495 lines
19 KiB
Python
495 lines
19 KiB
Python
# Copyright (C) 2022 FUJITSU
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# All Rights Reserved.
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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 ddt
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import os
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import time
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from tacker.tests.functional.sol_kubernetes_v2 import base_v2
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from tacker.tests.functional.sol_kubernetes_v2 import paramgen
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@ddt.ddt
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class VnfLcmKubernetesTest(base_v2.BaseVnfLcmKubernetesV2Test):
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@classmethod
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def setUpClass(cls):
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super(VnfLcmKubernetesTest, cls).setUpClass()
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cur_dir = os.path.dirname(__file__)
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test_instantiate_cnf_resources_path = os.path.join(
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cur_dir, "samples/test_instantiate_cnf_resources")
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cls.vnf_pkg_1, cls.vnfd_id_1 = cls.create_vnf_package(
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test_instantiate_cnf_resources_path)
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@classmethod
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def tearDownClass(cls):
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super(VnfLcmKubernetesTest, cls).tearDownClass()
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cls.delete_vnf_package(cls.vnf_pkg_1)
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def setUp(self):
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super(VnfLcmKubernetesTest, self).setUp()
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def test_basic_lcms_max(self):
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"""Test LCM operations with all attributes set
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* About attributes:
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All of the following cardinality attributes are set.
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In addition, 0..N or 1..N attributes are set to 2 or more.
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- 0..1 (1)
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- 0..N (2 or more)
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- 1
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- 1..N (2 or more)
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* About LCM operations:
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This test includes the following operations.
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- 1. Create a new VNF instance resource
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- 2. Instantiate a VNF instance
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- 3. Show VNF instance
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- 4. Scale out a VNF instance
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- 5. Show VNF instance
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- 6. Scale in a VNF instance
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- 7. Show VNF instance
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- 8. Heal in a VNF instance
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- 9. Show VNF instance
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- 10. Terminate a VNF instance
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- 11. Delete a VNF instance
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"""
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# 1. Create a new VNF instance resource
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# NOTE: extensions and vnfConfigurableProperties are omitted
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# because they are commented out in etsi_nfv_sol001.
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expected_inst_attrs = [
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'id',
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'vnfInstanceName',
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'vnfInstanceDescription',
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'vnfdId',
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'vnfProvider',
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'vnfProductName',
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'vnfSoftwareVersion',
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'vnfdVersion',
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# 'vnfConfigurableProperties', # omitted
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# 'vimConnectionInfo', # omitted
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'instantiationState',
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# 'instantiatedVnfInfo', # omitted
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'metadata',
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# 'extensions', # omitted
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'_links'
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]
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create_req = paramgen.test_instantiate_cnf_resources_create(
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self.vnfd_id_1)
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resp, body = self.create_vnf_instance(create_req)
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self.assertEqual(201, resp.status_code)
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self.check_resp_headers_in_create(resp)
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self.check_resp_body(body, expected_inst_attrs)
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inst_id = body['id']
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# check usageState of VNF Package
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usage_state = self.get_vnf_package(self.vnf_pkg_1)['usageState']
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self.assertEqual('IN_USE', usage_state)
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# 2. Instantiate a VNF instance
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instantiate_req = paramgen.max_sample_instantiate(
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self.auth_url, self.bearer_token, ssl_ca_cert=self.ssl_ca_cert)
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resp, body = self.instantiate_vnf_instance(inst_id, instantiate_req)
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self.assertEqual(202, resp.status_code)
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self.check_resp_headers_in_operation_task(resp)
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lcmocc_id = os.path.basename(resp.headers['Location'])
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self.wait_lcmocc_complete(lcmocc_id)
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# 3. Show VNF instance
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additional_inst_attrs = [
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'vimConnectionInfo',
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'instantiatedVnfInfo'
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]
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expected_inst_attrs.extend(additional_inst_attrs)
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resp, body = self.show_vnf_instance(inst_id)
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self.assertEqual(200, resp.status_code)
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self.check_resp_headers_in_get(resp)
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self.check_resp_body(body, expected_inst_attrs)
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# check vnfc_resource_info
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vnfc_resource_infos = body['instantiatedVnfInfo']['vnfcResourceInfo']
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vdu_nums = {'VDU1': 0, 'VDU2': 0, 'VDU3': 0, 'VDU5': 0, 'VDU6': 0}
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for vnfc_info in vnfc_resource_infos:
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if vnfc_info['vduId'] == 'VDU1':
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self.assertEqual('Pod', vnfc_info[
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'computeResource']['vimLevelResourceType'])
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vdu_nums['VDU1'] += 1
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elif vnfc_info['vduId'] == 'VDU2':
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self.assertEqual('Deployment', vnfc_info[
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'computeResource']['vimLevelResourceType'])
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vdu_nums['VDU2'] += 1
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elif vnfc_info['vduId'] == 'VDU3':
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self.assertEqual('ReplicaSet', vnfc_info[
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'computeResource']['vimLevelResourceType'])
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vdu_nums['VDU3'] += 1
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elif vnfc_info['vduId'] == 'VDU5':
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self.assertEqual('StatefulSet', vnfc_info[
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'computeResource']['vimLevelResourceType'])
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vdu_nums['VDU5'] += 1
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elif vnfc_info['vduId'] == 'VDU6':
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self.assertEqual('DaemonSet', vnfc_info[
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'computeResource']['vimLevelResourceType'])
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vdu_nums['VDU6'] += 1
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expected = {'VDU1': 1, 'VDU2': 2, 'VDU3': 1, 'VDU5': 1, 'VDU6': 1}
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self.assertEqual(expected, vdu_nums)
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# 4. Scale out a VNF instance
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scale_out_req = paramgen.max_sample_scale_out()
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resp, body = self.scale_vnf_instance(inst_id, scale_out_req)
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self.assertEqual(202, resp.status_code)
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self.check_resp_headers_in_operation_task(resp)
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lcmocc_id = os.path.basename(resp.headers['Location'])
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self.wait_lcmocc_complete(lcmocc_id)
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# 5. Show VNF instance
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resp, body = self.show_vnf_instance(inst_id)
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self.assertEqual(200, resp.status_code)
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self.check_resp_headers_in_get(resp)
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# check vnfc_resource_info
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vnfc_resource_infos = body['instantiatedVnfInfo']['vnfcResourceInfo']
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vdu3_infos = [vnfc_info for vnfc_info in vnfc_resource_infos
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if vnfc_info['vduId'] == 'VDU3']
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self.assertEqual(3, len(vdu3_infos))
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# 6. Scale in a VNF instance
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scale_in_req = paramgen.max_sample_scale_in()
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resp, body = self.scale_vnf_instance(inst_id, scale_in_req)
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self.assertEqual(202, resp.status_code)
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self.check_resp_headers_in_operation_task(resp)
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lcmocc_id = os.path.basename(resp.headers['Location'])
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self.wait_lcmocc_complete(lcmocc_id)
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# 7. Show VNF instance
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resp, body = self.show_vnf_instance(inst_id)
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self.assertEqual(200, resp.status_code)
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self.check_resp_headers_in_get(resp)
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# check vnfc_resource_info
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vnfc_resource_infos = body['instantiatedVnfInfo']['vnfcResourceInfo']
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vdu3_infos = [vnfc_info for vnfc_info in vnfc_resource_infos
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if vnfc_info['vduId'] == 'VDU3']
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self.assertEqual(2, len(vdu3_infos))
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# 8. Heal a VNF instance
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vnfc_infos = body['instantiatedVnfInfo']['vnfcInfo']
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vdu2_ids = [vnfc_info['id'] for vnfc_info in vnfc_infos
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if vnfc_info['vduId'] == 'VDU2']
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target = [vdu2_ids[0]]
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heal_req = paramgen.max_sample_heal(target)
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resp, body = self.heal_vnf_instance(inst_id, heal_req)
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self.assertEqual(202, resp.status_code)
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self.check_resp_headers_in_operation_task(resp)
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lcmocc_id = os.path.basename(resp.headers['Location'])
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self.wait_lcmocc_complete(lcmocc_id)
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# 9. Show VNF instance
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resp, body = self.show_vnf_instance(inst_id)
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self.assertEqual(200, resp.status_code)
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self.check_resp_headers_in_get(resp)
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# check vnfc_resource_info
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vnfc_infos = body['instantiatedVnfInfo']['vnfcInfo']
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result_vdu2_ids = [vnfc_info['id'] for vnfc_info in vnfc_infos
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if vnfc_info['vduId'] == 'VDU2']
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self.assertEqual(2, len(result_vdu2_ids))
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self.assertNotIn(vdu2_ids[0], result_vdu2_ids)
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self.assertIn(vdu2_ids[1], result_vdu2_ids)
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# 10. Terminate a VNF instance
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terminate_req = paramgen.max_sample_terminate()
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resp, body = self.terminate_vnf_instance(inst_id, terminate_req)
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self.assertEqual(202, resp.status_code)
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self.check_resp_headers_in_operation_task(resp)
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lcmocc_id = os.path.basename(resp.headers['Location'])
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self.wait_lcmocc_complete(lcmocc_id)
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# wait a bit because there is a bit time lag between lcmocc DB
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# update and terminate completion.
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time.sleep(3)
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# 11. Delete a VNF instance
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resp, body = self.delete_vnf_instance(inst_id)
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self.assertEqual(204, resp.status_code)
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self.check_resp_headers_in_delete(resp)
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# check deletion of VNF instance
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resp, body = self.show_vnf_instance(inst_id)
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self.assertEqual(404, resp.status_code)
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# check usageState of VNF Package
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usage_state = self.get_vnf_package(self.vnf_pkg_1).get('usageState')
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self.assertEqual('NOT_IN_USE', usage_state)
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def test_basic_lcms_min(self):
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"""Test LCM operations with all attributes set
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* About attributes:
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Omit except for required attributes.
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Only the following cardinality attributes are set.
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- 1
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- 1..N (1)
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* About LCM operations:
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This test includes the following operations.
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- 1. Create a new VNF instance resource
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- 2. Instantiate a VNF instance
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- 3. Show VNF instance
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- 4. Terminate a VNF instance
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- 5. Delete a VNF instance
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"""
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# 1. Create a new VNF instance resource
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# NOTE: extensions and vnfConfigurableProperties are omitted
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# because they are commented out in etsi_nfv_sol001.
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expected_inst_attrs = [
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'id',
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'vnfInstanceName',
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'vnfInstanceDescription',
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'vnfdId',
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'vnfProvider',
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'vnfProductName',
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'vnfSoftwareVersion',
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'vnfdVersion',
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# 'vnfConfigurableProperties', # omitted
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# 'vimConnectionInfo', # omitted
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'instantiationState',
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# 'instantiatedVnfInfo', # omitted
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'metadata',
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# 'extensions', # omitted
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'_links'
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]
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create_req = paramgen.test_instantiate_cnf_resources_create(
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self.vnfd_id_1)
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resp, body = self.create_vnf_instance(create_req)
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self.assertEqual(201, resp.status_code)
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self.check_resp_headers_in_create(resp)
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self.check_resp_body(body, expected_inst_attrs)
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inst_id = body['id']
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# check usageState of VNF Package
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usage_state = self.get_vnf_package(self.vnf_pkg_1)['usageState']
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self.assertEqual('IN_USE', usage_state)
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# 2. Instantiate a VNF instance
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vim_id = self.get_k8s_vim_id()
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instantiate_req = paramgen.min_sample_instantiate(vim_id)
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resp, body = self.instantiate_vnf_instance(inst_id, instantiate_req)
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self.assertEqual(202, resp.status_code)
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self.check_resp_headers_in_operation_task(resp)
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lcmocc_id = os.path.basename(resp.headers['Location'])
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self.wait_lcmocc_complete(lcmocc_id)
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# 3. Show VNF instance
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additional_inst_attrs = [
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'vimConnectionInfo',
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'instantiatedVnfInfo'
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]
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expected_inst_attrs.extend(additional_inst_attrs)
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resp, body = self.show_vnf_instance(inst_id)
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self.assertEqual(200, resp.status_code)
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self.check_resp_headers_in_get(resp)
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self.check_resp_body(body, expected_inst_attrs)
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# check vnfc_resource_info
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vnfc_resource_infos = body['instantiatedVnfInfo'].get(
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'vnfcResourceInfo')
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self.assertEqual(1, len(vnfc_resource_infos))
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# 4. Terminate a VNF instance
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terminate_req = paramgen.max_sample_terminate()
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resp, body = self.terminate_vnf_instance(inst_id, terminate_req)
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self.assertEqual(202, resp.status_code)
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self.check_resp_headers_in_operation_task(resp)
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lcmocc_id = os.path.basename(resp.headers['Location'])
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self.wait_lcmocc_complete(lcmocc_id)
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# wait a bit because there is a bit time lag between lcmocc DB
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# update and terminate completion.
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time.sleep(3)
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# 5. Delete a VNF instance
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resp, body = self.delete_vnf_instance(inst_id)
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self.assertEqual(204, resp.status_code)
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self.check_resp_headers_in_delete(resp)
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# check deletion of VNF instance
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resp, body = self.show_vnf_instance(inst_id)
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self.assertEqual(404, resp.status_code)
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# check usageState of VNF Package
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usage_state = self.get_vnf_package(self.vnf_pkg_1).get('usageState')
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self.assertEqual('NOT_IN_USE', usage_state)
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def _put_fail_file(self, operation):
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with open(f'/tmp/{operation}', 'w'):
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pass
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def _rm_fail_file(self, operation):
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os.remove(f'/tmp/{operation}')
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def test_instantiate_rollback(self):
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"""Test LCM operations with all attributes set
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* About LCM operations:
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This test includes the following operations.
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- 1. Create a new VNF instance resource
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- 2. Instantiate a VNF instance => FAILED_TEMP
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- 3. Show VNF instance
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- 4. Rollback instantiate
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- 5. Show VNF instance
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- 6. Delete a VNF instance
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"""
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# 1. Create a new VNF instance resource
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create_req = paramgen.test_instantiate_cnf_resources_create(
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self.vnfd_id_1)
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resp, body = self.create_vnf_instance(create_req)
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self.assertEqual(201, resp.status_code)
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self.check_resp_headers_in_create(resp)
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inst_id = body['id']
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# 2. Instantiate a VNF instance
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self._put_fail_file('instantiate_end')
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instantiate_req = paramgen.error_handling_instantiate(
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self.auth_url, self.bearer_token)
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resp, body = self.instantiate_vnf_instance(inst_id, instantiate_req)
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self.assertEqual(202, resp.status_code)
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self.check_resp_headers_in_operation_task(resp)
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lcmocc_id = os.path.basename(resp.headers['Location'])
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self.wait_lcmocc_failed_temp(lcmocc_id)
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self._rm_fail_file('instantiate_end')
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# 3. Show VNF instance
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resp, body = self.show_vnf_instance(inst_id)
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self.assertEqual(200, resp.status_code)
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self.check_resp_headers_in_get(resp)
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self.assertEqual('NOT_INSTANTIATED', body['instantiationState'])
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# 4. Rollback instantiate
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resp, body = self.rollback_lcmocc(lcmocc_id)
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self.assertEqual(202, resp.status_code)
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self.wait_lcmocc_rolled_back(lcmocc_id)
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# 5. Show VNF instance
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resp, body = self.show_vnf_instance(inst_id)
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self.assertEqual(200, resp.status_code)
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self.check_resp_headers_in_get(resp)
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self.assertEqual('NOT_INSTANTIATED', body['instantiationState'])
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# 6. Delete a VNF instance
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resp, body = self.delete_vnf_instance(inst_id)
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self.assertEqual(204, resp.status_code)
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self.check_resp_headers_in_delete(resp)
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def test_scale_out_rollback(self):
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"""Test LCM operations with all attributes set
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* About LCM operations:
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This test includes the following operations.
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- 1. Create a new VNF instance resource
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- 2. Instantiate a VNF instance
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- 3. Show VNF instance
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- 4. Scale out ==> FAILED_TEMP
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- 5. Rollback
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- 5. Show VNF instance
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- 6. Terminate a VNF instance
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- 7. Delete a VNF instance
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"""
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# 1. Create a new VNF instance resource
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create_req = paramgen.test_instantiate_cnf_resources_create(
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self.vnfd_id_1)
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resp, body = self.create_vnf_instance(create_req)
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self.assertEqual(201, resp.status_code)
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self.check_resp_headers_in_create(resp)
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inst_id = body['id']
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# 2. Instantiate a VNF instance
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instantiate_req = paramgen.error_handling_instantiate(
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self.auth_url, self.bearer_token)
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resp, body = self.instantiate_vnf_instance(inst_id, instantiate_req)
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self.assertEqual(202, resp.status_code)
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self.check_resp_headers_in_operation_task(resp)
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lcmocc_id = os.path.basename(resp.headers['Location'])
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self.wait_lcmocc_complete(lcmocc_id)
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# 3. Show VNF instance
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resp, body = self.show_vnf_instance(inst_id)
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self.assertEqual(200, resp.status_code)
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self.check_resp_headers_in_get(resp)
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vnfc_resource_infos = body['instantiatedVnfInfo']['vnfcResourceInfo']
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vdu2_ids_0 = {vnfc_info['id'] for vnfc_info in vnfc_resource_infos
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if vnfc_info['vduId'] == 'VDU2'}
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self.assertEqual(2, len(vdu2_ids_0))
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# 4. Scale out a VNF instance
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self._put_fail_file('scale_end')
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scale_out_req = paramgen.error_handling_scale_out()
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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)
|