nixops/eldiron.nix

   1 { privateFiles ? ./. }:
   2 {
   3   network = {
   4     description = "Immae's network";
   5     enableRollback = true;
   6   };
   7
   8   eldiron = { config, pkgs, mylibs, myconfig, ... }:
   9   {
  10     nixpkgs.overlays = builtins.attrValues (import ../overlays);
  11     _module.args = {
  12       pkgsNext = import <nixpkgsNext> {};
  13       pkgsPrevious = import <nixpkgsPrevious> {};
  14       mylibs = import ../libs.nix { inherit pkgs; };
  15       myconfig = {
  16         inherit privateFiles;
  17         env = import "${privateFiles}/environment.nix";
  18       };
  19     };
  20
  21     boot.kernelPackages = pkgs.linuxPackages_latest;
  22
  23     networking = {
  24       firewall.enable = true;
  25       # 176.9.151.89 declared in nixops -> infra / tools
  26       interfaces."eth0".ipv4.addresses = pkgs.lib.attrsets.mapAttrsToList
  27         (n: ips: { address = ips.ip4; prefixLength = 32; })
  28         (pkgs.lib.attrsets.filterAttrs (n: v: n != "main") myconfig.env.servers.eldiron.ips);
  29       interfaces."eth0".ipv6.addresses = pkgs.lib.flatten (pkgs.lib.attrsets.mapAttrsToList
  30         (n: ips: map (ip: { address = ip; prefixLength = (if n == "main" && ip == pkgs.lib.head ips.ip6 then 64 else 128); }) (ips.ip6 or []))
  31         myconfig.env.servers.eldiron.ips);
  32     };
  33
  34     imports = [
  35       ./modules/ssh
  36       ./modules/certificates.nix
  37       ./modules/gitolite
  38       ./modules/databases
  39       ./modules/mpd.nix
  40       ./modules/websites
  41       ./modules/mail.nix
  42       ./modules/ftp.nix
  43       ./modules/pub
  44       ./modules/task
  45       ./modules/irc.nix
  46       ./modules/buildbot
  47       ./modules/dns.nix
  48     ] ++ (builtins.attrValues (import ../modules));
  49     services.myGitolite.enable = true;
  50     services.myDatabases.enable = true;
  51     services.pure-ftpd.enable = true;
  52     services.irc.enable = true;
  53     services.pub.enable = true;
  54     services.myTasks.enable = true;
  55     services.buildbot.enable = true;
  56
  57     services.journald.extraConfig = ''
  58       MaxLevelStore="warning"
  59       MaxRetentionSec="1year"
  60       '';
  61
  62     deployment = {
  63       targetEnv = "hetzner";
  64       hetzner = {
  65         robotUser = myconfig.env.hetzner.user;
  66         robotPass = myconfig.env.hetzner.pass;
  67         mainIPv4 = myconfig.env.servers.eldiron.ips.main.ip4;
  68         partitions = ''
  69           clearpart --all --initlabel --drives=sda,sdb
  70
  71           part swap1 --recommended --label=swap1 --fstype=swap --ondisk=sda
  72           part swap2 --recommended --label=swap2 --fstype=swap --ondisk=sdb
  73
  74           part raid.1 --grow --ondisk=sda
  75           part raid.2 --grow --ondisk=sdb
  76
  77           raid / --level=1 --device=md0 --fstype=ext4 --label=root raid.1 raid.2
  78         '';
  79       };
  80     };
  81
  82     users.users.root.packages = [
  83       pkgs.telnet
  84       pkgs.htop
  85       pkgs.iftop
  86     ];
  87
  88     environment.systemPackages = [
  89       pkgs.vim
  90     ];
  91
  92     services.cron = {
  93       enable = true;
  94       systemCronJobs = [
  95         ''
  96           # The star after /var/lib/* avoids deleting all folders in case of problem
  97           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
  98         ''
  99       ];
 100     };
 101
 102     # This value determines the NixOS release with which your system is
 103     # to be compatible, in order to avoid breaking some software such as
 104     # database servers. You should change this only after NixOS release
 105     # notes say you should.
 106     system.stateVersion = "18.09"; # Did you read the comment?
 107   };
 108 }