support gather_facts: false; support setup-snapshot.yml (#52)
support gather_facts: false; support setup-snapshot.yml (#52)
Some users use gather_facts: false
in their playbooks. This changes
the role to work in that case, by gathering only the facts it requires
to run.
CI testing can be sped up by creating a snapshot image pre-installed
with packages. tests/setup-snapshot.yml can be used by a CI system
to do this.