monasca-persister/monasca_persister/tests/test_influxdb_metrics_repos...

142 lines
5.5 KiB
Python

# (C) Copyright 2019 Fujitsu Limited
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
# implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from unittest import mock
import influxdb
from influxdb.exceptions import InfluxDBClientError
from oslotest import base
from oslo_config import cfg
from monasca_persister.repositories.influxdb.metrics_repository import MetricInfluxdbRepository
db_not_found = InfluxDBClientError(
content='{"error": "database not found: db"}', code=404)
class TestMetricInfluxdbRepository(base.BaseTestCase):
def setUp(self):
super(TestMetricInfluxdbRepository, self).setUp()
def tearDown(self):
super(TestMetricInfluxdbRepository, self).tearDown()
def _test_process_message(self, metrics_repo, data_points, metric, tenant):
_dp, _tenant = metrics_repo.process_message(metric)
self.assertIsInstance(_dp, str)
self.assertEqual(_tenant, tenant)
data_points.append(_tenant, _dp)
@mock.patch.object(influxdb, 'InfluxDBClient')
@mock.patch.object(cfg, 'CONF', return_value=None)
def _test_write_batch(self, mock_conf, mock_influxdb_client,
db_per_tenant, db_exists, hours=0):
mock_conf.influxdb.database_name = db_name = 'db'
mock_conf.influxdb.db_per_tenant = db_per_tenant
mock_conf.influxdb.default_retention_hours = hours
t1 = u'fake_tenant_id_1'
t2 = u'fake_tenant_id_2'
m1 = self._get_metric(t1)
m2 = self._get_metric(t2)
metrics_repo = MetricInfluxdbRepository()
data_points = metrics_repo.data_points_class()
self._test_process_message(metrics_repo, data_points, m1, t1)
self._test_process_message(metrics_repo, data_points, m2, t2)
metrics_repo._influxdb_client = mock_influxdb_client
if db_exists:
metrics_repo._influxdb_client.write_points = mock.Mock()
else:
metrics_repo._influxdb_client.write_points = mock.Mock(
side_effect=[db_not_found, None, db_not_found, None])
rp = '{}h'.format(hours)
if db_per_tenant:
db1 = '%s_%s' % (db_name, t1)
db2 = '%s_%s' % (db_name, t2)
rp1 = mock.call(database=db1, default=True, name=rp,
duration=rp, replication='1')
rp2 = mock.call(database=db2, default=True, name=rp,
duration=rp, replication='1')
calls = [mock.call(db1), mock.call(db2)]
rp_calls = [rp1, rp2]
else:
calls = [mock.call(db_name)]
rp_calls = [mock.call(database=db_name, default=True,
name=rp, duration=rp, replication='1')]
metrics_repo.write_batch(data_points)
if db_exists:
mock_influxdb_client.create_database.assert_not_called()
mock_influxdb_client.create_retention_policy.assert_not_called()
else:
mock_influxdb_client.create_database.assert_has_calls(
calls, any_order=True)
if hours > 0:
mock_influxdb_client.create_retention_policy.assert_has_calls(
rp_calls, any_order=True)
else:
mock_influxdb_client.create_retention_policy.assert_not_called()
def _get_metric(self, tenant_id):
metric = '''
{
"metric":
{
"timestamp":1554725987408.1049804688,
"name":"process.cpu_perc",
"dimensions":
{
"process_name":"persister",
"hostname":"devstack",
"service":"persister"
},
"value":7.5,
"value_meta":null},
"meta":
{
"region":"RegionOne",
"tenantId":"''' + tenant_id + '''"
},
"creation_time":1554725988
}
'''
message = mock.Mock()
message.value.return_value = metric
return message
def test_write_batch_db_exists(self):
self._test_write_batch(db_per_tenant=False, db_exists=True)
def test_write_batch(self):
self._test_write_batch(db_per_tenant=False, db_exists=False)
def test_write_batch_db_exists_with_rp(self):
self._test_write_batch(db_per_tenant=False, db_exists=True, hours=2016)
def test_write_batch_with_rp(self):
self._test_write_batch(db_per_tenant=False, db_exists=False, hours=2016)
def test_write_batch_db_per_tenant_db_exists(self):
self._test_write_batch(db_per_tenant=True, db_exists=True)
def test_write_batch_db_per_tenant(self):
self._test_write_batch(db_per_tenant=True, db_exists=False)
def test_write_batch_db_per_tenant_db_exists_with_rp(self):
self._test_write_batch(db_per_tenant=True, db_exists=True, hours=2016)
def test_write_batch_db_per_tenant_with_rp(self):
self._test_write_batch(db_per_tenant=True, db_exists=False, hours=2016)