From d178e565f306ba3f9637342b453a80e1178b1164 Mon Sep 17 00:00:00 2001
From: Tomer Heber <theber@zscaler.com>
Date: Fri, 20 May 2022 05:51:30 -0500
Subject: [PATCH] Feat: support resolving terraform version from code for
 template resource (#388)

---
 env0/resource_template.go              |  4 ++--
 tests/integration/004_template/main.tf | 13 +++++++++++++
 2 files changed, 15 insertions(+), 2 deletions(-)

diff --git a/env0/resource_template.go b/env0/resource_template.go
index b6ecae87..d145fb7a 100644
--- a/env0/resource_template.go
+++ b/env0/resource_template.go
@@ -151,9 +151,9 @@ func resourceTemplate() *schema.Resource {
 			},
 			"terraform_version": {
 				Type:             schema.TypeString,
-				Description:      "the Terraform version to use (example: 0.15.1)",
+				Description:      "the Terraform version to use (example: 0.15.1). Setting to `RESOLVE_FROM_TERRAFORM_CODE` defaults to the version of `terraform.required_version` during run-time (resolve from terraform code).",
 				Optional:         true,
-				ValidateDiagFunc: NewRegexValidator(`^[0-9]\.[0-9]{1,2}\.[0-9]{1,2}$`),
+				ValidateDiagFunc: NewRegexValidator(`^(?:[0-9]\.[0-9]{1,2}\.[0-9]{1,2})|RESOLVE_FROM_TERRAFORM_CODE$`),
 				Default:          "0.15.1",
 			},
 			"terragrunt_version": {
diff --git a/tests/integration/004_template/main.tf b/tests/integration/004_template/main.tf
index 6fec1de9..0f084c3e 100644
--- a/tests/integration/004_template/main.tf
+++ b/tests/integration/004_template/main.tf
@@ -31,6 +31,19 @@ resource "env0_template" "github_template" {
   terraform_version                       = "0.15.1"
 }
 
+resource "env0_template" "github_template_resolve" {
+  name                                    = "Github Test Resolve-${random_string.random.result}"
+  description                             = "Template description - GitHub"
+  type                                    = "terraform"
+  repository                              = data.env0_template.github_template.repository
+  github_installation_id                  = data.env0_template.github_template.github_installation_id
+  path                                    = "misc/null-resource"
+  retries_on_deploy                       = 3
+  retry_on_deploy_only_when_matches_regex = "abc"
+  retries_on_destroy                      = 1
+  terraform_version                       = "RESOLVE_FROM_TERRAFORM_CODE"
+}
+
 #resource "env0_template" "gitlab_template" {
 #  name                                    = "gitlab test-${random_string.random.result}"
 #  description                             = "template description - gitlab"