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_update_resources(self):
cn = self.compute_node1
pt = self._pt_with_cns()
cn_resources = {
"CUSTOM_RESOURCE_0": {
objects.Resource(provider_uuid=cn.uuid,
resource_class="CUSTOM_RESOURCE_0",
identifier="bar")
},
"CUSTOM_RESOURCE_1": {
objects.Resource(provider_uuid=cn.uuid,
resource_class="CUSTOM_RESOURCE_1",
identifier="foo_1"),
objects.Resource(provider_uuid=cn.uuid,
resource_class="CUSTOM_RESOURCE_1",
identifier="foo_2")
}
}
# resources changed
self.assertTrue(pt.update_resources(cn.uuid, cn_resources))
# resources not changed
self.assertFalse(pt.update_resources(cn.uuid, cn_resources))
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)