n2vc/tests/unit/test_n2vc_juju_conn.py

   1 # Copyright 2020 Canonical Ltd.
   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
  16 import asyncio
  17 import logging
  18 import asynctest
  19 from n2vc.n2vc_juju_conn import N2VCJujuConnector
  20 from osm_common import fslocal
  21 from n2vc.exceptions import (
  22     JujuK8sProxycharmNotSupported,
  23     N2VCBadArgumentsException,
  24     N2VCException,
  25 )
  26
  27
  28 class N2VCJujuConnTestCase(asynctest.TestCase):
  29     @asynctest.mock.patch("juju.controller.Controller.update_endpoints")
  30     @asynctest.mock.patch("juju.client.connector.Connector.connect")
  31     @asynctest.mock.patch("juju.controller.Controller.connection")
  32     @asynctest.mock.patch("n2vc.libjuju.Libjuju._get_api_endpoints_db")
  33     def setUp(
  34         self,
  35         mock__get_api_endpoints_db=None,
  36         mock_connection=None,
  37         mock_connect=None,
  38         mock_update_endpoints=None,
  39     ):
  40         loop = asyncio.get_event_loop()
  41         db = {}
  42         vca_config = {
  43             "secret": "secret",
  44             "api_proxy": "api_proxy",
  45             "cloud": "cloud",
  46             "k8s_cloud": "k8s_cloud",
  47         }
  48
  49         logging.disable(logging.CRITICAL)
  50
  51         self.n2vc = N2VCJujuConnector(
  52             db=db,
  53             fs=fslocal.FsLocal(),
  54             log=None,
  55             loop=loop,
  56             url="2.2.2.2:17070",
  57             username="admin",
  58             vca_config=vca_config,
  59             on_update_db=None,
  60         )
  61
  62
  63 @asynctest.mock.patch("n2vc.libjuju.Libjuju.get_metrics")
  64 class GetMetricssTest(N2VCJujuConnTestCase):
  65     def setUp(self):
  66         super(GetMetricssTest, self).setUp()
  67
  68     def test_success(self, mock_get_metrics):
  69         _ = self.loop.run_until_complete(self.n2vc.get_metrics("model", "application"))
  70         mock_get_metrics.assert_called_once()
  71
  72     def test_except(self, mock_get_metrics):
  73         mock_get_metrics.side_effect = Exception()
  74         with self.assertRaises(Exception):
  75             _ = self.loop.run_until_complete(
  76                 self.n2vc.get_metrics("model", "application")
  77             )
  78         mock_get_metrics.assert_called_once()
  79
  80
  81 @asynctest.mock.patch("osm_common.fslocal.FsLocal.file_exists")
  82 @asynctest.mock.patch(
  83     "osm_common.fslocal.FsLocal.path", new_callable=asynctest.PropertyMock, create=True
  84 )
  85 @asynctest.mock.patch("n2vc.libjuju.Libjuju.deploy_charm")
  86 @asynctest.mock.patch("n2vc.libjuju.Libjuju.add_model")
  87 class K8sProxyCharmsTest(N2VCJujuConnTestCase):
  88     def setUp(self):
  89         super(K8sProxyCharmsTest, self).setUp()
  90
  91     def test_success(
  92         self, mock_add_model, mock_deploy_charm, mock_path, mock_file_exists,
  93     ):
  94         mock_file_exists.return_value = True
  95         mock_path.return_value = "/path"
  96         ee_id = self.loop.run_until_complete(
  97             self.n2vc.install_k8s_proxy_charm(
  98                 "charm", "nsi-id.ns-id.vnf-id.vdu", "////path/", {},
  99             )
 100         )
 101
 102         mock_add_model.assert_called_once_with("ns-id-k8s", "k8s_cloud")
 103         mock_deploy_charm.assert_called_once_with(
 104             model_name="ns-id-k8s",
 105             application_name="app-vnf-vnf-id-vdu-vdu",
 106             path="/path/path/",
 107             machine_id=None,
 108             db_dict={},
 109             progress_timeout=None,
 110             total_timeout=None,
 111             config=None,
 112         )
 113         self.assertEqual(ee_id, "ns-id-k8s.app-vnf-vnf-id-vdu-vdu.k8s")
 114
 115     @asynctest.mock.patch(
 116         "n2vc.n2vc_juju_conn.N2VCJujuConnector.k8s_cloud",
 117         new_callable=asynctest.PropertyMock,
 118         create=True,
 119     )
 120     def test_no_k8s_cloud(
 121         self,
 122         mock_k8s_cloud,
 123         mock_add_model,
 124         mock_deploy_charm,
 125         mock_path,
 126         mock_file_exists,
 127     ):
 128         mock_k8s_cloud.return_value = None
 129         with self.assertRaises(JujuK8sProxycharmNotSupported):
 130             ee_id = self.loop.run_until_complete(
 131                 self.n2vc.install_k8s_proxy_charm(
 132                     "charm", "nsi-id.ns-id.vnf-id.vdu", "/path/", {},
 133                 )
 134             )
 135             self.assertIsNone(ee_id)
 136
 137     def test_no_artifact_path(
 138         self, mock_add_model, mock_deploy_charm, mock_path, mock_file_exists,
 139     ):
 140         with self.assertRaises(N2VCBadArgumentsException):
 141             ee_id = self.loop.run_until_complete(
 142                 self.n2vc.install_k8s_proxy_charm(
 143                     "charm", "nsi-id.ns-id.vnf-id.vdu", "", {},
 144                 )
 145             )
 146             self.assertIsNone(ee_id)
 147
 148     def test_no_db(
 149         self, mock_add_model, mock_deploy_charm, mock_path, mock_file_exists,
 150     ):
 151         with self.assertRaises(N2VCBadArgumentsException):
 152             ee_id = self.loop.run_until_complete(
 153                 self.n2vc.install_k8s_proxy_charm(
 154                     "charm", "nsi-id.ns-id.vnf-id.vdu", "/path/", None,
 155                 )
 156             )
 157             self.assertIsNone(ee_id)
 158
 159     def test_file_not_exists(
 160         self, mock_add_model, mock_deploy_charm, mock_path, mock_file_exists,
 161     ):
 162         mock_file_exists.return_value = False
 163         with self.assertRaises(N2VCBadArgumentsException):
 164             ee_id = self.loop.run_until_complete(
 165                 self.n2vc.install_k8s_proxy_charm(
 166                     "charm", "nsi-id.ns-id.vnf-id.vdu", "/path/", {},
 167                 )
 168             )
 169             self.assertIsNone(ee_id)
 170
 171     def test_exception(
 172         self, mock_add_model, mock_deploy_charm, mock_path, mock_file_exists,
 173     ):
 174         mock_file_exists.return_value = True
 175         mock_path.return_value = "/path"
 176         mock_deploy_charm.side_effect = Exception()
 177         with self.assertRaises(N2VCException):
 178             ee_id = self.loop.run_until_complete(
 179                 self.n2vc.install_k8s_proxy_charm(
 180                     "charm", "nsi-id.ns-id.vnf-id.vdu", "path/", {},
 181                 )
 182             )
 183             self.assertIsNone(ee_id)