232 lines
9.0 KiB
Python
232 lines
9.0 KiB
Python
# Copyright 2016 - Nokia
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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 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 UpdateMethod
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from vitrage.common.constants import VertexProperties as VProps
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from vitrage.datasources.cinder.volume import CINDER_VOLUME_DATASOURCE
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from vitrage.datasources.cinder.volume.transformer \
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import CinderVolumeTransformer
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from vitrage.datasources.heat.stack import HEAT_STACK_DATASOURCE
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from vitrage.datasources.heat.stack.transformer import HeatStackTransformer
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from vitrage.datasources.nova.instance import NOVA_INSTANCE_DATASOURCE
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from vitrage.datasources.nova.instance.transformer import InstanceTransformer
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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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class TestHeatStackTransformer(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(TestHeatStackTransformer, 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=HEAT_STACK_DATASOURCE)
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cls.transformers[HEAT_STACK_DATASOURCE] = \
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HeatStackTransformer(cls.transformers, cls.conf)
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cls.transformers[CINDER_VOLUME_DATASOURCE] = \
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CinderVolumeTransformer(cls.transformers, cls.conf)
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cls.transformers[NOVA_INSTANCE_DATASOURCE] = \
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InstanceTransformer(cls.transformers, cls.conf)
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def test_create_placeholder_vertex(self):
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LOG.debug('Heat Stack transformer test: Create placeholder vertex')
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# Tests setup
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stack_id = 'Stack123'
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timestamp = datetime.datetime.utcnow()
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properties = {
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VProps.ID: stack_id,
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VProps.VITRAGE_TYPE: HEAT_STACK_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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transformer = self.transformers[HEAT_STACK_DATASOURCE]
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# Test action
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placeholder = \
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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(transformer._key_values(
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HEAT_STACK_DATASOURCE,
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stack_id))
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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_type = placeholder.get(VProps.VITRAGE_TYPE)
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self.assertEqual(HEAT_STACK_DATASOURCE, observed_type)
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observed_entity_id = placeholder.get(VProps.ID)
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self.assertEqual(stack_id, 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('Heat Stack transformer test: get key values')
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# Test setup
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volume_type = HEAT_STACK_DATASOURCE
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volume_id = '12345'
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transformer = self.transformers[HEAT_STACK_DATASOURCE]
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# Test action
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observed_key_fields = transformer._key_values(volume_type,
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volume_id)
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# Test assertions
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self.assertEqual(EntityCategory.RESOURCE, observed_key_fields[0])
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self.assertEqual(HEAT_STACK_DATASOURCE, observed_key_fields[1])
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self.assertEqual(volume_id, observed_key_fields[2])
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def test_snapshot_transform(self):
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LOG.debug('Heat Stack transformer test: transform entity event '
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'snapshot')
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# Test setup
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spec_list = \
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mock_sync.simple_stack_generators(stack_num=3,
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instance_and_volume_num=7,
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snapshot_events=7)
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static_events = mock_sync.generate_random_events_list(spec_list)
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for event in static_events:
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# Test action
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wrapper = self.transformers[HEAT_STACK_DATASOURCE].transform(
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event)
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# Test assertions
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vertex = wrapper.vertex
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self._validate_stack_vertex_props(vertex, event)
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neighbors = wrapper.neighbors
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self._validate_neighbors(neighbors, vertex.vertex_id, event)
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def test_update_transform(self):
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LOG.debug('Heat Stack transformer test: transform entity event '
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'update')
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# Test setup
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spec_list = \
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mock_sync.simple_stack_generators(stack_num=3,
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instance_and_volume_num=7,
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snapshot_events=7)
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static_events = mock_sync.generate_random_events_list(spec_list)
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for event in static_events:
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# Test action
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wrapper = self.transformers[HEAT_STACK_DATASOURCE].transform(
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event)
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# Test assertions
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vertex = wrapper.vertex
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self._validate_stack_vertex_props(vertex, event)
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neighbors = wrapper.neighbors
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self._validate_neighbors(neighbors, vertex.vertex_id, event)
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def _validate_stack_vertex_props(self, vertex, event):
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is_update_event = tbase.is_update_event(event)
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self.assertEqual(EntityCategory.RESOURCE,
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vertex[VProps.VITRAGE_CATEGORY])
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self.assertEqual(event[DSProps.ENTITY_TYPE],
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vertex[VProps.VITRAGE_TYPE])
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id_field_path = 'stack_identity' if is_update_event else 'id'
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self.assertEqual(
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tbase.extract_field_value(event, id_field_path),
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vertex[VProps.ID])
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self.assertEqual(event[DSProps.SAMPLE_DATE],
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vertex[VProps.VITRAGE_SAMPLE_TIMESTAMP])
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name_field_path = 'stack_name'
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self.assertEqual(
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tbase.extract_field_value(event, name_field_path),
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vertex[VProps.NAME])
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state_field_path = 'state' if is_update_event else 'stack_status'
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self.assertEqual(
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tbase.extract_field_value(event, state_field_path),
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vertex[VProps.STATE])
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self.assertFalse(vertex[VProps.VITRAGE_IS_PLACEHOLDER])
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self.assertFalse(vertex[VProps.VITRAGE_IS_DELETED])
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def _validate_neighbors(self, neighbors, stack_vertex_id, event):
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self.assertEqual(2, len(neighbors))
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instance_id = event['resources'][0]['physical_resource_id']
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self._validate_neighbor(neighbors[0],
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instance_id,
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NOVA_INSTANCE_DATASOURCE,
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stack_vertex_id)
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instance_id = event['resources'][1]['physical_resource_id']
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self._validate_neighbor(neighbors[1],
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instance_id,
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CINDER_VOLUME_DATASOURCE,
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stack_vertex_id)
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def _validate_neighbor(self,
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instance_neighbor,
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instance_id,
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datasource_type,
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stack_vertex_id):
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# validate neighbor vertex
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self.assertEqual(EntityCategory.RESOURCE,
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instance_neighbor.vertex[VProps.VITRAGE_CATEGORY])
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self.assertEqual(datasource_type,
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instance_neighbor.vertex[VProps.VITRAGE_TYPE])
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self.assertEqual(instance_id, instance_neighbor.vertex[VProps.ID])
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self.assertTrue(
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instance_neighbor.vertex[VProps.VITRAGE_IS_PLACEHOLDER])
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self.assertFalse(instance_neighbor.vertex[VProps.VITRAGE_IS_DELETED])
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# Validate neighbor edge
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edge = instance_neighbor.edge
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self.assertEqual(edge.target_id, instance_neighbor.vertex.vertex_id)
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self.assertEqual(edge.source_id, stack_vertex_id)
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self.assertEqual(edge.label, EdgeLabel.COMPRISED)
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