n2vc/tests/unit/test_k8s_helm3_conn.py

   1 ##
   2 # Licensed under the Apache License, Version 2.0 (the "License"); you may
   3 # not use this file except in compliance with the License. You may obtain
   4 # a copy of the License at
   5 #
   6 #         http://www.apache.org/licenses/LICENSE-2.0
   7 #
   8 # Unless required by applicable law or agreed to in writing, software
   9 # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
  10 # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
  11 # License for the specific language governing permissions and limitations
  12 # under the License.
  13 #
  14 # For those usages not covered by the Apache License, Version 2.0 please
  15 # contact: alfonso.tiernosepulveda@telefonica.com
  16 ##
  17
  18 import asynctest
  19 import logging
  20
  21 from asynctest.mock import Mock
  22 from osm_common.dbmemory import DbMemory
  23 from osm_common.fslocal import FsLocal
  24 from n2vc.k8s_helm3_conn import K8sHelm3Connector
  25
  26 __author__ = "Isabel Lloret <illoret@indra.es>"
  27
  28
  29 class TestK8sHelm3Conn(asynctest.TestCase):
  30     logging.basicConfig(level=logging.DEBUG)
  31     logger = logging.getLogger(__name__)
  32     logger.setLevel(logging.DEBUG)
  33
  34     async def setUp(self):
  35         self.db = Mock(DbMemory())
  36         self.fs = asynctest.Mock(FsLocal())
  37         self.fs.path = "./tmp/"
  38         self.namespace = "testk8s"
  39         self.cluster_id = "helm3_cluster_id"
  40         self.cluster_uuid = "{}:{}".format(self.namespace, self.cluster_id)
  41         # pass fake kubectl and helm commands to make sure it does not call actual commands
  42         K8sHelm3Connector._check_file_exists = asynctest.Mock(return_value=True)
  43         cluster_dir = self.fs.path + self.cluster_id
  44         self.env = {
  45             "HELM_CACHE_HOME": "{}/.cache/helm".format(cluster_dir),
  46             "HELM_CONFIG_HOME": "{}/.config/helm".format(cluster_dir),
  47             "HELM_DATA_HOME": "{}/.local/share/helm".format(cluster_dir),
  48             "KUBECONFIG": "{}/.kube/config".format(cluster_dir)
  49         }
  50         self.helm_conn = K8sHelm3Connector(self.fs, self.db,
  51                                            log=self.logger)
  52         self.logger.debug("Set up executed")
  53
  54     @asynctest.fail_on(active_handles=True)
  55     async def test_init_env(self):
  56         k8s_creds = "false_credentials_string"
  57         self.helm_conn._get_namespaces = asynctest.CoroutineMock(return_value=[])
  58         self.helm_conn._create_namespace = asynctest.CoroutineMock()
  59         self.helm_conn.repo_list = asynctest.CoroutineMock(return_value=[])
  60         self.helm_conn.repo_add = asynctest.CoroutineMock()
  61
  62         k8scluster_uuid, installed = await self.helm_conn.init_env(
  63             k8s_creds, namespace=self.namespace, reuse_cluster_uuid=self.cluster_id)
  64
  65         self.assertEqual(k8scluster_uuid, "{}:{}".format(self.namespace, self.cluster_id),
  66                          "Check cluster_uuid format: <namespace>.<cluster_id>")
  67         self.helm_conn._get_namespaces.assert_called_once_with(self.cluster_id)
  68         self.helm_conn._create_namespace.assert_called_once_with(self.cluster_id, self.namespace)
  69         self.helm_conn.repo_list.assert_called_once_with(k8scluster_uuid)
  70         self.helm_conn.repo_add.assert_called_once_with(
  71             k8scluster_uuid, "stable", "https://kubernetes-charts.storage.googleapis.com/")
  72         self.helm_conn.fs.reverse_sync.assert_called_once_with(from_path=self.cluster_id)
  73         self.logger.debug(f"cluster_uuid: {k8scluster_uuid}")
  74
  75     @asynctest.fail_on(active_handles=True)
  76     async def test_repo_add(self):
  77         repo_name = "bitnami"
  78         repo_url = "https://charts.bitnami.com/bitnami"
  79         self.helm_conn._local_async_exec = asynctest.CoroutineMock(return_value=("", 0))
  80
  81         await self.helm_conn.repo_add(self.cluster_uuid, repo_name, repo_url)
  82
  83         self.helm_conn.fs.sync.assert_called_once_with(from_path=self.cluster_id)
  84         self.helm_conn.fs.reverse_sync.assert_called_once_with(from_path=self.cluster_id)
  85         self.assertEqual(self.helm_conn._local_async_exec.call_count, 2,
  86                          "local_async_exec expected 2 calls, called {}".format(
  87                              self.helm_conn._local_async_exec.call_count))
  88
  89         repo_update_command = "/usr/bin/helm3 repo update"
  90         repo_add_command = "/usr/bin/helm3 repo add {} {}".format(repo_name, repo_url)
  91         calls = self.helm_conn._local_async_exec.call_args_list
  92         call0_kargs = calls[0][1]
  93         self.assertEqual(call0_kargs.get("command"), repo_update_command,
  94                          "Invalid repo update command: {}".format(call0_kargs.get("command")))
  95         self.assertEqual(call0_kargs.get("env"), self.env,
  96                          "Invalid env for update command: {}".format(call0_kargs.get("env")))
  97         call1_kargs = calls[1][1]
  98         self.assertEqual(call1_kargs.get("command"), repo_add_command,
  99                          "Invalid repo add command: {}".format(call1_kargs.get("command")))
 100         self.assertEqual(call1_kargs.get("env"), self.env,
 101                          "Invalid env for add command: {}".format(call1_kargs.get("env")))
 102
 103     @asynctest.fail_on(active_handles=True)
 104     async def test_repo_list(self):
 105
 106         self.helm_conn._local_async_exec = asynctest.CoroutineMock(return_value=("", 0))
 107
 108         await self.helm_conn.repo_list(self.cluster_uuid)
 109
 110         self.helm_conn.fs.sync.assert_called_once_with(from_path=self.cluster_id)
 111         self.helm_conn.fs.reverse_sync.assert_called_once_with(from_path=self.cluster_id)
 112         command = "/usr/bin/helm3 repo list --output yaml"
 113         self.helm_conn._local_async_exec.assert_called_with(command=command, env=self.env,
 114                                                             raise_exception_on_error=False)
 115
 116     @asynctest.fail_on(active_handles=True)
 117     async def test_repo_remove(self):
 118
 119         self.helm_conn._local_async_exec = asynctest.CoroutineMock(return_value=("", 0))
 120         repo_name = "bitnami"
 121         await self.helm_conn.repo_remove(self.cluster_uuid, repo_name)
 122
 123         self.helm_conn.fs.sync.assert_called_once_with(from_path=self.cluster_id)
 124         self.helm_conn.fs.reverse_sync.assert_called_once_with(from_path=self.cluster_id)
 125         command = "/usr/bin/helm3 repo remove {}".format(repo_name)
 126         self.helm_conn._local_async_exec.assert_called_with(command=command, env=self.env,
 127                                                             raise_exception_on_error=True)
 128
 129     @asynctest.fail_on(active_handles=True)
 130     async def test_install(self):
 131         kdu_model = "stable/openldap:1.2.2"
 132         kdu_instance = "stable-openldap-0005399828"
 133         db_dict = {}
 134         self.helm_conn._local_async_exec = asynctest.CoroutineMock(return_value=("", 0))
 135         self.helm_conn._status_kdu = asynctest.CoroutineMock(return_value=None)
 136         self.helm_conn._store_status = asynctest.CoroutineMock()
 137         self.helm_conn._generate_release_name = Mock(return_value="stable-openldap-0005399828")
 138
 139         kdu_instance = await self.helm_conn.install(self.cluster_uuid,
 140                                                     kdu_model,
 141                                                     atomic=True,
 142                                                     namespace=self.namespace,
 143                                                     db_dict=db_dict)
 144
 145         self.helm_conn.fs.sync.assert_called_once_with(from_path=self.cluster_id)
 146         self.helm_conn.fs.reverse_sync.assert_called_once_with(from_path=self.cluster_id)
 147         self.helm_conn._generate_release_name.assert_called_once_with("stable/openldap")
 148         self.helm_conn._status_kdu.assert_called_once_with(cluster_id=self.cluster_id,
 149                                                            kdu_instance=kdu_instance,
 150                                                            namespace=self.namespace,
 151                                                            show_error_log=False)
 152         self.helm_conn._store_status.assert_called_with(cluster_id=self.cluster_id,
 153                                                         kdu_instance=kdu_instance,
 154                                                         namespace=self.namespace,
 155                                                         db_dict=db_dict,
 156                                                         operation="install",
 157                                                         run_once=True,
 158                                                         check_every=0)
 159         command = "/usr/bin/helm3 install stable-openldap-0005399828 --atomic --output yaml   " \
 160                   "--timeout 300s --namespace testk8s stable/openldap --version 1.2.2"
 161         self.helm_conn._local_async_exec.assert_called_once_with(command=command,
 162                                                                  env=self.env,
 163                                                                  raise_exception_on_error=False)
 164
 165     @asynctest.fail_on(active_handles=True)
 166     async def test_upgrade(self):
 167         kdu_model = "stable/openldap:1.2.3"
 168         kdu_instance = "stable-openldap-0005399828"
 169         db_dict = {}
 170         instance_info = {
 171             "chart": "openldap-1.2.2",
 172             "name": kdu_instance,
 173             "namespace": self.namespace,
 174             "revision": 1,
 175             "status": "DEPLOYED"
 176         }
 177         self.helm_conn._local_async_exec = asynctest.CoroutineMock(return_value=("", 0))
 178         self.helm_conn._store_status = asynctest.CoroutineMock()
 179         self.helm_conn.get_instance_info = asynctest.CoroutineMock(return_value=instance_info)
 180
 181         await self.helm_conn.upgrade(self.cluster_uuid,
 182                                      kdu_instance,
 183                                      kdu_model,
 184                                      atomic=True,
 185                                      db_dict=db_dict)
 186         self.helm_conn.fs.sync.assert_called_once_with(from_path=self.cluster_id)
 187         self.helm_conn.fs.reverse_sync.assert_called_once_with(from_path=self.cluster_id)
 188         self.helm_conn._store_status.assert_called_with(cluster_id=self.cluster_id,
 189                                                         kdu_instance=kdu_instance,
 190                                                         namespace=self.namespace,
 191                                                         db_dict=db_dict,
 192                                                         operation="upgrade",
 193                                                         run_once=True,
 194                                                         check_every=0)
 195         command = "/usr/bin/helm3 upgrade stable-openldap-0005399828 stable/openldap " \
 196                   "--namespace testk8s --atomic --output yaml  --timeout 300s  " \
 197                   "--version 1.2.3"
 198         self.helm_conn._local_async_exec.assert_called_once_with(command=command,
 199                                                                  env=self.env,
 200                                                                  raise_exception_on_error=False)
 201
 202     @asynctest.fail_on(active_handles=True)
 203     async def test_rollback(self):
 204         kdu_instance = "stable-openldap-0005399828"
 205         db_dict = {}
 206         instance_info = {
 207             "chart": "openldap-1.2.3",
 208             "name": kdu_instance,
 209             "namespace": self.namespace,
 210             "revision": 2,
 211             "status": "DEPLOYED"
 212         }
 213         self.helm_conn._local_async_exec = asynctest.CoroutineMock(return_value=("", 0))
 214         self.helm_conn._store_status = asynctest.CoroutineMock()
 215         self.helm_conn.get_instance_info = asynctest.CoroutineMock(return_value=instance_info)
 216
 217         await self.helm_conn.rollback(self.cluster_uuid,
 218                                       kdu_instance=kdu_instance,
 219                                       revision=1,
 220                                       db_dict=db_dict)
 221         self.helm_conn.fs.sync.assert_called_once_with(from_path=self.cluster_id)
 222         self.helm_conn.fs.reverse_sync.assert_called_once_with(from_path=self.cluster_id)
 223         self.helm_conn._store_status.assert_called_with(cluster_id=self.cluster_id,
 224                                                         kdu_instance=kdu_instance,
 225                                                         namespace=self.namespace,
 226                                                         db_dict=db_dict,
 227                                                         operation="rollback",
 228                                                         run_once=True,
 229                                                         check_every=0)
 230         command = "/usr/bin/helm3 rollback stable-openldap-0005399828 1 --namespace=testk8s --wait"
 231         self.helm_conn._local_async_exec.assert_called_once_with(command=command,
 232                                                                  env=self.env,
 233                                                                  raise_exception_on_error=False)
 234
 235     @asynctest.fail_on(active_handles=True)
 236     async def test_uninstall(self):
 237         kdu_instance = "stable-openldap-0005399828"
 238         instance_info = {
 239             "chart": "openldap-1.2.2",
 240             "name": kdu_instance,
 241             "namespace": self.namespace,
 242             "revision": 3,
 243             "status": "DEPLOYED"
 244         }
 245         self.helm_conn._local_async_exec = asynctest.CoroutineMock(return_value=("", 0))
 246         self.helm_conn._store_status = asynctest.CoroutineMock()
 247         self.helm_conn.get_instance_info = asynctest.CoroutineMock(return_value=instance_info)
 248
 249         await self.helm_conn.uninstall(self.cluster_uuid, kdu_instance)
 250         self.helm_conn.fs.sync.assert_called_once_with(from_path=self.cluster_id)
 251         self.helm_conn.fs.reverse_sync.assert_called_once_with(from_path=self.cluster_id)
 252         command = "/usr/bin/helm3 uninstall {} --namespace={}".format(
 253             kdu_instance, self.namespace)
 254         self.helm_conn._local_async_exec.assert_called_once_with(command=command,
 255                                                                  env=self.env,
 256                                                                  raise_exception_on_error=True)
 257
 258     @asynctest.fail_on(active_handles=True)
 259     async def test_get_services(self):
 260         kdu_instance = "test_services_1"
 261         service = {
 262             "name": "testservice",
 263             "type": "LoadBalancer"
 264         }
 265         self.helm_conn._local_async_exec_pipe = asynctest.CoroutineMock(return_value=("", 0))
 266         self.helm_conn._parse_services = Mock(return_value=["testservice"])
 267         self.helm_conn._get_service = asynctest.CoroutineMock(return_value=service)
 268
 269         services = await self.helm_conn.get_services(self.cluster_uuid, kdu_instance,
 270                                                      self.namespace)
 271         self.helm_conn.fs.sync.assert_called_once_with(from_path=self.cluster_id)
 272         self.helm_conn.fs.reverse_sync.assert_called_once_with(from_path=self.cluster_id)
 273         self.helm_conn._parse_services.assert_called_once()
 274         command1 = "/usr/bin/helm3 get manifest {} --namespace=testk8s".format(kdu_instance)
 275         command2 = "/usr/bin/kubectl get --namespace={} -f -".format(self.namespace)
 276         self.helm_conn._local_async_exec_pipe.assert_called_once_with(command1, command2,
 277                                                                       env=self.env,
 278                                                                       raise_exception_on_error=True)
 279         self.assertEqual(services, [service], "Invalid service returned from get_service")
 280
 281     @asynctest.fail_on(active_handles=True)
 282     async def test_get_service(self):
 283         service_name = "service1"
 284
 285         self.helm_conn._local_async_exec = asynctest.CoroutineMock(return_value=("", 0))
 286         await self.helm_conn.get_service(self.cluster_uuid, service_name, self.namespace)
 287
 288         self.helm_conn.fs.sync.assert_called_once_with(from_path=self.cluster_id)
 289         self.helm_conn.fs.reverse_sync.assert_called_once_with(from_path=self.cluster_id)
 290         command = "/usr/bin/kubectl --kubeconfig=./tmp/helm3_cluster_id/.kube/config " \
 291                   "--namespace=testk8s get service service1 -o=yaml"
 292         self.helm_conn._local_async_exec.assert_called_once_with(command=command,
 293                                                                  env=self.env,
 294                                                                  raise_exception_on_error=True)
 295
 296     @asynctest.fail_on(active_handles=True)
 297     async def test_inspect_kdu(self):
 298         self.helm_conn._local_async_exec = asynctest.CoroutineMock(return_value=("", 0))
 299
 300         kdu_model = "stable/openldap:1.2.4"
 301         repo_url = "https://kubernetes-charts.storage.googleapis.com/"
 302         await self.helm_conn.inspect_kdu(kdu_model, repo_url)
 303
 304         command = "/usr/bin/helm3 show all openldap --repo " \
 305                   "https://kubernetes-charts.storage.googleapis.com/ " \
 306                   "--version 1.2.4"
 307         self.helm_conn._local_async_exec.assert_called_with(command=command, encode_utf8=True)
 308
 309     @asynctest.fail_on(active_handles=True)
 310     async def test_help_kdu(self):
 311         self.helm_conn._local_async_exec = asynctest.CoroutineMock(return_value=("", 0))
 312
 313         kdu_model = "stable/openldap:1.2.4"
 314         repo_url = "https://kubernetes-charts.storage.googleapis.com/"
 315         await self.helm_conn.help_kdu(kdu_model, repo_url)
 316
 317         command = "/usr/bin/helm3 show readme openldap --repo " \
 318                   "https://kubernetes-charts.storage.googleapis.com/ " \
 319                   "--version 1.2.4"
 320         self.helm_conn._local_async_exec.assert_called_with(command=command, encode_utf8=True)
 321
 322     @asynctest.fail_on(active_handles=True)
 323     async def test_values_kdu(self):
 324         self.helm_conn._local_async_exec = asynctest.CoroutineMock(return_value=("", 0))
 325
 326         kdu_model = "stable/openldap:1.2.4"
 327         repo_url = "https://kubernetes-charts.storage.googleapis.com/"
 328         await self.helm_conn.values_kdu(kdu_model, repo_url)
 329
 330         command = "/usr/bin/helm3 show values openldap --repo " \
 331                   "https://kubernetes-charts.storage.googleapis.com/ " \
 332                   "--version 1.2.4"
 333         self.helm_conn._local_async_exec.assert_called_with(command=command, encode_utf8=True)
 334
 335     @asynctest.fail_on(active_handles=True)
 336     async def test_instances_list(self):
 337         self.helm_conn._local_async_exec = asynctest.CoroutineMock(return_value=("", 0))
 338
 339         await self.helm_conn.instances_list(self.cluster_uuid)
 340         self.helm_conn.fs.sync.assert_called_once_with(from_path=self.cluster_id)
 341         self.helm_conn.fs.reverse_sync.assert_called_once_with(from_path=self.cluster_id)
 342         command = "/usr/bin/helm3 list --all-namespaces  --output yaml"
 343         self.helm_conn._local_async_exec.assert_called_once_with(command=command,
 344                                                                  env=self.env,
 345                                                                  raise_exception_on_error=True)
 346
 347     @asynctest.fail_on(active_handles=True)
 348     async def test_status_kdu(self):
 349         kdu_instance = "stable-openldap-0005399828"
 350         self.helm_conn._local_async_exec = asynctest.CoroutineMock(return_value=("", 0))
 351
 352         await self.helm_conn._status_kdu(self.cluster_id, kdu_instance,
 353                                          self.namespace, return_text=True)
 354         command = "/usr/bin/helm3 status {} --namespace={} --output yaml".format(
 355             kdu_instance, self.namespace
 356         )
 357         self.helm_conn._local_async_exec.assert_called_once_with(command=command,
 358                                                                  env=self.env,
 359                                                                  raise_exception_on_error=True,
 360                                                                  show_error_log=False)
 361
 362     @asynctest.fail_on(active_handles=True)
 363     async def test_store_status(self):
 364         kdu_instance = "stable-openldap-0005399828"
 365         db_dict = {}
 366         status = {
 367             "info": {
 368                 "description": "Install complete",
 369                 "status": {
 370                     "code": "1",
 371                     "notes": "The openldap helm chart has been installed"
 372                 }
 373             }
 374         }
 375         self.helm_conn._status_kdu = asynctest.CoroutineMock(return_value=status)
 376         self.helm_conn.write_app_status_to_db = asynctest.CoroutineMock(return_value=status)
 377
 378         await self.helm_conn._store_status(cluster_id=self.cluster_id,
 379                                            kdu_instance=kdu_instance,
 380                                            namespace=self.namespace,
 381                                            db_dict=db_dict,
 382                                            operation="install",
 383                                            run_once=True,
 384                                            check_every=0)
 385         self.helm_conn._status_kdu.assert_called_once_with(cluster_id=self.cluster_id,
 386                                                            kdu_instance=kdu_instance,
 387                                                            namespace=self.namespace,
 388                                                            return_text=False)
 389         self.helm_conn.write_app_status_to_db.assert_called_once_with(db_dict=db_dict,
 390                                                                       status="Install complete",
 391                                                                       detailed_status=str(status),
 392                                                                       operation="install")
 393
 394     @asynctest.fail_on(active_handles=True)
 395     async def test_reset_uninstall_false(self):
 396         self.helm_conn._uninstall_sw = asynctest.CoroutineMock()
 397
 398         await self.helm_conn.reset(self.cluster_uuid, force=False, uninstall_sw=False)
 399         self.helm_conn.fs.sync.assert_called_once_with(from_path=self.cluster_id)
 400         self.helm_conn.fs.file_delete.assert_called_once_with(self.cluster_id,
 401                                                               ignore_non_exist=True)
 402         self.helm_conn._uninstall_sw.assert_not_called()
 403
 404     @asynctest.fail_on(active_handles=True)
 405     async def test_reset_uninstall(self):
 406         kdu_instance = 'stable-openldap-0021099429'
 407         instances = [
 408             {
 409                 'app_version': '2.4.48',
 410                 'chart': 'openldap-1.2.3',
 411                 'name': kdu_instance,
 412                 'namespace': self.namespace,
 413                 'revision': '1',
 414                 'status': 'deployed',
 415                 'updated': '2020-10-30 11:11:20.376744191 +0000 UTC'
 416             }
 417         ]
 418         self.helm_conn._uninstall_sw = asynctest.CoroutineMock()
 419         self.helm_conn.instances_list = asynctest.CoroutineMock(return_value=instances)
 420         self.helm_conn.uninstall = asynctest.CoroutineMock()
 421
 422         await self.helm_conn.reset(self.cluster_uuid, force=True, uninstall_sw=True)
 423         self.helm_conn.fs.sync.assert_called_once_with(from_path=self.cluster_id)
 424         self.helm_conn.fs.file_delete.assert_called_once_with(self.cluster_id,
 425                                                               ignore_non_exist=True)
 426         self.helm_conn.instances_list.assert_called_once_with(cluster_uuid=self.cluster_uuid)
 427         self.helm_conn.uninstall.assert_called_once_with(cluster_uuid=self.cluster_uuid,
 428                                                          kdu_instance=kdu_instance)
 429         self.helm_conn._uninstall_sw.assert_called_once_with(self.cluster_id, self.namespace)
 430
 431     @asynctest.fail_on(active_handles=True)
 432     async def test_sync_repos_add(self):
 433         repo_list = [
 434             {
 435                 "name": "stable",
 436                 "url": "https://kubernetes-charts.storage.googleapis.com/"
 437             }
 438         ]
 439         self.helm_conn.repo_list = asynctest.CoroutineMock(return_value=repo_list)
 440
 441         def get_one_result(*args, **kwargs):
 442             if args[0] == "k8sclusters":
 443                 return {
 444                     "_admin": {
 445                         "helm_chart_repos" : [
 446                             "4b5550a9-990d-4d95-8a48-1f4614d6ac9c"
 447                         ]
 448                     }
 449                 }
 450             elif args[0] == "k8srepos":
 451                 return {
 452                     "_id": "4b5550a9-990d-4d95-8a48-1f4614d6ac9c",
 453                     "type": "helm-chart",
 454                     "name": "bitnami",
 455                     "url": "https://charts.bitnami.com/bitnami"
 456                 }
 457         self.helm_conn.db.get_one = asynctest.Mock()
 458         self.helm_conn.db.get_one.side_effect = get_one_result
 459
 460         self.helm_conn.repo_add = asynctest.CoroutineMock()
 461         self.helm_conn.repo_remove = asynctest.CoroutineMock()
 462
 463         deleted_repo_list, added_repo_dict = await self.helm_conn.synchronize_repos(
 464             self.cluster_uuid)
 465         self.helm_conn.repo_remove.assert_not_called()
 466         self.helm_conn.repo_add.assert_called_once_with(self.cluster_uuid, "bitnami",
 467                                                         "https://charts.bitnami.com/bitnami")
 468         self.assertEqual(deleted_repo_list, [], "Deleted repo list should be empty")
 469         self.assertEqual(added_repo_dict,
 470                          {"4b5550a9-990d-4d95-8a48-1f4614d6ac9c": "bitnami"},
 471                          "Repos added should include only one bitnami")
 472
 473     @asynctest.fail_on(active_handles=True)
 474     async def test_sync_repos_delete(self):
 475         repo_list = [
 476             {
 477                 "name": "stable",
 478                 "url": "https://kubernetes-charts.storage.googleapis.com/"
 479             },
 480             {
 481                 "name": "bitnami",
 482                 "url": "https://charts.bitnami.com/bitnami"
 483             }
 484         ]
 485         self.helm_conn.repo_list = asynctest.CoroutineMock(return_value=repo_list)
 486
 487         def get_one_result(*args, **kwargs):
 488             if args[0] == "k8sclusters":
 489                 return {
 490                     "_admin": {
 491                         "helm_chart_repos": []
 492                     }
 493                 }
 494
 495         self.helm_conn.db.get_one = asynctest.Mock()
 496         self.helm_conn.db.get_one.side_effect = get_one_result
 497
 498         self.helm_conn.repo_add = asynctest.CoroutineMock()
 499         self.helm_conn.repo_remove = asynctest.CoroutineMock()
 500
 501         deleted_repo_list, added_repo_dict = await self.helm_conn.synchronize_repos(
 502             self.cluster_uuid)
 503         self.helm_conn.repo_add.assert_not_called()
 504         self.helm_conn.repo_remove.assert_called_once_with(self.cluster_uuid, "bitnami")
 505         self.assertEqual(deleted_repo_list, ["bitnami"], "Deleted repo list should be bitnami")
 506         self.assertEqual(added_repo_dict, {}, "No repos should be added")