142 lines
5.5 KiB
Python
142 lines
5.5 KiB
Python
# (C) Copyright 2019 Fujitsu Limited
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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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from unittest import mock
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import influxdb
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from influxdb.exceptions import InfluxDBClientError
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from oslotest import base
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from oslo_config import cfg
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from monasca_persister.repositories.influxdb.metrics_repository import MetricInfluxdbRepository
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db_not_found = InfluxDBClientError(
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content='{"error": "database not found: db"}', code=404)
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class TestMetricInfluxdbRepository(base.BaseTestCase):
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def setUp(self):
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super(TestMetricInfluxdbRepository, self).setUp()
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def tearDown(self):
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super(TestMetricInfluxdbRepository, self).tearDown()
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def _test_process_message(self, metrics_repo, data_points, metric, tenant):
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_dp, _tenant = metrics_repo.process_message(metric)
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self.assertIsInstance(_dp, str)
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self.assertEqual(_tenant, tenant)
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data_points.append(_tenant, _dp)
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@mock.patch.object(influxdb, 'InfluxDBClient')
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@mock.patch.object(cfg, 'CONF', return_value=None)
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def _test_write_batch(self, mock_conf, mock_influxdb_client,
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db_per_tenant, db_exists, hours=0):
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mock_conf.influxdb.database_name = db_name = 'db'
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mock_conf.influxdb.db_per_tenant = db_per_tenant
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mock_conf.influxdb.default_retention_hours = hours
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t1 = u'fake_tenant_id_1'
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t2 = u'fake_tenant_id_2'
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m1 = self._get_metric(t1)
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m2 = self._get_metric(t2)
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metrics_repo = MetricInfluxdbRepository()
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data_points = metrics_repo.data_points_class()
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self._test_process_message(metrics_repo, data_points, m1, t1)
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self._test_process_message(metrics_repo, data_points, m2, t2)
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metrics_repo._influxdb_client = mock_influxdb_client
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if db_exists:
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metrics_repo._influxdb_client.write_points = mock.Mock()
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else:
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metrics_repo._influxdb_client.write_points = mock.Mock(
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side_effect=[db_not_found, None, db_not_found, None])
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rp = '{}h'.format(hours)
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if db_per_tenant:
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db1 = '%s_%s' % (db_name, t1)
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db2 = '%s_%s' % (db_name, t2)
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rp1 = mock.call(database=db1, default=True, name=rp,
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duration=rp, replication='1')
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rp2 = mock.call(database=db2, default=True, name=rp,
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duration=rp, replication='1')
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calls = [mock.call(db1), mock.call(db2)]
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rp_calls = [rp1, rp2]
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else:
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calls = [mock.call(db_name)]
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rp_calls = [mock.call(database=db_name, default=True,
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name=rp, duration=rp, replication='1')]
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metrics_repo.write_batch(data_points)
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if db_exists:
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mock_influxdb_client.create_database.assert_not_called()
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mock_influxdb_client.create_retention_policy.assert_not_called()
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else:
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mock_influxdb_client.create_database.assert_has_calls(
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calls, any_order=True)
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if hours > 0:
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mock_influxdb_client.create_retention_policy.assert_has_calls(
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rp_calls, any_order=True)
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else:
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mock_influxdb_client.create_retention_policy.assert_not_called()
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def _get_metric(self, tenant_id):
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metric = '''
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{
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"metric":
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{
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"timestamp":1554725987408.1049804688,
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"name":"process.cpu_perc",
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"dimensions":
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{
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"process_name":"persister",
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"hostname":"devstack",
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"service":"persister"
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},
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"value":7.5,
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"value_meta":null},
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"meta":
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{
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"region":"RegionOne",
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"tenantId":"''' + tenant_id + '''"
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},
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"creation_time":1554725988
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}
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'''
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message = mock.Mock()
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message.value.return_value = metric
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return message
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def test_write_batch_db_exists(self):
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self._test_write_batch(db_per_tenant=False, db_exists=True)
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def test_write_batch(self):
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self._test_write_batch(db_per_tenant=False, db_exists=False)
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def test_write_batch_db_exists_with_rp(self):
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self._test_write_batch(db_per_tenant=False, db_exists=True, hours=2016)
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def test_write_batch_with_rp(self):
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self._test_write_batch(db_per_tenant=False, db_exists=False, hours=2016)
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def test_write_batch_db_per_tenant_db_exists(self):
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self._test_write_batch(db_per_tenant=True, db_exists=True)
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def test_write_batch_db_per_tenant(self):
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self._test_write_batch(db_per_tenant=True, db_exists=False)
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def test_write_batch_db_per_tenant_db_exists_with_rp(self):
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self._test_write_batch(db_per_tenant=True, db_exists=True, hours=2016)
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def test_write_batch_db_per_tenant_with_rp(self):
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self._test_write_batch(db_per_tenant=True, db_exists=False, hours=2016)
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