[libvirt-users] Calling 'virsh' from within a hook script - avoid deadlock?

[Daniel P. Berrange]

On Wed, Nov 06, 2013 at 03:59:28PM +0000, TSADOK, Shlomi (Shlomi) wrote:
> Yes.. I saw that, but I have to :)
> 
> The issue was solved by converting the hook to Python and using
> 'subprocess.Popen'.  deadlock is gone, all looks good.

If that works it is pretty much by luck and not by design. We
make *zero* guarantees that you can call libvirt from a hook
function. Don't be surprised if your code breaks in the future

Daniel
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