hosts/oignon.nix

   1 { config, pkgs, lib, inputs, hostName, ... }:
   2 {
   3   imports = [
   4     ../nixos/profiles/debug.nix
   5     ../nixos/profiles/graphical.nix
   6     ../nixos/profiles/irssi.nix
   7     ../nixos/profiles/lang-fr.nix
   8     ../nixos/profiles/laptop.nix
   9     ../nixos/profiles/printing.nix
  10     ../nixos/profiles/radio.nix
  11     ../nixos/profiles/tor.nix
  12     ../nixos/profiles/bluetooth.nix
  13     oignon/backup.nix
  14     oignon/hardware.nix
  15     oignon/nebula.nix
  16     oignon/networking.nix
  17   ];
  18
  19   # Lower kernel's security for better performances
  20   security.kernel.mitigations = "off";
  21
  22   home-manager.users.julm = {
  23     imports = [ ../homes/julm.nix ];
  24   };
  25   users.users.root = {
  26     openssh.authorizedKeys.keys = map lib.readFile [
  27       # For nix -L run .#oignon.switch
  28       ../users/julm/ssh/oignon.pub
  29     ];
  30   };
  31   users.users.julm = {
  32     isNormalUser = true;
  33     uid = 1000;
  34     # Put the hashedPassword in /nix/store,
  35     # though /etc/shadow is not world readable...
  36     # printf %s $(mkpasswd -m md5crypt)
  37     hashedPassword = lib.readFile oignon/users/julm/login/hashedPassword.clear;
  38     extraGroups = [
  39       "adbusers"
  40       "dialout"
  41       "lp"
  42       "networkmanager"
  43       "plugdev" # For rtl-sdr
  44       "scanner"
  45       "tor"
  46       "video"
  47       "wheel"
  48       #"ipfs"
  49       config.services.davfs2.davGroup
  50       #"vboxusers"
  51     ];
  52     # If created, zfs-mount.service would require:
  53     # zfs set overlay=yes ${hostName}/home
  54     createHome = false;
  55     openssh.authorizedKeys.keys = map lib.readFile [
  56       ../users/julm/ssh/losurdo.pub
  57     ];
  58   };
  59
  60   systemd.services.nix-daemon.serviceConfig.LoadCredentialEncrypted = [
  61     "${hostName}.key:${builtins.path { path = ./. + "/${hostName}/nix/secret-key-files.priv.pem.cred"; }}"
  62   ];
  63   nix = {
  64     extraOptions = ''
  65       secret-key-files = /run/credentials/nix-daemon.service/${hostName}.key
  66     '';
  67     settings = {
  68       substituters = [
  69         #"http://nix-localcache.losurdo.sp"
  70         "ssh://nix-ssh@losurdo.sp?priority=30"
  71       ];
  72       trusted-public-keys = map lib.readFile [
  73         ../users/nix/ssh/losurdo.pub
  74       ];
  75     };
  76     nixPath = lib.mkForce [ "nixpkgs=${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.sp:/";
 141         fsType = "fuse";
 142         inherit options;
 143       };
 144       "/mnt/losurdo" = {
 145         device = "${pkgs.sshfs-fuse}/bin/sshfs#julm@losurdo.sp:/";
 146         fsType = "fuse";
 147         inherit options;
 148       };
 149       "/mnt/mermet" = {
 150         device = "${pkgs.sshfs-fuse}/bin/sshfs#julm@mermet.sp:/";
 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     xkb = {
 209       layout = "fr,us(altgr-intl)";
 210     };
 211     desktopManager = {
 212       session = [
 213         # Let the session be generated by home-manager
 214         {
 215           name = "home-manager";
 216           start = ''
 217             ${pkgs.runtimeShell} $HOME/.hm-xsession &
 218             waitPID=$!
 219           '';
 220         }
 221       ];
 222     };
 223   };
 224
 225   services.displayManager = {
 226     defaultSession = "home-manager";
 227     #defaultSession = "none+xmonad";
 228     #defaultSession = "mate";
 229     #defaultSession = "cinnamon";
 230     autoLogin = {
 231       user = config.users.users.julm.name;
 232     };
 233   };
 234
 235   # This value determines the NixOS release with which your system is to be
 236   # compatible, in order to avoid breaking some software such as database
 237   # servers. You should change this only after NixOS release notes say you should.
 238   system.stateVersion = "20.09"; # Did you read the comment?
 239 }