modules/private/system/dilion.nix

   1 { privateFiles }:
   2 { config, pkgs, name, lib, ... }:
   3 {
   4   boot.supportedFilesystems = [ "zfs" ];
   5   boot.kernelPackages = pkgs.linuxPackages_latest;
   6   myEnv = import "${privateFiles}/environment.nix" // { inherit privateFiles; };
   7
   8   networking = {
   9     hostId = "27c3048d"; # generated with head -c4 /dev/urandom | od -A none -t x4
  10     firewall.enable = false;
  11     interfaces."eth0".ipv4.addresses = pkgs.lib.attrsets.mapAttrsToList
  12       (n: ips: { address = ips.ip4; prefixLength = 32; })
  13       (pkgs.lib.attrsets.filterAttrs (n: v: n != "main") config.hostEnv.ips);
  14     interfaces."eth0".ipv6.addresses = pkgs.lib.flatten (pkgs.lib.attrsets.mapAttrsToList
  15       (n: ips: map (ip: { address = ip; prefixLength = (if n == "main" && ip == pkgs.lib.head ips.ip6 then 64 else 128); }) (ips.ip6 or []))
  16       config.hostEnv.ips);
  17   };
  18
  19   myServices.ssh.modules = [ config.myServices.ssh.predefinedModules.regular ];
  20   imports = builtins.attrValues (import ../..);
  21
  22   deployment = {
  23     targetEnv = "hetzner";
  24     hetzner = {
  25       robotUser = config.myEnv.hetzner.user;
  26       robotPass = config.myEnv.hetzner.pass;
  27       mainIPv4 = config.hostEnv.ips.main.ip4;
  28       partitions = ''
  29         clearpart --all --initlabel --drives=sda,sdb,sdc,sdd
  30
  31         part swap --recommended --label=swap --fstype=swap --ondisk=sda
  32
  33         part raid.1 --grow --ondisk=sdc
  34         part raid.2 --grow --ondisk=sdd
  35
  36         raid / --level=1 --device=md0 --fstype=ext4 --label=root raid.1 raid.2
  37
  38         part /nix --grow --label=nix --ondisk=sda
  39         part /data --grow --label=data --ondisk=sdb
  40       '';
  41     };
  42   };
  43
  44   system.nssModules = [ pkgs.libvirt ];
  45   system.nssHosts = lib.mkForce [ "files" "libvirt_guest" "mymachines" "dns" "myhostname" ];
  46   programs.zsh.enable = true;
  47
  48   users.users.backup = {
  49     home = "/var/lib/backup";
  50     createHome = true;
  51     hashedPassword = "!";
  52     isSystemUser = true;
  53     shell = pkgs.bashInteractive;
  54     openssh.authorizedKeys.keys = let
  55     in
  56       ["command=\"${pkgs.rrsync_sudo}/bin/rrsync /var/lib/backup/eldiron/\"  ${config.myEnv.rsync_backup.ssh_key.public}"];
  57   };
  58   security.sudo.extraRules = pkgs.lib.mkAfter [
  59     {
  60       commands = [
  61         { command = "${pkgs.rsync}/bin/rsync"; options = [ "NOPASSWD" ]; }
  62       ];
  63       users = [ "backup" ];
  64       runAs = "root";
  65     }
  66     {
  67       commands = [
  68         { command = "/home/immae/.nix-profile/root_scripts/*"; options = [ "NOPASSWD" ]; }
  69       ];
  70       users = [ "immae" ];
  71       runAs = "root";
  72     }
  73   ];
  74
  75   boot.kernel.sysctl."vm.nr_hugepages" = 256; # for xmr-stak
  76   system.activationScripts.backup_home = ''
  77     chown root:root /var/lib/backup
  78     install -m 0750 -o backup -g root -d /var/lib/backup/eldiron
  79   '';
  80
  81   system.activationScripts.libvirtd_exports = ''
  82     install -m 0755 -o root -g root -d /var/lib/caldance
  83   '';
  84   virtualisation.docker.enable = true;
  85   virtualisation.libvirtd.enable = true;
  86   users.extraUsers.immae.extraGroups = [ "libvirtd" "docker" ];
  87   systemd.services.libvirtd.postStart = ''
  88     install -m 0770 -g libvirtd -d /var/lib/libvirt/images
  89   '';
  90   systemd.services.socat-caldance = {
  91     description = "Forward ssh port to caldance";
  92     wantedBy = [ "multi-user.target" ];
  93     after = [ "network.target" ];
  94
  95     serviceConfig = {
  96       ExecStart = "${pkgs.socat}/bin/socat TCP-LISTEN:8022,fork TCP:nixops-99a7e1ba-54dc-11ea-a965-10bf487fe63b-caldance:22";
  97     };
  98   };
  99
 100   time.timeZone = "Europe/Paris";
 101   nix = {
 102     useSandbox = "relaxed";
 103     extraOptions = ''
 104       keep-outputs = true
 105       keep-derivations = true
 106       #Assumed in NUR
 107       allow-import-from-derivation = true
 108     '';
 109   };
 110
 111   security.pki.certificateFiles = [
 112     (pkgs.fetchurl {
 113       url = "http://downloads.e.eriomem.net/eriomemca.pem";
 114       sha256 = "1ixx4c6j3m26j8dp9a3dkvxc80v1nr5aqgmawwgs06bskasqkvvh";
 115     })
 116   ];
 117
 118   # This is equivalent to setting environment.sessionVariables.NIX_PATH
 119   nix.nixPath = [
 120     "home-manager=${pkgs.sources.home-manager.url}"
 121     "nixpkgs=${pkgs.sources.nixpkgs-home-manager.url}"
 122   ];
 123   nix.binaryCaches = [ "https://hydra.iohk.io" "https://cache.nixos.org" ];
 124   nix.binaryCachePublicKeys = [ "hydra.iohk.io:f/Ea+s+dFdN+3Y/G+FDgSq+a5NEWhJGzdjvKNGv0/EQ=" ];
 125
 126   myServices.certificates.enable = true;
 127   security.acme.certs."${name}" = {
 128     user = config.services.nginx.user;
 129     group = config.services.nginx.group;
 130     extraDomains = {
 131       "discourse.immae.eu" = null;
 132       "discourse.cip-ca.fr" = null;
 133       "dev.immae.eu" = null;
 134       "caldance.immae.eu" = null;
 135     };
 136   };
 137   services.nginx = {
 138     enable = true;
 139     recommendedOptimisation = true;
 140     recommendedGzipSettings = true;
 141     recommendedProxySettings = true;
 142     upstreams = {
 143       caldance.servers."nixops-99a7e1ba-54dc-11ea-a965-10bf487fe63b-caldance:3031" = {};
 144     };
 145     virtualHosts = {
 146       "dev.immae.eu" = {
 147         acmeRoot = config.myServices.certificates.webroot;
 148         useACMEHost = name;
 149         forceSSL = true;
 150         root = "/home/immae/www";
 151       };
 152       "discourse.immae.eu" = {
 153         acmeRoot = config.myServices.certificates.webroot;
 154         useACMEHost = name;
 155         forceSSL = true;
 156         locations."/".proxyPass = "http://localhost:18031";
 157       };
 158       "discourse.cip-ca.fr" = {
 159         acmeRoot = config.myServices.certificates.webroot;
 160         useACMEHost = name;
 161         forceSSL = true;
 162         locations."/".proxyPass = "http://localhost:18031";
 163       };
 164       "caldance.immae.eu" = {
 165         acmeRoot = config.myServices.certificates.webroot;
 166         useACMEHost = name;
 167         forceSSL = true;
 168         locations."/".extraConfig = ''
 169           uwsgi_pass caldance;
 170         '';
 171         locations."/static/".alias = "/var/lib/caldance/caldance/app/www/static/";
 172         locations."/media/".alias = "/var/lib/caldance/caldance/media/";
 173         extraConfig = ''
 174           auth_basic           "Authentification requise";
 175           auth_basic_user_file ${pkgs.writeText "htpasswd" config.myEnv.websites.caldance.integration.password};
 176         '';
 177       };
 178     };
 179   };
 180
 181   # This value determines the NixOS release with which your system is
 182   # to be compatible, in order to avoid breaking some software such as
 183   # database servers. You should change this only after NixOS release
 184   # notes say you should.
 185   # https://nixos.org/nixos/manual/release-notes.html
 186   system.stateVersion = "20.03"; # Did you read the comment?
 187 }
 188