OpenStack Compute (Nova)
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# Copyright 2018 NTT Corporation
#
# 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 nova import context
from nova.tests import fixtures
from nova.tests.functional.notification_sample_tests \
import notification_sample_base
class TestVolumeUsageNotificationSample(
notification_sample_base.NotificationSampleTestBase):
def setUp(self):
self.flags(volume_usage_poll_interval=60)
super(TestVolumeUsageNotificationSample, self).setUp()
self.neutron = fixtures.NeutronFixture(self)
self.useFixture(self.neutron)
self.cinder = fixtures.CinderFixture(self)
self.useFixture(self.cinder)
def _setup_server_with_volume_attached(self):
server = self._boot_a_server(
extra_params={'networks': [{'port': self.neutron.port_1['id']}]})
self._attach_volume_to_server(server, self.cinder.SWAP_OLD_VOL)
self.notifier.reset()
return server
def test_volume_usage_with_detaching_volume(self):
server = self._setup_server_with_volume_attached()
self.api.delete_server_volume(server['id'],
self.cinder.SWAP_OLD_VOL)
self._wait_for_notification('instance.volume_detach.end')
# 0. volume_detach-start
# 1. volume.usage
# 2. volume_detach-end
self.assertEqual(3, len(self.notifier.versioned_notifications))
self._verify_notification(
'volume-usage',
replacements={'instance_uuid': server['id']},
actual=self.notifier.versioned_notifications[1])
def test_instance_poll_volume_usage(self):
server = self._setup_server_with_volume_attached()
self.compute.manager._poll_volume_usage(context.get_admin_context())
self.assertEqual(1, len(self.notifier.versioned_notifications))
self._verify_notification(
'volume-usage',
replacements={'instance_uuid': server['id']},
actual=self.notifier.versioned_notifications[0])