Added wiki instructions for Openstack on F17

[Cole Robinson]

On 03/05/2012 04:51 AM, Alan Pevec wrote:
> Hi Cole,
> 
> thanks for starting this! One important notice (I've edited the wiki
> to reflect this):
> in F17 default nova.conf changed from flagfile to configfile
> (ini-style) format
> http://pkgs.fedoraproject.org/gitweb/?p=openstack-nova.git;a=commitdiff;h=8e2e091558799cc088893df4bf83808c63502975
> 
> so all echo >> nova.conf will now use openstack-config-set (script
> I've currently put in openstack-keystone RPM and should move to
> openstack-common when that's ready upstream)
> e.g.
>  echo '--libvirt_type=qemu' | sudo tee -a /etc/nova/nova.conf
> to
>  openstack-config-set /etc/nova/nova.conf DEFAULT libvirt_type qemu
> 

Cool, thanks! Though that git change isn't in a built package yet, so it
actually doesn't represent current f17 nova state.

- Cole