{ config, pkgs, ... }:
let
  unstable = import (fetchTarball https://nixos.org/channels/nixos-unstable/nixexprs.tar.xz) {
    config = { allowUnfree = true; };
  };
in
{
  services.netdata.configDir."python.d.conf" = pkgs.writeText "python.d.conf" ''
    postfix: yes
  '';

  sops.secrets.netdata-claim-token = { };

  services.netdata = {
    enable = true;

    package = unstable.netdata;
    # claimTokenFile = config.sops.secrets.netdata-claim-token.path;

    python.enable = true;

    config = {
      global = {
        # uncomment to reduce memory to 32 MB
        "page cache size" = 32;

        # update interval
        "update every" = 15;
      };
      ml = {
        # enable machine learning
        "enabled" = "yes";
      };
    };
  };
}