lcm/ns/tests/test_ns_manual_scale.py

   1 # Copyright 2017 ZTE Corporation.
   2 #
   3 # Licensed under the Apache License, Version 2.0 (the "License");
   4 # you may not use this file except in compliance with the License.
   5 # You may obtain a copy of the License at
   6 #
   7 #         http://www.apache.org/licenses/LICENSE-2.0
   8 #
   9 # Unless required by applicable law or agreed to in writing, software
  10 # distributed under the License is distributed on an "AS IS" BASIS,
  11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12 # See the License for the specific language governing permissions and
  13 # limitations under the License.
  14
  15 import uuid
  16 import os
  17 import mock
  18 from django.test import Client
  19 from django.test import TestCase
  20 from rest_framework import status
  21 from lcm.ns.const import NS_INST_STATUS
  22 from lcm.ns.ns_manual_scale import NSManualScaleService
  23 from lcm.pub.database.models import NSInstModel, JobModel, NfInstModel
  24 from lcm.pub.exceptions import NSLCMException
  25 from lcm.pub.utils import restcall
  26 from lcm.pub.utils.jobutil import JobUtil, JOB_TYPE, JOB_MODEL_STATUS
  27 from lcm.pub.msapi import catalog
  28 from lcm.pub.utils.scaleaspect import get_json_data
  29
  30
  31 SCALING_JSON = {
  32     "scale_options": [
  33         {
  34             "nsd_id": "ns_ims",
  35             "ns_scale_aspect": "TIC_CORE_IMS",
  36             "ns_scale_info": [
  37                 {
  38                     "step": "1",
  39                     "scale_list": [
  40                         {
  41                             "vnfd_id": "zte_ims_cscf",
  42                             "vnf_scale_aspect": "mpu",
  43                             "numberOfSteps": "1"
  44                         },
  45                         {
  46                             "vnfd_id": "zte_ims_hss",
  47                             "vnf_scale_aspect": "fpu",
  48                             "numberOfSteps": "3"
  49                         }
  50                     ]
  51                 },
  52                 {
  53                     "step": "2",
  54                     "scale_list": [
  55                         {
  56                             "vnfd_id": "zte_ims_cscf",
  57                             "vnf_scale_aspect": "mpu",
  58                             "numberOfSteps": "2"
  59                         },
  60                         {
  61                             "vnfd_id": "zte_ims_hss",
  62                             "vnf_scale_aspect": "fpu",
  63                             "numberOfSteps": "6"
  64                         }
  65                     ]
  66                 }
  67             ]
  68         },
  69         {
  70             "nsd_id": "ns_epc",
  71             "ns_scale_aspect": "TIC_EDGE_EPC",
  72             "ns_scale_info": [
  73                 {
  74                     "step": "1",
  75                     "scale_list": [
  76                         {
  77                             "vnfd_id": "zte_epc_spgw",
  78                             "vnf_scale_aspect": "gpu",
  79                             "numberOfSteps": "1"
  80                         },
  81                         {
  82                             "vnfd_id": "zte_epc_tas",
  83                             "vnf_scale_aspect": "fpu",
  84                             "numberOfSteps": "2"
  85                         }
  86                     ]
  87                 },
  88                 {
  89                     "step": "2",
  90                     "scale_list": [
  91                         {
  92                             "vnfd_id": "zte_epc_spgw",
  93                             "vnf_scale_aspect": "mpu",
  94                             "numberOfSteps": "2"
  95                         },
  96                         {
  97                             "vnfd_id": "zte_epc_tas",
  98                             "vnf_scale_aspect": "fpu",
  99                             "numberOfSteps": "4"
 100                         }
 101                     ]
 102                 }
 103             ]
 104         }
 105     ]
 106 }
 107
 108
 109 class TestNsManualScale(TestCase):
 110     def setUp(self):
 111         self.ns_inst_id = str(uuid.uuid4())
 112         self.job_id = JobUtil.create_job(
 113             "NS", JOB_TYPE.MANUAL_SCALE_VNF, self.ns_inst_id)
 114         self.package_id = "7"
 115         self.client = Client()
 116         NSInstModel(
 117             id=self.ns_inst_id,
 118             name="abc",
 119             nspackage_id=self.package_id,
 120             nsd_id="111").save()
 121
 122         self.init_scaling_map_json()
 123
 124     def tearDown(self):
 125         NSInstModel.objects.filter().delete()
 126         JobModel.objects.filter().delete()
 127
 128     def init_scaling_map_json(self):
 129         curdir_path = os.path.dirname(
 130             os.path.dirname(
 131                 os.path.dirname(
 132                     os.path.abspath(__file__))))
 133         filename = curdir_path + "/ns/data/scalemapping.json"
 134         self.scaling_map_json = get_json_data(filename)
 135
 136     def insert_new_ns(self):
 137         ns_inst_id = str(uuid.uuid4())
 138         job_id = JobUtil.create_job(
 139             "NS", JOB_TYPE.MANUAL_SCALE_VNF, self.ns_inst_id)
 140         package_id = "23"
 141         NSInstModel(
 142             id=ns_inst_id,
 143             name="abc",
 144             nspackage_id=package_id,
 145             nsd_id=package_id).save()
 146         return ns_inst_id, job_id
 147
 148     def insert_new_nf(self):
 149         # Create a third vnf instance
 150         self.nf_name = "name_1"
 151         self.vnf_id = "1"
 152         self.vnfm_inst_id = "1"
 153         nf_inst_id = "233"
 154         package_id = "nf_zte_hss"
 155         nf_uuid = "ab34-3g5j-de13-ab85-ij93"
 156
 157         NfInstModel.objects.create(
 158             nfinstid=nf_inst_id,
 159             nf_name=self.nf_name,
 160             vnf_id=self.vnf_id,
 161             vnfm_inst_id=self.vnfm_inst_id,
 162             ns_inst_id=self.ns_inst_id,
 163             max_cpu='14',
 164             max_ram='12296',
 165             max_hd='101',
 166             max_shd="20",
 167             max_net=10,
 168             status='active',
 169             mnfinstid=nf_uuid,
 170             package_id=package_id,
 171             vnfd_model='{"metadata": {"vnfdId": "1","vnfdName": "PGW001",'
 172                        '"vnfProvider": "zte","vnfdVersion": "V00001","vnfVersion": "V5.10.20",'
 173                        '"productType": "CN","vnfType": "PGW",'
 174                        '"description": "PGW VNFD description",'
 175                        '"isShared":true,"vnfExtendType":"driver"}}')
 176
 177     @mock.patch.object(NSManualScaleService, 'run')
 178     def test_ns_manual_scale(self, mock_run):
 179         data = {
 180             "scaleType": "SCALE_NS",
 181             "scaleNsData": [{
 182                 "scaleNsByStepsData": [{
 183                     "aspectId": "1",
 184                     "numberOfSteps": 1,
 185                     "scalingDirection": "0"
 186                 }]
 187             }]
 188         }
 189         response = self.client.post(
 190             "/api/nslcm/v1/ns/%s/scale" %
 191             self.ns_inst_id, data=data)
 192         self.failUnlessEqual(status.HTTP_202_ACCEPTED, response.status_code)
 193
 194     def test_ns_manual_scale_error_scaletype(self):
 195         data = {
 196             "scaleType": "SCALE_ERR",
 197             "scaleNsData": [{
 198                 "scaleNsByStepsData": [{
 199                     "aspectId": "sss_zte",
 200                     "numberOfSteps": 1,
 201                     "scalingDirection": "0"
 202                 }]
 203             }]
 204         }
 205         NSManualScaleService(self.ns_inst_id, data, self.job_id).run()
 206         jobs = JobModel.objects.filter(jobid=self.job_id)
 207         self.assertEqual(255, jobs[0].progress)
 208
 209     def test_ns_manual_scale_error_nsd_id(self):
 210         data = {
 211             "scaleType": "SCALE_NS",
 212             "scaleNsData": [{
 213                 "scaleNsByStepsData": [{
 214                     "aspectId": "sss_zte",
 215                     "numberOfSteps": 1,
 216                     "scalingDirection": "0"
 217                 }]
 218             }]
 219         }
 220         NSManualScaleService(self.ns_inst_id, data, self.job_id).run()
 221         jobs = JobModel.objects.filter(jobid=self.job_id)
 222         self.assertEqual(255, jobs[0].progress)
 223
 224     def test_ns_manual_scale_error_aspect(self):
 225         data = {
 226             "scaleType": "SCALE_NS",
 227             "scaleNsData": [{
 228                 "scaleNsByStepsData": [{
 229                     "aspectId": "sss_zte",
 230                     "numberOfSteps": 1,
 231                     "scalingDirection": "0"
 232                 }]
 233             }]
 234         }
 235         ns_inst_id, job_id = self.insert_new_ns()
 236         job_id = JobUtil.create_job(
 237             "NS", JOB_TYPE.MANUAL_SCALE_VNF, ns_inst_id)
 238         NSManualScaleService(ns_inst_id, data, job_id).run()
 239         jobs = JobModel.objects.filter(jobid=job_id)
 240         self.assertEqual(255, jobs[0].progress)
 241
 242     @mock.patch.object(catalog, 'get_scalingmap_json_package')
 243     @mock.patch.object(NSManualScaleService, 'do_vnfs_scale')
 244     def test_ns_manual_scale_success(self, mock_do_vnfs_scale, mock_get_scalingmap_json_package):
 245         data = {
 246             "scaleType": "SCALE_NS",
 247             "scaleNsData": [{
 248                 "scaleNsByStepsData": [{
 249                     "aspectId": "TIC_EDGE_IMS",
 250                     "numberOfSteps": "1",
 251                     "scalingDirection": "0"
 252                 }]
 253             }]
 254         }
 255         mock_get_scalingmap_json_package.return_value = self.scaling_map_json
 256         mock_do_vnfs_scale.return_value = JOB_MODEL_STATUS.FINISHED
 257         ns_inst_id, job_id = self.insert_new_ns()
 258         job_id = JobUtil.create_job(
 259             "NS", JOB_TYPE.MANUAL_SCALE_VNF, ns_inst_id)
 260         self.insert_new_nf()
 261         NSManualScaleService(ns_inst_id, data, job_id).run()
 262         jobs = JobModel.objects.filter(jobid=job_id)
 263         self.assertEqual(255, jobs[0].progress)
 264
 265     @mock.patch.object(restcall, 'call_req')
 266     def test_ns_manual_scale_thread(self, mock_call):
 267         data = {
 268             "scaleType": "SCALE_NS",
 269             "scaleNsData": [{
 270                 "scaleNsByStepsData": [{
 271                     "aspectId": "1",
 272                     "numberOfSteps": 1,
 273                     "scalingDirection": "0"
 274                 }]
 275             }]
 276         }
 277         NSManualScaleService(self.ns_inst_id, data, self.job_id).run()
 278         self.assertTrue(
 279             NSInstModel.objects.get(
 280                 id=self.ns_inst_id).status,
 281             NS_INST_STATUS.ACTIVE)
 282
 283     def test_swagger_ok(self):
 284         resp = self.client.get("/api/nslcm/v1/swagger.json", format='json')
 285         self.assertEqual(resp.status_code, status.HTTP_200_OK)
 286
 287     @mock.patch.object(NSManualScaleService, 'start')
 288     def test_ns_manual_scale_empty_data(self, mock_start):
 289         mock_start.side_effect = NSLCMException("NS scale failed.")
 290         response = self.client.post(
 291             "/api/nslcm/v1/ns/%s/scale" %
 292             self.ns_inst_id, data={})
 293         self.assertEqual(
 294             response.status_code,
 295             status.HTTP_500_INTERNAL_SERVER_ERROR)
 296         self.assertIn("error", response.data)
 297
 298     @mock.patch.object(NSManualScaleService, 'start')
 299     def test_ns_manual_scale_when_ns_not_exist(self, mock_start):
 300         mock_start.side_effect = NSLCMException("NS scale failed.")
 301         data = {
 302             "scaleType": "SCALE_NS",
 303             "scaleNsData": [{
 304                 "scaleNsByStepsData": [{
 305                     "aspectId": "1",
 306                     "numberOfSteps": 1,
 307                     "scalingDirection": "0"
 308                 }]
 309             }]
 310         }
 311         response = self.client.post("/api/nslcm/v1/ns/11/scale", data=data)
 312         self.assertEqual(
 313             response.status_code,
 314             status.HTTP_500_INTERNAL_SERVER_ERROR)
 315         self.assertIn("error", response.data)