aodh/ceilometer/tests/gabbi/fixtures.py
Lianhao Lu 286d78b6b9 Switch to oslo.policy 0.3.0
Switch to the first official release of oslo.policy.

Change-Id: I72bc1450833db88ead2959d818d058fa64429c68
Closes-Bug: #1421863
2015-03-11 09:33:19 +08:00

150 lines
5.5 KiB
Python

#
# Copyright 2015 Red Hat. All Rights Reserved.
#
# 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.
"""Fixtures used during Gabbi-based test runs."""
from __future__ import print_function
import datetime
import os
import random
from unittest import case
import uuid
from gabbi import fixture
from oslo_config import fixture as fixture_config
from oslo_policy import opts
from ceilometer.event.storage import models
from ceilometer.publisher import utils
from ceilometer import sample
from ceilometer import service
from ceilometer import storage
# TODO(chdent): For now only MongoDB is supported, because of easy
# database name handling and intentional focus on the API, not the
# data store.
ENGINES = ['MONGODB']
class ConfigFixture(fixture.GabbiFixture):
"""Establish the relevant configuration for a test run."""
def start_fixture(self):
"""Set up config."""
service.prepare_service([])
conf = fixture_config.Config().conf
self.conf = conf
opts.set_defaults(self.conf)
conf.import_opt('store_events', 'ceilometer.notification',
group='notification')
conf.set_override('policy_file',
os.path.abspath('etc/ceilometer/policy.json'),
group='oslo_policy')
# A special pipeline is required to use the direct publisher.
conf.set_override('pipeline_cfg_file',
'etc/ceilometer/gabbi_pipeline.yaml')
# Determine the database connection.
db_url = None
for engine in ENGINES:
try:
db_url = os.environ['CEILOMETER_TEST_%s_URL' % engine]
except KeyError:
pass
if db_url is None:
raise case.SkipTest('No database connection configured')
database_name = '%s-%s' % (db_url, str(uuid.uuid4()))
conf.set_override('connection', database_name, group='database')
conf.set_override('metering_connection', '', group='database')
conf.set_override('event_connection', '', group='database')
conf.set_override('alarm_connection', '', group='database')
conf.set_override('pecan_debug', True, group='api')
conf.set_override('store_events', True, group='notification')
def stop_fixture(self):
"""Reset the config and remove data."""
storage.get_connection_from_config(self.conf).clear()
self.conf.reset()
class SampleDataFixture(fixture.GabbiFixture):
"""Instantiate some sample data for use in testing."""
def start_fixture(self):
"""Create some samples."""
conf = fixture_config.Config().conf
self.conn = storage.get_connection_from_config(conf)
timestamp = datetime.datetime.utcnow()
project_id = str(uuid.uuid4())
self.source = str(uuid.uuid4())
resource_metadata = {'farmed_by': 'nancy'}
for name in ['cow', 'pig', 'sheep']:
resource_metadata.update({'breed': name}),
c = sample.Sample(name='livestock',
type='gauge',
unit='head',
volume=int(10 * random.random()),
user_id='farmerjon',
project_id=project_id,
resource_id=project_id,
timestamp=timestamp,
resource_metadata=resource_metadata,
source=self.source)
data = utils.meter_message_from_counter(
c, conf.publisher.telemetry_secret)
self.conn.record_metering_data(data)
def stop_fixture(self):
"""Destroy the samples."""
# NOTE(chdent): print here for sake of info during testing.
# This will go away eventually.
print('resource',
self.conn.db.resource.remove({'source': self.source}))
print('meter', self.conn.db.meter.remove({'source': self.source}))
class EventDataFixture(fixture.GabbiFixture):
"""Instantiate some sample event data for use in testing."""
def start_fixture(self):
"""Create some events."""
conf = fixture_config.Config().conf
self.conn = storage.get_connection_from_config(conf, 'event')
events = []
name_list = ['chocolate.chip', 'peanut.butter', 'sugar']
for ix, name in enumerate(name_list):
timestamp = datetime.datetime.utcnow()
message_id = 'fea1b15a-1d47-4175-85a5-a4bb2c72924{}'.format(ix)
traits = [models.Trait('type', 1, name),
models.Trait('ate', 2, ix)]
event = models.Event(message_id,
'cookies_{}'.format(name),
timestamp,
traits, {'nested': {'inside': 'value'}})
events.append(event)
self.conn.record_events(events)
def stop_fixture(self):
"""Destroy the events."""
self.conn.db.event.remove({'event_type': '/^cookies_/'})