Reduced invoke rate to 5 mins and Instance timeout to 50, will help keep instances under 1 hour

main.tf

 variable "cloudwatch_schedule" {
   description = "Schedule for cloudwatch event to invoke Lambda function"
-  default = "rate(2 hours)"
+  default = "rate(5 minutes)"
 }
 
 resource "aws_iam_role" "packer_janitor" {

packer_janitor.py

@@ -53,7 +53,7 @@ def lambda_handler (event, context):
     logger.info('[%s]: Runtime: %s days', instance.id, runtime_days)
     logger.info('[%s]: Runtime: %s mins', instance.id, runtime_minutes)
 
-    if (runtime_days >= 1) or (runtime_minutes >= 120):
+    if (runtime_days >= 1) or (runtime_minutes >= 50):
 
       logger.info('[%s]: Instance has been running for %s days and %s mins. Marking for termination', instance.id, runtime.days, runtime_minutes)
       instance.terminate(DryRun=DRYRUN)