modules/private/system/eldiron.nix

   1 { privateFiles }:
   2 { config, pkgs, myconfig, ... }:
   3 {
   4   boot.kernelPackages = pkgs.linuxPackages_latest;
   5   _module.args.privateFiles = privateFiles;
   6
   7   networking = {
   8     firewall.enable = true;
   9     # 176.9.151.89 declared in nixops -> infra / tools
  10     interfaces."eth0".ipv4.addresses = pkgs.lib.attrsets.mapAttrsToList
  11       (n: ips: { address = ips.ip4; prefixLength = 32; })
  12       (pkgs.lib.attrsets.filterAttrs (n: v: n != "main") myconfig.env.servers.eldiron.ips);
  13     interfaces."eth0".ipv6.addresses = pkgs.lib.flatten (pkgs.lib.attrsets.mapAttrsToList
  14       (n: ips: map (ip: { address = ip; prefixLength = (if n == "main" && ip == pkgs.lib.head ips.ip6 then 64 else 128); }) (ips.ip6 or []))
  15       myconfig.env.servers.eldiron.ips);
  16   };
  17
  18   imports = builtins.attrValues (import ../..);
  19
  20   boot.kernel.sysctl = {
  21     # https://github.com/Netflix/security-bulletins/blob/master/advisories/third-party/2019-001.md
  22     "net.ipv4.tcp_sack" = 0;
  23   };
  24   myServices.buildbot.enable = true;
  25   myServices.databases.enable = true;
  26   myServices.gitolite.enable = true;
  27   myServices.monitoring.enable = true;
  28   myServices.irc.enable = true;
  29   myServices.pub.enable = true;
  30   myServices.tasks.enable = true;
  31   myServices.mpd.enable = true;
  32   myServices.dns.enable = true;
  33   myServices.certificates.enable = true;
  34   myServices.websites.enable = true;
  35   myServices.mail.enable = true;
  36   services.pure-ftpd.enable = true;
  37   services.backup.enable = true;
  38
  39   deployment = {
  40     targetEnv = "hetzner";
  41     hetzner = {
  42       robotUser = myconfig.env.hetzner.user;
  43       robotPass = myconfig.env.hetzner.pass;
  44       mainIPv4 = myconfig.env.servers.eldiron.ips.main.ip4;
  45       partitions = ''
  46         clearpart --all --initlabel --drives=sda,sdb
  47
  48         part swap1 --recommended --label=swap1 --fstype=swap --ondisk=sda
  49         part swap2 --recommended --label=swap2 --fstype=swap --ondisk=sdb
  50
  51         part raid.1 --grow --ondisk=sda
  52         part raid.2 --grow --ondisk=sdb
  53
  54         raid / --level=1 --device=md0 --fstype=ext4 --label=root raid.1 raid.2
  55       '';
  56     };
  57   };
  58
  59   services.cron = {
  60     enable = true;
  61     systemCronJobs = [
  62       ''
  63         # The star after /var/lib/* avoids deleting all folders in case of problem
  64         0 3,9,15,21 * * * root rsync -e "ssh -i /root/.ssh/id_charon_vpn" -aAXvz --delete --numeric-ids --super --rsync-path="sudo rsync" /var/lib/* immae@immae.eu: > /dev/null
  65       ''
  66     ];
  67   };
  68
  69   # This value determines the NixOS release with which your system is
  70   # to be compatible, in order to avoid breaking some software such as
  71   # database servers. You should change this only after NixOS release
  72   # notes say you should.
  73   # https://nixos.org/nixos/manual/release-notes.html
  74   system.stateVersion = "19.03"; # Did you read the comment?
  75 }