nixos-config/nixos/machines/chungus/telemetry/telegraf-smart.nix

{ pkgs, ... }:
{
  services.smartd.enable = true;
  environment.systemPackages = [ pkgs.smartmontools pkgs.nvme-cli ];

  services.telegraf = {
    enable = true;
    extraConfig.inputs.smart = {
      attributes = true;
      use_sudo = true;
    };
  };
  systemd.services.telegraf.path = [ pkgs.smartmontools pkgs.nvme-cli "/run/wrappers" ];

  security.sudo.configFile = ''
     # For smartctl add the following lines:
     Cmnd_Alias SMARTCTL = ${pkgs.smartmontools}/bin/smartctl
     telegraf  ALL=(ALL) NOPASSWD: SMARTCTL
     Defaults!SMARTCTL !logfile, !syslog, !pam_session

    # For nvme-cli add the following lines:
    Cmnd_Alias NVME = ${pkgs.nvme-cli}/bin/nvme
    telegraf  ALL=(ALL) NOPASSWD: NVME
    Defaults!NVME !logfile, !syslog, !pam_session
  '';

}