171 lines
6.0 KiB
Python
171 lines
6.0 KiB
Python
#
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# Copyright 2015 Red Hat. All Rights Reserved.
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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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"""Fixtures used during Gabbi-based test runs."""
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import datetime
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import os
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import random
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from unittest import case
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import uuid
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from gabbi import fixture
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from oslo_config import cfg
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from oslo_utils import fileutils
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import six
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from six.moves.urllib import parse as urlparse
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from ceilometer.api import app
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from ceilometer.publisher import utils
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from ceilometer import sample
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from ceilometer import service
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from ceilometer import storage
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# TODO(chdent): For now only MongoDB is supported, because of easy
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# database name handling and intentional focus on the API, not the
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# data store.
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ENGINES = ['mongodb']
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# NOTE(chdent): Hack to restore semblance of global configuration to
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# pass to the WSGI app used per test suite. LOAD_APP_KWARGS are the olso
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# configuration, and the pecan application configuration of
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# which the critical part is a reference to the current indexer.
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LOAD_APP_KWARGS = None
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def setup_app():
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global LOAD_APP_KWARGS
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return app.load_app(**LOAD_APP_KWARGS)
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class ConfigFixture(fixture.GabbiFixture):
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"""Establish the relevant configuration for a test run."""
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def start_fixture(self):
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"""Set up config."""
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global LOAD_APP_KWARGS
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self.conf = None
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# Determine the database connection.
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db_url = os.environ.get('PIFPAF_URL', "sqlite://").replace(
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"mysql://", "mysql+pymysql://")
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if not db_url:
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raise case.SkipTest('No database connection configured')
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engine = urlparse.urlparse(db_url).scheme
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if engine not in ENGINES:
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raise case.SkipTest('Database engine not supported')
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self.conf = service.prepare_service([], [])
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content = ('{"default": ""}')
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if six.PY3:
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content = content.encode('utf-8')
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self.tempfile = fileutils.write_to_tempfile(content=content,
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prefix='policy',
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suffix='.json')
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self.conf.set_override("policy_file", self.tempfile,
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group='oslo_policy')
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self.conf.set_override(
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'api_paste_config',
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os.path.abspath(
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'ceilometer/tests/functional/gabbi/gabbi_paste.ini')
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)
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# A special pipeline is required to use the direct publisher.
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self.conf.set_override(
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'pipeline_cfg_file',
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'ceilometer/tests/functional/gabbi_pipeline.yaml')
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database_name = '%s-%s' % (db_url, str(uuid.uuid4()))
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self.conf.set_override('connection', database_name, group='database')
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self.conf.set_override('metering_connection', '', group='database')
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self.conf.set_override('gnocchi_is_enabled', False, group='api')
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self.conf.set_override('aodh_is_enabled', False, group='api')
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self.conf.set_override('panko_is_enabled', False, group='api')
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LOAD_APP_KWARGS = {
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'conf': self.conf,
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}
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def stop_fixture(self):
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"""Reset the config and remove data."""
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if self.conf:
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storage.get_connection_from_config(self.conf).clear()
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self.conf.reset()
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class SampleDataFixture(fixture.GabbiFixture):
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"""Instantiate some sample data for use in testing."""
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def start_fixture(self):
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"""Create some samples."""
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global LOAD_APP_KWARGS
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conf = LOAD_APP_KWARGS['conf']
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self.conn = storage.get_connection_from_config(conf)
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timestamp = datetime.datetime.utcnow()
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project_id = str(uuid.uuid4())
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self.source = str(uuid.uuid4())
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resource_metadata = {'farmed_by': 'nancy'}
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for name in ['cow', 'pig', 'sheep']:
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resource_metadata.update({'breed': name}),
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c = sample.Sample(name='livestock',
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type='gauge',
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unit='head',
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volume=int(10 * random.random()),
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user_id='farmerjon',
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project_id=project_id,
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resource_id=project_id,
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timestamp=timestamp,
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resource_metadata=resource_metadata,
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source=self.source)
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data = utils.meter_message_from_counter(
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c, conf.publisher.telemetry_secret)
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self.conn.record_metering_data(data)
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def stop_fixture(self):
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"""Destroy the samples."""
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# NOTE(chdent): print here for sake of info during testing.
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# This will go away eventually.
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print('resource',
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self.conn.db.resource.remove({'source': self.source}))
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print('meter', self.conn.db.meter.remove({'source': self.source}))
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class CORSConfigFixture(fixture.GabbiFixture):
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"""Inject mock configuration for the CORS middleware."""
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def start_fixture(self):
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# Here we monkeypatch GroupAttr.__getattr__, necessary because the
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# paste.ini method of initializing this middleware creates its own
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# ConfigOpts instance, bypassing the regular config fixture.
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def _mock_getattr(instance, key):
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if key != 'allowed_origin':
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return self._original_call_method(instance, key)
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return "http://valid.example.com"
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self._original_call_method = cfg.ConfigOpts.GroupAttr.__getattr__
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cfg.ConfigOpts.GroupAttr.__getattr__ = _mock_getattr
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def stop_fixture(self):
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"""Remove the monkeypatch."""
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cfg.ConfigOpts.GroupAttr.__getattr__ = self._original_call_method
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