tacker/tacker/tests/functional/sol_kubernetes_v2/test_vnflcm_basic.py

495 lines
19 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.tests.functional.sol_kubernetes_v2 import base_v2
from tacker.tests.functional.sol_kubernetes_v2 import paramgen
@ddt.ddt
class VnfLcmKubernetesTest(base_v2.BaseVnfLcmKubernetesV2Test):
@classmethod
def setUpClass(cls):
super(VnfLcmKubernetesTest, 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(VnfLcmKubernetesTest, cls).tearDownClass()
cls.delete_vnf_package(cls.vnf_pkg_1)
def setUp(self):
super(VnfLcmKubernetesTest, self).setUp()
def test_basic_lcms_max(self):
"""Test LCM operations with all attributes set
* About attributes:
All of the following cardinality attributes are set.
In addition, 0..N or 1..N attributes are set to 2 or more.
- 0..1 (1)
- 0..N (2 or more)
- 1
- 1..N (2 or more)
* About LCM operations:
This test includes the following operations.
- 1. Create a new VNF instance resource
- 2. Instantiate a VNF instance
- 3. Show VNF instance
- 4. Scale out a VNF instance
- 5. Show VNF instance
- 6. Scale in a VNF instance
- 7. Show VNF instance
- 8. Heal in a VNF instance
- 9. Show VNF instance
- 10. Terminate a VNF instance
- 11. Delete a VNF instance
"""
# 1. Create a new VNF instance resource
# NOTE: extensions and vnfConfigurableProperties are omitted
# because they are commented out in etsi_nfv_sol001.
expected_inst_attrs = [
'id',
'vnfInstanceName',
'vnfInstanceDescription',
'vnfdId',
'vnfProvider',
'vnfProductName',
'vnfSoftwareVersion',
'vnfdVersion',
# 'vnfConfigurableProperties', # omitted
# 'vimConnectionInfo', # omitted
'instantiationState',
# 'instantiatedVnfInfo', # omitted
'metadata',
# 'extensions', # omitted
'_links'
]
create_req = paramgen.test_instantiate_cnf_resources_create(
self.vnfd_id_1)
resp, body = self.create_vnf_instance(create_req)
self.assertEqual(201, resp.status_code)
self.check_resp_headers_in_create(resp)
self.check_resp_body(body, expected_inst_attrs)
inst_id = body['id']
# check usageState of VNF Package
usage_state = self.get_vnf_package(self.vnf_pkg_1)['usageState']
self.assertEqual('IN_USE', usage_state)
# 2. Instantiate a VNF instance
instantiate_req = paramgen.max_sample_instantiate(
self.auth_url, self.bearer_token, ssl_ca_cert=self.ssl_ca_cert)
resp, body = self.instantiate_vnf_instance(inst_id, instantiate_req)
self.assertEqual(202, resp.status_code)
self.check_resp_headers_in_operation_task(resp)
lcmocc_id = os.path.basename(resp.headers['Location'])
self.wait_lcmocc_complete(lcmocc_id)
# 3. Show VNF instance
additional_inst_attrs = [
'vimConnectionInfo',
'instantiatedVnfInfo'
]
expected_inst_attrs.extend(additional_inst_attrs)
resp, body = self.show_vnf_instance(inst_id)
self.assertEqual(200, resp.status_code)
self.check_resp_headers_in_get(resp)
self.check_resp_body(body, expected_inst_attrs)
# check vnfc_resource_info
vnfc_resource_infos = body['instantiatedVnfInfo']['vnfcResourceInfo']
vdu_nums = {'VDU1': 0, 'VDU2': 0, 'VDU3': 0, 'VDU5': 0, 'VDU6': 0}
for vnfc_info in vnfc_resource_infos:
if vnfc_info['vduId'] == 'VDU1':
self.assertEqual('Pod', vnfc_info[
'computeResource']['vimLevelResourceType'])
vdu_nums['VDU1'] += 1
elif vnfc_info['vduId'] == 'VDU2':
self.assertEqual('Deployment', vnfc_info[
'computeResource']['vimLevelResourceType'])
vdu_nums['VDU2'] += 1
elif vnfc_info['vduId'] == 'VDU3':
self.assertEqual('ReplicaSet', vnfc_info[
'computeResource']['vimLevelResourceType'])
vdu_nums['VDU3'] += 1
elif vnfc_info['vduId'] == 'VDU5':
self.assertEqual('StatefulSet', vnfc_info[
'computeResource']['vimLevelResourceType'])
vdu_nums['VDU5'] += 1
elif vnfc_info['vduId'] == 'VDU6':
self.assertEqual('DaemonSet', vnfc_info[
'computeResource']['vimLevelResourceType'])
vdu_nums['VDU6'] += 1
expected = {'VDU1': 1, 'VDU2': 2, 'VDU3': 1, 'VDU5': 1, 'VDU6': 1}
self.assertEqual(expected, vdu_nums)
# 4. Scale out a VNF instance
scale_out_req = paramgen.max_sample_scale_out()
resp, body = self.scale_vnf_instance(inst_id, scale_out_req)
self.assertEqual(202, resp.status_code)
self.check_resp_headers_in_operation_task(resp)
lcmocc_id = os.path.basename(resp.headers['Location'])
self.wait_lcmocc_complete(lcmocc_id)
# 5. Show VNF instance
resp, body = self.show_vnf_instance(inst_id)
self.assertEqual(200, resp.status_code)
self.check_resp_headers_in_get(resp)
# check vnfc_resource_info
vnfc_resource_infos = body['instantiatedVnfInfo']['vnfcResourceInfo']
vdu3_infos = [vnfc_info for vnfc_info in vnfc_resource_infos
if vnfc_info['vduId'] == 'VDU3']
self.assertEqual(3, len(vdu3_infos))
# 6. Scale in a VNF instance
scale_in_req = paramgen.max_sample_scale_in()
resp, body = self.scale_vnf_instance(inst_id, scale_in_req)
self.assertEqual(202, resp.status_code)
self.check_resp_headers_in_operation_task(resp)
lcmocc_id = os.path.basename(resp.headers['Location'])
self.wait_lcmocc_complete(lcmocc_id)
# 7. Show VNF instance
resp, body = self.show_vnf_instance(inst_id)
self.assertEqual(200, resp.status_code)
self.check_resp_headers_in_get(resp)
# check vnfc_resource_info
vnfc_resource_infos = body['instantiatedVnfInfo']['vnfcResourceInfo']
vdu3_infos = [vnfc_info for vnfc_info in vnfc_resource_infos
if vnfc_info['vduId'] == 'VDU3']
self.assertEqual(2, len(vdu3_infos))
# 8. Heal a VNF instance
vnfc_infos = body['instantiatedVnfInfo']['vnfcInfo']
vdu2_ids = [vnfc_info['id'] for vnfc_info in vnfc_infos
if vnfc_info['vduId'] == 'VDU2']
target = [vdu2_ids[0]]
heal_req = paramgen.max_sample_heal(target)
resp, body = self.heal_vnf_instance(inst_id, heal_req)
self.assertEqual(202, resp.status_code)
self.check_resp_headers_in_operation_task(resp)
lcmocc_id = os.path.basename(resp.headers['Location'])
self.wait_lcmocc_complete(lcmocc_id)
# 9. Show VNF instance
resp, body = self.show_vnf_instance(inst_id)
self.assertEqual(200, resp.status_code)
self.check_resp_headers_in_get(resp)
# check vnfc_resource_info
vnfc_infos = body['instantiatedVnfInfo']['vnfcInfo']
result_vdu2_ids = [vnfc_info['id'] for vnfc_info in vnfc_infos
if vnfc_info['vduId'] == 'VDU2']
self.assertEqual(2, len(result_vdu2_ids))
self.assertNotIn(vdu2_ids[0], result_vdu2_ids)
self.assertIn(vdu2_ids[1], result_vdu2_ids)
# 10. Terminate a VNF instance
terminate_req = paramgen.max_sample_terminate()
resp, body = self.terminate_vnf_instance(inst_id, terminate_req)
self.assertEqual(202, resp.status_code)
self.check_resp_headers_in_operation_task(resp)
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(3)
# 11. Delete a VNF instance
resp, body = self.delete_vnf_instance(inst_id)
self.assertEqual(204, resp.status_code)
self.check_resp_headers_in_delete(resp)
# check deletion of VNF instance
resp, body = self.show_vnf_instance(inst_id)
self.assertEqual(404, resp.status_code)
# check usageState of VNF Package
usage_state = self.get_vnf_package(self.vnf_pkg_1).get('usageState')
self.assertEqual('NOT_IN_USE', usage_state)
def test_basic_lcms_min(self):
"""Test LCM operations with all attributes set
* About attributes:
Omit except for required attributes.
Only the following cardinality attributes are set.
- 1
- 1..N (1)
* About LCM operations:
This test includes the following operations.
- 1. Create a new VNF instance resource
- 2. Instantiate a VNF instance
- 3. Show VNF instance
- 4. Terminate a VNF instance
- 5. Delete a VNF instance
"""
# 1. Create a new VNF instance resource
# NOTE: extensions and vnfConfigurableProperties are omitted
# because they are commented out in etsi_nfv_sol001.
expected_inst_attrs = [
'id',
'vnfInstanceName',
'vnfInstanceDescription',
'vnfdId',
'vnfProvider',
'vnfProductName',
'vnfSoftwareVersion',
'vnfdVersion',
# 'vnfConfigurableProperties', # omitted
# 'vimConnectionInfo', # omitted
'instantiationState',
# 'instantiatedVnfInfo', # omitted
'metadata',
# 'extensions', # omitted
'_links'
]
create_req = paramgen.test_instantiate_cnf_resources_create(
self.vnfd_id_1)
resp, body = self.create_vnf_instance(create_req)
self.assertEqual(201, resp.status_code)
self.check_resp_headers_in_create(resp)
self.check_resp_body(body, expected_inst_attrs)
inst_id = body['id']
# check usageState of VNF Package
usage_state = self.get_vnf_package(self.vnf_pkg_1)['usageState']
self.assertEqual('IN_USE', usage_state)
# 2. Instantiate a VNF instance
vim_id = self.get_k8s_vim_id()
instantiate_req = paramgen.min_sample_instantiate(vim_id)
resp, body = self.instantiate_vnf_instance(inst_id, instantiate_req)
self.assertEqual(202, resp.status_code)
self.check_resp_headers_in_operation_task(resp)
lcmocc_id = os.path.basename(resp.headers['Location'])
self.wait_lcmocc_complete(lcmocc_id)
# 3. Show VNF instance
additional_inst_attrs = [
'vimConnectionInfo',
'instantiatedVnfInfo'
]
expected_inst_attrs.extend(additional_inst_attrs)
resp, body = self.show_vnf_instance(inst_id)
self.assertEqual(200, resp.status_code)
self.check_resp_headers_in_get(resp)
self.check_resp_body(body, expected_inst_attrs)
# check vnfc_resource_info
vnfc_resource_infos = body['instantiatedVnfInfo'].get(
'vnfcResourceInfo')
self.assertEqual(1, len(vnfc_resource_infos))
# 4. Terminate a VNF instance
terminate_req = paramgen.max_sample_terminate()
resp, body = self.terminate_vnf_instance(inst_id, terminate_req)
self.assertEqual(202, resp.status_code)
self.check_resp_headers_in_operation_task(resp)
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(3)
# 5. Delete a VNF instance
resp, body = self.delete_vnf_instance(inst_id)
self.assertEqual(204, resp.status_code)
self.check_resp_headers_in_delete(resp)
# check deletion of VNF instance
resp, body = self.show_vnf_instance(inst_id)
self.assertEqual(404, resp.status_code)
# check usageState of VNF Package
usage_state = self.get_vnf_package(self.vnf_pkg_1).get('usageState')
self.assertEqual('NOT_IN_USE', usage_state)
def _put_fail_file(self, operation):
with open(f'/tmp/{operation}', 'w'):
pass
def _rm_fail_file(self, operation):
os.remove(f'/tmp/{operation}')
def test_instantiate_rollback(self):
"""Test LCM 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 => FAILED_TEMP
- 3. Show VNF instance
- 4. Rollback instantiate
- 5. Show VNF instance
- 6. Delete a VNF instance
"""
# 1. Create a new VNF instance resource
create_req = paramgen.test_instantiate_cnf_resources_create(
self.vnfd_id_1)
resp, body = self.create_vnf_instance(create_req)
self.assertEqual(201, resp.status_code)
self.check_resp_headers_in_create(resp)
inst_id = body['id']
# 2. Instantiate a VNF instance
self._put_fail_file('instantiate_end')
instantiate_req = paramgen.error_handling_instantiate(
self.auth_url, self.bearer_token)
resp, body = self.instantiate_vnf_instance(inst_id, instantiate_req)
self.assertEqual(202, resp.status_code)
self.check_resp_headers_in_operation_task(resp)
lcmocc_id = os.path.basename(resp.headers['Location'])
self.wait_lcmocc_failed_temp(lcmocc_id)
self._rm_fail_file('instantiate_end')
# 3. Show VNF instance
resp, body = self.show_vnf_instance(inst_id)
self.assertEqual(200, resp.status_code)
self.check_resp_headers_in_get(resp)
self.assertEqual('NOT_INSTANTIATED', body['instantiationState'])
# 4. Rollback instantiate
resp, body = self.rollback_lcmocc(lcmocc_id)
self.assertEqual(202, resp.status_code)
self.wait_lcmocc_rolled_back(lcmocc_id)
# 5. Show VNF instance
resp, body = self.show_vnf_instance(inst_id)
self.assertEqual(200, resp.status_code)
self.check_resp_headers_in_get(resp)
self.assertEqual('NOT_INSTANTIATED', body['instantiationState'])
# 6. Delete a VNF instance
resp, body = self.delete_vnf_instance(inst_id)
self.assertEqual(204, resp.status_code)
self.check_resp_headers_in_delete(resp)
def test_scale_out_rollback(self):
"""Test LCM 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. Show VNF instance
- 4. Scale out ==> FAILED_TEMP
- 5. Rollback
- 5. Show VNF instance
- 6. Terminate a VNF instance
- 7. Delete a VNF instance
"""
# 1. Create a new VNF instance resource
create_req = paramgen.test_instantiate_cnf_resources_create(
self.vnfd_id_1)
resp, body = self.create_vnf_instance(create_req)
self.assertEqual(201, resp.status_code)
self.check_resp_headers_in_create(resp)
inst_id = body['id']
# 2. Instantiate a VNF instance
instantiate_req = paramgen.error_handling_instantiate(
self.auth_url, self.bearer_token)
resp, body = self.instantiate_vnf_instance(inst_id, instantiate_req)
self.assertEqual(202, resp.status_code)
self.check_resp_headers_in_operation_task(resp)
lcmocc_id = os.path.basename(resp.headers['Location'])
self.wait_lcmocc_complete(lcmocc_id)
# 3. Show VNF instance
resp, body = self.show_vnf_instance(inst_id)
self.assertEqual(200, resp.status_code)
self.check_resp_headers_in_get(resp)
vnfc_resource_infos = body['instantiatedVnfInfo']['vnfcResourceInfo']
vdu2_ids_0 = {vnfc_info['id'] for vnfc_info in vnfc_resource_infos
if vnfc_info['vduId'] == 'VDU2'}
self.assertEqual(2, len(vdu2_ids_0))
# 4. Scale out a VNF instance
self._put_fail_file('scale_end')
scale_out_req = paramgen.error_handling_scale_out()
resp, body = self.scale_vnf_instance(inst_id, scale_out_req)
self.assertEqual(202, resp.status_code)
self.check_resp_headers_in_operation_task(resp)
lcmocc_id = os.path.basename(resp.headers['Location'])
self.wait_lcmocc_failed_temp(lcmocc_id)
self._rm_fail_file('scale_end')
# 5. Rollback instantiate
resp, body = self.rollback_lcmocc(lcmocc_id)
self.assertEqual(202, resp.status_code)
self.wait_lcmocc_rolled_back(lcmocc_id)
# 6. Show VNF instance
resp, body = self.show_vnf_instance(inst_id)
self.assertEqual(200, resp.status_code)
self.check_resp_headers_in_get(resp)
vnfc_resource_infos = body['instantiatedVnfInfo']['vnfcResourceInfo']
vdu2_ids_1 = {vnfc_info['id'] for vnfc_info in vnfc_resource_infos
if vnfc_info['vduId'] == 'VDU2'}
self.assertEqual(vdu2_ids_0, vdu2_ids_1)
# 7. Terminate a VNF instance
terminate_req = paramgen.error_handling_terminate()
resp, body = self.terminate_vnf_instance(inst_id, terminate_req)
self.assertEqual(202, resp.status_code)
self.check_resp_headers_in_operation_task(resp)
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(3)
# 8. Delete a VNF instance
resp, body = self.delete_vnf_instance(inst_id)
self.assertEqual(204, resp.status_code)
self.check_resp_headers_in_delete(resp)