tripleo-common/tripleo_common/tests/utils/test_nodes.py

644 lines
29 KiB
Python

# Copyright (c) 2014 Hewlett-Packard Development Company, L.P.
#
# 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.
import collections
import mock
from testtools import matchers
from tripleo_common import exception
from tripleo_common.tests import base
from tripleo_common.utils import nodes
class DriverInfoTest(base.TestCase):
def setUp(self):
super(DriverInfoTest, self).setUp()
self.driver_info = nodes.DriverInfo(
'foo',
mapping={
'pm_1': 'foo_1',
'pm_2': 'foo_2'
},
deprecated_mapping={
'pm_3': 'foo_3'
})
def test_convert_key(self):
self.assertEqual('foo_1', self.driver_info.convert_key('pm_1'))
self.assertEqual('foo_42', self.driver_info.convert_key('foo_42'))
self.assertIsNone(self.driver_info.convert_key('bar_baz'))
@mock.patch.object(nodes.LOG, 'warning', autospec=True)
def test_convert_key_deprecated(self, mock_log):
self.assertEqual('foo_3', self.driver_info.convert_key('pm_3'))
self.assertTrue(mock_log.called)
@mock.patch.object(nodes.LOG, 'warning', autospec=True)
def test_convert_key_pm_unsupported(self, mock_log):
self.assertIsNone(self.driver_info.convert_key('pm_42'))
self.assertTrue(mock_log.called)
def test_convert(self):
result = self.driver_info.convert({'pm_1': 'val1',
'foo_42': 42,
'unknown': 'foo'})
self.assertEqual({'foo_1': 'val1', 'foo_42': 42}, result)
class PrefixedDriverInfoTest(base.TestCase):
def setUp(self):
super(PrefixedDriverInfoTest, self).setUp()
self.driver_info = nodes.PrefixedDriverInfo(
'foo', deprecated_mapping={'pm_d': 'foo_d'})
def test_convert_key(self):
keys = {'pm_addr': 'foo_address',
'pm_user': 'foo_username',
'pm_password': 'foo_password',
'foo_something': 'foo_something',
'pm_d': 'foo_d'}
for key, expected in keys.items():
self.assertEqual(expected, self.driver_info.convert_key(key))
for key in ('unknown', 'pm_port'):
self.assertIsNone(self.driver_info.convert_key(key))
def test_unique_id_from_fields(self):
fields = {'pm_addr': 'localhost',
'pm_user': 'user',
'pm_password': '123456',
'pm_port': 42}
self.assertEqual('localhost',
self.driver_info.unique_id_from_fields(fields))
def test_unique_id_from_node(self):
node = mock.Mock(driver_info={'foo_address': 'localhost',
'foo_port': 42})
self.assertEqual('localhost',
self.driver_info.unique_id_from_node(node))
class PrefixedDriverInfoTestWithPort(base.TestCase):
def setUp(self):
super(PrefixedDriverInfoTestWithPort, self).setUp()
self.driver_info = nodes.PrefixedDriverInfo(
'foo', deprecated_mapping={'pm_d': 'foo_d'},
has_port=True)
def test_convert_key_with_port(self):
keys = {'pm_addr': 'foo_address',
'pm_user': 'foo_username',
'pm_password': 'foo_password',
'foo_something': 'foo_something',
'pm_d': 'foo_d',
'pm_port': 'foo_port'}
for key, expected in keys.items():
self.assertEqual(expected, self.driver_info.convert_key(key))
self.assertIsNone(self.driver_info.convert_key('unknown'))
def test_unique_id_from_fields(self):
fields = {'pm_addr': 'localhost',
'pm_user': 'user',
'pm_password': '123456',
'pm_port': 42}
self.assertEqual('localhost:42',
self.driver_info.unique_id_from_fields(fields))
def test_unique_id_from_node(self):
node = mock.Mock(driver_info={'foo_address': 'localhost',
'foo_port': 42})
self.assertEqual('localhost:42',
self.driver_info.unique_id_from_node(node))
class iBootDriverInfoTest(base.TestCase):
def setUp(self):
super(iBootDriverInfoTest, self).setUp()
self.driver_info = nodes.iBootDriverInfo()
def test_unique_id_from_fields(self):
fields = {'pm_addr': 'localhost',
'pm_user': 'user',
'pm_password': '123456',
'pm_port': 42,
'iboot_relay_id': 'r1'}
self.assertEqual('localhost:42#r1',
self.driver_info.unique_id_from_fields(fields))
def test_unique_id_from_fields_no_relay(self):
fields = {'pm_addr': 'localhost',
'pm_user': 'user',
'pm_password': '123456',
'pm_port': 42}
self.assertEqual('localhost:42',
self.driver_info.unique_id_from_fields(fields))
def test_unique_id_from_node(self):
node = mock.Mock(driver_info={'iboot_address': 'localhost',
'iboot_port': 42,
'iboot_relay_id': 'r1'})
self.assertEqual('localhost:42#r1',
self.driver_info.unique_id_from_node(node))
def test_unique_id_from_node_no_relay(self):
node = mock.Mock(driver_info={'iboot_address': 'localhost',
'iboot_port': 42})
self.assertEqual('localhost:42',
self.driver_info.unique_id_from_node(node))
class FindNodeHandlerTest(base.TestCase):
def test_found(self):
test = [('fake', 'fake'),
('fake_pxe', 'fake'),
('pxe_ssh', 'ssh'),
('pxe_ipmitool', 'ipmi'),
('pxe_ilo', 'ilo'),
('agent_irmc', 'irmc')]
for driver, prefix in test:
handler = nodes._find_node_handler({'pm_type': driver})
self.assertEqual(prefix, handler._prefix)
def test_no_driver(self):
self.assertRaises(exception.InvalidNode,
nodes._find_node_handler, {})
def test_unknown_driver(self):
self.assertRaises(exception.InvalidNode,
nodes._find_node_handler, {'pm_type': 'foobar'})
class NodesTest(base.TestCase):
def _get_node(self):
return {'cpu': '1', 'memory': '2048', 'disk': '30', 'arch': 'amd64',
'mac': ['aaa'], 'pm_addr': 'foo.bar', 'pm_user': 'test',
'pm_password': 'random', 'pm_type': 'pxe_ssh', 'name': 'node1',
'capabilities': 'num_nics:6'}
@mock.patch('tripleo_common.utils.nodes.run_nova_cell_v2_discovery')
def test_register_all_nodes_ironic_no_hw_stats(self, mock_discovery):
node_list = [self._get_node()]
# Remove the hardware stats from the node dictionary
node_list[0].pop("cpu")
node_list[0].pop("memory")
node_list[0].pop("disk")
node_list[0].pop("arch")
# Node properties should be created with empty string values for the
# hardware statistics
node_properties = {"capabilities": "num_nics:6"}
ironic = mock.MagicMock()
new_nodes = nodes.register_all_nodes(node_list, client=ironic)
self.assertEqual([ironic.node.create.return_value], new_nodes)
pxe_node_driver_info = {"ssh_address": "foo.bar",
"ssh_username": "test",
"ssh_key_contents": "random",
"ssh_virt_type": "virsh"}
pxe_node = mock.call(driver="pxe_ssh",
name='node1',
driver_info=pxe_node_driver_info,
properties=node_properties)
port_call = mock.call(node_uuid=ironic.node.create.return_value.uuid,
address='aaa')
ironic.node.create.assert_has_calls([pxe_node, mock.ANY])
ironic.port.create.assert_has_calls([port_call])
mock_discovery.assert_called_once()
@mock.patch('tripleo_common.utils.nodes.run_nova_cell_v2_discovery')
def test_register_all_nodes(self, mock_discovery):
node_list = [self._get_node()]
node_properties = {"cpus": "1",
"memory_mb": "2048",
"local_gb": "30",
"cpu_arch": "amd64",
"capabilities": "num_nics:6"}
ironic = mock.MagicMock()
nodes.register_all_nodes(node_list, client=ironic)
pxe_node_driver_info = {"ssh_address": "foo.bar",
"ssh_username": "test",
"ssh_key_contents": "random",
"ssh_virt_type": "virsh"}
pxe_node = mock.call(driver="pxe_ssh",
name='node1',
driver_info=pxe_node_driver_info,
properties=node_properties)
port_call = mock.call(node_uuid=ironic.node.create.return_value.uuid,
address='aaa')
ironic.node.create.assert_has_calls([pxe_node, mock.ANY])
ironic.port.create.assert_has_calls([port_call])
mock_discovery.assert_called_once()
@mock.patch('tripleo_common.utils.nodes.run_nova_cell_v2_discovery')
def test_register_all_nodes_kernel_ramdisk(self, mock_discovery):
node_list = [self._get_node()]
node_properties = {"cpus": "1",
"memory_mb": "2048",
"local_gb": "30",
"cpu_arch": "amd64",
"capabilities": "num_nics:6"}
ironic = mock.MagicMock()
glance = mock.MagicMock()
image = collections.namedtuple('image', ['id'])
glance.images.find.side_effect = (image('kernel-123'),
image('ramdisk-999'))
nodes.register_all_nodes(node_list, client=ironic,
glance_client=glance, kernel_name='bm-kernel',
ramdisk_name='bm-ramdisk')
pxe_node_driver_info = {"ssh_address": "foo.bar",
"ssh_username": "test",
"ssh_key_contents": "random",
"ssh_virt_type": "virsh",
"deploy_kernel": "kernel-123",
"deploy_ramdisk": "ramdisk-999"}
pxe_node = mock.call(driver="pxe_ssh",
name='node1',
driver_info=pxe_node_driver_info,
properties=node_properties)
port_call = mock.call(node_uuid=ironic.node.create.return_value.uuid,
address='aaa')
ironic.node.create.assert_has_calls([pxe_node, mock.ANY])
ironic.port.create.assert_has_calls([port_call])
mock_discovery.assert_called_once()
@mock.patch('tripleo_common.utils.nodes.run_nova_cell_v2_discovery')
def test_register_all_nodes_uuid(self, mock_discovery):
node_list = [self._get_node()]
node_list[0]['uuid'] = 'abcdef'
node_properties = {"cpus": "1",
"memory_mb": "2048",
"local_gb": "30",
"cpu_arch": "amd64",
"capabilities": "num_nics:6"}
ironic = mock.MagicMock()
nodes.register_all_nodes(node_list, client=ironic)
pxe_node_driver_info = {"ssh_address": "foo.bar",
"ssh_username": "test",
"ssh_key_contents": "random",
"ssh_virt_type": "virsh"}
pxe_node = mock.call(driver="pxe_ssh",
name='node1',
driver_info=pxe_node_driver_info,
properties=node_properties,
uuid="abcdef")
port_call = mock.call(node_uuid=ironic.node.create.return_value.uuid,
address='aaa')
ironic.node.create.assert_has_calls([pxe_node, mock.ANY])
ironic.port.create.assert_has_calls([port_call])
mock_discovery.assert_called_once()
@mock.patch('tripleo_common.utils.nodes.run_nova_cell_v2_discovery')
def test_register_all_nodes_caps_dict(self, mock_discovery):
node_list = [self._get_node()]
node_list[0]['capabilities'] = {
'num_nics': 7
}
node_properties = {"cpus": "1",
"memory_mb": "2048",
"local_gb": "30",
"cpu_arch": "amd64",
"capabilities": "num_nics:7"}
ironic = mock.MagicMock()
nodes.register_all_nodes(node_list, client=ironic)
pxe_node_driver_info = {"ssh_address": "foo.bar",
"ssh_username": "test",
"ssh_key_contents": "random",
"ssh_virt_type": "virsh"}
pxe_node = mock.call(driver="pxe_ssh",
name='node1',
driver_info=pxe_node_driver_info,
properties=node_properties)
port_call = mock.call(node_uuid=ironic.node.create.return_value.uuid,
address='aaa')
ironic.node.create.assert_has_calls([pxe_node, mock.ANY])
ironic.port.create.assert_has_calls([port_call])
mock_discovery.assert_called_once()
def test_register_update(self):
node = self._get_node()
ironic = mock.MagicMock()
node_map = {'mac': {'aaa': 1}}
def side_effect(*args, **kwargs):
update_patch = [
{'path': '/name', 'value': 'node1'},
{'path': '/driver_info/ssh_key_contents', 'value': 'random'},
{'path': '/driver_info/ssh_address', 'value': 'foo.bar'},
{'path': '/properties/memory_mb', 'value': '2048'},
{'path': '/properties/local_gb', 'value': '30'},
{'path': '/properties/cpu_arch', 'value': 'amd64'},
{'path': '/properties/cpus', 'value': '1'},
{'path': '/properties/capabilities', 'value': 'num_nics:6'},
{'path': '/driver_info/ssh_username', 'value': 'test'},
{'path': '/driver_info/ssh_virt_type', 'value': 'virsh'}]
for key in update_patch:
key['op'] = 'add'
self.assertThat(update_patch,
matchers.MatchesSetwise(*(map(matchers.Equals,
args[1]))))
return mock.Mock(uuid='uuid1')
ironic.node.update.side_effect = side_effect
nodes._update_or_register_ironic_node(node, node_map, client=ironic)
ironic.node.update.assert_called_once_with(1, mock.ANY)
def test_register_update_with_images(self):
node = self._get_node()
node['kernel_id'] = 'image-k'
node['ramdisk_id'] = 'image-r'
ironic = mock.MagicMock()
node_map = {'mac': {'aaa': 1}}
def side_effect(*args, **kwargs):
update_patch = [
{'path': '/name', 'value': 'node1'},
{'path': '/driver_info/ssh_key_contents', 'value': 'random'},
{'path': '/driver_info/ssh_address', 'value': 'foo.bar'},
{'path': '/properties/memory_mb', 'value': '2048'},
{'path': '/properties/local_gb', 'value': '30'},
{'path': '/properties/cpu_arch', 'value': 'amd64'},
{'path': '/properties/cpus', 'value': '1'},
{'path': '/properties/capabilities', 'value': 'num_nics:6'},
{'path': '/driver_info/deploy_kernel', 'value': 'image-k'},
{'path': '/driver_info/deploy_ramdisk', 'value': 'image-r'},
{'path': '/driver_info/ssh_username', 'value': 'test'},
{'path': '/driver_info/ssh_virt_type', 'value': 'virsh'}]
for key in update_patch:
key['op'] = 'add'
self.assertThat(update_patch,
matchers.MatchesSetwise(*(map(matchers.Equals,
args[1]))))
return mock.Mock(uuid='uuid1')
ironic.node.update.side_effect = side_effect
nodes._update_or_register_ironic_node(node, node_map, client=ironic)
ironic.node.update.assert_called_once_with(1, mock.ANY)
def _update_by_type(self, pm_type):
ironic = mock.MagicMock()
node_map = {'mac': {}, 'pm_addr': {}}
node = self._get_node()
node['pm_type'] = pm_type
node_map['pm_addr']['foo.bar'] = ironic.node.get.return_value.uuid
nodes._update_or_register_ironic_node(node, node_map, client=ironic)
ironic.node.update.assert_called_once_with(
ironic.node.get.return_value.uuid, mock.ANY)
def test_update_node_ironic_pxe_ipmitool(self):
self._update_by_type('pxe_ipmitool')
def test_update_node_ironic_pxe_drac(self):
self._update_by_type('pxe_drac')
def test_update_node_ironic_pxe_ilo(self):
self._update_by_type('pxe_ilo')
def test_update_node_ironic_pxe_irmc(self):
self._update_by_type('pxe_irmc')
def test_register_node_update(self):
node = self._get_node()
node['mac'][0] = node['mac'][0].upper()
ironic = mock.MagicMock()
node_map = {'mac': {'aaa': 1}}
def side_effect(*args, **kwargs):
update_patch = [
{'path': '/name', 'value': 'node1'},
{'path': '/driver_info/ssh_key_contents', 'value': 'random'},
{'path': '/driver_info/ssh_address', 'value': 'foo.bar'},
{'path': '/properties/memory_mb', 'value': '2048'},
{'path': '/properties/local_gb', 'value': '30'},
{'path': '/properties/cpu_arch', 'value': 'amd64'},
{'path': '/properties/cpus', 'value': '1'},
{'path': '/properties/capabilities', 'value': 'num_nics:6'},
{'path': '/driver_info/ssh_username', 'value': 'test'},
{'path': '/driver_info/ssh_virt_type', 'value': 'virsh'}]
for key in update_patch:
key['op'] = 'add'
self.assertThat(update_patch,
matchers.MatchesSetwise(*(map(matchers.Equals,
args[1]))))
return mock.Mock(uuid='uuid1')
ironic.node.update.side_effect = side_effect
nodes._update_or_register_ironic_node(node, node_map, client=ironic)
ironic.node.update.assert_called_once_with(1, mock.ANY)
def test_register_node_update_with_uuid(self):
node = self._get_node()
node['uuid'] = 'abcdef'
ironic = mock.MagicMock()
node_map = {'uuids': {'abcdef'}}
def side_effect(*args, **kwargs):
update_patch = [
{'path': '/name', 'value': 'node1'},
{'path': '/driver_info/ssh_key_contents', 'value': 'random'},
{'path': '/driver_info/ssh_address', 'value': 'foo.bar'},
{'path': '/properties/memory_mb', 'value': '2048'},
{'path': '/properties/local_gb', 'value': '30'},
{'path': '/properties/cpu_arch', 'value': 'amd64'},
{'path': '/properties/cpus', 'value': '1'},
{'path': '/properties/capabilities', 'value': 'num_nics:6'},
{'path': '/driver_info/ssh_username', 'value': 'test'},
{'path': '/driver_info/ssh_virt_type', 'value': 'virsh'}]
for key in update_patch:
key['op'] = 'add'
self.assertThat(update_patch,
matchers.MatchesSetwise(*(map(matchers.Equals,
args[1]))))
return mock.Mock(uuid='abcdef')
ironic.node.update.side_effect = side_effect
nodes._update_or_register_ironic_node(node, node_map, client=ironic)
ironic.node.update.assert_called_once_with('abcdef', mock.ANY)
def test_register_ironic_node_int_values(self):
node_properties = {"cpus": "1",
"memory_mb": "2048",
"local_gb": "30",
"cpu_arch": "amd64",
"capabilities": "num_nics:6"}
node = self._get_node()
node['cpu'] = 1
node['memory'] = 2048
node['disk'] = 30
client = mock.MagicMock()
nodes.register_ironic_node(node, client=client)
client.node.create.assert_called_once_with(driver=mock.ANY,
name='node1',
properties=node_properties,
driver_info=mock.ANY)
def test_register_ironic_node_fake_pxe(self):
node_properties = {"cpus": "1",
"memory_mb": "2048",
"local_gb": "30",
"cpu_arch": "amd64",
"capabilities": "num_nics:6"}
node = self._get_node()
for v in ('pm_addr', 'pm_user', 'pm_password'):
del node[v]
node['pm_type'] = 'fake_pxe'
client = mock.MagicMock()
nodes.register_ironic_node(node, client=client)
client.node.create.assert_called_once_with(driver='fake_pxe',
name='node1',
properties=node_properties,
driver_info={})
def test_register_ironic_node_pxe_ucs(self):
node_properties = {"cpus": "1",
"memory_mb": "2048",
"local_gb": "30",
"cpu_arch": "amd64",
"capabilities": "num_nics:6"}
node = self._get_node()
node['pm_type'] = 'pxe_ucs'
client = mock.MagicMock()
nodes.register_ironic_node(node, client=client)
client.node.create.assert_called_once_with(
driver='pxe_ucs', name='node1', properties=node_properties,
driver_info={'ucs_password': 'random', 'ucs_address': 'foo.bar',
'ucs_username': 'test'})
def test_register_ironic_node_pxe_ipmitool(self):
node_properties = {"cpus": "1",
"memory_mb": "2048",
"local_gb": "30",
"cpu_arch": "amd64",
"capabilities": "num_nics:6"}
node = self._get_node()
node['pm_type'] = 'pxe_ipmitool'
node['pm_port'] = '6230'
client = mock.MagicMock()
nodes.register_ironic_node(node, client=client)
client.node.create.assert_called_once_with(
driver='pxe_ipmitool', name='node1', properties=node_properties,
driver_info={'ipmi_password': 'random', 'ipmi_address': 'foo.bar',
'ipmi_username': 'test', 'ipmi_port': '6230'})
def test_register_ironic_node_pxe_drac(self):
node_properties = {"cpus": "1",
"memory_mb": "2048",
"local_gb": "30",
"cpu_arch": "amd64",
"capabilities": "num_nics:6"}
node = self._get_node()
node['pm_type'] = 'pxe_drac'
node['pm_port'] = '6230'
client = mock.MagicMock()
nodes.register_ironic_node(node, client=client)
client.node.create.assert_called_once_with(
driver='pxe_drac', name='node1', properties=node_properties,
driver_info={'drac_password': 'random', 'drac_host': 'foo.bar',
'drac_username': 'test', 'drac_port': '6230'})
def test_register_ironic_node_update_int_values(self):
node = self._get_node()
ironic = mock.MagicMock()
node['cpu'] = 1
node['memory'] = 2048
node['disk'] = 30
node_map = {'mac': {'aaa': 1}}
def side_effect(*args, **kwargs):
update_patch = [
{'path': '/name', 'value': 'node1'},
{'path': '/driver_info/ssh_key_contents', 'value': 'random'},
{'path': '/driver_info/ssh_address', 'value': 'foo.bar'},
{'path': '/properties/memory_mb', 'value': '2048'},
{'path': '/properties/local_gb', 'value': '30'},
{'path': '/properties/cpu_arch', 'value': 'amd64'},
{'path': '/properties/cpus', 'value': '1'},
{'path': '/properties/capabilities', 'value': 'num_nics:6'},
{'path': '/driver_info/ssh_username', 'value': 'test'},
{'path': '/driver_info/ssh_virt_type', 'value': 'virsh'}]
for key in update_patch:
key['op'] = 'add'
self.assertThat(update_patch,
matchers.MatchesSetwise(*(map(matchers.Equals,
args[1]))))
return mock.Mock(uuid='uuid1')
ironic.node.update.side_effect = side_effect
nodes._update_or_register_ironic_node(node, node_map, client=ironic)
def test_clean_up_extra_nodes_ironic(self):
node = collections.namedtuple('node', ['uuid'])
client = mock.MagicMock()
client.node.list.return_value = [node('foobar')]
seen = [node('abcd')]
nodes._clean_up_extra_nodes(seen, client, remove=True)
client.node.delete.assert_called_once_with('foobar')
def test__get_node_id_fake_pxe(self):
node = self._get_node()
node['pm_type'] = 'fake_pxe'
handler = nodes._find_driver_handler('fake_pxe')
node_map = {'mac': {'aaa': 'abcdef'}, 'pm_addr': {}}
self.assertEqual('abcdef', nodes._get_node_id(node, handler, node_map))
def test__get_node_id_conflict(self):
node = self._get_node()
handler = nodes._find_driver_handler('pxe_ipmitool')
node_map = {'mac': {'aaa': 'abcdef'},
'pm_addr': {'foo.bar': 'defabc'}}
self.assertRaises(exception.InvalidNode,
nodes._get_node_id,
node, handler, node_map)
def test_get_node_id_valid_duplicate(self):
node = self._get_node()
handler = nodes._find_driver_handler('pxe_ipmitool')
node_map = {'mac': {'aaa': 'id'},
'pm_addr': {'foo.bar': 'id'}}
self.assertEqual('id', nodes._get_node_id(node, handler, node_map))
class TestPopulateNodeMapping(base.TestCase):
def test_populate_node_mapping_ironic(self):
client = mock.MagicMock()
ironic_node = collections.namedtuple('node', ['uuid', 'driver',
'driver_info'])
ironic_port = collections.namedtuple('port', ['address'])
node1 = ironic_node('abcdef', 'pxe_ssh', None)
node2 = ironic_node('fedcba', 'pxe_ipmitool',
{'ipmi_address': '10.0.1.2'})
client.node.list_ports.side_effect = ([ironic_port('aaa')],
[])
client.node.list.return_value = [node1, node2]
expected = {'mac': {'aaa': 'abcdef'},
'pm_addr': {'10.0.1.2': 'fedcba'},
'uuids': {'abcdef', 'fedcba'}}
self.assertEqual(expected, nodes._populate_node_mapping(client))
def test_populate_node_mapping_ironic_fake_pxe(self):
client = mock.MagicMock()
ironic_node = collections.namedtuple('node', ['uuid', 'driver',
'driver_info'])
ironic_port = collections.namedtuple('port', ['address'])
node = ironic_node('abcdef', 'fake_pxe', None)
client.node.list_ports.return_value = [ironic_port('aaa')]
client.node.list.return_value = [node]
expected = {'mac': {'aaa': 'abcdef'}, 'pm_addr': {},
'uuids': {'abcdef'}}
self.assertEqual(expected, nodes._populate_node_mapping(client))