tacker/tacker/tests/functional/sol_kubernetes_v2/test_prometheus_auto_scalin...

116 lines
4.4 KiB
Python

# Copyright (C) 2022 Fujitsu
# All Rights Reserved.
#
# 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 ddt
import os
import time
from tacker.objects import fields
from tacker.tests.functional.sol_kubernetes_v2 import base_v2
from tacker.tests.functional.sol_kubernetes_v2 import paramgen
@ddt.ddt
class PrometheusAutoScalingTest(base_v2.BaseVnfLcmKubernetesV2Test):
@classmethod
def setUpClass(cls):
super(PrometheusAutoScalingTest, cls).setUpClass()
cur_dir = os.path.dirname(__file__)
test_instantiate_cnf_resources_path = os.path.join(
cur_dir, "samples/test_instantiate_cnf_resources")
cls.vnf_pkg_1, cls.vnfd_id_1 = cls.create_vnf_package(
test_instantiate_cnf_resources_path)
@classmethod
def tearDownClass(cls):
super(PrometheusAutoScalingTest, cls).tearDownClass()
cls.delete_vnf_package(cls.vnf_pkg_1)
def setUp(self):
super(PrometheusAutoScalingTest, self).setUp()
def test_prometheus_auto_scaling_basic(self):
"""Test Prometheus Auto Scaling operations with all attributes set
* About LCM operations:
This test includes the following operations.
- 1. Create a new VNF instance resource
- 2. Instantiate a VNF instance
- 3. Prometheus Auto Scaling alert.
- 4. Terminate a VNF instance
- 5. Delete a VNF instance
"""
# 1. LCM-Create: Create a new VNF instance resource
# NOTE: extensions and vnfConfigurableProperties are omitted
# because they are commented out in etsi_nfv_sol001.
create_req = paramgen.instantiate_cnf_resources_create(self.vnfd_id_1)
resp, body = self.create_vnf_instance(create_req)
self.assertEqual(201, resp.status_code)
inst_id = body['id']
# 2. LCM-Instantiate: Instantiate a VNF instance
vim_id = self.get_k8s_vim_id()
instantiate_req = paramgen.min_sample_instantiate(vim_id)
instantiate_req['additionalParams'][
'lcm-kubernetes-def-files'] = ['Files/kubernetes/deployment.yaml']
instantiate_req['vnfConfigurableProperties'] = {
'isAutoscaleEnabled': True}
resp, body = self.instantiate_vnf_instance(inst_id, instantiate_req)
self.assertEqual(202, resp.status_code)
lcmocc_id = os.path.basename(resp.headers['Location'])
self.wait_lcmocc_complete(lcmocc_id)
resp, body = self.show_vnf_instance(inst_id)
self.assertEqual(200, resp.status_code)
# 3. Send Auto-Healing alert
alert = paramgen.prometheus_auto_scaling_alert(inst_id)
# CNF scale is not integrated yet. use this value for now.
alert['alerts'][0]['labels']['aspect_id'] = 'invalid_id'
resp, body = self.prometheus_auto_scaling_alert(alert)
self.assertEqual(204, resp.status_code)
time.sleep(5)
# 4. LCM-Terminate: Terminate VNF
terminate_req = paramgen.terminate_vnf_min()
resp, body = self.terminate_vnf_instance(inst_id, terminate_req)
self.assertEqual(202, resp.status_code)
lcmocc_id = os.path.basename(resp.headers['Location'])
self.wait_lcmocc_complete(lcmocc_id)
# wait a bit because there is a bit time lag between lcmocc DB
# update and terminate completion.
time.sleep(10)
# check instantiationState of VNF
resp, body = self.show_vnf_instance(inst_id)
self.assertEqual(200, resp.status_code)
self.assertEqual(fields.VnfInstanceState.NOT_INSTANTIATED,
body['instantiationState'])
# 5. LCM-Delete: Delete a VNF instance
resp, body = self.delete_vnf_instance(inst_id)
self.assertEqual(204, resp.status_code)
# check deletion of VNF instance
resp, body = self.show_vnf_instance(inst_id)
self.assertEqual(404, resp.status_code)