(#13120) Add connection_type to nova::compute::libvirt
(#13120) Add connection_type to nova::compute::libvirt

As of essex, the option connection_type is required
for compute nodes.

This commit adds the nova configuration option to the
nova::compute::libvirt class and sets it to libvirt.

esteve/puppet-nova,dprince/puppet-nova,aquto/puppet-nova,nhinds/puppet-nova,arnaudmorinol/puppet-nova,pllopis/puppet-nova,mgagne/puppet-nova,balle/puppet-nova,javiplx/puppet-nova,mgagne/puppet-nova,ody/puppet-nova,aimonb/puppet-nova,stratustech/puppet-nova,dprince/puppet-nova,JioCloud/puppet-nova,balle/puppet-nova,bodepd/puppet-nova,DylanYu/puppet-nova,apenney/puppet-nova,mgagne/puppet-nova,esteve/puppet-nova,aimonb/puppet-nova,datacentred/puppet-nova,varunarya10/puppet-nova,datacentred/puppet-nova,TelekomCloud/puppet-nova,stratustech/puppet-nova,gwdg/puppet-nova,DarkHorseComics/puppet-nova,varunarya10/puppet-nova,bodepd/puppet-nova,ody/puppet-nova,aimonb/puppet-nova,cristifalcas/puppet-nova,nhinds/puppet-nova,gwdg/puppet-nova,apenney/puppet-nova,JioCloud/puppet-nova,aquto/puppet-nova,larsks/puppet-nova,madkiss/puppet-nova