# Copyright (c) 2014 OpenStack Foundation # Copyright (c) 2011 OpenStack Foundation # All Rights Reserved. # # Licensed under the Apache License, Version 2.0 (the "License"); you may # not use this file except in compliance with the License. You may obtain # a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the # License for the specific language governing permissions and limitations # under the License. """ Tests For IronicHostManager """ import mock from oslo.serialization import jsonutils from nova import db from nova import exception from nova.scheduler import filters from nova.scheduler import host_manager from nova.scheduler import ironic_host_manager from nova import test from nova.tests.scheduler import ironic_fakes class FakeFilterClass1(filters.BaseHostFilter): def host_passes(self, host_state, filter_properties): pass class FakeFilterClass2(filters.BaseHostFilter): def host_passes(self, host_state, filter_properties): pass class IronicHostManagerTestCase(test.NoDBTestCase): """Test case for IronicHostManager class.""" def setUp(self): super(IronicHostManagerTestCase, self).setUp() self.host_manager = ironic_host_manager.IronicHostManager() def test_manager_public_api_signatures(self): self.assertPublicAPISignatures(host_manager.HostManager(), self.host_manager) def test_state_public_api_signatures(self): self.assertPublicAPISignatures( host_manager.HostState("dummy", "dummy"), ironic_host_manager.IronicNodeState("dummy", "dummy") ) def test_get_all_host_states(self): # Ensure .service is set and we have the values we expect to. context = 'fake_context' self.mox.StubOutWithMock(db, 'compute_node_get_all') db.compute_node_get_all(context).AndReturn(ironic_fakes.COMPUTE_NODES) self.mox.ReplayAll() self.host_manager.get_all_host_states(context) host_states_map = self.host_manager.host_state_map self.assertEqual(len(host_states_map), 4) for i in range(4): compute_node = ironic_fakes.COMPUTE_NODES[i] host = compute_node['service']['host'] node = compute_node['hypervisor_hostname'] state_key = (host, node) self.assertEqual(compute_node['service'], host_states_map[state_key].service) self.assertEqual(jsonutils.loads(compute_node['stats']), host_states_map[state_key].stats) self.assertEqual(compute_node['free_ram_mb'], host_states_map[state_key].free_ram_mb) self.assertEqual(compute_node['free_disk_gb'] * 1024, host_states_map[state_key].free_disk_mb) class IronicHostManagerChangedNodesTestCase(test.NoDBTestCase): """Test case for IronicHostManager class.""" def setUp(self): super(IronicHostManagerChangedNodesTestCase, self).setUp() self.host_manager = ironic_host_manager.IronicHostManager() ironic_driver = "nova.virt.ironic.driver.IronicDriver" supported_instances = '[["i386", "baremetal", "baremetal"]]' self.compute_node = dict(id=1, local_gb=10, memory_mb=1024, vcpus=1, vcpus_used=0, local_gb_used=0, memory_mb_used=0, updated_at=None, cpu_info='baremetal cpu', stats=jsonutils.dumps(dict( ironic_driver=ironic_driver, cpu_arch='i386')), supported_instances=supported_instances, free_disk_gb=10, free_ram_mb=1024, hypervisor_type='ironic', hypervisor_version = 1, hypervisor_hostname = 'fake_host') @mock.patch.object(ironic_host_manager.IronicNodeState, '__init__') def test_create_ironic_node_state(self, init_mock): init_mock.return_value = None compute = {'cpu_info': 'baremetal cpu'} host_state = self.host_manager.host_state_cls('fake-host', 'fake-node', compute=compute) self.assertIs(ironic_host_manager.IronicNodeState, type(host_state)) @mock.patch.object(host_manager.HostState, '__init__') def test_create_non_ironic_host_state(self, init_mock): init_mock.return_value = None compute = {'cpu_info': 'other cpu'} host_state = self.host_manager.host_state_cls('fake-host', 'fake-node', compute=compute) self.assertIs(host_manager.HostState, type(host_state)) def test_get_all_host_states_after_delete_one(self): context = 'fake_context' self.mox.StubOutWithMock(db, 'compute_node_get_all') # all nodes active for first call db.compute_node_get_all(context).AndReturn(ironic_fakes.COMPUTE_NODES) # remove node4 for second call running_nodes = [n for n in ironic_fakes.COMPUTE_NODES if n.get('hypervisor_hostname') != 'node4uuid'] db.compute_node_get_all(context).AndReturn(running_nodes) self.mox.ReplayAll() self.host_manager.get_all_host_states(context) self.host_manager.get_all_host_states(context) host_states_map = self.host_manager.host_state_map self.assertEqual(3, len(host_states_map)) def test_get_all_host_states_after_delete_all(self): context = 'fake_context' self.mox.StubOutWithMock(db, 'compute_node_get_all') # all nodes active for first call db.compute_node_get_all(context).AndReturn(ironic_fakes.COMPUTE_NODES) # remove all nodes for second call db.compute_node_get_all(context).AndReturn([]) self.mox.ReplayAll() self.host_manager.get_all_host_states(context) self.host_manager.get_all_host_states(context) host_states_map = self.host_manager.host_state_map self.assertEqual(0, len(host_states_map)) def test_update_from_compute_node(self): host = ironic_host_manager.IronicNodeState("fakehost", "fakenode") host.update_from_compute_node(self.compute_node) self.assertEqual(1024, host.free_ram_mb) self.assertEqual(1024, host.total_usable_ram_mb) self.assertEqual(10240, host.free_disk_mb) self.assertEqual(1, host.vcpus_total) self.assertEqual(0, host.vcpus_used) self.assertEqual(jsonutils.loads(self.compute_node['stats']), host.stats) self.assertEqual('ironic', host.hypervisor_type) self.assertEqual(1, host.hypervisor_version) self.assertEqual('fake_host', host.hypervisor_hostname) def test_consume_identical_instance_from_compute(self): host = ironic_host_manager.IronicNodeState("fakehost", "fakenode") host.update_from_compute_node(self.compute_node) instance = dict(root_gb=10, ephemeral_gb=0, memory_mb=1024, vcpus=1) host.consume_from_instance(instance) self.assertEqual(1, host.vcpus_used) self.assertEqual(0, host.free_ram_mb) self.assertEqual(0, host.free_disk_mb) def test_consume_larger_instance_from_compute(self): host = ironic_host_manager.IronicNodeState("fakehost", "fakenode") host.update_from_compute_node(self.compute_node) instance = dict(root_gb=20, ephemeral_gb=0, memory_mb=2048, vcpus=2) host.consume_from_instance(instance) self.assertEqual(1, host.vcpus_used) self.assertEqual(0, host.free_ram_mb) self.assertEqual(0, host.free_disk_mb) def test_consume_smaller_instance_from_compute(self): host = ironic_host_manager.IronicNodeState("fakehost", "fakenode") host.update_from_compute_node(self.compute_node) instance = dict(root_gb=5, ephemeral_gb=0, memory_mb=512, vcpus=1) host.consume_from_instance(instance) self.assertEqual(1, host.vcpus_used) self.assertEqual(0, host.free_ram_mb) self.assertEqual(0, host.free_disk_mb) class IronicHostManagerTestFilters(test.NoDBTestCase): """Test filters work for IronicHostManager.""" def setUp(self): super(IronicHostManagerTestFilters, self).setUp() self.host_manager = ironic_host_manager.IronicHostManager() self.fake_hosts = [ironic_host_manager.IronicNodeState( 'fake_host%s' % x, 'fake-node') for x in range(1, 5)] self.fake_hosts += [ironic_host_manager.IronicNodeState( 'fake_multihost', 'fake-node%s' % x) for x in range(1, 5)] def test_choose_host_filters_not_found(self): self.flags(scheduler_default_filters='FakeFilterClass3') self.host_manager.filter_classes = [FakeFilterClass1, FakeFilterClass2] self.assertRaises(exception.SchedulerHostFilterNotFound, self.host_manager._choose_host_filters, None) def test_choose_host_filters(self): self.flags(scheduler_default_filters=['FakeFilterClass2']) self.host_manager.filter_classes = [FakeFilterClass1, FakeFilterClass2] # Test we returns 1 correct function filter_classes = self.host_manager._choose_host_filters(None) self.assertEqual(1, len(filter_classes)) self.assertEqual('FakeFilterClass2', filter_classes[0].__name__) def _mock_get_filtered_hosts(self, info, specified_filters=None): self.mox.StubOutWithMock(self.host_manager, '_choose_host_filters') info['got_objs'] = [] info['got_fprops'] = [] def fake_filter_one(_self, obj, filter_props): info['got_objs'].append(obj) info['got_fprops'].append(filter_props) return True self.stubs.Set(FakeFilterClass1, '_filter_one', fake_filter_one) self.host_manager._choose_host_filters(specified_filters).AndReturn( [FakeFilterClass1]) def _verify_result(self, info, result, filters=True): for x in info['got_fprops']: self.assertEqual(x, info['expected_fprops']) if filters: self.assertEqual(set(info['expected_objs']), set(info['got_objs'])) self.assertEqual(set(info['expected_objs']), set(result)) def test_get_filtered_hosts(self): fake_properties = {'moo': 1, 'cow': 2} info = {'expected_objs': self.fake_hosts, 'expected_fprops': fake_properties} self._mock_get_filtered_hosts(info) self.mox.ReplayAll() result = self.host_manager.get_filtered_hosts(self.fake_hosts, fake_properties) self._verify_result(info, result) def test_get_filtered_hosts_with_specified_filters(self): fake_properties = {'moo': 1, 'cow': 2} specified_filters = ['FakeFilterClass1', 'FakeFilterClass2'] info = {'expected_objs': self.fake_hosts, 'expected_fprops': fake_properties} self._mock_get_filtered_hosts(info, specified_filters) self.mox.ReplayAll() result = self.host_manager.get_filtered_hosts(self.fake_hosts, fake_properties, filter_class_names=specified_filters) self._verify_result(info, result) def test_get_filtered_hosts_with_ignore(self): fake_properties = {'ignore_hosts': ['fake_host1', 'fake_host3', 'fake_host5', 'fake_multihost']} # [1] and [3] are host2 and host4 info = {'expected_objs': [self.fake_hosts[1], self.fake_hosts[3]], 'expected_fprops': fake_properties} self._mock_get_filtered_hosts(info) self.mox.ReplayAll() result = self.host_manager.get_filtered_hosts(self.fake_hosts, fake_properties) self._verify_result(info, result) def test_get_filtered_hosts_with_force_hosts(self): fake_properties = {'force_hosts': ['fake_host1', 'fake_host3', 'fake_host5']} # [0] and [2] are host1 and host3 info = {'expected_objs': [self.fake_hosts[0], self.fake_hosts[2]], 'expected_fprops': fake_properties} self._mock_get_filtered_hosts(info) self.mox.ReplayAll() result = self.host_manager.get_filtered_hosts(self.fake_hosts, fake_properties) self._verify_result(info, result, False) def test_get_filtered_hosts_with_no_matching_force_hosts(self): fake_properties = {'force_hosts': ['fake_host5', 'fake_host6']} info = {'expected_objs': [], 'expected_fprops': fake_properties} self._mock_get_filtered_hosts(info) self.mox.ReplayAll() result = self.host_manager.get_filtered_hosts(self.fake_hosts, fake_properties) self._verify_result(info, result, False) def test_get_filtered_hosts_with_ignore_and_force_hosts(self): # Ensure ignore_hosts processed before force_hosts in host filters. fake_properties = {'force_hosts': ['fake_host3', 'fake_host1'], 'ignore_hosts': ['fake_host1']} # only fake_host3 should be left. info = {'expected_objs': [self.fake_hosts[2]], 'expected_fprops': fake_properties} self._mock_get_filtered_hosts(info) self.mox.ReplayAll() result = self.host_manager.get_filtered_hosts(self.fake_hosts, fake_properties) self._verify_result(info, result, False) def test_get_filtered_hosts_with_force_host_and_many_nodes(self): # Ensure all nodes returned for a host with many nodes fake_properties = {'force_hosts': ['fake_multihost']} info = {'expected_objs': [self.fake_hosts[4], self.fake_hosts[5], self.fake_hosts[6], self.fake_hosts[7]], 'expected_fprops': fake_properties} self._mock_get_filtered_hosts(info) self.mox.ReplayAll() result = self.host_manager.get_filtered_hosts(self.fake_hosts, fake_properties) self._verify_result(info, result, False) def test_get_filtered_hosts_with_force_nodes(self): fake_properties = {'force_nodes': ['fake-node2', 'fake-node4', 'fake-node9']} # [5] is fake-node2, [7] is fake-node4 info = {'expected_objs': [self.fake_hosts[5], self.fake_hosts[7]], 'expected_fprops': fake_properties} self._mock_get_filtered_hosts(info) self.mox.ReplayAll() result = self.host_manager.get_filtered_hosts(self.fake_hosts, fake_properties) self._verify_result(info, result, False) def test_get_filtered_hosts_with_force_hosts_and_nodes(self): # Ensure only overlapping results if both force host and node fake_properties = {'force_hosts': ['fake_host1', 'fake_multihost'], 'force_nodes': ['fake-node2', 'fake-node9']} # [5] is fake-node2 info = {'expected_objs': [self.fake_hosts[5]], 'expected_fprops': fake_properties} self._mock_get_filtered_hosts(info) self.mox.ReplayAll() result = self.host_manager.get_filtered_hosts(self.fake_hosts, fake_properties) self._verify_result(info, result, False) def test_get_filtered_hosts_with_force_hosts_and_wrong_nodes(self): # Ensure non-overlapping force_node and force_host yield no result fake_properties = {'force_hosts': ['fake_multihost'], 'force_nodes': ['fake-node']} info = {'expected_objs': [], 'expected_fprops': fake_properties} self._mock_get_filtered_hosts(info) self.mox.ReplayAll() result = self.host_manager.get_filtered_hosts(self.fake_hosts, fake_properties) self._verify_result(info, result, False) def test_get_filtered_hosts_with_ignore_hosts_and_force_nodes(self): # Ensure ignore_hosts can coexist with force_nodes fake_properties = {'force_nodes': ['fake-node4', 'fake-node2'], 'ignore_hosts': ['fake_host1', 'fake_host2']} info = {'expected_objs': [self.fake_hosts[5], self.fake_hosts[7]], 'expected_fprops': fake_properties} self._mock_get_filtered_hosts(info) self.mox.ReplayAll() result = self.host_manager.get_filtered_hosts(self.fake_hosts, fake_properties) self._verify_result(info, result, False) def test_get_filtered_hosts_with_ignore_hosts_and_force_same_nodes(self): # Ensure ignore_hosts is processed before force_nodes fake_properties = {'force_nodes': ['fake_node4', 'fake_node2'], 'ignore_hosts': ['fake_multihost']} info = {'expected_objs': [], 'expected_fprops': fake_properties} self._mock_get_filtered_hosts(info) self.mox.ReplayAll() result = self.host_manager.get_filtered_hosts(self.fake_hosts, fake_properties) self._verify_result(info, result, False)