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.assertTrue(
  92             "nsState" not in vnfr["_admin"],
  93             "Database VNF record must not contain 'nsState'",
  94         )
  95         self.assertEqual(
  96             self.vnfd_id,
  97             vnfr["vnfd-ref"],
  98             "vnfr record is not properly created for the given vnfd",
  99         )
 100
 101     def test_show_vnfinstance(self):
 102         session = {
 103             "force": False,
 104             "admin": False,
 105             "public": False,
 106             "project_id": [self.vnfd_project],
 107             "method": "write",
 108         }
 109         filter_q = {}
 110         self.db.create_list("vnfrs", yaml.load(db_vnfrs_text, Loader=yaml.Loader))
 111         actual_vnfr = self.db.get_list("vnfrs")[0]
 112         id = actual_vnfr["_id"]
 113         expected_vnfr = self.vnfinstances.show(session, id, filter_q)
 114         self.assertEqual(
 115             actual_vnfr["_id"],
 116             expected_vnfr["_id"],
 117             "Mismatch between return vnfr Id and database vnfr Id",
 118         )
 119
 120     def test_delete_vnfinstance(self):
 121         session = {
 122             "force": False,
 123             "admin": False,
 124             "public": False,
 125             "project_id": [self.vnfd_project],
 126             "method": "delete",
 127         }
 128         self.db.create_list("vnfrs", yaml.load(db_vnfrs_text, Loader=yaml.Loader))
 129         self.db.create_list("nsrs", yaml.load(db_nsrs_text, Loader=yaml.Loader))
 130         self.db.create_list("nsds", yaml.load(db_nsds_text, Loader=yaml.Loader))
 131
 132         self.vnfr = self.db.get_list("vnfrs")[0]
 133         self.vnfr_id = self.vnfr["_id"]
 134         self.db.set_one = self.db.set_one
 135         self.db.set_one = Mock()
 136
 137         self.vnfinstances.delete(session, self.vnfr_id)
 138         msg_args = self.msg.write.call_args[0]
 139         self.assertEqual(msg_args[1], "deleted", "Wrong message action")
 140
 141
 142 class TestVnfLcmOpTopic(unittest.TestCase):
 143     def setUp(self):
 144         self.db = DbMemory()
 145         self.fs = Mock(FsBase())
 146         self.fs.get_params.return_value = {"./fake/folder"}
 147         self.fs.file_open = mock_open()
 148         self.msg = Mock(MsgBase())
 149
 150         self.vnflcmop_topic = VnfLcmOpTopic(self.db, self.fs, self.msg, None)
 151         self.vnflcmop_topic.check_quota = Mock(return_value=None)  # skip quota
 152
 153         self.db.create_list(
 154             "vim_accounts", yaml.load(db_vim_accounts_text, Loader=yaml.Loader)
 155         )
 156         self.db.create_list("nsds", yaml.load(db_nsds_text, Loader=yaml.Loader))
 157         self.db.create_list("vnfds", yaml.load(db_vnfm_vnfd_text, Loader=yaml.Loader))
 158         self.db.create_list("vnfrs", yaml.load(db_vnfrs_text, Loader=yaml.Loader))
 159         self.db.create_list("nsrs", yaml.load(db_nsrs_text, Loader=yaml.Loader))
 160
 161         self.vnfd = self.db.get_list("vnfds")[0]
 162         self.vnfd_id = self.vnfd["_id"]
 163         self.vnfr = self.db.get_list("vnfrs")[0]
 164         self.vnfr_id = self.vnfr["_id"]
 165
 166         self.vnfd_project = self.vnfd["_admin"]["projects_read"][0]
 167
 168         self.vim = self.db.get_list("vim_accounts")[0]
 169         self.vim_id = self.vim["_id"]
 170
 171     def test_create_vnf_instantiate(self):
 172         session = {
 173             "force": False,
 174             "admin": False,
 175             "public": False,
 176             "project_id": [self.vnfd_project],
 177             "method": "write",
 178         }
 179         indata = {
 180             "vnfInstanceId": self.vnfr_id,
 181             "lcmOperationType": "instantiate",
 182             "vnfName": "vnf_instance_name",
 183             "vnfDescription": "vnf instance description",
 184             "vnfId": self.vnfd_id,
 185             "vimAccountId": self.vim_id,
 186         }
 187         rollback = []
 188         headers = {}
 189         vnflcmop_id, _ = self.vnflcmop_topic.new(
 190             rollback, session, indata, kwargs=None, headers=headers
 191         )
 192         vnflcmop_info = self.db.get_one("nslcmops")
 193         self.assertEqual(
 194             vnflcmop_id,
 195             vnflcmop_info["_id"],
 196             "Mismatch between return id and database '_id'",
 197         )
 198         self.assertTrue(
 199             vnflcmop_info["lcmOperationType"] == "instantiate",
 200             "Database record must contain 'lcmOperationType=instantiate'",
 201         )
 202
 203     def test_show_vnflmcop(self):
 204         session = {
 205             "force": False,
 206             "admin": False,
 207             "public": False,
 208             "project_id": [self.vnfd_project],
 209             "method": "write",
 210         }
 211         self.db.create_list("nslcmops", yaml.load(db_nslcmops_text, Loader=yaml.Loader))
 212         filter_q = {}
 213         actual_lcmop = self.db.get_list("nslcmops")[0]
 214         id = actual_lcmop["_id"]
 215         vnfr = self.db.get_list("vnfrs")[0]
 216         vnfr_id = vnfr["_id"]
 217         vnflcmop = self.vnflcmop_topic.show(session, id, filter_q)
 218         _id = vnflcmop["vnfInstanceId"]
 219         self.assertEqual(
 220             _id,
 221             vnfr_id,
 222             "Mismatch between vnflcmop's vnfInstanceId and database vnfr's id",
 223         )