nixpkgs/nixos/modules/services/monitoring/do-agent.nix

{
  config,
  lib,
  pkgs,
  ...
}:

with lib;

let
  cfg = config.services.do-agent;

in
{
  options.services.do-agent = {
    enable = mkEnableOption "do-agent, the DigitalOcean droplet metrics agent";
  };

  config = mkIf cfg.enable {
    systemd.packages = [ pkgs.do-agent ];

    systemd.services.do-agent = {
      wantedBy = [ "multi-user.target" ];
      serviceConfig = {
        ExecStart = [
          ""
          "${pkgs.do-agent}/bin/do-agent --syslog"
        ];
        DynamicUser = true;
      };
    };
  };
}