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# Copyright 2025 Red Hat, Inc.
#
# 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
from tempest import config
from tempest.lib import decorators
from watcher_tempest_plugin.tests.scenario import base
from watcher_tempest_plugin import utils
CONF = config.CONF
LOG = log.getLogger(__name__)
class TestDataModelBase(base.BaseInfraOptimScenarioTest):
"""Base class for data model tests"""
# Minimal version required for _create_one_instance_per_host
compute_min_microversion = base.NOVA_API_VERSION_CREATE_WITH_HOST
# Minimal version required for listing data model
min_microversion = "1.3"
@classmethod
def skip_checks(cls):
super().skip_checks()
if CONF.compute.min_compute_nodes < 1:
raise cls.skipException(
"Data model tests requires at least 1 compute node, "
"skipping tests.")
class TestDataModel(TestDataModelBase):
"""Tests for data models with instances"""
@decorators.idempotent_id('dabd41a4-e668-43c8-89a2-3d231e2ed79d')
def test_data_model_with_instances(self):
# This test requires at least one enabled compute node
self.check_min_enabled_compute_nodes(1)
self.addCleanup(self.wait_delete_instances_from_model)
instances = self._create_one_instance_per_host()
# wait for compute model updates
self.wait_for_instances_in_model(instances)
_, body = self.client.list_data_models(data_model_type="compute")
self.assertEqual(len(instances), len(body['context']))
context_keys = body['context'][0].keys()
# Check some of the fields available in 1.3, including server fields
expected_fields = set([
'node_hostname', 'node_uuid', 'node_vcpus', 'node_memory',
'node_status', 'node_state', 'server_uuid', 'server_state',
'server_vcpus', 'server_memory'])
self.assertTrue(expected_fields.issubset(set(context_keys)))
# Sanity check in content returned by the data model
for instance in instances:
server_ctx = [elem for elem in body['context']
if elem['server_uuid'] == instance['id']][0]
node_details = self.get_hypervisor_details(
instance['OS-EXT-SRV-ATTR:host'])
self.assertEqual(server_ctx['node_hostname'],
node_details['hypervisor_hostname'])
self.assertEqual(server_ctx['node_uuid'], node_details['id'])
self.assertEqual(server_ctx['node_vcpus'], node_details['vcpus'])
self.assertEqual(server_ctx['node_memory'],
node_details['memory_mb'])
self.assertEqual(server_ctx['node_status'], node_details['status'])
self.assertEqual(server_ctx['node_state'], node_details['state'])
self.assertEqual(server_ctx['server_uuid'], instance['id'])
self.assertEqual(server_ctx['server_vcpus'],
instance['flavor']['vcpus'])
self.assertEqual(server_ctx['server_memory'],
instance['flavor']['ram'])
class TestDataModelWithExtendedAttributes(TestDataModelBase):
"""Tests for compute data model with extended attributes"""
@classmethod
def skip_checks(cls):
super().skip_checks()
if not CONF.optimize.run_extended_attributes_tests:
raise cls.skipException(
"Extended attributes for compute model tests "
"are not enabled.")
# Minimal version required for extended attributes
min_microversion = "1.6"
@decorators.idempotent_id('788d4f08-6caa-4099-8d04-0c8e41ba0fdc')
def test_data_model_with_extended_attributes(self):
# This test requires at least one enabled compute node
self.check_min_enabled_compute_nodes(1)
self.addCleanup(self.wait_delete_instances_from_model)
compute_node = self.get_enabled_compute_nodes()[0]
kwargs_server = {'host': compute_node['host'],
'availability_zone': compute_node['zone']}
flavor_id = CONF.compute.flavor_ref
instance = self.create_server(
image_id=CONF.compute.image_ref, flavor=flavor_id,
wait_until='ACTIVE', clients=self.os_admin, **kwargs_server)
# check that the instance is in the model
self.wait_for_instances_in_model([instance])
# Wait until we get flavor_extra_specs updated in model
self.wait_for_instances_attributes_in_model(
[instance], {'server_flavor_extra_specs':
instance['flavor']['extra_specs']})
_, body = self.client.list_data_models(data_model_type="compute")
# NOTE(dviroel): even with one instance, the result can contain
# more elements than represent other compute nodes.
server_ctx = [inst for inst in body['context']
if inst.get('server_uuid') == instance['id']][0]
context_keys = server_ctx.keys()
# Check some of the fields available in 1.3, including server fields
expected_fields = set([
'node_hostname', 'node_uuid', 'node_vcpus', 'node_memory',
'server_uuid', 'server_state', 'server_vcpus', 'server_memory'])
self.assertTrue(expected_fields.issubset(set(context_keys)))
# New fields added in 1.6
new_fields = set(['server_pinned_az', 'server_flavor_extra_specs'])
self.assertTrue(new_fields.issubset(set(context_keys)))
if (utils.is_microversion_le(
base.NOVA_API_VERSION_SERVER_PINNED_AZ,
CONF.compute.max_microversion)):
# Wait until we get server_pinned_az updated in model
# server_pinned_az can only be updated via collector
self.wait_for_instances_attributes_in_model(
[instance], {'server_pinned_az': compute_node['zone']})
else:
LOG.warning("Server pinned AZ validation was skipped because "
"the configured compute microversion does not "
"support `pinned_availability_zone`.")
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