add back the unique_name

I had hoped that it would be possible to preserve existing resources, but only a few were saved.

terraform/task/main.tf

@@ -1,10 +1,14 @@
 
+locals {
+  unique_name = "${var.name}-${random_id.name_suffix.b64_url}"
+}
+
 resource "random_id" "name_suffix" {
   byte_length = 6
 }
 
 resource "aws_iam_role" "this" {
-  name = "ecs_events-${var.name}"
+  name = "ecs_events-${local.unique_name}"
 
   assume_role_policy = jsonencode({
     Version = "2012-10-17"
@@ -43,15 +47,15 @@ resource "aws_iam_role_policy" "this" {
 }
 
 resource "aws_cloudwatch_event_rule" "this" {
-  name                = var.name
+  name                = local.unique_name
   description         = var.event_rule_description == "" ? "Start ${var.name} task" : var.event_rule_description
   schedule_expression = var.event_schedule
   is_enabled          = var.enable
   tags                = var.tags
 }
 
 resource "aws_cloudwatch_event_target" "this" {
-  target_id = var.name
+  target_id = local.unique_name
   rule      = aws_cloudwatch_event_rule.this.name
   arn       = var.ecs_cluster_arn
   role_arn  = aws_iam_role.this.arn