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# 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.
from unittest import mock
from oslo_utils import uuidutils
from ironic.common import context as ironic_context
from ironic.conductor import base_manager
from ironic.conductor import periodics
from ironic.conductor import task_manager
from ironic.drivers.modules import fake
from ironic.tests.unit.db import base as db_base
from ironic.tests.unit.objects import utils as obj_utils
_FILTERS = {'maintenance': False}
class PeriodicTestService(base_manager.BaseConductorManager):
def __init__(self, test):
self.test = test
self.nodes = []
@periodics.node_periodic(purpose="herding cats", spacing=42)
def simple(self, task, context):
self.test.assertIsInstance(context, ironic_context.RequestContext)
self.test.assertTrue(task.shared)
# This may raise
task.upgrade_lock()
self.nodes.append(task.node.uuid)
@periodics.node_periodic(purpose="herding cats", spacing=42,
shared_task=False, filters=_FILTERS)
def exclusive(self, task, context):
self.test.assertIsInstance(context, ironic_context.RequestContext)
self.test.assertFalse(task.shared)
self.nodes.append(task.node.uuid)
@periodics.node_periodic(purpose="never running", spacing=42,
predicate=lambda n: n.cat != 'meow',
predicate_extra_fields=['cat'])
def never_run(self, task, context):
self.test.fail(f"Was not supposed to run, ran with {task.node}")
@periodics.node_periodic(purpose="herding cats", spacing=42, limit=3)
def limit(self, task, context):
self.test.assertIsInstance(context, ironic_context.RequestContext)
self.test.assertTrue(task.shared)
self.nodes.append(task.node.uuid)
if task.node.uuid == 'stop':
raise periodics.Stop()
class PeriodicTestInterface(fake.FakePower):
def __init__(self, test):
self.test = test
self.nodes = []
@periodics.node_periodic(purpose="herding cats", spacing=42)
def simple(self, task, manager, context):
self.test.assertIsInstance(manager, PeriodicTestService)
self.test.assertIsInstance(context, ironic_context.RequestContext)
self.nodes.append(task.node.uuid)
@mock.patch.object(PeriodicTestService, 'iter_nodes', autospec=True)
class NodePeriodicTestCase(db_base.DbTestCase):
def setUp(self):
super().setUp()
self.service = PeriodicTestService(self)
self.ctx = ironic_context.get_admin_context()
self.uuid = uuidutils.generate_uuid()
self.node = obj_utils.create_test_node(self.context, uuid=self.uuid)
@mock.patch.object(periodics.LOG, 'info', autospec=True)
def test_simple(self, mock_log, mock_iter_nodes):
node2 = obj_utils.create_test_node(self.context,
uuid=uuidutils.generate_uuid(),
reservation='host0')
mock_iter_nodes.return_value = iter([
(uuidutils.generate_uuid(), 'driver1', ''),
(self.uuid, 'driver2', 'group'),
(node2.uuid, 'driver3', 'group'),
])
self.service.simple(self.ctx)
mock_iter_nodes.assert_called_once_with(self.service,
filters=None, fields=())
self.assertEqual([self.uuid], self.service.nodes)
# 1 node not found, 1 locked
self.assertEqual(2, mock_log.call_count)
def test_exclusive(self, mock_iter_nodes):
mock_iter_nodes.return_value = iter([
(uuidutils.generate_uuid(), 'driver1', ''),
(self.uuid, 'driver2', 'group'),
])
self.service.exclusive(self.ctx)
mock_iter_nodes.assert_called_once_with(self.service,
filters=_FILTERS,
fields=())
self.assertEqual([self.uuid], self.service.nodes)
@mock.patch.object(task_manager, 'acquire', autospec=True)
def test_never_run(self, mock_acquire, mock_iter_nodes):
mock_iter_nodes.return_value = iter([
(self.uuid, 'driver2', 'group', 'meow'),
])
self.service.never_run(self.ctx)
mock_iter_nodes.assert_called_once_with(self.service,
filters=None,
fields=['cat'])
self.assertEqual([], self.service.nodes)
mock_acquire.assert_not_called()
@mock.patch.object(task_manager, 'acquire', autospec=True)
def test_limit(self, mock_acquire, mock_iter_nodes):
mock_iter_nodes.return_value = iter([
(self.uuid, 'driver1', ''),
] * 10)
mock_acquire.return_value.__enter__.return_value.node.uuid = self.uuid
self.service.limit(self.ctx)
mock_iter_nodes.assert_called_once_with(self.service,
filters=None, fields=())
self.assertEqual([self.uuid] * 3, self.service.nodes)
@mock.patch.object(task_manager, 'acquire', autospec=True)
def test_stop(self, mock_acquire, mock_iter_nodes):
mock_iter_nodes.return_value = iter([
(self.uuid, 'driver1', ''),
] * 10)
mock_acquire.return_value.__enter__.return_value.node.uuid = 'stop'
self.service.limit(self.ctx)
mock_iter_nodes.assert_called_once_with(self.service,
filters=None, fields=())
self.assertEqual(['stop'], self.service.nodes)
@mock.patch.object(task_manager, 'acquire', autospec=True)
def test_interface_check(self, mock_acquire, mock_iter_nodes):
mock_iter_nodes.return_value = iter([
(uuidutils.generate_uuid(), 'driver1', ''),
(self.uuid, 'driver2', 'group'),
])
iface = PeriodicTestInterface(self)
tasks = [
mock.Mock(spec=task_manager.TaskManager,
# This will not match the subclass
driver=mock.Mock(power=fake.FakePower())),
mock.Mock(spec=task_manager.TaskManager,
node=self.node,
driver=mock.Mock(power=iface)),
]
mock_acquire.side_effect = [
mock.MagicMock(**{'__enter__.return_value': task})
for task in tasks
]
iface.simple(self.service, self.context)
mock_iter_nodes.assert_called_once_with(self.service,
filters=None, fields=())
self.assertEqual([self.uuid], iface.nodes)
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