osm_nbi/tests/test_osm_vnfm.py

   1 # Copyright 2021 Selvi Jayaraman (Tata Elxsi)
   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
  12 # implied.
  13 # See the License for the specific language governing permissions and
  14 # limitations under the License.
  15
  16 __author__ = "Selvi Jayaraman <selvi.j@tataelxsi.co.in>"
  17
  18 import unittest
  19 from uuid import uuid4
  20 from unittest.mock import Mock, patch, mock_open
  21 from osm_common.dbmemory import DbMemory
  22 from osm_common.fsbase import FsBase
  23 from osm_common.msgbase import MsgBase
  24 from osm_nbi.vnf_instance_topics import VnfInstances, VnfLcmOpTopic
  25 from osm_nbi.instance_topics import NsrTopic
  26 from osm_nbi.tests.test_db_descriptors import (
  27     db_vim_accounts_text,
  28     db_vnfm_vnfd_text,
  29     db_nsds_text,
  30     db_nsrs_text,
  31     db_vnfrs_text,
  32     db_nslcmops_text,
  33 )
  34 import yaml
  35
  36
  37 class TestVnfInstances(unittest.TestCase):
  38     def setUp(self):
  39         self.db = DbMemory()
  40         self.fs = Mock(FsBase())
  41         self.msg = Mock(MsgBase())
  42         self.vnfinstances = VnfInstances(self.db, self.fs, self.msg, None)
  43         self.nsrtopic = NsrTopic(self.db, self.fs, self.msg, None)
  44         self.db.create_list(
  45             "vim_accounts", yaml.load(db_vim_accounts_text, Loader=yaml.Loader)
  46         )
  47         self.db.create_list("vnfds", yaml.load(db_vnfm_vnfd_text, Loader=yaml.Loader))
  48         self.vnfd = self.db.get_list("vnfds")[0]
  49         self.vnfd_id = self.vnfd["id"]
  50         self.vnfd_project = self.vnfd["_admin"]["projects_read"][0]
  51
  52         self.vim = self.db.get_list("vim_accounts")[0]
  53         self.vim_id = self.vim["_id"]
  54
  55     @patch("osm_nbi.descriptor_topics.shutil")
  56     @patch("osm_nbi.descriptor_topics.os.rename")
  57     def test_create_identifier(self, mock_rename, mock_shutil):
  58         session = {
  59             "force": True,
  60             "admin": False,
  61             "public": False,
  62             "project_id": [self.vnfd_project],
  63             "method": "write",
  64         }
  65         indata = {
  66             "vnfdId": self.vnfd_id,
  67             "vnfInstanceName": "vnf_instance_name",
  68             "vnfInstanceDescription": "vnf instance description",
  69             "vimAccountId": self.vim_id,
  70             "additionalParams": {
  71                 "virtual-link-desc": [{"id": "mgmt-net", "mgmt-network": True}],
  72                 "constituent-cpd-id": "vnf-cp0-ext",
  73                 "virtual-link-profile-id": "mgmt-net",
  74             },
  75         }
  76         rollback = []
  77         self.fs.path = ""
  78         self.fs.get_params.return_value = {}
  79         self.fs.file_exists.return_value = False
  80         self.fs.file_open.side_effect = lambda path, mode: open(
  81             "/tmp/" + str(uuid4()), "a+b"
  82         )
  83
  84         vnfr_id, _ = self.vnfinstances.new(
  85             rollback, session, indata, {}, headers={"Content-Type": []}
  86         )
  87         vnfr = self.db.get_one("vnfrs")
  88         self.assertEqual(
  89             vnfr_id, vnfr["id"], "Mismatch between return id and database id"
  90         )
  91         self.assertEqual(
  92             "NOT_INSTANTIATED",
  93             vnfr["_admin"]["nsState"],
  94             "Database record must contain 'nsState' NOT_INSTANTIATED",
  95         )
  96         self.assertEqual(
  97             self.vnfd_id,
  98             vnfr["vnfd-ref"],
  99             "vnfr record is not properly created for the given vnfd",
 100         )
 101
 102     def test_show_vnfinstance(self):
 103         session = {
 104             "force": False,
 105             "admin": False,
 106             "public": False,
 107             "project_id": [self.vnfd_project],
 108             "method": "write",
 109         }
 110         filter_q = {}
 111         self.db.create_list("vnfrs", yaml.load(db_vnfrs_text, Loader=yaml.Loader))
 112         actual_vnfr = self.db.get_list("vnfrs")[0]
 113         id = actual_vnfr["_id"]
 114         expected_vnfr = self.vnfinstances.show(session, id, filter_q)
 115         self.assertEqual(
 116             actual_vnfr["_id"],
 117             expected_vnfr["_id"],
 118             "Mismatch between return vnfr Id and database vnfr Id",
 119         )
 120
 121     def test_delete_vnfinstance(self):
 122         session = {
 123             "force": False,
 124             "admin": False,
 125             "public": False,
 126             "project_id": [self.vnfd_project],
 127             "method": "delete",
 128         }
 129         self.db.create_list("vnfrs", yaml.load(db_vnfrs_text, Loader=yaml.Loader))
 130         self.db.create_list("nsrs", yaml.load(db_nsrs_text, Loader=yaml.Loader))
 131         self.db.create_list("nsds", yaml.load(db_nsds_text, Loader=yaml.Loader))
 132
 133         self.vnfr = self.db.get_list("vnfrs")[0]
 134         self.vnfr_id = self.vnfr["_id"]
 135         self.db.set_one = self.db.set_one
 136         self.db.set_one = Mock()
 137
 138         self.vnfinstances.delete(session, self.vnfr_id)
 139         msg_args = self.msg.write.call_args[0]
 140         self.assertEqual(msg_args[1], "deleted", "Wrong message action")
 141
 142
 143 class TestVnfLcmOpTopic(unittest.TestCase):
 144     def setUp(self):
 145         self.db = DbMemory()
 146         self.fs = Mock(FsBase())
 147         self.fs.get_params.return_value = {"./fake/folder"}
 148         self.fs.file_open = mock_open()
 149         self.msg = Mock(MsgBase())
 150
 151         self.vnflcmop_topic = VnfLcmOpTopic(self.db, self.fs, self.msg, None)
 152         self.vnflcmop_topic.check_quota = Mock(return_value=None)  # skip quota
 153
 154         self.db.create_list(
 155             "vim_accounts", yaml.load(db_vim_accounts_text, Loader=yaml.Loader)
 156         )
 157         self.db.create_list("nsds", yaml.load(db_nsds_text, Loader=yaml.Loader))
 158         self.db.create_list("vnfds", yaml.load(db_vnfm_vnfd_text, Loader=yaml.Loader))
 159         self.db.create_list("vnfrs", yaml.load(db_vnfrs_text, Loader=yaml.Loader))
 160         self.db.create_list("nsrs", yaml.load(db_nsrs_text, Loader=yaml.Loader))
 161
 162         self.vnfd = self.db.get_list("vnfds")[0]
 163         self.vnfd_id = self.vnfd["_id"]
 164         self.vnfr = self.db.get_list("vnfrs")[0]
 165         self.vnfr_id = self.vnfr["_id"]
 166
 167         self.vnfd_project = self.vnfd["_admin"]["projects_read"][0]
 168
 169         self.vim = self.db.get_list("vim_accounts")[0]
 170         self.vim_id = self.vim["_id"]
 171
 172     def test_create_vnf_instantiate(self):
 173         session = {
 174             "force": False,
 175             "admin": False,
 176             "public": False,
 177             "project_id": [self.vnfd_project],
 178             "method": "write",
 179         }
 180         indata = {
 181             "vnfInstanceId": self.vnfr_id,
 182             "lcmOperationType": "instantiate",
 183             "vnfName": "vnf_instance_name",
 184             "vnfDescription": "vnf instance description",
 185             "vnfId": self.vnfd_id,
 186             "vimAccountId": self.vim_id,
 187         }
 188         rollback = []
 189         headers = {}
 190         vnflcmop_id, _ = self.vnflcmop_topic.new(
 191             rollback, session, indata, kwargs=None, headers=headers
 192         )
 193         vnflcmop_info = self.db.get_one("nslcmops")
 194         self.assertEqual(
 195             vnflcmop_id,
 196             vnflcmop_info["_id"],
 197             "Mismatch between return id and database '_id'",
 198         )
 199         self.assertTrue(
 200             vnflcmop_info["lcmOperationType"] == "instantiate",
 201             "Database record must contain 'lcmOperationType=instantiate'",
 202         )
 203
 204     def test_show_vnflmcop(self):
 205         session = {
 206             "force": False,
 207             "admin": False,
 208             "public": False,
 209             "project_id": [self.vnfd_project],
 210             "method": "write",
 211         }
 212         self.db.create_list("nslcmops", yaml.load(db_nslcmops_text, Loader=yaml.Loader))
 213         filter_q = {}
 214         actual_lcmop = self.db.get_list("nslcmops")[0]
 215         id = actual_lcmop["_id"]
 216         vnfr = self.db.get_list("vnfrs")[0]
 217         vnfr_id = vnfr["_id"]
 218         vnflcmop = self.vnflcmop_topic.show(session, id, filter_q)
 219         _id = vnflcmop["vnfInstanceId"]
 220         self.assertEqual(
 221             _id,
 222             vnfr_id,
 223             "Mismatch between vnflcmop's vnfInstanceId and database vnfr's id",
 224         )