{ config, constants, ... }:

{
  services.promtail = {
    enable = true;
    configuration = {
      server = {
        http_listen_port = 9080;
        grpc_listen_port = 0;
      };

      clients = [
        {
          url = "http://${constants.hosts.sid.ip}:3100/loki/api/v1/push";
        }
      ];

      scrape_configs = [
        {
          job_name = "journal";
          journal = {
            max_age = "12h";
            path = "/var/log/journal";

            labels = {
              job = "systemd-journal";
              host = config.networking.hostName;
            };
          };

          relabel_configs = [
            {
              source_labels = [ "__journal__systemd_unit" ];
              target_label = "unit";
            }
          ];
        }
      ];
    };
  };

  users.users.promtail.extraGroups = [ "systemd-journal" ];
}