Comment 4 for bug 1816094

Reviewed: https://review.openstack.org/640720
Committed: https://git.openstack.org/cgit/openstack/tripleo-heat-templates/commit/?id=5baa88d94e25f887da7a2f7f8103d52795b340ec
Submitter: Zuul
Branch: stable/rocky

commit 5baa88d94e25f887da7a2f7f8103d52795b340ec
Author: fpantano <email address hidden>
Date: Mon Feb 18 13:39:10 2019 +0100

    Added tar option to preserve metadata of existing fetch_dir

    Added tar option to allow the current user to unpack local
    or downloaded data (from swift) into ceph-ansible/fetch_dir,
    preserving the existing metadata.
    Added also a "/*" as trailing character on the *path field* of
    the *archive* ansible task to create a tar.gz containing all
    the fetch_dir content whithout including the parent directory
    in the resulting path: in this way we should be able to avoid
    nested fetch_dir.

    1. Added a step to fix broken environment excluding the nested
    fetch_dir from the archive sections;

    2. Added a new task to delete from filesystem the nested
    section to make everything clean: this task is executed
    according to the output of the previous one (the archive task).

    Change-Id: I45c394bd6b5c09730399202b476ed913e8f334c0
    Related-Bug: 1816094
    (cherry picked from commit 548f54b39d1e5f895af16b93646e9e7925ffd488)