terraform/namecheap.tf

// https://registry.terraform.io/providers/namecheap/namecheap/latest/docs

variable "caladan-ips" {
  type = object({
    v4 = string
    v6 = string
  })
  default = {
    v4 = "139.162.137.29"
    v6 = "2a01:7e01::f03c:92ff:fea2:5d7c"
  }
}

// These are subdomains for services hosted on the host named `caladan`.
// Both A and AAAA records should be made for them pointing to caladan's ipv4
// and ipv6 respectively
variable "caladan-hostnames" {
  type = set(string)
  default = [
    "@",
    "filite",
    "git",
    "gts",
    "kb",
    "keyoxide",
    "matrix",
    "mx2",
    "pleroma",
    "xmpp",
    "groups.xmpp",
    "proxy.xmpp",
    "upload.xmpp",
  ]
}

// These are subdomains for services hosted on the host named `narwhal`.
// They are only accessible from my internal network and my internal DNS server
// takes care of that.
// But I set the public A record to caladan's ipv4 just for renewing their
// letsencrypt certificates. No need to set the AAAA record.
variable "narwhal-hostnames" {
  type = set(string)
  default = [
    "authelia",
    "calibre",
    "dav",
    "esphome",
    "git.narwhal",
    "gotify",
    "grafana",
    "hass",
    "homer",
    "influxdb",
    "jellyfin",
    "kodi",
    "mirrors",
    "mpd",
    "music",
    "nextcloud",
    "nodered",
    "openbooks",
    "pg",
    "rainloop",
    "registry",
    "rss-bridge",
    "syncthing",
    "transmission",
    "wallabag",
    "woodpecker",
  ]
}

provider "namecheap" {
  user_name   = "gthar"
  api_user    = "gthar"
  client_ip   = var.caladan-ips.v4
  use_sandbox = false
}

resource "namecheap_domain_records" "monotremata-xyz" {
  domain = "monotremata.xyz"
  mode   = "MERGE" // maybe eventually move to OVERWRITE

  dynamic "record" {
    for_each = var.caladan-hostnames
    content {
      hostname = record.value
      type     = "A"
      address  = var.caladan-ips.v4
    }
  }

  dynamic "record" {
    for_each = var.narwhal-hostnames
    content {
      hostname = record.value
      type     = "A"
      address  = var.caladan-ips.v4
    }
  }

  dynamic "record" {
    for_each = var.caladan-hostnames
    content {
      hostname = record.value
      type     = "AAAA"
      address  = var.caladan-ips.v6
    }
  }

}