From dc699992922b452ccc521c3dfe9c9c5c1f8376af Mon Sep 17 00:00:00 2001
From: Nuru <Nuru@users.noreply.github.com>
Date: Thu, 4 Feb 2021 01:17:22 -0800
Subject: [PATCH] Copy validation to exports/context.tf (#123)

---
 exports/context.tf | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/exports/context.tf b/exports/context.tf
index 3f4a341..81f99b4 100644
--- a/exports/context.tf
+++ b/exports/context.tf
@@ -159,11 +159,15 @@ variable "id_length_limit" {
   type        = number
   default     = null
   description = <<-EOT
-    Limit `id` to this many characters.
+    Limit `id` to this many characters (minimum 6).
     Set to `0` for unlimited length.
     Set to `null` for default, which is `0`.
     Does not affect `id_full`.
   EOT
+  validation {
+    condition     = var.id_length_limit == null ? true : var.id_length_limit >= 6 || var.id_length_limit == 0
+    error_message = "The id_length_limit must be >= 6 if supplied (not null), or 0 for unlimited length."
+  }
 }
 
 variable "label_key_case" {