add: instance_type var must be free-tier type in asg modules

tkdn · Mar 9, 2024 · 3bffed6 · 3bffed6
1 parent 305386e
commit 3bffed6
Showing 1 changed file with 10 additions and 0 deletions.
diff --git a/ch8.production-grade-infrastructure/modules/cluster/asg-rolling-deploy/variables.tf b/ch8.production-grade-infrastructure/modules/cluster/asg-rolling-deploy/variables.tf
@@ -11,10 +11,20 @@ variable "ami" {
 
 variable "instance_type" {
   type = string
+
+  validation {
+    condition     = contains(["t2.micro", "t3.micro"], var.instance_type)
+    error_message = "Only free tier is allowed: t2.micro | t3.micro."
+  }
 }
 
 variable "min_size" {
   type = number
+
+  validation {
+    condition     = 0 < var.min_size && var.min_size <= 10
+    error_message = "ASG can't be empty and must have 10 or fewer instances"
+  }
 }
 
 variable "max_size" {