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/irssi.nix
   8     ../nixos/profiles/lang-fr.nix
   9     ../nixos/profiles/printing.nix
  10     ../nixos/profiles/radio.nix
  11     ../nixos/profiles/tor.nix
  12     oignon/backup.nix
  13     oignon/hardware.nix
  14     oignon/networking.nix
  15   ];
  16
  17   # Lower kernel's security for better performances
  18   boot.kernelParams = [ "mitigations=off" ];
  19
  20   home-manager.users.julm = {
  21     imports = [ ../homes/julm.nix ];
  22   };
  23   systemd.services.home-manager-julm.postStart = ''
  24     ${pkgs.nix}/bin/nix-env --delete-generations +1 --profile /nix/var/nix/profiles/per-user/julm/home-manager
  25   '';
  26   users.users.root = {
  27     openssh.authorizedKeys.keys = map lib.readFile [
  28       # For nix -L run .#oignon.switch
  29       ../users/julm/ssh/oignon.pub
  30     ];
  31   };
  32   users.users.julm = {
  33     isNormalUser = true;
  34     uid = 1000;
  35     # Put the hashedPassword in /nix/store,
  36     # though /etc/shadow is not world readable...
  37     # printf %s $(mkpasswd -m md5crypt)
  38     hashedPassword = lib.readFile oignon/users/julm/login/hashedPassword.clear;
  39     extraGroups = [
  40       "adbusers"
  41       "dialout"
  42       "lp"
  43       "networkmanager"
  44       "plugdev" # For rtl-sdr
  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 ${hostName}/home
  55     createHome = false;
  56     openssh.authorizedKeys.keys = map lib.readFile [
  57       ../users/julm/ssh/losurdo.pub
  58     ];
  59   };
  60
  61   systemd.services.nix-daemon.serviceConfig.LoadCredentialEncrypted =
  62     [ ("${hostName}.key:${inputs.self}/hosts/${hostName}/nix/secret-key-files.priv.pem.cred") ];
  63   nix = {
  64     extraOptions = ''
  65       secret-key-files = /run/credentials/nix-daemon.service/${hostName}.key
  66     '';
  67     settings = {
  68       substituters = [
  69         #"http://nix-localcache.losurdo.wg"
  70         "ssh://nix-ssh@losurdo.wg?priority=30"
  71       ];
  72       trusted-public-keys = map lib.readFile [
  73         ../users/nix/ssh/losurdo.pub
  74       ];
  75     };
  76     nixPath = lib.mkForce [ "nixpkgs=${inputs.nixpkgs}" ];
  77   };
  78   #environment.etc."nixpkgs".source = pkgs.path;
  79   #environment.etc."nixpkgs-overlays".source = inputs.self + "/nixpkgs";
  80
  81   nix.settings.allowed-users = [ config.users.users."nix-ssh".name ];
  82   nix.sshServe = {
  83     enable = true;
  84     keys = map lib.readFile [
  85       ../users/julm/ssh/losurdo.pub
  86       ../users/julm/ssh/oignon.pub
  87       ../users/sevy/ssh/patate.pub
  88     ];
  89   };
  90
  91   environment.systemPackages = [
  92     pkgs.riseup-vpn # Can't be installed by home-manager because it needs to install policy-kit rules
  93   ];
  94
  95   boot.extraModulePackages = [
  96     #config.boot.kernelPackages.v4l2loopback
  97   ];
  98
  99   programs.fuse.userAllowOther = true;
 100
 101   services.davfs2.enable = true;
 102
 103   systemd.automounts = [
 104     { where = "/mnt/aubergine"; automountConfig.TimeoutIdleSec = "5 min"; }
 105   ];
 106   fileSystems =
 107     let
 108       # Use the user's gpg-agent session to query
 109       # for the password of the SSH key when auto-mounting.
 110       sshAsUser =
 111         pkgs.writeScript "sshAsUser" ''
 112           user="$1"; shift
 113           exec ${pkgs.sudo}/bin/sudo -i -u "$user" \
 114             ${pkgs.openssh}/bin/ssh "$@"
 115         '';
 116       options =
 117         [
 118           "user"
 119           "uid=julm"
 120           "gid=users"
 121           "allow_other"
 122           "exec" # Override "user"'s noexec
 123           "noatime"
 124           "nosuid"
 125           "_netdev"
 126           "ssh_command=${sshAsUser}\\040julm"
 127           "noauto"
 128           "x-gvfs-hide"
 129           "x-systemd.automount"
 130           #"Compression=yes" # YMMV
 131           # Disconnect approximately 2*15=30 seconds after a network failure
 132           "ServerAliveCountMax=1"
 133           "ServerAliveInterval=15"
 134           "dir_cache=no"
 135           #"reconnect"
 136         ];
 137     in
 138     {
 139       "/mnt/aubergine" = {
 140         device = "${pkgs.sshfs-fuse}/bin/sshfs#julm@aubergine.wg:/";
 141         fsType = "fuse";
 142         inherit options;
 143       };
 144       "/mnt/losurdo" = {
 145         device = "${pkgs.sshfs-fuse}/bin/sshfs#julm@losurdo.wg:/";
 146         fsType = "fuse";
 147         inherit options;
 148       };
 149       "/mnt/mermet" = {
 150         device = "${pkgs.sshfs-fuse}/bin/sshfs#julm@mermet.wg:/";
 151         fsType = "fuse";
 152         inherit options;
 153       };
 154       "/mnt/ilico/severine" = {
 155         device = "https://nuage.ilico.org/remote.php/dav/files/severine/";
 156         fsType = "davfs";
 157         options =
 158           let
 159             conf = pkgs.writeText "davfs2.conf" ''
 160               backup_dir /home/julm/.local/share/davfs2/ilico/severine
 161               secrets /home/julm/.davfs2/secrets
 162             '';
 163           in
 164           [
 165             "conf=${conf}"
 166             "user"
 167             "noexec"
 168             "nosuid"
 169             "noauto"
 170             "nofail"
 171             "_netdev"
 172             "reconnect"
 173             "x-systemd.automount"
 174             "x-systemd.device-timeout=1m"
 175             "x-systemd.idle-timeout=1m"
 176             "x-systemd.mount-timeout=10s"
 177           ];
 178       };
 179     };
 180
 181   networking.firewall.extraCommands = ''
 182     ip46tables -A nixos-fw -i wg-intra -p tcp -m tcp --dport 8000 -j ACCEPT
 183   '';
 184
 185   services.kubo = {
 186     #enable = true;
 187     defaultMode = "online";
 188     autoMount = true;
 189     enableGC = true;
 190     localDiscovery = false;
 191     settings = {
 192       Datastore.StorageMax = "10GB";
 193       Discovery.MDNS.Enabled = false;
 194       #Bootstrap = [
 195       #];
 196       #Swarm.AddrFilters = null;
 197     };
 198     startWhenNeeded = true;
 199   };
 200
 201   services.udev.packages = [
 202     # Allow the console user access the Yubikey USB device node,
 203     # needed for challenge/response to work correctly.
 204     pkgs.yubikey-personalization
 205   ];
 206
 207   services.xserver = {
 208     layout = "fr,us(altgr-intl)";
 209     desktopManager = {
 210       session = [
 211         # Let the session be generated by home-manager
 212         {
 213           name = "home-manager";
 214           start = ''
 215             ${pkgs.runtimeShell} $HOME/.hm-xsession &
 216             waitPID=$!
 217           '';
 218         }
 219       ];
 220     };
 221     displayManager = {
 222       defaultSession = "home-manager";
 223       #defaultSession = "none+xmonad";
 224       #defaultSession = "mate";
 225       #defaultSession = "cinnamon";
 226       autoLogin = {
 227         user = config.users.users.julm.name;
 228       };
 229     };
 230   };
 231
 232   # This value determines the NixOS release with which your system is to be
 233   # compatible, in order to avoid breaking some software such as database
 234   # servers. You should change this only after NixOS release notes say you should.
 235   system.stateVersion = "20.09"; # Did you read the comment?
 236 }