create a template for ceph.repo

Signed-off-by: Alfredo Deza <alfredo.deza@inktank.com>
import firewall_install to the centos module

Signed-off-by: Alfredo Deza <alfredo.deza@inktank.com>
a working version of firewall_install for CentOS

Signed-off-by: Alfredo Deza <alfredo.deza@inktank.com>
helper to write to ceph.repo

Signed-off-by: Alfredo Deza <alfredo.deza@inktank.com>
install will be able to accept custom repo/gpg URLs now

Signed-off-by: Alfredo Deza <alfredo.deza@inktank.com>
allow environment variables too

Signed-off-by: Alfredo Deza <alfredo.deza@inktank.com>
move wget to after repo alteration

Signed-off-by: Alfredo Deza <alfredo.deza@inktank.com>
remove gpg_fallback from centos firewall_install

Signed-off-by: Alfredo Deza <alfredo.deza@inktank.com>
create firewall_install for debian

Signed-off-by: Alfredo Deza <alfredo.deza@inktank.com>
deal with gpg url fallback in install

Signed-off-by: Alfredo Deza <alfredo.deza@inktank.com>
firewall_install for fedora

Signed-off-by: Alfredo Deza <alfredo.deza@inktank.com>
add firewall_install to suse

Signed-off-by: Alfredo Deza <alfredo.deza@inktank.com>