feat(module): add default value [] to input variable assume_role_account_names

CHANGELOG.md

@@ -2,8 +2,14 @@
 
 All notable changes to this project will be documented in this file.
 
+## 1.0.1 - 2025-04-12
+
+### Added
+
+- Added default value `[]` to input variable `assume_role_account_names`.
+
 ## 1.0.0 - 2025-04-11
 
 ### Added
 
-- initial import
+- Initial import.

main.tf

@@ -1,9 +1,10 @@
 data "aws_organizations_organization" "main" {}
 
 locals {
-  aws_account_ids = { for info in data.aws_organizations_organization.main.accounts :
+  aws_account_ids = length(var.assume_role_account_names) > 0 ? {
+    for info in data.aws_organizations_organization.main.accounts :
     info.name => info.id
-  }
+  } : {}
 }
 
 resource "aws_iam_user" "main" {
@@ -14,7 +15,8 @@ resource "aws_iam_user" "main" {
 resource "aws_iam_user_policy" "main" {
   name = var.name
   policy = jsonencode({
-    Statement = concat([
+    Statement = concat(
+      length(var.assume_role_account_names) > 0 ? [
         { # Assume roles in AWS sub-accounts
           Action = "sts:AssumeRole"
           Effect = "Allow"
@@ -25,7 +27,9 @@ resource "aws_iam_user_policy" "main" {
               var.name,
             )
           ]
-      },
+        }
+      ] : [],
+      [
         {
           Action = [
             # Manage the user's own IAM access key
@@ -50,7 +54,8 @@ resource "aws_iam_user_policy" "main" {
           Effect   = "Allow"
           Resource = "*"
         },
-    ])
+      ]
+    )
     Version = "2012-10-17"
   })
   user = aws_iam_user.main.name

variables.tf

@@ -1,4 +1,5 @@
 variable "assume_role_account_names" {
+  default     = []
   description = "The names of the AWS sub-accounts this IAM user can assume roles in."
   nullable    = false
   type        = list(string)