[openstack-dev] [Nova] [all] native ovsdb interface for vif_plug_ovs

hanish gogada hanishgogadahcu at gmail.com
Mon Mar 5 06:09:22 UTC 2018

Hi Nova team,

Currently nova-compute-agent uses vsctl for ovsdb interface and it does not
support nova-to-ovs communication over tcp socket. We are trying to
integrate Cavium Liquidio with openstack, it requires nova-to-ovs
communication over a tcp connection (since ovs is offloaded to NIC). These
two patches add the missing functionality.


Adding native python ovsdb interface would improve the portability and
performance of the nova-to-ovs communication.  A similar mechanism is
already present in Neutron.

I added a video with a demo of these patches in action. Please have a look
at it and review these patches.

hanish gogada
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