239 lines
8.8 KiB
Python
239 lines
8.8 KiB
Python
# Copyright 2016 - Alcatel-Lucent
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import datetime
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from oslo_config import cfg
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from oslo_log import log as logging
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from vitrage.common.constants import DatasourceAction
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from vitrage.common.constants import DatasourceOpts as DSOpts
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from vitrage.common.constants import DatasourceProperties as DSProps
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from vitrage.common.constants import EdgeLabel
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from vitrage.common.constants import EntityCategory
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from vitrage.common.constants import GraphAction
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from vitrage.common.constants import UpdateMethod
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from vitrage.common.constants import VertexProperties as VProps
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from vitrage.datasources.nova.host import NOVA_HOST_DATASOURCE
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from vitrage.datasources.nova.host.transformer import HostTransformer
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from vitrage.datasources.nova.zone import NOVA_ZONE_DATASOURCE
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from vitrage.datasources.nova.zone.transformer import ZoneTransformer
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from vitrage.datasources import transformer_base as tbase
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from vitrage.datasources.transformer_base import TransformerBase
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from vitrage.tests import base
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from vitrage.tests.mocks import mock_driver as mock_sync
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LOG = logging.getLogger(__name__)
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# noinspection PyProtectedMember
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class NovaHostTransformerTest(base.BaseTest):
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OPTS = [
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cfg.StrOpt(DSOpts.UPDATE_METHOD,
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default=UpdateMethod.PUSH),
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]
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# noinspection PyAttributeOutsideInit,PyPep8Naming
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@classmethod
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def setUpClass(cls):
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super(NovaHostTransformerTest, cls).setUpClass()
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cls.transformers = {}
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cls.conf = cfg.ConfigOpts()
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cls.conf.register_opts(cls.OPTS, group=NOVA_HOST_DATASOURCE)
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cls.transformers[NOVA_ZONE_DATASOURCE] = ZoneTransformer(
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cls.transformers, cls.conf)
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cls.transformers[NOVA_HOST_DATASOURCE] = HostTransformer(
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cls.transformers, cls.conf)
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def test_create_placeholder_vertex(self):
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LOG.debug('Nova host transformer test: Test create placeholder vertex')
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# Test setup
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host_name = 'host123'
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timestamp = datetime.datetime.utcnow()
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host_transformer = self.transformers[NOVA_HOST_DATASOURCE]
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# Test action
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properties = {
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VProps.ID: host_name,
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VProps.VITRAGE_TYPE: NOVA_HOST_DATASOURCE,
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VProps.VITRAGE_CATEGORY: EntityCategory.RESOURCE,
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VProps.VITRAGE_SAMPLE_TIMESTAMP: timestamp
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}
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placeholder = \
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host_transformer.create_neighbor_placeholder_vertex(**properties)
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# Test assertions
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observed_uuid = placeholder.vertex_id
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expected_key = tbase.build_key(host_transformer._key_values(
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NOVA_HOST_DATASOURCE,
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host_name))
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expected_uuid = \
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TransformerBase.uuid_from_deprecated_vitrage_id(expected_key)
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self.assertEqual(expected_uuid, observed_uuid)
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observed_time = placeholder.get(VProps.VITRAGE_SAMPLE_TIMESTAMP)
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self.assertEqual(timestamp, observed_time)
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observed_subtype = placeholder.get(VProps.VITRAGE_TYPE)
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self.assertEqual(NOVA_HOST_DATASOURCE, observed_subtype)
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observed_entity_id = placeholder.get(VProps.ID)
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self.assertEqual(host_name, observed_entity_id)
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observed_vitrage_category = placeholder.get(VProps.VITRAGE_CATEGORY)
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self.assertEqual(EntityCategory.RESOURCE, observed_vitrage_category)
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vitrage_is_placeholder = placeholder.get(VProps.VITRAGE_IS_PLACEHOLDER)
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self.assertTrue(vitrage_is_placeholder)
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def test_key_values(self):
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LOG.debug('Test key values')
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# Test setup
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host_name = 'host123456'
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host_transformer = self.transformers[NOVA_HOST_DATASOURCE]
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# Test action
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observed_key_fields = host_transformer._key_values(
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NOVA_HOST_DATASOURCE,
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host_name)
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# Test assertions
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self.assertEqual(EntityCategory.RESOURCE, observed_key_fields[0])
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self.assertEqual(NOVA_HOST_DATASOURCE, observed_key_fields[1])
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self.assertEqual(host_name, observed_key_fields[2])
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def test_snapshot_transform(self):
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LOG.debug('Nova host transformer test: transform entity event')
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# Test setup
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spec_list = mock_sync.simple_host_generators(zone_num=2,
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host_num=4,
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snapshot_events=5)
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host_events = mock_sync.generate_random_events_list(spec_list)
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for event in host_events:
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# Test action
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wrapper = self.transformers[NOVA_HOST_DATASOURCE].transform(event)
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# Test assertions
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self._validate_vertex_props(wrapper.vertex, event)
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neighbors = wrapper.neighbors
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self.assertEqual(1, len(neighbors))
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self._validate_zone_neighbor(neighbors[0], event)
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if DatasourceAction.SNAPSHOT == event[DSProps.DATASOURCE_ACTION]:
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self.assertEqual(GraphAction.UPDATE_ENTITY, wrapper.action)
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else:
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self.assertEqual(GraphAction.CREATE_ENTITY, wrapper.action)
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def _validate_zone_neighbor(self, zone, event):
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zone_name = tbase.extract_field_value(event, 'zone')
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time = event[DSProps.SAMPLE_DATE]
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zt = self.transformers[NOVA_ZONE_DATASOURCE]
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properties = {
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VProps.ID: zone_name,
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VProps.VITRAGE_TYPE: NOVA_ZONE_DATASOURCE,
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VProps.VITRAGE_CATEGORY: EntityCategory.RESOURCE,
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VProps.VITRAGE_SAMPLE_TIMESTAMP: time
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}
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expected_neighbor = \
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zt.create_neighbor_placeholder_vertex(**properties)
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self.assertEqual(expected_neighbor, zone.vertex)
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# Validate neighbor edge
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edge = zone.edge
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transformer = self.transformers[NOVA_HOST_DATASOURCE]
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entity_key = transformer._create_entity_key(event)
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entity_uuid = \
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TransformerBase.uuid_from_deprecated_vitrage_id(entity_key)
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self.assertEqual(edge.source_id, zone.vertex.vertex_id)
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self.assertEqual(edge.target_id, entity_uuid)
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self.assertEqual(edge.label, EdgeLabel.CONTAINS)
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def _validate_vertex_props(self, vertex, event):
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extract_value = tbase.extract_field_value
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expected_id = extract_value(event, '_info', 'host_name')
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observed_id = vertex[VProps.ID]
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self.assertEqual(expected_id, observed_id)
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self.assertEqual(
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EntityCategory.RESOURCE,
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vertex[VProps.VITRAGE_CATEGORY]
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)
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self.assertEqual(
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NOVA_HOST_DATASOURCE,
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vertex[VProps.VITRAGE_TYPE]
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)
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expected_timestamp = event[DSProps.SAMPLE_DATE]
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observed_timestamp = vertex[VProps.VITRAGE_SAMPLE_TIMESTAMP]
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self.assertEqual(expected_timestamp, observed_timestamp)
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expected_name = extract_value(event, '_info', 'host_name')
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observed_name = vertex[VProps.NAME]
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self.assertEqual(expected_name, observed_name)
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vitrage_is_placeholder = vertex[VProps.VITRAGE_IS_PLACEHOLDER]
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self.assertFalse(vitrage_is_placeholder)
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vitrage_is_deleted = vertex[VProps.VITRAGE_IS_DELETED]
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self.assertFalse(vitrage_is_deleted)
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def test_extract_event_action(self):
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LOG.debug('Test extract event action')
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# Test setup
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spec_list = mock_sync.simple_host_generators(
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zone_num=1,
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host_num=1,
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snapshot_events=1,
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snap_vals={DSProps.DATASOURCE_ACTION: DatasourceAction.SNAPSHOT})
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hosts_events = mock_sync.generate_random_events_list(spec_list)
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host_transformer = self.transformers[NOVA_HOST_DATASOURCE]
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# Test action
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action = host_transformer._extract_graph_action(hosts_events[0])
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# Test assertion
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self.assertEqual(GraphAction.UPDATE_ENTITY, action)
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# Test setup
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spec_list = mock_sync.simple_host_generators(
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zone_num=1,
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host_num=1,
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snapshot_events=1,
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snap_vals={DSProps.DATASOURCE_ACTION:
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DatasourceAction.INIT_SNAPSHOT})
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hosts_events = mock_sync.generate_random_events_list(spec_list)
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host_transformer = self.transformers[NOVA_HOST_DATASOURCE]
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# Test action
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action = host_transformer._extract_graph_action(hosts_events[0])
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# Test assertions
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self.assertEqual(GraphAction.CREATE_ENTITY, action)
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# TODO(lhartal): To add extract action from update event
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