server[each.value.name].ipv4_addresses, [])) :
+          v if k != try(index(proxmox_virtual_environment_vm.server[each.value.name].network_interface_names, "lo"), -1)
+        ],
       ),
     }
   })

variables.tf

@@ -1,12 +1,4 @@
 // Proxmox VE
-# variable "pve_api_url" {
-#   type = string
-# }
-
-# variable "pve_api_token" {
-#   type = string
-# }
-
 variable "pve_ssh_keys" {
   type = list(string)
 }
@@ -16,27 +8,11 @@ variable "pve_node_name" {
 }
 
 // Cloudflare
-variable "cloudflare_api_token" {
-  type = string
-}
-
 variable "cloudflare_zones" {
   type = any
 }
 
 // Univention
-variable "ucs_api_url" {
-  type = string
-}
-
-variable "ucs_api_username" {
-  type = string
-}
-
-variable "ucs_api_password" {
-  type = string
-}
-
 variable "ucs_zones" {
   type = any
 }