def test_cinder_capacity(self):
"""test consuming capacity"""
storage_model = self.fake_cdmc.generate_scenario_1()
self.fake_cdmc.cluster_data_model = storage_model
handler = cnotification.CapacityNotificationEndpoint(self.fake_cdmc)
pool_0_name = 'host_0@backend_0#pool_0'
pool_0 = storage_model.get_pool_by_pool_name(pool_0_name)
# before
self.assertEqual(pool_0_name, pool_0.name)
self.assertEqual(420, pool_0.free_capacity_gb)
self.assertEqual(420, pool_0.virtual_free)
self.assertEqual(80, pool_0.allocated_capacity_gb)
self.assertEqual(80, pool_0.provisioned_capacity_gb)
message = self.load_message('scenario_1_capacity.json')
handler.info(
ctxt=self.context,
publisher_id=message['publisher_id'],
event_type=message['event_type'],
payload=message['payload'],
metadata=self.FAKE_METADATA,
)
# after
self.assertEqual(pool_0_name, pool_0.name)
self.assertEqual(460, pool_0.free_capacity_gb)
self.assertEqual(460, pool_0.virtual_free)
self.assertEqual(40, pool_0.allocated_capacity_gb)
self.assertEqual(40, pool_0.provisioned_capacity_gb)
def notification_endpoints(self):
return [
cnotification.CapacityNotificationEndpoint(self.fake_cdmc),
cnotification.VolumeCreateEnd(self.fake_cdmc),
cnotification.VolumeUpdateEnd(self.fake_cdmc),
cnotification.VolumeDeleteEnd(self.fake_cdmc),
cnotification.VolumeAttachEnd(self.fake_cdmc),
cnotification.VolumeDetachEnd(self.fake_cdmc),
cnotification.VolumeResizeEnd(self.fake_cdmc),
]
def test_cinder_capacity_pool_notfound(self, m_cinder_helper):
"""test consuming capacity, new pool in existing node"""
# storage_pool_by_name mock
return_mock = mock.Mock()
return_mock.configure_mock(name='host_0@backend_0#pool_2',
total_volumes='2',
total_capacity_gb='500',
free_capacity_gb='380',
provisioned_capacity_gb='120',
allocated_capacity_gb='120')
m_get_storage_pool_by_name = mock.Mock(
side_effect=lambda name: return_mock)
m_cinder_helper.return_value = mock.Mock(
get_storage_pool_by_name=m_get_storage_pool_by_name)
storage_model = self.fake_cdmc.generate_scenario_1()
self.fake_cdmc.cluster_data_model = storage_model
handler = cnotification.CapacityNotificationEndpoint(self.fake_cdmc)
message = self.load_message('scenario_1_capacity_pool_notfound.json')
handler.info(
ctxt=self.context,
publisher_id=message['publisher_id'],
event_type=message['event_type'],
payload=message['payload'],
metadata=self.FAKE_METADATA,
)
# after consuming message, still pool_0 exists
pool_0_name = 'host_0@backend_0#pool_0'
pool_0 = storage_model.get_pool_by_pool_name(pool_0_name)
self.assertEqual(pool_0_name, pool_0.name)
self.assertEqual(420, pool_0.free_capacity_gb)
self.assertEqual(420, pool_0.virtual_free)
self.assertEqual(80, pool_0.allocated_capacity_gb)
self.assertEqual(80, pool_0.provisioned_capacity_gb)
# new pool was added
pool_1_name = 'host_0@backend_0#pool_2'
m_get_storage_pool_by_name.assert_called_once_with(pool_1_name)
storage_node = storage_model.get_node_by_pool_name(pool_1_name)
self.assertEqual('host_0@backend_0', storage_node.host)
pool_1 = storage_model.get_pool_by_pool_name(pool_1_name)
self.assertEqual(pool_1_name, pool_1.name)
self.assertEqual(500, pool_1.total_capacity_gb)
self.assertEqual(380, pool_1.free_capacity_gb)
self.assertEqual(120, pool_1.allocated_capacity_gb)
def notification_endpoints(self):
"""Associated notification endpoints
:return: Associated notification endpoints
:rtype: List of :py:class:`~.EventsNotificationEndpoint` instances
"""
return [
cinder.CapacityNotificationEndpoint(self),
cinder.VolumeCreateEnd(self),
cinder.VolumeDeleteEnd(self),
cinder.VolumeUpdateEnd(self),
cinder.VolumeAttachEnd(self),
cinder.VolumeDetachEnd(self),
cinder.VolumeResizeEnd(self)
]
def test_cinder_capacity_node_notfound(self, m_cinder_helper):
"""test consuming capacity, new pool in new node"""
return_pool_mock = mock.Mock()
return_pool_mock.configure_mock(name='host_2@backend_2#pool_0',
total_volumes='2',
total_capacity_gb='500',
free_capacity_gb='460',
provisioned_capacity_gb='40',
allocated_capacity_gb='40')
m_get_storage_pool_by_name = mock.Mock(
side_effect=lambda name: return_pool_mock)
# storage_node_by_name mock
return_node_mock = mock.Mock()
return_node_mock.configure_mock(host='host_2@backend_2',
zone='nova',
state='up',
status='enabled')
m_get_storage_node_by_name = mock.Mock(
side_effect=lambda name: return_node_mock)
m_get_volume_type_by_backendname = mock.Mock(
side_effect=lambda name: mock.Mock('backend_2'))
m_cinder_helper.return_value = mock.Mock(
get_storage_pool_by_name=m_get_storage_pool_by_name,
get_storage_node_by_name=m_get_storage_node_by_name,
get_volume_type_by_backendname=m_get_volume_type_by_backendname)
storage_model = self.fake_cdmc.generate_scenario_1()
self.fake_cdmc.cluster_data_model = storage_model
handler = cnotification.CapacityNotificationEndpoint(self.fake_cdmc)
message = self.load_message('scenario_1_capacity_node_notfound.json')
handler.info(
ctxt=self.context,
publisher_id=message['publisher_id'],
event_type=message['event_type'],
payload=message['payload'],
metadata=self.FAKE_METADATA,
)
# new pool and new node was added
node_1_name = 'host_2@backend_2'
pool_1_name = node_1_name + '#pool_0'
volume_type = 'backend_2'
m_get_storage_pool_by_name.assert_called_once_with(pool_1_name)
m_get_storage_node_by_name.assert_called_once_with(node_1_name)
m_get_volume_type_by_backendname.assert_called_once_with(volume_type)
# new node was added
storage_node = storage_model.get_node_by_pool_name(pool_1_name)
self.assertEqual('host_2@backend_2', storage_node.host)
# new pool was added
pool_1 = storage_model.get_pool_by_pool_name(pool_1_name)
self.assertEqual(pool_1_name, pool_1.name)
self.assertEqual(500, pool_1.total_capacity_gb)
self.assertEqual(460, pool_1.free_capacity_gb)
self.assertEqual(40, pool_1.allocated_capacity_gb)
self.assertEqual(40, pool_1.provisioned_capacity_gb)