def test_numa_topology_with_pci_fail(self, mock_get_by_instance):
dev_dict = {
'compute_node_id': 1,
'address': 'a',
'product_id': 'p',
'vendor_id': 'v',
'numa_node': 1,
'dev_type': 'type-PCI',
'parent_addr': 'a1',
'status': 'available'
}
dev_dict2 = {
'compute_node_id': 1,
'address': 'a',
'product_id': 'p',
'vendor_id': 'v',
'numa_node': 2,
'dev_type': 'type-PCI',
'parent_addr': 'a1',
'status': 'available'
}
self.tracker.new_pci_tracker()
self.tracker.pci_tracker._set_hvdevs([dev_dict, dev_dict2])
request = objects.InstancePCIRequest(count=2,
spec=[{
'vendor_id': 'v',
'product_id': 'p'
}])
requests = objects.InstancePCIRequests(requests=[request])
mock_get_by_instance.return_value = requests
huge_instance = objects.InstanceNUMATopology(cells=[
objects.InstanceNUMACell(id=1, cpuset=set([1, 2]), memory=512)
])
self.assertRaises(exception.ComputeResourcesUnavailable,
self._claim,
requests=requests,
numa_topology=huge_instance)
def test_obj_make_compatible(self):
topo_obj = objects.InstanceNUMACell(
cpuset=set(),
pcpuset=set([0, 1]),
cpuset_reserved=set([1, 2]),
cpu_policy=fields.CPUAllocationPolicy.MIXED,
)
versions = ovo_base.obj_tree_get_versions('InstanceNUMACell')
data = lambda x: x['nova_object.data']
primitive = data(
topo_obj.obj_to_primitive(target_version='1.6',
version_manifest=versions))
self.assertEqual(fields.CPUAllocationPolicy.MIXED,
primitive['cpu_policy'])
self.assertRaises(exception.ObjectActionError,
topo_obj.obj_to_primitive,
target_version='1.5',
version_manifest=versions)
# set this to something compatible with < 1.6 so we can keep testing
topo_obj.cpu_policy = fields.CPUAllocationPolicy.DEDICATED
primitive = data(
topo_obj.obj_to_primitive(target_version='1.5',
version_manifest=versions))
self.assertIn('pcpuset', primitive)
primitive = data(
topo_obj.obj_to_primitive(target_version='1.4',
version_manifest=versions))
self.assertNotIn('pcpuset', primitive)
self.assertEqual(set([0, 1]), set(primitive['cpuset']))
self.assertIn('cpuset_reserved', primitive)
primitive = data(
topo_obj.obj_to_primitive(target_version='1.3',
version_manifest=versions))
self.assertNotIn('cpuset_reserved', primitive)
def test_claim_fails_page_size_not_called(self):
instance_type = self._fake_instance_type()
instance = self._fake_instance()
# This topology cannot fit in self.compute_node
# (see _fake_compute_node())
numa_topology = objects.InstanceNUMATopology(cells=[
objects.InstanceNUMACell(
id=1, cpuset=set([1, 2, 3]), pcpuset=set(), memory=1024)
])
with test.nested(
mock.patch('nova.virt.hardware.numa_get_constraints',
return_value=numa_topology),
mock.patch(
'nova.compute.claims.MoveClaim._test_live_migration_page_size'
)) as (mock_test_numa, mock_test_page_size):
self.assertRaisesRegex(
exception.ComputeResourcesUnavailable,
'Requested instance NUMA topology', claims.MoveClaim,
self.context, instance, _NODENAME, instance_type, {},
self.tracker, self.compute_node, self.empty_requests,
objects.Migration(migration_type='live-migration'), None)
mock_test_page_size.assert_not_called()
def _test_core_bind(self, context, instance, resource_tracker):
LOG.debug("get instance cpu bind info in _test_core_bind")
filter_properties = {}
inst_extra = objects.HuaweiInstanceExtra.get_by_instance_uuid(
context, instance.uuid)
if inst_extra:
scheduler_hints = jsonutils.loads(inst_extra.scheduler_hints
or '{}')
stats = jsonutils.loads(inst_extra.stats or '{}')
else:
scheduler_hints = {}
stats = {}
filter_properties['scheduler_hints'] = scheduler_hints
filter_properties['stats'] = stats
pci_requests = objects.InstancePCIRequests.get_by_instance_uuid(
context, instance['uuid'])
if pci_requests:
filter_properties['pci_requests'] = pci_requests
bind_info, instance_numa, enable_ht = sched_utils.get_inst_cpu_bind_info(
instance,
resource_tracker.host,
filter_properties=filter_properties)
sched_utils.update_cpu_bind_info_to_db(bind_info, instance.uuid,
instance_numa)
if instance_numa and instance_numa['cells'][0].get('is_huawei'):
cells = []
for cell in instance_numa['cells']:
cells.append(
objects.InstanceNUMACell(id=cell['id'],
cpuset=set(cell['cpuset']),
memory=cell['mem']['total'],
pagesize=cell.get('pagesize')))
format_inst_numa = objects.InstanceNUMATopology(cells=cells)
self.claimed_numa_topology = format_inst_numa
self.instance['numa_topology'] = format_inst_numa
def test_stat_consumption_from_instance_pci(self):
inst_topology = objects.InstanceNUMATopology(
cells = [objects.InstanceNUMACell(
cpuset=set([0]),
memory=512, id=0)])
fake_requests = [{'request_id': 'fake_request1', 'count': 1,
'spec': [{'vendor_id': '8086'}]}]
fake_requests_obj = objects.InstancePCIRequests(
requests=[objects.InstancePCIRequest(**r)
for r in fake_requests],
instance_uuid='fake-uuid')
req_spec = objects.RequestSpec(
instance_uuid='fake-uuid',
project_id='12345',
numa_topology=inst_topology,
pci_requests=fake_requests_obj,
flavor=objects.Flavor(root_gb=0,
ephemeral_gb=0,
memory_mb=512,
vcpus=1))
host = host_manager.HostState("fakehost", "fakenode")
self.assertIsNone(host.updated)
host.pci_stats = pci_stats.PciDeviceStats(
[objects.PciDevicePool(vendor_id='8086',
product_id='15ed',
numa_node=1,
count=1)])
host.numa_topology = fakes.NUMA_TOPOLOGY
host.consume_from_request(req_spec)
self.assertIsInstance(req_spec.numa_topology,
objects.InstanceNUMATopology)
self.assertEqual(512, host.numa_topology.cells[1].memory_usage)
self.assertEqual(1, host.numa_topology.cells[1].cpu_usage)
self.assertEqual(0, len(host.pci_stats.pools))
self.assertIsNotNone(host.updated)
def test_create_migration_context(self):
numa_topology = objects.InstanceNUMATopology(
cells=[objects.InstanceNUMACell(
id=1, cpuset=set([1, 2]), memory=512)])
claim = self._claim(numa_topology=numa_topology)
migration = objects.Migration(context=self.context, id=42)
claim.migration = migration
fake_mig_context = mock.Mock(spec=objects.MigrationContext)
@mock.patch('nova.db.instance_extra_get_by_instance_uuid',
return_value=None)
@mock.patch('nova.objects.MigrationContext',
return_value=fake_mig_context)
def _test(ctxt_mock, mock_get_extra):
claim.create_migration_context()
ctxt_mock.assert_called_once_with(
context=self.context, instance_uuid=self.instance.uuid,
migration_id=42, old_numa_topology=None,
new_numa_topology=mock.ANY)
self.assertIsInstance(ctxt_mock.call_args[1]['new_numa_topology'],
objects.InstanceNUMATopology)
self.assertEqual(migration, claim.migration)
_test()
def test_numa_topology_with_pci(self, mock_get):
dev_dict = {
'compute_node_id': 1,
'address': 'a',
'product_id': 'p',
'vendor_id': 'v',
'numa_node': 1,
'status': 'available'
}
self.tracker.new_pci_tracker()
self.tracker.pci_tracker.set_hvdevs([dev_dict])
request = objects.InstancePCIRequest(count=1,
spec=[{
'vendor_id': 'v',
'product_id': 'p'
}])
mock_get.return_value = objects.InstancePCIRequests(requests=[request])
huge_instance = objects.InstanceNUMATopology(cells=[
objects.InstanceNUMACell(id=1, cpuset=set([1, 2]), memory=512)
])
self._claim(numa_topology=huge_instance)
def _numa_fit_instance_cell(host_cell, instance_cell, limit_cell=None):
"""Check if a instance cell can fit and set it's cell id
:param host_cell: host cell to fit the instance cell onto
:param instance_cell: instance cell we want to fit
:param limit_cell: cell with limits of the host_cell if any
Make sure we can fit the instance cell onto a host cell and if so,
return a new objects.InstanceNUMACell with the id set to that of
the host, or None if the cell exceeds the limits of the host
:returns: a new instance cell or None
"""
# NOTE (ndipanov): do not allow an instance to overcommit against
# itself on any NUMA cell
if (instance_cell.memory > host_cell.memory
or len(instance_cell.cpuset) > len(host_cell.cpuset)):
return None
if limit_cell:
memory_usage = host_cell.memory_usage + instance_cell.memory
cpu_usage = host_cell.cpu_usage + len(instance_cell.cpuset)
if (memory_usage > limit_cell.memory_limit
or cpu_usage > limit_cell.cpu_limit):
return None
pagesize = None
if instance_cell.pagesize:
pagesize = _numa_cell_supports_pagesize_request(
host_cell, instance_cell)
if not pagesize:
return
return objects.InstanceNUMACell(id=host_cell.id,
cpuset=instance_cell.cpuset,
memory=instance_cell.memory,
pagesize=pagesize)
def test_cpu_pinning_requested_cell(self):
inst_cell = objects.InstanceNUMACell(cpuset=set([0, 1, 2, 3]),
cpu_pinning=None)
self.assertFalse(inst_cell.cpu_pinning_requested)
inst_cell.cpu_pinning = {}
self.assertTrue(inst_cell.cpu_pinning_requested)
def _schedule(self, context, request_spec, filter_properties):
"""Returns a list of hosts that meet the required specs,
ordered by their fitness.
"""
elevated = context.elevated()
instance_properties = request_spec['instance_properties']
instance_type = request_spec.get("instance_type", None)
instance_uuids = request_spec.get("instance_uuids", None)
LOG.debug("[HINTS] filter_properties=%s" % filter_properties)
# query scheduler_hints from database, and skip what in the parameters.
if instance_uuids:
inst_extra = objects.HuaweiInstanceExtra.get_by_instance_uuid(
context, instance_uuids[0])
if inst_extra:
scheduler_hints = jsonutils.loads(inst_extra.scheduler_hints
or '{}')
stats = jsonutils.loads(inst_extra.stats or '{}')
else:
scheduler_hints = {}
stats = {}
LOG.debug("[HINTS] Got scheduler_hints via db. "
"scheduler_hints=%s" % scheduler_hints)
filter_properties['scheduler_hints'] = scheduler_hints
filter_properties['stats'] = stats
instance_properties['stats'] = stats
try:
update_group_hosts = self._setup_instance_group(
context, filter_properties)
except exception.InstanceGroupNotFound as e:
# InstanceGroup has already checked in API,
# might has been deleted when migrate/ha
LOG.warning("ServerGroup %s doesn't exist" %
scheduler_hints.get('group', "None"))
update_group_hosts = False
config_options = self._get_configuration_options()
filter_properties.update({
'context': context,
'request_spec': request_spec,
'config_options': config_options,
'instance_type': instance_type
})
self.populate_filter_properties(request_spec, filter_properties)
# Find our local list of acceptable hosts by repeatedly
# filtering and weighing our options. Each time we choose a
# host, we virtually consume resources on it so subsequent
# selections can adjust accordingly.
# Note: remember, we are using an iterator here. So only
# traverse this list once. This can bite you if the hosts
# are being scanned in a filter or weighing function.
hosts = self._get_all_host_states(elevated)
selected_hosts = []
if instance_uuids:
num_instances = len(instance_uuids)
else:
num_instances = request_spec.get('num_instances', 1)
for num in xrange(num_instances):
#NOTE: add a tracker of filter
tracker = HuaweiFilterTracker()
filter_properties['__tracker'] = tracker
# Filter local hosts based on requirements ...
hosts = self.host_manager.get_filtered_hosts(hosts,
filter_properties,
index=num)
if not hosts:
# Can't get any more locally.
break
LOG.debug("Filtered %(hosts)s", {'hosts': hosts})
weighed_hosts = self.host_manager.get_weighed_hosts(
hosts, filter_properties)
LOG.debug("Weighed %(hosts)s", {'hosts': weighed_hosts})
scheduler_host_subset_size = CONF.scheduler_host_subset_size
if scheduler_host_subset_size > len(weighed_hosts):
scheduler_host_subset_size = len(weighed_hosts)
if scheduler_host_subset_size < 1:
scheduler_host_subset_size = 1
chosen_host = random.choice(
weighed_hosts[0:scheduler_host_subset_size])
host_mapper = dict()
for host in weighed_hosts:
host_mapper[host.obj.host] = host
if 'resize_prefer_to_same_host' in filter_properties:
origin_host = filter_properties['resize_prefer_to_same_host']
chosen_host = host_mapper.get(origin_host, chosen_host)
migrate_host = filter_properties.get('migrate_host')
if migrate_host:
if migrate_host in host_mapper:
chosen_host = host_mapper.get(migrate_host)
else:
# migrate_host not in filter hosts list
# raise NoVaildHost
break
selected_hosts.append(chosen_host)
# Now consume the resources so the filter/weights
# will change for the next instance.
# NOTE () adding and deleting pci_requests is a temporary
# fix to avoid DB access in consume_from_instance() while getting
# pci_requests. The change can be removed once pci_requests is
# part of the instance object that is passed into the scheduler
# APIs
pci_requests = filter_properties.get('pci_requests')
if pci_requests:
instance_properties['pci_requests'] = pci_requests
if request_spec.get('instance_type'):
instance_properties['numa_topology'] = \
hardware.numa_get_constraints(instance_type, {})
self._update_instance_topology(instance_properties, chosen_host)
try:
bind_info, instance_numa, __ = utils.get_inst_cpu_bind_info(
instance_properties,
chosen_host.obj,
filter_properties=filter_properties)
except exception.NovaException as ex:
msg = ("Get cpu binding info on host %(host)s failed, the"
" host_numa_top is %(host_numa_top)s, "
"instance_properties is %(instance_properties)s")
params = {
'host': chosen_host.obj.host,
'host_numa_top': chosen_host.obj.numa_topology,
'instance_properties': instance_properties
}
# set bind_info and instance_numa is None
bind_info = None
instance_numa = None
LOG.debug(_LE(msg), params)
LOG.debug(_LE(ex.format_message()))
scheduler_hints = filter_properties.get('scheduler_hints', None)
if instance_numa and instance_numa['cells'][0].get('is_huawei'):
cells = []
for cell in instance_numa['cells']:
cells.append(
objects.InstanceNUMACell(
id=cell['id'],
cpuset=set(cell['cpuset']),
memory=cell['mem']['total'],
pagesize=cell.get('pagesize')))
format_inst_numa = objects.InstanceNUMATopology(cells=cells)
instance_properties['numa_topology'] = format_inst_numa
try:
if isinstance(chosen_host.obj,
ironic_host_manager.IronicNodeState):
chosen_host.obj.consume_from_instance(instance_properties)
else:
chosen_host.obj.consume_from_instance(
instance_properties, filter_properties)
except exception.PciDeviceRequestFailed as e:
# pop the select chosen host in order to rollback resource in
# memory
LOG.warning("consume get exception: %s", e.format_message())
rollback_hosts = [chosen_host]
self.host_manager.force_update_host_states(
context, rollback_hosts)
if pci_requests:
del instance_properties['pci_requests']
if update_group_hosts is True:
# NOTE(): Group details are serialized into a list now
# that they are populated by the conductor, we need to
# deserialize them
if isinstance(filter_properties['group_hosts'], list):
filter_properties['group_hosts'] = set(
filter_properties['group_hosts'])
self._check_fulfill_for_multiple_create(context, num_instances,
selected_hosts)
return selected_hosts
def test_siblings(self):
# default thread number of VirtualCPUTopology is one, one thread means
# no thread and no sibling
inst_cell = objects.InstanceNUMACell(cpuset=set([0, 1, 2]),
pcpuset=set())
self.assertEqual([], inst_cell.siblings)
inst_cell = objects.InstanceNUMACell(cpuset=set([0, 1, 2]),
pcpuset=set([4, 5, 6]))
self.assertEqual([], inst_cell.siblings)
# 'threads=0' means no sibling
topo = objects.VirtCPUTopology(sockets=1, cores=3, threads=0)
inst_cell = objects.InstanceNUMACell(cpuset=set([0, 1, 2]),
pcpuset=set(),
cpu_topology=topo)
self.assertEqual([], inst_cell.siblings)
inst_cell = objects.InstanceNUMACell(cpuset=set(),
pcpuset=set([0, 1, 2]),
cpu_topology=topo)
self.assertEqual([], inst_cell.siblings)
# One thread actually means no threads
topo = objects.VirtCPUTopology(sockets=1, cores=3, threads=1)
inst_cell = objects.InstanceNUMACell(cpuset=set([0, 1, 2]),
pcpuset=set(),
cpu_topology=topo)
self.assertEqual([], inst_cell.siblings)
inst_cell = objects.InstanceNUMACell(cpuset=set(),
pcpuset=set([0, 1, 2]),
cpu_topology=topo)
self.assertEqual([], inst_cell.siblings)
# 2 threads per virtual core, and numa node has only one type CPU
# pinned and un-pinned.
topo = objects.VirtCPUTopology(sockets=1, cores=2, threads=2)
inst_cell = objects.InstanceNUMACell(cpuset=set([0, 1, 2, 3]),
pcpuset=set(),
cpu_topology=topo)
self.assertEqual([set([0, 1]), set([2, 3])], inst_cell.siblings)
inst_cell = objects.InstanceNUMACell(cpuset=set(),
pcpuset=set([0, 1, 2, 3]),
cpu_topology=topo)
self.assertEqual([set([0, 1]), set([2, 3])], inst_cell.siblings)
# 4 threads per virtual core, numa node has only one type CPU
topo = objects.VirtCPUTopology(sockets=1, cores=1, threads=4)
inst_cell = objects.InstanceNUMACell(cpuset=set([0, 1, 2, 3]),
pcpuset=set(),
cpu_topology=topo)
self.assertEqual([set([0, 1, 2, 3])], inst_cell.siblings)
inst_cell = objects.InstanceNUMACell(cpuset=set(),
pcpuset=set([0, 1, 2, 3]),
cpu_topology=topo)
self.assertEqual([set([0, 1, 2, 3])], inst_cell.siblings)
# 2 threads per virtual core, numa node with two type CPUs, the pinned
# and un-pinned
topo = objects.VirtCPUTopology(sockets=1, cores=2, threads=2)
inst_cell = objects.InstanceNUMACell(cpuset=set([0, 1]),
pcpuset=set([2, 3]),
cpu_topology=topo)
self.assertEqual([set([0, 1]), set([2, 3])], inst_cell.siblings)
def test_numa_pinning_requested_cell(self):
inst_cell = objects.InstanceNUMACell(cpuset=set([0, 1, 2, 3]),
physnode=None)
self.assertFalse(inst_cell.numa_pinning_requested)
inst_cell.physnode = 0
self.assertTrue(inst_cell.numa_pinning_requested)
def test_obj_make_compatible_numa_cell_pre_1_4(self):
topo_obj = objects.InstanceNUMACell(cpuset_reserved=set([1, 2]))
versions = ovo_base.obj_tree_get_versions('InstanceNUMACell')
primitive = topo_obj.obj_to_primitive(target_version='1.3',
version_manifest=versions)
self.assertNotIn('cpuset_reserved', primitive)
def test_cpu_pinning_requested_cell(self):
inst_cell = objects.InstanceNUMACell(cpuset=set([0, 1, 2, 3]),
cpu_pinning=None)
self.assertFalse(inst_cell.cpu_pinning_requested)
inst_cell.cpu_policy = fields.CPUAllocationPolicy.DEDICATED
self.assertTrue(inst_cell.cpu_pinning_requested)
def test_pin_vcpus(self):
inst_cell = objects.InstanceNUMACell(cpuset=set([0, 1, 2, 3]),
cpu_pinning=None)
inst_cell.pin_vcpus((0, 14), (1, 15), (2, 16), (3, 17))
self.assertEqual({0: 14, 1: 15, 2: 16, 3: 17}, inst_cell.cpu_pinning)
# 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.
from oslo_serialization import jsonutils
from oslo_utils import uuidutils
from nova import context
from nova import objects
from nova.tests.unit import fake_flavor
from nova.tests import uuidsentinel as uuids
INSTANCE_NUMA_TOPOLOGY = objects.InstanceNUMATopology(cells=[
objects.InstanceNUMACell(id=0, cpuset=set([1, 2]), memory=512),
objects.InstanceNUMACell(id=1, cpuset=set([3, 4]), memory=512)
])
INSTANCE_NUMA_TOPOLOGY.obj_reset_changes(recursive=True)
IMAGE_META = objects.ImageMeta.from_dict({
'status':
'active',
'container_format':
'bare',
'min_ram':
0,
'updated_at':
'2014-12-12T11:16:36.000000',
'min_disk':
0,
def test_pci_claim_instance_with_numa_fail(self, mock_get):
self._create_pci_requests_object(mock_get, fake_pci_requests)
self.inst.numa_topology = objects.InstanceNUMATopology(cells=[
objects.InstanceNUMACell(id=1, cpuset=set([1, 2]), memory=512)
])
self.assertIsNone(self.tracker.claim_instance(None, self.inst))
class CellsSchedulerTestCase(test.TestCase):
"""Test case for CellsScheduler class."""
def setUp(self):
super(CellsSchedulerTestCase, self).setUp()
self.flags(scheduler_filter_classes=[], scheduler_weight_classes=[],
group='cells')
self._init_cells_scheduler()
def _init_cells_scheduler(self):
fakes.init(self)
self.msg_runner = fakes.get_message_runner('api-cell')
self.scheduler = self.msg_runner.scheduler
self.state_manager = self.msg_runner.state_manager
self.my_cell_state = self.state_manager.get_my_state()
self.ctxt = context.RequestContext('fake', 'fake')
instance_uuids = []
for x in range(3):
instance_uuids.append(uuidutils.generate_uuid())
self.instance_uuids = instance_uuids
self.instances = [objects.Instance(uuid=uuid, id=id)
for id, uuid in enumerate(instance_uuids)]
self.request_spec = {
'num_instances': len(instance_uuids),
'instance_properties': self.instances[0],
'instance_type': 'fake_type',
'image': 'fake_image'}
self.build_inst_kwargs = {
'instances': self.instances,
'image': 'fake_image',
'filter_properties': {'instance_type': 'fake_type'},
'security_groups': 'fake_sec_groups',
'block_device_mapping': 'fake_bdm'}
def test_create_instances_here(self):
# Just grab the first instance type
inst_type = objects.Flavor.get_by_id(self.ctxt, 1)
image = {'properties': {}}
instance_uuids = self.instance_uuids
instance_props = {'id': 'removed',
'security_groups': 'removed',
'info_cache': 'removed',
'name': 'instance-00000001',
'hostname': 'meow',
'display_name': 'moo',
'image_ref': 'fake_image_ref',
'user_id': self.ctxt.user_id,
# Test these as lists
'metadata': {'moo': 'cow'},
'system_metadata': {'meow': 'cat'},
'flavor': inst_type,
'project_id': self.ctxt.project_id,
'numa_topology': None}
call_info = {'uuids': []}
block_device_mapping = [
objects.BlockDeviceMapping(context=self.ctxt,
**fake_block_device.FakeDbBlockDeviceDict(
block_device.create_image_bdm('fake_image_ref'),
anon=True))
]
def _fake_instance_update_at_top(_ctxt, instance):
call_info['uuids'].append(instance['uuid'])
self.stubs.Set(self.msg_runner, 'instance_update_at_top',
_fake_instance_update_at_top)
self.scheduler._create_instances_here(self.ctxt, instance_uuids,
instance_props, inst_type, image,
['default'], block_device_mapping)
self.assertEqual(instance_uuids, call_info['uuids'])
for count, instance_uuid in enumerate(instance_uuids):
instance = db.instance_get_by_uuid(self.ctxt, instance_uuid)
meta = utils.instance_meta(instance)
self.assertEqual('cow', meta['moo'])
sys_meta = utils.instance_sys_meta(instance)
self.assertEqual('cat', sys_meta['meow'])
self.assertEqual('meow', instance['hostname'])
self.assertEqual('moo-%d' % (count + 1),
instance['display_name'])
self.assertEqual('fake_image_ref', instance['image_ref'])
def test_build_instances_selects_child_cell(self):
# Make sure there's no capacity info so we're sure to
# select a child cell
our_cell_info = self.state_manager.get_my_state()
our_cell_info.capacities = {}
call_info = {'times': 0}
orig_fn = self.msg_runner.build_instances
def msg_runner_build_instances(ctxt, target_cell, build_inst_kwargs):
# This gets called twice. Once for our running it
# in this cell.. and then it'll get called when the
# child cell is picked. So, first time.. just run it
# like normal.
if not call_info['times']:
call_info['times'] += 1
return orig_fn(ctxt, target_cell, build_inst_kwargs)
call_info['ctxt'] = ctxt
call_info['target_cell'] = target_cell
call_info['build_inst_kwargs'] = build_inst_kwargs
def fake_build_request_spec(ctxt, image, instances):
request_spec = {
'num_instances': len(instances),
'image': image}
return request_spec
self.stubs.Set(self.msg_runner, 'build_instances',
msg_runner_build_instances)
self.stubs.Set(scheduler_utils, 'build_request_spec',
fake_build_request_spec)
self.msg_runner.build_instances(self.ctxt, self.my_cell_state,
self.build_inst_kwargs)
self.assertEqual(self.ctxt, call_info['ctxt'])
self.assertEqual(self.build_inst_kwargs,
call_info['build_inst_kwargs'])
child_cells = self.state_manager.get_child_cells()
self.assertIn(call_info['target_cell'], child_cells)
def test_build_instances_selects_current_cell(self):
# Make sure there's no child cells so that we will be
# selected
self.state_manager.child_cells = {}
call_info = {}
build_inst_kwargs = copy.deepcopy(self.build_inst_kwargs)
def fake_create_instances_here(ctxt, instance_uuids,
instance_properties, instance_type, image, security_groups,
block_device_mapping):
call_info['ctxt'] = ctxt
call_info['instance_uuids'] = instance_uuids
call_info['instance_properties'] = instance_properties
call_info['instance_type'] = instance_type
call_info['image'] = image
call_info['security_groups'] = security_groups
call_info['block_device_mapping'] = block_device_mapping
return self.instances
def fake_rpc_build_instances(ctxt, **build_inst_kwargs):
call_info['build_inst_kwargs'] = build_inst_kwargs
def fake_build_request_spec(ctxt, image, instances):
request_spec = {
'num_instances': len(instances),
'image': image}
return request_spec
self.stubs.Set(self.scheduler, '_create_instances_here',
fake_create_instances_here)
self.stubs.Set(self.scheduler.compute_task_api,
'build_instances', fake_rpc_build_instances)
self.stubs.Set(scheduler_utils, 'build_request_spec',
fake_build_request_spec)
self.msg_runner.build_instances(self.ctxt, self.my_cell_state,
build_inst_kwargs)
self.assertEqual(self.ctxt, call_info['ctxt'])
self.assertEqual(self.instance_uuids, call_info['instance_uuids'])
self.assertEqual(self.build_inst_kwargs['instances'][0]['id'],
call_info['instance_properties']['id'])
self.assertEqual(
self.build_inst_kwargs['filter_properties']['instance_type'],
call_info['instance_type'])
self.assertEqual(self.build_inst_kwargs['image'], call_info['image'])
self.assertEqual(self.build_inst_kwargs['security_groups'],
call_info['security_groups'])
self.assertEqual(self.build_inst_kwargs['block_device_mapping'],
call_info['block_device_mapping'])
self.assertEqual(build_inst_kwargs,
call_info['build_inst_kwargs'])
self.assertEqual(self.instance_uuids, call_info['instance_uuids'])
def test_build_instances_retries_when_no_cells_avail(self):
self.flags(scheduler_retries=7, group='cells')
call_info = {'num_tries': 0, 'errored_uuids': []}
def fake_grab_target_cells(filter_properties):
call_info['num_tries'] += 1
raise exception.NoCellsAvailable()
def fake_sleep(_secs):
return
def fake_instance_save(inst):
self.assertEqual(vm_states.ERROR, inst.vm_state)
call_info['errored_uuids'].append(inst.uuid)
def fake_build_request_spec(ctxt, image, instances):
request_spec = {
'num_instances': len(instances),
'image': image}
return request_spec
self.stubs.Set(self.scheduler, '_grab_target_cells',
fake_grab_target_cells)
self.stubs.Set(time, 'sleep', fake_sleep)
self.stubs.Set(objects.Instance, 'save', fake_instance_save)
self.stubs.Set(scheduler_utils, 'build_request_spec',
fake_build_request_spec)
self.msg_runner.build_instances(self.ctxt, self.my_cell_state,
self.build_inst_kwargs)
self.assertEqual(8, call_info['num_tries'])
self.assertEqual(self.instance_uuids, call_info['errored_uuids'])
def test_build_instances_numa_topology_not_none(self):
self.build_inst_kwargs['instances'][0].numa_topology =
objects.InstanceNUMATopology()
self.build_inst_kwargs['instances'][0].numa_topology.cells =
[objects.InstanceNUMACell(cpu_pinning_raw=None,cpu_topology=None,
cpuset=set([0]),id=0,memory=64,pagesize=None)]
fake_build_request_spec)
self.msg_runner.build_instances(self.ctxt, self.my_cell_state,
self.build_inst_kwargs)
self.assertEqual(8, call_info['num_tries'])
self.assertEqual(self.instance_uuids, call_info['errored_uuids'])
def test_build_instances_numa_topology_not_none(self):
self.build_inst_kwargs['instances'][0].numa_topology =
objects.InstanceNUMATopology()
self.build_inst_kwargs['instances'][0].numa_topology.cells =
[objects.InstanceNUMACell(cpu_pinning_raw=None,cpu_topology=None,
cpuset=set([0]),id=0,memory=64,pagesize=None)]
instance_topology = objects.InstanceNUMATopology()
instance_topology.cells = [objects.InstanceNUMACell(cpu_pinning_raw=None,
cpu_topology=None,cpuset=set([0]),id=0,memory=64,pagesize=None)]
self.msg_runner.build_instances(self.ctxt, self.my_cell_state,
self.build_inst_kwargs)
self.assertEqual(instance_topology.cells[0]['cpu_pinning_raw'],
self.build_inst_kwargs['instances'][0].numa_topology.cells[0]['cpu_pinning_raw'])
self.assertEqual(instance_topology.cells[0]['cpu_topology'],
self.build_inst_kwargs['instances'][0].numa_topology.cells[0]['cpu_topology'])
self.assertEqual(instance_topology.cells[0]['cpuset'],
self.build_inst_kwargs['instances'][0].numa_topology.cells[0]['cpuset'])
self.assertEqual(instance_topology.cells[0]['id'],
self.build_inst_kwargs['instances'][0].numa_topology.cells[0]['id'])
self.assertEqual(instance_topology.cells[0]['memory'],
self.build_inst_kwargs['instances'][0].numa_topology.cells[0]['memory'])
self.assertEqual(instance_topology.cells[0]['pagesize'],
def _instance_topology(self, mem):
mem = mem * 1024
return objects.InstanceNUMATopology(cells=[
objects.InstanceNUMACell(id=0, cpuset=set([1]), memory=mem),
objects.InstanceNUMACell(id=1, cpuset=set([3]), memory=mem)
])
def test_consume_requests_numa_failed(self):
cells = [
objects.InstanceNUMACell(
id=0, cpuset=set(), pcpuset=set(), memory=0),
]
self.assertIsNone(self.pci_stats.consume_requests(pci_requests, cells))
import mock
from oslo_serialization import jsonutils
from nova import exception
from nova import objects
from nova.objects import fields
from nova.tests.unit.objects import test_objects
fake_instance_uuid = str(uuid.uuid4())
fake_obj_numa_topology = objects.InstanceNUMATopology(
instance_uuid=fake_instance_uuid,
cells=[
objects.InstanceNUMACell(id=0,
cpuset=set([1, 2]),
memory=512,
pagesize=2048),
objects.InstanceNUMACell(id=1,
cpuset=set([3, 4]),
memory=512,
pagesize=2048)
])
fake_numa_topology = fake_obj_numa_topology._to_dict()
fake_db_topology = {
'created_at': None,
'updated_at': None,
'deleted_at': None,
'deleted': 0,
'id': 1,
1: flavors.save_flavor_info({}, _INSTANCE_TYPE_FIXTURES[1]),
2: flavors.save_flavor_info({}, _INSTANCE_TYPE_FIXTURES[2]),
}
_MIGRATION_SYS_META = flavors.save_flavor_info({}, _INSTANCE_TYPE_FIXTURES[1],
'old_')
_MIGRATION_SYS_META = flavors.save_flavor_info(_MIGRATION_SYS_META,
_INSTANCE_TYPE_FIXTURES[2],
'new_')
_2MB = 2 * units.Mi / units.Ki
_INSTANCE_NUMA_TOPOLOGIES = {
'2mb':
objects.InstanceNUMATopology(cells=[
objects.InstanceNUMACell(
id=0, cpuset=set([1]), memory=_2MB, pagesize=0),
objects.InstanceNUMACell(
id=1, cpuset=set([3]), memory=_2MB, pagesize=0)
]),
}
_NUMA_LIMIT_TOPOLOGIES = {
'2mb':
objects.NUMATopologyLimits(id=0,
cpu_allocation_ratio=1.0,
ram_allocation_ratio=1.0),
}
_NUMA_PAGE_TOPOLOGIES = {
'2kb*8': objects.NUMAPagesTopology(size_kb=2, total=8, used=0)
}
def test_default_behavior(self):
inst_cell = objects.InstanceNUMACell()
self.assertEqual(0, len(inst_cell.obj_get_changes()))
def test_support_requests_numa_failed(self):
cells = [objects.InstanceNUMACell(id=0, cpuset=set(), memory=0)]
self.assertFalse(self.pci_stats.support_requests(pci_requests, cells))
def test_numa_topology_no_limit(self):
huge_instance = objects.InstanceNUMATopology(cells=[
objects.InstanceNUMACell(id=1, cpuset=set([1, 2]), memory=512)
])
self._claim(numa_topology=huge_instance)
def test_consume_requests_numa_failed(self):
cells = [objects.InstanceNUMACell(id=0, cpuset=set(), memory=0)]
self.assertRaises(exception.PciDeviceRequestFailed,
self.pci_stats.consume_requests, pci_requests, cells)
