chore: adding default values

Author: florianow

README.md

@@ -240,11 +240,11 @@ Before opening a Pull Request, please do the following:
 | <a name="input_can_delete_rgs_in_scopes"></a> [can\_delete\_rgs\_in\_scopes](#input\_can\_delete\_rgs\_in\_scopes) | The scopes to which Service Principal delete resource group permission is assigned to. Only relevant when `replicator_rg_enabled`. List of subscription scopes of form `/subscriptions/<subscriptionId>`. | `list(string)` | `[]` | no |
 | <a name="input_create_passwords"></a> [create\_passwords](#input\_create\_passwords) | Create passwords for service principals. | `bool` | `true` | no |
 | <a name="input_mca"></a> [mca](#input\_mca) | n/a | <pre>object({<br>    service_principal_names = list(string)<br>    billing_account_name    = string<br>    billing_profile_name    = string<br>    invoice_section_name    = string<br>  })</pre> | `null` | no |
-| <a name="input_metering_assignment_scopes"></a> [metering\_assignment\_scopes](#input\_metering\_assignment\_scopes) | Names or UUIDs of the Management Groups that kraken should collect costs for. | `list(string)` | n/a | yes |
+| <a name="input_metering_assignment_scopes"></a> [metering\_assignment\_scopes](#input\_metering\_assignment\_scopes) | Names or UUIDs of the Management Groups that kraken should collect costs for. | `list(string)` | `[]` | no |
 | <a name="input_metering_enabled"></a> [metering\_enabled](#input\_metering\_enabled) | Whether to create Metering Service Principal or not. | `bool` | `true` | no |
 | <a name="input_metering_service_principal_name"></a> [metering\_service\_principal\_name](#input\_metering\_service\_principal\_name) | Service principal for collecting cost data. Kraken ist the name of the meshStack component. Name must be unique per Entra ID. | `string` | `"kraken"` | no |
-| <a name="input_replicator_assignment_scopes"></a> [replicator\_assignment\_scopes](#input\_replicator\_assignment\_scopes) | Names or UUIDs of the Management Groups which replicator should manage. | `list(string)` | n/a | yes |
-| <a name="input_replicator_custom_role_scope"></a> [replicator\_custom\_role\_scope](#input\_replicator\_custom\_role\_scope) | Name or UUID of the Management Group of the replicator custom role definition. The custom role definition must be available for all assignment scopes. | `string` | n/a | yes |
+| <a name="input_replicator_assignment_scopes"></a> [replicator\_assignment\_scopes](#input\_replicator\_assignment\_scopes) | Names or UUIDs of the Management Groups which replicator should manage. | `list(string)` | `[]` | no |
+| <a name="input_replicator_custom_role_scope"></a> [replicator\_custom\_role\_scope](#input\_replicator\_custom\_role\_scope) | Name or UUID of the Management Group of the replicator custom role definition. The custom role definition must be available for all assignment scopes. | `string` | `null` | no |
 | <a name="input_replicator_enabled"></a> [replicator\_enabled](#input\_replicator\_enabled) | Whether to create replicator Service Principal or not. | `bool` | `true` | no |
 | <a name="input_replicator_rg_enabled"></a> [replicator\_rg\_enabled](#input\_replicator\_rg\_enabled) | Whether the created replicator Service Principal should be usable for Azure Resource Group based replication. Implicitly enables replicator\_enabled if set to true. | `bool` | `false` | no |
 | <a name="input_replicator_service_principal_name"></a> [replicator\_service\_principal\_name](#input\_replicator\_service\_principal\_name) | Service principal for managing subscriptions. Replicator is the name of the meshStack component. Name must be unique per Entra ID. | `string` | `"replicator"` | no |

variables.tf

@@ -7,11 +7,13 @@ variable "replicator_service_principal_name" {
 variable "replicator_custom_role_scope" {
   type        = string
   description = "Name or UUID of the Management Group of the replicator custom role definition. The custom role definition must be available for all assignment scopes."
+  default     = null
 }
 
 variable "replicator_assignment_scopes" {
   type        = list(string)
   description = "Names or UUIDs of the Management Groups which replicator should manage."
+  default     = []
 }
 
 variable "can_cancel_subscriptions_in_scopes" {
@@ -35,9 +37,9 @@ variable "metering_service_principal_name" {
 variable "metering_assignment_scopes" {
   type        = list(string)
   description = "Names or UUIDs of the Management Groups that kraken should collect costs for."
+  default     = []
 }
 
-
 variable "administrative_unit_name" {
   type        = string
   description = "Display name of the adminstration-unit name where the user groups are managed."