
In some cases it might be required to supply extra kernel options through GRUB modification. Good example of that is enablement of hugepages [1]. Adding variable `openstack_host_grub_options` should allow to manage GRUB-related options reliably and out-of-the-box. [1] https://docs.openstack.org/nova/latest/admin/huge-pages.html#enabling-huge-pages-on-the-host Change-Id: I148ed1760d841dd99bc1e075b6200d6d7e835530 Signed-off-by: Dmitriy Rabotyagov <dmitriy.rabotyagov@cleura.com>