adding neutron as i think neutron shoudl also be normaliasing the mac
adress that users provide and alwasy storign it in lower case. a mac is
technically a number not a string we just use hex encoding for human
readablity so the caseing does not matter but it would be nice to at
least consider moving this normalisation to the neutron api/db to avoid
this problem.
** Also affects: neutron
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1945646
Title:
Nova fails to live migrate instance with upper-case port MAC
Status in neutron:
New
Status in OpenStack Compute (nova):
In Progress
Bug description:
Description
===========
When neutron port has MAC address defined in upper case and libvirt stores
MAC in XML in lower case, migration is failed with KeyError:
```
Sep 30 10:31:38 cc-compute08-dx1 nova-compute[3054313]: 2021-09-30
10:31:38.028 3054313 ERROR nova.virt.libvirt.driver
[req-911a4b70-5448-48a1-afa4-1bbd0b38737b - - - - -] [instance: 75f7
9d85-6505-486c-bc34-e78fd6350a77] Live Migration failure: '00:50:56:af:e1:73'
Sep 30 10:31:38 cc-compute08-dx1 nova-compute[3054313]: Traceback (most
recent call last):
Sep 30 10:31:38 cc-compute08-dx1 nova-compute[3054313]: File
"/openstack/venvs/nova-22.3.1/lib/python3.8/site-packages/eventlet/hubs/hub.py",
line 461, in fire_timers
Sep 30 10:31:38 cc-compute08-dx1 nova-compute[3054313]: timer()
Sep 30 10:31:38 cc-compute08-dx1 nova-compute[3054313]: File
"/openstack/venvs/nova-22.3.1/lib/python3.8/site-packages/eventlet/hubs/timer.py",
line 59, in __call__
Sep 30 10:31:38 cc-compute08-dx1 nova-compute[3054313]: cb(*args, **kw)
Sep 30 10:31:38 cc-compute08-dx1 nova-compute[3054313]: File
"/openstack/venvs/nova-22.3.1/lib/python3.8/site-packages/eventlet/event.py",
line 175, in _do_send
Sep 30 10:31:38 cc-compute08-dx1 nova-compute[3054313]:
waiter.switch(result)
Sep 30 10:31:38 cc-compute08-dx1 nova-compute[3054313]: File
"/openstack/venvs/nova-22.3.1/lib/python3.8/site-packages/eventlet/greenthread.py",
line 221, in main
Sep 30 10:31:38 cc-compute08-dx1 nova-compute[3054313]: result =
function(*args, **kwargs)
Sep 30 10:31:38 cc-compute08-dx1 nova-compute[3054313]: File
"/openstack/venvs/nova-22.3.1/lib/python3.8/site-packages/nova/utils.py", line
661, in context_wrapper
Sep 30 10:31:38 cc-compute08-dx1 nova-compute[3054313]: return
func(*args, **kwargs)
Sep 30 10:31:38 cc-compute08-dx1 nova-compute[3054313]: File
"/openstack/venvs/nova-22.3.1/lib/python3.8/site-packages/nova/virt/libvirt/driver.py",
line 9196, in _live_migration_operation
Sep 30 10:31:38 cc-compute08-dx1 nova-compute[3054313]: LOG.error("Live
Migration failure: %s", e, instance=instance)
Sep 30 10:31:38 cc-compute08-dx1 nova-compute[3054313]: File
"/openstack/venvs/nova-22.3.1/lib/python3.8/site-packages/oslo_utils/excutils.py",
line 220, in __exit__
Sep 30 10:31:38 cc-compute08-dx1 nova-compute[3054313]:
self.force_reraise()
Sep 30 10:31:38 cc-compute08-dx1 nova-compute[3054313]: File
"/openstack/venvs/nova-22.3.1/lib/python3.8/site-packages/oslo_utils/excutils.py",
line 196, in force_reraise
Sep 30 10:31:38 cc-compute08-dx1 nova-compute[3054313]:
six.reraise(self.type_, self.value, self.tb)
Sep 30 10:31:38 cc-compute08-dx1 nova-compute[3054313]: File
"/openstack/venvs/nova-22.3.1/lib/python3.8/site-packages/six.py", line 703, in
reraise
Sep 30 10:31:38 cc-compute08-dx1 nova-compute[3054313]: raise value
Sep 30 10:31:38 cc-compute08-dx1 nova-compute[3054313]: File
"/openstack/venvs/nova-22.3.1/lib/python3.8/site-packages/nova/virt/libvirt/driver.py",
line 9152, in _live_migration_operation
Sep 30 10:31:38 cc-compute08-dx1 nova-compute[3054313]: new_xml_str =
libvirt_migrate.get_updated_guest_xml(
Sep 30 10:31:38 cc-compute08-dx1 nova-compute[3054313]: File
"/openstack/venvs/nova-22.3.1/lib/python3.8/site-packages/nova/virt/libvirt/migration.py",
line 65, in get_updated_guest_xml
Sep 30 10:31:38 cc-compute08-dx1 nova-compute[3054313]: xml_doc =
_update_vif_xml(xml_doc, migrate_data, get_vif_config)
Sep 30 10:31:38 cc-compute08-dx1 nova-compute[3054313]: File
"/openstack/venvs/nova-22.3.1/lib/python3.8/site-packages/nova/virt/libvirt/migration.py",
line 355, in _update_vif_xml
Sep 30 10:31:38 cc-compute08-dx1 nova-compute[3054313]: migrate_vif =
migrate_vif_by_mac[mac_addr]
Sep 30 10:31:38 cc-compute08-dx1 nova-compute[3054313]: KeyError:
'00:50:56:af:e1:73'
```
Environment
===========
Ubuntu 20.04
Libvirt 6.0.0-0ubuntu8.14
Nova 22.2.3.dev2 (sha 4ce01d6c49f81b6b2438549b01a89ea1b5956320)
Neutron with OpenVSwitch
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