osm_mon/tests/unit/collector/vnf_collectors/test_openstack.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 import datetime
  24 from unittest import TestCase, mock
  25
  26 import gnocchiclient
  27
  28 from osm_mon.collector.vnf_collectors.openstack import GnocchiBackend
  29 from osm_mon.core.config import Config
  30
  31
  32 class CollectorTest(TestCase):
  33     def setUp(self):
  34         super().setUp()
  35         self.config = Config()
  36
  37     def tearDown(self):
  38         super().tearDown()
  39
  40     @mock.patch.object(GnocchiBackend, '_build_neutron_client')
  41     @mock.patch.object(GnocchiBackend, '_build_gnocchi_client')
  42     def test_collect_gnocchi_rate_instance(self, build_gnocchi_client, _):
  43         mock_gnocchi_client = mock.Mock()
  44         mock_gnocchi_client.metric = mock.Mock()
  45         mock_gnocchi_client.metric.get_measures.return_value = [(datetime.datetime(2019, 4, 12, 15, 43,
  46                                                                                    tzinfo=datetime.timezone(
  47                                                                                        datetime.timedelta(0),
  48                                                                                        '+00:00')), 60.0, 0.0345442539),
  49                                                                 (datetime.datetime(2019, 4, 12, 15, 44,
  50                                                                                    tzinfo=datetime.timezone(
  51                                                                                        datetime.timedelta(0),
  52                                                                                        '+00:00')), 60.0, 600000000)]
  53         build_gnocchi_client.return_value = mock_gnocchi_client
  54
  55         backend = GnocchiBackend({'_id': 'test_uuid'})
  56         value = backend._collect_instance_metric('cpu', 'test_resource_id')
  57         self.assertEqual(value, 1.0)
  58         mock_gnocchi_client.metric.get_measures.assert_called_once_with('cpu',
  59                                                                         aggregation="rate:mean",
  60                                                                         start=mock.ANY,
  61                                                                         resource_id='test_resource_id')
  62
  63     @mock.patch.object(GnocchiBackend, '_build_neutron_client')
  64     @mock.patch.object(GnocchiBackend, '_build_gnocchi_client')
  65     def test_collect_gnocchi_non_rate_instance(self, build_gnocchi_client, _):
  66         mock_gnocchi_client = mock.Mock()
  67         mock_gnocchi_client.metric.get_measures.return_value = [(datetime.datetime(2019, 4, 12, 15, 43,
  68                                                                                    tzinfo=datetime.timezone(
  69                                                                                        datetime.timedelta(0),
  70                                                                                        '+00:00')), 60.0, 0.0345442539),
  71                                                                 (datetime.datetime(2019, 4, 12, 15, 44,
  72                                                                                    tzinfo=datetime.timezone(
  73                                                                                        datetime.timedelta(0),
  74                                                                                        '+00:00')), 60.0, 128)]
  75         build_gnocchi_client.return_value = mock_gnocchi_client
  76
  77         backend = GnocchiBackend({'_id': 'test_uuid'})
  78         value = backend._collect_instance_metric('memory.usage', 'test_resource_id')
  79         self.assertEqual(value, 128)
  80         mock_gnocchi_client.metric.get_measures.assert_called_once_with('memory.usage',
  81                                                                         aggregation=None,
  82                                                                         start=mock.ANY,
  83                                                                         resource_id='test_resource_id')
  84
  85     @mock.patch.object(GnocchiBackend, '_build_neutron_client')
  86     @mock.patch.object(GnocchiBackend, '_build_gnocchi_client')
  87     def test_collect_gnocchi_no_metric(self, build_gnocchi_client, _):
  88         mock_gnocchi_client = mock.Mock()
  89         mock_gnocchi_client.metric.get_measures.side_effect = gnocchiclient.exceptions.NotFound()
  90         build_gnocchi_client.return_value = mock_gnocchi_client
  91
  92         backend = GnocchiBackend({'_id': 'test_uuid'})
  93         value = backend._collect_instance_metric('memory.usage', 'test_resource_id')
  94         self.assertIsNone(value)
  95         mock_gnocchi_client.metric.get_measures.assert_called_once_with('memory.usage',
  96                                                                         aggregation=None,
  97                                                                         start=mock.ANY,
  98                                                                         resource_id='test_resource_id')
  99
 100     @mock.patch.object(GnocchiBackend, '_build_neutron_client')
 101     @mock.patch.object(GnocchiBackend, '_build_gnocchi_client')
 102     def test_collect_interface_all_metric(self, build_gnocchi_client, build_neutron_client):
 103         mock_gnocchi_client = mock.Mock()
 104         mock_gnocchi_client.resource.search.return_value = [{'id': 'test_id_1'}, {'id': 'test_id_2'}]
 105         mock_gnocchi_client.metric.get_measures.return_value = [(datetime.datetime(2019, 4, 12, 15, 43,
 106                                                                                    tzinfo=datetime.timezone(
 107                                                                                        datetime.timedelta(0),
 108                                                                                        '+00:00')), 60.0, 0.0345442539),
 109                                                                 (datetime.datetime(2019, 4, 12, 15, 44,
 110                                                                                    tzinfo=datetime.timezone(
 111                                                                                        datetime.timedelta(0),
 112                                                                                        '+00:00')), 60.0, 0.0333070363)]
 113
 114         build_gnocchi_client.return_value = mock_gnocchi_client
 115
 116         backend = GnocchiBackend({'_id': 'test_uuid'})
 117         value = backend._collect_interface_all_metric('packets_received', 'test_resource_id')
 118         self.assertEqual(value, 0.0666140726)
 119         mock_gnocchi_client.metric.get_measures.assert_any_call('packets_received', resource_id='test_id_1',
 120                                                                 limit=1)
 121         mock_gnocchi_client.metric.get_measures.assert_any_call('packets_received', resource_id='test_id_2',
 122                                                                 limit=1)