Source code for ceilometer.tests.functional.gabbi.fixtures

# 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
# 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."""

import datetime
import os
import random
from unittest import case
import uuid

from gabbi import fixture
from oslo_config import cfg
from oslo_config import fixture as fixture_config
from oslo_policy import opts
from oslo_utils import fileutils
import six
from six.moves.urllib import parse as urlparse

from import models
from ceilometer.publisher import utils
from ceilometer import sample
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']

[docs]class ConfigFixture(fixture.GabbiFixture): """Establish the relevant configuration for a test run."""
[docs] def start_fixture(self): """Set up config.""" self.conf = None # Determine the database connection. db_url = os.environ.get('OVERTEST_URL', "sqlite://").replace( "mysql://", "mysql+pymysql://") if not db_url: raise case.SkipTest('No database connection configured') engine = urlparse.urlparse(db_url).scheme if engine not in ENGINES: raise case.SkipTest('Database engine not supported') conf = fixture_config.Config().conf self.conf = conf self.conf([], project='ceilometer', validate_default_values=True) opts.set_defaults(self.conf) conf.import_group('api', 'ceilometer.api.controllers.v2.root') conf.import_opt('store_events', 'ceilometer.notification', group='notification') content = ('{"default": ""}') if six.PY3: content = content.encode('utf-8') self.tempfile = fileutils.write_to_tempfile(content=content, prefix='policy', suffix='.json') conf.set_override("policy_file", self.tempfile, group='oslo_policy') conf.set_override( 'api_paste_config', os.path.abspath( 'ceilometer/tests/functional/gabbi/gabbi_paste.ini') ) # A special pipeline is required to use the direct publisher. conf.set_override('pipeline_cfg_file', 'ceilometer/tests/functional/gabbi_pipeline.yaml') 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('pecan_debug', True, group='api') conf.set_override('gnocchi_is_enabled', False, group='api') conf.set_override('aodh_is_enabled', False, group='api') conf.set_override('store_events', True, group='notification')
[docs] def stop_fixture(self): """Reset the config and remove data.""" if self.conf: storage.get_connection_from_config(self.conf).clear() self.conf.reset()
[docs]class SampleDataFixture(fixture.GabbiFixture): """Instantiate some sample data for use in testing."""
[docs] 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)
[docs] 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}))
[docs]class EventDataFixture(fixture.GabbiFixture): """Instantiate some sample event data for use in testing."""
[docs] 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)
[docs] def stop_fixture(self): """Destroy the events.""" self.conn.db.event.remove({'event_type': '/^cookies_/'})
[docs]class CORSConfigFixture(fixture.GabbiFixture): """Inject mock configuration for the CORS middleware."""
[docs] def start_fixture(self): # Here we monkeypatch GroupAttr.__getattr__, necessary because the # paste.ini method of initializing this middleware creates its own # ConfigOpts instance, bypassing the regular config fixture. def _mock_getattr(instance, key): if key != 'allowed_origin': return self._original_call_method(instance, key) return "" self._original_call_method = cfg.ConfigOpts.GroupAttr.__getattr__ cfg.ConfigOpts.GroupAttr.__getattr__ = _mock_getattr
[docs] def stop_fixture(self): """Remove the monkeypatch.""" cfg.ConfigOpts.GroupAttr.__getattr__ = self._original_call_method

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