{
  config,
  lib,
  masterDomain,
  securityTemplates,
  ...
}:
let
  cfg = config.os.srv.grafana;
in
{
  options.os.srv.grafana = {
    enable = lib.mkEnableOption "enables grafana";
    proxyConfig = lib.mkOption {
      type = lib.types.attrs;
      default = { };
    };
  };
  config = lib.mkIf cfg.enable {
    services.grafana = {
      enable = true;
      settings.server = {
        http_addr = "127.0.0.1";
        http_port = 3000;
      };
      provision = {
        enable = true;
        datasources.settings.datasources = [
          {
            name = "Prometheus";
            type = "prometheus";
            url = "http://127.0.0.1:9090";
          }
          {
            name = "Loki";
            type = "loki";
            url = "http://127.0.0.1:3100";
          }
        ];
      };
    };
    os.srv.grafana.proxyConfig = {
      "grafana.${masterDomain}" = {
        enableACME = true;
        forceSSL = true;

        locations."/" = {
          proxyPass = "http://${config.os.core.network.ips.vm2-gateway}:3000";
          extraConfig = securityTemplates.restrictToInternal;
        };
      };
    };
  };
}