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trilio-internal / idna python
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# Copyright 2011 OpenStack Foundation
# 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 miscellaneous util methods used with compute."""
import copy
import string
import uuid
import mock
from oslo_serialization import jsonutils
from oslo_utils import importutils
import six
from nova.compute import flavors
from nova.compute import power_state
from nova.compute import task_states
from nova.compute import utils as compute_utils
import nova.conf
from nova import context
from nova import exception
from nova.image import glance
from nova.network import api as network_api
from nova.network import model
from nova import objects
from nova.objects import base
from nova.objects import block_device as block_device_obj
from nova import rpc
from nova import test
from nova.tests.unit import fake_block_device
from nova.tests.unit import fake_instance
from nova.tests.unit import fake_network
from nova.tests.unit import fake_notifier
from nova.tests.unit import fake_server_actions
import nova.tests.unit.image.fake
from nova.tests.unit.objects import test_flavor
from nova.tests import uuidsentinel as uuids
CONF = nova.conf.CONF
FAKE_IMAGE_REF = uuids.image_ref
def create_instance(context, user_id='fake', project_id='fake', params=None):
"""Create a test instance."""
flavor = flavors.get_flavor_by_name('m1.tiny')
net_info = model.NetworkInfo([])
info_cache = objects.InstanceInfoCache(network_info=net_info)
inst = objects.Instance(context=context,
image_ref=uuids.fake_image_ref,
reservation_id='r-fakeres',
user_id=user_id,
project_id=project_id,
instance_type_id=flavor.id,
flavor=flavor,
old_flavor=None,
new_flavor=None,
system_metadata={},
ami_launch_index=0,
root_gb=0,
ephemeral_gb=0,
info_cache=info_cache)
if params:
inst.update(params)
inst.create()
return inst
class ComputeValidateDeviceTestCase(test.NoDBTestCase):
def setUp(self):
super(ComputeValidateDeviceTestCase, self).setUp()
self.context = context.RequestContext('fake', 'fake')
# check if test name includes "xen"
if 'xen' in self.id():
self.flags(compute_driver='xenapi.XenAPIDriver')
self.instance = objects.Instance(uuid=uuid.uuid4().hex,
root_device_name=None,
default_ephemeral_device=None)
else:
self.instance = objects.Instance(uuid=uuid.uuid4().hex,
root_device_name='/dev/vda',
default_ephemeral_device='/dev/vdb')
flavor = objects.Flavor(**test_flavor.fake_flavor)
self.instance.system_metadata = {}
self.instance.flavor = flavor
self.instance.default_swap_device = None
self.data = []
def _validate_device(self, device=None):
bdms = base.obj_make_list(self.context,
objects.BlockDeviceMappingList(), objects.BlockDeviceMapping,
self.data)
return compute_utils.get_device_name_for_instance(
self.instance, bdms, device)
@staticmethod
def _fake_bdm(device):
return fake_block_device.FakeDbBlockDeviceDict({
'source_type': 'volume',
'destination_type': 'volume',
'device_name': device,
'no_device': None,
'volume_id': 'fake',
'snapshot_id': None,
'guest_format': None
})
def test_wrap(self):
self.data = []
for letter in string.ascii_lowercase[2:]:
self.data.append(self._fake_bdm('/dev/vd' + letter))
device = self._validate_device()
self.assertEqual(device, '/dev/vdaa')
def test_wrap_plus_one(self):
self.data = []
for letter in string.ascii_lowercase[2:]:
self.data.append(self._fake_bdm('/dev/vd' + letter))
self.data.append(self._fake_bdm('/dev/vdaa'))
device = self._validate_device()
self.assertEqual(device, '/dev/vdab')
def test_later(self):
self.data = [
self._fake_bdm('/dev/vdc'),
self._fake_bdm('/dev/vdd'),
self._fake_bdm('/dev/vde'),
]
device = self._validate_device()
self.assertEqual(device, '/dev/vdf')
def test_gap(self):
self.data = [
self._fake_bdm('/dev/vdc'),
self._fake_bdm('/dev/vde'),
]
device = self._validate_device()
self.assertEqual(device, '/dev/vdd')
def test_no_bdms(self):
self.data = []
device = self._validate_device()
self.assertEqual(device, '/dev/vdc')
def test_lxc_names_work(self):
self.instance['root_device_name'] = '/dev/a'
self.instance['ephemeral_device_name'] = '/dev/b'
self.data = []
device = self._validate_device()
self.assertEqual(device, '/dev/c')
def test_name_conversion(self):
self.data = []
device = self._validate_device('/dev/c')
self.assertEqual(device, '/dev/vdc')
device = self._validate_device('/dev/sdc')
self.assertEqual(device, '/dev/vdc')
device = self._validate_device('/dev/xvdc')
self.assertEqual(device, '/dev/vdc')
def test_invalid_device_prefix(self):
self.assertRaises(exception.InvalidDevicePath,
self._validate_device, '/baddata/vdc')
def test_device_in_use(self):
exc = self.assertRaises(exception.DevicePathInUse,
self._validate_device, '/dev/vda')
self.assertIn('/dev/vda', six.text_type(exc))
def test_swap(self):
self.instance['default_swap_device'] = "/dev/vdc"
device = self._validate_device()
self.assertEqual(device, '/dev/vdd')
def test_swap_no_ephemeral(self):
self.instance.default_ephemeral_device = None
self.instance.default_swap_device = "/dev/vdb"
device = self._validate_device()
self.assertEqual(device, '/dev/vdc')
def test_ephemeral_xenapi(self):
self.instance.flavor.ephemeral_gb = 10
self.instance.flavor.swap = 0
device = self._validate_device()
self.assertEqual(device, '/dev/xvdc')
def test_swap_xenapi(self):
self.instance.flavor.ephemeral_gb = 0
self.instance.flavor.swap = 10
device = self._validate_device()
self.assertEqual(device, '/dev/xvdb')
def test_swap_and_ephemeral_xenapi(self):
self.instance.flavor.ephemeral_gb = 10
self.instance.flavor.swap = 10
device = self._validate_device()
self.assertEqual(device, '/dev/xvdd')
def test_swap_and_one_attachment_xenapi(self):
self.instance.flavor.ephemeral_gb = 0
self.instance.flavor.swap = 10
device = self._validate_device()
self.assertEqual(device, '/dev/xvdb')
self.data.append(self._fake_bdm(device))
device = self._validate_device()
self.assertEqual(device, '/dev/xvdd')
def test_no_dev_root_device_name_get_next_name(self):
self.instance['root_device_name'] = 'vda'
device = self._validate_device()
self.assertEqual('/dev/vdc', device)
class DefaultDeviceNamesForInstanceTestCase(test.NoDBTestCase):
def setUp(self):
super(DefaultDeviceNamesForInstanceTestCase, self).setUp()
self.context = context.RequestContext('fake', 'fake')
self.ephemerals = block_device_obj.block_device_make_list(
self.context,
[fake_block_device.FakeDbBlockDeviceDict(
{'id': 1,
'instance_uuid': uuids.block_device_instance,
'device_name': '/dev/vdb',
'source_type': 'blank',
'destination_type': 'local',
'delete_on_termination': True,
'guest_format': None,
'boot_index': -1})])
self.swap = block_device_obj.block_device_make_list(
self.context,
[fake_block_device.FakeDbBlockDeviceDict(
{'id': 2,
'instance_uuid': uuids.block_device_instance,
'device_name': '/dev/vdc',
'source_type': 'blank',
'destination_type': 'local',
'delete_on_termination': True,
'guest_format': 'swap',
'boot_index': -1})])
self.block_device_mapping = block_device_obj.block_device_make_list(
self.context,
[fake_block_device.FakeDbBlockDeviceDict(
{'id': 3,
'instance_uuid': uuids.block_device_instance,
'device_name': '/dev/vda',
'source_type': 'volume',
'destination_type': 'volume',
'volume_id': 'fake-volume-id-1',
'boot_index': 0}),
fake_block_device.FakeDbBlockDeviceDict(
{'id': 4,
'instance_uuid': uuids.block_device_instance,
'device_name': '/dev/vdd',
'source_type': 'snapshot',
'destination_type': 'volume',
'snapshot_id': 'fake-snapshot-id-1',
'boot_index': -1}),
fake_block_device.FakeDbBlockDeviceDict(
{'id': 5,
'instance_uuid': uuids.block_device_instance,
'device_name': '/dev/vde',
'source_type': 'blank',
'destination_type': 'volume',
'boot_index': -1})])
self.instance = {'uuid': uuids.instance,
'ephemeral_gb': 2}
self.is_libvirt = False
self.root_device_name = '/dev/vda'
self.update_called = False
self.patchers = []
self.patchers.append(
mock.patch.object(objects.BlockDeviceMapping, 'save'))
for patcher in self.patchers:
patcher.start()
def tearDown(self):
super(DefaultDeviceNamesForInstanceTestCase, self).tearDown()
for patcher in self.patchers:
patcher.stop()
def _test_default_device_names(self, *block_device_lists):
compute_utils.default_device_names_for_instance(self.instance,
self.root_device_name,
*block_device_lists)
def test_only_block_device_mapping(self):
# Test no-op
original_bdm = copy.deepcopy(self.block_device_mapping)
self._test_default_device_names([], [], self.block_device_mapping)
for original, new in zip(original_bdm, self.block_device_mapping):
self.assertEqual(original.device_name, new.device_name)
# Assert it defaults the missing one as expected
self.block_device_mapping[1]['device_name'] = None
self.block_device_mapping[2]['device_name'] = None
self._test_default_device_names([], [], self.block_device_mapping)
self.assertEqual('/dev/vdb',
self.block_device_mapping[1]['device_name'])
self.assertEqual('/dev/vdc',
self.block_device_mapping[2]['device_name'])
def test_with_ephemerals(self):
# Test ephemeral gets assigned
self.ephemerals[0]['device_name'] = None
self._test_default_device_names(self.ephemerals, [],
self.block_device_mapping)
self.assertEqual(self.ephemerals[0]['device_name'], '/dev/vdb')
self.block_device_mapping[1]['device_name'] = None
self.block_device_mapping[2]['device_name'] = None
self._test_default_device_names(self.ephemerals, [],
self.block_device_mapping)
self.assertEqual('/dev/vdc',
self.block_device_mapping[1]['device_name'])
self.assertEqual('/dev/vdd',
self.block_device_mapping[2]['device_name'])
def test_with_swap(self):
# Test swap only
self.swap[0]['device_name'] = None
self._test_default_device_names([], self.swap, [])
self.assertEqual(self.swap[0]['device_name'], '/dev/vdb')
# Test swap and block_device_mapping
self.swap[0]['device_name'] = None
self.block_device_mapping[1]['device_name'] = None
self.block_device_mapping[2]['device_name'] = None
self._test_default_device_names([], self.swap,
self.block_device_mapping)
self.assertEqual(self.swap[0]['device_name'], '/dev/vdb')
self.assertEqual('/dev/vdc',
self.block_device_mapping[1]['device_name'])
self.assertEqual('/dev/vdd',
self.block_device_mapping[2]['device_name'])
def test_all_together(self):
# Test swap missing
self.swap[0]['device_name'] = None
self._test_default_device_names(self.ephemerals,
self.swap, self.block_device_mapping)
self.assertEqual(self.swap[0]['device_name'], '/dev/vdc')
# Test swap and eph missing
self.swap[0]['device_name'] = None
self.ephemerals[0]['device_name'] = None
self._test_default_device_names(self.ephemerals,
self.swap, self.block_device_mapping)
self.assertEqual(self.ephemerals[0]['device_name'], '/dev/vdb')
self.assertEqual(self.swap[0]['device_name'], '/dev/vdc')
# Test all missing
self.swap[0]['device_name'] = None
self.ephemerals[0]['device_name'] = None
self.block_device_mapping[1]['device_name'] = None
self.block_device_mapping[2]['device_name'] = None
self._test_default_device_names(self.ephemerals,
self.swap, self.block_device_mapping)
self.assertEqual(self.ephemerals[0]['device_name'], '/dev/vdb')
self.assertEqual(self.swap[0]['device_name'], '/dev/vdc')
self.assertEqual('/dev/vdd',
self.block_device_mapping[1]['device_name'])
self.assertEqual('/dev/vde',
self.block_device_mapping[2]['device_name'])
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, 1, 1)
super(UsageInfoTestCase, self).setUp()
self.stubs.Set(network_api.API, 'get_instance_nw_info',
fake_get_nw_info)
fake_notifier.stub_notifier(self)
self.addCleanup(fake_notifier.reset)
self.flags(use_local=True, group='conductor')
self.flags(compute_driver='fake.FakeDriver',
network_manager='nova.network.manager.FlatManager')
self.compute = importutils.import_object(CONF.compute_manager)
self.user_id = 'fake'
self.project_id = 'fake'
self.context = context.RequestContext(self.user_id, self.project_id)
def fake_show(meh, context, id, **kwargs):
return {'id': 1, 'properties': {'kernel_id': 1, 'ramdisk_id': 1}}
self.flags(group='glance', api_servers=['http://localhost:9292'])
self.stubs.Set(nova.tests.unit.image.fake._FakeImageService,
'show', fake_show)
fake_network.set_stub_network_methods(self)
fake_server_actions.stub_out_action_events(self)
def test_notify_usage_exists(self):
# Ensure 'exists' notification generates appropriate usage data.
instance = create_instance(self.context)
# Set some system metadata
sys_metadata = {'image_md_key1': 'val1',
'image_md_key2': 'val2',
'other_data': 'meow'}
instance.system_metadata.update(sys_metadata)
instance.save()
compute_utils.notify_usage_exists(
rpc.get_notifier('compute'), self.context, instance)
self.assertEqual(len(fake_notifier.NOTIFICATIONS), 1)
msg = fake_notifier.NOTIFICATIONS[0]
self.assertEqual(msg.priority, 'INFO')
self.assertEqual(msg.event_type, 'compute.instance.exists')
payload = msg.payload
self.assertEqual(payload['tenant_id'], self.project_id)
self.assertEqual(payload['user_id'], self.user_id)
self.assertEqual(payload['instance_id'], instance['uuid'])
self.assertEqual(payload['instance_type'], 'm1.tiny')
type_id = flavors.get_flavor_by_name('m1.tiny')['id']
self.assertEqual(str(payload['instance_type_id']), str(type_id))
flavor_id = flavors.get_flavor_by_name('m1.tiny')['flavorid']
self.assertEqual(str(payload['instance_flavor_id']), str(flavor_id))
for attr in ('display_name', 'created_at', 'launched_at',
'state', 'state_description',
'bandwidth', 'audit_period_beginning',
'audit_period_ending', 'image_meta'):
self.assertIn(attr, payload,
"Key %s not in payload" % attr)
self.assertEqual(payload['image_meta'],
{'md_key1': 'val1', 'md_key2': 'val2'})
image_ref_url = "%s/images/%s" % (glance.generate_glance_url(),
uuids.fake_image_ref)
self.assertEqual(payload['image_ref_url'], image_ref_url)
self.compute.terminate_instance(self.context, instance, [], [])
def test_notify_usage_exists_deleted_instance(self):
# Ensure 'exists' notification generates appropriate usage data.
instance = create_instance(self.context)
# Set some system metadata
sys_metadata = {'image_md_key1': 'val1',
'image_md_key2': 'val2',
'other_data': 'meow'}
instance.system_metadata.update(sys_metadata)
instance.save()
self.compute.terminate_instance(self.context, instance, [], [])
compute_utils.notify_usage_exists(
rpc.get_notifier('compute'), self.context, instance)
msg = fake_notifier.NOTIFICATIONS[-1]
self.assertEqual(msg.priority, 'INFO')
self.assertEqual(msg.event_type, 'compute.instance.exists')
payload = msg.payload
self.assertEqual(payload['tenant_id'], self.project_id)
self.assertEqual(payload['user_id'], self.user_id)
self.assertEqual(payload['instance_id'], instance['uuid'])
self.assertEqual(payload['instance_type'], 'm1.tiny')
type_id = flavors.get_flavor_by_name('m1.tiny')['id']
self.assertEqual(str(payload['instance_type_id']), str(type_id))
flavor_id = flavors.get_flavor_by_name('m1.tiny')['flavorid']
self.assertEqual(str(payload['instance_flavor_id']), str(flavor_id))
for attr in ('display_name', 'created_at', 'launched_at',
'state', 'state_description',
'bandwidth', 'audit_period_beginning',
'audit_period_ending', 'image_meta'):
self.assertIn(attr, payload, "Key %s not in payload" % attr)
self.assertEqual(payload['image_meta'],
{'md_key1': 'val1', 'md_key2': 'val2'})
image_ref_url = "%s/images/%s" % (glance.generate_glance_url(),
uuids.fake_image_ref)
self.assertEqual(payload['image_ref_url'], image_ref_url)
def test_notify_about_instance_action(self):
instance = create_instance(self.context)
compute_utils.notify_about_instance_action(
self.context,
instance,
host='fake-compute',
action='delete',
phase='start')
self.assertEqual(len(fake_notifier.VERSIONED_NOTIFICATIONS), 1)
notification = fake_notifier.VERSIONED_NOTIFICATIONS[0]
self.assertEqual(notification['priority'], 'INFO')
self.assertEqual(notification['event_type'], 'instance.delete.start')
self.assertEqual(notification['publisher_id'],
'nova-compute:fake-compute')
payload = notification['payload']['nova_object.data']
self.assertEqual(payload['tenant_id'], self.project_id)
self.assertEqual(payload['user_id'], self.user_id)
self.assertEqual(payload['uuid'], instance['uuid'])
flavorid = flavors.get_flavor_by_name('m1.tiny')['flavorid']
flavor = payload['flavor']['nova_object.data']
self.assertEqual(str(flavor['flavorid']), flavorid)
for attr in ('display_name', 'created_at', 'launched_at',
'state', 'task_state'):
self.assertIn(attr, payload, "Key %s not in payload" % attr)
self.assertEqual(payload['image_uuid'], uuids.fake_image_ref)
def test_notify_usage_exists_instance_not_found(self):
# Ensure 'exists' notification generates appropriate usage data.
instance = create_instance(self.context)
self.compute.terminate_instance(self.context, instance, [], [])
compute_utils.notify_usage_exists(
rpc.get_notifier('compute'), self.context, instance)
msg = fake_notifier.NOTIFICATIONS[-1]
self.assertEqual(msg.priority, 'INFO')
self.assertEqual(msg.event_type, 'compute.instance.exists')
payload = msg.payload
self.assertEqual(payload['tenant_id'], self.project_id)
self.assertEqual(payload['user_id'], self.user_id)
self.assertEqual(payload['instance_id'], instance['uuid'])
self.assertEqual(payload['instance_type'], 'm1.tiny')
type_id = flavors.get_flavor_by_name('m1.tiny')['id']
self.assertEqual(str(payload['instance_type_id']), str(type_id))
flavor_id = flavors.get_flavor_by_name('m1.tiny')['flavorid']
self.assertEqual(str(payload['instance_flavor_id']), str(flavor_id))
for attr in ('display_name', 'created_at', 'launched_at',
'state', 'state_description',
'bandwidth', 'audit_period_beginning',
'audit_period_ending', 'image_meta'):
self.assertIn(attr, payload, "Key %s not in payload" % attr)
self.assertEqual(payload['image_meta'], {})
image_ref_url = "%s/images/%s" % (glance.generate_glance_url(),
uuids.fake_image_ref)
self.assertEqual(payload['image_ref_url'], image_ref_url)
def test_notify_about_instance_usage(self):
instance = create_instance(self.context)
# Set some system metadata
sys_metadata = {'image_md_key1': 'val1',
'image_md_key2': 'val2',
'other_data': 'meow'}
instance.system_metadata.update(sys_metadata)
instance.save()
extra_usage_info = {'image_name': 'fake_name'}
compute_utils.notify_about_instance_usage(
rpc.get_notifier('compute'),
self.context, instance, 'create.start',
extra_usage_info=extra_usage_info)
self.assertEqual(len(fake_notifier.NOTIFICATIONS), 1)
msg = fake_notifier.NOTIFICATIONS[0]
self.assertEqual(msg.priority, 'INFO')
self.assertEqual(msg.event_type, 'compute.instance.create.start')
payload = msg.payload
self.assertEqual(payload['tenant_id'], self.project_id)
self.assertEqual(payload['user_id'], self.user_id)
self.assertEqual(payload['instance_id'], instance['uuid'])
self.assertEqual(payload['instance_type'], 'm1.tiny')
type_id = flavors.get_flavor_by_name('m1.tiny')['id']
self.assertEqual(str(payload['instance_type_id']), str(type_id))
flavor_id = flavors.get_flavor_by_name('m1.tiny')['flavorid']
self.assertEqual(str(payload['instance_flavor_id']), str(flavor_id))
for attr in ('display_name', 'created_at', 'launched_at',
'state', 'state_description', 'image_meta'):
self.assertIn(attr, payload, "Key %s not in payload" % attr)
self.assertEqual(payload['image_meta'],
{'md_key1': 'val1', 'md_key2': 'val2'})
self.assertEqual(payload['image_name'], 'fake_name')
image_ref_url = "%s/images/%s" % (glance.generate_glance_url(),
uuids.fake_image_ref)
self.assertEqual(payload['image_ref_url'], image_ref_url)
self.compute.terminate_instance(self.context, instance, [], [])
def test_notify_about_aggregate_update_with_id(self):
# Set aggregate payload
aggregate_payload = {'aggregate_id': 1}
compute_utils.notify_about_aggregate_update(self.context,
"create.end",
aggregate_payload)
self.assertEqual(len(fake_notifier.NOTIFICATIONS), 1)
msg = fake_notifier.NOTIFICATIONS[0]
self.assertEqual(msg.priority, 'INFO')
self.assertEqual(msg.event_type, 'aggregate.create.end')
payload = msg.payload
self.assertEqual(payload['aggregate_id'], 1)
def test_notify_about_aggregate_update_with_name(self):
# Set aggregate payload
aggregate_payload = {'name': 'fakegroup'}
compute_utils.notify_about_aggregate_update(self.context,
"create.start",
aggregate_payload)
self.assertEqual(len(fake_notifier.NOTIFICATIONS), 1)
msg = fake_notifier.NOTIFICATIONS[0]
self.assertEqual(msg.priority, 'INFO')
self.assertEqual(msg.event_type, 'aggregate.create.start')
payload = msg.payload
self.assertEqual(payload['name'], 'fakegroup')
def test_notify_about_aggregate_update_without_name_id(self):
# Set empty aggregate payload
aggregate_payload = {}
compute_utils.notify_about_aggregate_update(self.context,
"create.start",
aggregate_payload)
self.assertEqual(len(fake_notifier.NOTIFICATIONS), 0)
class ComputeUtilsGetValFromSysMetadata(test.NoDBTestCase):
def test_get_value_from_system_metadata(self):
instance = fake_instance.fake_instance_obj('fake-context')
system_meta = {'int_val': 1,
'int_string': '2',
'not_int': 'Nope'}
instance.system_metadata = system_meta
result = compute_utils.get_value_from_system_metadata(
instance, 'int_val', int, 0)
self.assertEqual(1, result)
result = compute_utils.get_value_from_system_metadata(
instance, 'int_string', int, 0)
self.assertEqual(2, result)
result = compute_utils.get_value_from_system_metadata(
instance, 'not_int', int, 0)
self.assertEqual(0, result)
class ComputeUtilsGetNWInfo(test.NoDBTestCase):
def test_instance_object_none_info_cache(self):
inst = fake_instance.fake_instance_obj('fake-context',
expected_attrs=['info_cache'])
self.assertIsNone(inst.info_cache)
result = compute_utils.get_nw_info_for_instance(inst)
self.assertEqual(jsonutils.dumps([]), result.json())
class ComputeUtilsGetRebootTypes(test.NoDBTestCase):
def setUp(self):
super(ComputeUtilsGetRebootTypes, self).setUp()
self.context = context.RequestContext('fake', 'fake')
def test_get_reboot_type_started_soft(self):
reboot_type = compute_utils.get_reboot_type(task_states.REBOOT_STARTED,
power_state.RUNNING)
self.assertEqual(reboot_type, 'SOFT')
def test_get_reboot_type_pending_soft(self):
reboot_type = compute_utils.get_reboot_type(task_states.REBOOT_PENDING,
power_state.RUNNING)
self.assertEqual(reboot_type, 'SOFT')
def test_get_reboot_type_hard(self):
reboot_type = compute_utils.get_reboot_type('foo', power_state.RUNNING)
self.assertEqual(reboot_type, 'HARD')
def test_get_reboot_not_running_hard(self):
reboot_type = compute_utils.get_reboot_type('foo', 'bar')
self.assertEqual(reboot_type, 'HARD')
class ComputeUtilsTestCase(test.NoDBTestCase):
def setUp(self):
super(ComputeUtilsTestCase, self).setUp()
self.compute = 'compute'
self.user_id = 'fake'
self.project_id = 'fake'
self.context = context.RequestContext(self.user_id,
self.project_id)
@mock.patch.object(objects.InstanceActionEvent, 'event_start')
@mock.patch.object(objects.InstanceActionEvent,
'event_finish_with_failure')
def test_wrap_instance_event(self, mock_finish, mock_start):
inst = {"uuid": uuids.instance}
@compute_utils.wrap_instance_event(prefix='compute')
def fake_event(self, context, instance):
pass
fake_event(self.compute, self.context, instance=inst)
self.assertTrue(mock_start.called)
self.assertTrue(mock_finish.called)
@mock.patch.object(objects.InstanceActionEvent, 'event_start')
@mock.patch.object(objects.InstanceActionEvent,
'event_finish_with_failure')
def test_wrap_instance_event_return(self, mock_finish, mock_start):
inst = {"uuid": uuids.instance}
@compute_utils.wrap_instance_event(prefix='compute')
def fake_event(self, context, instance):
return True
retval = fake_event(self.compute, self.context, instance=inst)
self.assertTrue(retval)
self.assertTrue(mock_start.called)
self.assertTrue(mock_finish.called)
@mock.patch.object(objects.InstanceActionEvent, 'event_start')
@mock.patch.object(objects.InstanceActionEvent,
'event_finish_with_failure')
def test_wrap_instance_event_log_exception(self, mock_finish, mock_start):
inst = {"uuid": uuids.instance}
@compute_utils.wrap_instance_event(prefix='compute')
def fake_event(self2, context, instance):
raise exception.NovaException()
self.assertRaises(exception.NovaException, fake_event,
self.compute, self.context, instance=inst)
self.assertTrue(mock_start.called)
self.assertTrue(mock_finish.called)
args, kwargs = mock_finish.call_args
self.assertIsInstance(kwargs['exc_val'], exception.NovaException)
@mock.patch('netifaces.interfaces')
def test_get_machine_ips_value_error(self, mock_interfaces):
# Tests that the utility method does not explode if netifaces raises
# a ValueError.
iface = mock.sentinel
mock_interfaces.return_value = [iface]
with mock.patch('netifaces.ifaddresses',
side_effect=ValueError) as mock_ifaddresses:
addresses = compute_utils.get_machine_ips()
self.assertEqual([], addresses)
mock_ifaddresses.assert_called_once_with(iface)
class ComputeUtilsQuotaDeltaTestCase(test.TestCase):
def setUp(self):
super(ComputeUtilsQuotaDeltaTestCase, self).setUp()
self.context = context.RequestContext('fake', 'fake')
def test_upsize_quota_delta(self):
old_flavor = flavors.get_flavor_by_name('m1.tiny')
new_flavor = flavors.get_flavor_by_name('m1.medium')
expected_deltas = {
'cores': new_flavor['vcpus'] - old_flavor['vcpus'],
'ram': new_flavor['memory_mb'] - old_flavor['memory_mb']
}
deltas = compute_utils.upsize_quota_delta(self.context, new_flavor,
old_flavor)
self.assertEqual(expected_deltas, deltas)
def test_downsize_quota_delta(self):
inst = create_instance(self.context, params=None)
inst.old_flavor = flavors.get_flavor_by_name('m1.medium')
inst.new_flavor = flavors.get_flavor_by_name('m1.tiny')
expected_deltas = {
'cores': (inst.new_flavor['vcpus'] -
inst.old_flavor['vcpus']),
'ram': (inst.new_flavor['memory_mb'] -
inst.old_flavor['memory_mb'])
}
deltas = compute_utils.downsize_quota_delta(self.context, inst)
self.assertEqual(expected_deltas, deltas)
def test_reverse_quota_delta(self):
inst = create_instance(self.context, params=None)
inst.old_flavor = flavors.get_flavor_by_name('m1.tiny')
inst.new_flavor = flavors.get_flavor_by_name('m1.medium')
expected_deltas = {
'cores': -1 * (inst.new_flavor['vcpus'] -
inst.old_flavor['vcpus']),
'ram': -1 * (inst.new_flavor['memory_mb'] -
inst.old_flavor['memory_mb'])
}
deltas = compute_utils.reverse_upsize_quota_delta(self.context, inst)
self.assertEqual(expected_deltas, deltas)
@mock.patch.object(objects.Quotas, 'reserve')
@mock.patch.object(objects.quotas, 'ids_from_instance')
def test_reserve_quota_delta(self, mock_ids_from_instance,
mock_reserve):
quotas = objects.Quotas(context=context)
inst = create_instance(self.context, params=None)
inst.old_flavor = flavors.get_flavor_by_name('m1.tiny')
inst.new_flavor = flavors.get_flavor_by_name('m1.medium')
mock_ids_from_instance.return_value = (inst.project_id, inst.user_id)
mock_reserve.return_value = quotas
deltas = compute_utils.upsize_quota_delta(self.context,
inst.new_flavor,
inst.old_flavor)
compute_utils.reserve_quota_delta(self.context, deltas, inst)
mock_reserve.assert_called_once_with(project_id=inst.project_id,
user_id=inst.user_id, **deltas)
class IsVolumeBackedInstanceTestCase(test.TestCase):
def setUp(self):
super(IsVolumeBackedInstanceTestCase, self).setUp()
self.user_id = 'fake'
self.project_id = 'fake'
self.context = context.RequestContext(self.user_id,
self.project_id)
def test_is_volume_backed_instance_no_bdm_no_image(self):
ctxt = self.context
instance = create_instance(ctxt, params={'image_ref': ''})
self.assertTrue(
compute_utils.is_volume_backed_instance(ctxt, instance, None))
def test_is_volume_backed_instance_empty_bdm_with_image(self):
ctxt = self.context
instance = create_instance(ctxt, params={
'root_device_name': 'vda',
'image_ref': FAKE_IMAGE_REF
})
self.assertFalse(
compute_utils.is_volume_backed_instance(
ctxt, instance,
block_device_obj.block_device_make_list(ctxt, [])))
def test_is_volume_backed_instance_bdm_volume_no_image(self):
ctxt = self.context
instance = create_instance(ctxt, params={
'root_device_name': 'vda',
'image_ref': ''
})
bdms = block_device_obj.block_device_make_list(ctxt,
[fake_block_device.FakeDbBlockDeviceDict(
{'source_type': 'volume',
'device_name': '/dev/vda',
'volume_id': uuids.volume_id,
'instance_uuid':
'f8000000-0000-0000-0000-000000000000',
'boot_index': 0,
'destination_type': 'volume'})])
self.assertTrue(
compute_utils.is_volume_backed_instance(ctxt, instance, bdms))
def test_is_volume_backed_instance_bdm_local_no_image(self):
# if the root device is local the instance is not volume backed, even
# if no image_ref is set.
ctxt = self.context
instance = create_instance(ctxt, params={
'root_device_name': 'vda',
'image_ref': ''
})
bdms = block_device_obj.block_device_make_list(ctxt,
[fake_block_device.FakeDbBlockDeviceDict(
{'source_type': 'volume',
'device_name': '/dev/vda',
'volume_id': uuids.volume_id,
'destination_type': 'local',
'instance_uuid': 'f8000000-0000-0000-0000-000000000000',
'boot_index': 0,
'snapshot_id': None}),
fake_block_device.FakeDbBlockDeviceDict(
{'source_type': 'volume',
'device_name': '/dev/vdb',
'instance_uuid': 'f8000000-0000-0000-0000-000000000000',
'boot_index': 1,
'destination_type': 'volume',
'volume_id': 'c2ec2156-d75e-11e2-985b-5254009297d6',
'snapshot_id': None})])
self.assertFalse(
compute_utils.is_volume_backed_instance(ctxt, instance, bdms))
def test_is_volume_backed_instance_bdm_volume_with_image(self):
ctxt = self.context
instance = create_instance(ctxt, params={
'root_device_name': 'vda',
'image_ref': FAKE_IMAGE_REF
})
bdms = block_device_obj.block_device_make_list(ctxt,
[fake_block_device.FakeDbBlockDeviceDict(
{'source_type': 'volume',
'device_name': '/dev/vda',
'volume_id': uuids.volume_id,
'boot_index': 0,
'destination_type': 'volume'})])
self.assertTrue(
compute_utils.is_volume_backed_instance(ctxt, instance, bdms))
def test_is_volume_backed_instance_bdm_snapshot(self):
ctxt = self.context
instance = create_instance(ctxt, params={
'root_device_name': 'vda'
})
bdms = block_device_obj.block_device_make_list(ctxt,
[fake_block_device.FakeDbBlockDeviceDict(
{'source_type': 'volume',
'device_name': '/dev/vda',
'snapshot_id': 'de8836ac-d75e-11e2-8271-5254009297d6',
'instance_uuid': 'f8000000-0000-0000-0000-000000000000',
'destination_type': 'volume',
'boot_index': 0,
'volume_id': None})])
self.assertTrue(
compute_utils.is_volume_backed_instance(ctxt, instance, bdms))
@mock.patch.object(objects.BlockDeviceMappingList, 'get_by_instance_uuid')
def test_is_volume_backed_instance_empty_bdm_by_uuid(self, mock_bdms):
ctxt = self.context
instance = create_instance(ctxt)
mock_bdms.return_value = block_device_obj.block_device_make_list(
ctxt, [])
self.assertFalse(
compute_utils.is_volume_backed_instance(ctxt, instance, None))
mock_bdms.assert_called_with(ctxt, instance.uuid)