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# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright (c) 2012 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 common notifcations."""
import copy
from nova.compute import instance_types
from nova.compute import task_states
from nova.compute import vm_states
from nova import context
from nova import db
from nova import flags
from nova.network import api as network_api
from nova import notifications
from nova.openstack.common import log as logging
from nova.openstack.common.notifier import api as notifier_api
from nova.openstack.common.notifier import test_notifier
from nova import test
from nova.tests import fake_network
LOG = logging.getLogger(__name__)
FLAGS = flags.FLAGS
class NotificationsTestCase(test.TestCase):
def setUp(self):
super(NotificationsTestCase, self).setUp()
self.net_info = fake_network.fake_get_instance_nw_info(self.stubs, 1,
1, spectacular=True)
def fake_get_nw_info(cls, ctxt, instance):
self.assertTrue(ctxt.is_admin)
return self.net_info
self.stubs.Set(network_api.API, 'get_instance_nw_info',
fake_get_nw_info)
fake_network.set_stub_network_methods(self.stubs)
self.flags(compute_driver='nova.virt.fake.FakeDriver',
notification_driver=[test_notifier.__name__],
network_manager='nova.network.manager.FlatManager',
notify_on_state_change="vm_and_task_state",
host='testhost')
self.user_id = 'fake'
self.project_id = 'fake'
self.context = context.RequestContext(self.user_id, self.project_id)
test_notifier.NOTIFICATIONS = []
self.instance = self._wrapped_create()
def tearDown(self):
notifier_api._reset_drivers()
super(NotificationsTestCase, self).tearDown()
def _wrapped_create(self, params=None):
inst = {}
inst['image_ref'] = 1
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['root_gb'] = 0
inst['ephemeral_gb'] = 0
inst['access_ip_v4'] = '1.2.3.4'
inst['access_ip_v6'] = 'feed:5eed'
inst['display_name'] = 'test_instance'
if params:
inst.update(params)
return db.instance_create(self.context, inst)
def test_notif_disabled(self):
# test config disable of the notifcations
self.flags(notify_on_state_change=None)
self.flags(notify_on_any_change=False)
old = copy.copy(self.instance)
self.instance["vm_state"] = vm_states.ACTIVE
old_vm_state = old['vm_state']
new_vm_state = self.instance["vm_state"]
old_task_state = old['task_state']
new_task_state = self.instance["task_state"]
notifications.send_update_with_states(self.context, self.instance,
old_vm_state, new_vm_state, old_task_state, new_task_state,
verify_states=True)
notifications.send_update(self.context, old, self.instance)
self.assertEquals(0, len(test_notifier.NOTIFICATIONS))
def test_task_notif(self):
# test config disable of just the task state notifications
self.flags(notify_on_state_change="vm_state")
# we should not get a notification on task stgate chagne now
old = copy.copy(self.instance)
self.instance["task_state"] = task_states.SPAWNING
old_vm_state = old['vm_state']
new_vm_state = self.instance["vm_state"]
old_task_state = old['task_state']
new_task_state = self.instance["task_state"]
notifications.send_update_with_states(self.context, self.instance,
old_vm_state, new_vm_state, old_task_state, new_task_state,
verify_states=True)
self.assertEquals(0, len(test_notifier.NOTIFICATIONS))
# ok now enable task state notifcations and re-try
self.flags(notify_on_state_change="vm_and_task_state")
notifications.send_update(self.context, old, self.instance)
self.assertEquals(1, len(test_notifier.NOTIFICATIONS))
def test_send_no_notif(self):
# test notification on send no initial vm state:
old_vm_state = self.instance['vm_state']
new_vm_state = self.instance['vm_state']
old_task_state = self.instance['task_state']
new_task_state = self.instance['task_state']
notifications.send_update_with_states(self.context, self.instance,
old_vm_state, new_vm_state, old_task_state, new_task_state,
service="compute", host=None, verify_states=True)
self.assertEquals(0, len(test_notifier.NOTIFICATIONS))
def test_send_on_vm_change(self):
# pretend we just transitioned to ACTIVE:
params = {"vm_state": vm_states.ACTIVE}
(old_ref, new_ref) = db.instance_update_and_get_original(self.context,
self.instance['uuid'], params)
notifications.send_update(self.context, old_ref, new_ref)
self.assertEquals(1, len(test_notifier.NOTIFICATIONS))
def test_send_on_task_change(self):
# pretend we just transitioned to task SPAWNING:
params = {"task_state": task_states.SPAWNING}
(old_ref, new_ref) = db.instance_update_and_get_original(self.context,
self.instance['uuid'], params)
print old_ref["task_state"]
print new_ref["task_state"]
notifications.send_update(self.context, old_ref, new_ref)
self.assertEquals(1, len(test_notifier.NOTIFICATIONS))
def test_no_update_with_states(self):
notifications.send_update_with_states(self.context, self.instance,
vm_states.BUILDING, vm_states.BUILDING, task_states.SPAWNING,
task_states.SPAWNING, verify_states=True)
self.assertEquals(0, len(test_notifier.NOTIFICATIONS))
def test_vm_update_with_states(self):
notifications.send_update_with_states(self.context, self.instance,
vm_states.BUILDING, vm_states.ACTIVE, task_states.SPAWNING,
task_states.SPAWNING, verify_states=True)
self.assertEquals(1, len(test_notifier.NOTIFICATIONS))
notif = test_notifier.NOTIFICATIONS[0]
payload = notif["payload"]
access_ip_v4 = self.instance["access_ip_v4"]
access_ip_v6 = self.instance["access_ip_v6"]
display_name = self.instance["display_name"]
self.assertEquals(vm_states.BUILDING, payload["old_state"])
self.assertEquals(vm_states.ACTIVE, payload["state"])
self.assertEquals(task_states.SPAWNING, payload["old_task_state"])
self.assertEquals(task_states.SPAWNING, payload["new_task_state"])
self.assertEquals(payload["access_ip_v4"], access_ip_v4)
self.assertEquals(payload["access_ip_v6"], access_ip_v6)
self.assertEquals(payload["display_name"], display_name)
def test_task_update_with_states(self):
self.flags(notify_on_state_change="vm_and_task_state")
notifications.send_update_with_states(self.context, self.instance,
vm_states.BUILDING, vm_states.BUILDING, task_states.SPAWNING,
None, verify_states=True)
self.assertEquals(1, len(test_notifier.NOTIFICATIONS))
notif = test_notifier.NOTIFICATIONS[0]
payload = notif["payload"]
access_ip_v4 = self.instance["access_ip_v4"]
access_ip_v6 = self.instance["access_ip_v6"]
display_name = self.instance["display_name"]
self.assertEquals(vm_states.BUILDING, payload["old_state"])
self.assertEquals(vm_states.BUILDING, payload["state"])
self.assertEquals(task_states.SPAWNING, payload["old_task_state"])
self.assertEquals(None, payload["new_task_state"])
self.assertEquals(payload["access_ip_v4"], access_ip_v4)
self.assertEquals(payload["access_ip_v6"], access_ip_v6)
self.assertEquals(payload["display_name"], display_name)
def test_update_no_service_name(self):
notifications.send_update_with_states(self.context, self.instance,
vm_states.BUILDING, vm_states.BUILDING, task_states.SPAWNING,
None)
self.assertEquals(1, len(test_notifier.NOTIFICATIONS))
# service name should default to 'compute'
notif = test_notifier.NOTIFICATIONS[0]
self.assertEquals('compute.testhost', notif['publisher_id'])
def test_update_with_service_name(self):
notifications.send_update_with_states(self.context, self.instance,
vm_states.BUILDING, vm_states.BUILDING, task_states.SPAWNING,
None, service="testservice")
self.assertEquals(1, len(test_notifier.NOTIFICATIONS))
# service name should default to 'compute'
notif = test_notifier.NOTIFICATIONS[0]
self.assertEquals('testservice.testhost', notif['publisher_id'])
def test_update_with_host_name(self):
notifications.send_update_with_states(self.context, self.instance,
vm_states.BUILDING, vm_states.BUILDING, task_states.SPAWNING,
None, host="someotherhost")
self.assertEquals(1, len(test_notifier.NOTIFICATIONS))
# service name should default to 'compute'
notif = test_notifier.NOTIFICATIONS[0]
self.assertEquals('compute.someotherhost', notif['publisher_id'])
def test_payload_has_fixed_ip_labels(self):
info = notifications.info_from_instance(self.context, self.instance,
self.net_info, None)
self.assertTrue("fixed_ips" in info)
self.assertEquals(info["fixed_ips"][0]["label"], "test1")
def test_send_access_ip_update(self):
notifications.send_update(self.context, self.instance, self.instance)
self.assertEquals(1, len(test_notifier.NOTIFICATIONS))
notif = test_notifier.NOTIFICATIONS[0]
payload = notif["payload"]
access_ip_v4 = self.instance["access_ip_v4"]
access_ip_v6 = self.instance["access_ip_v6"]
self.assertEquals(payload["access_ip_v4"], access_ip_v4)
self.assertEquals(payload["access_ip_v6"], access_ip_v6)
def test_send_name_update(self):
notifications.send_update(self.context, self.instance, self.instance)
self.assertEquals(1, len(test_notifier.NOTIFICATIONS))
notif = test_notifier.NOTIFICATIONS[0]
payload = notif["payload"]
display_name = self.instance["display_name"]
self.assertEquals(payload["display_name"], display_name)
def test_send_no_state_change(self):
called = [False]
def sending_no_state_change(context, instance, **kwargs):
called[0] = True
self.stubs.Set(notifications, '_send_instance_update_notification',
sending_no_state_change)
notifications.send_update(self.context, self.instance, self.instance)
self.assertTrue(called[0])
def test_fail_sending_update(self):
def fail_sending(context, instance, **kwargs):
raise Exception('failed to notify')
self.stubs.Set(notifications, '_send_instance_update_notification',
fail_sending)
notifications.send_update(self.context, self.instance, self.instance)
self.assertEquals(0, len(test_notifier.NOTIFICATIONS))
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