snowfield/machines/tower/default.nix

{ pkgs, lib, ... }:

{
  imports = [
    ./hardware.nix
    ./home-julien.nix
  ];

  boot.loader.grub.enable = true;
  boot.loader.grub.device = "/dev/sda";
  boot.loader.grub.useOSProber = true;

  networking.hostName = "tower";

  networking.networkmanager.enable = true;

  time.timeZone = "Europe/Paris";

  luj.buildbot.enable = true;
  luj.nginx.enable = true;

  environment.systemPackages = with pkgs; [
    tailscale
    colmena
    git
  ];

  services.tailscale.enable = true;

  services.openssh.extraConfig = ''
    HostCertificate /etc/ssh/ssh_host_ed25519_key-cert.pub
    HostKey /etc/ssh/ssh_host_ed25519_key
    TrustedUserCAKeys /etc/ssh/ssh_user_key.pub
    MaxAuthTries 20
  '';

  services.xserver = {
    layout = "fr";
    xkbVariant = "";
  };

  console.keyMap = "fr";

  services.openssh.enable = true;

  programs.ssh.knownHosts."darwin-build-box.winter.cafe".publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIB0io9E0eXiDIEHvsibXOxOPveSjUPIr1RnNKbUkw3fD";

  services.nginx.virtualHosts."photos.julienmalka.me" = {
    enableACME = true;
    forceSSL = true;
    root = "/srv/photos";
  };

  nix = {
    package = lib.mkForce pkgs.nix;
    distributedBuilds = true;
    buildMachines = [
      {
        hostName = "epyc.infra.newtype.fr";
        maxJobs = 100;
        systems = [
          "x86_64-linux"
          "aarch64-linux"
        ];
        sshUser = "root";
        sshKey = "/home/julien/.ssh/id_ed25519";
        supportedFeatures = [
          "nixos-test"
          "benchmark"
          "big-parallel"
          "kvm"
        ];
        speedFactor = 2;
      }
      {
        hostName = "darwin-build-box.winter.cafe";
        maxJobs = 4;
        sshKey = "/home/julien/.ssh/id_ed25519";
        sshUser = "julienmalka";
        systems = [
          "aarch64-darwin"
          "x86_64-darwin"
        ];
      }
    ];
  };

  programs.ssh.extraConfig = ''
    Host lambda
      IdentityFile /home/julien/.ssh/id_ed25519
      HostName lambda.luj
      User root
      Port 45
  '';

  services.nix-gitlab-runner = {
    enable = true;
    registrationConfigFile = "/var/lib/gitlab-runner/gitlab_runner";
    packages = with pkgs; [
      coreutils
      su
      bash
      git
    ];
  };

  services.nginx.virtualHosts."phd.julienmalka.me" = {
    basicAuthFile = "/home/gitlab-runner/nginx_auth";
    enableACME = true;
    forceSSL = true;
    extraConfig = ''
      autoindex on;
      autoindex_localtime on;
    '';
    root = "/home/gitlab-runner/artifacts";
  };

  systemd.services.nginx.serviceConfig.ProtectHome = "read-only";
  systemd.services.nginx.serviceConfig.ReadWritePaths = [ "/home/gitlab-runner/artifacts" ];

  services.grafana.enable = true;
  services.grafana.settings.server.http_port = 3000;
  services.prometheus = {
    enable = true;
    pushgateway.enable = true;
    scrapeConfigs = [
      {
        job_name = "push";
        static_configs = [ { targets = [ "127.0.0.1:9091" ]; } ];
      }
    ];
  };

  services.nginx.virtualHosts."data.julienmalka.me" = {
    forceSSL = true;
    enableACME = true;
    locations."/" = {
      proxyPass = "http://localhost:3000";
      proxyWebsockets = true;
    };
  };

  services.nginx.virtualHosts."prometheus.julienmalka.me" = {
    forceSSL = true;
    enableACME = true;
    locations."/" = {
      proxyPass = "http://localhost:9090";
    };
  };

  services.nginx.virtualHosts."push.julienmalka.me" = {
    forceSSL = true;
    enableACME = true;
    locations."/" = {
      proxyPass = "http://localhost:9091";
    };
  };

  services.syncthing = {
    enable = true;
    user = "julien";
    group = "users";
    overrideDevices = true;
    overrideFolders = true;
    settings = {
      devices = {
        "fischer" = {
          id = "MHV2PGN-GAHQMV5-ITXGNQS-IRJC3XL-OQIHVUX-JVKBZ6Z-33XHE7H-NC6H5AE";
        };
      };
      folders = {
        "dev" = {
          # Name of folder in Syncthing, also the folder ID
          path = "/home/julien/dev"; # Which folder to add to Syncthing
          devices = [ "fischer" ]; # Which devices to share the folder with
        };
      };
    };
  };

  systemd.services.syncthing.serviceConfig.StateDirectory = "syncthing";

  networking.firewall.allowedTCPPorts = [
    80
    443
    1810
    9989
  ];
  networking.firewall.allowedUDPPorts = [
    80
    443
    1810
    9989
  ];

  system.stateVersion = "22.11"; # Did you read the comment?
}