Add the prepare-package-repository role

This role may be used by infra playbook tests.
It downloads docker rpm packages and their dependencies to disk and
creates a simulated offline rpm repository that
can then be used to test installation of packages.

Change-Id: Ia1a1bed1b124e036219ccc12c4650ce446955f01
Issue-ID: OOM-1816
Signed-off-by: Michal Zegan <m.zegan@samsung.com>
Signed-off-by: Samuli Silvius <s.silvius@partner.samsung.com>
2 files changed