def test_group_anti_affinity_filter_allows_instance_to_same_host(self):
fake_uuid = uuids.fake
mock_instance = objects.Instance(uuid=fake_uuid)
host_state = fakes.FakeHostState('host1', 'node1',
{}, instances=[mock_instance])
spec_obj = objects.RequestSpec(instance_group=objects.InstanceGroup(
policy='anti-affinity', hosts=['host1', 'host2'], members=[]),
instance_uuid=mock_instance.uuid)
self.assertTrue(affinity_filter.ServerGroupAntiAffinityFilter().
host_passes(host_state, spec_obj))
def _test_group_anti_affinity_filter_with_rules(self, rules, members):
filt_cls = affinity_filter.ServerGroupAntiAffinityFilter()
inst1 = objects.Instance(uuid=uuids.inst1)
inst2 = objects.Instance(uuid=uuids.inst2)
spec_obj = objects.RequestSpec(
instance_group=objects.InstanceGroup(policy='anti-affinity',
hosts=['host1'],
members=members,
rules=rules),
instance_uuid=uuids.fake)
# 2 instances on same host
host_wit_2_inst = fakes.FakeHostState(
'host1', 'node1', {}, instances=[inst1, inst2])
return filt_cls.host_passes(host_wit_2_inst, spec_obj)
def test_group_anti_affinity_filter_fails(self):
self._test_group_anti_affinity_filter_fails(
affinity_filter.ServerGroupAntiAffinityFilter(),
'anti-affinity')
