This change enables using the ensure-zookeeper role in environments
where mounting a filesystem is not allowed.
Change-Id: I1a05a895a45896eca91dccfcfc85aeb1a58689ff
This change adds a new attribute to setup zookeeper TLS.
It also adds support for Debian-derived distros.
Change-Id: Ifb5fc51f3b66be0b2dd1b8003507e21d8afe16fc