Comment 6 for bug 1524640

The public gateway ping requirement can be bypassed via hiera.

http://git.openstack.org/cgit/openstack/fuel-library/tree/deployment/puppet/osnailyfacter/manifests/virtual_ips/public_vip_ping.pp#n7

network checker will report that is unavailable but you can still deploy if you set run_ping_checker to false for your environment.