infra/services/uptime-kuma/default.nix

{
  inputs,
  lib,
  config,
  ...
}:
let
  cfg = config.bagel.status;
  # TODO: pull domains from a central place
  subdomains = [
    "cl"
    "netbox"
    "cache"
    "grafana"
    "hydra"
    "loki"
    "mimir"
    "pyroscope"
    "matrix"
    "tempo"
    "amqp"
    "fodwatch"
    "git"
    "alerts"
    "buildbot"
    "b"
    "postgres"
    "news"
  ];
  port = 3001;
in
{
  imports = [ "${inputs.stateless-uptime-kuma}/nixos/module.nix" ];

  options.bagel.status = {
    enable = lib.mkEnableOption "the status page service (uptime-kuma)";
    domain = lib.mkOption {
      type = lib.types.str;
    };
  };

  config = lib.mkIf cfg.enable {
    services.uptime-kuma.enable = true;

    services.nginx = {
      enable = true;
      virtualHosts.${cfg.domain} = {
        enableACME = true;
        forceSSL = true;
        locations."/" = {
          proxyPass = "http://127.0.0.1:${builtins.toString port}";
          proxyWebsockets = true;
        };
      };
    };

    networking.firewall.allowedTCPPorts = [
      80
      443
    ];

    age.secrets.stateless-uptime-kuma-password.file = ../../secrets/stateless-uptime-kuma-password.age;
    statelessUptimeKuma = {
      probesConfig = {
        monitors = lib.genAttrs subdomains (name: {
          type = "http";
          url = "https://${name}.forkos.org/";
          tags = [];
        });
        status_pages = {
          "forkos" = {
            title = "ForkOS";
            description = "health of the ForkOS infra";
            showTags = true;
            publicGroupList = [
              {
                name = "Services";
                weight = 1;
                monitorList = lib.genAttrs subdomains (id: {
                  inherit id;
                });
              }
            ];
          };
        };
      };
      extraFlags = [ "-s" ];
      host = "http://localhost:${builtins.toString port}/";
      username = "forkos";
      passwordFile = config.age.secrets."stateless-uptime-kuma-password".path;
      enableService = true;
    };
  };
}