Fix: CFn improperly formats account_id causing IAM engine to fail when using cdk (#11624)

Morijarti · web-flow · commit eb9600f6ebe6 · 2024-10-07T23:36:29.000+02:00
diff --git a/localstack-core/localstack/services/cloudformation/engine/template_deployer.py b/localstack-core/localstack/services/cloudformation/engine/template_deployer.py
@@ -758,6 +758,10 @@ def resolve_placeholders_in_string(
     """
 
     def _validate_result_type(value: str):
+        is_another_account_id = value.isdigit() and len(value) == len(account_id)
+        if value == account_id or is_another_account_id:
+            return value
+
         if value.isdigit():
             return int(value)
         else:
