osm_mon/tests/unit/evaluator/test_evaluator_service.py

   1 # -*- coding: utf-8 -*-
   2
   3 # Copyright 2018 Whitestack, LLC
   4 # *************************************************************
   5
   6 # This file is part of OSM Monitoring module
   7 # All Rights Reserved to Whitestack, LLC
   8
   9 # Licensed under the Apache License, Version 2.0 (the "License"); you may
  10 # not use this file except in compliance with the License. You may obtain
  11 # a copy of the License at
  12
  13 #         http://www.apache.org/licenses/LICENSE-2.0
  14
  15 # Unless required by applicable law or agreed to in writing, software
  16 # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
  17 # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
  18 # License for the specific language governing permissions and limitations
  19 # under the License.
  20 # For those usages not covered by the Apache License, Version 2.0 please
  21 # contact: bdiaz@whitestack.com or glavado@whitestack.com
  22 ##
  23 from unittest import TestCase, mock
  24
  25 from osm_mon.core.common_db import CommonDbClient
  26 from osm_mon.core.config import Config
  27 from osm_mon.core.message_bus_client import MessageBusClient
  28 from osm_mon.evaluator.backends.prometheus import PrometheusBackend
  29 from osm_mon.evaluator.evaluator import AlarmStatus
  30 from osm_mon.evaluator.service import EvaluatorService
  31
  32 vnfr_record_mock = {
  33     "_id": "0d9d06ad-3fc2-418c-9934-465e815fafe2",
  34     "ip-address": "192.168.160.2",
  35     "created-time": 1535392482.0044956,
  36     "vim-account-id": "be48ae31-1d46-4892-a4b4-d69abd55714b",
  37     "vdur": [
  38         {
  39             "interfaces": [
  40                 {
  41                     "mac-address": "fa:16:3e:71:fd:b8",
  42                     "name": "eth0",
  43                     "ip-address": "192.168.160.2",
  44                 }
  45             ],
  46             "status": "ACTIVE",
  47             "vim-id": "63a65636-9fc8-4022-b070-980823e6266a",
  48             "name": "cirros_ns-1-cirros_vnfd-VM-1",
  49             "status-detailed": None,
  50             "ip-address": "192.168.160.2",
  51             "vdu-id-ref": "cirros_vnfd-VM",
  52         }
  53     ],
  54     "id": "0d9d06ad-3fc2-418c-9934-465e815fafe2",
  55     "vnfd-ref": "cirros_vdu_scaling_vnf",
  56     "vnfd-id": "63f44c41-45ee-456b-b10d-5f08fb1796e0",
  57     "_admin": {
  58         "created": 1535392482.0067868,
  59         "projects_read": ["admin"],
  60         "modified": 1535392482.0067868,
  61         "projects_write": ["admin"],
  62     },
  63     "nsr-id-ref": "87776f33-b67c-417a-8119-cb08e4098951",
  64     "member-vnf-index-ref": "1",
  65     "connection-point": [{"name": "eth0", "id": None, "connection-point-id": None}],
  66 }
  67
  68 vnfd_record_mock = {
  69     "_id": "63f44c41-45ee-456b-b10d-5f08fb1796e0",
  70     "id": "cirros_vdu_scaling_vnf",
  71     "_admin": {},
  72     "product-name": "cirros_vdu_scaling_vnf",
  73     "version": "1.0",
  74     "vdu": [
  75         {
  76             "id": "cirros_vnfd-VM",
  77             "name": "cirros_vnfd-VM",
  78             "int-cpd": [
  79                 {
  80                     "virtual-network-interface-requirement": [{"name": "vdu-eth0"}],
  81                     "id": "vdu-eth0-int",
  82                 }
  83             ],
  84             "virtual-compute-desc": "cirros_vnfd-VM-compute",
  85             "virtual-storage-desc": ["cirros_vnfd-VM-storage"],
  86             "sw-image-desc": "cirros034",
  87             "monitoring-parameter": [
  88                 {
  89                     "id": "cirros_vnfd-VM_memory_util",
  90                     "name": "cirros_vnfd-VM_memory_util",
  91                     "performance-metric": "average_memory_utilization",
  92                 }
  93             ],
  94         }
  95     ],
  96     "virtual-compute-desc": [
  97         {
  98             "id": "cirros_vnfd-VM-compute",
  99             "virtual-cpu": {"num-virtual-cpu": 1},
 100             "virtual-memory": {"size": 1},
 101         }
 102     ],
 103     "virtual-storage-desc": [{"id": "cirros_vnfd-VM-storage", "size-of-storage": 2}],
 104     "sw-image-desc": [{"id": "cirros034", "name": "cirros034", "image": "cirros034"}],
 105     "ext-cpd": [
 106         {
 107             "int-cpd": {"vdu-id": "cirros_vnfd-VM", "cpd": "vdu-eth0-int"},
 108             "id": "vnf-cp0-ext",
 109         }
 110     ],
 111     "df": [
 112         {
 113             "id": "default-df",
 114             "vdu-profile": [{"id": "cirros_vnfd-VM"}],
 115             "instantiation-level": [
 116                 {
 117                     "id": "default-instantiation-level",
 118                     "vdu-level": [{"vdu-id": "cirros_vnfd-VM"}],
 119                 }
 120             ],
 121         }
 122     ],
 123     "description": "Simple VNF example with a cirros and a scaling group descriptor",
 124     "mgmt-cp": "vnf-cp0-ext",
 125 }
 126
 127
 128 @mock.patch.object(CommonDbClient, "__init__", lambda *args, **kwargs: None)
 129 @mock.patch.object(MessageBusClient, "__init__", lambda *args, **kwargs: None)
 130 class EvaluatorTest(TestCase):
 131     def setUp(self):
 132         super().setUp()
 133         self.config = Config()
 134
 135     @mock.patch.object(EvaluatorService, "_get_metric_value")
 136     def test_evaluate_metric(self, get_metric_value):
 137         mock_alarm = mock.Mock()
 138         mock_alarm.operation = "gt"
 139         mock_alarm.threshold = 50.0
 140         mock_alarm.metric = "metric_name"
 141         get_metric_value.return_value = 100.0
 142
 143         service = EvaluatorService(self.config)
 144         service.queue = mock.Mock()
 145         service._evaluate_metric(mock_alarm)
 146         service.queue.put.assert_called_with((mock_alarm, AlarmStatus.ALARM))
 147         service.queue.reset_mock()
 148
 149         mock_alarm.operation = "lt"
 150         service._evaluate_metric(mock_alarm)
 151         service.queue.put.assert_called_with((mock_alarm, AlarmStatus.OK))
 152         service.queue.reset_mock()
 153
 154         get_metric_value.return_value = None
 155         service._evaluate_metric(mock_alarm)
 156         service.queue.put.assert_called_with((mock_alarm, AlarmStatus.INSUFFICIENT))
 157
 158     @mock.patch("multiprocessing.Process")
 159     @mock.patch.object(EvaluatorService, "_evaluate_metric")
 160     @mock.patch.object(CommonDbClient, "get_vnfd")
 161     @mock.patch.object(CommonDbClient, "get_vnfr")
 162     @mock.patch.object(CommonDbClient, "get_alarms")
 163     def test_evaluate_alarms(
 164         self, alarm_list, get_vnfr, get_vnfd, evaluate_metric, process
 165     ):
 166         mock_alarm = mock.Mock()
 167         mock_alarm.vdur_name = "cirros_ns-1-cirros_vnfd-VM-1"
 168         mock_alarm.monitoring_param = "cirros_vnf_memory_util"
 169         mock_alarm.tags = {"name": "value"}
 170         alarm_list.return_value = [mock_alarm]
 171         get_vnfr.return_value = vnfr_record_mock
 172         get_vnfd.return_value = vnfd_record_mock
 173
 174         evaluator = EvaluatorService(self.config)
 175         evaluator.evaluate_alarms()
 176
 177         process.assert_called_with(target=evaluate_metric, args=(mock_alarm,))
 178
 179     @mock.patch.object(PrometheusBackend, "get_metric_value")
 180     def test_get_metric_value_prometheus(self, get_metric_value):
 181         self.config.set("evaluator", "backend", "prometheus")
 182         evaluator = EvaluatorService(self.config)
 183         evaluator._get_metric_value("test", {})
 184
 185         get_metric_value.assert_called_with("test", {})