hosts/oignon.nix

   1 { config, pkgs, lib, inputs, hostName, ... }:
   2 {
   3 imports = [
   4   ../nixos/profiles/builder.nix
   5   ../nixos/profiles/debug.nix
   6   ../nixos/profiles/graphical.nix
   7   ../nixos/profiles/lang-fr.nix
   8   ../nixos/profiles/printing.nix
   9   ../nixos/profiles/security.nix
  10   ../nixos/profiles/system.nix
  11   ../nixos/profiles/tor.nix
  12   ../nixos/profiles/irssi.nix
  13   oignon/backup.nix
  14   oignon/hardware.nix
  15   oignon/networking.nix
  16 ];
  17
  18 # Lower kernel's security for better performances
  19 boot.kernelParams = [ "mitigations=off" ];
  20
  21 home-manager.users.julm = {
  22   imports = [ ../homes/julm.nix ];
  23 };
  24 systemd.services.home-manager-julm.postStart = ''
  25   ${pkgs.nix}/bin/nix-env --delete-generations +1 --profile /nix/var/nix/profiles/per-user/julm/home-manager
  26 '';
  27 users.users.root = {
  28   openssh.authorizedKeys.keys = map lib.readFile [
  29     # For nix -L run .#oignon.switch
  30     ../users/julm/ssh/oignon.pub
  31   ];
  32 };
  33 users.users.julm = {
  34   isNormalUser = true;
  35   uid = 1000;
  36   # Put the hashedPassword in /nix/store,
  37   # though /etc/shadow is not world readable...
  38   # printf %s $(mkpasswd -m md5crypt)
  39   hashedPassword = lib.readFile oignon/users/julm/login/hashedPassword;
  40   extraGroups = [
  41     "adbusers"
  42     "dialout"
  43     "lp"
  44     "networkmanager"
  45     "scanner"
  46     "tor"
  47     "video"
  48     "wheel"
  49     #"ipfs"
  50     config.services.davfs2.davGroup
  51     #"vboxusers"
  52   ];
  53   # If created, zfs-mount.service would require:
  54   # zfs set overlay=yes ${hostName}/home
  55   createHome = false;
  56   openssh.authorizedKeys.keys = map lib.readFile [
  57     ../users/julm/ssh/losurdo.pub
  58   ];
  59 };
  60
  61 nix = {
  62   extraOptions = ''
  63     #secret-key-files = /run/credentials/nix-daemon.service/secret-key-files.pem
  64   '';
  65   settings = {
  66     trusted-users = [ config.users.users."julm".name ];
  67     substituters = [
  68       #"http://nix-localcache.losurdo.wg"
  69       "ssh://nix-ssh@losurdo.wg?priority=30"
  70     ];
  71     trusted-public-keys = map lib.readFile [
  72       ../hosts/losurdo/nix/key.pub
  73     ];
  74   };
  75   nixPath = lib.mkForce [ "nixpkgs=${inputs.nixpkgs}" ];
  76 };
  77 #environment.etc."nixpkgs".source = pkgs.path;
  78 #environment.etc."nixpkgs-overlays".source = inputs.self + "/nixpkgs";
  79
  80 nix.settings.allowed-users = [ config.users.users."nix-ssh".name ];
  81 nix.sshServe = {
  82   enable = true;
  83   keys = map lib.readFile [
  84     ../users/julm/ssh/losurdo.pub
  85     ../users/julm/ssh/oignon.pub
  86     ../users/sevy/ssh/patate.pub
  87   ];
  88 };
  89
  90 environment.systemPackages = [
  91   pkgs.riseup-vpn # Can't be installed by home-manager because it needs to install policy-kit rules
  92 ];
  93
  94 boot.extraModulePackages = [
  95   #config.boot.kernelPackages.v4l2loopback
  96 ];
  97
  98 programs.fuse.userAllowOther = true;
  99
 100 services.davfs2.enable = true;
 101
 102 fileSystems =
 103   # Use the user's gpg-agent session to query
 104   # for the password of the SSH key when auto-mounting.
 105   let
 106     sshAsUser = user:
 107       pkgs.writeScript "sshAsUser-${user}" ''
 108          exec ${pkgs.sudo}/bin/sudo -i -u ${user} \
 109            ${pkgs.openssh}/bin/ssh "$@"
 110       '';
 111     options =
 112       [
 113         "noatime" "noexec" "nosuid"
 114         "user" "uid=julm" "gid=users" "allow_other"
 115         "_netdev" "ssh_command=${sshAsUser "julm"}" #  "reconnect"
 116         "noauto" "x-gvfs-hide" "x-systemd.automount"
 117         #"Compression=yes" # YMMV
 118         # Disconnect approximately 2*15=30 seconds after a network failure
 119         "ServerAliveCountMax=1"
 120         "ServerAliveInterval=15"
 121       ];
 122   in {
 123   "/mnt/aubergine" = {
 124     device = "${pkgs.sshfs-fuse}/bin/sshfs#julm@aubergine.wg:/";
 125     fsType = "fuse";
 126     inherit options;
 127   };
 128   "/mnt/losurdo" = {
 129     device = "${pkgs.sshfs-fuse}/bin/sshfs#julm@losurdo.wg:/";
 130     fsType = "fuse";
 131     inherit options;
 132   };
 133   "/mnt/mermet" = {
 134     device = "${pkgs.sshfs-fuse}/bin/sshfs#julm@mermet.wg:/";
 135     fsType = "fuse";
 136     inherit options;
 137   };
 138   "/mnt/ilico/severine" = {
 139     device = "https://nuage.ilico.org/remote.php/dav/files/severine/";
 140     fsType = "davfs";
 141     options =
 142       let conf = pkgs.writeText "davfs2.conf" ''
 143         backup_dir /home/julm/.local/share/davfs2/ilico/severine
 144         secrets /home/julm/.davfs2/secrets
 145       ''; in
 146       [ "conf=${conf}" "user" "noexec" "nosuid"
 147         "noauto" "nofail" "_netdev" "reconnect"
 148         "x-systemd.automount"
 149         "x-systemd.device-timeout=1m"
 150         "x-systemd.idle-timeout=1m"
 151         "x-systemd.mount-timeout=10s"
 152       ];
 153   };
 154 };
 155
 156 networking.firewall.extraCommands = ''
 157   ip46tables -A nixos-fw -i wg-intra -p tcp -m tcp --dport 8000 -j ACCEPT
 158 '';
 159
 160 services.ipfs = {
 161   #enable = true;
 162   defaultMode = "online";
 163   autoMount = true;
 164   enableGC = true;
 165   localDiscovery = false;
 166   extraConfig = {
 167     Datastore.StorageMax = "10GB";
 168     Discovery.MDNS.Enabled = false;
 169     #Bootstrap = [
 170     #];
 171     #Swarm.AddrFilters = null;
 172   };
 173   startWhenNeeded = true;
 174 };
 175
 176 services.udev.packages = [
 177   # Allow the console user access the Yubikey USB device node,
 178   # needed for challenge/response to work correctly.
 179   pkgs.yubikey-personalization
 180 ];
 181
 182 services.xserver = {
 183   desktopManager = {
 184     session = [
 185       # Let the session be generated by home-manager
 186       { name = "home-manager";
 187         start = ''
 188           ${pkgs.runtimeShell} $HOME/.hm-xsession &
 189           waitPID=$!
 190         '';
 191       }
 192     ];
 193   };
 194   displayManager = {
 195     defaultSession = "home-manager";
 196     #defaultSession = "none+xmonad";
 197     #defaultSession = "mate";
 198     #defaultSession = "cinnamon";
 199     autoLogin = {
 200       user = config.users.users.julm.name;
 201     };
 202   };
 203 };
 204
 205 # This value determines the NixOS release with which your system is to be
 206 # compatible, in order to avoid breaking some software such as database
 207 # servers. You should change this only after NixOS release notes say you should.
 208 system.stateVersion = "20.09"; # Did you read the comment?
 209 }