feat: allow to pass prefix for rule names

Author: omerlh

modules/karpenter/main.tf

@@ -256,12 +256,14 @@ locals {
       }
     }
   }
+
+  rule_name_prefix = coalesce(var.rule_name_prefix, "Karpenter")
 }
 
 resource "aws_cloudwatch_event_rule" "this" {
   for_each = { for k, v in local.events : k => v if local.enable_spot_termination }
 
-  name_prefix   = "Karpenter${each.value.name}-"
+  name_prefix   = "${local.rule_name_prefix}${each.value.name}-"
   description   = each.value.description
   event_pattern = jsonencode(each.value.event_pattern)
 

modules/karpenter/variables.tf

@@ -224,3 +224,13 @@ variable "create_instance_profile" {
   type        = bool
   default     = true
 }
+
+################################################################################
+# Event Bridge Rules
+################################################################################
+
+variable "rule_name_prefix" {
+  description = "Prefix used for all event bridge rules"
+  type        = string
+  default     = null
+}