clan-infra/terraform/web01/dns.tf

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locals {
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hostnames = [
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"@",
"git",
"mail",
"cache",
"matrix",
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"www",
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"docs",
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"metrics",
"buildbot"
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]
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}
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resource "hetznerdns_zone" "server" {
name = var.dns_zone
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ttl = 3600
}
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resource "hetznerdns_record" "server_a" {
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for_each = toset(local.hostnames)
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zone_id = hetznerdns_zone.server.id
name = each.value
type = "A"
value = var.ipv4_address
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}
resource "hetznerdns_record" "server_aaaa" {
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for_each = toset(local.hostnames)
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zone_id = hetznerdns_zone.server.id
name = each.value
type = "AAAA"
value = var.ipv6_address
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}
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# for sending emails
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resource "hetznerdns_record" "spf" {
zone_id = hetznerdns_zone.server.id
name = "@"
type = "TXT"
value = "\"v=spf1 ip4:${var.ipv4_address} ip6:${var.ipv6_address} ~all\""
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}
resource "hetznerdns_record" "dkim" {
zone_id = hetznerdns_zone.server.id
name = "v1._hostnamekey"
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type = "TXT"
# take from `systemctl status opendkim`
value = "\"v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDpQeJirqh8VFGHRQBemqF5CeicC/5qHJn3vqKkVIOQNqkgp7IE+EZDg+MXoxMQZEJ0RbO0JpZZgYpOf3jf8o5w56WbE4dbpbi+9112R57k5w41R16Q0EUjf7MbrLJqcF6mtf+3bPklF9ngdcWhgN024YfhR9SlebCOapCVYqVt8QIDAQAB\""
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}
resource "hetznerdns_record" "adsp" {
zone_id = hetznerdns_zone.server.id
name = "_adsp._hostnamekey"
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type = "TXT"
value = "\"dkim=all;\""
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}
resource "hetznerdns_record" "matrix" {
zone_id = hetznerdns_zone.server.id
name = "_matrix._tcp"
type = "SRV"
value = "0 5 443 matrix"
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}
resource "hetznerdns_record" "dmarc" {
zone_id = hetznerdns_zone.server.id
name = "_dmarc"
type = "TXT"
value = "\"v=DMARC1; p=none; adkim=r; aspf=r; rua=mailto:joerc.dmarc@thalheim.io; ruf=mailto:joerg.dmarc@thalheim.io; pct=100\""
}