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4e8a2bb7e4
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@ -5,29 +5,75 @@
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./hardware-configuration.nix
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];
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# Bootloader.
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boot.loader = {
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systemd-boot.enable = true;
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efi.canTouchEfiVariables = true;
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};
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beatific.hostName = "backyard";
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# networking.wireless.enable = true; # Enables wireless support via wpa_supplicant.
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# Enable networking
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networking.networkmanager.enable = true;
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users.users.tvb.extraGroups = [ "networkmanager" ];
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networking.firewall = {
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# Set your time zone.
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time.timeZone = "UTC";
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services.ntp = {
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enable = true;
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allowedTCPPorts = [
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80 # http
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443 # https
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];
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servers = [ "time.nist.gov" ];
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};
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# This value governs how some stateful data, like databases, are handled
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# across different versions of NixOS. This should not be changed to a new
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# release unless the sysadmin has determined that no services would be
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# adversely affected by changing this.
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system.stateVersion = "23.05";
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# Select internationalisation properties.
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i18n.defaultLocale = "en_US.UTF-8";
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i18n.extraLocaleSettings = {
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LC_ADDRESS = "en_US.UTF-8";
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LC_IDENTIFICATION = "en_US.UTF-8";
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LC_MEASUREMENT = "en_US.UTF-8";
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LC_MONETARY = "en_US.UTF-8";
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LC_NAME = "en_US.UTF-8";
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LC_NUMERIC = "en_US.UTF-8";
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LC_PAPER = "en_US.UTF-8";
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LC_TELEPHONE = "en_US.UTF-8";
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LC_TIME = "en_US.UTF-8";
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};
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# Define a user account. Don't forget to set a password with ‘passwd’.
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users.users.tvb = {
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isNormalUser = true;
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group = "tvb";
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extraGroups = [ "networkmanager" "wheel" ];
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openssh.authorizedKeys.keyFiles = [
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../../keys/tvb.palamas.pub
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../../keys/tvb.stagirite.pub
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../../keys/tvb.catacomb.pub
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../../keys/tvb.unfolder.pub
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];
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};
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users.groups.tvb = {};
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environment.systemPackages = with pkgs; [
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vim
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git
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];
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# Enable the OpenSSH daemon.
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services.openssh.enable = true;
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# Open ports in the firewall.
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# networking.firewall.allowedTCPPorts = [ ... ];
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# networking.firewall.allowedUDPPorts = [ ... ];
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# Or disable the firewall altogether.
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networking.firewall.enable = false;
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# This value determines the NixOS release from which the default
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# settings for stateful data, like file locations and database versions
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# on your system were taken. It‘s perfectly fine and recommended to leave
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# this value at the release version of the first install of this system.
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# Before changing this value read the documentation for this option
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# (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
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system.stateVersion = "23.05"; # Did you read the comment?
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}
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@ -1,156 +1,18 @@
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{ config, lib, pkgs, ... }:
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let
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inherit (lib) mkDefault mkIf mkMerge mkOption mkOverride types;
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inherit (lib) mkOption types;
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cfg = config.beatific;
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mkFlag = description: mkOption {
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type = types.bool;
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inherit description;
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default = true;
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};
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in {
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options = {
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beatific = {
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# The host name is reused for beatific-specific configuration.
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# The bulk of common config is handled in beatific.defaults below, but
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# having one option without a default ensures that the module cannot be
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# imported accidentally.
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hostName = mkOption {
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beatific.hostName = mkOption {
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type = types.str;
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description = "Hostname";
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};
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isLighthouse = mkOption {
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type = types.bool;
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description = "Whether this host is a Nebula lighthouse";
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default = false;
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};
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# Groups of related defaults can be disabled by flipping off the switches here:
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# beatific.defaults.${category} = false;
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# They default to true because the point is to do these things by default.
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defaults = {
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time = mkFlag "Default time zone and NTP";
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i18n = mkFlag "Default locale settings";
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programs = mkFlag "Default installed programs";
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ssh = mkFlag "Default sshd settings";
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nebula = mkFlag "Default beatific nebula settings";
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tvb = mkFlag "Default tvb account";
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};
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};
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};
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config = mkMerge [
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{
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# Options to always set
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networking.hostName = cfg.hostName;
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nix.extraOptions = "experimental-features = nix-command flakes";
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}
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(mkIf cfg.defaults.time {
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# mkDefault time zone to make it easy to configure it to non-UTC
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time.timeZone = mkDefault "UTC";
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services.ntp.enable = true;
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services.ntp.servers = [ "time.nist.gov" ];
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})
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(mkIf cfg.defaults.i18n {
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# en_US.UTF-8
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i18n.defaultLocale = "en_US.UTF-8";
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i18n.extraLocaleSettings = {
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LC_ADDRESS = "en_US.UTF-8";
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LC_IDENTIFICATION = "en_US.UTF-8";
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LC_MEASUREMENT = "en_US.UTF-8";
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LC_MONETARY = "en_US.UTF-8";
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LC_NAME = "en_US.UTF-8";
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LC_NUMERIC = "en_US.UTF-8";
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LC_PAPER = "en_US.UTF-8";
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LC_TELEPHONE = "en_US.UTF-8";
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LC_TIME = "en_US.UTF-8";
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};
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})
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(mkIf cfg.defaults.programs {
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environment.systemPackages = with pkgs; [
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curl
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git
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htop
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nebula
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python3
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vim
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wget
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];
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# The nixpkgs default is "nano", so we go one priority higher
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environment.variables.EDITOR = mkOverride 999 "vim";
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})
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(mkIf cfg.defaults.ssh {
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services.openssh.enable = true;
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services.openssh.banner = ''
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____ ______ _______ _____ ______ _____ ______ ./|,,/|
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| _ \| ____| /\ |__ __|_ _| ____|_ _|/ ____/ < o o|
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| |_) | |__ / \ | | | | | |__ | | | | <\ ( |
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| _ <| __| / /\ \ | | | | | __| | | | | <\\ |\ |
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| |_) | |____/ ____ \ | | _| |_| | _| |_| |___<\\\ |(__)
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|____/|_____/_/ \_\|_| |_____|_| |_____|\_____|\\ |
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'';
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networking.firewall.allowPing = true;
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networking.firewall.allowedTCPPorts = [ 22 ];
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})
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(mkIf cfg.defaults.nebula {
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services.nebula.networks.beatific = let
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empyreanExternalDns = "vpn.alogoulogoi.com";
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empyreanInternalIp = "10.22.20.1";
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nebulaPort = 4242;
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config = let
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in {
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enable = true;
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# The lighthouse only listens on the designated subdomain
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listen.host = if cfg.isLighthouse then empyreanExternalDns else "0.0.0.0";
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listen.port = nebulaPort;
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# Standard certificate paths
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ca = "/etc/nebula/beatific/beatific.crt";
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cert = "/etc/nebula/beatific/${cfg.hostName}.crt";
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key = "/etc/nebula/beatific/${cfg.hostName}.key";
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isLighthouse = cfg.isLighthouse;
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# Non-lighthouses connect to the lighthouse at empyrean
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# This should be a VPN address in the static host map
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lighthouses = mkIf (! cfg.isLighthouse) [ empyreanInternalIp ];
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# Currently there is no VPN-level traffic filtering
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firewall.outbound = [ { port = "any"; proto = "any"; host = "any"; } ];
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firewall.inbound = [ { port = "any"; proto = "any"; host = "any"; } ];
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# Map the lighthouse address to its public address
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staticHostMap = { ${empyreanInternalIp} = [ "${empyreanExternalDns}:${toString nebulaPort}" ]; };
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settings = {
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# Enable UDP holepunching both ways, which allows nodes to establish more direct connections with each other
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punchy = { punch = true; response = true; };
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networking.hostName = cfg.hostName;
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};
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};
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})
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(mkIf cfg.defaults.tvb {
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users.groups.tvb = {};
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users.users.tvb = {
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isNormalUser = true;
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group = "tvb";
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extraGroups = [ "wheel" ];
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initialPassword = "password";
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openssh.authorizedKeys.keyFiles = [
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../keys/tvb.catacomb.pub
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../keys/tvb.empyrean.pub
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../keys/tvb.palamas.pub
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../keys/tvb.stagirite.pub
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../keys/tvb.unfolder.pub
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../keys/tvb.vagrant.pub
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];
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};
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})
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];
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}
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