ingress/terraform/dns.tf

locals {
  nodes_for_dns = { for k, v in var.nodes : k => v if v.public != null && v.internal != null }
}

data "digitalocean_domain" "ingress" {
  name = "ingress.tjo.cloud"
}

resource "digitalocean_record" "public" {
  for_each = merge(
    {
      for key, node in local.nodes_for_dns : key => {
        node = node.name,
        ip   = node.public.ipv4,
        type = "A",
      }
    },
    {
      for key, node in local.nodes_for_dns : key => {
        node = node.name,
        ip   = node.public.ipv6,
        type = "AAAA",
      }
    }
  )

  domain = data.digitalocean_domain.ingress.id
  type   = each.value.type
  name   = lower(each.value.node)
  value  = each.value.ip
  ttl    = 60
}

resource "digitalocean_record" "internal" {
  for_each = merge(
    {
      for key, node in local.nodes_for_dns : key => {
        node = node.name,
        ip   = node.internal.ipv4,
        type = "A",
      }
    },
    {
      for key, node in local.nodes_for_dns : key => {
        node = node.name,
        ip   = node.internal.ipv6,
        type = "AAAA",
      }
    }
  )

  domain = data.digitalocean_domain.ingress.id
  type   = each.value.type
  name   = "internal.${lower(each.value.node)}"
  value  = each.value.ip
  ttl    = 60
}

resource "digitalocean_record" "srv" {
  for_each = local.nodes_for_dns

  domain   = data.digitalocean_domain.ingress.id
  type     = "SRV"
  name     = digitalocean_record.internal[each.key].fqdn
  value    = "_nginx._tcp"
  port     = 9000
  priority = 10
  weight   = 100
  ttl      = 60
}