feat: changing the trusted attachments to a map (#49)

* feat: changing the trusted attachments to a map

* docs: updating the readme to reflect the changes

examples/inspection/README.md

@@ -27,7 +27,7 @@ No resources.
 |------|-------------|------|---------|:--------:|
 | <a name="input_asn"></a> [asn](#input\_asn) | The ASN of the gateway. | `number` | `64512` | no |
 | <a name="input_name"></a> [name](#input\_name) | The name of the transit gateway to provision. | `string` | `"main-hub"` | no |
-| <a name="input_tags"></a> [tags](#input\_tags) | A map of tags to assign to the resources. | `map(string)` | <pre>{<br>  "Environment": "test",<br>  "GitRepo": "https://github.com/appvia/terraform-aws-connectivity"<br>}</pre> | no |
+| <a name="input_tags"></a> [tags](#input\_tags) | A map of tags to assign to the resources. | `map(string)` | <pre>{<br/>  "Environment": "test",<br/>  "GitRepo": "https://github.com/appvia/terraform-aws-connectivity"<br/>}</pre> | no |
 
 ## Outputs
 

examples/trusted/README.md

@@ -29,7 +29,7 @@ No resources.
 | <a name="input_name"></a> [name](#input\_name) | The name of the transit gateway to provision. | `string` | `"main-hub"` | no |
 | <a name="input_ram_principals"></a> [ram\_principals](#input\_ram\_principals) | The AWS RAM principal to share the transit gateway with. | `map(string)` | `{}` | no |
 | <a name="input_tags"></a> [tags](#input\_tags) | A map of tags to assign to the resources. | `map(string)` | `{}` | no |
-| <a name="input_trusted_attachments"></a> [trusted\_attachments](#input\_trusted\_attachments) | The list of trusted account IDs. | `list(string)` | `[]` | no |
+| <a name="input_trusted_attachments"></a> [trusted\_attachments](#input\_trusted\_attachments) | The list of trusted account IDs. | `map(string)` | `{}` | no |
 
 ## Outputs
 

examples/trusted/variables.tf

@@ -18,8 +18,8 @@ variable "asn" {
 
 variable "trusted_attachments" {
   description = "The list of trusted account IDs."
-  type        = list(string)
-  default     = []
+  type        = map(string)
+  default     = {}
 }
 
 variable "tags" {

trusted.tf

@@ -30,7 +30,7 @@ resource "aws_ec2_transit_gateway_route_table_association" "trusted" {
 ## table. This will allow traffic to flow from the trusted routing table to the trusted 
 ## routing table. 
 resource "aws_ec2_transit_gateway_route_table_propagation" "trusted" {
-  for_each = local.enable_trusted == true ? toset(var.connectivity_config.trusted.trusted_attachments) : toset([])
+  for_each = local.enable_trusted == true ? var.connectivity_config.trusted.trusted_attachments : {}
 
   transit_gateway_attachment_id  = each.value
   transit_gateway_route_table_id = aws_ec2_transit_gateway_route_table.trusted[0].id

variables.tf

@@ -179,7 +179,7 @@ variable "connectivity_config" {
 
     trusted = optional(object({
       # Defines the configuration for the trusted routing
-      trusted_attachments = optional(list(string), [])
+      trusted_attachments = optional(map(string), {})
       # The list of transit gateway attachments to trust e.g can see all the other untrusted networks. Defaults to an empty list.
       trusted_route_table_name = optional(string, "trusted")
       # The name of the trusted route table. Defaults to 'trusted'.