From 8ab218f691238666a257ae7f4990379365f98eea Mon Sep 17 00:00:00 2001
From: AWS <aws>
Date: Tue, 16 Apr 2024 22:59:01 +0000
Subject: [PATCH] Release: 1.12.1

---
 README.md   |  4 +++-
 VERSION     |  2 +-
 data.tf     | 18 +++++++++++++++++-
 versions.tf |  2 +-
 4 files changed, 22 insertions(+), 4 deletions(-)

diff --git a/README.md b/README.md
index c339ec71..1f38279c 100644
--- a/README.md
+++ b/README.md
@@ -63,7 +63,7 @@ As of version 1.6.0, AFT collects anonymous operational metrics to help AWS impr
 
 | Name | Version |
 |------|---------|
-| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 1.0.0, < 2.0.0 |
+| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 1.2.0, < 2.0.0 |
 | <a name="requirement_aws"></a> [aws](#requirement\_aws) | >= 5.11.0, < 6.0.0 |
 
 ## Providers
@@ -93,6 +93,8 @@ As of version 1.6.0, AFT collects anonymous operational metrics to help AWS impr
 | Name | Type |
 |------|------|
 | [aws_partition.current](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/data-sources/partition) | data source |
+| [aws_service.home_region_validation](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/data-sources/service) | data source |
+| [aws_ssm_parameters_by_path.servicecatalog_regional_data](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/data-sources/ssm_parameters_by_path) | data source |
 | [local_file.python_version](https://registry.terraform.io/providers/hashicorp/local/latest/docs/data-sources/file) | data source |
 | [local_file.version](https://registry.terraform.io/providers/hashicorp/local/latest/docs/data-sources/file) | data source |
 
diff --git a/VERSION b/VERSION
index 0eed1a29..f8f4f03b 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.12.0
+1.12.1
diff --git a/data.tf b/data.tf
index c603631c..10c0bc7c 100644
--- a/data.tf
+++ b/data.tf
@@ -9,4 +9,20 @@ data "local_file" "python_version" {
   filename = "${path.module}/PYTHON_VERSION"
 }
 
-data "aws_partition" "current" {}
+data "aws_ssm_parameters_by_path" "servicecatalog_regional_data" {
+  count = data.aws_partition.current.partition == "aws" ? 1 : 0
+  path  = "/aws/service/global-infrastructure/services/servicecatalog/regions"
+}
+
+data "aws_service" "home_region_validation" {
+  service_id = "controltower"
+  lifecycle {
+    precondition {
+      condition     = try(contains(data.aws_ssm_parameters_by_path.servicecatalog_regional_data[0].values, var.ct_home_region), true) == true
+      error_message = "AFT is not supported on Control Tower home region ${var.ct_home_region}. Refer to https://docs.aws.amazon.com/controltower/latest/userguide/limits.html for more information."
+    }
+  }
+}
+
+data "aws_partition" "current" {
+}
diff --git a/versions.tf b/versions.tf
index abebb4e5..723ecd7f 100644
--- a/versions.tf
+++ b/versions.tf
@@ -2,7 +2,7 @@
 # SPDX-License-Identifier: Apache-2.0
 #
 terraform {
-  required_version = ">= 1.0.0, < 2.0.0"
+  required_version = ">= 1.2.0, < 2.0.0"
 
   required_providers {
     aws = {