vitrage/vitrage/tests/unit/datasources/nagios/test_nagios_transformer.py
Alexey Weyl a63fff4f1f Zabbix datasource
Change-Id: I0b2865169b5c47a71a12d6e91e719bfb2c616bc3
2016-06-13 09:43:53 +03:00

156 lines
6.4 KiB
Python

# Copyright 2016 - Nokia
#
# 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 oslo_log import log as logging
from vitrage.common.constants import DatasourceProperties as DSProps
from vitrage.common.constants import EdgeLabel
from vitrage.common.constants import EntityCategory
from vitrage.common.constants import EventAction
from vitrage.common.constants import SyncMode
from vitrage.common.constants import VertexProperties as VProps
from vitrage.datasources.alarm_properties import AlarmProperties as AlarmProps
from vitrage.datasources.nagios.properties import NagiosProperties
from vitrage.datasources.nagios.properties import NagiosTestStatus
from vitrage.datasources.nagios.transformer import NagiosTransformer
from vitrage.datasources.nova.host import NOVA_HOST_DATASOURCE
from vitrage.datasources.nova.host.transformer import HostTransformer
from vitrage.datasources.transformer_base import TransformerBase
from vitrage.tests import base
from vitrage.tests.mocks import mock_driver as mock_sync
LOG = logging.getLogger(__name__)
# noinspection PyProtectedMember
class NagiosTransformerTest(base.BaseTest):
# noinspection PyAttributeOutsideInit,PyPep8Naming
@classmethod
def setUpClass(cls):
cls.transformers = {}
host_transformer = HostTransformer(cls.transformers)
cls.transformers[NOVA_HOST_DATASOURCE] = host_transformer
def test_extract_key(self):
LOG.debug('Test get key from nova instance transformer')
# Test setup
spec_list = mock_sync.simple_nagios_alarm_generators(host_num=1,
events_num=1)
nagios_alarms = mock_sync.generate_sequential_events_list(spec_list)
transformer = NagiosTransformer(self.transformers)
event = nagios_alarms[0]
# Test action
observed_key = transformer._create_entity_key(event)
# Test assertions
observed_key_fields = observed_key.split(
TransformerBase.KEY_SEPARATOR)
self.assertEqual(EntityCategory.ALARM, observed_key_fields[0])
self.assertEqual(event[DSProps.SYNC_TYPE], observed_key_fields[1])
self.assertEqual(event[NagiosProperties.RESOURCE_NAME],
observed_key_fields[2])
self.assertEqual(event[NagiosProperties.SERVICE],
observed_key_fields[3])
def test_nagios_alarm_transform(self):
LOG.debug('Nagios alarm transformer test: transform entity event')
# Test setup
spec_list = mock_sync.simple_nagios_alarm_generators(host_num=4,
events_num=10)
nagios_alarms = mock_sync.generate_sequential_events_list(spec_list)
for alarm in nagios_alarms:
# Test action
wrapper = NagiosTransformer(self.transformers).transform(alarm)
self._validate_vertex(wrapper.vertex, alarm)
neighbors = wrapper.neighbors
self.assertEqual(1, len(neighbors))
neighbor = neighbors[0]
# Right now we are support only host as a resource
if neighbor.vertex[VProps.TYPE] == NOVA_HOST_DATASOURCE:
self._validate_host_neighbor(neighbors[0], alarm)
self._validate_action(alarm, wrapper)
def _validate_action(self, alarm, wrapper):
sync_mode = alarm[DSProps.SYNC_MODE]
if sync_mode in (SyncMode.SNAPSHOT, SyncMode.UPDATE):
if alarm[NagiosProperties.STATUS] == 'OK':
self.assertEqual(EventAction.DELETE_ENTITY, wrapper.action)
else:
self.assertEqual(EventAction.UPDATE_ENTITY, wrapper.action)
else:
self.assertEqual(EventAction.CREATE_ENTITY, wrapper.action)
def _validate_vertex(self, vertex, event):
self.assertEqual(EntityCategory.ALARM, vertex[VProps.CATEGORY])
self.assertEqual(event[DSProps.SYNC_TYPE], vertex[VProps.TYPE])
self.assertEqual(event[NagiosProperties.SERVICE], vertex[VProps.NAME])
event_type = event.get(DSProps.EVENT_TYPE, None)
if event_type is not None:
self.assertEqual(vertex[VProps.STATE],
AlarmProps.INACTIVE_STATE if
EventAction.DELETE_ENTITY == event_type else
AlarmProps.ACTIVE_STATE)
else:
actual_state = AlarmProps.INACTIVE_STATE if \
NagiosTestStatus.OK == event[NagiosProperties.STATUS] \
else AlarmProps.ACTIVE_STATE
self.assertEqual(vertex[VProps.STATE], actual_state)
self.assertEqual(event[NagiosProperties.STATUS],
vertex[VProps.SEVERITY])
self.assertEqual(event[NagiosProperties.STATUS_INFO],
vertex[VProps.INFO])
self.assertFalse(vertex[VProps.IS_DELETED])
self.assertFalse(vertex[VProps.IS_PLACEHOLDER])
def _validate_host_neighbor(self, neighbor, event):
host_vertex = neighbor.vertex
key_fields = host_vertex.vertex_id.split(TransformerBase.KEY_SEPARATOR)
self.assertEqual(EntityCategory.RESOURCE, key_fields[0])
self.assertEqual(NOVA_HOST_DATASOURCE, key_fields[1])
self.assertEqual(event[NagiosProperties.RESOURCE_NAME], key_fields[2])
self.assertFalse(host_vertex[VProps.IS_DELETED])
self.assertTrue(host_vertex[VProps.IS_PLACEHOLDER])
self.assertEqual(EntityCategory.RESOURCE, host_vertex[VProps.CATEGORY])
self.assertEqual(event[NagiosProperties.RESOURCE_NAME],
host_vertex[VProps.ID])
self.assertEqual(NOVA_HOST_DATASOURCE, host_vertex[VProps.TYPE])
edge = neighbor.edge
self.assertEqual(EdgeLabel.ON, edge.label)
alarm_key = \
NagiosTransformer(self.transformers)._create_entity_key(event)
self.assertEqual(alarm_key, edge.source_id)
self.assertEqual(host_vertex.vertex_id, edge.target_id)