Update variables.tf

terraform-aws-modules · Oct 24, 2024 · dc0fbaa · dc0fbaa
1 parent 28b2c72
commit dc0fbaa
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/variables.tf b/variables.tf
@@ -122,8 +122,14 @@ variable "instance_type" {
   description = "The type of instance to start"
   type        = string
   default     = "t3.micro"
+
+  validation {
+    condition = contains(["micro", "medium", "large", "nano"], var.instance_type)
+    error_message = "Instance type must be one of: micro, medium, large, nano."
+  }
 }
 
+
 variable "instance_tags" {
   description = "Additional tags for the instance"
   type        = map(string)