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# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2011 OpenStack LLC.
# All Rights Reserved.
#
# 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 miscellaneous util methods used with compute."""
from nova.compute import instance_types
from nova.compute import utils as compute_utils
from nova import context
from nova import db
from nova import flags
from nova import log as logging
from nova.notifier import test_notifier
from nova.openstack.common import importutils
from nova import test
from nova.tests import fake_network
import nova.tests.image.fake
from nova import utils
LOG = logging.getLogger(__name__)
FLAGS = flags.FLAGS
flags.DECLARE('stub_network', 'nova.compute.manager')
class UsageInfoTestCase(test.TestCase):
def setUp(self):
def fake_get_nw_info(cls, ctxt, instance):
self.assertTrue(ctxt.is_admin)
return fake_network.fake_get_instance_nw_info(self.stubs, 1, 1,
spectacular=True)
super(UsageInfoTestCase, self).setUp()
self.stubs.Set(nova.network.API, 'get_instance_nw_info',
fake_get_nw_info)
self.flags(compute_driver='nova.virt.fake.FakeDriver',
stub_network=True,
notification_driver='nova.notifier.test_notifier',
network_manager='nova.network.manager.FlatManager')
self.compute = importutils.import_object(FLAGS.compute_manager)
self.user_id = 'fake'
self.project_id = 'fake'
self.context = context.RequestContext(self.user_id, self.project_id)
test_notifier.NOTIFICATIONS = []
def fake_show(meh, context, id):
return {'id': 1, 'properties': {'kernel_id': 1, 'ramdisk_id': 1}}
self.stubs.Set(nova.tests.image.fake._FakeImageService,
'show', fake_show)
def _create_instance(self, params={}):
"""Create a test instance"""
inst = {}
inst['image_ref'] = 1
inst['reservation_id'] = 'r-fakeres'
inst['launch_time'] = '10'
inst['user_id'] = self.user_id
inst['project_id'] = self.project_id
type_id = instance_types.get_instance_type_by_name('m1.tiny')['id']
inst['instance_type_id'] = type_id
inst['ami_launch_index'] = 0
inst['root_gb'] = 0
inst['ephemeral_gb'] = 0
inst.update(params)
return db.instance_create(self.context, inst)['id']
def test_notify_usage_exists(self):
"""Ensure 'exists' notification generates appropriate usage data."""
instance_id = self._create_instance()
instance = db.instance_get(self.context, instance_id)
# Set some system metadata
sys_metadata = {'image_md_key1': 'val1',
'image_md_key2': 'val2',
'other_data': 'meow'}
db.instance_system_metadata_update(self.context, instance['uuid'],
sys_metadata, False)
compute_utils.notify_usage_exists(self.context, instance)
self.assertEquals(len(test_notifier.NOTIFICATIONS), 1)
msg = test_notifier.NOTIFICATIONS[0]
self.assertEquals(msg['priority'], 'INFO')
self.assertEquals(msg['event_type'], 'compute.instance.exists')
payload = msg['payload']
self.assertEquals(payload['tenant_id'], self.project_id)
self.assertEquals(payload['user_id'], self.user_id)
self.assertEquals(payload['instance_id'], instance.uuid)
self.assertEquals(payload['instance_type'], 'm1.tiny')
type_id = instance_types.get_instance_type_by_name('m1.tiny')['id']
self.assertEquals(str(payload['instance_type_id']), str(type_id))
for attr in ('display_name', 'created_at', 'launched_at',
'state', 'state_description',
'bandwidth', 'audit_period_beginning',
'audit_period_ending', 'image_meta'):
self.assertTrue(attr in payload,
msg="Key %s not in payload" % attr)
self.assertEquals(payload['image_meta'],
{'md_key1': 'val1', 'md_key2': 'val2'})
image_ref_url = "%s/images/1" % utils.generate_glance_url()
self.assertEquals(payload['image_ref_url'], image_ref_url)
self.compute.terminate_instance(self.context, instance['uuid'])
def test_notify_usage_exists_instance_not_found(self):
"""Ensure 'exists' notification generates appropriate usage data."""
instance_id = self._create_instance()
instance = db.instance_get(self.context, instance_id)
self.compute.terminate_instance(self.context, instance['uuid'])
compute_utils.notify_usage_exists(self.context, instance)
msg = test_notifier.NOTIFICATIONS[-1]
self.assertEquals(msg['priority'], 'INFO')
self.assertEquals(msg['event_type'], 'compute.instance.exists')
payload = msg['payload']
self.assertEquals(payload['tenant_id'], self.project_id)
self.assertEquals(payload['user_id'], self.user_id)
self.assertEquals(payload['instance_id'], instance.uuid)
self.assertEquals(payload['instance_type'], 'm1.tiny')
type_id = instance_types.get_instance_type_by_name('m1.tiny')['id']
self.assertEquals(str(payload['instance_type_id']), str(type_id))
for attr in ('display_name', 'created_at', 'launched_at',
'state', 'state_description',
'bandwidth', 'audit_period_beginning',
'audit_period_ending', 'image_meta'):
self.assertTrue(attr in payload,
msg="Key %s not in payload" % attr)
self.assertEquals(payload['image_meta'], {})
image_ref_url = "%s/images/1" % utils.generate_glance_url()
self.assertEquals(payload['image_ref_url'], image_ref_url)
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