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# -*- encoding: utf-8 -*-
# Copyright (c) 2016 b<>com
#
#
# 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.
import functools
from oslo_log import log
from tempest import config
from tempest.lib.common.utils import test_utils
from tempest.lib import decorators
from watcher_tempest_plugin.tests.scenario import base
CONF = config.CONF
LOG = log.getLogger(__name__)
class TestExecuteWorkloadBalancingStrategy(base.BaseInfraOptimScenarioTest):
"""Tests for action plans"""
# Minimal version required for list data models
min_microversion = "1.3"
# Minimal version required for _create_one_instance_per_host
compute_min_microversion = base.NOVA_API_VERSION_CREATE_WITH_HOST
GOAL = "workload_balancing"
@classmethod
def skip_checks(cls):
super(TestExecuteWorkloadBalancingStrategy, cls).skip_checks()
@classmethod
def resource_setup(cls):
super(TestExecuteWorkloadBalancingStrategy, cls).resource_setup()
if CONF.compute.min_compute_nodes < 2:
raise cls.skipException(
"Less than 2 compute nodes, skipping multinode tests.")
if not CONF.compute_feature_enabled.live_migration:
raise cls.skipException("Live migration is not enabled")
enabled_compute_nodes = cls.get_enabled_compute_nodes()
cls.wait_for_compute_node_setup()
if len(enabled_compute_nodes) < 2:
raise cls.skipException(
"Less than 2 compute nodes are enabled, "
"skipping multinode tests.")
@decorators.idempotent_id('3bb80932-9caa-4c30-8dfd-7d6f429d8784')
def test_execute_workload_stabilization(self):
# This test requires metrics injection
"""Execute an action plan using the workload_stabilization strategy"""
self.addCleanup(self.rollback_compute_nodes_status)
self.addCleanup(self.wait_delete_instances_from_model)
host = self.get_enabled_compute_nodes()[0]['host']
instances = []
for _ in range(2):
instance = self._create_instance(host=host)
instances.append(instance)
# wait for compute model updates
self.wait_for_instances_in_model(instances)
audit_parameters = {
"metrics": ["instance_cpu_usage"],
"thresholds": {"instance_cpu_usage": 0.2},
"weights": {"instance_cpu_usage_weight": 1.0},
"periods": {"instance": 72000, "compute_node": 60000},
"instance_metrics": {"instance_cpu_usage": "host_cpu_usage"},
"granularity": 300,
"aggregation_method": {"instance": "mean", "compute_node": "mean"}}
_, goal = self.client.show_goal(self.GOAL)
_, strategy = self.client.show_strategy("workload_stabilization")
_, audit_template = self.create_audit_template(
goal['uuid'], strategy=strategy['uuid'])
self.assertTrue(test_utils.call_until_true(
func=functools.partial(
self.has_action_plans_finished),
duration=600,
sleep_for=2
))
_, audit = self.create_audit(
audit_template['uuid'], parameters=audit_parameters)
try:
self.assertTrue(test_utils.call_until_true(
func=functools.partial(
self.has_audit_finished, audit['uuid']),
duration=600,
sleep_for=2
))
except ValueError:
self.fail("The audit has failed!")
_, finished_audit = self.client.show_audit(audit['uuid'])
if finished_audit.get('state') in ('FAILED', 'CANCELLED'):
self.fail("The audit ended in unexpected state: %s!" %
finished_audit.get('state'))
_, action_plans = self.client.list_action_plans(
audit_uuid=audit['uuid'])
action_plan = action_plans['action_plans'][0]
_, action_plan = self.client.show_action_plan(action_plan['uuid'])
_, action_list = self.client.list_actions(
action_plan_uuid=action_plan["uuid"])
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