aodh/ceilometer/tests/publisher/test_rpc_publisher.py
Julien Danjou 36955618ae Move tests into ceilometer module
Doing this allow for potential importing of the tests and is cleaner
than having a side directory. Nova already does this, so let's move.

Change-Id: I77fc9c5356f3962363fd355b8dbf44fbeec157ee
2013-11-13 15:32:31 +01:00

423 lines
16 KiB
Python

# -*- encoding: utf-8 -*-
#
# Copyright © 2012 New Dream Network, LLC (DreamHost)
#
# Author: Doug Hellmann <doug.hellmann@dreamhost.com>
# Julien Danjou <julien@danjou.info>
#
# 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.
"""Tests for ceilometer/publisher/rpc.py
"""
import datetime
import eventlet
import fixtures
import mock
from ceilometer.openstack.common.fixture import config
from ceilometer.openstack.common import jsonutils
from ceilometer.openstack.common import network_utils
from ceilometer.openstack.common import test
from ceilometer.publisher import rpc
from ceilometer import sample
class TestSignature(test.BaseTestCase):
def test_compute_signature_change_key(self):
sig1 = rpc.compute_signature({'a': 'A', 'b': 'B'},
'not-so-secret')
sig2 = rpc.compute_signature({'A': 'A', 'b': 'B'},
'not-so-secret')
self.assertNotEqual(sig1, sig2)
def test_compute_signature_change_value(self):
sig1 = rpc.compute_signature({'a': 'A', 'b': 'B'},
'not-so-secret')
sig2 = rpc.compute_signature({'a': 'a', 'b': 'B'},
'not-so-secret')
self.assertNotEqual(sig1, sig2)
def test_compute_signature_same(self):
sig1 = rpc.compute_signature({'a': 'A', 'b': 'B'},
'not-so-secret')
sig2 = rpc.compute_signature({'a': 'A', 'b': 'B'},
'not-so-secret')
self.assertEqual(sig1, sig2)
def test_compute_signature_signed(self):
data = {'a': 'A', 'b': 'B'}
sig1 = rpc.compute_signature(data, 'not-so-secret')
data['message_signature'] = sig1
sig2 = rpc.compute_signature(data, 'not-so-secret')
self.assertEqual(sig1, sig2)
def test_compute_signature_use_configured_secret(self):
data = {'a': 'A', 'b': 'B'}
sig1 = rpc.compute_signature(data, 'not-so-secret')
sig2 = rpc.compute_signature(data, 'different-value')
self.assertNotEqual(sig1, sig2)
def test_verify_signature_signed(self):
data = {'a': 'A', 'b': 'B'}
sig1 = rpc.compute_signature(data, 'not-so-secret')
data['message_signature'] = sig1
self.assertTrue(rpc.verify_signature(data, 'not-so-secret'))
def test_verify_signature_unsigned(self):
data = {'a': 'A', 'b': 'B'}
self.assertFalse(rpc.verify_signature(data, 'not-so-secret'))
def test_verify_signature_incorrect(self):
data = {'a': 'A', 'b': 'B',
'message_signature': 'Not the same'}
self.assertFalse(rpc.verify_signature(data, 'not-so-secret'))
def test_verify_signature_nested(self):
data = {'a': 'A',
'b': 'B',
'nested': {'a': 'A',
'b': 'B',
},
}
data['message_signature'] = rpc.compute_signature(
data,
'not-so-secret')
self.assertTrue(rpc.verify_signature(data, 'not-so-secret'))
def test_verify_signature_nested_json(self):
data = {'a': 'A',
'b': 'B',
'nested': {'a': 'A',
'b': 'B',
'c': ('c',),
'd': ['d']
},
}
data['message_signature'] = rpc.compute_signature(
data,
'not-so-secret')
jsondata = jsonutils.loads(jsonutils.dumps(data))
self.assertTrue(rpc.verify_signature(jsondata, 'not-so-secret'))
class TestCounter(test.BaseTestCase):
TEST_COUNTER = sample.Sample(name='name',
type='typ',
unit='',
volume=1,
user_id='user',
project_id='project',
resource_id=2,
timestamp='today',
resource_metadata={'key': 'value'},
source='rpc')
def test_meter_message_from_counter_signed(self):
msg = rpc.meter_message_from_counter(self.TEST_COUNTER,
'not-so-secret')
self.assertIn('message_signature', msg)
def test_meter_message_from_counter_field(self):
def compare(f, c, msg_f, msg):
self.assertEqual(msg, c)
msg = rpc.meter_message_from_counter(self.TEST_COUNTER,
'not-so-secret')
name_map = {'name': 'counter_name',
'type': 'counter_type',
'unit': 'counter_unit',
'volume': 'counter_volume'}
for f in self.TEST_COUNTER._fields:
msg_f = name_map.get(f, f)
yield compare, f, getattr(self.TEST_COUNTER, f), msg_f, msg[msg_f]
class TestPublish(test.BaseTestCase):
test_data = [
sample.Sample(
name='test',
type=sample.TYPE_CUMULATIVE,
unit='',
volume=1,
user_id='test',
project_id='test',
resource_id='test_run_tasks',
timestamp=datetime.datetime.utcnow().isoformat(),
resource_metadata={'name': 'TestPublish'},
),
sample.Sample(
name='test',
type=sample.TYPE_CUMULATIVE,
unit='',
volume=1,
user_id='test',
project_id='test',
resource_id='test_run_tasks',
timestamp=datetime.datetime.utcnow().isoformat(),
resource_metadata={'name': 'TestPublish'},
),
sample.Sample(
name='test2',
type=sample.TYPE_CUMULATIVE,
unit='',
volume=1,
user_id='test',
project_id='test',
resource_id='test_run_tasks',
timestamp=datetime.datetime.utcnow().isoformat(),
resource_metadata={'name': 'TestPublish'},
),
sample.Sample(
name='test2',
type=sample.TYPE_CUMULATIVE,
unit='',
volume=1,
user_id='test',
project_id='test',
resource_id='test_run_tasks',
timestamp=datetime.datetime.utcnow().isoformat(),
resource_metadata={'name': 'TestPublish'},
),
sample.Sample(
name='test3',
type=sample.TYPE_CUMULATIVE,
unit='',
volume=1,
user_id='test',
project_id='test',
resource_id='test_run_tasks',
timestamp=datetime.datetime.utcnow().isoformat(),
resource_metadata={'name': 'TestPublish'},
),
]
def faux_cast(self, context, topic, msg):
if self.rpc_unreachable:
#note(sileht): Ugly, but when rabbitmq is unreachable
# and rabbitmq_max_retries is not 0
# oslo.rpc do a sys.exit(1), so we do the same
# things here until this is fixed in oslo
raise SystemExit(1)
else:
self.published.append((topic, msg))
def setUp(self):
super(TestPublish, self).setUp()
self.CONF = self.useFixture(config.Config()).conf
self.published = []
self.rpc_unreachable = False
self.useFixture(fixtures.MonkeyPatch(
"ceilometer.openstack.common.rpc.cast",
self.faux_cast))
def test_published(self):
publisher = rpc.RPCPublisher(
network_utils.urlsplit('rpc://'))
publisher.publish_samples(None,
self.test_data)
self.assertEqual(len(self.published), 1)
self.assertEqual(self.published[0][0],
self.CONF.publisher_rpc.metering_topic)
self.assertIsInstance(self.published[0][1]['args']['data'], list)
self.assertEqual(self.published[0][1]['method'],
'record_metering_data')
def test_publish_target(self):
publisher = rpc.RPCPublisher(
network_utils.urlsplit('rpc://?target=custom_procedure_call'))
publisher.publish_samples(None,
self.test_data)
self.assertEqual(len(self.published), 1)
self.assertEqual(self.published[0][0],
self.CONF.publisher_rpc.metering_topic)
self.assertIsInstance(self.published[0][1]['args']['data'], list)
self.assertEqual(self.published[0][1]['method'],
'custom_procedure_call')
def test_published_with_per_meter_topic(self):
publisher = rpc.RPCPublisher(
network_utils.urlsplit('rpc://?per_meter_topic=1'))
publisher.publish_samples(None,
self.test_data)
self.assertEqual(len(self.published), 4)
for topic, rpc_call in self.published:
meters = rpc_call['args']['data']
self.assertIsInstance(meters, list)
if topic != self.CONF.publisher_rpc.metering_topic:
self.assertEqual(len(set(meter['counter_name']
for meter in meters)),
1,
"Meter are published grouped by name")
topics = [topic for topic, meter in self.published]
self.assertIn(self.CONF.publisher_rpc.metering_topic, topics)
self.assertIn(
self.CONF.publisher_rpc.metering_topic + '.' + 'test', topics)
self.assertIn(
self.CONF.publisher_rpc.metering_topic + '.' + 'test2', topics)
self.assertIn(
self.CONF.publisher_rpc.metering_topic + '.' + 'test3', topics)
def test_published_concurrency(self):
"""This test the concurrent access to the local queue
of the rpc publisher
"""
def faux_cast_go(context, topic, msg):
self.published.append((topic, msg))
def faux_cast_wait(context, topic, msg):
self.useFixture(fixtures.MonkeyPatch(
"ceilometer.openstack.common.rpc.cast",
faux_cast_go))
# Sleep to simulate concurrency and allow other threads to work
eventlet.sleep(0)
self.published.append((topic, msg))
self.useFixture(fixtures.MonkeyPatch(
"ceilometer.openstack.common.rpc.cast",
faux_cast_wait))
publisher = rpc.RPCPublisher(network_utils.urlsplit('rpc://'))
job1 = eventlet.spawn(publisher.publish_samples, None, self.test_data)
job2 = eventlet.spawn(publisher.publish_samples, None, self.test_data)
job1.wait()
job2.wait()
self.assertEqual(publisher.policy, 'default')
self.assertEqual(len(self.published), 2)
self.assertEqual(len(publisher.local_queue), 0)
@mock.patch('ceilometer.publisher.rpc.LOG')
def test_published_with_no_policy(self, mylog):
self.rpc_unreachable = True
publisher = rpc.RPCPublisher(
network_utils.urlsplit('rpc://'))
self.assertTrue(mylog.info.called)
self.assertRaises(
SystemExit,
publisher.publish_samples,
None, self.test_data)
self.assertEqual(publisher.policy, 'default')
self.assertEqual(len(self.published), 0)
self.assertEqual(len(publisher.local_queue), 0)
@mock.patch('ceilometer.publisher.rpc.LOG')
def test_published_with_policy_block(self, mylog):
self.rpc_unreachable = True
publisher = rpc.RPCPublisher(
network_utils.urlsplit('rpc://?policy=default'))
self.assertTrue(mylog.info.called)
self.assertRaises(
SystemExit,
publisher.publish_samples,
None, self.test_data)
self.assertEqual(len(self.published), 0)
self.assertEqual(len(publisher.local_queue), 0)
@mock.patch('ceilometer.publisher.rpc.LOG')
def test_published_with_policy_incorrect(self, mylog):
self.rpc_unreachable = True
publisher = rpc.RPCPublisher(
network_utils.urlsplit('rpc://?policy=notexist'))
self.assertRaises(
SystemExit,
publisher.publish_samples,
None, self.test_data)
self.assertTrue(mylog.warn.called)
self.assertEqual(publisher.policy, 'default')
self.assertEqual(len(self.published), 0)
self.assertEqual(len(publisher.local_queue), 0)
def test_published_with_policy_drop_and_rpc_down(self):
self.rpc_unreachable = True
publisher = rpc.RPCPublisher(
network_utils.urlsplit('rpc://?policy=drop'))
publisher.publish_samples(None,
self.test_data)
self.assertEqual(len(self.published), 0)
self.assertEqual(len(publisher.local_queue), 0)
def test_published_with_policy_queue_and_rpc_down(self):
self.rpc_unreachable = True
publisher = rpc.RPCPublisher(
network_utils.urlsplit('rpc://?policy=queue'))
publisher.publish_samples(None,
self.test_data)
self.assertEqual(len(self.published), 0)
self.assertEqual(len(publisher.local_queue), 1)
def test_published_with_policy_queue_and_rpc_down_up(self):
self.rpc_unreachable = True
publisher = rpc.RPCPublisher(
network_utils.urlsplit('rpc://?policy=queue'))
publisher.publish_samples(None,
self.test_data)
self.assertEqual(len(self.published), 0)
self.assertEqual(len(publisher.local_queue), 1)
self.rpc_unreachable = False
publisher.publish_samples(None,
self.test_data)
self.assertEqual(len(self.published), 2)
self.assertEqual(len(publisher.local_queue), 0)
def test_published_with_policy_sized_queue_and_rpc_down(self):
self.rpc_unreachable = True
publisher = rpc.RPCPublisher(
network_utils.urlsplit('rpc://?policy=queue&max_queue_length=3'))
for i in range(0, 5):
for s in self.test_data:
s.source = 'test-%d' % i
publisher.publish_samples(None,
self.test_data)
self.assertEqual(len(self.published), 0)
self.assertEqual(len(publisher.local_queue), 3)
self.assertEqual(
publisher.local_queue[0][2]['args']['data'][0]['source'],
'test-2'
)
self.assertEqual(
publisher.local_queue[1][2]['args']['data'][0]['source'],
'test-3'
)
self.assertEqual(
publisher.local_queue[2][2]['args']['data'][0]['source'],
'test-4'
)
def test_published_with_policy_default_sized_queue_and_rpc_down(self):
self.rpc_unreachable = True
publisher = rpc.RPCPublisher(
network_utils.urlsplit('rpc://?policy=queue'))
for i in range(0, 2000):
for s in self.test_data:
s.source = 'test-%d' % i
publisher.publish_samples(None,
self.test_data)
self.assertEqual(len(self.published), 0)
self.assertEqual(len(publisher.local_queue), 1024)
self.assertEqual(
publisher.local_queue[0][2]['args']['data'][0]['source'],
'test-976'
)
self.assertEqual(
publisher.local_queue[1023][2]['args']['data'][0]['source'],
'test-1999'
)