52e4201775
This patch modifies sharding.Catalog so that it caches the mapping between (project, queue) ===> shard. This reduces latency for all data plane operations when sharding is enabled. Change-Id: I54714c4e6c0ed78ac302ce86aed9bb72b200052b Partially-Implements: blueprint storage-sharding
100 lines
3.3 KiB
Python
100 lines
3.3 KiB
Python
# Copyright (c) 2013 Rackspace, Inc.
|
|
#
|
|
# 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.
|
|
|
|
import random
|
|
import uuid
|
|
|
|
from oslo.config import cfg
|
|
|
|
from marconi.common.cache import cache as oslo_cache
|
|
from marconi.queues.storage import sharding
|
|
from marconi.queues.storage import utils
|
|
from marconi import tests as testing
|
|
|
|
|
|
@testing.requires_mongodb
|
|
class ShardQueuesTest(testing.TestBase):
|
|
|
|
def setUp(self):
|
|
super(ShardQueuesTest, self).setUp()
|
|
conf = self.load_conf('wsgi_mongodb_sharded.conf')
|
|
|
|
conf.register_opts([cfg.StrOpt('storage')],
|
|
group='drivers')
|
|
|
|
cache = oslo_cache.get_cache(self.conf)
|
|
control = utils.load_storage_driver(conf, cache, control_mode=True)
|
|
self.shards_ctrl = control.shards_controller
|
|
self.driver = sharding.DataDriver(conf, cache, control)
|
|
self.controller = self.driver.queue_controller
|
|
|
|
# fake two shards
|
|
for _ in xrange(2):
|
|
self.shards_ctrl.create(str(uuid.uuid1()), 100, 'sqlite://memory')
|
|
|
|
def tearDown(self):
|
|
self.shards_ctrl.drop_all()
|
|
super(ShardQueuesTest, self).tearDown()
|
|
|
|
def test_health(self):
|
|
health = self.driver.is_alive()
|
|
self.assertTrue(health)
|
|
|
|
def test_listing(self):
|
|
project = "I.G"
|
|
|
|
interaction = self.controller.list(project=project,
|
|
detailed=False)
|
|
queues = list(next(interaction))
|
|
|
|
self.assertEqual(len(queues), 0)
|
|
|
|
for n in xrange(10):
|
|
name = 'queue_%d' % n
|
|
self.controller.create(name, project=project)
|
|
self.controller.set_metadata(name,
|
|
metadata=random.getrandbits(12),
|
|
project=project)
|
|
|
|
interaction = self.controller.list(project=project,
|
|
detailed=True,
|
|
limit=7)
|
|
queues.extend(next(interaction))
|
|
marker = next(interaction)
|
|
|
|
self.assertEqual(len(queues), 7)
|
|
|
|
interaction = self.controller.list(project=project,
|
|
detailed=True,
|
|
limit=7,
|
|
marker=marker)
|
|
queues.extend(next(interaction))
|
|
|
|
self.assertEqual(len(queues), 10)
|
|
|
|
# ordered by name as a whole
|
|
self.assertTrue(all(queues[i]['name'] <= queues[i + 1]['name']
|
|
for i in xrange(len(queues) - 1)))
|
|
|
|
for n in xrange(10):
|
|
self.controller.delete('queue_%d' % n, project=project)
|
|
|
|
interaction = self.controller.list(project=project,
|
|
detailed=False)
|
|
queues = list(next(interaction))
|
|
|
|
self.assertEqual(len(queues), 0)
|