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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.fixture import uuidsentinel as uuids
from oslo_utils import timeutils
from nova import context as nova_context
from nova.network import model as network_model
from nova.notifications import base as notification_base
from nova.notifications.objects import instance as instance_notification
from nova import objects
from nova import test
from nova.tests.unit import fake_instance
class TestInstanceNotification(test.NoDBTestCase):
def setUp(self):
super(TestInstanceNotification, self).setUp()
self.test_keys = ['memory_mb', 'vcpus', 'root_gb', 'ephemeral_gb',
'swap']
self.flavor_values = {k: 123 for k in self.test_keys}
instance_values = {k: 456 for k in self.test_keys}
flavor = objects.Flavor(flavorid='test-flavor', name='test-flavor',
disabled=False, projects=[], is_public=True,
extra_specs={}, **self.flavor_values)
info_cache = objects.InstanceInfoCache(
network_info=network_model.NetworkInfo())
self.instance = objects.Instance(
flavor=flavor,
info_cache=info_cache,
metadata={},
uuid=uuids.instance1,
locked=False,
auto_disk_config=False,
system_metadata={},
**instance_values)
self.payload = {
'bandwidth': {},
'audit_period_ending': timeutils.utcnow(),
'audit_period_beginning': timeutils.utcnow(),
}
@mock.patch('nova.notifications.objects.instance.'
'InstanceUpdateNotification._emit')
def test_send_version_instance_update_uses_flavor(self, mock_emit):
# instance.update notification needs some tags value to avoid lazy-load
self.instance.tags = objects.TagList()
# Make sure that the notification payload chooses the values in
# instance.flavor.$value instead of instance.$value
mock_context = mock.MagicMock()
mock_context.project_id = 'fake_project_id'
mock_context.user_id = 'fake_user_id'
mock_context.request_id = 'fake_req_id'
notification_base._send_versioned_instance_update(
mock_context,
self.instance,
self.payload,
'host',
'compute')
payload = mock_emit.call_args_list[0][1]['payload']['nova_object.data']
flavor_payload = payload['flavor']['nova_object.data']
data = {k: flavor_payload[k] for k in self.test_keys}
self.assertEqual(self.flavor_values, data)
@mock.patch('nova.rpc.NOTIFIER')
@mock.patch('nova.notifications.objects.instance.'
'InstanceUpdatePayload.__init__', return_value=None)
@mock.patch('nova.notifications.objects.instance.'
'InstanceUpdateNotification.__init__', return_value=None)
def test_send_versioned_instance_notification_is_not_called_disabled(
self, mock_notification, mock_payload, mock_notifier):
mock_notifier.is_enabled.return_value = False
notification_base._send_versioned_instance_update(
mock.MagicMock(),
self.instance,
self.payload,
'host',
'compute')
self.assertFalse(mock_payload.called)
self.assertFalse(mock_notification.called)
@mock.patch('nova.notifications.objects.instance.'
'InstanceUpdatePayload.__init__', return_value=None)
@mock.patch('nova.notifications.objects.instance.'
'InstanceUpdateNotification.__init__', return_value=None)
def test_send_versioned_instance_notification_is_not_called_unversioned(
self, mock_notification, mock_payload):
self.flags(notification_format='unversioned', group='notifications')
notification_base._send_versioned_instance_update(
mock.MagicMock(),
self.instance,
self.payload,
'host',
'compute')
self.assertFalse(mock_payload.called)
self.assertFalse(mock_notification.called)
def test_instance_payload_request_id_periodic_task(self):
"""Tests that creating an InstancePayload from the type of request
context used during a periodic task will not populate the
payload request_id field since it is not an end user request.
"""
ctxt = nova_context.get_admin_context()
instance = fake_instance.fake_instance_obj(ctxt)
# Set some other fields otherwise populate_schema tries to hit the DB.
instance.metadata = {}
instance.system_metadata = {}
instance.info_cache = objects.InstanceInfoCache(
network_info=network_model.NetworkInfo([]))
payload = instance_notification.InstancePayload(ctxt, instance)
self.assertIsNone(payload.request_id)
class TestBlockDevicePayload(test.NoDBTestCase):
@mock.patch('nova.objects.instance.Instance.get_bdms')
def test_payload_contains_volume_bdms_if_requested(self, mock_get_bdms):
self.flags(bdms_in_notifications='True', group='notifications')
context = mock.Mock()
instance = objects.Instance(uuid=uuids.instance_uuid)
image_bdm = objects.BlockDeviceMapping(
**{'context': context, 'source_type': 'image',
'destination_type': 'local',
'image_id': uuids.image_id,
'volume_id': None,
'device_name': '/dev/vda',
'instance_uuid': instance.uuid})
volume_bdm = objects.BlockDeviceMapping(
**{'context': context, 'source_type': 'volume',
'destination_type': 'volume',
'volume_id': uuids.volume_id,
'device_name': '/dev/vdb',
'instance_uuid': instance.uuid,
'boot_index': 0,
'delete_on_termination': True,
'tag': 'my-tag'})
mock_get_bdms.return_value = [image_bdm, volume_bdm]
bdms = instance_notification.BlockDevicePayload.from_instance(
instance)
self.assertEqual(1, len(bdms))
bdm = bdms[0]
self.assertIsInstance(bdm, instance_notification.BlockDevicePayload)
self.assertEqual('/dev/vdb', bdm.device_name)
self.assertEqual(0, bdm.boot_index)
self.assertTrue(bdm.delete_on_termination)
self.assertEqual('my-tag', bdm.tag)
self.assertEqual(uuids.volume_id, bdm.volume_id)
@mock.patch('nova.objects.instance.Instance.get_bdms',
return_value=mock.NonCallableMock())
def test_bdms_are_skipped_by_default(self, mock_get_bdms):
instance = objects.Instance(uuid=uuids.instance_uuid)
bmds = instance_notification.BlockDevicePayload.from_instance(
instance)
self.assertIsNone(bmds)
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