Cluster notification terraform

notifications.tf

/*
  Read more about event patterns here:
  http://docs.aws.amazon.com/AmazonCloudWatch/latest/events/CloudWatchEventsandEventPatterns.html
*/
data "template_file" "event_pattern" {
  template      = "${file("${path.module}/files/deploy-notification.json.tpl")}"

  vars = {
    cluster_arn = "${aws_ecs_cluster.ecs.id}"
  }
}

resource "aws_cloudwatch_event_rule" "failed-deploy" {
  name        = "failed-deploy-${var.name}-${var.environment}"
  description = "Deploy failure notificatioon ${var.name}-${var.environment}"
  event_pattern = "${data.template_file.event_pattern.rendered}"
}