Feature-9904: Enhancing NG-UI to enable Juju operational view dashboard
[osm/N2VC.git] / n2vc / tests / unit / test_libjuju.py
index ae39078..36110f6 100644 (file)
 
 import asyncio
 import asynctest
+import tempfile
+from unittest import mock
 import juju
+import kubernetes
 from juju.errors import JujuAPIError
 import logging
 from .utils import FakeN2VC, FakeMachine, FakeApplication
 from n2vc.libjuju import Libjuju
 from n2vc.exceptions import (
     JujuControllerFailedConnecting,
-    JujuModelAlreadyExists,
     JujuMachineNotFound,
     JujuApplicationNotFound,
     JujuActionNotFound,
     JujuApplicationExists,
+    JujuInvalidK8sConfiguration,
+    JujuLeaderUnitNotFound,
+    JujuError,
 )
+from n2vc.k8s_juju_conn import generate_rbac_id
 
 
 class LibjujuTestCase(asynctest.TestCase):
@@ -61,13 +67,90 @@ class LibjujuTestCase(asynctest.TestCase):
             log=None,
             db={"get_one": []},
             n2vc=n2vc,
-            apt_mirror="192.168.0.100",
-            enable_os_upgrade=True,
         )
         logging.disable(logging.CRITICAL)
         loop.run_until_complete(self.libjuju.disconnect())
 
 
+@asynctest.mock.patch("n2vc.libjuju.Libjuju._create_health_check_task")
+@asynctest.mock.patch("n2vc.libjuju.Libjuju._update_api_endpoints_db")
+@asynctest.mock.patch("n2vc.libjuju.Libjuju._get_api_endpoints_db")
+class LibjujuInitTestCase(asynctest.TestCase):
+    def setUp(self):
+        self.loop = asyncio.get_event_loop()
+        self.n2vc = FakeN2VC()
+        self.endpoint = "192.168.100.100:17070"
+        self.username = "admin"
+        self.password = "secret"
+        self.cacert = """
+    -----BEGIN CERTIFICATE-----
+    SOMECERT
+    -----END CERTIFICATE-----"""
+
+    def test_endpoint_not_in_db(
+        self,
+        mock__get_api_endpoints_db,
+        mock_update_endpoints,
+        mock_create_health_check_task,
+    ):
+        mock__get_api_endpoints_db.return_value = ["another_ip"]
+        Libjuju(
+            self.endpoint,
+            "192.168.0.155:17070",
+            self.username,
+            self.password,
+            self.cacert,
+            self.loop,
+            log=None,
+            db={"get_one": []},
+            n2vc=self.n2vc,
+        )
+        mock_update_endpoints.assert_called_once_with([self.endpoint])
+        mock__get_api_endpoints_db.assert_called_once()
+
+    def test_endpoint_in_db(
+        self,
+        mock__get_api_endpoints_db,
+        mock_update_endpoints,
+        mock_create_health_check_task,
+    ):
+        mock__get_api_endpoints_db.return_value = [self.endpoint, "another_ip"]
+        Libjuju(
+            self.endpoint,
+            "192.168.0.155:17070",
+            self.username,
+            self.password,
+            self.cacert,
+            self.loop,
+            log=None,
+            db={"get_one": []},
+            n2vc=self.n2vc,
+        )
+        mock_update_endpoints.assert_not_called()
+        mock__get_api_endpoints_db.assert_called_once()
+
+    def test_no_db_endpoints(
+        self,
+        mock__get_api_endpoints_db,
+        mock_update_endpoints,
+        mock_create_health_check_task,
+    ):
+        mock__get_api_endpoints_db.return_value = None
+        Libjuju(
+            self.endpoint,
+            "192.168.0.155:17070",
+            self.username,
+            self.password,
+            self.cacert,
+            self.loop,
+            log=None,
+            db={"get_one": []},
+            n2vc=self.n2vc,
+        )
+        mock_update_endpoints.assert_called_once_with([self.endpoint])
+        mock__get_api_endpoints_db.assert_called_once()
+
+
 @asynctest.mock.patch("juju.controller.Controller.connect")
 @asynctest.mock.patch(
     "juju.controller.Controller.api_endpoints",
@@ -147,10 +230,10 @@ class AddModelTest(LibjujuTestCase):
     ):
         mock_model_exists.return_value = True
 
-        with self.assertRaises(JujuModelAlreadyExists):
-            self.loop.run_until_complete(
-                self.libjuju.add_model("existing_model", "cloud")
-            )
+        # This should not raise an exception
+        self.loop.run_until_complete(
+            self.libjuju.add_model("existing_model", "cloud")
+        )
 
         mock_disconnect_controller.assert_called()
 
@@ -176,13 +259,126 @@ class AddModelTest(LibjujuTestCase):
         mock_disconnect_model.assert_called()
 
 
+@asynctest.mock.patch("n2vc.libjuju.Libjuju.get_controller")
+@asynctest.mock.patch("n2vc.libjuju.Libjuju.get_model")
+@asynctest.mock.patch("n2vc.libjuju.Libjuju.disconnect_model")
+@asynctest.mock.patch("n2vc.libjuju.Libjuju.disconnect_controller")
+@asynctest.mock.patch(
+    "juju.model.Model.applications", new_callable=asynctest.PropertyMock
+)
+@asynctest.mock.patch("juju.model.Model.get_action_status")
+@asynctest.mock.patch("juju.model.Model.get_action_output")
+@asynctest.mock.patch("n2vc.libjuju.Libjuju.get_actions")
+class GetExecutedActionsTest(LibjujuTestCase):
+    def setUp(self):
+        super(GetExecutedActionsTest, self).setUp()
+
+    def test_exception(
+        self,
+        mock_get_actions,
+        mock_get_action_output,
+        mock_get_action_status,
+        mock_applications,
+        mock_disconnect_controller,
+        mock_disconnect_model,
+        mock_get_model,
+        mock_get_controller,
+    ):
+        mock_get_model.return_value = None
+        with self.assertRaises(JujuError):
+            self.loop.run_until_complete(self.libjuju.get_executed_actions("model"))
+
+        mock_get_controller.assert_called_once()
+        mock_disconnect_controller.assert_called_once()
+        mock_get_model.assert_called_once()
+        mock_disconnect_model.assert_not_called()
+
+    def test_success(
+        self,
+        mock_get_actions,
+        mock_get_action_output,
+        mock_get_action_status,
+        mock_applications,
+        mock_disconnect_controller,
+        mock_disconnect_model,
+        mock_get_model,
+        mock_get_controller,
+    ):
+        mock_get_model.return_value = juju.model.Model()
+        mock_applications.return_value = {"existing_app"}
+        mock_get_actions.return_value = {"action_name": "description"}
+        mock_get_action_status.return_value = {"id": "status"}
+        mock_get_action_output.return_value = {"output": "completed"}
+
+        executed_actions = self.loop.run_until_complete(
+            self.libjuju.get_executed_actions("model")
+        )
+        expected_result = [{'id': 'id', 'action': 'action_name',
+                           'status': 'status', 'output': 'completed'}]
+        self.assertListEqual(expected_result, executed_actions)
+        self.assertIsInstance(executed_actions, list)
+
+        mock_get_controller.assert_called_once()
+        mock_get_model.assert_called_once()
+        mock_disconnect_controller.assert_called_once()
+        mock_disconnect_model.assert_called_once()
+
+
+@asynctest.mock.patch("n2vc.libjuju.Libjuju.get_controller")
+@asynctest.mock.patch("n2vc.libjuju.Libjuju.get_model")
+@asynctest.mock.patch("n2vc.libjuju.Libjuju.disconnect_model")
+@asynctest.mock.patch("n2vc.libjuju.Libjuju.disconnect_controller")
+@asynctest.mock.patch("n2vc.libjuju.Libjuju._get_application")
+class GetApplicationConfigsTest(LibjujuTestCase):
+    def setUp(self):
+        super(GetApplicationConfigsTest, self).setUp()
+
+    def test_exception(
+        self,
+        mock_get_application,
+        mock_disconnect_controller,
+        mock_disconnect_model,
+        mock_get_model,
+        mock_get_controller,
+    ):
+        mock_get_model.return_value = None
+        with self.assertRaises(JujuError):
+            self.loop.run_until_complete(
+                self.libjuju.get_application_configs("model", "app"))
+
+        mock_get_controller.assert_called_once()
+        mock_disconnect_controller.assert_called_once()
+        mock_get_model.assert_called_once()
+        mock_disconnect_model.assert_not_called()
+
+    def test_success(
+        self,
+        mock_get_application,
+        mock_disconnect_controller,
+        mock_disconnect_model,
+        mock_get_model,
+        mock_get_controller,
+    ):
+        mock_get_application.return_value = FakeApplication()
+        application_configs = self.loop.run_until_complete(self.libjuju
+                                                           .get_application_configs("model", "app"))
+
+        self.assertEqual(application_configs, ["app_config"])
+
+        mock_get_controller.assert_called_once()
+        mock_get_model.assert_called_once()
+        mock_disconnect_controller.assert_called_once()
+        mock_disconnect_model.assert_called_once()
+
+
 @asynctest.mock.patch("juju.controller.Controller.get_model")
 class GetModelTest(LibjujuTestCase):
     def setUp(self):
         super(GetModelTest, self).setUp()
 
     def test_get_model(
-        self, mock_get_model,
+        self,
+        mock_get_model,
     ):
         mock_get_model.return_value = juju.model.Model()
         model = self.loop.run_until_complete(
@@ -198,7 +394,9 @@ class ModelExistsTest(LibjujuTestCase):
         super(ModelExistsTest, self).setUp()
 
     async def test_existing_model(
-        self, mock_list_models, mock_get_controller,
+        self,
+        mock_list_models,
+        mock_get_controller,
     ):
         mock_list_models.return_value = ["existing_model"]
         self.assertTrue(
@@ -209,7 +407,10 @@ class ModelExistsTest(LibjujuTestCase):
 
     @asynctest.mock.patch("n2vc.libjuju.Libjuju.disconnect_controller")
     async def test_no_controller(
-        self, mock_disconnect_controller, mock_list_models, mock_get_controller,
+        self,
+        mock_disconnect_controller,
+        mock_list_models,
+        mock_get_controller,
     ):
         mock_list_models.return_value = ["existing_model"]
         mock_get_controller.return_value = juju.controller.Controller()
@@ -217,7 +418,9 @@ class ModelExistsTest(LibjujuTestCase):
         mock_disconnect_controller.assert_called_once()
 
     async def test_non_existing_model(
-        self, mock_list_models, mock_get_controller,
+        self,
+        mock_list_models,
+        mock_get_controller,
     ):
         mock_list_models.return_value = ["existing_model"]
         self.assertFalse(
@@ -363,6 +566,71 @@ class CreateMachineTest(LibjujuTestCase):
 # TODO test provision machine
 
 
+@asynctest.mock.patch("n2vc.libjuju.Libjuju.get_controller")
+@asynctest.mock.patch("n2vc.libjuju.Libjuju.get_model")
+@asynctest.mock.patch("n2vc.libjuju.Libjuju.disconnect_model")
+@asynctest.mock.patch("n2vc.libjuju.Libjuju.disconnect_controller")
+@asynctest.mock.patch("n2vc.juju_watcher.JujuModelWatcher.wait_for_model")
+@asynctest.mock.patch("juju.model.Model.deploy")
+class DeployTest(LibjujuTestCase):
+    def setUp(self):
+        super(DeployTest, self).setUp()
+
+    def test_deploy(
+        self,
+        mock_deploy,
+        mock_wait_for_model,
+        mock_disconnect_controller,
+        mock_disconnect_model,
+        mock_get_model,
+        mock_get_controller,
+    ):
+        mock_get_model.return_value = juju.model.Model()
+        self.loop.run_until_complete(
+            self.libjuju.deploy("cs:osm", "model", wait=True, timeout=0)
+        )
+        mock_deploy.assert_called_once()
+        mock_wait_for_model.assert_called_once()
+        mock_disconnect_controller.assert_called_once()
+        mock_disconnect_model.assert_called_once()
+
+    def test_deploy_no_wait(
+        self,
+        mock_deploy,
+        mock_wait_for_model,
+        mock_disconnect_controller,
+        mock_disconnect_model,
+        mock_get_model,
+        mock_get_controller,
+    ):
+        mock_get_model.return_value = juju.model.Model()
+        self.loop.run_until_complete(
+            self.libjuju.deploy("cs:osm", "model", wait=False, timeout=0)
+        )
+        mock_deploy.assert_called_once()
+        mock_wait_for_model.assert_not_called()
+        mock_disconnect_controller.assert_called_once()
+        mock_disconnect_model.assert_called_once()
+
+    def test_deploy_exception(
+        self,
+        mock_deploy,
+        mock_wait_for_model,
+        mock_disconnect_controller,
+        mock_disconnect_model,
+        mock_get_model,
+        mock_get_controller,
+    ):
+        mock_deploy.side_effect = Exception()
+        mock_get_model.return_value = juju.model.Model()
+        with self.assertRaises(Exception):
+            self.loop.run_until_complete(self.libjuju.deploy("cs:osm", "model"))
+        mock_deploy.assert_called_once()
+        mock_wait_for_model.assert_not_called()
+        mock_disconnect_controller.assert_called_once()
+        mock_disconnect_model.assert_called_once()
+
+
 @asynctest.mock.patch("n2vc.libjuju.Libjuju.get_controller")
 @asynctest.mock.patch("n2vc.libjuju.Libjuju.get_model")
 @asynctest.mock.patch("n2vc.libjuju.Libjuju.disconnect_model")
@@ -396,7 +664,12 @@ class DeployCharmTest(LibjujuTestCase):
         application = None
         with self.assertRaises(JujuApplicationExists):
             application = self.loop.run_until_complete(
-                self.libjuju.deploy_charm("existing_app", "path", "model", "machine",)
+                self.libjuju.deploy_charm(
+                    "existing_app",
+                    "path",
+                    "model",
+                    "machine",
+                )
             )
         self.assertIsNone(application)
 
@@ -420,7 +693,12 @@ class DeployCharmTest(LibjujuTestCase):
         application = None
         with self.assertRaises(JujuMachineNotFound):
             application = self.loop.run_until_complete(
-                self.libjuju.deploy_charm("app", "path", "model", "machine",)
+                self.libjuju.deploy_charm(
+                    "app",
+                    "path",
+                    "model",
+                    "machine",
+                )
             )
 
         self.assertIsNone(application)
@@ -446,7 +724,11 @@ class DeployCharmTest(LibjujuTestCase):
         mock_deploy.return_value = FakeApplication()
         application = self.loop.run_until_complete(
             self.libjuju.deploy_charm(
-                "app", "path", "model", "existing_machine", num_units=2,
+                "app",
+                "path",
+                "model",
+                "existing_machine",
+                num_units=2,
             )
         )
 
@@ -496,7 +778,8 @@ class GetApplicationTest(LibjujuTestCase):
         super(GetApplicationTest, self).setUp()
 
     def test_existing_application(
-        self, mock_applications,
+        self,
+        mock_applications,
     ):
         mock_applications.return_value = {"existing_app": "exists"}
         model = juju.model.Model()
@@ -504,7 +787,8 @@ class GetApplicationTest(LibjujuTestCase):
         self.assertEqual(result, "exists")
 
     def test_non_existing_application(
-        self, mock_applications,
+        self,
+        mock_applications,
     ):
         mock_applications.return_value = {"existing_app": "exists"}
         model = juju.model.Model()
@@ -541,7 +825,11 @@ class ExecuteActionTest(LibjujuTestCase):
         status = None
         with self.assertRaises(JujuApplicationNotFound):
             output, status = self.loop.run_until_complete(
-                self.libjuju.execute_action("app", "model", "action",)
+                self.libjuju.execute_action(
+                    "app",
+                    "model",
+                    "action",
+                )
             )
         self.assertIsNone(output)
         self.assertIsNone(status)
@@ -567,7 +855,11 @@ class ExecuteActionTest(LibjujuTestCase):
         status = None
         with self.assertRaises(JujuActionNotFound):
             output, status = self.loop.run_until_complete(
-                self.libjuju.execute_action("app", "model", "action",)
+                self.libjuju.execute_action(
+                    "app",
+                    "model",
+                    "action",
+                )
             )
         self.assertIsNone(output)
         self.assertIsNone(status)
@@ -575,7 +867,39 @@ class ExecuteActionTest(LibjujuTestCase):
         mock_disconnect_controller.assert_called()
         mock_disconnect_model.assert_called()
 
-    # TODO no leader unit found exception
+    @asynctest.mock.patch("asyncio.sleep")
+    @asynctest.mock.patch("n2vc.tests.unit.utils.FakeUnit.is_leader_from_status")
+    def test_no_leader(
+        self,
+        mock_is_leader_from_status,
+        mock_sleep,
+        mock_get_action_status,
+        mock_get_action_output,
+        mock_wait_for,
+        mock__get_application,
+        mock_disconnect_controller,
+        mock_disconnect_model,
+        mock_get_model,
+        mock_get_controller,
+    ):
+        mock_get_model.return_value = juju.model.Model()
+        mock__get_application.return_value = FakeApplication()
+        mock_is_leader_from_status.return_value = False
+        output = None
+        status = None
+        with self.assertRaises(JujuLeaderUnitNotFound):
+            output, status = self.loop.run_until_complete(
+                self.libjuju.execute_action(
+                    "app",
+                    "model",
+                    "action",
+                )
+            )
+        self.assertIsNone(output)
+        self.assertIsNone(status)
+
+        mock_disconnect_controller.assert_called()
+        mock_disconnect_model.assert_called()
 
     def test_succesful_exec(
         self,
@@ -652,6 +976,70 @@ class GetActionTest(LibjujuTestCase):
         mock_disconnect_model.assert_called_once()
 
 
+@asynctest.mock.patch("n2vc.libjuju.Libjuju.get_controller")
+@asynctest.mock.patch("n2vc.libjuju.Libjuju.get_model")
+@asynctest.mock.patch("n2vc.libjuju.Libjuju.disconnect_model")
+@asynctest.mock.patch("n2vc.libjuju.Libjuju.disconnect_controller")
+@asynctest.mock.patch("juju.application.Application.get_metrics")
+@asynctest.mock.patch("n2vc.libjuju.Libjuju._get_application")
+class GetMetricsTest(LibjujuTestCase):
+    def setUp(self):
+        super(GetMetricsTest, self).setUp()
+
+    def test_get_metrics_success(
+        self,
+        mock_get_application,
+        mock_get_metrics,
+        mock_disconnect_controller,
+        mock_disconnect_model,
+        mock_get_model,
+        mock_get_controller,
+    ):
+        mock_get_application.return_value = FakeApplication()
+        mock_get_model.return_value = juju.model.Model()
+
+        self.loop.run_until_complete(self.libjuju.get_metrics("model", "app1"))
+
+        mock_disconnect_controller.assert_called_once()
+        mock_disconnect_model.assert_called_once()
+
+    def test_get_metrics_exception(
+        self,
+        mock_get_application,
+        mock_get_metrics,
+        mock_disconnect_controller,
+        mock_disconnect_model,
+        mock_get_model,
+        mock_get_controller,
+    ):
+        mock_get_model.return_value = juju.model.Model()
+        mock_get_metrics.side_effect = Exception()
+        with self.assertRaises(Exception):
+            self.loop.run_until_complete(self.libjuju.get_metrics("model", "app1"))
+
+        mock_disconnect_controller.assert_called_once()
+        mock_disconnect_model.assert_called_once()
+
+    def test_missing_args_exception(
+        self,
+        mock_get_application,
+        mock_get_metrics,
+        mock_disconnect_controller,
+        mock_disconnect_model,
+        mock_get_model,
+        mock_get_controller,
+    ):
+        mock_get_model.return_value = juju.model.Model()
+
+        with self.assertRaises(Exception):
+            self.loop.run_until_complete(self.libjuju.get_metrics("", ""))
+
+        mock_get_controller.assert_not_called()
+        mock_get_model.assert_not_called()
+        mock_disconnect_controller.assert_not_called()
+        mock_disconnect_model.assert_not_called()
+
+
 @asynctest.mock.patch("n2vc.libjuju.Libjuju.get_controller")
 @asynctest.mock.patch("n2vc.libjuju.Libjuju.get_model")
 @asynctest.mock.patch("n2vc.libjuju.Libjuju.disconnect_model")
@@ -678,7 +1066,11 @@ class AddRelationTest(LibjujuTestCase):
         mock_add_relation.side_effect = JujuAPIError(result)
 
         self.loop.run_until_complete(
-            self.libjuju.add_relation("model", "app1:relation1", "app2:relation2",)
+            self.libjuju.add_relation(
+                "model",
+                "app1:relation1",
+                "app2:relation2",
+            )
         )
 
         mock_warning.assert_called_with("Relation not found: not found")
@@ -702,7 +1094,11 @@ class AddRelationTest(LibjujuTestCase):
         mock_add_relation.side_effect = JujuAPIError(result)
 
         self.loop.run_until_complete(
-            self.libjuju.add_relation("model", "app1:relation1", "app2:relation2",)
+            self.libjuju.add_relation(
+                "model",
+                "app1:relation1",
+                "app2:relation2",
+            )
         )
 
         mock_warning.assert_called_with("Relation already exists: already exists")
@@ -723,7 +1119,11 @@ class AddRelationTest(LibjujuTestCase):
 
         with self.assertRaises(JujuAPIError):
             self.loop.run_until_complete(
-                self.libjuju.add_relation("model", "app1:relation1", "app2:relation2",)
+                self.libjuju.add_relation(
+                    "model",
+                    "app1:relation1",
+                    "app2:relation2",
+                )
             )
 
         mock_disconnect_controller.assert_called_once()
@@ -740,7 +1140,11 @@ class AddRelationTest(LibjujuTestCase):
         mock_get_model.return_value = juju.model.Model()
 
         self.loop.run_until_complete(
-            self.libjuju.add_relation("model", "app1:relation1", "app2:relation2",)
+            self.libjuju.add_relation(
+                "model",
+                "app1:relation1",
+                "app2:relation2",
+            )
         )
 
         mock_add_relation.assert_called_with("app1:relation1", "app2:relation2")
@@ -758,7 +1162,11 @@ class AddRelationTest(LibjujuTestCase):
         mock_get_model.return_value = juju.model.Model()
 
         self.loop.run_until_complete(
-            self.libjuju.add_relation("model", "app1:relation1", "saas_name",)
+            self.libjuju.add_relation(
+                "model",
+                "app1:relation1",
+                "saas_name",
+            )
         )
 
         mock_add_relation.assert_called_with("app1:relation1", "saas_name")
@@ -769,37 +1177,37 @@ class AddRelationTest(LibjujuTestCase):
 # TODO destroy_model testcase
 
 
-@asynctest.mock.patch("juju.model.Model.get_machines")
-@asynctest.mock.patch("logging.Logger.debug")
-class DestroyMachineTest(LibjujuTestCase):
-    def setUp(self):
-        super(DestroyMachineTest, self).setUp()
-
-    def test_success(
-        self, mock_debug, mock_get_machines,
-    ):
-        mock_get_machines.side_effect = [
-            {"machine": FakeMachine()},
-            {"machine": FakeMachine()},
-            {},
-        ]
-        self.loop.run_until_complete(
-            self.libjuju.destroy_machine(juju.model.Model(), "machine", 2,)
-        )
-        calls = [
-            asynctest.call("Waiting for machine machine is destroyed"),
-            asynctest.call("Machine destroyed: machine"),
-        ]
-        mock_debug.assert_has_calls(calls)
-
-    def test_no_machine(
-        self, mock_debug, mock_get_machines,
-    ):
-        mock_get_machines.return_value = {}
-        self.loop.run_until_complete(
-            self.libjuju.destroy_machine(juju.model.Model(), "machine", 2,)
-        )
-        mock_debug.assert_called_with("Machine not found: machine")
+@asynctest.mock.patch("juju.model.Model.get_machines")
+@asynctest.mock.patch("logging.Logger.debug")
+class DestroyMachineTest(LibjujuTestCase):
+    def setUp(self):
+        super(DestroyMachineTest, self).setUp()
+
+#     def test_success_manual_machine(
+        self, mock_debug, mock_get_machines,
+    ):
+        mock_get_machines.side_effect = [
+#             {"machine": FakeManualMachine()},
+#             {"machine": FakeManualMachine()},
+            {},
+        ]
+        self.loop.run_until_complete(
+            self.libjuju.destroy_machine(juju.model.Model(), "machine", 2,)
+        )
+        calls = [
+            asynctest.call("Waiting for machine machine is destroyed"),
+            asynctest.call("Machine destroyed: machine"),
+        ]
+        mock_debug.assert_has_calls(calls)
+
+    def test_no_machine(
+        self, mock_debug, mock_get_machines,
+    ):
+        mock_get_machines.return_value = {}
+        self.loop.run_until_complete(
+#             self.libjuju.destroy_machine(juju.model.Model(), "machine", 2)
+        )
+        mock_debug.assert_called_with("Machine not found: machine")
 
 
 @asynctest.mock.patch("n2vc.libjuju.Libjuju.get_controller")
@@ -823,7 +1231,11 @@ class ConfigureApplicationTest(LibjujuTestCase):
         mock_get_application.return_value = FakeApplication()
 
         self.loop.run_until_complete(
-            self.libjuju.configure_application("model", "app", {"config"},)
+            self.libjuju.configure_application(
+                "model",
+                "app",
+                {"config"},
+            )
         )
         mock_get_application.assert_called_once()
         mock_disconnect_controller.assert_called_once()
@@ -842,11 +1254,64 @@ class ConfigureApplicationTest(LibjujuTestCase):
 
         with self.assertRaises(Exception):
             self.loop.run_until_complete(
-                self.libjuju.configure_application("model", "app", {"config"},)
+                self.libjuju.configure_application(
+                    "model",
+                    "app",
+                    {"config"},
+                )
             )
         mock_disconnect_controller.assert_called_once()
         mock_disconnect_model.assert_called_once()
 
+    def test_controller_exception(
+        self,
+        mock_get_application,
+        mock_disconnect_controller,
+        mock_disconnect_model,
+        mock_get_model,
+        mock_get_controller,
+    ):
+
+        result = {"error": "not found", "response": "response", "request-id": 1}
+
+        mock_get_controller.side_effect = JujuAPIError(result)
+
+        with self.assertRaises(JujuAPIError):
+            self.loop.run_until_complete(
+                self.libjuju.configure_application(
+                    "model",
+                    "app",
+                    {"config"},
+                )
+            )
+        mock_get_model.assert_not_called()
+        mock_disconnect_controller.assert_not_called()
+        mock_disconnect_model.assert_not_called()
+
+    def test_get_model_exception(
+        self,
+        mock_get_application,
+        mock_disconnect_controller,
+        mock_disconnect_model,
+        mock_get_model,
+        mock_get_controller,
+    ):
+
+        result = {"error": "not found", "response": "response", "request-id": 1}
+        mock_get_model.side_effect = JujuAPIError(result)
+
+        with self.assertRaises(JujuAPIError):
+            self.loop.run_until_complete(
+                self.libjuju.configure_application(
+                    "model",
+                    "app",
+                    {"config"},
+                )
+            )
+        mock_get_model.assert_called_once()
+        mock_disconnect_controller.assert_called_once()
+        mock_disconnect_model.assert_not_called()
+
 
 # TODO _get_api_endpoints_db test case
 # TODO _update_api_endpoints_db test case
@@ -861,7 +1326,10 @@ class ListModelsTest(LibjujuTestCase):
         super(ListModelsTest, self).setUp()
 
     def test_containing(
-        self, mock_list_models, mock_disconnect_controller, mock_get_controller,
+        self,
+        mock_list_models,
+        mock_disconnect_controller,
+        mock_get_controller,
     ):
         mock_get_controller.return_value = juju.controller.Controller()
         mock_list_models.return_value = ["existingmodel"]
@@ -871,7 +1339,10 @@ class ListModelsTest(LibjujuTestCase):
         self.assertEquals(models, ["existingmodel"])
 
     def test_not_containing(
-        self, mock_list_models, mock_disconnect_controller, mock_get_controller,
+        self,
+        mock_list_models,
+        mock_disconnect_controller,
+        mock_get_controller,
     ):
         mock_get_controller.return_value = juju.controller.Controller()
         mock_list_models.return_value = ["existingmodel", "model"]
@@ -881,7 +1352,10 @@ class ListModelsTest(LibjujuTestCase):
         self.assertEquals(models, [])
 
     def test_no_contains_arg(
-        self, mock_list_models, mock_disconnect_controller, mock_get_controller,
+        self,
+        mock_list_models,
+        mock_disconnect_controller,
+        mock_get_controller,
     ):
         mock_get_controller.return_value = juju.controller.Controller()
         mock_list_models.return_value = ["existingmodel", "model"]
@@ -933,7 +1407,10 @@ class ListOffers(LibjujuTestCase):
         super(ListOffers, self).setUp()
 
     def test_disconnect_controller(
-        self, mock_list_offers, mock_disconnect_controller, mock_get_controller,
+        self,
+        mock_list_offers,
+        mock_disconnect_controller,
+        mock_get_controller,
     ):
         mock_get_controller.return_value = juju.controller.Controller()
         mock_list_offers.side_effect = Exception()
@@ -942,7 +1419,10 @@ class ListOffers(LibjujuTestCase):
         mock_disconnect_controller.assert_called_once()
 
     def test_empty_list(
-        self, mock_list_offers, mock_disconnect_controller, mock_get_controller,
+        self,
+        mock_list_offers,
+        mock_disconnect_controller,
+        mock_get_controller,
     ):
         mock_get_controller.return_value = juju.controller.Controller()
         mock_list_offers.return_value = []
@@ -951,7 +1431,10 @@ class ListOffers(LibjujuTestCase):
         mock_disconnect_controller.assert_called_once()
 
     def test_non_empty_list(
-        self, mock_list_offers, mock_disconnect_controller, mock_get_controller,
+        self,
+        mock_list_offers,
+        mock_disconnect_controller,
+        mock_get_controller,
     ):
         mock_get_controller.return_value = juju.controller.Controller()
         mock_list_offers.return_value = ["offer"]
@@ -1048,49 +1531,61 @@ class ConsumeTest(LibjujuTestCase):
         mock_disconnect_controller.assert_called_once()
 
 
+@asynctest.mock.patch("n2vc.libjuju.Libjuju.get_k8s_cloud_credential")
 @asynctest.mock.patch("n2vc.libjuju.Libjuju.add_cloud")
 class AddK8sTest(LibjujuTestCase):
     def setUp(self):
         super(AddK8sTest, self).setUp()
-        self.auth_data = {
-            "server": "https://192.168.0.21:16443",
-            "token": "1234",
-            "cacert": "cacert",
+        name = "cloud"
+        rbac_id = generate_rbac_id()
+        token = "token"
+        client_cert_data = "cert"
+        configuration = kubernetes.client.configuration.Configuration()
+        storage_class = "storage_class"
+        credential_name = name
+
+        self._add_k8s_args = {
+            "name": name,
+            "rbac_id": rbac_id,
+            "token": token,
+            "client_cert_data": client_cert_data,
+            "configuration": configuration,
+            "storage_class": storage_class,
+            "credential_name": credential_name,
         }
 
-    def test_add_k8s(self, mock_add_cloud):
-        self.loop.run_until_complete(
-            self.libjuju.add_k8s("cloud", self.auth_data, "storage_class")
-        )
+    def test_add_k8s(self, mock_add_cloud, mock_get_k8s_cloud_credential):
+        self.loop.run_until_complete(self.libjuju.add_k8s(**self._add_k8s_args))
         mock_add_cloud.assert_called_once()
+        mock_get_k8s_cloud_credential.assert_called_once()
 
-    def test_add_k8s_exception(self, mock_add_cloud):
+    def test_add_k8s_exception(self, mock_add_cloud, mock_get_k8s_cloud_credential):
         mock_add_cloud.side_effect = Exception()
         with self.assertRaises(Exception):
-            self.loop.run_until_complete(
-                self.libjuju.add_k8s("cloud", self.auth_data, "storage_class")
-            )
+            self.loop.run_until_complete(self.libjuju.add_k8s(**self._add_k8s_args))
         mock_add_cloud.assert_called_once()
+        mock_get_k8s_cloud_credential.assert_called_once()
 
-    def test_add_k8s_missing_name(self, mock_add_cloud):
+    def test_add_k8s_missing_name(self, mock_add_cloud, mock_get_k8s_cloud_credential):
+        self._add_k8s_args["name"] = ""
         with self.assertRaises(Exception):
-            self.loop.run_until_complete(
-                self.libjuju.add_k8s("", self.auth_data, "storage_class")
-            )
+            self.loop.run_until_complete(self.libjuju.add_k8s(**self._add_k8s_args))
         mock_add_cloud.assert_not_called()
 
-    def test_add_k8s_missing_storage_name(self, mock_add_cloud):
+    def test_add_k8s_missing_storage_name(
+        self, mock_add_cloud, mock_get_k8s_cloud_credential
+    ):
+        self._add_k8s_args["storage_class"] = ""
         with self.assertRaises(Exception):
-            self.loop.run_until_complete(
-                self.libjuju.add_k8s("cloud", self.auth_data, "")
-            )
+            self.loop.run_until_complete(self.libjuju.add_k8s(**self._add_k8s_args))
         mock_add_cloud.assert_not_called()
 
-    def test_add_k8s_missing_auth_data_keys(self, mock_add_cloud):
+    def test_add_k8s_missing_configuration_keys(
+        self, mock_add_cloud, mock_get_k8s_cloud_credential
+    ):
+        self._add_k8s_args["configuration"] = None
         with self.assertRaises(Exception):
-            self.loop.run_until_complete(
-                self.libjuju.add_k8s("cloud", {}, "")
-            )
+            self.loop.run_until_complete(self.libjuju.add_k8s(**self._add_k8s_args))
         mock_add_cloud.assert_not_called()
 
 
@@ -1187,7 +1682,10 @@ class RemoveCloudTest(LibjujuTestCase):
         super(RemoveCloudTest, self).setUp()
 
     def test_remove_cloud(
-        self, mock_remove_cloud, mock_disconnect_controller, mock_get_controller,
+        self,
+        mock_remove_cloud,
+        mock_disconnect_controller,
+        mock_get_controller,
     ):
         mock_get_controller.return_value = juju.controller.Controller()
 
@@ -1196,7 +1694,10 @@ class RemoveCloudTest(LibjujuTestCase):
         mock_disconnect_controller.assert_called_once()
 
     def test_remove_cloud_exception(
-        self, mock_remove_cloud, mock_disconnect_controller, mock_get_controller,
+        self,
+        mock_remove_cloud,
+        mock_disconnect_controller,
+        mock_get_controller,
     ):
         mock_get_controller.return_value = juju.controller.Controller()
         mock_remove_cloud.side_effect = Exception()
@@ -1205,3 +1706,197 @@ class RemoveCloudTest(LibjujuTestCase):
             self.loop.run_until_complete(self.libjuju.remove_cloud("cloud"))
         mock_remove_cloud.assert_called_once_with("cloud")
         mock_disconnect_controller.assert_called_once()
+
+
+@asynctest.mock.patch("kubernetes.client.configuration.Configuration")
+class GetK8sCloudCredentials(LibjujuTestCase):
+    def setUp(self):
+        super(GetK8sCloudCredentials, self).setUp()
+        self.cert_data = "cert"
+        self.token = "token"
+
+    @asynctest.mock.patch("n2vc.exceptions.JujuInvalidK8sConfiguration")
+    def test_not_supported(self, mock_exception, mock_configuration):
+        mock_configuration.username = ""
+        mock_configuration.password = ""
+        mock_configuration.ssl_ca_cert = None
+        mock_configuration.cert_file = None
+        mock_configuration.key_file = None
+        exception_raised = False
+        self.token = None
+        self.cert_data = None
+        try:
+            _ = self.libjuju.get_k8s_cloud_credential(
+                mock_configuration,
+                self.cert_data,
+                self.token,
+            )
+        except JujuInvalidK8sConfiguration as e:
+            exception_raised = True
+            self.assertEqual(
+                e.message,
+                "authentication method not supported",
+            )
+        self.assertTrue(exception_raised)
+
+    def test_user_pass(self, mock_configuration):
+        mock_configuration.username = "admin"
+        mock_configuration.password = "admin"
+        mock_configuration.ssl_ca_cert = None
+        mock_configuration.cert_file = None
+        mock_configuration.key_file = None
+        self.token = None
+        self.cert_data = None
+        credential = self.libjuju.get_k8s_cloud_credential(
+            mock_configuration,
+            self.cert_data,
+            self.token,
+        )
+        self.assertEqual(
+            credential,
+            juju.client._definitions.CloudCredential(
+                attrs={"username": "admin", "password": "admin"}, auth_type="userpass"
+            ),
+        )
+
+    def test_user_pass_with_cert(self, mock_configuration):
+        mock_configuration.username = "admin"
+        mock_configuration.password = "admin"
+        mock_configuration.ssl_ca_cert = None
+        mock_configuration.cert_file = None
+        mock_configuration.key_file = None
+        self.token = None
+        credential = self.libjuju.get_k8s_cloud_credential(
+            mock_configuration,
+            self.cert_data,
+            self.token,
+        )
+        self.assertEqual(
+            credential,
+            juju.client._definitions.CloudCredential(
+                attrs={
+                    "ClientCertificateData": self.cert_data,
+                    "username": "admin",
+                    "password": "admin",
+                },
+                auth_type="userpasswithcert",
+            ),
+        )
+
+    def test_user_no_pass(self, mock_configuration):
+        mock_configuration.username = "admin"
+        mock_configuration.password = ""
+        mock_configuration.ssl_ca_cert = None
+        mock_configuration.cert_file = None
+        mock_configuration.key_file = None
+        self.token = None
+        self.cert_data = None
+        with mock.patch.object(self.libjuju.log, "debug") as mock_debug:
+            credential = self.libjuju.get_k8s_cloud_credential(
+                mock_configuration,
+                self.cert_data,
+                self.token,
+            )
+            self.assertEqual(
+                credential,
+                juju.client._definitions.CloudCredential(
+                    attrs={"username": "admin", "password": ""}, auth_type="userpass"
+                ),
+            )
+            mock_debug.assert_called_once_with(
+                "credential for user admin has empty password"
+            )
+
+    def test_cert(self, mock_configuration):
+        mock_configuration.username = ""
+        mock_configuration.password = ""
+        mock_configuration.api_key = {"authorization": "Bearer Token"}
+        ssl_ca_cert = tempfile.NamedTemporaryFile()
+        with open(ssl_ca_cert.name, "w") as ssl_ca_cert_file:
+            ssl_ca_cert_file.write("cacert")
+        mock_configuration.ssl_ca_cert = ssl_ca_cert.name
+        mock_configuration.cert_file = None
+        mock_configuration.key_file = None
+        credential = self.libjuju.get_k8s_cloud_credential(
+            mock_configuration,
+            self.cert_data,
+            self.token,
+        )
+        self.assertEqual(
+            credential,
+            juju.client._definitions.CloudCredential(
+                attrs={"ClientCertificateData": self.cert_data, "Token": self.token},
+                auth_type="certificate",
+            ),
+        )
+
+    # TODO: Fix this test when oauth authentication is supported
+    # def test_oauth2(self, mock_configuration):
+    #     mock_configuration.username = ""
+    #     mock_configuration.password = ""
+    #     mock_configuration.api_key = {"authorization": "Bearer Token"}
+    #     key = tempfile.NamedTemporaryFile()
+    #     with open(key.name, "w") as key_file:
+    #         key_file.write("key")
+    #     mock_configuration.ssl_ca_cert = None
+    #     mock_configuration.cert_file = None
+    #     mock_configuration.key_file = key.name
+    #     credential = self.libjuju.get_k8s_cloud_credential(
+    #         mock_configuration,
+    #         self.cert_data,
+    #         self.token,
+    #     )
+    #     self.assertEqual(
+    #         credential,
+    #         juju.client._definitions.CloudCredential(
+    #             attrs={"ClientKeyData": "key", "Token": "Token"},
+    #             auth_type="oauth2",
+    #         ),
+    #     )
+
+    # @asynctest.mock.patch("n2vc.exceptions.JujuInvalidK8sConfiguration")
+    # def test_oauth2_missing_token(self, mock_exception, mock_configuration):
+    #     mock_configuration.username = ""
+    #     mock_configuration.password = ""
+    #     key = tempfile.NamedTemporaryFile()
+    #     with open(key.name, "w") as key_file:
+    #         key_file.write("key")
+    #     mock_configuration.ssl_ca_cert = None
+    #     mock_configuration.cert_file = None
+    #     mock_configuration.key_file = key.name
+    #     exception_raised = False
+    #     try:
+    #         _ = self.libjuju.get_k8s_cloud_credential(
+    #             mock_configuration,
+    #             self.cert_data,
+    #             self.token,
+    #         )
+    #     except JujuInvalidK8sConfiguration as e:
+    #         exception_raised = True
+    #         self.assertEqual(
+    #             e.message,
+    #             "missing token for auth type oauth2",
+    #         )
+    #     self.assertTrue(exception_raised)
+
+    def test_exception_cannot_set_token_and_userpass(self, mock_configuration):
+        mock_configuration.username = "admin"
+        mock_configuration.password = "pass"
+        mock_configuration.api_key = {"authorization": "No_bearer_token"}
+        mock_configuration.ssl_ca_cert = None
+        mock_configuration.cert_file = None
+        mock_configuration.key_file = None
+        exception_raised = False
+        try:
+            _ = self.libjuju.get_k8s_cloud_credential(
+                mock_configuration,
+                self.cert_data,
+                self.token,
+            )
+        except JujuInvalidK8sConfiguration as e:
+            exception_raised = True
+            self.assertEqual(
+                e.message,
+                "Cannot set both token and user/pass",
+            )
+        self.assertTrue(exception_raised)