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
  17 import mock
  18 from django.test import Client
  19 from django.test import TestCase
  20 from rest_framework import status
  21
  22 from lcm.ns.const import NS_INST_STATUS
  23 from lcm.ns.ns_manual_scale import NSManualScaleService
  24 from lcm.pub.database.models import NSInstModel
  25 from lcm.pub.exceptions import NSLCMException
  26 from lcm.pub.utils import restcall
  27 from lcm.pub.utils.jobutil import JobUtil, JOB_TYPE
  28
  29
  30 SCALING_JSON = {
  31     "scale_options": [
  32         {
  33             "nsd_id": "ns_ims",
  34             "ns_scale_aspect": "TIC_CORE_IMS",
  35             "ns_scale_info": [
  36                 {
  37                     "step": "1",
  38                     "scale_list": [
  39                         {
  40                             "vnfd_id": "zte_ims_cscf",
  41                             "vnf_scale_aspect": "mpu",
  42                             "numberOfSteps": "1"
  43                         },
  44                         {
  45                             "vnfd_id": "zte_ims_hss",
  46                             "vnf_scale_aspect": "fpu",
  47                             "numberOfSteps": "3"
  48                         }
  49                     ]
  50                 },
  51                 {
  52                     "step": "2",
  53                     "scale_list": [
  54                         {
  55                             "vnfd_id": "zte_ims_cscf",
  56                             "vnf_scale_aspect": "mpu",
  57                             "numberOfSteps": "2"
  58                         },
  59                         {
  60                             "vnfd_id": "zte_ims_hss",
  61                             "vnf_scale_aspect": "fpu",
  62                             "numberOfSteps": "6"
  63                         }
  64                     ]
  65                 }
  66             ]
  67         },
  68         {
  69             "nsd_id": "ns_epc",
  70             "ns_scale_aspect": "TIC_EDGE_EPC",
  71             "ns_scale_info": [
  72                 {
  73                     "step": "1",
  74                     "scale_list": [
  75                         {
  76                             "vnfd_id": "zte_epc_spgw",
  77                             "vnf_scale_aspect": "gpu",
  78                             "numberOfSteps": "1"
  79                         },
  80                         {
  81                             "vnfd_id": "zte_epc_tas",
  82                             "vnf_scale_aspect": "fpu",
  83                             "numberOfSteps": "2"
  84                         }
  85                     ]
  86                 },
  87                 {
  88                     "step": "2",
  89                     "scale_list": [
  90                         {
  91                             "vnfd_id": "zte_epc_spgw",
  92                             "vnf_scale_aspect": "mpu",
  93                             "numberOfSteps": "2"
  94                         },
  95                         {
  96                             "vnfd_id": "zte_epc_tas",
  97                             "vnf_scale_aspect": "fpu",
  98                             "numberOfSteps": "4"
  99                         }
 100                     ]
 101                 }
 102             ]
 103         }
 104     ]
 105 }
 106
 107
 108 class TestNsManualScale(TestCase):
 109     def setUp(self):
 110         self.ns_inst_id = str(uuid.uuid4())
 111         self.job_id = JobUtil.create_job(
 112             "NS", JOB_TYPE.MANUAL_SCALE_VNF, self.ns_inst_id)
 113
 114         self.client = Client()
 115         NSInstModel(
 116             id=self.ns_inst_id,
 117             name="abc",
 118             nspackage_id="7",
 119             nsd_id="111").save()
 120
 121     def tearDown(self):
 122         NSInstModel.objects.filter().delete()
 123
 124     @mock.patch.object(NSManualScaleService, 'run')
 125     def test_ns_manual_scale(self, mock_run):
 126         data = {
 127             "scaleType": "SCALE_NS",
 128             "scaleNsByStepsData": {
 129                 "aspectId": "1",
 130                 "numberOfSteps": 1,
 131                 "scalingDirection": "0"
 132             }
 133         }
 134         response = self.client.post(
 135             "/api/nslcm/v1/ns/%s/scale" %
 136             self.ns_inst_id, data=data)
 137         self.failUnlessEqual(status.HTTP_202_ACCEPTED, response.status_code)
 138
 139     @mock.patch.object(restcall, 'call_req')
 140     def test_ns_manual_scale_thread(self, mock_call):
 141         data = {
 142             "scaleType": "SCALE_NS",
 143             "scaleNsData": [{
 144                 "scaleNsByStepsData": [{
 145                     "aspectId": "1",
 146                     "numberOfSteps": 1,
 147                     "scalingDirection": "0"
 148                 }]
 149             }]
 150         }
 151         NSManualScaleService(self.ns_inst_id, data, self.job_id).run()
 152         self.assertTrue(
 153             NSInstModel.objects.get(
 154                 id=self.ns_inst_id).status,
 155             NS_INST_STATUS.ACTIVE)
 156
 157     def test_swagger_ok(self):
 158         resp = self.client.get("/api/nslcm/v1/swagger.json", format='json')
 159         self.assertEqual(resp.status_code, status.HTTP_200_OK)
 160
 161     @mock.patch.object(NSManualScaleService, 'start')
 162     def test_ns_manual_scale_empty_data(self, mock_start):
 163         mock_start.side_effect = NSLCMException("NS scale failed.")
 164         response = self.client.post(
 165             "/api/nslcm/v1/ns/%s/scale" %
 166             self.ns_inst_id, data={})
 167         self.assertEqual(
 168             response.status_code,
 169             status.HTTP_500_INTERNAL_SERVER_ERROR)
 170         self.assertIn("error", response.data)
 171
 172     @mock.patch.object(NSManualScaleService, 'start')
 173     def test_ns_manual_scale_when_ns_not_exist(self, mock_start):
 174         mock_start.side_effect = NSLCMException("NS scale failed.")
 175         data = {
 176             "scaleType": "SCALE_NS",
 177             "scaleNsData": [{
 178                 "scaleNsByStepsData": [{
 179                     "aspectId": "1",
 180                     "numberOfSteps": 1,
 181                     "scalingDirection": "0"
 182                 }]
 183             }]
 184         }
 185         response = self.client.post("/api/nslcm/v1/ns/11/scale", data=data)
 186         self.assertEqual(
 187             response.status_code,
 188             status.HTTP_500_INTERNAL_SERVER_ERROR)
 189         self.assertIn("error", response.data)