[Users] test day: using VM has host for vdsm

[Doron Fediuck]

On Wednesday 18 January 2012 15:13:58 Haim Ateya wrote:
> On Wed 18 Jan 2012 03:10:58 PM IST, Ryan Harper wrote:
> > * Juan Hernandez<juan.hernandez at redhat.com>  [2012-01-18 07:09]:
> >> On 01/18/2012 01:59 PM, Ryan Harper wrote:
> >>> I've created some f16 VMs that contain both ovirt-engine and a few
> >>> to run vdsm as nodes.  When I add in the VM host into the engine and it
> >>> attempts to install vdsm (even though I've already installed vdsm) the
> >>> install fails because the vdsm install script is checking to see if the
> >>> host has virt capabilities; since I'm not running nested KVM, this
> >>> fails.  Is there a way to work around this can enable a VM to be a host
> >>> in oVirt?  I had heard in the past there was a way to create fake VMs
> >>> when attempting to do ovirt-engine stress testing, wondering if that
> >>> might be of help here.
> >>
> >> I think you need to add "fake_kvm_support = true" to "/etc/vdsm/vdsm.conf".
> >
> > Excellent.
> >
> > Now, any way to prevent ovirt-engine from attempting to install vdsm
> > when you add a new host?  I've already got vdsm running in the VMs I'm
> > pointing ovirt-engine at...
> >
> >
> 
> Hi Rayn,
> - login to your ovirt-engine machine
> - edit 
> /usr/share/ovirt-engine/engine.ear/components.war/vds/vds_bootstrap.py
> - comment out the following:
>    836     if not oDeploy.virtExplorer(random_num):
>    837         logging.error('virtExplorer test failed')
>    838         return False
> - reinstall host - add fake_kvm_support = True to your vdsm.conf under 
> /etc/vdsm/vdsm.conf
> - restart vdsmd service 

This may not be suffisient, since you'd probably wish to block host
reboot to avoid loosing the VM's as well. This should be done in vds_bootstrap_complete.py

-- 

/d

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