269 lines
9.9 KiB
Python
269 lines
9.9 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 testtools import matchers
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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.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 OPENSTACK_CLUSTER
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from vitrage.datasources import transformer_base as tbase
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from vitrage.datasources.transformer_base import CLUSTER_ID
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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 NovaZoneTransformerTest(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(NovaZoneTransformerTest, 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_ZONE_DATASOURCE)
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cls.transformers[NOVA_HOST_DATASOURCE] = \
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HostTransformer(cls.transformers)
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cls.transformers[NOVA_ZONE_DATASOURCE] = \
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ZoneTransformer(cls.transformers)
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def test_create_placeholder_vertex(self):
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LOG.debug('Zone transformer test: create placeholder vertex')
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# Test setup
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zone_name = 'zone123'
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timestamp = datetime.datetime.utcnow()
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zone_transformer = self.transformers[NOVA_ZONE_DATASOURCE]
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# Test action
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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: timestamp
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}
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placeholder = \
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zone_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(zone_transformer._key_values(
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NOVA_ZONE_DATASOURCE,
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zone_name))
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expected_uuid = \
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zone_transformer.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_ZONE_DATASOURCE, observed_subtype)
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observed_entity_id = placeholder.get(VProps.ID)
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self.assertEqual(zone_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('Zone transformer test: get key values')
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# Test setup
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zone_name = 'zone123'
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zone_transformer = self.transformers[NOVA_ZONE_DATASOURCE]
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# Test action
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observed_key_fields = zone_transformer._key_values(
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NOVA_ZONE_DATASOURCE,
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zone_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(
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NOVA_ZONE_DATASOURCE,
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observed_key_fields[1]
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)
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self.assertEqual(zone_name, observed_key_fields[2])
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def test_create_entity_key(self):
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pass
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def test_snapshot_transform(self):
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LOG.debug('Nova zone transformer test: transform entity event')
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# Test setup
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spec_list = mock_sync.simple_zone_generators(zone_num=1,
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host_num=1,
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snapshot_events=5)
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zone_events = mock_sync.generate_random_events_list(spec_list)
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for event in zone_events:
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# Test action
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wrapper = self.transformers[NOVA_ZONE_DATASOURCE].transform(event)
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# Test assertions
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vertex = wrapper.vertex
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self._validate_vertex_props(vertex, event)
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neighbors = wrapper.neighbors
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self.assertThat(neighbors, matchers.HasLength(2))
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self._validate_neighbors(neighbors, vertex.vertex_id, event)
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def _validate_neighbors(self, neighbors, zone_vertex_id, event):
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cluster_neighbors_counter = 0
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for neighbor in neighbors:
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vertex_type = neighbor.vertex.get(VProps.VITRAGE_TYPE)
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if OPENSTACK_CLUSTER == vertex_type:
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cluster_neighbors_counter += 1
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self._validate_cluster_neighbor(neighbor, zone_vertex_id)
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else:
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hosts = tbase.extract_field_value(event, 'hosts')
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self._validate_host_neighbor(neighbor,
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zone_vertex_id,
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hosts,
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event[DSProps.DATASOURCE_ACTION])
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self.assertEqual(1,
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cluster_neighbors_counter,
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'Zone can belongs to only one Cluster')
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def _validate_host_neighbor(self,
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host_neighbor,
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zone_vertex_id,
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hosts,
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datasource_action):
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host_vertex = host_neighbor.vertex
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host_vertex_id = host_vertex.get(VProps.ID)
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host_dic = hosts[host_vertex_id]
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self.assertIsNotNone(hosts[host_vertex_id])
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host_available = tbase.extract_field_value(
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host_dic,
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'nova-compute', 'available'
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)
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host_active = tbase.extract_field_value(
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host_dic,
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'nova-compute', 'active'
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)
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if host_available and host_active:
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expected_host_state = ZoneTransformer.STATE_AVAILABLE
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else:
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expected_host_state = ZoneTransformer.STATE_UNAVAILABLE
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self.assertEqual(
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expected_host_state,
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host_vertex.get(VProps.STATE)
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)
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vitrage_is_placeholder = host_vertex[VProps.VITRAGE_IS_PLACEHOLDER]
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self.assertFalse(vitrage_is_placeholder)
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vitrage_is_deleted = host_vertex[VProps.VITRAGE_IS_DELETED]
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self.assertFalse(vitrage_is_deleted)
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# Validate neighbor edge
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edge = host_neighbor.edge
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self.assertEqual(edge.target_id, host_neighbor.vertex.vertex_id)
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self.assertEqual(edge.source_id, zone_vertex_id)
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self.assertEqual(edge.label, EdgeLabel.CONTAINS)
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def _validate_cluster_neighbor(self, cluster_neighbor, zone_vertex_id):
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self.assertEqual(cluster_neighbor.vertex[VProps.VITRAGE_ID],
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cluster_neighbor.vertex.vertex_id)
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self.assertFalse(cluster_neighbor.vertex[VProps.VITRAGE_IS_DELETED])
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self.assertEqual(EntityCategory.RESOURCE,
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cluster_neighbor.vertex[VProps.VITRAGE_CATEGORY])
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self.assertEqual(CLUSTER_ID,
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cluster_neighbor.vertex[VProps.ID])
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self.assertFalse(cluster_neighbor.vertex[
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VProps.VITRAGE_IS_PLACEHOLDER])
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self.assertEqual(OPENSTACK_CLUSTER,
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cluster_neighbor.vertex[VProps.VITRAGE_TYPE])
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# Validate neighbor edge
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edge = cluster_neighbor.edge
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self.assertEqual(edge.source_id, cluster_neighbor.vertex.vertex_id)
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self.assertEqual(edge.target_id, zone_vertex_id)
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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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zone_transform = self.transformers[NOVA_ZONE_DATASOURCE]
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extract_value = tbase.extract_field_value
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expected_id = extract_value(event, 'zoneName')
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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(EntityCategory.RESOURCE,
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vertex[VProps.VITRAGE_CATEGORY])
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self.assertEqual(NOVA_ZONE_DATASOURCE,
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vertex[VProps.VITRAGE_TYPE])
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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, 'zoneName')
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observed_name = vertex[VProps.NAME]
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self.assertEqual(expected_name, observed_name)
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is_zone_available = extract_value(event, 'zoneState', 'available')
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if is_zone_available:
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expected_state = zone_transform.STATE_AVAILABLE
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else:
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expected_state = zone_transform.STATE_UNAVAILABLE
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observed_state = vertex[VProps.STATE]
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self.assertEqual(expected_state, observed_state)
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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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