<div dir="ltr"><div>Dear OpenStack Networking community of projects,</div><div><br></div><div>As part of the implementation of multiple port bindings in the Neutron reference implementation (<a href="https://specs.openstack.org/openstack/neutron-specs/specs/backlog/pike/portbinding_information_for_nova.html">https://specs.openstack.org/openstack/neutron-specs/specs/backlog/pike/portbinding_information_for_nova.html</a>), the port_binding relationship in the Port DB model is changing to be an iterable:</div><div><br></div><div><a href="https://review.openstack.org/#/c/414251/66/neutron/plugins/ml2/models.py@64">https://review.openstack.org/#/c/414251/66/neutron/plugins/ml2/models.py@64</a></div><div><br></div><div>and its name is being changed to port_bindings:</div><div><br></div><div><a href="https://review.openstack.org/#/c/571041/4/neutron/plugins/ml2/models.py@61">https://review.openstack.org/#/c/571041/4/neutron/plugins/ml2/models.py@61</a></div><div><br></div><div>Corresponding changes are being made to the Port Oslo Versioned Object:</div><div><br></div><div><a href="https://review.openstack.org/#/c/414251/66/neutron/objects/ports.py@285">https://review.openstack.org/#/c/414251/66/neutron/objects/ports.py@285</a><br></div><div><a href="https://review.openstack.org/#/c/571041/4/neutron/objects/ports.py@285">https://review.openstack.org/#/c/571041/4/neutron/objects/ports.py@285</a></div><div><br></div><div>I did my best to find usages of these attributes in the Neutron Stadium projects and only found them in networking-odl: <a href="https://review.openstack.org/#/c/572212/2/networking_odl/ml2/mech_driver.py">https://review.openstack.org/#/c/572212/2/networking_odl/ml2/mech_driver.py</a>. These are the other projects that I checked:</div><div><ul><li>networking-midonet</li><li>networking-ovn</li><li>networking-bagpipe</li><li>networking-bgpvpn</li><li>neutron-dynamic-routing</li><li>neutron-fwaas</li><li>neutron-vpnaas</li><li>networking-sfc</li></ul><div>I STRONGLY ENCOURAGE these projects teams to double check and see if you might be affected. I also encourage projects in the broader OpenStack Networking community of projects to check for possible impacts. We will be holding these two patches until June 14th before merging them.</div><div><br></div><div>If you need help dealing with the change, please ping me in the Neutron channel</div><div><br></div><div>Best regards</div><div><br></div><div>Miguel<br></div></div></div>