138 lines
6.5 KiB
Python
138 lines
6.5 KiB
Python
# Copyright 2017 FUJITSU LIMITED
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# 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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import falcon
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from falcon import testing
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import mock
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from oslo_config import fixture as oo_cfg
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from monasca_api.healthcheck import base
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from monasca_api import healthchecks
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from monasca_api.v2.reference import cfg
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from monasca_common.rest import utils
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CONF = cfg.CONF
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ENDPOINT = '/healthcheck'
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class TestHealthChecks(testing.TestBase):
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def setUp(self):
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super(TestHealthChecks, self).setUp()
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self.conf = self.useFixture(oo_cfg.Config(CONF))
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def set_route(self):
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self.resources = healthchecks.HealthChecks()
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self.api.add_route(
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ENDPOINT,
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self.resources
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)
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@mock.patch('monasca_api.healthcheck.alarms_db_check.sql_repository.get_engine')
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def test_should_return_200_for_head(self, _):
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self.set_route()
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self.simulate_request(ENDPOINT, method='HEAD')
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self.assertEqual(falcon.HTTP_NO_CONTENT, self.srmock.status)
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@mock.patch('monasca_api.healthcheck.kafka_check.KafkaHealthCheck')
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@mock.patch(
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'monasca_api.healthcheck.alarms_db_check.AlarmsDbHealthCheck')
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@mock.patch(
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'monasca_api.healthcheck.metrics_db_check.MetricsDbCheck')
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@mock.patch(
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'monasca_api.healthcheck.alarms_db_check.sql_repository.SQLRepository')
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def test_should_report_healthy_if_all_services_healthy(self, kafka_check,
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alarms_db_check,
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metrics_db_check,
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_):
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kafka_check.health_check.return_value = base.CheckResult(True, 'OK')
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alarms_db_check.health_check.return_value = base.CheckResult(True,
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'OK')
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metrics_db_check.health_check.return_value = base.CheckResult(True,
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'OK')
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self.set_route()
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self.resources._kafka_check = kafka_check
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self.resources._alarm_db_check = alarms_db_check
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self.resources._metrics_db_check = metrics_db_check
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response = self.simulate_request(ENDPOINT,
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headers={
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'Content-Type': 'application/json'
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},
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decode='utf8',
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method='GET')
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self.assertEqual(falcon.HTTP_OK, self.srmock.status)
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response = utils.from_json(response)
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self.assertIn('kafka', response)
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self.assertIn('alarms_database', response)
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self.assertIn('metrics_database', response)
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self.assertEqual('OK', response.get('kafka'))
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self.assertEqual('OK', response.get('alarms_database'))
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self.assertEqual('OK', response.get('metrics_database'))
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@mock.patch('monasca_api.healthcheck.kafka_check.KafkaHealthCheck')
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@mock.patch(
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'monasca_api.healthcheck.alarms_db_check.AlarmsDbHealthCheck')
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@mock.patch(
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'monasca_api.healthcheck.metrics_db_check.MetricsDbCheck')
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@mock.patch(
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'monasca_api.healthcheck.alarms_db_check.sql_repository.SQLRepository')
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def test_should_report_not_healthy_if_one_service_not_healthy(self,
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kafka_check,
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alarms_db_check,
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metrics_db_check,
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_):
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test_list = [
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{'kafka': {'healthy': False, 'message': 'Unavailable'},
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'alarms_db': {'healthy': True, 'message': 'OK'},
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'netrics_db': {'healthy': True, 'message': 'OK'}
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},
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{'kafka': {'healthy': True, 'message': 'OK'},
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'alarms_db': {'healthy': False, 'message': 'Connection Error'},
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'netrics_db': {'healthy': True, 'message': 'OK'}
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},
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{'kafka': {'healthy': True, 'message': 'OK'},
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'alarms_db': {'healthy': True, 'message': 'OK'},
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'netrics_db': {'healthy': False, 'message': 'Error'}
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},
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]
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for service in test_list:
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kafka_check.health_check.return_value = base.CheckResult(service['kafka']['healthy'],
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service['kafka']['message'])
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alarms_db_check.health_check.return_value = base.CheckResult(service['alarms_db']['healthy'],
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service['alarms_db']['message'])
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metrics_db_check.health_check.return_value = base.CheckResult(service['netrics_db']['healthy'],
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service['netrics_db']['message'])
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self.set_route()
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self.resources._kafka_check = kafka_check
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self.resources._alarm_db_check = alarms_db_check
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self.resources._metrics_db_check = metrics_db_check
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response = self.simulate_request(ENDPOINT,
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headers={
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'Content-Type': 'application/json'
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},
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decode='utf8',
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method='GET')
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self.assertEqual(falcon.HTTP_SERVICE_UNAVAILABLE, self.srmock.status)
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response = utils.from_json(response)
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self.assertIn('kafka', response)
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self.assertIn('alarms_database', response)
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self.assertIn('metrics_database', response)
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self.assertEqual(service['kafka']['message'], response.get('kafka'))
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self.assertEqual(service['alarms_db']['message'], response.get('alarms_database'))
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self.assertEqual(service['netrics_db']['message'], response.get('metrics_database'))
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