gistfile1.txt

variable "is_defined" {
  type = "map"
  default = {
    "0" = "1"
  }
}
resource "aws_route53_zone" "main" {
  count   = "${lookup(var.is_defined,length(var.zone_id),0)}"
  name    = "${var.name}"
  vpc_id  = "${var.vpc_id}"
  comment = ""
}


output "zone_id" {
  value = "${coalesce(var.zone_id, aws_route53_zone.main.zone_id)}"
}