d6782ad3c1
Update the nova notifier test to use the fake RPC implementation to avoid hangs more completely. Also update the test to mock out the entire conductor API object in the manager created by the test, instead of mocking individual methods. Change-Id: I741a609bd3ddfeb302d39b1c61a4b6896de2bf47 Signed-off-by: Doug Hellmann <doug.hellmann@dreamhost.com>
192 lines
7.5 KiB
Python
192 lines
7.5 KiB
Python
# -*- encoding: utf-8 -*-
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#
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# Copyright © 2012 New Dream Network, LLC (DreamHost)
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#
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# Author: Julien Danjou <julien@danjou.info>
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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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"""Tests for ceilometer.compute.nova_notifier
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"""
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import mock
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import datetime
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from stevedore import extension
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from stevedore.tests import manager as test_manager
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from ceilometer.compute import manager
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try:
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from nova import config
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nova_CONF = config.cfg.CONF
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except ImportError:
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# XXX Folsom compat
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from nova import flags
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nova_CONF = flags.FLAGS
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from nova import db
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from nova import context
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from nova import service # For nova_CONF.compute_manager
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from nova.tests import fake_network
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from nova.compute import vm_states
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# Needed for flags option, but Essex does not have it
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try:
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from nova.openstack.common.notifier import api as notifier_api
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except ImportError:
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notifier_api = None
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from ceilometer import publish
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from ceilometer import counter
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from ceilometer.tests import base
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from ceilometer.tests import skip
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from ceilometer.compute import nova_notifier
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from ceilometer.openstack.common import importutils
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class TestNovaNotifier(base.TestCase):
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class Pollster(object):
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counters = []
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test_data = counter.Counter(
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name='test',
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type=counter.TYPE_CUMULATIVE,
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unit='',
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volume=1,
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user_id='test',
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project_id='test',
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resource_id='test_run_tasks',
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timestamp=datetime.datetime.utcnow().isoformat(),
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resource_metadata={'name': 'Pollster',
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},
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)
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def get_counters(self, manager, instance):
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self.counters.append((manager, instance))
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return [self.test_data]
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def fake_db_instance_get(self, context, id_):
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if self.instance['uuid'] == id_:
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return mock.MagicMock(name=self.instance['name'],
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id=self.instance['uuid'])
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@staticmethod
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def do_nothing(*args, **kwargs):
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pass
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@staticmethod
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def fake_db_instance_system_metadata_get(context, uuid):
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return dict(meta_a=123, meta_b="foobar")
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@skip.skip_unless(notifier_api, "Notifier API not found")
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def setUp(self):
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super(TestNovaNotifier, self).setUp()
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nova_CONF.compute_driver = 'nova.virt.fake.FakeDriver'
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nova_CONF.notification_driver = [nova_notifier.__name__]
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nova_CONF.rpc_backend = 'ceilometer.openstack.common.rpc.impl_fake'
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self.compute = importutils.import_object(nova_CONF.compute_manager)
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self.context = context.get_admin_context()
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fake_network.set_stub_network_methods(self.stubs)
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self.instance = {"name": "instance-1",
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"id": 1,
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"image_ref": "FAKE",
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"user_id": "FAKE",
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"project_id": "FAKE",
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"display_name": "FAKE NAME",
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"hostname": "abcdef",
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"reservation_id": "FAKE RID",
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"instance_type_id": 1,
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"architecture": "x86",
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"memory_mb": "1024",
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"root_gb": "20",
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"ephemeral_gb": "0",
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"vcpus": 1,
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"host": "fakehost",
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"availability_zone":
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"1e3ce043029547f1a61c1996d1a531a4",
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"created_at": '2012-05-08 20:23:41',
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"os_type": "linux",
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"kernel_id": "kernelid",
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"ramdisk_id": "ramdiskid",
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"vm_state": vm_states.ACTIVE,
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"access_ip_v4": "someip",
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"access_ip_v6": "someip",
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"metadata": {},
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"uuid": "144e08f4-00cb-11e2-888e-5453ed1bbb5f",
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"system_metadata": {}}
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self.stubs.Set(db, 'instance_info_cache_delete', self.do_nothing)
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self.stubs.Set(db, 'instance_destroy', self.do_nothing)
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self.stubs.Set(db, 'instance_system_metadata_get',
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self.fake_db_instance_system_metadata_get)
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self.stubs.Set(db, 'block_device_mapping_get_all_by_instance',
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lambda context, instance: {})
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self.stubs.Set(db, 'instance_update_and_get_original',
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lambda context, uuid, kwargs: (self.instance,
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self.instance))
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self.stubs.Set(publish, 'publish_counter', self.do_nothing)
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agent_manager = manager.AgentManager()
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agent_manager.ext_manager = \
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test_manager.TestExtensionManager([
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extension.Extension('test',
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None,
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None,
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self.Pollster(),
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),
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])
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nova_notifier.initialize_manager(agent_manager)
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def tearDown(self):
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self.Pollster.counters = []
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super(TestNovaNotifier, self).tearDown()
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nova_notifier._agent_manager = None
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def test_notifications(self):
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# Folsom compatibility check
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try:
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import nova.conductor.api
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except ImportError:
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# Folsom does not have nova.conductor, and it is safe to
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# call this method directly, but not safe to mock it
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# because mock.patch() fails to find the original.
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self.stubs.Set(db, 'instance_get_by_uuid',
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self.fake_db_instance_get)
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self.compute.terminate_instance(self.context,
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instance=self.instance)
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else:
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# Under Grizzly, Nova has moved to no-db access on the
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# compute node. The compute manager uses RPC to talk to
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# the conductor. We need to disable communication between
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# the nova manager and the remote system since we can't
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# expect the message bus to be available, or the remote
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# controller to be there if the message bus is online.
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@mock.patch.object(self.compute, 'conductor_api')
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# The code that looks up the instance uses a global
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# reference to the API, so we also have to patch that to
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# return our fake data.
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@mock.patch.object(nova.conductor.api.API,
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'instance_get_by_uuid',
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self.fake_db_instance_get)
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def run_test(*omit_args):
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self.compute.terminate_instance(self.context,
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instance=self.instance)
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run_test()
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self.assertTrue(self.Pollster.counters)
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self.assertTrue(self.Pollster.counters[0])
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self.assertEqual(self.Pollster.counters[0][0],
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nova_notifier._agent_manager)
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self.assertEqual(self.Pollster.counters[0][1].id,
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self.instance['uuid'])
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self.assertEqual(len(self.Pollster.counters), 1)
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