nova/nova/tests/unit/cells/test_cells_messaging.py
Matthew Edmonds dc32774ecc remove unnecessary conf imports
There are a bunch of files that define CONF but don't ever reference
it. This cleans that up, removing unnecessary imports.

In order to get flake8 to pass I also had to remove some (unrelated)
unused imports from touched files.

Change-Id: Ib96ebeeb5e4bfedb20afb02c56da1521df9fac4f
2018-03-09 14:30:10 -05:00

2164 lines
92 KiB
Python

# Copyright (c) 2012 Rackspace Hosting
# All Rights Reserved.
# Copyright 2013 Red Hat, Inc.
#
# 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 Cells Messaging module
"""
import mock
from mox3 import mox
import oslo_messaging
from oslo_serialization import jsonutils
from oslo_utils import timeutils
from nova.cells import messaging
from nova.cells import rpcapi as cells_rpcapi
from nova.cells import utils as cells_utils
from nova.compute import instance_actions
from nova.compute import task_states
from nova.compute import vm_states
from nova import context
from nova import db
from nova import exception
from nova import objects
from nova.objects import base as objects_base
from nova.objects import fields as objects_fields
from nova import rpc
from nova import test
from nova.tests.unit.cells import fakes
from nova.tests.unit import fake_instance
from nova.tests.unit import fake_server_actions
from nova.tests import uuidsentinel as uuids
class CellsMessageClassesTestCase(test.NoDBTestCase):
"""Test case for the main Cells Message classes."""
def setUp(self):
super(CellsMessageClassesTestCase, self).setUp()
fakes.init(self)
self.ctxt = context.RequestContext('fake', 'fake')
self.our_name = 'api-cell'
self.msg_runner = fakes.get_message_runner(self.our_name)
self.state_manager = self.msg_runner.state_manager
def test_reverse_path(self):
path = 'a!b!c!d'
expected = 'd!c!b!a'
rev_path = messaging._reverse_path(path)
self.assertEqual(expected, rev_path)
def test_response_cell_name_from_path(self):
# test array with tuples of inputs/expected outputs
test_paths = [('cell1', 'cell1'),
('cell1!cell2', 'cell2!cell1'),
('cell1!cell2!cell3', 'cell3!cell2!cell1')]
for test_input, expected_output in test_paths:
self.assertEqual(expected_output,
messaging._response_cell_name_from_path(test_input))
def test_response_cell_name_from_path_neighbor_only(self):
# test array with tuples of inputs/expected outputs
test_paths = [('cell1', 'cell1'),
('cell1!cell2', 'cell2!cell1'),
('cell1!cell2!cell3', 'cell3!cell2')]
for test_input, expected_output in test_paths:
self.assertEqual(expected_output,
messaging._response_cell_name_from_path(test_input,
neighbor_only=True))
def test_response_to_json_and_from_json(self):
fake_uuid = uuids.fake
response = messaging.Response(self.ctxt, 'child-cell!api-cell',
objects.Instance(id=1, uuid=fake_uuid),
False)
json_response = response.to_json()
deserialized_response = messaging.Response.from_json(self.ctxt,
json_response)
obj = deserialized_response.value
self.assertIsInstance(obj, objects.Instance)
self.assertEqual(1, obj.id)
self.assertEqual(fake_uuid, obj.uuid)
def test_targeted_message(self):
self.flags(max_hop_count=99, group='cells')
target_cell = 'api-cell!child-cell2!grandchild-cell1'
method = 'fake_method'
method_kwargs = dict(arg1=1, arg2=2)
direction = 'down'
tgt_message = messaging._TargetedMessage(self.msg_runner,
self.ctxt, method,
method_kwargs, direction,
target_cell)
self.assertEqual(self.ctxt, tgt_message.ctxt)
self.assertEqual(method, tgt_message.method_name)
self.assertEqual(method_kwargs, tgt_message.method_kwargs)
self.assertEqual(direction, tgt_message.direction)
self.assertEqual(target_cell, target_cell)
self.assertFalse(tgt_message.fanout)
self.assertFalse(tgt_message.need_response)
self.assertEqual(self.our_name, tgt_message.routing_path)
self.assertEqual(1, tgt_message.hop_count)
self.assertEqual(99, tgt_message.max_hop_count)
self.assertFalse(tgt_message.is_broadcast)
# Correct next hop?
next_hop = tgt_message._get_next_hop()
child_cell = self.state_manager.get_child_cell('child-cell2')
self.assertEqual(child_cell, next_hop)
def test_create_targeted_message_with_response(self):
self.flags(max_hop_count=99, group='cells')
our_name = 'child-cell1'
target_cell = 'child-cell1!api-cell'
msg_runner = fakes.get_message_runner(our_name)
method = 'fake_method'
method_kwargs = dict(arg1=1, arg2=2)
direction = 'up'
tgt_message = messaging._TargetedMessage(msg_runner,
self.ctxt, method,
method_kwargs, direction,
target_cell,
need_response=True)
self.assertEqual(self.ctxt, tgt_message.ctxt)
self.assertEqual(method, tgt_message.method_name)
self.assertEqual(method_kwargs, tgt_message.method_kwargs)
self.assertEqual(direction, tgt_message.direction)
self.assertEqual(target_cell, target_cell)
self.assertFalse(tgt_message.fanout)
self.assertTrue(tgt_message.need_response)
self.assertEqual(our_name, tgt_message.routing_path)
self.assertEqual(1, tgt_message.hop_count)
self.assertEqual(99, tgt_message.max_hop_count)
self.assertFalse(tgt_message.is_broadcast)
# Correct next hop?
next_hop = tgt_message._get_next_hop()
parent_cell = msg_runner.state_manager.get_parent_cell('api-cell')
self.assertEqual(parent_cell, next_hop)
def test_targeted_message_when_target_is_cell_state(self):
method = 'fake_method'
method_kwargs = dict(arg1=1, arg2=2)
direction = 'down'
target_cell = self.state_manager.get_child_cell('child-cell2')
tgt_message = messaging._TargetedMessage(self.msg_runner,
self.ctxt, method,
method_kwargs, direction,
target_cell)
self.assertEqual('api-cell!child-cell2', tgt_message.target_cell)
# Correct next hop?
next_hop = tgt_message._get_next_hop()
self.assertEqual(target_cell, next_hop)
def test_targeted_message_when_target_cell_state_is_me(self):
method = 'fake_method'
method_kwargs = dict(arg1=1, arg2=2)
direction = 'down'
target_cell = self.state_manager.get_my_state()
tgt_message = messaging._TargetedMessage(self.msg_runner,
self.ctxt, method,
method_kwargs, direction,
target_cell)
self.assertEqual('api-cell', tgt_message.target_cell)
# Correct next hop?
next_hop = tgt_message._get_next_hop()
self.assertEqual(target_cell, next_hop)
def test_create_broadcast_message(self):
self.flags(max_hop_count=99, group='cells')
self.flags(name='api-cell', max_hop_count=99, group='cells')
method = 'fake_method'
method_kwargs = dict(arg1=1, arg2=2)
direction = 'down'
bcast_message = messaging._BroadcastMessage(self.msg_runner,
self.ctxt, method,
method_kwargs, direction)
self.assertEqual(self.ctxt, bcast_message.ctxt)
self.assertEqual(method, bcast_message.method_name)
self.assertEqual(method_kwargs, bcast_message.method_kwargs)
self.assertEqual(direction, bcast_message.direction)
self.assertFalse(bcast_message.fanout)
self.assertFalse(bcast_message.need_response)
self.assertEqual(self.our_name, bcast_message.routing_path)
self.assertEqual(1, bcast_message.hop_count)
self.assertEqual(99, bcast_message.max_hop_count)
self.assertTrue(bcast_message.is_broadcast)
# Correct next hops?
next_hops = bcast_message._get_next_hops()
child_cells = self.state_manager.get_child_cells()
self.assertEqual(child_cells, next_hops)
def test_create_broadcast_message_with_response(self):
self.flags(max_hop_count=99, group='cells')
our_name = 'child-cell1'
msg_runner = fakes.get_message_runner(our_name)
method = 'fake_method'
method_kwargs = dict(arg1=1, arg2=2)
direction = 'up'
bcast_message = messaging._BroadcastMessage(msg_runner, self.ctxt,
method, method_kwargs, direction, need_response=True)
self.assertEqual(self.ctxt, bcast_message.ctxt)
self.assertEqual(method, bcast_message.method_name)
self.assertEqual(method_kwargs, bcast_message.method_kwargs)
self.assertEqual(direction, bcast_message.direction)
self.assertFalse(bcast_message.fanout)
self.assertTrue(bcast_message.need_response)
self.assertEqual(our_name, bcast_message.routing_path)
self.assertEqual(1, bcast_message.hop_count)
self.assertEqual(99, bcast_message.max_hop_count)
self.assertTrue(bcast_message.is_broadcast)
# Correct next hops?
next_hops = bcast_message._get_next_hops()
parent_cells = msg_runner.state_manager.get_parent_cells()
self.assertEqual(parent_cells, next_hops)
def test_self_targeted_message(self):
target_cell = 'api-cell'
method = 'our_fake_method'
method_kwargs = dict(arg1=1, arg2=2)
direction = 'down'
call_info = {}
def our_fake_method(message, **kwargs):
call_info['context'] = message.ctxt
call_info['routing_path'] = message.routing_path
call_info['kwargs'] = kwargs
fakes.stub_tgt_method(self, 'api-cell', 'our_fake_method',
our_fake_method)
tgt_message = messaging._TargetedMessage(self.msg_runner,
self.ctxt, method,
method_kwargs, direction,
target_cell)
tgt_message.process()
self.assertEqual(self.ctxt, call_info['context'])
self.assertEqual(method_kwargs, call_info['kwargs'])
self.assertEqual(target_cell, call_info['routing_path'])
def test_child_targeted_message(self):
target_cell = 'api-cell!child-cell1'
method = 'our_fake_method'
method_kwargs = dict(arg1=1, arg2=2)
direction = 'down'
call_info = {}
def our_fake_method(message, **kwargs):
call_info['context'] = message.ctxt
call_info['routing_path'] = message.routing_path
call_info['kwargs'] = kwargs
fakes.stub_tgt_method(self, 'child-cell1', 'our_fake_method',
our_fake_method)
tgt_message = messaging._TargetedMessage(self.msg_runner,
self.ctxt, method,
method_kwargs, direction,
target_cell)
tgt_message.process()
self.assertEqual(self.ctxt, call_info['context'])
self.assertEqual(method_kwargs, call_info['kwargs'])
self.assertEqual(target_cell, call_info['routing_path'])
def test_child_targeted_message_with_object(self):
target_cell = 'api-cell!child-cell1'
method = 'our_fake_method'
direction = 'down'
call_info = {}
class CellsMsgingTestObject(objects_base.NovaObject):
"""Test object. We just need 1 field in order to test
that this gets serialized properly.
"""
fields = {'test': objects_fields.StringField()}
objects_base.NovaObjectRegistry.register(CellsMsgingTestObject)
test_obj = CellsMsgingTestObject()
test_obj.test = 'meow'
method_kwargs = dict(obj=test_obj, arg1=1, arg2=2)
def our_fake_method(message, **kwargs):
call_info['context'] = message.ctxt
call_info['routing_path'] = message.routing_path
call_info['kwargs'] = kwargs
fakes.stub_tgt_method(self, 'child-cell1', 'our_fake_method',
our_fake_method)
tgt_message = messaging._TargetedMessage(self.msg_runner,
self.ctxt, method,
method_kwargs, direction,
target_cell)
tgt_message.process()
self.assertEqual(self.ctxt, call_info['context'])
self.assertEqual(target_cell, call_info['routing_path'])
self.assertEqual(3, len(call_info['kwargs']))
self.assertEqual(1, call_info['kwargs']['arg1'])
self.assertEqual(2, call_info['kwargs']['arg2'])
# Verify we get a new object with what we expect.
obj = call_info['kwargs']['obj']
self.assertIsInstance(obj, CellsMsgingTestObject)
self.assertNotEqual(id(test_obj), id(obj))
self.assertEqual(test_obj.test, obj.test)
def test_grandchild_targeted_message(self):
target_cell = 'api-cell!child-cell2!grandchild-cell1'
method = 'our_fake_method'
method_kwargs = dict(arg1=1, arg2=2)
direction = 'down'
call_info = {}
def our_fake_method(message, **kwargs):
call_info['context'] = message.ctxt
call_info['routing_path'] = message.routing_path
call_info['kwargs'] = kwargs
fakes.stub_tgt_method(self, 'grandchild-cell1', 'our_fake_method',
our_fake_method)
tgt_message = messaging._TargetedMessage(self.msg_runner,
self.ctxt, method,
method_kwargs, direction,
target_cell)
tgt_message.process()
self.assertEqual(self.ctxt, call_info['context'])
self.assertEqual(method_kwargs, call_info['kwargs'])
self.assertEqual(target_cell, call_info['routing_path'])
def test_grandchild_targeted_message_with_response(self):
target_cell = 'api-cell!child-cell2!grandchild-cell1'
method = 'our_fake_method'
method_kwargs = dict(arg1=1, arg2=2)
direction = 'down'
call_info = {}
def our_fake_method(message, **kwargs):
call_info['context'] = message.ctxt
call_info['routing_path'] = message.routing_path
call_info['kwargs'] = kwargs
return 'our_fake_response'
fakes.stub_tgt_method(self, 'grandchild-cell1', 'our_fake_method',
our_fake_method)
tgt_message = messaging._TargetedMessage(self.msg_runner,
self.ctxt, method,
method_kwargs, direction,
target_cell,
need_response=True)
response = tgt_message.process()
self.assertEqual(self.ctxt, call_info['context'])
self.assertEqual(method_kwargs, call_info['kwargs'])
self.assertEqual(target_cell, call_info['routing_path'])
self.assertFalse(response.failure)
self.assertEqual('our_fake_response', response.value_or_raise())
def test_grandchild_targeted_message_with_error(self):
target_cell = 'api-cell!child-cell2!grandchild-cell1'
method = 'our_fake_method'
method_kwargs = dict(arg1=1, arg2=2)
direction = 'down'
def our_fake_method(message, **kwargs):
raise test.TestingException('this should be returned')
fakes.stub_tgt_method(self, 'grandchild-cell1', 'our_fake_method',
our_fake_method)
tgt_message = messaging._TargetedMessage(self.msg_runner,
self.ctxt, method,
method_kwargs, direction,
target_cell,
need_response=True)
response = tgt_message.process()
self.assertTrue(response.failure)
self.assertRaises(test.TestingException, response.value_or_raise)
def test_grandchild_targeted_message_max_hops(self):
self.flags(max_hop_count=2, group='cells')
target_cell = 'api-cell!child-cell2!grandchild-cell1'
method = 'our_fake_method'
method_kwargs = dict(arg1=1, arg2=2)
direction = 'down'
def our_fake_method(message, **kwargs):
raise test.TestingException('should not be reached')
fakes.stub_tgt_method(self, 'grandchild-cell1', 'our_fake_method',
our_fake_method)
tgt_message = messaging._TargetedMessage(self.msg_runner,
self.ctxt, method,
method_kwargs, direction,
target_cell,
need_response=True)
response = tgt_message.process()
self.assertTrue(response.failure)
self.assertRaises(exception.CellMaxHopCountReached,
response.value_or_raise)
def test_targeted_message_invalid_cell(self):
target_cell = 'api-cell!child-cell2!grandchild-cell4'
method = 'our_fake_method'
method_kwargs = dict(arg1=1, arg2=2)
direction = 'down'
tgt_message = messaging._TargetedMessage(self.msg_runner,
self.ctxt, method,
method_kwargs, direction,
target_cell,
need_response=True)
response = tgt_message.process()
self.assertTrue(response.failure)
self.assertRaises(exception.CellRoutingInconsistency,
response.value_or_raise)
def test_targeted_message_invalid_cell2(self):
target_cell = 'unknown-cell!child-cell2'
method = 'our_fake_method'
method_kwargs = dict(arg1=1, arg2=2)
direction = 'down'
tgt_message = messaging._TargetedMessage(self.msg_runner,
self.ctxt, method,
method_kwargs, direction,
target_cell,
need_response=True)
response = tgt_message.process()
self.assertTrue(response.failure)
self.assertRaises(exception.CellRoutingInconsistency,
response.value_or_raise)
def test_targeted_message_target_cell_none(self):
target_cell = None
method = 'our_fake_method'
method_kwargs = dict(arg=1, arg2=2)
direction = 'down'
self.assertRaises(exception.CellRoutingInconsistency,
messaging._TargetedMessage, self.msg_runner, self.ctxt, method,
method_kwargs, direction, target_cell, need_response=False)
def test_broadcast_routing(self):
method = 'our_fake_method'
method_kwargs = dict(arg1=1, arg2=2)
direction = 'down'
cells = set()
def our_fake_method(message, **kwargs):
cells.add(message.routing_path)
fakes.stub_bcast_methods(self, 'our_fake_method', our_fake_method)
bcast_message = messaging._BroadcastMessage(self.msg_runner,
self.ctxt, method,
method_kwargs,
direction,
run_locally=True)
bcast_message.process()
# fakes creates 8 cells (including ourself).
self.assertEqual(8, len(cells))
def test_broadcast_routing_up(self):
method = 'our_fake_method'
method_kwargs = dict(arg1=1, arg2=2)
direction = 'up'
msg_runner = fakes.get_message_runner('grandchild-cell3')
cells = set()
def our_fake_method(message, **kwargs):
cells.add(message.routing_path)
fakes.stub_bcast_methods(self, 'our_fake_method', our_fake_method)
bcast_message = messaging._BroadcastMessage(msg_runner, self.ctxt,
method, method_kwargs,
direction,
run_locally=True)
bcast_message.process()
# Paths are reversed, since going 'up'
expected = set(['grandchild-cell3', 'grandchild-cell3!child-cell3',
'grandchild-cell3!child-cell3!api-cell'])
self.assertEqual(expected, cells)
def test_broadcast_routing_without_ourselves(self):
method = 'our_fake_method'
method_kwargs = dict(arg1=1, arg2=2)
direction = 'down'
cells = set()
def our_fake_method(message, **kwargs):
cells.add(message.routing_path)
fakes.stub_bcast_methods(self, 'our_fake_method', our_fake_method)
bcast_message = messaging._BroadcastMessage(self.msg_runner,
self.ctxt, method,
method_kwargs,
direction,
run_locally=False)
bcast_message.process()
# fakes creates 8 cells (including ourself). So we should see
# only 7 here.
self.assertEqual(7, len(cells))
def test_broadcast_routing_with_response(self):
method = 'our_fake_method'
method_kwargs = dict(arg1=1, arg2=2)
direction = 'down'
def our_fake_method(message, **kwargs):
return 'response-%s' % message.routing_path
fakes.stub_bcast_methods(self, 'our_fake_method', our_fake_method)
bcast_message = messaging._BroadcastMessage(self.msg_runner,
self.ctxt, method,
method_kwargs,
direction,
run_locally=True,
need_response=True)
responses = bcast_message.process()
self.assertEqual(8, len(responses))
for response in responses:
self.assertFalse(response.failure)
self.assertEqual('response-%s' % response.cell_name,
response.value_or_raise())
def test_broadcast_routing_with_response_max_hops(self):
self.flags(max_hop_count=2, group='cells')
method = 'our_fake_method'
method_kwargs = dict(arg1=1, arg2=2)
direction = 'down'
def our_fake_method(message, **kwargs):
return 'response-%s' % message.routing_path
fakes.stub_bcast_methods(self, 'our_fake_method', our_fake_method)
bcast_message = messaging._BroadcastMessage(self.msg_runner,
self.ctxt, method,
method_kwargs,
direction,
run_locally=True,
need_response=True)
responses = bcast_message.process()
# Should only get responses from our immediate children (and
# ourselves)
self.assertEqual(5, len(responses))
for response in responses:
self.assertFalse(response.failure)
self.assertEqual('response-%s' % response.cell_name,
response.value_or_raise())
def test_broadcast_routing_with_all_erroring(self):
method = 'our_fake_method'
method_kwargs = dict(arg1=1, arg2=2)
direction = 'down'
def our_fake_method(message, **kwargs):
raise test.TestingException('fake failure')
fakes.stub_bcast_methods(self, 'our_fake_method', our_fake_method)
bcast_message = messaging._BroadcastMessage(self.msg_runner,
self.ctxt, method,
method_kwargs,
direction,
run_locally=True,
need_response=True)
responses = bcast_message.process()
self.assertEqual(8, len(responses))
for response in responses:
self.assertTrue(response.failure)
self.assertRaises(test.TestingException, response.value_or_raise)
def test_broadcast_routing_with_two_erroring(self):
method = 'our_fake_method'
method_kwargs = dict(arg1=1, arg2=2)
direction = 'down'
def our_fake_method_failing(message, **kwargs):
raise test.TestingException('fake failure')
def our_fake_method(message, **kwargs):
return 'response-%s' % message.routing_path
fakes.stub_bcast_methods(self, 'our_fake_method', our_fake_method)
fakes.stub_bcast_method(self, 'child-cell2', 'our_fake_method',
our_fake_method_failing)
fakes.stub_bcast_method(self, 'grandchild-cell3', 'our_fake_method',
our_fake_method_failing)
bcast_message = messaging._BroadcastMessage(self.msg_runner,
self.ctxt, method,
method_kwargs,
direction,
run_locally=True,
need_response=True)
responses = bcast_message.process()
self.assertEqual(8, len(responses))
failure_responses = [resp for resp in responses if resp.failure]
success_responses = [resp for resp in responses if not resp.failure]
self.assertEqual(2, len(failure_responses))
self.assertEqual(6, len(success_responses))
for response in success_responses:
self.assertFalse(response.failure)
self.assertEqual('response-%s' % response.cell_name,
response.value_or_raise())
for response in failure_responses:
self.assertIn(response.cell_name, ['api-cell!child-cell2',
'api-cell!child-cell3!grandchild-cell3'])
self.assertTrue(response.failure)
self.assertRaises(test.TestingException, response.value_or_raise)
class CellsTargetedMethodsWithDatabaseTestCase(test.TestCase):
"""These tests access the database unlike the others."""
def setUp(self):
super(CellsTargetedMethodsWithDatabaseTestCase, self).setUp()
fakes.init(self)
self.ctxt = context.RequestContext('fake', 'fake')
self._setup_attrs('api-cell', 'api-cell!child-cell2')
def _setup_attrs(self, source_cell, target_cell):
self.tgt_cell_name = target_cell
self.src_msg_runner = fakes.get_message_runner(source_cell)
def test_service_delete(self):
fake_service = dict(id=42, host='fake_host', binary='nova-compute',
topic='compute')
ctxt = self.ctxt.elevated()
db.service_create(ctxt, fake_service)
self.src_msg_runner.service_delete(
ctxt, self.tgt_cell_name, fake_service['id'])
self.assertRaises(exception.ServiceNotFound,
db.service_get, ctxt, fake_service['id'])
class CellsTargetedMethodsTestCase(test.NoDBTestCase):
"""Test case for _TargetedMessageMethods class. Most of these
tests actually test the full path from the MessageRunner through
to the functionality of the message method. Hits 2 birds with 1
stone, even though it's a little more than a unit test.
"""
def setUp(self):
super(CellsTargetedMethodsTestCase, self).setUp()
fakes.init(self)
self.ctxt = context.RequestContext('fake', 'fake')
self._setup_attrs('api-cell', 'api-cell!child-cell2')
def _setup_attrs(self, source_cell, target_cell):
self.tgt_cell_name = target_cell
self.src_msg_runner = fakes.get_message_runner(source_cell)
self.src_state_manager = self.src_msg_runner.state_manager
tgt_shortname = target_cell.split('!')[-1]
self.tgt_cell_mgr = fakes.get_cells_manager(tgt_shortname)
self.tgt_msg_runner = self.tgt_cell_mgr.msg_runner
self.tgt_scheduler = self.tgt_msg_runner.scheduler
self.tgt_state_manager = self.tgt_msg_runner.state_manager
methods_cls = self.tgt_msg_runner.methods_by_type['targeted']
self.tgt_methods_cls = methods_cls
self.tgt_compute_api = methods_cls.compute_api
self.tgt_host_api = methods_cls.host_api
self.tgt_db_inst = methods_cls.db
self.tgt_c_rpcapi = methods_cls.compute_rpcapi
def test_build_instances(self):
build_inst_kwargs = {'filter_properties': {},
'key1': 'value1',
'key2': 'value2'}
with mock.patch.object(self.tgt_scheduler,
'build_instances') as mock_build_instances:
self.src_msg_runner.build_instances(self.ctxt, self.tgt_cell_name,
build_inst_kwargs)
mock_build_instances.assert_called_with(
test.MatchType(messaging._TargetedMessage),
build_inst_kwargs)
def _run_compute_api_method(self, method_name):
instance = fake_instance.fake_instance_obj(self.ctxt)
method_info = {'method': method_name,
'method_args': (instance.uuid, 2, 3),
'method_kwargs': {'arg1': 'val1', 'arg2': 'val2'}}
expected_attrs = ['metadata', 'system_metadata', 'security_groups',
'info_cache']
@mock.patch.object(self.tgt_compute_api, method_name,
return_value='fake-result')
@mock.patch.object(objects.Instance, 'get_by_uuid',
return_value=instance)
def run_method(mock_get_by_uuid, mock_method):
response = self.src_msg_runner.run_compute_api_method(
self.ctxt,
self.tgt_cell_name,
method_info,
True)
result = response.value_or_raise()
self.assertEqual('fake-result', result)
mock_get_by_uuid.assert_called_once_with(self.ctxt, instance.uuid,
expected_attrs=expected_attrs)
mock_method.assert_called_once_with(self.ctxt, instance, 2, 3,
arg1='val1', arg2='val2')
run_method()
def test_run_compute_api_method_expects_obj(self):
# Run compute_api start method
self._run_compute_api_method('start')
def test_run_compute_api_method_shelve_with_info_cache(self):
# Run compute_api shelve method as it requires info_cache and
# metadata to be present in instance object
self._run_compute_api_method('shelve')
@mock.patch.object(objects.Instance, 'get_by_uuid')
def test_run_compute_api_method_unknown_instance(self, mock_get_by_uuid):
# Unknown instance should send a broadcast up that instance
# is gone.
instance = fake_instance.fake_instance_obj(self.ctxt)
instance_uuid = instance.uuid
method_info = {'method': 'reboot',
'method_args': (instance_uuid, 2, 3),
'method_kwargs': {'arg1': 'val1', 'arg2': 'val2'}}
mock_get_by_uuid.side_effect = exception.InstanceNotFound(
instance_id=instance_uuid)
with mock.patch.object(self.tgt_msg_runner,
'instance_destroy_at_top') as des_top:
response = self.src_msg_runner.run_compute_api_method(
self.ctxt,
self.tgt_cell_name,
method_info,
True)
self.assertRaises(exception.InstanceNotFound,
response.value_or_raise)
des_top.assert_called_with(self.ctxt,
test.MatchType(objects.Instance))
mock_get_by_uuid.assert_called_once_with(
self.ctxt, instance.uuid,
expected_attrs=['metadata', 'system_metadata',
'security_groups', 'info_cache'])
def test_update_capabilities(self):
# Route up to API
self._setup_attrs('child-cell2', 'child-cell2!api-cell')
capabs = {'cap1': set(['val1', 'val2']),
'cap2': set(['val3'])}
# The list(set([])) seems silly, but we can't assume the order
# of the list... This behavior should match the code we're
# testing... which is check that a set was converted to a list.
expected_capabs = {'cap1': list(set(['val1', 'val2'])),
'cap2': ['val3']}
self.src_state_manager.get_our_capabilities = mock.Mock()
self.src_state_manager.get_our_capabilities.return_value = capabs
self.tgt_state_manager.update_cell_capabilities = mock.Mock()
self.tgt_msg_runner.tell_parents_our_capabilities = mock.Mock()
self.src_msg_runner.tell_parents_our_capabilities(self.ctxt)
self.tgt_state_manager.update_cell_capabilities.\
assert_called_with('child-cell2', expected_capabs)
self.tgt_msg_runner.tell_parents_our_capabilities.\
assert_called_with(self.ctxt)
self.src_state_manager.get_our_capabilities.\
assert_called_once()
def test_update_capacities(self):
self._setup_attrs('child-cell2', 'child-cell2!api-cell')
capacs = 'fake_capacs'
self.src_state_manager.get_our_capacities = mock.Mock()
self.src_state_manager.get_our_capacities.return_value = capacs
self.tgt_state_manager.update_cell_capacities = mock.Mock()
self.tgt_msg_runner.tell_parents_our_capacities = mock.Mock()
self.src_msg_runner.tell_parents_our_capacities(self.ctxt)
self.tgt_state_manager.update_cell_capacities.\
assert_called_with('child-cell2', capacs)
self.tgt_msg_runner.tell_parents_our_capacities.\
assert_called_with(self.ctxt)
def test_announce_capabilities(self):
self._setup_attrs('api-cell', 'api-cell!child-cell1')
# To make this easier to test, make us only have 1 child cell.
cell_state = self.src_state_manager.child_cells['child-cell1']
self.src_state_manager.child_cells = {'child-cell1': cell_state}
self.tgt_msg_runner.tell_parents_our_capabilities = mock.Mock()
self.src_msg_runner.ask_children_for_capabilities(self.ctxt)
self.tgt_msg_runner.tell_parents_our_capabilities.\
assert_called_with(self.ctxt)
def test_announce_capacities(self):
self._setup_attrs('api-cell', 'api-cell!child-cell1')
# To make this easier to test, make us only have 1 child cell.
cell_state = self.src_state_manager.child_cells['child-cell1']
self.src_state_manager.child_cells = {'child-cell1': cell_state}
self.tgt_msg_runner.tell_parents_our_capacities = mock.Mock()
self.src_msg_runner.ask_children_for_capacities(self.ctxt)
self.tgt_msg_runner.tell_parents_our_capacities.\
assert_called_with(self.ctxt)
@mock.patch.object(objects.Service, 'get_by_compute_host')
def test_service_get_by_compute_host(self, mock_cp_host):
fake_host_name = 'fake-host-name'
mock_cp_host.return_value = 'fake-service'
response = self.src_msg_runner.service_get_by_compute_host(
self.ctxt,
self.tgt_cell_name,
fake_host_name)
result = response.value_or_raise()
self.assertEqual('fake-service', result)
mock_cp_host.assert_called_with(self.ctxt, fake_host_name)
@mock.patch.object(objects.Service, 'get_by_args')
@mock.patch.object(objects.Service, 'save')
def test_service_update(self, mock_save, mock_get_args):
binary = 'nova-compute'
params_to_update = {'disabled': True, 'report_count': 13}
fake_service = objects.Service(id=42, host='fake_host',
binary='nova-compute',
topic='compute')
fake_service.compute_node = objects.ComputeNode(id=1, host='fake_host')
mock_get_args.return_value = fake_service
response = self.src_msg_runner.service_update(
self.ctxt, self.tgt_cell_name,
'fake_host', binary, params_to_update)
result = response.value_or_raise()
self.assertIsInstance(result, objects.Service)
self.assertTrue(objects_base.obj_equal_prims(fake_service, result))
mock_get_args.assert_called_with(self.ctxt,
'fake_host', 'nova-compute')
mock_save.assert_called_once()
@mock.patch.object(objects.Service, 'get_by_compute_host')
def test_proxy_rpc_to_manager_call(self, mock_cp_host):
fake_topic = 'fake-topic'
fake_rpc_message = {'method': 'fake_rpc_method', 'args': {}}
fake_host_name = 'fake-host-name'
class FakeRPCClient(object):
def prepare(self, timeout=5):
return self
def call(self, ctxt, method, **kwargs):
return 'fake_result'
def fake_get_client(target):
return FakeRPCClient()
# (Fixme) mock will mess up when mock an object of mock
# how to mock a function of mock object's return value
self.stub_out('nova.rpc.get_client', fake_get_client)
response = self.src_msg_runner.proxy_rpc_to_manager(
self.ctxt,
self.tgt_cell_name,
fake_host_name,
fake_topic,
fake_rpc_message, True, timeout=5)
result = response.value_or_raise()
self.assertEqual('fake_result', result)
mock_cp_host.assert_called_with(self.ctxt, fake_host_name)
@mock.patch.object(rpc, 'get_client')
@mock.patch.object(objects.Service, 'get_by_compute_host')
def test_proxy_rpc_to_manager_cast(self, mock_cp_host, mock_client):
fake_topic = 'fake-topic'
fake_rpc_message = {'method': 'fake_rpc_method', 'args': {}}
fake_host_name = 'fake-host-name'
target = oslo_messaging.Target(topic='fake-topic')
rpcclient = mock.Mock()
mock_client.return_value = rpcclient
self.src_msg_runner.proxy_rpc_to_manager(
self.ctxt,
self.tgt_cell_name,
fake_host_name,
fake_topic,
fake_rpc_message, False, timeout=None)
mock_cp_host.assert_called_with(self.ctxt, fake_host_name)
rpcclient.cast.assert_called_with(mock.ANY, 'fake_rpc_method')
mock_client.assert_called_with(target)
def test_task_log_get_all_targeted(self):
task_name = 'fake_task_name'
begin = 'fake_begin'
end = 'fake_end'
host = 'fake_host'
state = 'fake_state'
with mock.patch.object(self.tgt_db_inst, 'task_log_get_all') as log_a:
log_a.return_value = ['fake_result']
response = self.src_msg_runner.task_log_get_all(self.ctxt,
self.tgt_cell_name, task_name, begin, end, host=host,
state=state)
log_a.assert_called_with(self.ctxt, task_name,
begin, end, host=host, state=state)
self.assertIsInstance(response, list)
self.assertEqual(1, len(response))
result = response[0].value_or_raise()
self.assertEqual(['fake_result'], result)
@mock.patch.object(objects.ComputeNode, 'get_by_id')
def test_compute_node_get(self, mock_get_id):
compute_id = 'fake-id'
mock_get_id.return_value = 'fake_result'
response = self.src_msg_runner.compute_node_get(self.ctxt,
self.tgt_cell_name, compute_id)
result = response.value_or_raise()
self.assertEqual('fake_result', result)
mock_get_id.assert_called_with(self.ctxt, compute_id)
@mock.patch.object(objects.ComputeNode, 'get_by_uuid',
return_value=objects.ComputeNode(uuid=uuids.cn_uuid))
def test_compute_node_get_using_uuid(self, compute_node_get_by_uuid):
"""Tests that _TargetedMessageMethods.compute_node_get handles a
UUID for the query parameter.
"""
response = self.src_msg_runner.compute_node_get(
self.ctxt, self.tgt_cell_name, uuids.cn_uuid)
result = response.value_or_raise()
self.assertEqual(uuids.cn_uuid, result.uuid)
compute_node_get_by_uuid.assert_called_once_with(
self.ctxt, uuids.cn_uuid)
def test_actions_get(self):
fake_uuid = fake_server_actions.FAKE_UUID
fake_req_id = fake_server_actions.FAKE_REQUEST_ID1
fake_act = fake_server_actions.FAKE_ACTIONS[fake_uuid][fake_req_id]
with mock.patch.object(self.tgt_db_inst, 'actions_get') as ac_get:
ac_get.return_value = [fake_act]
response = self.src_msg_runner.actions_get(self.ctxt,
self.tgt_cell_name,
fake_uuid)
result = response.value_or_raise()
self.assertEqual([jsonutils.to_primitive(fake_act)], result)
ac_get.assert_called_with(self.ctxt, fake_uuid)
def test_action_get_by_request_id(self):
fake_uuid = fake_server_actions.FAKE_UUID
fake_req_id = fake_server_actions.FAKE_REQUEST_ID1
fake_act = fake_server_actions.FAKE_ACTIONS[fake_uuid][fake_req_id]
with mock.patch.object(self.tgt_db_inst,
'action_get_by_request_id') as act_id:
act_id.return_value = fake_act
response = self.src_msg_runner.action_get_by_request_id(self.ctxt,
self.tgt_cell_name, fake_uuid, 'req-fake')
result = response.value_or_raise()
self.assertEqual(jsonutils.to_primitive(fake_act), result)
act_id.assert_called_with(self.ctxt, fake_uuid, 'req-fake')
def test_action_events_get(self):
fake_action_id = fake_server_actions.FAKE_ACTION_ID1
fake_events = fake_server_actions.FAKE_EVENTS[fake_action_id]
with mock.patch.object(self.tgt_db_inst,
'action_events_get') as act_get:
act_get.return_value = fake_events
response = self.src_msg_runner.action_events_get(self.ctxt,
self.tgt_cell_name,
'fake-action')
result = response.value_or_raise()
self.assertEqual(jsonutils.to_primitive(fake_events), result)
act_get.assert_called_with(self.ctxt, 'fake-action')
def test_validate_console_port(self):
instance_uuid = uuids.instance
instance = objects.Instance(uuid=instance_uuid)
console_port = 'fake-port'
console_type = 'fake-type'
@mock.patch.object(objects.Instance, 'get_by_uuid',
return_value=instance)
@mock.patch.object(self.tgt_c_rpcapi, 'validate_console_port',
return_value='fake_result')
def do_test(mock_validate, mock_get):
response = self.src_msg_runner.validate_console_port(self.ctxt,
self.tgt_cell_name, instance_uuid, console_port,
console_type)
result = response.value_or_raise()
self.assertEqual('fake_result', result)
mock_get.assert_called_once_with(self.ctxt, instance_uuid)
mock_validate.assert_called_once_with(self.ctxt, instance,
console_port, console_type)
do_test()
def test_get_migrations_for_a_given_cell(self):
filters = {'cell_name': 'child-cell2', 'status': 'confirmed'}
migrations_in_progress = [{'id': 123}]
with mock.patch.object(self.tgt_compute_api,
'get_migrations') as get_mig:
get_mig.return_value = migrations_in_progress
responses = self.src_msg_runner.get_migrations(
self.ctxt,
self.tgt_cell_name, False, filters)
result = responses[0].value_or_raise()
self.assertEqual(migrations_in_progress, result)
get_mig.assert_called_with(self.ctxt, filters)
def test_get_migrations_for_an_invalid_cell(self):
filters = {'cell_name': 'invalid_Cell', 'status': 'confirmed'}
responses = self.src_msg_runner.get_migrations(
self.ctxt,
'api_cell!invalid_cell', False, filters)
self.assertEqual(0, len(responses))
def test_call_compute_api_with_obj(self):
instance = objects.Instance()
instance.uuid = uuids.fake
self.mox.StubOutWithMock(instance, 'refresh')
# Using 'snapshot' for this test, because it
# takes args and kwargs.
self.mox.StubOutWithMock(self.tgt_compute_api, 'snapshot')
instance.refresh()
self.tgt_compute_api.snapshot(
self.ctxt, instance, 'name',
extra_properties='props').AndReturn('foo')
self.mox.ReplayAll()
result = self.tgt_methods_cls._call_compute_api_with_obj(
self.ctxt, instance, 'snapshot', 'name',
extra_properties='props')
self.assertEqual('foo', result)
def test_call_compute_api_with_obj_no_cache(self):
instance = objects.Instance()
instance.uuid = uuids.fake
error = exception.InstanceInfoCacheNotFound(
instance_uuid=instance.uuid)
with mock.patch.object(instance, 'refresh', side_effect=error):
self.assertRaises(exception.InstanceInfoCacheNotFound,
self.tgt_methods_cls._call_compute_api_with_obj,
self.ctxt, instance, 'snapshot')
def test_call_delete_compute_api_with_obj_no_cache(self):
instance = objects.Instance()
instance.uuid = uuids.fake
error = exception.InstanceInfoCacheNotFound(
instance_uuid=instance.uuid)
with test.nested(
mock.patch.object(instance, 'refresh',
side_effect=error),
mock.patch.object(self.tgt_compute_api, 'delete')) as (inst,
delete):
self.tgt_methods_cls._call_compute_api_with_obj(self.ctxt,
instance,
'delete')
delete.assert_called_once_with(self.ctxt, instance)
def test_call_compute_with_obj_unknown_instance(self):
instance = objects.Instance()
instance.uuid = uuids.fake
instance.vm_state = vm_states.ACTIVE
instance.task_state = None
self.mox.StubOutWithMock(instance, 'refresh')
self.mox.StubOutWithMock(self.tgt_msg_runner,
'instance_destroy_at_top')
instance.refresh().AndRaise(
exception.InstanceNotFound(instance_id=instance.uuid))
self.tgt_msg_runner.instance_destroy_at_top(self.ctxt,
mox.IsA(objects.Instance))
self.mox.ReplayAll()
self.assertRaises(exception.InstanceNotFound,
self.tgt_methods_cls._call_compute_api_with_obj,
self.ctxt, instance, 'snapshot', 'name')
def _instance_update_helper(self, admin_state_reset):
class FakeMessage(object):
pass
message = FakeMessage()
message.ctxt = self.ctxt
instance = objects.Instance()
instance.cell_name = self.tgt_cell_name
instance.obj_reset_changes()
instance.task_state = 'meow'
instance.vm_state = 'wuff'
instance.user_data = 'foo'
instance.metadata = {'meta': 'data'}
instance.system_metadata = {'system': 'metadata'}
self.assertEqual(set(['user_data', 'vm_state', 'task_state',
'metadata', 'system_metadata']),
instance.obj_what_changed())
self.mox.StubOutWithMock(instance, 'save')
def _check_object(*args, **kwargs):
# task_state and vm_state changes should have been cleared
# before calling save()
if admin_state_reset:
self.assertEqual(
set(['user_data', 'vm_state', 'task_state']),
instance.obj_what_changed())
else:
self.assertEqual(set(['user_data']),
instance.obj_what_changed())
instance.save(expected_task_state='exp_task',
expected_vm_state='exp_vm').WithSideEffects(
_check_object)
self.mox.ReplayAll()
self.tgt_methods_cls.instance_update_from_api(
message,
instance,
expected_vm_state='exp_vm',
expected_task_state='exp_task',
admin_state_reset=admin_state_reset)
def test_instance_update_from_api(self):
self._instance_update_helper(False)
def test_instance_update_from_api_admin_state_reset(self):
self._instance_update_helper(True)
def test_instance_update_from_api_calls_skip_cells_sync(self):
self.flags(enable=True, cell_type='compute', group='cells')
instance = fake_instance.fake_instance_obj(self.ctxt)
instance.cell_name = self.tgt_cell_name
instance.task_state = 'meow'
instance.vm_state = 'wuff'
instance.user_data = 'foo'
message = ''
@mock.patch.object(instance, 'save', side_effect=test.TestingException)
@mock.patch.object(instance, 'skip_cells_sync')
def _ensure_skip_cells_sync_called(mock_sync, mock_save):
self.assertRaises(test.TestingException,
self.tgt_methods_cls.instance_update_from_api,
message, instance, expected_vm_state='exp_vm',
expected_task_state='exp_task', admin_state_reset=False)
mock_sync.assert_has_calls([mock.call()])
_ensure_skip_cells_sync_called()
self.assertEqual(self.tgt_cell_name, instance.cell_name)
@mock.patch.object(db, 'instance_update_and_get_original')
def test_instance_update_from_api_skips_cell_sync(self, mock_db_update):
self.flags(enable=True, cell_type='compute', group='cells')
instance = fake_instance.fake_instance_obj(self.ctxt)
instance.cell_name = self.tgt_cell_name
instance.task_state = 'meow'
instance.vm_state = 'wuff'
instance.user_data = 'foo'
message = ''
inst_ref = dict(objects_base.obj_to_primitive(instance))
mock_db_update.return_value = (inst_ref, inst_ref)
with mock.patch.object(cells_rpcapi.CellsAPI,
'instance_update_at_top') as inst_upd_at_top:
self.tgt_methods_cls.instance_update_from_api(message, instance,
expected_vm_state='exp_vm', expected_task_state='exp_task',
admin_state_reset=False)
self.assertEqual(0, inst_upd_at_top.call_count)
def _test_instance_action_method(self, method, args, kwargs,
expected_args, expected_kwargs,
expect_result):
class FakeMessage(object):
pass
message = FakeMessage()
message.ctxt = self.ctxt
message.need_response = expect_result
meth_cls = self.tgt_methods_cls
self.mox.StubOutWithMock(meth_cls, '_call_compute_api_with_obj')
method_corrections = {
'terminate': 'delete',
}
api_method = method_corrections.get(method, method)
meth_cls._call_compute_api_with_obj(
self.ctxt, 'fake-instance', api_method,
*expected_args, **expected_kwargs).AndReturn('meow')
self.mox.ReplayAll()
method_translations = {'revert_resize': 'revert_resize',
'confirm_resize': 'confirm_resize',
'reset_network': 'reset_network',
'inject_network_info': 'inject_network_info',
'set_admin_password': 'set_admin_password',
}
tgt_method = method_translations.get(method,
'%s_instance' % method)
result = getattr(meth_cls, tgt_method)(
message, 'fake-instance', *args, **kwargs)
if expect_result:
self.assertEqual('meow', result)
def test_start_instance(self):
self._test_instance_action_method('start', (), {}, (), {}, False)
def test_stop_instance_cast(self):
self._test_instance_action_method('stop', (), {}, (),
{'do_cast': True,
'clean_shutdown': True}, False)
def test_stop_instance_call(self):
self._test_instance_action_method('stop', (), {}, (),
{'do_cast': False,
'clean_shutdown': True}, True)
def test_reboot_instance(self):
kwargs = dict(reboot_type='HARD')
self._test_instance_action_method('reboot', (), kwargs, (),
kwargs, False)
def test_suspend_instance(self):
self._test_instance_action_method('suspend', (), {}, (), {}, False)
def test_resume_instance(self):
self._test_instance_action_method('resume', (), {}, (), {}, False)
def test_get_host_uptime(self):
host_name = "fake-host"
host_uptime = (" 08:32:11 up 93 days, 18:25, 12 users, load average:"
" 0.20, 0.12, 0.14")
self.mox.StubOutWithMock(self.tgt_host_api, 'get_host_uptime')
self.tgt_host_api.get_host_uptime(self.ctxt, host_name).\
AndReturn(host_uptime)
self.mox.ReplayAll()
response = self.src_msg_runner.get_host_uptime(self.ctxt,
self.tgt_cell_name,
host_name)
expected_host_uptime = response.value_or_raise()
self.assertEqual(host_uptime, expected_host_uptime)
def test_terminate_instance(self):
self._test_instance_action_method('terminate',
(), {}, (), {}, False)
def test_soft_delete_instance(self):
self._test_instance_action_method('soft_delete',
(), {}, (), {}, False)
def test_pause_instance(self):
self._test_instance_action_method('pause', (), {}, (), {}, False)
def test_unpause_instance(self):
self._test_instance_action_method('unpause', (), {}, (), {}, False)
def _test_resize_instance(self, clean_shutdown=True):
kwargs = dict(flavor=dict(id=42, flavorid='orangemocchafrappuccino'),
extra_instance_updates=dict(cow='moo'),
clean_shutdown=clean_shutdown)
expected_kwargs = dict(flavor_id='orangemocchafrappuccino', cow='moo',
clean_shutdown=clean_shutdown)
self._test_instance_action_method('resize', (), kwargs,
(), expected_kwargs,
False)
def test_resize_instance(self):
self._test_resize_instance()
def test_resize_instance_forced_shutdown(self):
self._test_resize_instance(clean_shutdown=False)
def test_live_migrate_instance(self):
kwargs = dict(block_migration='fake-block-mig',
disk_over_commit='fake-commit',
host_name='fake-host')
expected_args = ('fake-block-mig', 'fake-commit', 'fake-host')
self._test_instance_action_method('live_migrate', (), kwargs,
expected_args, {}, False)
def test_revert_resize(self):
self._test_instance_action_method('revert_resize',
(), {}, (), {}, False)
def test_confirm_resize(self):
self._test_instance_action_method('confirm_resize',
(), {}, (), {}, False)
def test_reset_network(self):
self._test_instance_action_method('reset_network',
(), {}, (), {}, False)
def test_inject_network_info(self):
self._test_instance_action_method('inject_network_info',
(), {}, (), {}, False)
@mock.patch.object(objects.InstanceAction, 'action_start')
def test_snapshot_instance(self, action_start):
inst = objects.Instance(uuid=uuids.instance)
meth_cls = self.tgt_methods_cls
self.mox.StubOutWithMock(inst, 'refresh')
self.mox.StubOutWithMock(inst, 'save')
self.mox.StubOutWithMock(meth_cls.compute_rpcapi, 'snapshot_instance')
def check_state(expected_task_state=None):
self.assertEqual(task_states.IMAGE_SNAPSHOT_PENDING,
inst.task_state)
inst.refresh()
inst.save(expected_task_state=[None]).WithSideEffects(check_state)
meth_cls.compute_rpcapi.snapshot_instance(self.ctxt,
inst, 'image-id')
self.mox.ReplayAll()
class FakeMessage(object):
pass
message = FakeMessage()
message.ctxt = self.ctxt
message.need_response = False
meth_cls.snapshot_instance(message, inst, image_id='image-id')
action_start.assert_called_once_with(
message.ctxt, inst.uuid, instance_actions.CREATE_IMAGE,
want_result=False)
@mock.patch.object(objects.InstanceAction, 'action_start')
def test_backup_instance(self, action_start):
inst = objects.Instance(uuid=uuids.instance)
meth_cls = self.tgt_methods_cls
self.mox.StubOutWithMock(inst, 'refresh')
self.mox.StubOutWithMock(inst, 'save')
self.mox.StubOutWithMock(meth_cls.compute_rpcapi, 'backup_instance')
def check_state(expected_task_state=None):
self.assertEqual(task_states.IMAGE_BACKUP, inst.task_state)
inst.refresh()
inst.save(expected_task_state=[None]).WithSideEffects(check_state)
meth_cls.compute_rpcapi.backup_instance(self.ctxt,
inst,
'image-id',
'backup-type',
'rotation')
self.mox.ReplayAll()
class FakeMessage(object):
pass
message = FakeMessage()
message.ctxt = self.ctxt
message.need_response = False
meth_cls.backup_instance(message, inst,
image_id='image-id',
backup_type='backup-type',
rotation='rotation')
action_start.assert_called_once_with(
message.ctxt, inst.uuid, instance_actions.BACKUP,
want_result=False)
def test_set_admin_password(self):
args = ['fake-password']
self._test_instance_action_method('set_admin_password', args, {}, args,
{}, False)
class CellsBroadcastMethodsTestCase(test.NoDBTestCase):
"""Test case for _BroadcastMessageMethods class. Most of these
tests actually test the full path from the MessageRunner through
to the functionality of the message method. Hits 2 birds with 1
stone, even though it's a little more than a unit test.
"""
def setUp(self):
super(CellsBroadcastMethodsTestCase, self).setUp()
fakes.init(self)
self.ctxt = context.RequestContext('fake', 'fake')
self._setup_attrs()
def _setup_attrs(self, up=True):
mid_cell = 'child-cell2'
if up:
src_cell = 'grandchild-cell1'
tgt_cell = 'api-cell'
else:
src_cell = 'api-cell'
tgt_cell = 'grandchild-cell1'
self.src_msg_runner = fakes.get_message_runner(src_cell)
methods_cls = self.src_msg_runner.methods_by_type['broadcast']
self.src_methods_cls = methods_cls
self.src_db_inst = methods_cls.db
self.src_compute_api = methods_cls.compute_api
self.src_ca_rpcapi = methods_cls.consoleauth_rpcapi
if not up:
# fudge things so we only have 1 child to broadcast to
state_manager = self.src_msg_runner.state_manager
for cell in state_manager.get_child_cells():
if cell.name != 'child-cell2':
del state_manager.child_cells[cell.name]
self.mid_msg_runner = fakes.get_message_runner(mid_cell)
methods_cls = self.mid_msg_runner.methods_by_type['broadcast']
self.mid_methods_cls = methods_cls
self.mid_db_inst = methods_cls.db
self.mid_compute_api = methods_cls.compute_api
self.mid_ca_rpcapi = methods_cls.consoleauth_rpcapi
self.tgt_msg_runner = fakes.get_message_runner(tgt_cell)
methods_cls = self.tgt_msg_runner.methods_by_type['broadcast']
self.tgt_methods_cls = methods_cls
self.tgt_db_inst = methods_cls.db
self.tgt_compute_api = methods_cls.compute_api
self.tgt_ca_rpcapi = methods_cls.consoleauth_rpcapi
def test_at_the_top(self):
self.assertTrue(self.tgt_methods_cls._at_the_top())
self.assertFalse(self.mid_methods_cls._at_the_top())
self.assertFalse(self.src_methods_cls._at_the_top())
def test_apply_expected_states_building(self):
instance_info = objects.Instance(vm_state=vm_states.BUILDING)
expected = instance_info.obj_clone()
expected.expected_vm_state = [vm_states.BUILDING, None]
expected_vm_state = self.src_methods_cls._get_expected_vm_state(
instance_info)
self.assertEqual(expected.expected_vm_state, expected_vm_state)
def test_apply_expected_states_resize_finish(self):
instance_info = objects.Instance(task_state=task_states.RESIZE_FINISH)
exp_states = [task_states.RESIZE_FINISH,
task_states.RESIZE_MIGRATED,
task_states.RESIZE_MIGRATING,
task_states.RESIZE_PREP]
expected = instance_info.obj_clone()
expected.expected_task_state = exp_states
expected_task_state = self.src_methods_cls._get_expected_task_state(
instance_info)
self.assertEqual(expected.expected_task_state, expected_task_state)
def _test_instance_update_at_top(self, exists=True):
fake_uuid = fake_server_actions.FAKE_UUID
fake_info_cache = objects.InstanceInfoCache(
instance_uuid=fake_uuid)
fake_sys_metadata = {'key1': 'value1',
'key2': 'value2'}
fake_attrs = {'uuid': fake_uuid,
'cell_name': 'fake',
'info_cache': fake_info_cache,
'system_metadata': fake_sys_metadata}
fake_instance = objects.Instance(**fake_attrs)
expected_cell_name = 'api-cell!child-cell2!grandchild-cell1'
@mock.patch.object(objects.Instance, 'save')
@mock.patch.object(objects.Instance, 'create')
@mock.patch('nova.utils.get_obj_repr_unicode')
def do_test(mock_goru, mock_create, mock_save):
if not exists:
error = exception.InstanceNotFound(instance_id=fake_uuid)
mock_save.side_effect = error
self.src_msg_runner.instance_update_at_top(self.ctxt,
fake_instance)
if exists:
mock_save.assert_called_once_with(expected_vm_state=None,
expected_task_state=None)
self.assertFalse(mock_create.called)
instance = mock_goru.call_args_list[0][0][0]
self.assertEqual(fake_uuid, instance.uuid)
self.assertEqual(expected_cell_name, instance.cell_name)
self.assertEqual(fake_info_cache.instance_uuid,
instance.info_cache.instance_uuid)
self.assertEqual(fake_sys_metadata, instance.system_metadata)
else:
mock_save.assert_called_once_with(expected_vm_state=None,
expected_task_state=None)
mock_create.assert_called_once_with()
do_test()
def test_instance_update_at_top(self):
self._test_instance_update_at_top()
def test_instance_update_at_top_does_not_already_exist(self):
self._test_instance_update_at_top(exists=False)
def test_instance_update_at_top_with_building_state(self):
fake_uuid = fake_server_actions.FAKE_UUID
fake_info_cache = objects.InstanceInfoCache(
instance_uuid=fake_uuid)
fake_sys_metadata = {'key1': 'value1',
'key2': 'value2'}
fake_attrs = {'uuid': fake_uuid,
'cell_name': 'fake',
'info_cache': fake_info_cache,
'system_metadata': fake_sys_metadata,
'vm_state': vm_states.BUILDING}
fake_instance = objects.Instance(**fake_attrs)
expected_cell_name = 'api-cell!child-cell2!grandchild-cell1'
expected_vm_state = [vm_states.BUILDING, None]
def fake_save(instance):
self.assertEqual(fake_uuid, instance.uuid)
self.assertEqual(expected_cell_name, instance.cell_name)
self.assertEqual(fake_info_cache, instance.info_cache)
self.assertEqual(fake_sys_metadata, instance.system_metadata)
with mock.patch.object(objects.Instance, 'save',
side_effect=fake_save) as mock_save:
self.src_msg_runner.instance_update_at_top(self.ctxt,
fake_instance)
# Check that save is called with the right expected states.
mock_save.assert_called_once_with(
expected_vm_state=expected_vm_state, expected_task_state=None)
def test_instance_destroy_at_top(self):
fake_instance = objects.Instance(uuid=uuids.instance)
with mock.patch.object(objects.Instance, 'destroy') as mock_destroy:
self.src_msg_runner.instance_destroy_at_top(self.ctxt,
fake_instance)
mock_destroy.assert_called_once_with()
def test_instance_destroy_at_top_incomplete_instance_obj(self):
fake_instance = objects.Instance(uuid=uuids.instance)
with mock.patch.object(objects.Instance, 'get_by_uuid') as mock_get:
self.src_msg_runner.instance_destroy_at_top(self.ctxt,
fake_instance)
mock_get.assert_called_once_with(self.ctxt, fake_instance.uuid)
def test_instance_hard_delete_everywhere(self):
# Reset this, as this is a broadcast down.
self._setup_attrs(up=False)
instance = {'uuid': 'meow'}
# Should not be called in src (API cell)
self.mox.StubOutWithMock(self.src_compute_api, 'delete')
self.mox.StubOutWithMock(self.mid_compute_api, 'delete')
self.mox.StubOutWithMock(self.tgt_compute_api, 'delete')
self.mid_compute_api.delete(self.ctxt, instance)
self.tgt_compute_api.delete(self.ctxt, instance)
self.mox.ReplayAll()
self.src_msg_runner.instance_delete_everywhere(self.ctxt,
instance, 'hard')
def test_instance_soft_delete_everywhere(self):
# Reset this, as this is a broadcast down.
self._setup_attrs(up=False)
instance = {'uuid': 'meow'}
# Should not be called in src (API cell)
self.mox.StubOutWithMock(self.src_compute_api, 'soft_delete')
self.mox.StubOutWithMock(self.mid_compute_api, 'soft_delete')
self.mox.StubOutWithMock(self.tgt_compute_api, 'soft_delete')
self.mid_compute_api.soft_delete(self.ctxt, instance)
self.tgt_compute_api.soft_delete(self.ctxt, instance)
self.mox.ReplayAll()
self.src_msg_runner.instance_delete_everywhere(self.ctxt,
instance, 'soft')
def test_instance_fault_create_at_top(self):
fake_instance_fault = {'id': 1,
'message': 'fake-message',
'details': 'fake-details'}
if_mock = mock.Mock(spec_set=objects.InstanceFault)
def _check_create():
self.assertEqual('fake-message', if_mock.message)
self.assertEqual('fake-details', if_mock.details)
# Should not be set
self.assertNotEqual(1, if_mock.id)
if_mock.create.side_effect = _check_create
with mock.patch.object(objects, 'InstanceFault') as if_obj_mock:
if_obj_mock.return_value = if_mock
self.src_msg_runner.instance_fault_create_at_top(
self.ctxt, fake_instance_fault)
if_obj_mock.assert_called_once_with(context=self.ctxt)
if_mock.create.assert_called_once_with()
def test_bw_usage_update_at_top(self):
fake_bw_update_info = {'uuid': 'fake_uuid',
'mac': 'fake_mac',
'start_period': 'fake_start_period',
'bw_in': 'fake_bw_in',
'bw_out': 'fake_bw_out',
'last_ctr_in': 'fake_last_ctr_in',
'last_ctr_out': 'fake_last_ctr_out',
'last_refreshed': 'fake_last_refreshed'}
# Shouldn't be called for these 2 cells
self.mox.StubOutWithMock(self.src_db_inst, 'bw_usage_update')
self.mox.StubOutWithMock(self.mid_db_inst, 'bw_usage_update')
self.mox.StubOutWithMock(self.tgt_db_inst, 'bw_usage_update')
self.tgt_db_inst.bw_usage_update(self.ctxt, **fake_bw_update_info)
self.mox.ReplayAll()
self.src_msg_runner.bw_usage_update_at_top(self.ctxt,
fake_bw_update_info)
def test_sync_instances(self):
# Reset this, as this is a broadcast down.
self._setup_attrs(up=False)
project_id = 'fake_project_id'
updated_since_raw = 'fake_updated_since_raw'
updated_since_parsed = 'fake_updated_since_parsed'
deleted = 'fake_deleted'
instance1 = objects.Instance(uuid=uuids.instance_1, deleted=False)
instance2 = objects.Instance(uuid=uuids.instance_2, deleted=True)
fake_instances = [instance1, instance2]
self.mox.StubOutWithMock(self.tgt_msg_runner,
'instance_update_at_top')
self.mox.StubOutWithMock(self.tgt_msg_runner,
'instance_destroy_at_top')
self.mox.StubOutWithMock(timeutils, 'parse_isotime')
self.mox.StubOutWithMock(cells_utils, 'get_instances_to_sync')
# Middle cell.
timeutils.parse_isotime(updated_since_raw).AndReturn(
updated_since_parsed)
cells_utils.get_instances_to_sync(self.ctxt,
updated_since=updated_since_parsed,
project_id=project_id,
deleted=deleted).AndReturn([])
# Bottom/Target cell
timeutils.parse_isotime(updated_since_raw).AndReturn(
updated_since_parsed)
cells_utils.get_instances_to_sync(self.ctxt,
updated_since=updated_since_parsed,
project_id=project_id,
deleted=deleted).AndReturn(fake_instances)
self.tgt_msg_runner.instance_update_at_top(self.ctxt, instance1)
self.tgt_msg_runner.instance_destroy_at_top(self.ctxt, instance2)
self.mox.ReplayAll()
self.src_msg_runner.sync_instances(self.ctxt,
project_id, updated_since_raw, deleted)
def test_service_get_all_with_disabled(self):
# Reset this, as this is a broadcast down.
self._setup_attrs(up=False)
ctxt = self.ctxt.elevated()
self.mox.StubOutWithMock(objects.ServiceList, 'get_all')
# Calls are made from grandchild-cell to api-cell
objects.ServiceList.get_all(
mox.IgnoreArg(), disabled=None).AndReturn([4, 5])
objects.ServiceList.get_all(
mox.IgnoreArg(), disabled=None).AndReturn([3])
objects.ServiceList.get_all(
mox.IgnoreArg(), disabled=None).AndReturn([1, 2])
self.mox.ReplayAll()
responses = self.src_msg_runner.service_get_all(ctxt,
filters={})
response_values = [(resp.cell_name, resp.value_or_raise())
for resp in responses]
expected = [('api-cell!child-cell2!grandchild-cell1', [4, 5]),
('api-cell!child-cell2', [3]),
('api-cell', [1, 2])]
self.assertEqual(expected, response_values)
def test_service_get_all_without_disabled(self):
# Reset this, as this is a broadcast down.
self._setup_attrs(up=False)
disabled = False
filters = {'disabled': disabled}
ctxt = self.ctxt.elevated()
self.mox.StubOutWithMock(objects.ServiceList, 'get_all')
# Calls are made from grandchild-cell to api-cell
objects.ServiceList.get_all(
mox.IgnoreArg(), disabled=disabled).AndReturn([4, 5])
objects.ServiceList.get_all(
mox.IgnoreArg(), disabled=disabled).AndReturn([3])
objects.ServiceList.get_all(
mox.IgnoreArg(), disabled=disabled).AndReturn([1, 2])
self.mox.ReplayAll()
responses = self.src_msg_runner.service_get_all(ctxt,
filters=filters)
response_values = [(resp.cell_name, resp.value_or_raise())
for resp in responses]
expected = [('api-cell!child-cell2!grandchild-cell1', [4, 5]),
('api-cell!child-cell2', [3]),
('api-cell', [1, 2])]
self.assertEqual(expected, response_values)
def test_task_log_get_all_broadcast(self):
# Reset this, as this is a broadcast down.
self._setup_attrs(up=False)
task_name = 'fake_task_name'
begin = 'fake_begin'
end = 'fake_end'
host = 'fake_host'
state = 'fake_state'
ctxt = self.ctxt.elevated()
self.mox.StubOutWithMock(self.src_db_inst, 'task_log_get_all')
self.mox.StubOutWithMock(self.mid_db_inst, 'task_log_get_all')
self.mox.StubOutWithMock(self.tgt_db_inst, 'task_log_get_all')
self.src_db_inst.task_log_get_all(ctxt, task_name,
begin, end, host=host, state=state).AndReturn([1, 2])
self.mid_db_inst.task_log_get_all(ctxt, task_name,
begin, end, host=host, state=state).AndReturn([3])
self.tgt_db_inst.task_log_get_all(ctxt, task_name,
begin, end, host=host, state=state).AndReturn([4, 5])
self.mox.ReplayAll()
responses = self.src_msg_runner.task_log_get_all(ctxt, None,
task_name, begin, end, host=host, state=state)
response_values = [(resp.cell_name, resp.value_or_raise())
for resp in responses]
expected = [('api-cell!child-cell2!grandchild-cell1', [4, 5]),
('api-cell!child-cell2', [3]),
('api-cell', [1, 2])]
self.assertEqual(expected, response_values)
def test_compute_node_get_all(self):
# Reset this, as this is a broadcast down.
self._setup_attrs(up=False)
ctxt = self.ctxt.elevated()
self.mox.StubOutWithMock(objects.ComputeNodeList, 'get_all')
# Calls are made from grandchild-cell to api-cell
objects.ComputeNodeList.get_all(mox.IgnoreArg()).AndReturn([4, 5])
objects.ComputeNodeList.get_all(mox.IgnoreArg()).AndReturn([3])
objects.ComputeNodeList.get_all(mox.IgnoreArg()).AndReturn([1, 2])
self.mox.ReplayAll()
responses = self.src_msg_runner.compute_node_get_all(ctxt)
response_values = [(resp.cell_name, resp.value_or_raise())
for resp in responses]
expected = [('api-cell!child-cell2!grandchild-cell1', [4, 5]),
('api-cell!child-cell2', [3]),
('api-cell', [1, 2])]
self.assertEqual(expected, response_values)
def test_compute_node_get_all_with_hyp_match(self):
# Reset this, as this is a broadcast down.
self._setup_attrs(up=False)
hypervisor_match = 'meow'
ctxt = self.ctxt.elevated()
self.mox.StubOutWithMock(objects.ComputeNodeList, 'get_by_hypervisor')
# Calls are made from grandchild-cell to api-cell
objects.ComputeNodeList.get_by_hypervisor(
ctxt, hypervisor_match).AndReturn([4, 5])
objects.ComputeNodeList.get_by_hypervisor(
ctxt, hypervisor_match).AndReturn([3])
objects.ComputeNodeList.get_by_hypervisor(
ctxt, hypervisor_match).AndReturn([1, 2])
self.mox.ReplayAll()
responses = self.src_msg_runner.compute_node_get_all(ctxt,
hypervisor_match=hypervisor_match)
response_values = [(resp.cell_name, resp.value_or_raise())
for resp in responses]
expected = [('api-cell!child-cell2!grandchild-cell1', [4, 5]),
('api-cell!child-cell2', [3]),
('api-cell', [1, 2])]
self.assertEqual(expected, response_values)
def test_compute_node_stats(self):
# Reset this, as this is a broadcast down.
self._setup_attrs(up=False)
ctxt = self.ctxt.elevated()
self.mox.StubOutWithMock(self.src_db_inst,
'compute_node_statistics')
self.mox.StubOutWithMock(self.mid_db_inst,
'compute_node_statistics')
self.mox.StubOutWithMock(self.tgt_db_inst,
'compute_node_statistics')
self.src_db_inst.compute_node_statistics(ctxt).AndReturn([1, 2])
self.mid_db_inst.compute_node_statistics(ctxt).AndReturn([3])
self.tgt_db_inst.compute_node_statistics(ctxt).AndReturn([4, 5])
self.mox.ReplayAll()
responses = self.src_msg_runner.compute_node_stats(ctxt)
response_values = [(resp.cell_name, resp.value_or_raise())
for resp in responses]
expected = [('api-cell!child-cell2!grandchild-cell1', [4, 5]),
('api-cell!child-cell2', [3]),
('api-cell', [1, 2])]
self.assertEqual(expected, response_values)
def test_consoleauth_delete_tokens(self):
fake_uuid = 'fake-instance-uuid'
# To show these should not be called in src/mid-level cell
self.mox.StubOutWithMock(self.src_ca_rpcapi,
'delete_tokens_for_instance')
self.mox.StubOutWithMock(self.mid_ca_rpcapi,
'delete_tokens_for_instance')
self.mox.StubOutWithMock(self.tgt_ca_rpcapi,
'delete_tokens_for_instance')
self.tgt_ca_rpcapi.delete_tokens_for_instance(self.ctxt, fake_uuid)
self.mox.ReplayAll()
self.src_msg_runner.consoleauth_delete_tokens(self.ctxt, fake_uuid)
def test_bdm_update_or_create_with_none_create(self):
fake_bdm = {'id': 'fake_id',
'volume_id': 'fake_volume_id'}
expected_bdm = fake_bdm.copy()
expected_bdm.pop('id')
# Shouldn't be called for these 2 cells
self.mox.StubOutWithMock(self.src_db_inst,
'block_device_mapping_update_or_create')
self.mox.StubOutWithMock(self.mid_db_inst,
'block_device_mapping_update_or_create')
self.mox.StubOutWithMock(self.tgt_db_inst,
'block_device_mapping_update_or_create')
self.tgt_db_inst.block_device_mapping_update_or_create(
self.ctxt, expected_bdm, legacy=False)
self.mox.ReplayAll()
self.src_msg_runner.bdm_update_or_create_at_top(self.ctxt,
fake_bdm,
create=None)
def test_bdm_update_or_create_with_true_create(self):
fake_bdm = {'id': 'fake_id',
'volume_id': 'fake_volume_id'}
expected_bdm = fake_bdm.copy()
expected_bdm.pop('id')
# Shouldn't be called for these 2 cells
self.mox.StubOutWithMock(self.src_db_inst,
'block_device_mapping_create')
self.mox.StubOutWithMock(self.mid_db_inst,
'block_device_mapping_create')
self.mox.StubOutWithMock(self.tgt_db_inst,
'block_device_mapping_create')
self.tgt_db_inst.block_device_mapping_create(
self.ctxt, fake_bdm, legacy=False)
self.mox.ReplayAll()
self.src_msg_runner.bdm_update_or_create_at_top(self.ctxt,
fake_bdm,
create=True)
def test_bdm_update_or_create_with_false_create_vol_id(self):
fake_bdm = {'id': 'fake_id',
'instance_uuid': uuids.instance,
'device_name': 'fake_device_name',
'volume_id': 'fake_volume_id'}
expected_bdm = fake_bdm.copy()
expected_bdm.pop('id')
fake_inst_bdms = [{'id': 1,
'volume_id': 'not-a-match',
'device_name': 'not-a-match'},
{'id': 2,
'volume_id': 'fake_volume_id',
'device_name': 'not-a-match'},
{'id': 3,
'volume_id': 'not-a-match',
'device_name': 'not-a-match'}]
# Shouldn't be called for these 2 cells
self.mox.StubOutWithMock(self.src_db_inst,
'block_device_mapping_update')
self.mox.StubOutWithMock(self.mid_db_inst,
'block_device_mapping_update')
self.mox.StubOutWithMock(self.tgt_db_inst,
'block_device_mapping_get_all_by_instance')
self.mox.StubOutWithMock(self.tgt_db_inst,
'block_device_mapping_update')
self.tgt_db_inst.block_device_mapping_get_all_by_instance(
self.ctxt, uuids.instance).AndReturn(
fake_inst_bdms)
# Should try to update ID 2.
self.tgt_db_inst.block_device_mapping_update(
self.ctxt, 2, expected_bdm, legacy=False)
self.mox.ReplayAll()
self.src_msg_runner.bdm_update_or_create_at_top(self.ctxt,
fake_bdm,
create=False)
def test_bdm_update_or_create_with_false_create_dev_name(self):
fake_bdm = {'id': 'fake_id',
'instance_uuid': uuids.instance,
'device_name': 'fake_device_name',
'volume_id': 'fake_volume_id'}
expected_bdm = fake_bdm.copy()
expected_bdm.pop('id')
fake_inst_bdms = [{'id': 1,
'volume_id': 'not-a-match',
'device_name': 'not-a-match'},
{'id': 2,
'volume_id': 'not-a-match',
'device_name': 'fake_device_name'},
{'id': 3,
'volume_id': 'not-a-match',
'device_name': 'not-a-match'}]
# Shouldn't be called for these 2 cells
self.mox.StubOutWithMock(self.src_db_inst,
'block_device_mapping_update')
self.mox.StubOutWithMock(self.mid_db_inst,
'block_device_mapping_update')
self.mox.StubOutWithMock(self.tgt_db_inst,
'block_device_mapping_get_all_by_instance')
self.mox.StubOutWithMock(self.tgt_db_inst,
'block_device_mapping_update')
self.tgt_db_inst.block_device_mapping_get_all_by_instance(
self.ctxt, uuids.instance).AndReturn(
fake_inst_bdms)
# Should try to update ID 2.
self.tgt_db_inst.block_device_mapping_update(
self.ctxt, 2, expected_bdm, legacy=False)
self.mox.ReplayAll()
self.src_msg_runner.bdm_update_or_create_at_top(self.ctxt,
fake_bdm,
create=False)
def test_bdm_destroy_by_volume(self):
fake_instance_uuid = uuids.instance
fake_volume_id = 'fake-volume-name'
# Shouldn't be called for these 2 cells
self.mox.StubOutWithMock(self.src_db_inst,
'block_device_mapping_destroy_by_instance_and_volume')
self.mox.StubOutWithMock(self.mid_db_inst,
'block_device_mapping_destroy_by_instance_and_volume')
self.mox.StubOutWithMock(self.tgt_db_inst,
'block_device_mapping_destroy_by_instance_and_volume')
self.tgt_db_inst.block_device_mapping_destroy_by_instance_and_volume(
self.ctxt, fake_instance_uuid, fake_volume_id)
self.mox.ReplayAll()
self.src_msg_runner.bdm_destroy_at_top(self.ctxt, fake_instance_uuid,
volume_id=fake_volume_id)
def test_bdm_destroy_by_device(self):
fake_instance_uuid = uuids.instance
fake_device_name = 'fake-device-name'
# Shouldn't be called for these 2 cells
self.mox.StubOutWithMock(self.src_db_inst,
'block_device_mapping_destroy_by_instance_and_device')
self.mox.StubOutWithMock(self.mid_db_inst,
'block_device_mapping_destroy_by_instance_and_device')
self.mox.StubOutWithMock(self.tgt_db_inst,
'block_device_mapping_destroy_by_instance_and_device')
self.tgt_db_inst.block_device_mapping_destroy_by_instance_and_device(
self.ctxt, fake_instance_uuid, fake_device_name)
self.mox.ReplayAll()
self.src_msg_runner.bdm_destroy_at_top(self.ctxt, fake_instance_uuid,
device_name=fake_device_name)
def test_get_migrations(self):
self._setup_attrs(up=False)
filters = {'status': 'confirmed'}
migrations_from_cell1 = [{'id': 123}]
migrations_from_cell2 = [{'id': 456}]
self.mox.StubOutWithMock(self.mid_compute_api,
'get_migrations')
self.mid_compute_api.get_migrations(self.ctxt, filters).\
AndReturn(migrations_from_cell1)
self.mox.StubOutWithMock(self.tgt_compute_api,
'get_migrations')
self.tgt_compute_api.get_migrations(self.ctxt, filters).\
AndReturn(migrations_from_cell2)
self.mox.ReplayAll()
responses = self.src_msg_runner.get_migrations(
self.ctxt,
None, False, filters)
self.assertEqual(2, len(responses))
for response in responses:
self.assertIn(response.value_or_raise(), [migrations_from_cell1,
migrations_from_cell2])
@mock.patch.object(objects.KeyPair, 'get_by_name',
return_value='fake_keypair')
def test_get_keypair_at_top(self, fake_get_by_name):
user_id = 'fake_user_id'
name = 'fake_keypair_name'
responses = self.src_msg_runner.get_keypair_at_top(self.ctxt,
user_id, name)
fake_get_by_name.assert_called_once_with(self.ctxt, user_id, name)
for response in responses:
if response.value is not None:
self.assertEqual('fake_keypair', response.value)
@mock.patch.object(objects.KeyPair, 'get_by_name')
def test_get_keypair_at_top_with_objects_exception(self, fake_get_by_name):
user_id = 'fake_user_id'
name = 'fake_keypair_name'
keypair_exception = exception.KeypairNotFound(user_id=user_id,
name=name)
fake_get_by_name.side_effect = keypair_exception
responses = self.src_msg_runner.get_keypair_at_top(self.ctxt,
user_id,
name)
fake_get_by_name.assert_called_once_with(self.ctxt, user_id, name)
for response in responses:
self.assertIsNone(response.value)
@mock.patch.object(messaging._BroadcastMessage, 'process')
def test_get_keypair_at_top_with_process_response(self, fake_process):
user_id = 'fake_user_id'
name = 'fake_keypair_name'
response = messaging.Response(self.ctxt, 'cell', 'keypair', False)
other_response = messaging.Response(self.ctxt, 'cell',
'fake_other_keypair', False)
fake_process.return_value = [response, other_response]
responses = self.src_msg_runner.get_keypair_at_top(self.ctxt,
user_id, name)
fake_process.assert_called_once_with()
self.assertEqual(fake_process.return_value, responses)
class CellsPublicInterfacesTestCase(test.NoDBTestCase):
"""Test case for the public interfaces into cells messaging."""
def setUp(self):
super(CellsPublicInterfacesTestCase, self).setUp()
fakes.init(self)
self.ctxt = context.RequestContext('fake', 'fake')
self.our_name = 'api-cell'
self.msg_runner = fakes.get_message_runner(self.our_name)
self.state_manager = self.msg_runner.state_manager
@mock.patch.object(messaging, '_TargetedMessage')
def test_resize_instance(self, mock_message):
instance = objects.Instance(cell_name='api-cell!child-cell')
flavor = 'fake'
extra_instance_updates = {'fake': 'fake'}
clean_shutdown = True
self.msg_runner.resize_instance(self.ctxt, instance, flavor,
extra_instance_updates,
clean_shutdown=clean_shutdown)
extra_kwargs = dict(flavor=flavor,
extra_instance_updates=extra_instance_updates,
clean_shutdown=clean_shutdown)
method_kwargs = {'instance': instance}
method_kwargs.update(extra_kwargs)
mock_message.assert_called_once_with(self.msg_runner, self.ctxt,
'resize_instance',
method_kwargs, 'down',
instance.cell_name,
need_response=False)