Switch to integrated Terraform variable validation (#4)

.github/workflows/CICD.yml

@@ -9,9 +9,9 @@ jobs:
     steps:
       - name: Generate Matrix
         id: matrix
-        uses: Invicton-Labs/terraform-module-testing/matrix@v0.1.0
+        uses: Invicton-Labs/terraform-module-testing/matrix@v0.2.0
         with:
-          minimum_tf_version: '0.13.0'
+          minimum_tf_version: '1.9.0'
 
       - name: Output Matrix
         run: |
@@ -28,23 +28,23 @@ jobs:
     steps:
       - name: Initialize - Pass
         id: init-pass
-        uses: Invicton-Labs/terraform-module-testing/initialize@v0.1.0
+        uses: Invicton-Labs/terraform-module-testing/initialize@v0.2.0
         with:
           tf_path: tests/pass
       - name: Run Tests - Pass
         id: tests-pass
-        uses: Invicton-Labs/terraform-module-testing/apply-destroy@v0.1.0
+        uses: Invicton-Labs/terraform-module-testing/apply-destroy@v0.2.0
         with:
           tf_path: tests/pass
 
       - name: Initialize - Fail
         id: init-fail
-        uses: Invicton-Labs/terraform-module-testing/initialize@v0.1.0
+        uses: Invicton-Labs/terraform-module-testing/initialize@v0.2.0
         with:
           tf_path: tests/fail
       - name: Run Tests - Fail
         id: tests-fail
-        uses: Invicton-Labs/terraform-module-testing/apply-failure@v0.1.0
+        uses: Invicton-Labs/terraform-module-testing/apply-failure@v0.2.0
         with:
           tf_path: tests/fail
 
@@ -56,4 +56,4 @@ jobs:
     needs: [Test]
     steps:
     - name: Mark tests as passed
-      run: echo "🎉"
+      run: echo "🎉"

LICENSE

@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2021-2022 Invicton Labs (https://invictonlabs.com)
+Copyright (c) 2021-2024 Invicton Labs (https://invictonlabs.com)
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

outputs.tf

@@ -1,4 +1,14 @@
+output "error_message" {
+  description = "The value of the `error_message` input variable."
+  value       = var.error_message
+}
+
+output "condition" {
+  description = "The value of the `condition` input variable."
+  value       = var.condition
+}
+
 output "checked" {
   description = "Whether the condition has been checked (used for assertion dependencies)."
-  value       = data.cloudinit_config.check.rendered == "" ? true : true
+  value       = var.condition == true ? true : true
 }

variables.tf

@@ -1,9 +1,18 @@
-variable "condition" {
-  description = "The condition to ensure is `true`."
-  type        = bool
-}
-
 variable "error_message" {
   description = "The error message to display if the condition evaluates to `false`."
   type        = string
+  nullable    = false
+}
+
+variable "condition" {
+  description = "The condition to ensure is `true`."
+  type        = bool
+  validation {
+    // We have to use var.error_message != null to force the evaluation to wait
+    // until var.error_message is known. Otherwise, it can fail during the validation
+    // phase but won't output the proper error message.
+    // https://github.com/hashicorp/terraform/issues/35397
+    condition     = var.error_message != null && var.condition == true
+    error_message = var.error_message
+  }
 }

versions.tf

@@ -1,9 +1,3 @@
 terraform {
-  required_version = ">= 0.13.0"
-  required_providers {
-    cloudinit = {
-      source  = "hashicorp/cloudinit"
-      version = ">= 2.3.1"
-    }
-  }
+  required_version = ">= 1.9.0"
 }