--- /dev/null
+# -*- coding: utf-8 -*-
+
+# Copyright 2018 Whitestack, LLC
+# *************************************************************
+
+# This file is part of OSM Monitoring module
+# All Rights Reserved to Whitestack, LLC
+
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+
+# http://www.apache.org/licenses/LICENSE-2.0
+
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+# For those usages not covered by the Apache License, Version 2.0 please
+# contact: bdiaz@whitestack.com or glavado@whitestack.com
+##
+import asyncio
+import datetime
+from unittest import TestCase, mock
+
+from osm_policy_module.autoscaling.service import AutoscalingService
+from osm_policy_module.common.common_db_client import CommonDbClient
+from osm_policy_module.common.lcm_client import LcmClient
+from osm_policy_module.common.mon_client import MonClient
+from osm_policy_module.core.config import Config
+from osm_policy_module.core.database import ScalingAlarmRepository
+
+
+@mock.patch.object(LcmClient, "__init__", lambda *args, **kwargs: None)
+@mock.patch.object(MonClient, "__init__", lambda *args, **kwargs: None)
+@mock.patch.object(CommonDbClient, "__init__", lambda *args, **kwargs: None)
+class TestAutoscalingService(TestCase):
+
+ def setUp(self):
+ self.config = Config()
+ self.loop = asyncio.new_event_loop()
+
+ @mock.patch.object(ScalingAlarmRepository, 'get')
+ @mock.patch('osm_policy_module.core.database.db')
+ def test_update_alarm_status(self, database, get_alarm):
+ mock_alarm = mock.Mock()
+ mock_alarm.last_status = 'insufficient_data'
+ get_alarm.return_value = mock_alarm
+
+ service = AutoscalingService(self.config)
+ self.loop.run_until_complete(service.update_alarm_status('test_uuid', 'alarm'))
+ self.assertEqual(mock_alarm.last_status, 'alarm')
+ mock_alarm.save.assert_called_with()
+
+ service = AutoscalingService(self.config)
+ self.loop.run_until_complete(service.update_alarm_status('test_uuid', 'ok'))
+ self.assertEqual(mock_alarm.last_status, 'ok')
+ mock_alarm.save.assert_called_with()
+
+ service = AutoscalingService(self.config)
+ self.loop.run_until_complete(service.update_alarm_status('test_uuid', 'insufficient_data'))
+ self.assertEqual(mock_alarm.last_status, 'insufficient_data')
+ mock_alarm.save.assert_called_with()
+
+ @mock.patch.object(ScalingAlarmRepository, 'list')
+ @mock.patch.object(ScalingAlarmRepository, 'get')
+ @mock.patch('osm_policy_module.core.database.db')
+ def test_evaluate_policy_not_enabled(self, database, get_alarm, list_alarms):
+ mock_alarm = mock.Mock()
+ mock_alarm.scaling_criteria.scaling_policy.enabled = False
+ get_alarm.return_value = mock_alarm
+
+ service = AutoscalingService(self.config)
+ self.loop.run_until_complete(service.evaluate_policy('test_uuid'))
+ list_alarms.assert_not_called()
+
+ @mock.patch.object(ScalingAlarmRepository, 'list')
+ @mock.patch.object(ScalingAlarmRepository, 'get')
+ @mock.patch.object(LcmClient, 'scale')
+ @mock.patch('osm_policy_module.core.database.db')
+ def test_evaluate_policy_scale_in_and_equal(self, database, scale, get_alarm, list_alarms):
+ """
+ Tests scale in with AND operation, both alarms triggered
+ """
+ future = asyncio.Future(loop=self.loop)
+ future.set_result('mock')
+ scale.return_value = future
+
+ mock_alarm = self._build_mock_alarm(action='scale_in', last_status='alarm', enabled=True, scale_in_op='AND')
+ get_alarm.return_value = mock_alarm
+
+ mock_alarm_2 = self._build_mock_alarm(action='scale_in', last_status='alarm', enabled=True, scale_in_op='AND')
+
+ list_alarms.return_value = [mock_alarm, mock_alarm_2]
+
+ service = AutoscalingService(self.config)
+ self.loop.run_until_complete(service.evaluate_policy('test_uuid'))
+ scale.assert_called_with('test_nsr_id', 'test_group', '1', 'scale_in')
+
+ @mock.patch.object(ScalingAlarmRepository, 'list')
+ @mock.patch.object(ScalingAlarmRepository, 'get')
+ @mock.patch.object(LcmClient, 'scale')
+ @mock.patch('osm_policy_module.core.database.db')
+ def test_evaluate_policy_scale_in_and_diff(self, database, scale, get_alarm, list_alarms):
+ """
+ Tests scale in with AND operation, only one alarm triggered.
+ """
+ future = asyncio.Future(loop=self.loop)
+ future.set_result('mock')
+ scale.return_value = future
+
+ mock_alarm = self._build_mock_alarm(action='scale_in', last_status='alarm', enabled=True, scale_in_op='AND')
+ get_alarm.return_value = mock_alarm
+
+ mock_alarm_2 = self._build_mock_alarm(action='scale_in', last_status='ok', enabled=True, scale_in_op='OR')
+
+ list_alarms.return_value = [mock_alarm, mock_alarm_2]
+
+ service = AutoscalingService(self.config)
+ self.loop.run_until_complete(service.evaluate_policy('test_uuid'))
+ scale.assert_not_called()
+
+ @mock.patch.object(ScalingAlarmRepository, 'list')
+ @mock.patch.object(ScalingAlarmRepository, 'get')
+ @mock.patch.object(LcmClient, 'scale')
+ @mock.patch('osm_policy_module.core.database.db')
+ def test_evaluate_policy_scale_in_or_equal(self, database, scale, get_alarm, list_alarms):
+ """
+ Tests scale in with OR operation, both alarms triggered
+ """
+ future = asyncio.Future(loop=self.loop)
+ future.set_result('mock')
+ scale.return_value = future
+
+ mock_alarm = self._build_mock_alarm(action='scale_in', last_status='alarm', enabled=True, scale_in_op='OR')
+ get_alarm.return_value = mock_alarm
+
+ mock_alarm_2 = self._build_mock_alarm(action='scale_in', last_status='alarm', enabled=True, scale_in_op='OR')
+
+ list_alarms.return_value = [mock_alarm, mock_alarm_2]
+
+ service = AutoscalingService(self.config)
+ self.loop.run_until_complete(service.evaluate_policy('test_uuid'))
+ scale.assert_called_with('test_nsr_id', 'test_group', '1', 'scale_in')
+
+ @mock.patch.object(ScalingAlarmRepository, 'list')
+ @mock.patch.object(ScalingAlarmRepository, 'get')
+ @mock.patch.object(LcmClient, 'scale')
+ @mock.patch('osm_policy_module.core.database.db')
+ def test_evaluate_policy_scale_in_or_diff(self, database, scale, get_alarm, list_alarms):
+ """
+ Tests scale in with OR operation, only one alarm triggered
+ """
+ future = asyncio.Future(loop=self.loop)
+ future.set_result('mock')
+ scale.return_value = future
+
+ mock_alarm = self._build_mock_alarm(action='scale_in', last_status='alarm', enabled=True, scale_in_op='OR')
+ get_alarm.return_value = mock_alarm
+
+ mock_alarm_2 = self._build_mock_alarm(action='scale_in', last_status='ok', enabled=True, scale_in_op='OR')
+
+ list_alarms.return_value = [mock_alarm, mock_alarm_2]
+
+ service = AutoscalingService(self.config)
+ self.loop.run_until_complete(service.evaluate_policy('test_uuid'))
+ scale.assert_called_with('test_nsr_id', 'test_group', '1', 'scale_in')
+
+ @mock.patch.object(ScalingAlarmRepository, 'list')
+ @mock.patch.object(ScalingAlarmRepository, 'get')
+ @mock.patch.object(LcmClient, 'scale')
+ @mock.patch('osm_policy_module.core.database.db')
+ def test_evaluate_policy_scale_out_and_equal(self, database, scale, get_alarm, list_alarms):
+ """
+ Tests scale out with AND operation, both alarms triggered
+ """
+ future = asyncio.Future(loop=self.loop)
+ future.set_result('mock')
+ scale.return_value = future
+
+ mock_alarm = self._build_mock_alarm(action='scale_out', last_status='alarm', enabled=True, scale_out_op='AND')
+ get_alarm.return_value = mock_alarm
+
+ mock_alarm_2 = self._build_mock_alarm(action='scale_out', last_status='alarm', enabled=True, scale_out_op='AND')
+
+ list_alarms.return_value = [mock_alarm, mock_alarm_2]
+
+ service = AutoscalingService(self.config)
+ self.loop.run_until_complete(service.evaluate_policy('test_uuid'))
+ scale.assert_called_with('test_nsr_id', 'test_group', '1', 'scale_out')
+
+ @mock.patch.object(ScalingAlarmRepository, 'list')
+ @mock.patch.object(ScalingAlarmRepository, 'get')
+ @mock.patch.object(LcmClient, 'scale')
+ @mock.patch('osm_policy_module.core.database.db')
+ def test_evaluate_policy_scale_out_and_diff(self, database, scale, get_alarm, list_alarms):
+ """
+ Tests scale out with AND operation, only one alarm triggered.
+ """
+ future = asyncio.Future(loop=self.loop)
+ future.set_result('mock')
+ scale.return_value = future
+
+ mock_alarm = self._build_mock_alarm(action='scale_out', last_status='alarm', enabled=True, scale_out_op='AND')
+ get_alarm.return_value = mock_alarm
+
+ mock_alarm_2 = self._build_mock_alarm(action='scale_out', last_status='ok', enabled=True, scale_out_op='OR')
+
+ list_alarms.return_value = [mock_alarm, mock_alarm_2]
+
+ service = AutoscalingService(self.config)
+ self.loop.run_until_complete(service.evaluate_policy('test_uuid'))
+ scale.assert_not_called()
+
+ @mock.patch.object(ScalingAlarmRepository, 'list')
+ @mock.patch.object(ScalingAlarmRepository, 'get')
+ @mock.patch.object(LcmClient, 'scale')
+ @mock.patch('osm_policy_module.core.database.db')
+ def test_evaluate_policy_scale_out_or_equal(self, database, scale, get_alarm, list_alarms):
+ """
+ Tests scale out with OR operation, both alarms triggered
+ """
+ future = asyncio.Future(loop=self.loop)
+ future.set_result('mock')
+ scale.return_value = future
+
+ mock_alarm = self._build_mock_alarm(action='scale_out', last_status='alarm', enabled=True, scale_out_op='OR')
+ get_alarm.return_value = mock_alarm
+
+ mock_alarm_2 = self._build_mock_alarm(action='scale_out', last_status='alarm', enabled=True, scale_out_op='OR')
+
+ list_alarms.return_value = [mock_alarm, mock_alarm_2]
+
+ service = AutoscalingService(self.config)
+ self.loop.run_until_complete(service.evaluate_policy('test_uuid'))
+ scale.assert_called_with('test_nsr_id', 'test_group', '1', 'scale_out')
+
+ @mock.patch.object(ScalingAlarmRepository, 'list')
+ @mock.patch.object(ScalingAlarmRepository, 'get')
+ @mock.patch.object(LcmClient, 'scale')
+ @mock.patch('osm_policy_module.core.database.db')
+ def test_evaluate_policy_scale_out_or_diff(self, database, scale, get_alarm, list_alarms):
+ """
+ Tests scale out with OR operation, only one alarm triggered
+ """
+ future = asyncio.Future(loop=self.loop)
+ future.set_result('mock')
+ scale.return_value = future
+
+ mock_alarm = self._build_mock_alarm(action='scale_out', last_status='alarm', enabled=True, scale_out_op='OR')
+ get_alarm.return_value = mock_alarm
+
+ mock_alarm_2 = self._build_mock_alarm(action='scale_out', last_status='ok', enabled=True, scale_out_op='OR')
+
+ list_alarms.return_value = [mock_alarm, mock_alarm_2]
+
+ service = AutoscalingService(self.config)
+ self.loop.run_until_complete(service.evaluate_policy('test_uuid'))
+ scale.assert_called_with('test_nsr_id', 'test_group', '1', 'scale_out')
+
+ def _build_mock_alarm(self,
+ action='scale_in',
+ last_status='alarm',
+ last_scale=datetime.datetime.min,
+ cooldown_time=10,
+ enabled=True,
+ scale_in_op='AND',
+ scale_out_op='AND'):
+ mock_alarm = mock.Mock()
+ mock_alarm.action = action
+ mock_alarm.last_status = last_status
+ mock_alarm.vnf_member_index = '1'
+ mock_alarm.scaling_criteria.scaling_policy.last_scale = last_scale
+ mock_alarm.scaling_criteria.scaling_policy.cooldown_time = cooldown_time
+ mock_alarm.scaling_criteria.scaling_policy.enabled = enabled
+ mock_alarm.scaling_criteria.scaling_policy.scale_in_operation = scale_in_op
+ mock_alarm.scaling_criteria.scaling_policy.scale_out_operation = scale_out_op
+ mock_alarm.scaling_criteria.scaling_policy.scaling_group.nsr_id = 'test_nsr_id'
+ mock_alarm.scaling_criteria.scaling_policy.scaling_group.name = 'test_group'
+ return mock_alarm
projects / osm / POL.git / blobdiff