def test_resources_from_request_spec_having_requested_resources(self):
flavor = objects.Flavor(vcpus=1,
memory_mb=1024,
root_gb=10,
ephemeral_gb=5,
swap=0)
rg1 = objects.RequestGroup()
rg2 = objects.RequestGroup()
reqspec = objects.RequestSpec(flavor=flavor,
requested_resources=[rg1, rg2])
req = utils.resources_from_request_spec(self.context, reqspec,
self.mock_host_manager)
self.assertEqual({
'MEMORY_MB': 1024,
'DISK_GB': 15,
'VCPU': 1
},
req.get_request_group(None).resources)
self.assertIs(rg1, req.get_request_group(1))
self.assertIs(rg2, req.get_request_group(2))
def test_resources_from_request_spec_flavor_forbidden_trait(self):
flavor = objects.Flavor(
vcpus=1,
memory_mb=1024,
root_gb=10,
ephemeral_gb=5,
swap=0,
extra_specs={'trait:CUSTOM_FLAVOR_TRAIT': 'forbidden'})
expected_resources = utils.ResourceRequest()
expected_resources._rg_by_id[None] = objects.RequestGroup(
use_same_provider=False,
resources={
'VCPU': 1,
'MEMORY_MB': 1024,
'DISK_GB': 15,
},
forbidden_traits={
'CUSTOM_FLAVOR_TRAIT',
})
self._test_resources_from_request_spec(expected_resources, flavor)
def test_isolate_agg_trait_on_flv_img_destination_not_set(self,
mock_getnotmd):
mock_getnotmd.return_value = []
flavor_traits = set(['HW_GPU_API_DXVA'])
image_traits = set(['HW_NIC_DCB_ETS'])
fake_flavor = objects.Flavor(
vcpus=1, memory_mb=1024, root_gb=10, ephemeral_gb=5, swap=0,
extra_specs={
'trait:' + trait: 'required' for trait in flavor_traits})
fake_image = objects.ImageMeta(
properties=objects.ImageMetaProps(
traits_required=[trait for trait in image_traits]))
reqspec = objects.RequestSpec(flavor=fake_flavor, image=fake_image)
result = request_filter.isolate_aggregates(self.context, reqspec)
self.assertTrue(result)
self.assertNotIn('requested_destination', reqspec)
keys = ['trait:%s' % trait for trait in flavor_traits.union(
image_traits)]
mock_getnotmd.assert_called_once_with(
self.context, utils.ItemsMatcher(keys), 'trait:', value='required')
def test_to_legacy_instance(self):
spec = objects.RequestSpec()
spec.flavor = objects.Flavor(root_gb=10,
ephemeral_gb=0,
memory_mb=10,
vcpus=1)
spec.numa_topology = None
spec.pci_requests = None
spec.project_id = fakes.FAKE_PROJECT_ID
spec.availability_zone = 'nova'
instance = spec._to_legacy_instance()
self.assertEqual({'root_gb': 10,
'ephemeral_gb': 0,
'memory_mb': 10,
'vcpus': 1,
'numa_topology': None,
'pci_requests': None,
'project_id': fakes.FAKE_PROJECT_ID,
'availability_zone': 'nova'}, instance)
def _removeTenantAccess(self, req, id, body):
context = req.environ['nova.context']
authorize(context, action="removeTenantAccess")
self._check_body(body)
vals = body['removeTenantAccess']
tenant = vals.get('tenant')
if not tenant:
msg = _("Missing tenant parameter")
raise webob.exc.HTTPBadRequest(explanation=msg)
flavor = objects.Flavor(context=context, flavorid=id)
try:
flavor.remove_access(tenant)
except (exception.FlavorNotFound,
exception.FlavorAccessNotFound) as err:
raise webob.exc.HTTPNotFound(explanation=err.format_message())
return _marshall_flavor_access(flavor)
def setUp(self):
super(InstanceTypeExtraSpecsTestCase, self).setUp()
self.context = context.get_admin_context()
flavor = objects.Flavor(context=self.context,
name="cg1.4xlarge",
memory_mb=22000,
vcpus=8,
root_gb=1690,
ephemeral_gb=2000,
flavorid=105)
self.specs = dict(cpu_arch=arch.X86_64,
cpu_model="Nehalem",
xpu_arch="fermi",
xpus="2",
xpu_model="Tesla 2050")
flavor.extra_specs = self.specs
flavor.create()
self.flavor = flavor
self.instance_type_id = flavor.id
self.flavorid = flavor.flavorid
def setUp(self):
super(FlavorsSampleJsonTest2_61, self).setUp()
# Get the existing flavors created by DefaultFlavorsFixture.
ctxt = nova_context.get_admin_context()
flavors = objects.FlavorList.get_all(ctxt)
# Flavors are sorted by flavorid in ascending order by default, so
# get the last flavor in the list and create a new flavor with an
# incremental flavorid so we have a predictable sort order for the
# sample response.
new_flavor_id = int(flavors[-1].flavorid) + 1
new_flavor = objects.Flavor(
ctxt, memory_mb=2048, vcpus=1, root_gb=20, flavorid=new_flavor_id,
name='m1.small.description', description='test description',
extra_specs={
'hw:numa_nodes': '1',
'hw:cpu_policy': 'shared',
})
new_flavor.create()
self.flavor_show_id = new_flavor_id
self.subs = {'flavorid': new_flavor_id}
def test_resources_from_request_spec_requested_resources_unfilled(self):
flavor = objects.Flavor(
vcpus=1,
memory_mb=1024,
root_gb=10,
ephemeral_gb=5,
swap=0)
reqspec = objects.RequestSpec(flavor=flavor)
req = utils.resources_from_request_spec(
self.context, reqspec, self.mock_host_manager)
self.assertEqual({'MEMORY_MB': 1024, 'DISK_GB': 15, 'VCPU': 1},
req.get_request_group(None).resources)
self.assertEqual(1, len(list(req.resource_groups())))
reqspec = objects.RequestSpec(flavor=flavor, requested_resources=[])
req = utils.resources_from_request_spec(
self.context, reqspec, self.mock_host_manager)
self.assertEqual({'MEMORY_MB': 1024, 'DISK_GB': 15, 'VCPU': 1},
req.get_request_group(None).resources)
self.assertEqual(1, len(list(req.resource_groups())))
def test_get_resources_from_request_spec_override_flavor_amounts(self):
flavor = objects.Flavor(vcpus=1,
memory_mb=1024,
root_gb=10,
ephemeral_gb=5,
swap=0,
extra_specs={
"resources:VCPU": 99,
"resources:MEMORY_MB": 99,
"resources:DISK_GB": 99
})
expected_resources = utils.ResourceRequest()
expected_resources._rg_by_id[None] = plib.RequestGroup(
use_same_provider=False,
resources={
"VCPU": 99,
"MEMORY_MB": 99,
"DISK_GB": 99,
})
self._test_resources_from_request_spec(flavor, expected_resources)
def test_get_arq_uuids_for_instance(self, mock_cyborg_get):
# Happy path, without only_resolved=True
_, bound_arqs = self._get_bound_arqs()
instance_uuid = bound_arqs[0]['instance_uuid']
flavor = objects.Flavor(extra_specs={'accel:device_profile': 'dp1'})
instance = objects.Instance(flavor=flavor,
uuid=instance_uuid)
query = {"instance": instance_uuid}
content = jsonutils.dumps({'arqs': bound_arqs})
resp = fake_requests.FakeResponse(200, content)
mock_cyborg_get.return_value = resp
ret_arqs = self.client.get_arq_uuids_for_instance(instance)
mock_cyborg_get.assert_called_once_with(
self.client.ARQ_URL, params=query)
bound_arqs = [bound_arq['uuid'] for bound_arq in bound_arqs]
bound_arqs.sort()
ret_arqs.sort()
self.assertEqual(bound_arqs, ret_arqs)
def test_resources_from_request_spec_no_aggregates(self):
flavor = objects.Flavor(vcpus=1, memory_mb=1024,
root_gb=1, ephemeral_gb=0,
swap=0)
reqspec = objects.RequestSpec(flavor=flavor)
req = utils.resources_from_request_spec(reqspec)
self.assertEqual([], req.get_request_group(None).aggregates)
reqspec.requested_destination = None
req = utils.resources_from_request_spec(reqspec)
self.assertEqual([], req.get_request_group(None).aggregates)
reqspec.requested_destination = objects.Destination()
req = utils.resources_from_request_spec(reqspec)
self.assertEqual([], req.get_request_group(None).aggregates)
reqspec.requested_destination.aggregates = None
req = utils.resources_from_request_spec(reqspec)
self.assertEqual([], req.get_request_group(None).aggregates)
def test_process_no_force_hosts_or_force_nodes(self):
flavor = objects.Flavor(vcpus=1,
memory_mb=1024,
root_gb=15,
ephemeral_gb=0,
swap=0)
expected = utils.ResourceRequest()
expected._rg_by_id[None] = objects.RequestGroup(
use_same_provider=False,
resources={
'VCPU': 1,
'MEMORY_MB': 1024,
'DISK_GB': 15,
},
)
rr = self._test_resources_from_request_spec(expected, flavor)
expected_querystring = (
'limit=1000&'
'resources=DISK_GB%3A15%2CMEMORY_MB%3A1024%2CVCPU%3A1')
self.assertEqual(expected_querystring, rr.to_querystring())
def _fake_instance(start, end, instance_id, tenant_id,
vm_state=vm_states.ACTIVE):
flavor = objects.Flavor(**FAKE_INST_TYPE)
return objects.Instance(
deleted=False,
id=instance_id,
uuid=getattr(uuids, 'instance_%d' % instance_id),
image_ref='1',
project_id=tenant_id,
user_id='fakeuser',
display_name='name',
instance_type_id=FAKE_INST_TYPE['id'],
launched_at=start,
terminated_at=end,
vm_state=vm_state,
memory_mb=MEMORY_MB,
vcpus=VCPUS,
root_gb=ROOT_GB,
ephemeral_gb=EPHEMERAL_GB,
flavor=flavor)
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 test_select_destinations(self, mock_get_extra, mock_get_all,
mock_by_host, mock_get_by_binary):
"""select_destinations is basically a wrapper around _schedule().
Similar to the _schedule tests, this just does a happy path test to
ensure there is nothing glaringly wrong.
"""
self.next_weight = 1.0
selected_hosts = []
selected_nodes = []
def _fake_weigh_objects(_self, functions, hosts, options):
self.next_weight += 2.0
host_state = hosts[0]
selected_hosts.append(host_state.host)
selected_nodes.append(host_state.nodename)
return [weights.WeighedHost(host_state, self.next_weight)]
self.stubs.Set(self.driver.host_manager, 'get_filtered_hosts',
fake_get_filtered_hosts)
self.stubs.Set(weights.HostWeightHandler, 'get_weighed_objects',
_fake_weigh_objects)
spec_obj = objects.RequestSpec(flavor=objects.Flavor(memory_mb=512,
root_gb=512,
ephemeral_gb=0,
vcpus=1),
project_id=1,
os_type='Linux',
instance_uuid='fake-uuid',
num_instances=1,
pci_requests=None,
numa_topology=None,
instance_group=None)
self.mox.ReplayAll()
dests = self.driver.select_destinations(self.context, spec_obj)
(host, node) = (dests[0]['host'], dests[0]['nodename'])
self.assertEqual(host, selected_hosts[0])
self.assertEqual(node, selected_nodes[0])
def test_schedule_successful_claim(self, mock_get_hosts,
mock_get_all_states, mock_claim):
spec_obj = objects.RequestSpec(num_instances=1,
flavor=objects.Flavor(memory_mb=512,
root_gb=512,
ephemeral_gb=0,
swap=0,
vcpus=1),
project_id=uuids.project_id,
instance_group=None)
host_state = mock.Mock(spec=host_manager.HostState,
host=mock.sentinel.host,
uuid=uuids.cn1)
all_host_states = [host_state]
mock_get_all_states.return_value = all_host_states
mock_get_hosts.return_value = all_host_states
mock_claim.return_value = True
instance_uuids = [uuids.instance]
alloc_reqs_by_rp_uuid = {
uuids.cn1: [mock.sentinel.alloc_req],
}
ctx = mock.Mock()
selected_hosts = self.driver._schedule(
ctx, spec_obj, instance_uuids, alloc_reqs_by_rp_uuid,
mock.sentinel.provider_summaries)
mock_get_all_states.assert_called_once_with(
ctx.elevated.return_value, spec_obj,
mock.sentinel.provider_summaries)
mock_get_hosts.assert_called_once_with(spec_obj, all_host_states, 0)
mock_claim.assert_called_once_with(ctx.elevated.return_value, spec_obj,
uuids.instance,
[mock.sentinel.alloc_req])
self.assertEqual(len(selected_hosts), 1)
self.assertEqual([host_state], selected_hosts)
# Ensure that we have consumed the resources on the chosen host states
host_state.consume_from_request.assert_called_once_with(spec_obj)
def test_schedule_chooses_best_host(self, mock_get_extra, mock_cn_get_all,
mock_get_by_binary,
mock_add_inst_info):
"""If scheduler_host_subset_size is 1, the largest host with greatest
weight should be returned.
"""
self.flags(scheduler_host_subset_size=1)
self.stubs.Set(self.driver.host_manager, 'get_filtered_hosts',
fake_get_filtered_hosts)
self.next_weight = 50
def _fake_weigh_objects(_self, functions, hosts, options):
this_weight = self.next_weight
self.next_weight = 0
host_state = hosts[0]
return [weights.WeighedHost(host_state, this_weight)]
spec_obj = objects.RequestSpec(num_instances=1,
project_id=1,
os_type='Linux',
uuid='fake-uuid',
flavor=objects.Flavor(root_gb=512,
memory_mb=512,
ephemeral_gb=0,
vcpus=1),
pci_requests=None,
numa_topology=None,
instance_group=None)
self.stubs.Set(weights.HostWeightHandler, 'get_weighed_objects',
_fake_weigh_objects)
self.mox.ReplayAll()
hosts = self.driver._schedule(self.context, spec_obj)
# one host should be chosen
self.assertEqual(1, len(hosts))
self.assertEqual(50, hosts[0].weight)
def test_find_destination_works_with_no_request_spec(self):
task = live_migrate.LiveMigrationTask(
self.context,
self.instance,
self.destination,
self.block_migration,
self.disk_over_commit,
self.migration,
compute_rpcapi.ComputeAPI(),
servicegroup.API(),
scheduler_client.SchedulerClient(),
request_spec=None)
another_spec = objects.RequestSpec()
self.instance.flavor = objects.Flavor()
self.instance.numa_topology = None
self.instance.pci_requests = None
@mock.patch.object(task, '_call_livem_checks_on_host')
@mock.patch.object(task, '_check_compatible_with_source_hypervisor')
@mock.patch.object(task.scheduler_client, 'select_destinations')
@mock.patch.object(objects.RequestSpec, 'from_components')
@mock.patch.object(scheduler_utils, 'setup_instance_group')
@mock.patch.object(utils, 'get_image_from_system_metadata')
def do_test(get_image, setup_ig, from_components, select_dest,
check_compat, call_livem_checks):
get_image.return_value = "image"
from_components.return_value = another_spec
select_dest.return_value = [{'host': 'host1'}]
self.assertEqual("host1", task._find_destination())
get_image.assert_called_once_with(self.instance.system_metadata)
fake_props = {'instance_properties': {'uuid': self.instance_uuid}}
setup_ig.assert_called_once_with(
self.context, fake_props,
{'ignore_hosts': [self.instance_host]})
select_dest.assert_called_once_with(self.context, another_spec)
check_compat.assert_called_once_with("host1")
call_livem_checks.assert_called_once_with("host1")
do_test()
def test_schedule_placement_bad_comms(self, mock_get_hosts,
mock_get_all_states, mock_claim):
"""If there was a problem communicating with the Placement service,
alloc_reqs_by_rp_uuid will be None and we need to avoid trying to claim
in the Placement API.
"""
spec_obj = objects.RequestSpec(num_instances=1,
flavor=objects.Flavor(memory_mb=512,
root_gb=512,
ephemeral_gb=0,
swap=0,
vcpus=1),
project_id=uuids.project_id,
instance_group=None)
host_state = mock.Mock(spec=host_manager.HostState,
host=mock.sentinel.host,
uuid=uuids.cn1)
all_host_states = [host_state]
mock_get_all_states.return_value = all_host_states
mock_get_hosts.return_value = all_host_states
instance_uuids = None
ctx = mock.Mock()
selected_hosts = self.driver._schedule(
ctx, spec_obj, instance_uuids, None,
mock.sentinel.provider_summaries)
mock_get_all_states.assert_called_once_with(
ctx.elevated.return_value, spec_obj,
mock.sentinel.provider_summaries)
mock_get_hosts.assert_called_once_with(spec_obj, all_host_states, 0)
self.assertEqual(len(selected_hosts), 1)
self.assertEqual([host_state], selected_hosts)
# Ensure that we have consumed the resources on the chosen host states
host_state.consume_from_request.assert_called_once_with(spec_obj)
# And ensure we never called _claim_resources()
self.assertFalse(mock_claim.called)
def test_resources_from_request_spec_aggregates(self):
destination = objects.Destination()
flavor = objects.Flavor(vcpus=1,
memory_mb=1024,
root_gb=1,
ephemeral_gb=0,
swap=0)
reqspec = objects.RequestSpec(flavor=flavor,
requested_destination=destination)
destination.require_aggregates(['foo', 'bar'])
req = utils.resources_from_request_spec(self.context, reqspec,
self.mock_host_manager)
self.assertEqual([['foo', 'bar']],
req.get_request_group(None).aggregates)
destination.require_aggregates(['baz'])
req = utils.resources_from_request_spec(self.context, reqspec,
self.mock_host_manager)
self.assertEqual([['foo', 'bar'], ['baz']],
req.get_request_group(None).aggregates)
def get_test_flavor(context=None, options=None):
options = options or {}
if not context:
context = get_test_admin_context()
test_flavor = {'name': 'kinda.big',
'flavorid': 'someid',
'memory_mb': 2048,
'vcpus': 4,
'root_gb': 40,
'ephemeral_gb': 80,
'swap': 1024}
test_flavor.update(options)
flavor_ref = objects.Flavor(context, **test_flavor)
try:
flavor_ref.create()
except (exception.FlavorExists, exception.FlavorIdExists):
flavor_ref = objects.Flavor.get_by_flavor_id(
context, test_flavor['flavorid'])
return flavor_ref
def test_update_with_invalid_description(self, mock_flavor_save, mock_get):
# First create a flavor.
flavor = self._create_flavor_success_case(self.request_body)['flavor']
self.assertEqual('test description', flavor['description'])
mock_get.return_value = objects.Flavor(
flavorid=flavor['id'], name=flavor['name'],
memory_mb=flavor['ram'], vcpus=flavor['vcpus'],
root_gb=flavor['disk'], swap=flavor['swap'],
ephemeral_gb=flavor['OS-FLV-EXT-DATA:ephemeral'],
disabled=flavor['OS-FLV-DISABLED:disabled'],
is_public=flavor['os-flavor-access:is_public'],
description=flavor['description'])
# NOTE(mriedem): Intentionally not using ddt for this since ddt will
# create a test name that has 65536 'a's in the name which blows up
# the console output.
for description in ('bad !@#!$%\x00 description', # printable chars
'a' * 65536): # maxLength
self.request_body['flavor']['description'] = description
self.assertRaises(self.validation_error, self.controller._update,
self._get_http_request(), flavor['id'],
body={'flavor': {'description': description}})
def setUp(self):
super().setUp()
self.context = nova_context.get_admin_context()
flavor = objects.Flavor(context=self.context,
name="cg1.4xlarge",
memory_mb=22000,
vcpus=8,
root_gb=1690,
ephemeral_gb=2000,
flavorid=105)
self.specs = {
'cpu_arch': fields.Architecture.X86_64,
'cpu_model': 'Nehalem',
'xpu_arch': 'fermi',
'xpus': '2',
'xpu_model': 'Tesla 2050',
}
flavor.extra_specs = self.specs
flavor.create()
self.flavor = flavor
self.flavorid = flavor.flavorid
def test_type_filter(self):
self.filt_cls = type_filter.TypeAffinityFilter()
host = fakes.FakeHostState('fake_host', 'fake_node', {})
host.instances = {}
target_id = 1
spec_obj = objects.RequestSpec(
context=mock.MagicMock(),
flavor=objects.Flavor(id=target_id))
# True since no instances on host
self.assertTrue(self.filt_cls.host_passes(host, spec_obj))
# Add an instance with the same instance_type_id
inst1 = objects.Instance(uuid='aa', instance_type_id=target_id)
host.instances = {inst1.uuid: inst1}
# True since only same instance_type_id on host
self.assertTrue(self.filt_cls.host_passes(host, spec_obj))
# Add an instance with a different instance_type_id
diff_type = target_id + 1
inst2 = objects.Instance(uuid='bb', instance_type_id=diff_type)
host.instances.update({inst2.uuid: inst2})
# False since host now has an instance of a different type
self.assertFalse(self.filt_cls.host_passes(host, spec_obj))
def test_get_resources_from_request_spec_vgpu(self):
flavor = objects.Flavor(vcpus=1,
memory_mb=1024,
root_gb=10,
ephemeral_gb=0,
swap=0,
extra_specs={
"resources:VGPU": 1,
"resources:VGPU_DISPLAY_HEAD": 1
})
expected_resources = utils.ResourceRequest()
expected_resources._rg_by_id[None] = plib.RequestGroup(
use_same_provider=False,
resources={
"VCPU": 1,
"MEMORY_MB": 1024,
"DISK_GB": 10,
"VGPU": 1,
"VGPU_DISPLAY_HEAD": 1,
})
self._test_resources_from_request_spec(flavor, expected_resources)
def test_compat_legacy_props(self, to_props, to_spec):
fake_flavor = objects.Flavor()
fake_context = mock.Mock()
fake_spec = objects.RequestSpec(context=fake_context,
flavor=fake_flavor)
fake_spec.config_options = None
to_props.return_value = {'prop1': 'val1'}
to_spec.return_value = {'spec1': 'val2'}
@filters.compat_legacy_props
def fake_host_passes(self, host_state, filter_properties):
# NOTE(sbauza): Convenient way to verify the passed properties
return filter_properties
expected = {'prop1': 'val1',
'request_spec': {'spec1': 'val2'},
'instance_type': fake_flavor,
'context': fake_context,
'config_options': None}
self.assertEqual(expected,
fake_host_passes('self', 'host_state', fake_spec))
def test_get_flags_by_flavor_specs(self):
flavor = objects.Flavor(
id=1,
flavorid='fakeid-1',
name='fake1.small',
memory_mb=128,
vcpus=1,
root_gb=1,
ephemeral_gb=0,
swap=0,
rxtx_factor=0,
deleted=False,
extra_specs={
'trait:%s' % os_traits.HW_CPU_X86_3DNOW: 'required',
'trait:%s' % os_traits.HW_CPU_X86_SSE2: 'required',
'trait:%s' % os_traits.HW_CPU_HYPERTHREADING: 'required',
})
traits = libvirt_utils.get_flags_by_flavor_specs(flavor)
# we shouldn't see the hyperthreading trait since that's a valid trait
# but not a CPU flag
self.assertEqual(set(['3dnow', 'sse2']), traits)
def test_instance_fault_message_no_traceback_with_retry(self):
"""This test simulates a spawn failure on the last retry attempt.
If driver spawn raises an exception on the last retry attempt, the
instance fault message should not contain a traceback for the
last exception. The fault message field is limited in size and a long
message with a traceback displaces the original error message.
"""
self.flags(max_attempts=3, group='scheduler')
flavor = objects.Flavor(
id=1, name='flavor1', memory_mb=256, vcpus=1, root_gb=1,
ephemeral_gb=1, flavorid='1', swap=0, rxtx_factor=1.0,
vcpu_weight=1, disabled=False, is_public=True, extra_specs={},
projects=[])
instance = objects.Instance(self.context, flavor=flavor, vcpus=1,
memory_mb=256, root_gb=0, ephemeral_gb=0,
project_id='fake')
instance.create()
# Amongst others, mock the resource tracker, otherwise it will
# not have been sufficiently initialized and will raise a KeyError
# on the self.compute_nodes dict after the TestingException.
@mock.patch.object(self.conductor.manager.compute_task_mgr,
'_cleanup_allocated_networks')
@mock.patch.object(self.compute.manager.network_api,
'cleanup_instance_network_on_host')
@mock.patch('nova.compute.utils.notify_about_instance_usage')
@mock.patch.object(self.compute.manager, '_get_resource_tracker')
@mock.patch.object(self.compute.manager.driver, 'spawn')
def _test(mock_spawn, mock_grt, mock_notify, mock_cinoh, mock_can):
mock_spawn.side_effect = test.TestingException('Preserve this')
# Simulate that we're on the last retry attempt
filter_properties = {'retry': {'num_attempts': 3}}
request_spec = objects.RequestSpec.from_primitives(
self.context, {}, filter_properties)
self.compute.manager.build_and_run_instance(
self.context, instance, {}, request_spec,
filter_properties, block_device_mapping=[])
_test()
self.assertIn('Preserve this', instance.fault.message)
def _create_instance(self,
node=None,
set_image_ref=True,
uuid=None,
instance_type='m1.large',
ephemeral=None,
instance_type_updates=None):
if not node:
node = self.node_name
if not uuid:
uuid = uuidutils.generate_uuid()
self.type_data = self._get_instance_type_by_name(instance_type)
if instance_type_updates:
self.type_data.update(instance_type_updates)
if ephemeral is not None:
self.type_data['ephemeral_gb'] = ephemeral
values = {
'name': 'fake_name',
'id': 1,
'uuid': uuid,
'project_id': self.project_id,
'user_id': self.user_id,
'kernel_id': "fake_kernel_uuid",
'ramdisk_id': "fake_ramdisk_uuid",
'mac_address': "de:ad:be:ef:be:ef",
'Flavor': instance_type,
'node': node,
'memory_mb': self.type_data['memory_mb'],
'root_gb': self.type_data['root_gb'],
'ephemeral_gb': self.type_data['ephemeral_gb'],
'vcpus': self.type_data['vcpus'],
'swap': self.type_data['swap'],
'expected_attrs': ['system_metadata'],
}
if set_image_ref:
values['image_ref'] = self.fake_image_uuid
self.instance_node = node
self.uuid = uuid
self.instance = fake_instance.fake_instance_obj(self.context, **values)
self.instance.flavor = objects.Flavor(**self.type_data)
def test_schedule_happy_day(self, mock_get_extra, mock_get_mv,
mock_get_rps, mock_get_all,
mock_by_host, mock_get_by_binary):
"""Make sure there's nothing glaringly wrong with _schedule()
by doing a happy day pass through.
"""
self.next_weight = 1.0
def _fake_weigh_objects(_self, functions, hosts, options):
self.next_weight += 2.0
host_state = hosts[0]
return [weights.WeighedHost(host_state, self.next_weight)]
self.stub_out('nova.scheduler.weights.HostWeightHandler.'
'get_weighed_objects', _fake_weigh_objects)
spec_obj = objects.RequestSpec(
num_instances=10,
flavor=objects.Flavor(memory_mb=512,
root_gb=512,
ephemeral_gb=0,
swap=0,
vcpus=1),
project_id=1,
os_type='Linux',
uuid=uuids.instance,
pci_requests=None,
numa_topology=None,
instance_group=None)
with mock.patch.object(self.driver.host_manager,
'get_filtered_hosts') as mock_get_hosts:
mock_get_hosts.side_effect = fake_get_filtered_hosts
weighed_hosts = self.driver._schedule(self.context, spec_obj,
[uuids.instance])
self.assertEqual(len(weighed_hosts), 10)
for weighed_host in weighed_hosts:
self.assertIsNotNone(weighed_host.obj)
