Access list items using square brackets on RDS primary instance

Author: clarissalimab

rds-postgres/primary-instance/main.tf

@@ -88,7 +88,7 @@ module "server_security_group" {
 
   allowed_security_group_ids = concat(
     var.allowed_security_group_ids,
-    module.client_security_group.*.id
+    module.client_security_group[*].id
   )
 
   name = coalesce(
@@ -138,7 +138,7 @@ resource "aws_db_subnet_group" "this" {
 }
 
 locals {
-  owned_vpc_security_group_ids  = module.server_security_group.*.id
+  owned_vpc_security_group_ids  = module.server_security_group[*].id
   shared_vpc_security_group_ids = var.server_security_group_ids
 
   parameter_group_name = coalesce(

rds-postgres/primary-instance/outputs.tf

@@ -10,7 +10,7 @@ output "admin_username" {
 
 output "client_security_group_id" {
   description = "Name of the security group created for clients"
-  value       = join("", module.client_security_group.*.id)
+  value       = join("", module.client_security_group[*].id)
 }
 
 output "default_database" {
@@ -45,5 +45,5 @@ output "primary_kms_key" {
 
 output "server_security_group_id" {
   description = "Name of the security group created for the server"
-  value       = join("", module.server_security_group.*.id)
+  value       = join("", module.server_security_group[*].id)
 }