Comment 1 for bug 1379385

From what I understand, you are asking to add a feature to the novaclient library that would first validate cpu compatibility (perhaps through the hypervisors api[0]) before forwarding the migration request on to nova. Please add more detail to this bug if that is not the case.

[0] http://developer.openstack.org/api-ref-compute-v2-ext.html#ext-os-hypervisors