dns_records.tf

data "kubernetes_service" "ingress-nginx-controller" {
  metadata {
    name      = "ingress-nginx-controller"
    namespace = "llm-namespace"
  }
  depends_on = [ helm_release.ingress_nginx ]
}

# data "kubernetes_service" "istio_gateway" {
#   metadata {
#     name      = "gateway"
#     namespace = "istio-system"
#   }
#   # Depends on the Istio Gateway Helm chart that creates the Gateway service of type Load Balancer
#   depends_on = [
#     helm_release.gateway
#   ]
# }

# Local value to store the LoadBalancer DNS
locals {
  nginx_lb_hostname = data.kubernetes_service.ingress-nginx-controller.status[0].load_balancer[0].ingress[0].hostname
  # istio_lb_hostname = data.kubernetes_service.istio_gateway.status[0].load_balancer[0].ingress[0].hostname
  depends_on = [data.kubernetes_service.ingress-nginx-controller]
}

# Fetch the Route 53 Hosted Zone ID
data "aws_route53_zone" "selected" {
  name         = "eashanroy.me."
  private_zone = false
}

# Create Route 53 A Record
resource "aws_route53_record" "grafana_dns" {
  zone_id = data.aws_route53_zone.selected.zone_id
  name    = "grafana.eashanroy.me"
  type    = "A"

  alias {
    name                   = local.nginx_lb_hostname
    zone_id                = "Z35SXDOTRQ7X7K" # Route 53 Hosted Zone ID for LB in US East Region
    evaluate_target_health = false
  }

  depends_on = [
    helm_release.gateway
  ]
}
resource "aws_route53_record" "llm_dns" {
  zone_id = data.aws_route53_zone.selected.zone_id
  name    = "llm.eashanroy.me"
  type    = "A"

  alias {
    name                   = local.nginx_lb_hostname
    zone_id                = "Z35SXDOTRQ7X7K" # Route 53 Hosted Zone ID for LB in US East Region
    evaluate_target_health = false
  }

  depends_on = [
    helm_release.gateway
  ]
}
resource "aws_route53_record" "llm_api_dns" {
  zone_id = data.aws_route53_zone.selected.zone_id
  name    = "api.eashanroy.me"
  type    = "A"

  alias {
    name                   = local.nginx_lb_hostname
    zone_id                = "Z35SXDOTRQ7X7K" # Route 53 Hosted Zone ID for LB in US East Region
    evaluate_target_health = false
  }

  depends_on = [
    helm_release.gateway
  ]
}

# output "istio_lb_dns" {
#   value = local.istio_lb_hostname
# }
output "nginx_lb_dns" {
  value = local.nginx_lb_hostname
}