[Bug 1888395] Re: live migration of a vm using the single port binding work flow is broken in train as a result of the introduction of sriov live migration
Billy Olsen
1888395 at bugs.launchpad.net
Mon Mar 8 22:53:59 UTC 2021
Corey - they are, and I've been working on them here and there to get
them into shape. The Train version might slightly differ in the
functional tests that are being added, but the actual code change is the
same.
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https://bugs.launchpad.net/bugs/1888395
Title:
live migration of a vm using the single port binding work flow is
broken in train as a result of the introduction of sriov live
migration
Status in networking-opencontrail:
New
Status in OpenStack Compute (nova):
Fix Released
Status in OpenStack Compute (nova) train series:
In Progress
Status in OpenStack Compute (nova) ussuri series:
Fix Committed
Status in nova package in Ubuntu:
New
Status in nova source package in Focal:
Triaged
Status in nova source package in Groovy:
Fix Released
Bug description:
it was working in queens but fails in train. nova compute at the
target aborts with the exception:
Traceback (most recent call last):
File "/usr/lib/python2.7/site-packages/oslo_messaging/rpc/server.py", line 165, in _process_incoming
res = self.dispatcher.dispatch(message)
File "/usr/lib/python2.7/site-packages/oslo_messaging/rpc/dispatcher.py", line 274, in dispatch
return self._do_dispatch(endpoint, method, ctxt, args)
File "/usr/lib/python2.7/site-packages/oslo_messaging/rpc/dispatcher.py", line 194, in _do_dispatch
result = func(ctxt, **new_args)
File "/usr/lib/python2.7/site-packages/nova/exception_wrapper.py", line 79, in wrapped
function_name, call_dict, binary, tb)
File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 220, in __exit__
self.force_reraise()
File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 196, in force_reraise
six.reraise(self.type_, self.value, self.tb)
File "/usr/lib/python2.7/site-packages/nova/exception_wrapper.py", line 69, in wrapped
return f(self, context, *args, **kw)
File "/usr/lib/python2.7/site-packages/nova/compute/utils.py", line 1372, in decorated_function
return function(self, context, *args, **kwargs)
File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 219, in decorated_function
kwargs['instance'], e, sys.exc_info())
File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 220, in __exit__ self.force_reraise()
File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 196, in force_reraise
six.reraise(self.type_, self.value, self.tb) File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 207, in decorated_function
return function(self, context, *args, **kwargs)
File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 7007, in pre_live_migration
bdm.save()
File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 220, in __exit__
self.force_reraise()
File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 196, in force_reraise
six.reraise(self.type_, self.value, self.tb)
File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 6972, in pre_live_migration
migrate_data)
File "/usr/lib/python2.7/site-packages/nova/virt/libvirt/driver.py", line 9190, in pre_live_migration
instance, network_info, migrate_data)
File "/usr/lib/python2.7/site-packages/nova/virt/libvirt/driver.py", line 9071, in _pre_live_migration_plug_vifs
vif_plug_nw_info.append(migrate_vif.get_dest_vif())
File "/usr/lib/python2.7/site-packages/nova/objects/migrate_data.py", line 90, in get_dest_vif
vif['type'] = self.vif_type
File "/usr/lib/python2.7/site-packages/oslo_versionedobjects/base.py", line 67, in getter
self.obj_load_attr(name)
File "/usr/lib/python2.7/site-packages/oslo_versionedobjects/base.py", line 603, in obj_load_attr
_("Cannot load '%s' in the base class") % attrname)
NotImplementedError: Cannot load 'vif_type' in the base class
steps to reproduce:
- train centos 7 based deployment: 1 controller, 2 computes, libvirt + qemu-kvm, ceph shared storage, neutron with contrail vrouter virtual network;
- create and start a vm;
- live migrate it between computes.
expected result: vm migrates successfully.
rpm -qa | grep nova:
python2-novaclient-15.1.1-1.el7.noarch
openstack-nova-common-20.3.0-1.el7.noarch
python2-nova-20.3.0-1.el7.noarch
openstack-nova-compute-20.3.0-1.el7.noarch
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