os/hosts/flora-6/flora-6.nix

{ config
, forkModulesPath
, latestModulesPath
, lib
, inputs
, pkgs
, profiles
, self
, ...
}:
let
  psCfg = config.pub-solar;
in
{
  imports = [
    # Include the results of the hardware scan.
    ./hardware-configuration.nix
    ./triton-vmtools.nix

    profiles.base-user
    profiles.users.root # make sure to configure ssh keys
    profiles.users.barkeeper

    "${latestModulesPath}/services/web-apps/keycloak.nix"
    "${forkModulesPath}/services/misc/gitea.nix"
  ];
  disabledModules = [
    "services/web-apps/keycloak.nix"
    "services/misc/gitea.nix"
  ];

  config = {
    # # #
    # # # pub.solar options
    # # #
    pub-solar.core = {
      disk-encryption-active = false;
      iso-options.enable = true;
      lite = true;
    };

    age.secrets.keycloak-database-password = {
      file = "${self}/secrets/keycloak-database-password.age";
      mode = "700";
      #owner = "keycloak";
    };
    age.secrets.gitea-database-password = {
      file = "${self}/secrets/gitea-database-password.age";
      mode = "700";
      owner = "gitea";
    };
    age.secrets.gitea-mailer-password = {
      file = "${self}/secrets/gitea-mailer-password.age";
      mode = "700";
      owner = "gitea";
    };

    # # #
    # # # Host packages and configuration
    # # #

    # caddy
    services.caddy = {
      enable = lib.mkForce true;
      email = "admins@pub.solar";
      globalConfig = lib.mkForce "";
      virtualHosts = {
        "auth.pub.solar" = {
          logFormat = lib.mkForce ''
            output discard
          '';
          extraConfig = ''
            reverse_proxy :8080
          '';
        };
        "git.pub.solar" = {
          logFormat = lib.mkForce ''
            output discard
          '';
          extraConfig = ''
            reverse_proxy :3000
          '';
        };
      };
    };
    networking.firewall.allowedTCPPorts = [ 80 443 ];

    # keycloak
    services.keycloak = {
      enable = true;
      database.passwordFile = config.age.secrets.keycloak-database-password.path;
      settings = {
        hostname = "auth.pub.solar";
        http-host = "127.0.0.1";
        http-port = 8080;
        proxy = "edge";
      };
      themes = {
        "pub.solar" = inputs.keycloak-theme-pub-solar.legacyPackages.${pkgs.system}.keycloak-theme-pub-solar;
      };
    };

    # gitea
    services.gitea = {
      enable = true;
      appName = "pub.solar git server";
      database = {
        type = "postgres";
        passwordFile = config.age.secrets.gitea-database-password.path;
      };
      domain = "git.pub.solar";
      httpAddress = "127.0.0.1";
      httpPort = 3000;
      lfs.enable = true;
      mailerPasswordFile = config.age.secrets.gitea-mailer-password.path;
      rootUrl = "https://git.pub.solar";
      settings = {
        mailer = {
          ENABLED = true;
          MAILER_TYPE = "smtp";
          HOST = "mail.greenbaum.cloud:465";
          FROM = ''"pub.solar git server" <gitea@pub.solar>'';
          USER = "admins@pub.solar";
        };
        "repository.signing" = {
          SIGNING_KEY = "default";
          MERGES = "always";
        };
        openid = {
          ENABLE_OPENID_SIGNIN = true;
          ENABLE_OPENID_SIGNUP = true;
        };
        # uncomment after initial deployment, first user is admin user
        # required to setup SSO (oauth openid-connect, keycloak auth provider)
        service.ALLOW_ONLY_EXTERNAL_REGISTRATION = true;
        session.COOKIE_SECURE = lib.mkForce true;
      };
    };
    # Required for gitea server side gpg signatures
    # configured / setup manually in
    # /var/lib/gitea/data/home/.gitconfig and
    # /var/lib/gitea/data/home/.gnupg/
    programs.gnupg.agent = {
      enable = true;
      pinentryFlavor = "curses";
    };
    # Required to make gpg work without a graphical environment?
    # otherwise generating a new gpg key fails with this error:
    # gpg: agent_genkey failed: No pinentry
    # see: https://github.com/NixOS/nixpkgs/issues/97861#issuecomment-827951675
    environment.variables = {
      GPG_TTY = "$(tty)";
    };

    # netbird

    # Allow sudo without a password for the barkeeper user
    security.sudo.extraRules = [
      {
        users = [ "${psCfg.user.name}" ];
        commands = [
          {
            command = "ALL";
            options = [ "NOPASSWD" ];
          }
        ];
      }
    ];

    # # #
    # # # Triton host specific options
    # # # DO NOT ALTER below this line, changes might render system unbootable
    # # #

    # Use the systemd-boot EFI boot loader.
    boot.loader.systemd-boot.enable = true;
    boot.loader.efi.canTouchEfiVariables = true;

    # Force getting the hostname from cloud-init
    networking.hostName = lib.mkDefault "";

    # Set your time zone.
    time.timeZone = "Europe/Berlin";

    # Select internationalisation properties.
    console = {
      font = "Lat2-Terminus16";
      keyMap = "us";
    };

    # List packages installed in system profile. To search, run:
    # $ nix search wget
    environment.systemPackages = with pkgs; [
      git
      vim
      wget
    ];

    # Some programs need SUID wrappers, can be configured further or are
    # started in user sessions.
    # programs.mtr.enable = true;
    # programs.gnupg.agent = {
    #   enable = true;
    #   enableSSHSupport = true;
    # };

    # List services that you want to enable:
    services.cloud-init.enable = true;
    services.cloud-init.ext4.enable = true;
    services.cloud-init.network.enable = true;
    # use the default NixOS cloud-init config, but add some SmartOS customization to it
    environment.etc."cloud/cloud.cfg.d/90_smartos.cfg".text = ''
      datasource_list: [ SmartOS ]

      # Do not create the centos/ubuntu/debian user
      users: [ ]

      # mount second disk with label ephemeral0, gets formated by cloud-init
      # this will fail to get added to /etc/fstab as it's read-only, but should
      # mount at boot anyway
      mounts:
      - [ vdb, /data, auto, "defaults,nofail" ]
    '';

    # Enable the OpenSSH daemon.
    services.openssh = {
      enable = true;
      passwordAuthentication = false;
      permitRootLogin = "no";
    };

    # We manage the firewall with nix, too
    # altough triton can also manage firewall rules via the triton fwrule subcommand
    networking.firewall.enable = true;

    # This value determines the NixOS release from which the default
    # settings for stateful data, like file locations and database versions
    # on your system were taken. It‘s perfectly fine and recommended to leave
    # this value at the release version of the first install of this system.
    # Before changing this value read the documentation for this option
    # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
    system.stateVersion = "22.05"; # Did you read the comment?
  };
}