openstack/nova
Code Issues Proposed changes

Merge "Free new pci_devices on revert-resize"

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Jenkins 2016-07-30 01:13:47 +00:00 committed by Gerrit Code Review
commit d8caef55cd
2 changed files with 68 additions and 5 deletions
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10
nova/compute/resource_tracker.py
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@ -358,11 +358,11 @@ class ResourceTracker(object):
usage = self._get_usage_dict(
itype, numa_topology=numa_topology)
if self.pci_tracker:
# free old allocated pci devices
old_pci_devices = self._get_migration_context_resource(
'pci_devices', instance, prefix='old_')
if old_pci_devices:
for pci_device in old_pci_devices:
# free old/new allocated pci devices
pci_devices = self._get_migration_context_resource(
'pci_devices', instance, prefix=prefix)
if pci_devices:
for pci_device in pci_devices:
self.pci_tracker.free_device(pci_device, instance)
self._update_usage(usage, sign=-1)

63
nova/tests/unit/compute/test_compute.py
View File

@ -5288,6 +5288,69 @@ class ComputeTestCase(BaseTestCase):
self.assertEqual(0, cell.cpu_usage)
self.assertEqual(set(), cell.pinned_cpus)
def _test_resize_with_pci(self, method, expected_pci_addr):
instance = self._create_fake_instance_obj()
instance.old_flavor = instance.flavor
instance.new_flavor = instance.flavor
old_pci_devices = objects.PciDeviceList(
objects=[objects.PciDevice(vendor_id='1377',
product_id='0047',
address='0000:0a:00.1')])
new_pci_devices = objects.PciDeviceList(
objects=[objects.PciDevice(vendor_id='1377',
product_id='0047',
address='0000:0b:00.1')])
if expected_pci_addr == old_pci_devices[0].address:
expected_pci_device = old_pci_devices[0]
else:
expected_pci_device = new_pci_devices[0]
migration = objects.Migration(context=self.context.elevated())
migration.instance_uuid = instance.uuid
migration.status = 'finished'
migration.migration_type = 'migration'
migration.source_node = NODENAME
migration.create()
migration_context = objects.MigrationContext()
migration_context.migration_id = migration.id
migration_context.old_pci_devices = old_pci_devices
migration_context.new_pci_devices = new_pci_devices
instance.pci_devices = old_pci_devices
instance.migration_context = migration_context
instance.vm_state = vm_states.RESIZED
instance.system_metadata = {}
instance.save()
self.rt.pci_tracker = mock.Mock()
self.rt.tracked_migrations[instance.uuid] = (migration,
instance.flavor)
with test.nested(
mock.patch.object(self.compute.network_api,
'setup_networks_on_host'),
mock.patch.object(self.compute.network_api,
'migrate_instance_start'),
mock.patch.object(self.rt.pci_tracker,
'free_device')
) as (mock_setup, mock_migrate, mock_pci_free_device):
method(self.context, instance=instance,
migration=migration, reservations=[])
mock_pci_free_device.assert_called_once_with(
expected_pci_device, mock.ANY)
def test_confirm_resize_with_pci(self):
self._test_resize_with_pci(
self.compute.confirm_resize, '0000:0a:00.1')
def test_revert_resize_with_pci(self):
self._test_resize_with_pci(
self.compute.revert_resize, '0000:0b:00.1')
@mock.patch.object(nova.quota.QUOTAS, 'commit')
def _test_finish_revert_resize(self, mock_commit, power_on,
remove_old_vm_state=False,