Hi all,
I need some help regarding a bug [1] I'm working on.
The bug is basically a request to make the mac address of a port updatable.
The use case is a baremetal (Ironic) node that has a bad NIC which must be
replaced, resulting in a new mac address. The bad NIC has an associated
neutron port which of course holds the NIC's IP address. The reason to make
mac_address updatable (as opposed to having the user create a new port and
delete the old one) is that during the recovery process the IP address must be
retained and assigned to the new NIC/port, which is not guaranteed in the above
work-around.
I'm coding the changes to do this in the ml2, openvswitch, and linuxbridge
plugins but I'm not sure how to handle the the other plugins since I don't know
if the associated backends are prepared to handle such updates. My first
thought is to disallow the update in the other plugins, but I would really
appreciate your advice.
Kind regards,
Chuck Carlino
[1] https://bugs.launchpad.net/neutron/+bug/1341268
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