def test_check_can_migrate_specific_resources(self):
"""Test _check_can_migrate_specific_resources allows live migration
with vpmem.
"""
@mock.patch.object(live_migrate, 'supports_vpmem_live_migration')
def _test(resources, supp_lm_vpmem_retval, mock_support_lm_vpmem):
self.instance.resources = resources
mock_support_lm_vpmem.return_value = supp_lm_vpmem_retval
self.task._check_can_migrate_specific_resources()
vpmem_0 = objects.LibvirtVPMEMDevice(
label='4GB', name='ns_0', devpath='/dev/dax0.0',
size=4292870144, align=2097152)
resource_0 = objects.Resource(
provider_uuid=uuids.rp,
resource_class="CUSTOM_PMEM_NAMESPACE_4GB",
identifier='ns_0', metadata=vpmem_0)
resources = objects.ResourceList(
objects=[resource_0])
_test(None, False)
_test(None, True)
_test(resources, True)
self.assertRaises(exception.MigrationPreCheckError,
_test, resources, False)
def test_check_can_migrate_specific_resources(self):
vpmem_0 = objects.LibvirtVPMEMDevice(label='4GB',
name='ns_0',
devpath='/dev/dax0.0',
size=4292870144,
align=2097152)
resource_0 = objects.Resource(
provider_uuid=uuids.rp,
resource_class="CUSTOM_PMEM_NAMESPACE_4GB",
identifier='ns_0',
metadata=vpmem_0)
self.instance.resources = objects.ResourceList(objects=[resource_0])
self.assertRaises(exception.MigrationPreCheckError,
self.task._check_can_migrate_specific_resources)
fake_instance_uuid = uuids.fake
fake_migration_context_obj = objects.MigrationContext()
fake_migration_context_obj.instance_uuid = fake_instance_uuid
fake_migration_context_obj.migration_id = 42
fake_migration_context_obj.new_numa_topology = (
test_instance_numa.fake_obj_numa_topology.obj_clone())
fake_migration_context_obj.old_numa_topology = None
fake_migration_context_obj.new_pci_devices = objects.PciDeviceList()
fake_migration_context_obj.old_pci_devices = None
fake_migration_context_obj.new_pci_requests = (
objects.InstancePCIRequests(requests=[
objects.InstancePCIRequest(count=123, spec=[])]))
fake_migration_context_obj.old_pci_requests = None
fake_migration_context_obj.new_resources = objects.ResourceList()
fake_migration_context_obj.old_resources = None
fake_db_context = {
'created_at': None,
'updated_at': None,
'deleted_at': None,
'deleted': 0,
'instance_uuid': fake_instance_uuid,
'migration_context': jsonutils.dumps(
fake_migration_context_obj.obj_to_primitive()),
}
def get_fake_migration_context_obj(ctxt):
obj = fake_migration_context_obj.obj_clone()
