ed51f49a90
* Use stop() instead of kill() in Service fixture. * Add reset() methods to each rpcapi, and call them after shutting down services, allowing for the above to work. Change-Id: I90a1d9c40fc7f60864cfbfc7c9e47429405bc32c Closes-Bug: 1411717
191 lines
5.5 KiB
Python
191 lines
5.5 KiB
Python
# Copyright 2012 Managed I.T.
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# Copyright 2015 Hewlett-Packard Development Company, L.P.
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#
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# Author: Kiall Mac Innes <kiall@hpe.com>
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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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from __future__ import absolute_import
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import os
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import random
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import shutil
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import tempfile
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from contextlib import contextmanager
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import fixtures
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from oslo_log import log as logging
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from oslo_utils import importutils
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from oslo_config import cfg
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import tooz.coordination
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from designate import policy
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from designate import network_api
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from designate import rpc
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from designate.network_api import fake as fake_network_api
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from designate.sqlalchemy import utils as sqlalchemy_utils
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"""Test fixtures
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"""
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LOG = logging.getLogger(__name__)
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class CoordinatorFixture(fixtures.Fixture):
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def __init__(self, *args, **kwargs):
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self._args = args
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self._kwargs = kwargs
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def setUp(self):
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super(CoordinatorFixture, self).setUp()
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self.coordinator = tooz.coordination.get_coordinator(
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*self._args, **self._kwargs)
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self.coordinator.start()
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self.addCleanup(self.coordinator.stop)
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class RPCFixture(fixtures.Fixture):
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def __init__(self, conf):
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self.conf = conf
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def setUp(self):
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super(RPCFixture, self).setUp()
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rpc.init(self.conf)
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self.addCleanup(self.deinit)
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def deinit(self):
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if rpc.initialized():
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rpc.cleanup()
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class ServiceFixture(fixtures.Fixture):
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def __init__(self, svc_name):
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cls = importutils.import_class(
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'designate.%s.service.Service' % svc_name)
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self.svc = cls()
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self.svc_name = svc_name
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def setUp(self):
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super(ServiceFixture, self).setUp()
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LOG.info('Starting service %s (%s)', self.svc_name, id(self.svc))
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self.svc.start()
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self.addCleanup(self.stop)
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def stop(self):
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LOG.info('Stopping service %s (%s)', self.svc_name, id(self.svc))
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try:
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self.svc.stop()
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except Exception:
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LOG.error('Failed to stop service %s (%s)',
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self.svc_name, id(self.svc))
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raise
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finally:
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# Always try reset the service's RPCAPI
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mod = importutils.try_import('designate.%s.rpcapi' % self.svc_name)
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if hasattr(mod, 'reset'):
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LOG.info('Resetting service %s RPCAPI', self.svc_name)
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mod.reset()
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class PolicyFixture(fixtures.Fixture):
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def setUp(self):
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super(PolicyFixture, self).setUp()
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self.addCleanup(policy.reset)
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class DatabaseFixture(fixtures.Fixture):
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fixtures = {}
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@staticmethod
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def get_fixture(repo_path, init_version=None):
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if repo_path not in DatabaseFixture.fixtures:
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DatabaseFixture.fixtures[repo_path] = DatabaseFixture(
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repo_path, init_version)
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return DatabaseFixture.fixtures[repo_path]
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def _mktemp(self):
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"""Create temporary database file
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"""
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tmpfs_path = "/dev/shm"
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if os.path.isdir(tmpfs_path):
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tmp_dir = tmpfs_path
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LOG.debug("Using tmpfs on %s as database tmp dir" % tmp_dir)
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else:
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tmp_dir = "/tmp"
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LOG.warning("Using %s as database tmp dir. Tests might be slow" %
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tmp_dir)
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_, path = tempfile.mkstemp(prefix='designate-', suffix='.sqlite',
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dir=tmp_dir)
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return path
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def __init__(self, repo_path, init_version=None):
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super(DatabaseFixture, self).__init__()
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# Create the Golden DB
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self.golden_db = self._mktemp()
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self.golden_url = 'sqlite:///%s' % self.golden_db
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# Migrate the Golden DB
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manager = sqlalchemy_utils.get_migration_manager(
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repo_path, self.golden_url, init_version)
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manager.upgrade(None)
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# Prepare the Working Copy DB
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self.working_copy = self._mktemp()
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self.url = 'sqlite:///%s' % self.working_copy
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def setUp(self):
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super(DatabaseFixture, self).setUp()
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shutil.copyfile(self.golden_db, self.working_copy)
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def tearDown(self):
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# This is currently unused
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super(DatabaseFixture, self).tearDown()
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LOG.debug("Deleting %s" % self.working_copy)
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os.unlink(self.working_copy)
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class NetworkAPIFixture(fixtures.Fixture):
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def setUp(self):
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super(NetworkAPIFixture, self).setUp()
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self.api = network_api.get_network_api(cfg.CONF.network_api)
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self.fake = fake_network_api
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self.addCleanup(self.fake.reset_floatingips)
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class ZoneManagerTaskFixture(fixtures.Fixture):
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def __init__(self, task_cls):
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super(ZoneManagerTaskFixture, self).__init__()
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self._task_cls = task_cls
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def setUp(self):
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super(ZoneManagerTaskFixture, self).setUp()
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self.task = self._task_cls()
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self.task.on_partition_change(range(0, 4095), None, None)
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@contextmanager
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def random_seed(seed):
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"""Context manager to set random.seed() temporarily
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"""
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state = random.getstate()
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random.seed(seed)
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yield
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random.setstate(state)
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