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# Copyright 2019 Preethika P(Tata Elxsi) |
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# |
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# Licensed under the Apache License, Version 2.0 (the "License"); |
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# you may not use this file except in compliance with the License. |
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# You may obtain a copy of the License at |
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# |
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# http://www.apache.org/licenses/LICENSE-2.0 |
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# |
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# Unless required by applicable law or agreed to in writing, software |
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# distributed under the License is distributed on an "AS IS" BASIS, |
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or |
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# implied. |
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# See the License for the specific language governing permissions and |
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# limitations under the License. |
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__author__ = "Preethika P,preethika.p@tataelxsi.co.in" |
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import asynctest |
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import yaml |
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import re |
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from aioresponses import aioresponses |
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from http import HTTPStatus |
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from osm_nbi.engine import EngineException |
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from osm_common.dbmemory import DbMemory |
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from osm_nbi.pmjobs_topics import PmJobsTopic |
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from osm_nbi.tests.test_db_descriptors import ( |
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db_nsds_text, |
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db_vnfds_text, |
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db_nsrs_text, |
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db_vnfrs_text, |
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) |
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from osm_nbi.tests.pmjob_mocks.response import ( |
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show_res, |
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prom_res, |
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cpu_utilization, |
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users, |
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load, |
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empty, |
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) |
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class PmJobsTopicTest(asynctest.TestCase): |
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def setUp(self): |
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self.db = DbMemory() |
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self.pmjobs_topic = PmJobsTopic(self.db, host="prometheus", port=9091) |
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self.db.create_list("nsds", yaml.safe_load(db_nsds_text)) |
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self.db.create_list("vnfds", yaml.safe_load(db_vnfds_text)) |
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self.db.create_list("vnfrs", yaml.safe_load(db_vnfrs_text)) |
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self.db.create_list("nsrs", yaml.safe_load(db_nsrs_text)) |
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self.nsr = self.db.get_list("nsrs")[0] |
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self.nsr_id = self.nsr["_id"] |
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project_id = self.nsr["_admin"]["projects_write"] |
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"""metric_check_list contains the vnf metric name used in descriptor i.e users,load""" |
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self.metric_check_list = [ |
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"cpu_utilization", |
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"average_memory_utilization", |
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"disk_read_ops", |
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"disk_write_ops", |
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"disk_read_bytes", |
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"disk_write_bytes", |
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"packets_dropped", |
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"packets_sent", |
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"packets_received", |
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"users", |
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"load", |
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] |
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self.session = { |
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"username": "admin", |
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"project_id": project_id, |
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"method": None, |
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"admin": True, |
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"force": False, |
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"public": False, |
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"allow_show_user_project_role": True, |
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} |
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def set_get_mock_res(self, mock_res, ns_id, metric_list): |
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site = "http://prometheus:9091/api/v1/query?query=osm_metric_name{ns_id='nsr'}" |
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site = re.sub(r"nsr", ns_id, site) |
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for metric in metric_list: |
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endpoint = re.sub(r"metric_name", metric, site) |
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if metric == "cpu_utilization": |
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response = yaml.safe_load(cpu_utilization) |
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elif metric == "users": |
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response = yaml.safe_load(users) |
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elif metric == "load": |
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response = yaml.safe_load(load) |
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else: |
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response = yaml.safe_load(empty) |
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mock_res.get(endpoint, payload=response) |
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async def test_prom_metric_request(self): |
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with self.subTest("Test case1 failed in test_prom"): |
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prom_response = yaml.safe_load(prom_res) |
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with aioresponses() as mock_res: |
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self.set_get_mock_res(mock_res, self.nsr_id, self.metric_check_list) |
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result = await self.pmjobs_topic._prom_metric_request( |
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self.nsr_id, self.metric_check_list |
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) |
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self.assertCountEqual(result, prom_response, "Metric Data is valid") |
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with self.subTest("Test case2 failed in test_prom"): |
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with self.assertRaises( |
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EngineException, msg="Prometheus not reachable" |
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) as e: |
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await self.pmjobs_topic._prom_metric_request( |
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self.nsr_id, self.metric_check_list |
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) |
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self.assertIn("Connection to ", str(e.exception), "Wrong exception text") |
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def test_show(self): |
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with self.subTest("Test case1 failed in test_show"): |
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show_response = yaml.safe_load(show_res) |
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with aioresponses() as mock_res: |
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self.set_get_mock_res(mock_res, self.nsr_id, self.metric_check_list) |
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result = self.pmjobs_topic.show(self.session, self.nsr_id) |
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self.assertEqual(len(result["entries"]), 1, "Number of metrics returned") |
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self.assertCountEqual(result, show_response, "Response is valid") |
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with self.subTest("Test case2 failed in test_show"): |
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wrong_ns_id = "88d90b0c-faff-4bbc-cccc-aaaaaaaaaaaa" |
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with aioresponses() as mock_res: |
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self.set_get_mock_res(mock_res, wrong_ns_id, self.metric_check_list) |
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with self.assertRaises(EngineException, msg="ns not found") as e: |
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self.pmjobs_topic.show(self.session, wrong_ns_id) |
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self.assertEqual( |
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e.exception.http_code, |
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HTTPStatus.NOT_FOUND, |
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"Wrong HTTP status code", |
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) |
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self.assertIn( |
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"NS not found with id {}".format(wrong_ns_id), |
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str(e.exception), |
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"Wrong exception text", |
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) |
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