ironic/ironic/tests/unit/api/controllers/v1/test_ramdisk.py

608 lines
28 KiB
Python

# Copyright 2016 Red Hat, Inc.
#
# 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 the API /lookup/ methods.
"""
from http import client as http_client
from unittest import mock
import fixtures
from keystonemiddleware import auth_token
from oslo_config import cfg
from oslo_utils import uuidutils
from ironic.api.controllers import base as api_base
from ironic.api.controllers import v1 as api_v1
from ironic.api.controllers.v1 import ramdisk
from ironic.common import exception
from ironic.common import states
from ironic.conductor import rpcapi
from ironic.drivers.modules import inspect_utils
from ironic.tests.unit.api import base as test_api_base
from ironic.tests.unit.objects import utils as obj_utils
CONF = cfg.CONF
class TestLookup(test_api_base.BaseApiTest):
addresses = ['11:22:33:44:55:66', '66:55:44:33:22:11']
def setUp(self):
super(TestLookup, self).setUp()
self.node = obj_utils.create_test_node(self.context,
uuid=uuidutils.generate_uuid(),
provision_state='deploying')
self.node2 = obj_utils.create_test_node(self.context,
uuid=uuidutils.generate_uuid(),
provision_state='available')
CONF.set_override('agent_backend', 'statsd', 'metrics')
self.mock_get_conductor_for = self.useFixture(
fixtures.MockPatchObject(rpcapi.ConductorAPI, 'get_conductor_for',
autospec=True)).mock
self.mock_get_conductor_for.return_value = 'fake.conductor'
self.mock_get_node_with_token = self.useFixture(
fixtures.MockPatchObject(rpcapi.ConductorAPI,
'get_node_with_token',
autospec=True)).mock
def _set_secret_mock(self, node, token_value):
driver_internal = node.driver_internal_info
driver_internal['agent_secret_token'] = token_value
node.driver_internal_info = driver_internal
self.mock_get_node_with_token.return_value = node
def _check_config(self, data):
expected_config = {
'metrics': {
'backend': 'statsd',
'prepend_host': CONF.metrics.agent_prepend_host,
'prepend_uuid': CONF.metrics.agent_prepend_uuid,
'prepend_host_reverse':
CONF.metrics.agent_prepend_host_reverse,
'global_prefix': CONF.metrics.agent_global_prefix
},
'metrics_statsd': {
'statsd_host': CONF.metrics_statsd.agent_statsd_host,
'statsd_port': CONF.metrics_statsd.agent_statsd_port
},
'heartbeat_timeout': CONF.api.ramdisk_heartbeat_timeout,
'agent_token': mock.ANY,
'agent_token_required': True,
'agent_md5_checksum_enable': CONF.agent.allow_md5_checksum,
}
self.assertEqual(expected_config, data['config'])
self.assertIsNotNone(data['config']['agent_token'])
self.assertNotEqual('******', data['config']['agent_token'])
def test_nothing_provided(self):
response = self.get_json(
'/lookup',
headers={api_base.Version.string: str(api_v1.max_version())},
expect_errors=True)
self.assertEqual(http_client.BAD_REQUEST, response.status_int)
def test_not_found(self):
response = self.get_json(
'/lookup?addresses=%s' % ','.join(self.addresses),
headers={api_base.Version.string: str(api_v1.max_version())},
expect_errors=True)
self.assertEqual(http_client.NOT_FOUND, response.status_int)
def test_old_api_version(self):
obj_utils.create_test_port(self.context,
node_id=self.node.id,
address=self.addresses[1])
response = self.get_json(
'/lookup?addresses=%s' % ','.join(self.addresses),
headers={api_base.Version.string: str(api_v1.min_version())},
expect_errors=True)
self.assertEqual(http_client.NOT_FOUND, response.status_int)
def test_found_by_addresses(self):
self._set_secret_mock(self.node, 'some-value')
obj_utils.create_test_port(self.context,
node_id=self.node.id,
address=self.addresses[1])
data = self.get_json(
'/lookup?addresses=%s' % ','.join(self.addresses),
headers={api_base.Version.string: str(api_v1.max_version())})
self.assertEqual(self.node.uuid, data['node']['uuid'])
self.assertEqual(set(ramdisk._LOOKUP_RETURN_FIELDS) | {'links'},
set(data['node']))
self._check_config(data)
@mock.patch.object(ramdisk.LOG, 'warning', autospec=True)
def test_ignore_malformed_address(self, mock_log):
self._set_secret_mock(self.node, '123456')
obj_utils.create_test_port(self.context,
node_id=self.node.id,
address=self.addresses[1])
addresses = ('not-a-valid-address,80:00:02:48:fe:80:00:00:00:00:00:00'
':f4:52:14:03:00:54:06:c2,' + ','.join(self.addresses))
data = self.get_json(
'/lookup?addresses=%s' % addresses,
headers={api_base.Version.string: str(api_v1.max_version())})
self.assertEqual(self.node.uuid, data['node']['uuid'])
self.assertEqual(set(ramdisk._LOOKUP_RETURN_FIELDS) | {'links'},
set(data['node']))
self._check_config(data)
self.assertTrue(mock_log.called)
def test_found_by_uuid(self):
self._set_secret_mock(self.node, 'this_thing_on?')
data = self.get_json(
'/lookup?addresses=%s&node_uuid=%s' %
(','.join(self.addresses), self.node.uuid),
headers={api_base.Version.string: str(api_v1.max_version())})
self.assertEqual(self.node.uuid, data['node']['uuid'])
self.assertEqual(set(ramdisk._LOOKUP_RETURN_FIELDS) | {'links'},
set(data['node']))
self._check_config(data)
def test_found_by_only_uuid(self):
self._set_secret_mock(self.node, 'xyzabc')
data = self.get_json(
'/lookup?node_uuid=%s' % self.node.uuid,
headers={api_base.Version.string: str(api_v1.max_version())})
self.assertEqual(self.node.uuid, data['node']['uuid'])
self.assertEqual(set(ramdisk._LOOKUP_RETURN_FIELDS) | {'links'},
set(data['node']))
self._check_config(data)
def test_restrict_lookup(self):
response = self.get_json(
'/lookup?addresses=%s&node_uuid=%s' %
(','.join(self.addresses), self.node2.uuid),
headers={api_base.Version.string: str(api_v1.max_version())},
expect_errors=True)
self.assertEqual(http_client.NOT_FOUND, response.status_int)
def test_no_restrict_lookup(self):
CONF.set_override('restrict_lookup', False, 'api')
self._set_secret_mock(self.node2, '234567890')
data = self.get_json(
'/lookup?addresses=%s&node_uuid=%s' %
(','.join(self.addresses), self.node2.uuid),
headers={api_base.Version.string: str(api_v1.max_version())})
self.assertEqual(self.node2.uuid, data['node']['uuid'])
self.assertEqual(set(ramdisk._LOOKUP_RETURN_FIELDS) | {'links'},
set(data['node']))
self._check_config(data)
def test_fast_deploy_lookup(self):
self._set_secret_mock(self.node, 'abcxyz')
CONF.set_override('fast_track', True, 'deploy')
for provision_state in [states.ENROLL, states.MANAGEABLE,
states.AVAILABLE]:
self.node.provision_state = provision_state
data = self.get_json(
'/lookup?addresses=%s&node_uuid=%s' %
(','.join(self.addresses), self.node.uuid),
headers={api_base.Version.string: str(api_v1.max_version())})
self.assertEqual(self.node.uuid, data['node']['uuid'])
@mock.patch.object(rpcapi.ConductorAPI, 'get_topic_for',
lambda *n: 'test-topic')
class TestHeartbeat(test_api_base.BaseApiTest):
def test_old_api_version(self):
response = self.post_json(
'/heartbeat/%s' % uuidutils.generate_uuid(),
{'callback_url': 'url'},
headers={api_base.Version.string: str(api_v1.min_version())},
expect_errors=True)
self.assertEqual(http_client.NOT_FOUND, response.status_int)
def test_node_not_found(self):
response = self.post_json(
'/heartbeat/%s' % uuidutils.generate_uuid(),
{'callback_url': 'url'},
headers={api_base.Version.string: str(api_v1.max_version())},
expect_errors=True)
self.assertEqual(http_client.NOT_FOUND, response.status_int)
@mock.patch.object(rpcapi.ConductorAPI, 'heartbeat', autospec=True)
def test_ok(self, mock_heartbeat):
node = obj_utils.create_test_node(self.context)
response = self.post_json(
'/heartbeat/%s' % node.uuid,
{'callback_url': 'url',
'agent_token': 'x'},
headers={api_base.Version.string: str(api_v1.max_version())})
self.assertEqual(http_client.ACCEPTED, response.status_int)
self.assertEqual(b'', response.body)
mock_heartbeat.assert_called_once_with(mock.ANY, mock.ANY,
node.uuid, 'url', None, 'x',
None, None, None,
topic='test-topic')
@mock.patch.object(rpcapi.ConductorAPI, 'heartbeat', autospec=True)
def test_ok_with_json(self, mock_heartbeat):
node = obj_utils.create_test_node(self.context)
response = self.post_json(
'/heartbeat/%s.json' % node.uuid,
{'callback_url': 'url',
'agent_token': 'maybe some magic'},
headers={api_base.Version.string: str(api_v1.max_version())})
self.assertEqual(http_client.ACCEPTED, response.status_int)
self.assertEqual(b'', response.body)
mock_heartbeat.assert_called_once_with(mock.ANY, mock.ANY,
node.uuid, 'url', None,
'maybe some magic',
None, None, None,
topic='test-topic')
@mock.patch.object(rpcapi.ConductorAPI, 'heartbeat', autospec=True)
def test_ok_by_name(self, mock_heartbeat):
node = obj_utils.create_test_node(self.context, name='test.1')
response = self.post_json(
'/heartbeat/%s' % node.name,
{'callback_url': 'url',
'agent_token': 'token'},
headers={api_base.Version.string: str(api_v1.max_version())})
self.assertEqual(http_client.ACCEPTED, response.status_int)
self.assertEqual(b'', response.body)
mock_heartbeat.assert_called_once_with(mock.ANY, mock.ANY,
node.uuid, 'url', None,
'token', None, None, None,
topic='test-topic')
@mock.patch.object(rpcapi.ConductorAPI, 'heartbeat', autospec=True)
def test_ok_agent_version(self, mock_heartbeat):
node = obj_utils.create_test_node(self.context)
response = self.post_json(
'/heartbeat/%s' % node.uuid,
{'callback_url': 'url',
'agent_version': '1.4.1',
'agent_token': 'meow'},
headers={api_base.Version.string: str(api_v1.max_version())})
self.assertEqual(http_client.ACCEPTED, response.status_int)
self.assertEqual(b'', response.body)
mock_heartbeat.assert_called_once_with(mock.ANY, mock.ANY,
node.uuid, 'url', '1.4.1',
'meow',
None, None, None,
topic='test-topic')
@mock.patch.object(rpcapi.ConductorAPI, 'heartbeat', autospec=True)
def test_old_API_agent_version_error(self, mock_heartbeat):
node = obj_utils.create_test_node(self.context)
response = self.post_json(
'/heartbeat/%s' % node.uuid,
{'callback_url': 'url',
'agent_version': '1.4.1'},
headers={api_base.Version.string: '1.35'},
expect_errors=True)
self.assertEqual(http_client.BAD_REQUEST, response.status_int)
@mock.patch.object(rpcapi.ConductorAPI, 'heartbeat', autospec=True)
def test_heartbeat_rejects_different_callback_url(self, mock_heartbeat):
node = obj_utils.create_test_node(
self.context,
driver_internal_info={'agent_url': 'url'})
response = self.post_json(
'/heartbeat/%s' % node.uuid,
{'callback_url': 'url2'},
headers={api_base.Version.string: str(api_v1.max_version())},
expect_errors=True)
self.assertEqual(http_client.BAD_REQUEST, response.status_int)
@mock.patch.object(rpcapi.ConductorAPI, 'heartbeat', autospec=True)
def test_ok_agent_token(self, mock_heartbeat):
node = obj_utils.create_test_node(self.context)
response = self.post_json(
'/heartbeat/%s' % node.uuid,
{'callback_url': 'url',
'agent_token': 'abcdef1'},
headers={api_base.Version.string: str(api_v1.max_version())})
self.assertEqual(http_client.ACCEPTED, response.status_int)
self.assertEqual(b'', response.body)
mock_heartbeat.assert_called_once_with(mock.ANY, mock.ANY,
node.uuid, 'url', None,
'abcdef1', None, None, None,
topic='test-topic')
@mock.patch.object(rpcapi.ConductorAPI, 'heartbeat', autospec=True)
def test_ok_agent_verify_ca(self, mock_heartbeat):
node = obj_utils.create_test_node(self.context)
response = self.post_json(
'/heartbeat/%s' % node.uuid,
{'callback_url': 'url',
'agent_token': 'meow',
'agent_verify_ca': 'abcdef1'},
headers={api_base.Version.string: str(api_v1.max_version())})
self.assertEqual(http_client.ACCEPTED, response.status_int)
self.assertEqual(b'', response.body)
mock_heartbeat.assert_called_once_with(mock.ANY, mock.ANY,
node.uuid, 'url', None,
'meow', 'abcdef1', None, None,
topic='test-topic')
@mock.patch.object(rpcapi.ConductorAPI, 'heartbeat', autospec=True)
def test_ok_agent_status_and_status(self, mock_heartbeat):
node = obj_utils.create_test_node(self.context)
response = self.post_json(
'/heartbeat/%s' % node.uuid,
{'callback_url': 'url',
'agent_token': 'meow',
'agent_status': 'start',
'agent_status_message': 'woof',
'agent_verify_ca': 'abcdef1'},
headers={api_base.Version.string: str(api_v1.max_version())})
self.assertEqual(http_client.ACCEPTED, response.status_int)
self.assertEqual(b'', response.body)
mock_heartbeat.assert_called_once_with(mock.ANY, mock.ANY,
node.uuid, 'url', None,
'meow', 'abcdef1', 'start',
'woof', topic='test-topic')
@mock.patch.object(rpcapi.ConductorAPI, 'heartbeat', autospec=True)
def test_bad_invalid_agent_status(self, mock_heartbeat):
node = obj_utils.create_test_node(self.context)
response = self.post_json(
'/heartbeat/%s' % node.uuid,
{'callback_url': 'url',
'agent_token': 'meow',
'agent_status': 'invalid_state',
'agent_status_message': 'woof',
'agent_verify_ca': 'abcdef1'},
headers={api_base.Version.string: str(api_v1.max_version())},
expect_errors=True)
self.assertEqual(http_client.BAD_REQUEST, response.status_int)
@mock.patch.object(rpcapi.ConductorAPI, 'heartbeat', autospec=True)
def test_old_API_agent_verify_ca_error(self, mock_heartbeat):
node = obj_utils.create_test_node(self.context)
response = self.post_json(
'/heartbeat/%s' % node.uuid,
{'callback_url': 'url',
'agent_token': 'meow',
'agent_verify_ca': 'abcd'},
headers={api_base.Version.string: '1.67'},
expect_errors=True)
self.assertEqual(http_client.BAD_REQUEST, response.status_int)
@mock.patch.object(rpcapi.ConductorAPI, 'heartbeat', autospec=True)
def test_old_api_agent_status_error(self, mock_heartbeat):
node = obj_utils.create_test_node(self.context)
response = self.post_json(
'/heartbeat/%s' % node.uuid,
{'callback_url': 'url',
'agent_token': 'meow',
'agent_verify_ca': 'abcd',
'agent_status': 'wow',
'agent_status_message': 'much status'},
headers={api_base.Version.string: '1.71'},
expect_errors=True)
self.assertEqual(http_client.BAD_REQUEST, response.status_int)
@mock.patch.object(auth_token.AuthProtocol, 'process_request',
lambda *_: None)
class TestLookupScopedRBAC(TestLookup):
"""Test class to execute the Lookup tests with RBAC enforcement."""
def setUp(self):
super(TestLookupScopedRBAC, self).setUp()
cfg.CONF.set_override('enforce_scope', True, group='oslo_policy')
cfg.CONF.set_override('enforce_new_defaults', True,
group='oslo_policy')
cfg.CONF.set_override('auth_strategy', 'keystone')
@mock.patch.object(auth_token.AuthProtocol, 'process_request',
lambda *_: None)
class TestHeartbeatScopedRBAC(TestHeartbeat):
"""Test class to execute the Heartbeat tests with RBAC enforcement."""
def setUp(self):
super(TestHeartbeatScopedRBAC, self).setUp()
cfg.CONF.set_override('enforce_scope', True, group='oslo_policy')
cfg.CONF.set_override('enforce_new_defaults', True,
group='oslo_policy')
cfg.CONF.set_override('auth_strategy', 'keystone')
@mock.patch.object(rpcapi.ConductorAPI, 'get_topic_for',
lambda *n: 'test-topic')
@mock.patch.object(rpcapi.ConductorAPI, 'continue_inspection', autospec=True)
@mock.patch.object(inspect_utils, 'lookup_node', autospec=True)
class TestContinueInspection(test_api_base.BaseApiTest):
def setUp(self):
super().setUp()
self.addresses = ['11:22:33:44:55:66', '66:55:44:33:22:11']
self.bmcs = ['192.0.2.42', '2001:db8::42']
self.inventory = {
'bmc_address': self.bmcs[0],
'bmc_v6address': self.bmcs[1],
'interfaces': [
{'mac_address': mac, 'name': f'em{i}'}
for i, mac in enumerate(self.addresses)
],
}
self.data = {
'inventory': self.inventory,
'test': 42,
}
self.node = obj_utils.create_test_node(self.context,
uuid=uuidutils.generate_uuid(),
provision_state='inspect wait')
def test_inspector_compatibility(self, mock_lookup, mock_continue):
mock_lookup.return_value = self.node
response = self.post_json('/continue_inspection', self.data)
self.assertEqual(http_client.ACCEPTED, response.status_int)
self.assertEqual({'uuid': self.node.uuid}, response.json)
mock_lookup.assert_called_once_with(
mock.ANY, self.addresses, self.bmcs, node_uuid=None)
mock_continue.assert_called_once_with(
mock.ANY, mock.ANY, self.node.uuid, inventory=self.inventory,
plugin_data={'test': 42}, topic='test-topic')
@mock.patch.object(rpcapi.ConductorAPI, 'get_node_with_token',
autospec=True)
def test_new_api(self, mock_get_node, mock_lookup, mock_continue):
mock_lookup.return_value = self.node
mock_get_node.return_value = self.node
response = self.post_json(
'/continue_inspection', self.data,
headers={api_base.Version.string: str(api_v1.max_version())})
self.assertEqual(http_client.ACCEPTED, response.status_int)
self.assertEqual(self.node.uuid, response.json['node']['uuid'])
self.assertEqual(set(ramdisk._LOOKUP_RETURN_FIELDS) | {'links'},
set(response.json['node']))
mock_lookup.assert_called_once_with(
mock.ANY, self.addresses, self.bmcs, node_uuid=None)
mock_continue.assert_called_once_with(
mock.ANY, mock.ANY, self.node.uuid, inventory=self.inventory,
plugin_data={'test': 42}, topic='test-topic')
mock_get_node.assert_called_once_with(
mock.ANY, mock.ANY, self.node.uuid, topic='test-topic')
def test_old_api_version(self, mock_lookup, mock_continue):
response = self.post_json(
'/continue_inspection', self.data,
headers={api_base.Version.string: '1.83'},
expect_errors=True)
self.assertEqual(http_client.NOT_FOUND, response.status_int)
self.assertIn("API version", response.text)
mock_lookup.assert_not_called()
mock_continue.assert_not_called()
def test_invalid_schema(self, mock_lookup, mock_continue):
del self.data['inventory']['interfaces']
response = self.post_json(
'/continue_inspection', self.data,
headers={api_base.Version.string: str(api_v1.max_version())},
expect_errors=True)
self.assertEqual(http_client.BAD_REQUEST, response.status_int)
# JSON schema errors can change between versions, so only make sure
# it mentions the required field.
self.assertIn("interfaces", response.text)
mock_lookup.assert_not_called()
mock_continue.assert_not_called()
def test_no_usable_lookup_data(self, mock_lookup, mock_continue):
self.data['inventory']['interfaces'] = [{'mac_address': 'meow'}]
del self.data['inventory']['bmc_address']
del self.data['inventory']['bmc_v6address']
response = self.post_json(
'/continue_inspection', self.data,
headers={api_base.Version.string: str(api_v1.max_version())},
expect_errors=True)
self.assertEqual(http_client.BAD_REQUEST, response.status_int)
self.assertIn("No lookup information", response.text)
mock_lookup.assert_not_called()
mock_continue.assert_not_called()
@mock.patch.object(auth_token.AuthProtocol, 'process_request',
lambda *_: None)
class TestContinueInspectionScopedRBAC(TestContinueInspection):
def setUp(self):
super().setUp()
cfg.CONF.set_override('enforce_scope', True, group='oslo_policy')
cfg.CONF.set_override('enforce_new_defaults', True,
group='oslo_policy')
cfg.CONF.set_override('auth_strategy', 'keystone')
@mock.patch.object(rpcapi.ConductorAPI, 'get_topic_for', autospec=True,
return_value='test-topic')
@mock.patch.object(rpcapi.ConductorAPI, 'create_node', autospec=True)
@mock.patch.object(rpcapi.ConductorAPI, 'continue_inspection', autospec=True)
@mock.patch.object(inspect_utils, 'lookup_node', autospec=True,
side_effect=inspect_utils.AutoEnrollPossible)
class TestContinueInspectionAutoDiscovery(test_api_base.BaseApiTest):
def setUp(self):
super().setUp()
CONF.set_override('enabled', True, group='auto_discovery')
CONF.set_override('driver', 'fake-hardware', group='auto_discovery')
self.addresses = ['11:22:33:44:55:66', '66:55:44:33:22:11']
self.bmcs = ['192.0.2.42']
self.inventory = {
'bmc_address': self.bmcs[0],
'interfaces': [
{'mac_address': mac, 'name': f'em{i}'}
for i, mac in enumerate(self.addresses)
],
}
self.data = {
'inventory': self.inventory,
'test': 42,
}
self.node = obj_utils.get_test_node(self.context,
uuid=uuidutils.generate_uuid(),
provision_state='enroll')
def test_enroll(self, mock_lookup, mock_continue, mock_create,
mock_get_topic):
mock_create.return_value = self.node
response = self.post_json('/continue_inspection', self.data)
self.assertEqual(http_client.ACCEPTED, response.status_int)
self.assertEqual({'uuid': self.node.uuid}, response.json)
mock_lookup.assert_called_once_with(
mock.ANY, self.addresses, self.bmcs, node_uuid=None)
mock_continue.assert_called_once_with(
mock.ANY, mock.ANY, self.node.uuid, inventory=self.inventory,
plugin_data={'test': 42, 'auto_discovered': True},
topic='test-topic')
new_node = mock_create.call_args.args[2] # create(self, context, node)
self.assertEqual('fake-hardware', new_node.driver)
self.assertIsNone(new_node.resource_class)
self.assertEqual('', new_node.conductor_group)
self.assertEqual('enroll', new_node.provision_state)
def test_wrong_driver(self, mock_lookup, mock_continue, mock_create,
mock_get_topic):
mock_get_topic.side_effect = exception.NoValidHost()
response = self.post_json(
'/continue_inspection', self.data,
expect_errors=True)
self.assertEqual(http_client.INTERNAL_SERVER_ERROR,
response.status_int)
mock_lookup.assert_called_once_with(
mock.ANY, self.addresses, self.bmcs, node_uuid=None)
mock_create.assert_not_called()
mock_continue.assert_not_called()
def test_override_defaults(self, mock_lookup, mock_continue, mock_create,
mock_get_topic):
CONF.set_override('default_resource_class', 'xlarge-1')
# TODO(dtantsur): default_conductor_group
mock_create.return_value = self.node
response = self.post_json('/continue_inspection', self.data)
self.assertEqual(http_client.ACCEPTED, response.status_int)
mock_lookup.assert_called_once_with(
mock.ANY, self.addresses, self.bmcs, node_uuid=None)
mock_continue.assert_called_once_with(
mock.ANY, mock.ANY, self.node.uuid, inventory=self.inventory,
plugin_data={'test': 42, 'auto_discovered': True},
topic='test-topic')
new_node = mock_create.call_args.args[2] # create(self, context, node)
self.assertEqual('fake-hardware', new_node.driver)
self.assertEqual('xlarge-1', new_node.resource_class)
self.assertEqual('', new_node.conductor_group)