c7f12a4224
oslo.utils 1.2.0 has changed its namespace from oslo.utils to oslo_utils, the old import style of oslo.utils still can work but it is deprecated. Change-Id: I8832259624f15a8040f6de35136db7dd6d217f02
308 lines
13 KiB
Python
308 lines
13 KiB
Python
#
|
|
# Copyright 2012 New Dream Network, LLC (DreamHost)
|
|
#
|
|
# Author: Julien Danjou <julien@danjou.info>
|
|
# Doug Hellmann <doug.hellmann@dreamhost.com>
|
|
#
|
|
# 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.compute.nova_notifier
|
|
"""
|
|
|
|
import contextlib
|
|
import datetime
|
|
|
|
import mock
|
|
from oslo_utils import importutils
|
|
from oslotest import base
|
|
from oslotest import moxstubout
|
|
|
|
from stevedore import extension
|
|
|
|
## NOTE(dhellmann): These imports are not in the generally approved
|
|
## alphabetical order, but they are in the order that actually
|
|
## works. Please don't change them.
|
|
from nova.tests import fake_network
|
|
from nova.compute import vm_states
|
|
try:
|
|
from nova.compute import flavors
|
|
except ImportError:
|
|
from nova.compute import instance_types as flavors
|
|
|
|
from nova.objects import instance as nova_instance
|
|
from nova import config
|
|
from nova import context
|
|
from nova import db
|
|
from nova.openstack.common import log as logging
|
|
|
|
# This option is used in the nova_notifier module, so make
|
|
# sure it is defined.
|
|
config.cfg.CONF.import_opt('compute_manager', 'nova.service')
|
|
|
|
# HACK(dhellmann): Import this before any other ceilometer code
|
|
# because the notifier module messes with the import path to force
|
|
# nova's version of oslo to be used instead of ceilometer's.
|
|
from ceilometer.compute import nova_notifier
|
|
|
|
from ceilometer import sample
|
|
from ceilometer.compute.pollsters import util
|
|
|
|
LOG = logging.getLogger(__name__)
|
|
nova_CONF = config.cfg.CONF
|
|
|
|
|
|
class TestNovaNotifier(base.BaseTestCase):
|
|
|
|
class Pollster(object):
|
|
instances = []
|
|
test_data_1 = sample.Sample(
|
|
name='test1',
|
|
type=sample.TYPE_CUMULATIVE,
|
|
unit='units-go-here',
|
|
volume=1,
|
|
user_id='test',
|
|
project_id='test',
|
|
resource_id='test_run_tasks',
|
|
timestamp=datetime.datetime.utcnow().isoformat(),
|
|
resource_metadata={'name': 'Pollster',
|
|
},
|
|
)
|
|
|
|
def get_samples(self, manager, cache, instance):
|
|
self.instances.append((manager, instance))
|
|
test_data_2 = util.make_sample_from_instance(
|
|
instance,
|
|
name='test2',
|
|
type=sample.TYPE_CUMULATIVE,
|
|
unit='units-go-here',
|
|
volume=1,
|
|
)
|
|
return [self.test_data_1, test_data_2]
|
|
|
|
@mock.patch('ceilometer.pipeline.setup_pipeline', mock.MagicMock())
|
|
def setUp(self):
|
|
super(TestNovaNotifier, self).setUp()
|
|
nova_CONF.compute_driver = 'nova.virt.fake.FakeDriver'
|
|
nova_CONF.notification_driver = [
|
|
nova_notifier.__name__,
|
|
'nova.openstack.common.notifier.rpc_notifier',
|
|
]
|
|
nova_CONF.rpc_backend = 'nova.openstack.common.rpc.impl_fake'
|
|
nova_CONF.vnc_enabled = False
|
|
nova_CONF.spice.enabled = False
|
|
self.compute = importutils.import_object(nova_CONF.compute_manager)
|
|
self.context = context.get_admin_context()
|
|
self.stubs = self.useFixture(moxstubout.MoxStubout()).stubs
|
|
fake_network.set_stub_network_methods(self.stubs)
|
|
|
|
self.instance_data = {"display_name": "instance-1",
|
|
"id": 1,
|
|
"image_ref": "FAKE",
|
|
"user_id": "FAKE",
|
|
"project_id": "FAKE",
|
|
"display_name": "FAKE NAME",
|
|
"hostname": "abcdef",
|
|
"reservation_id": "FAKE RID",
|
|
"instance_type_id": 1,
|
|
"architecture": "x86",
|
|
"memory_mb": "1024",
|
|
"root_gb": "20",
|
|
"ephemeral_gb": "0",
|
|
"vcpus": 1,
|
|
'node': "fakenode",
|
|
"host": "fakehost",
|
|
"availability_zone":
|
|
"1e3ce043029547f1a61c1996d1a531a4",
|
|
"created_at": '2012-05-08 20:23:41',
|
|
"launched_at": '2012-05-08 20:25:45',
|
|
"terminated_at": '2012-05-09 20:23:41',
|
|
"os_type": "linux",
|
|
"kernel_id": "kernelid",
|
|
"ramdisk_id": "ramdiskid",
|
|
"vm_state": vm_states.ACTIVE,
|
|
"task_state": None,
|
|
"access_ip_v4": "192.168.5.4",
|
|
"access_ip_v6": "2001:DB8::0",
|
|
"metadata": {},
|
|
"uuid": "144e08f4-00cb-11e2-888e-5453ed1bbb5f",
|
|
"system_metadata": {},
|
|
"user_data": None,
|
|
"cleaned": 0,
|
|
"deleted": None,
|
|
"vm_mode": None,
|
|
"deleted_at": None,
|
|
"disable_terminate": False,
|
|
"root_device_name": None,
|
|
"default_swap_device": None,
|
|
"launched_on": None,
|
|
"display_description": None,
|
|
"key_data": None,
|
|
"key_name": None,
|
|
"config_drive": None,
|
|
"power_state": None,
|
|
"default_ephemeral_device": None,
|
|
"progress": 0,
|
|
"scheduled_at": None,
|
|
"updated_at": None,
|
|
"shutdown_terminate": False,
|
|
"cell_name": 'cell',
|
|
"locked": False,
|
|
"locked_by": None,
|
|
"launch_index": 0,
|
|
"auto_disk_config": False,
|
|
"ephemeral_key_uuid": None
|
|
}
|
|
|
|
self.instance = nova_instance.Instance()
|
|
self.instance = nova_instance.Instance._from_db_object(
|
|
context, self.instance, self.instance_data,
|
|
expected_attrs=['metadata', 'system_metadata'])
|
|
|
|
self.stubs.Set(db, 'instance_info_cache_delete', self.do_nothing)
|
|
self.stubs.Set(db, 'instance_destroy', self.do_nothing)
|
|
self.stubs.Set(db, 'instance_system_metadata_get',
|
|
self.fake_db_instance_system_metadata_get)
|
|
self.stubs.Set(db, 'block_device_mapping_get_all_by_instance',
|
|
lambda context, instance: {})
|
|
self.stubs.Set(db, 'instance_update_and_get_original',
|
|
lambda *args, **kwargs: (self.instance, self.instance))
|
|
self.stubs.Set(flavors, 'extract_flavor', self.fake_extract_flavor)
|
|
|
|
# Set up to capture the notification messages generated by the
|
|
# plugin and to invoke our notifier plugin.
|
|
self.notifications = []
|
|
|
|
ext_mgr = extension.ExtensionManager.make_test_instance(
|
|
extensions=[
|
|
extension.Extension('test',
|
|
None,
|
|
None,
|
|
self.Pollster(),
|
|
),
|
|
],
|
|
)
|
|
self.ext_mgr = ext_mgr
|
|
self.gatherer = nova_notifier.DeletedInstanceStatsGatherer(ext_mgr)
|
|
# Initialize the global _gatherer in nova_notifier to use the
|
|
# gatherer in this test instead of the gatherer in nova_notifier.
|
|
nova_notifier.initialize_gatherer(self.gatherer)
|
|
|
|
# Terminate the instance to trigger the notification.
|
|
with contextlib.nested(
|
|
# Under Grizzly, Nova has moved to no-db access on the
|
|
# compute node. The compute manager uses RPC to talk to
|
|
# the conductor. We need to disable communication between
|
|
# the nova manager and the remote system since we can't
|
|
# expect the message bus to be available, or the remote
|
|
# controller to be there if the message bus is online.
|
|
mock.patch.object(self.compute, 'conductor_api'),
|
|
# The code that looks up the instance uses a global
|
|
# reference to the API, so we also have to patch that to
|
|
# return our fake data.
|
|
mock.patch.object(nova_notifier.conductor_api,
|
|
'instance_get_by_uuid',
|
|
self.fake_instance_ref_get),
|
|
mock.patch('nova.openstack.common.notifier.rpc_notifier.notify',
|
|
self.notify)
|
|
):
|
|
with mock.patch.object(self.compute.conductor_api,
|
|
'instance_destroy',
|
|
return_value=self.instance):
|
|
self.compute.terminate_instance(self.context,
|
|
instance=self.instance,
|
|
bdms=[],
|
|
reservations=[])
|
|
|
|
def tearDown(self):
|
|
self.Pollster.instances = []
|
|
super(TestNovaNotifier, self).tearDown()
|
|
nova_notifier._gatherer = None
|
|
|
|
# The instance returned by conductor API is a dictionary actually,
|
|
# and it will be transformed to an nova_notifier.Instance object
|
|
# that looks like what the novaclient gives them.
|
|
def fake_instance_ref_get(self, context, id_):
|
|
return self.instance_data
|
|
|
|
@staticmethod
|
|
def fake_extract_flavor(instance_ref):
|
|
return {'ephemeral_gb': 0,
|
|
'flavorid': '1',
|
|
'id': 2,
|
|
'memory_mb': 512,
|
|
'name': 'm1.tiny',
|
|
'root_gb': 1,
|
|
'rxtx_factor': 1.0,
|
|
'swap': 0,
|
|
'vcpu_weight': None,
|
|
'vcpus': 1}
|
|
|
|
@staticmethod
|
|
def do_nothing(*args, **kwargs):
|
|
pass
|
|
|
|
@staticmethod
|
|
def fake_db_instance_system_metadata_get(context, uuid):
|
|
return dict(meta_a=123, meta_b="foobar")
|
|
|
|
def notify(self, context, message):
|
|
self.notifications.append(message)
|
|
|
|
def test_pollster_called(self):
|
|
self.assertEqual(len(self.Pollster.instances), 1)
|
|
|
|
def test_correct_instance(self):
|
|
for i, (gatherer, inst) in enumerate(self.Pollster.instances):
|
|
self.assertEqual((i, inst.uuid), (i, self.instance.uuid))
|
|
|
|
def test_correct_gatherer(self):
|
|
for i, (gatherer, inst) in enumerate(self.Pollster.instances):
|
|
self.assertEqual((i, gatherer), (i, self.gatherer))
|
|
|
|
def test_instance_flavor(self):
|
|
inst = nova_notifier.Instance(context, self.instance)
|
|
self.assertEqual(inst.flavor['name'], 'm1.tiny')
|
|
self.assertEqual(inst.flavor['flavor_id'], '1')
|
|
|
|
def test_samples(self):
|
|
# Ensure that the outgoing notification looks like what we expect
|
|
for message in self.notifications:
|
|
event = message['event_type']
|
|
if event != 'compute.instance.delete.samples':
|
|
continue
|
|
payload = message['payload']
|
|
samples = payload['samples']
|
|
|
|
# Because the playload's samples doesn't include instance
|
|
# metadata, we can't check the metadata field directly.
|
|
# But if we make a mistake in the instance attributes, such
|
|
# as missing instance.name or instance.flavor['name'], it
|
|
# will raise AttributeError, which results the number of
|
|
# the samples doesn't equal to 2.
|
|
self.assertEqual(len(samples), 2)
|
|
s1 = payload['samples'][0]
|
|
self.assertEqual(s1, {'name': 'test1',
|
|
'type': sample.TYPE_CUMULATIVE,
|
|
'unit': 'units-go-here',
|
|
'volume': 1,
|
|
})
|
|
s2 = payload['samples'][1]
|
|
self.assertEqual(s2, {'name': 'test2',
|
|
'type': sample.TYPE_CUMULATIVE,
|
|
'unit': 'units-go-here',
|
|
'volume': 1,
|
|
})
|
|
|
|
break
|
|
else:
|
|
assert False, 'Did not find expected event'
|