add: precondition for ec2 instancet_ype

tkdn · Mar 9, 2024 · 91325fc · 91325fc
1 parent 3bffed6
commit 91325fc
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/ch8.production-grade-infrastructure/modules/cluster/asg-rolling-deploy/main.tf b/ch8.production-grade-infrastructure/modules/cluster/asg-rolling-deploy/main.tf
@@ -18,6 +18,10 @@ resource "aws_launch_configuration" "example" {
   # ASG がある起動設定を使う場合は必須
   lifecycle {
     create_before_destroy = true
+    precondition {
+      condition     = data.aws_ec2_instance_type.instance.free_tier_eligible
+      error_message = "${var.instance_type} is not free-tier."
+    }
   }
 }
 
@@ -136,6 +140,10 @@ resource "aws_cloudwatch_metric_alarm" "low_cpu_credit_balance" {
   unit                = "Count"
 }
 
+data "aws_ec2_instance_type" "instance" {
+  instance_type = var.instance_type
+}
+
 locals {
   tcp_protocol = "tcp"
   all_ips      = ["0.0.0.0/0"]