variable "zone_id {
  type = string
}
variable "primary_fqdn" {
  type = string
}
variable "secondary_fqdn" {
  type = string
}
variable "failover_fqdn" {
  type = string
}
variable "healthcheck_port" {
  type = string
}



resource "aws_route53_record" "primary_a_record" {
  zone_id = "${var.zone_id}"
  name    = "${var.failover_fqdn}"
  type    = "A"

  alias {
    name                   = "${var.primary_fqdn}"
    zone_id                = "${var.zone_id}"
    evaluate_target_health = "true"
  }

  set_identifier  = "${var.failover_fqdn}-primary"
  health_check_id = "${aws_route53_health_check.failover_healthcheck.id}"

  failover_routing_policy {
    type = "PRIMARY"
  }
}

resource "aws_route53_record" "secondary_a_record" {
  zone_id = "${var.zone_id}"
  name    = "${var.failover_fqdn}"
  type    = "A"

  alias {
    name                   = "${var.secondary_fqdn}"
    zone_id                = "${var.zone_id}"
    evaluate_target_health = "true"
  }

  set_identifier  = "${var.failover_fqdn}-secondary"

  failover_routing_policy {
    type = "SECONDARY"
  }
}


resource "aws_route53_health_check" "failover_healthcheck" {
fqdn              = "${var.failover_fqdn}"
port              = "${var.healthcheck_port}"
type              = "TCP"
failure_threshold = "2"
request_interval  = "5"

  tags {
    Name = "failover-healthcheck"
  }
}