hosts/losurdo/acme/autogeree.net.nix

   1 { pkgs, lib, config, inputs, hosts, hostName, info, ... }:
   2 let
   3   domain = "autogeree.net";
   4   domainID = lib.replaceStrings [ "." ] [ "_" ] domain;
   5   inherit (config.users) groups;
   6 in
   7 {
   8   networking.nftables.ruleset = ''
   9     table inet filter {
  10       # ACME DNS-01 challenge and Gandi DNS
  11       set output-net-lego-ipv4 {
  12         type ipv4_addr
  13         elements = {
  14           ${hosts.mermet._module.args.ipv4},
  15           ${info.gandi.dns.secondary.ns.ipv4}
  16         }
  17       }
  18       set output-net-lego-ipv6 {
  19         type ipv6_addr
  20         elements = {
  21           ${info.gandi.dns.secondary.ns.ipv6}
  22         }
  23       }
  24     }
  25   '';
  26   security.acme.certs."${domain}" = {
  27     email = "root+letsencrypt@${domain}";
  28     extraDomainNames = [
  29       "*.${domain}"
  30     ];
  31     group = groups.acme.name;
  32     keyType = "rsa4096";
  33     dnsProvider = "rfc2136";
  34     # ns6.gandi.net takes roughly 5min to update
  35     # hence lego's RFC2136_PROPAGATION_TIMEOUT=1000
  36     #dnsPropagationCheck = false;
  37     credentialsFile = pkgs.writeText "acme-credentials-${domain}" ''
  38       RFC2136_NAMESERVER=ns.${domain}:53
  39       RFC2136_TSIG_ALGORITHM=hmac-sha256.
  40       RFC2136_TSIG_KEY=acme_${domainID}
  41       RFC2136_PROPAGATION_TIMEOUT=1000
  42       RFC2136_POLLING_INTERVAL=30
  43       RFC2136_SEQUENCE_INTERVAL=30
  44       RFC2136_DNS_TIMEOUT=1000
  45       RFC2136_TTL=1
  46     '';
  47   };
  48   systemd.services."acme-${domain}" = {
  49     serviceConfig.LoadCredentialEncrypted = [
  50       "${domain}.tsig:${./. + "/${domain}.tsig.cred"}"
  51     ];
  52     environment.RFC2136_TSIG_SECRET_FILE = "%d/${domain}.tsig";
  53     after = [ "unbound.service" ];
  54   };
  55 }