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