Load modules config only for modules managed by puppet (#90)

[deric]

Pull Request (PR) description

Avoid exporting all loaded kernel modules as facts.

Only loaded modules will be exported (970 lines -> 16 lines)

$ facter -y --puppet kmods
kmods:
  br_netfilter:
    parameters: {}
    used_by: []
  overlay:
    parameters:
      check_copy_up: "N"
      index: "N"
      metacopy: "N"
      nfs_export: "N"
      permit_mounts_in_userns: "N"
      redirect_always_follow: "Y"
      redirect_dir: "N"
      redirect_max: '256'
      xino_auto: "N"
    used_by: []

Too many facts might overload puppetserver or slow down puppet runs.

This Pull Request (PR) fixes the following issues

Fixes #90

[fraenki]

@deric, would you please rebase? It has merge conflicts now. Would love to see this getting merged rather sooner than later. :)

[deric]

@fraenki Yeah, sure. This is a bit old, I don't recall the details.

[deric]

@fraenki Rebased, please test this. It might be breaking change for some setups.

[deric]

@fraenki Rebased