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
  40       ./modules/websites
  41       ./modules/mail
  42       ./modules/ftp
  43       ./modules/pub
  44       ./modules/task
  45       ./modules/irc
  46       ./modules/buildbot
  47       ./modules/dns
  48       ./modules/secrets
  49     ];
  50     services.myGitolite.enable = true;
  51     services.myDatabases.enable = true;
  52     services.myWebsites.production.enable = true;
  53     services.myWebsites.integration.enable = true;
  54     services.myWebsites.tools.enable = true;
  55     services.pure-ftpd.enable = true;
  56     services.irc.enable = true;
  57     services.pub.enable = true;
  58     services.myTasks.enable = true;
  59     services.buildbot.enable = true;
  60
  61     services.journald.extraConfig = ''
  62       MaxLevelStore="warning"
  63       MaxRetentionSec="1year"
  64       '';
  65
  66     deployment = {
  67       targetEnv = "hetzner";
  68       hetzner = {
  69         robotUser = myconfig.env.hetzner.user;
  70         robotPass = myconfig.env.hetzner.pass;
  71         mainIPv4 = myconfig.env.servers.eldiron.ips.main.ip4;
  72         partitions = ''
  73           clearpart --all --initlabel --drives=sda,sdb
  74
  75           part swap1 --recommended --label=swap1 --fstype=swap --ondisk=sda
  76           part swap2 --recommended --label=swap2 --fstype=swap --ondisk=sdb
  77
  78           part raid.1 --grow --ondisk=sda
  79           part raid.2 --grow --ondisk=sdb
  80
  81           raid / --level=1 --device=md0 --fstype=ext4 --label=root raid.1 raid.2
  82         '';
  83       };
  84     };
  85
  86     users.users.root.packages = [
  87       pkgs.telnet
  88       pkgs.htop
  89       pkgs.iftop
  90     ];
  91
  92     environment.systemPackages = [
  93       pkgs.vim
  94     ];
  95
  96     services.cron = {
  97       enable = true;
  98       systemCronJobs = [
  99         ''
 100           # The star after /var/lib/* avoids deleting all folders in case of problem
 101           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
 102         ''
 103       ];
 104     };
 105
 106     # This value determines the NixOS release with which your system is
 107     # to be compatible, in order to avoid breaking some software such as
 108     # database servers. You should change this only after NixOS release
 109     # notes say you should.
 110     system.stateVersion = "18.09"; # Did you read the comment?
 111   };
 112 }