hosts/losurdo/acme/sourcephile.fr.nix

   1 { pkgs, lib, config, hosts, ... }:
   2 let
   3   domain = "sourcephile.fr";
   4   domainID = lib.replaceStrings ["."] ["_"] domain;
   5   inherit (config.security) gnupg;
   6   inherit (config.users) users groups;
   7 in
   8 {
   9 networking.nftables.ruleset = ''
  10   table inet filter {
  11     # ACME DNS-01 challenge and Gandi DNS
  12     set output-net-lego-ipv4 {
  13       type ipv4_addr
  14       elements = {
  15         ${hosts.mermet._module.args.ipv4},
  16         217.70.177.40
  17       }
  18     }
  19     set output-net-lego-ipv6 {
  20       type ipv6_addr
  21       elements = { 2001:4b98:d:1::40 }
  22     }
  23   }
  24 '';
  25 security.acme.certs."${domain}" = {
  26   email = "root+letsencrypt@${domain}";
  27   extraDomainNames = [
  28     "*.${domain}"
  29   ];
  30   group = groups.acme.name;
  31   keyType = "rsa4096";
  32   dnsProvider = "rfc2136";
  33   # ns6.gandi.net takes roughly 5min to update
  34   # hence lego's RFC2136_PROPAGATION_TIMEOUT=1000
  35   #dnsPropagationCheck = false;
  36   credentialsFile = gnupg.secrets."lego/${domain}/rfc2136".path;
  37 };
  38 security.gnupg.secrets."lego/${domain}/rfc2136" = {
  39   pipe = ''
  40     cat - ${pkgs.writeText "env" ''
  41     RFC2136_NAMESERVER=ns.${domain}:53
  42     RFC2136_TSIG_ALGORITHM=hmac-sha256.
  43     RFC2136_TSIG_KEY=acme_${domainID}
  44     RFC2136_PROPAGATION_TIMEOUT=1000
  45     RFC2136_POLLING_INTERVAL=30
  46     RFC2136_SEQUENCE_INTERVAL=30
  47     RFC2136_DNS_TIMEOUT=1000
  48     RFC2136_TTL=1
  49     ''}
  50   '';
  51 };
  52 systemd.services."acme-${domain}" = {
  53   after = [
  54     "unbound.service"
  55     gnupg.secrets."lego/${domain}/rfc2136".service
  56   ];
  57   wants = [
  58     "unbound.service"
  59     gnupg.secrets."lego/${domain}/rfc2136".service
  60   ];
  61 };
  62 }