def setUp(self):
super(ServerGroupTestBase, self).setUp()
self.flags(enabled_filters=self._enabled_filters,
group='filter_scheduler')
# NOTE(sbauza): Don't verify VCPUS and disks given the current nodes.
self.flags(cpu_allocation_ratio=9999.0)
self.flags(disk_allocation_ratio=9999.0)
self.flags(weight_classes=self._get_weight_classes(),
group='filter_scheduler')
self.useFixture(nova_fixtures.RealPolicyFixture())
self.useFixture(nova_fixtures.GlanceFixture(self))
self.useFixture(nova_fixtures.NeutronFixture(self))
self.useFixture(func_fixtures.PlacementFixture())
api_fixture = self.useFixture(
nova_fixtures.OSAPIFixture(api_version='v2.1'))
self.api = api_fixture.api
self.api.microversion = self.microversion
self.admin_api = api_fixture.admin_api
self.admin_api.microversion = self.microversion
self.start_service('conductor')
self.start_service('scheduler')
def setUp(self):
super(ServerGroupTestBase, self).setUp()
self.flags(enabled_filters=self._enabled_filters,
group='filter_scheduler')
# NOTE(sbauza): Don't verify VCPUS and disks given the current nodes.
self.flags(cpu_allocation_ratio=9999.0)
self.flags(disk_allocation_ratio=9999.0)
self.flags(weight_classes=self._get_weight_classes(),
group='filter_scheduler')
self.useFixture(policy_fixture.RealPolicyFixture())
self.useFixture(nova_fixtures.NeutronFixture(self))
self.useFixture(func_fixtures.PlacementFixture())
api_fixture = self.useFixture(nova_fixtures.OSAPIFixture(
api_version='v2.1'))
self.api = api_fixture.api
self.api.microversion = self.microversion
self.admin_api = api_fixture.admin_api
self.admin_api.microversion = self.microversion
# the image fake backend needed for image discovery
nova.tests.unit.image.fake.stub_out_image_service(self)
self.start_service('conductor')
self.start_service('scheduler')
self.addCleanup(nova.tests.unit.image.fake.FakeImageService_reset)
def setUp(self):
super(TestLiveMigrateOneOfConcurrentlyCreatedInstances, self).setUp()
self.useFixture(policy_fixture.RealPolicyFixture())
self.useFixture(nova_fixtures.NeutronFixture(self))
self.useFixture(func_fixtures.PlacementFixture())
api_fixture = self.useFixture(
nova_fixtures.OSAPIFixture(api_version='v2.1'))
self.api = api_fixture.admin_api
self.api.microversion = self.microversion
nova.tests.unit.image.fake.stub_out_image_service(self)
self.addCleanup(nova.tests.unit.image.fake.FakeImageService_reset)
self.start_service('conductor')
self.start_service('scheduler')
self.start_service('compute', host='host1')
self.start_service('compute', host='host2')
fake_network.set_stub_network_methods(self)
flavors = self.api.get_flavors()
self.flavor1 = flavors[0]
def setUp(self):
super(TestLiveMigrateOneOfConcurrentlyCreatedInstances, self).setUp()
self.useFixture(policy_fixture.RealPolicyFixture())
self.useFixture(nova_fixtures.NeutronFixture(self))
self.useFixture(func_fixtures.PlacementFixture())
api_fixture = self.useFixture(
nova_fixtures.OSAPIFixture(api_version='v2.1'))
self.api = api_fixture.admin_api
self.api.microversion = self.microversion
nova.tests.unit.image.fake.stub_out_image_service(self)
self.addCleanup(nova.tests.unit.image.fake.FakeImageService_reset)
self.start_service('conductor')
self.start_service('scheduler')
# set_nodes() is needed to have each compute service return a
# different nodename, so we get two hosts in the list of candidates
# for scheduling. Otherwise both hosts will have the same default
# nodename "fake-mini". The host passed to start_service controls the
# "host" attribute and set_nodes() sets the "nodename" attribute.
# We set_nodes() to make host and nodename the same for each compute.
fake.set_nodes(['host1'])
self.addCleanup(fake.restore_nodes)
self.start_service('compute', host='host1')
fake.set_nodes(['host2'])
self.start_service('compute', host='host2')
fake_network.set_stub_network_methods(self)
flavors = self.api.get_flavors()
self.flavor1 = flavors[0]
def setUp(self):
super(MissingReqSpecInstanceGroupUUIDTestCase, self).setUp()
# Stub out external dependencies.
self.useFixture(nova_fixtures.NeutronFixture(self))
self.useFixture(func_fixtures.PlacementFixture())
fake_image.stub_out_image_service(self)
self.addCleanup(fake_image.FakeImageService_reset)
# Configure the API to allow resizing to the same host so we can keep
# the number of computes down to two in the test.
self.flags(allow_resize_to_same_host=True)
# Start nova controller services.
api_fixture = self.useFixture(
nova_fixtures.OSAPIFixture(api_version='v2.1'))
self.api = api_fixture.admin_api
self.start_service('conductor')
# Use our custom weigher defined above to make sure that we have
# a predictable scheduling sort order.
self.flags(weight_classes=[__name__ + '.HostNameWeigher'],
group='filter_scheduler')
self.start_service('scheduler')
# Start two computes, one where the server will be created and another
# where we'll cold migrate it.
self.addCleanup(fake_virt.restore_nodes)
self.computes = {} # keep track of the compute services per host name
for host in ('host1', 'host2'):
fake_virt.set_nodes([host])
compute_service = self.start_service('compute', host=host)
self.computes[host] = compute_service
def setUp(self):
super(TestEvacuationWithSourceReturningDuringRebuild, self).setUp()
self.useFixture(policy_fixture.RealPolicyFixture())
# The NeutronFixture is needed to stub out validate_networks in API.
self.useFixture(nova_fixtures.NeutronFixture(self))
# This stubs out the network allocation in compute.
fake_network.set_stub_network_methods(self)
# We need the computes reporting into placement for the filter
# scheduler to pick a host.
self.useFixture(func_fixtures.PlacementFixture())
api_fixture = self.useFixture(
nova_fixtures.OSAPIFixture(api_version='v2.1'))
self.api = api_fixture.admin_api
# 2.11 is needed for force_down
# 2.14 is needed for evacuate without onSharedStorage flag
self.api.microversion = '2.14'
# the image fake backend needed for image discovery
nova.tests.unit.image.fake.stub_out_image_service(self)
self.addCleanup(nova.tests.unit.image.fake.FakeImageService_reset)
self.start_service('conductor')
self.start_service('scheduler')
# Start two computes
self.computes = {}
fake.set_nodes(['host1'])
self.addCleanup(fake.restore_nodes)
self.computes['host1'] = self.start_service('compute', host='host1')
fake.set_nodes(['host2'])
self.computes['host2'] = self.start_service('compute', host='host2')
self.image_id = self.api.get_images()[0]['id']
self.flavor_id = self.api.get_flavors()[0]['id']
self.addCleanup(fake_notifier.reset)
# Stub out rebuild with a slower method allowing the src compute to be
# restarted once the migration hits pre-migrating after claiming
# resources on the dest.
manager_class = nova.compute.manager.ComputeManager
original_rebuild = manager_class._do_rebuild_instance
def start_src_rebuild(self_, context, instance, *args, **kwargs):
server = self.api.get_server(instance.uuid)
# Start the src compute once the migration is pre-migrating.
self._wait_for_migration_status(server, ['pre-migrating'])
self.computes.get(self.source_compute).start()
original_rebuild(self_, context, instance, *args, **kwargs)
self.stub_out(
'nova.compute.manager.ComputeManager.'
'_do_rebuild_instance', start_src_rebuild)
def setUp(self):
super(MetadataTest, self).setUp()
self.useFixture(nova_fixtures.GlanceFixture(self))
self.useFixture(nova_fixtures.NeutronFixture(self))
self.useFixture(func_fixtures.PlacementFixture())
self.start_service('conductor')
self.start_service('scheduler')
self.api = self.useFixture(
nova_fixtures.OSAPIFixture(api_version='v2.1')).api
self.start_service('compute')
# create a server for the tests
server = self._build_server(name='test')
server = self.api.post_server({'server': server})
self.server = self._wait_for_state_change(server, 'ACTIVE')
self.api_fixture = self.useFixture(nova_fixtures.OSMetadataServer())
self.md_url = self.api_fixture.md_url
# make sure that the metadata service returns information about the
# server we created above
def fake_get_fixed_ip_by_address(self, ctxt, address):
return {'instance_uuid': server['id']}
self.useFixture(
fixtures.MonkeyPatch(
'nova.network.neutron.API.get_fixed_ip_by_address',
fake_get_fixed_ip_by_address))
def setUp(self):
super(TestResizeWithNoAllocationScheduler, self).setUp()
self.useFixture(policy_fixture.RealPolicyFixture())
self.useFixture(nova_fixtures.NeutronFixture(self))
self.useFixture(func_fixtures.PlacementFixture())
api_fixture = self.useFixture(
nova_fixtures.OSAPIFixture(api_version='v2.1'))
self.api = api_fixture.admin_api
self.api.microversion = self.microversion
nova.tests.unit.image.fake.stub_out_image_service(self)
self.addCleanup(nova.tests.unit.image.fake.FakeImageService_reset)
self.start_service('conductor')
# Create two compute nodes/services.
for host in ('host1', 'host2'):
self.start_service('compute', host=host)
scheduler_service = self.start_service('scheduler')
# We need to mock the FilterScheduler to not use Placement so that
# allocations won't be created during scheduling.
scheduler_service.manager.driver.USES_ALLOCATION_CANDIDATES = False
flavors = self.api.get_flavors()
self.old_flavor = flavors[0]
self.new_flavor = flavors[1]
def setUp(self):
self.flags(compute_driver=self.compute_driver)
super(ProviderUsageBaseTestCase, self).setUp()
self.policy = self.useFixture(policy_fixture.RealPolicyFixture())
self.neutron = self.useFixture(nova_fixtures.NeutronFixture(self))
self.placement = self.useFixture(func_fixtures.PlacementFixture()).api
self.useFixture(nova_fixtures.AllServicesCurrent())
fake_notifier.stub_notifier(self)
self.addCleanup(fake_notifier.reset)
self.api_fixture = self.useFixture(
nova_fixtures.OSAPIFixture(api_version='v2.1'))
self.admin_api = self.api_fixture.admin_api
self.admin_api.microversion = self.microversion
self.api = self.admin_api
# the image fake backend needed for image discovery
self.image_service = (
nova.tests.unit.image.fake.stub_out_image_service(self))
self.start_service('conductor')
self.scheduler_service = self.start_service('scheduler')
self.addCleanup(nova.tests.unit.image.fake.FakeImageService_reset)
def test_create_volume_backed_server_with_zero_disk_allowed(self):
"""Tests that creating a volume-backed server with a zero-root
disk flavor will be allowed for admins.
"""
# For this test, we want to start conductor and the scheduler but
# we don't start compute so that scheduling fails; we don't really
# care about successfully building an active server here.
self.useFixture(func_fixtures.PlacementFixture())
self.useFixture(nova_fixtures.CinderFixture(self))
self.start_service('conductor')
self.start_service('scheduler')
server_req = self._build_minimal_create_server_request(
'test_create_volume_backed_server_with_zero_disk_allowed',
flavor_id=self.zero_disk_flavor['id'])
server_req.pop('imageRef', None)
server_req['block_device_mapping_v2'] = [{
'uuid':
nova_fixtures.CinderFixture.IMAGE_BACKED_VOL,
'source_type':
'volume',
'destination_type':
'volume',
'boot_index':
0
}]
server = self.admin_api.post_server({'server': server_req})
server = self._wait_for_state_change(server, 'ERROR')
self.assertIn('No valid host', server['fault']['message'])
def setUp(self):
super(TestRescheduleWithVolumesAttached, self).setUp()
# Use the new attach flow fixture for cinder
cinder_fixture = nova_fixtures.CinderFixture(self)
self.cinder = self.useFixture(cinder_fixture)
self.useFixture(policy_fixture.RealPolicyFixture())
self.useFixture(nova_fixtures.NeutronFixture(self))
fake_network.set_stub_network_methods(self)
self.useFixture(func_fixtures.PlacementFixture())
api_fixture = self.useFixture(
nova_fixtures.OSAPIFixture(api_version='v2.1'))
self.api = api_fixture.admin_api
nova.tests.unit.image.fake.stub_out_image_service(self)
self.addCleanup(nova.tests.unit.image.fake.FakeImageService_reset)
self.flags(compute_driver='fake.FakeRescheduleDriver')
self.start_service('conductor')
self.start_service('scheduler')
# Start two computes to allow the instance to be rescheduled
self.host1 = self.start_service('compute', host='host1')
self.host2 = self.start_service('compute', host='host2')
self.image_id = self.api.get_images()[0]['id']
self.flavor_id = self.api.get_flavors()[0]['id']
def setUp(self):
super(TestAvailabilityZoneScheduling, self).setUp()
self.useFixture(policy_fixture.RealPolicyFixture())
self.useFixture(nova_fixtures.NeutronFixture(self))
self.useFixture(func_fixtures.PlacementFixture())
api_fixture = self.useFixture(
nova_fixtures.OSAPIFixture(api_version='v2.1'))
self.api = api_fixture.admin_api
self.api.microversion = 'latest'
fake_image.stub_out_image_service(self)
self.addCleanup(fake_image.FakeImageService_reset)
self.start_service('conductor')
self.start_service('scheduler')
# Start two compute services in separate zones.
self._start_host_in_zone('host1', 'zone1')
self._start_host_in_zone('host2', 'zone2')
flavors = self.api.get_flavors()
self.flavor1 = flavors[0]['id']
self.flavor2 = flavors[1]['id']
def setUp(self):
super(ColdMigrateTargetHostThenLiveMigrateTest, self).setUp()
self.useFixture(policy_fixture.RealPolicyFixture())
self.useFixture(nova_fixtures.NeutronFixture(self))
self.useFixture(func_fixtures.PlacementFixture())
api_fixture = self.useFixture(
nova_fixtures.OSAPIFixture(api_version='v2.1'))
# The admin API is used to get the server details to verify the
# host on which the server was built and cold/live migrate it.
self.admin_api = api_fixture.admin_api
self.api = api_fixture.api
# Use the latest microversion available to make sure something does
# not regress in new microversions; cap as necessary.
self.admin_api.microversion = 'latest'
self.api.microversion = 'latest'
image_fake.stub_out_image_service(self)
self.addCleanup(image_fake.FakeImageService_reset)
self.start_service('conductor')
self.start_service('scheduler')
for host in ('host1', 'host2'):
self.start_service('compute', host=host)
def setUp(self):
super(AntiAffinityMultiCreateRequest, self).setUp()
self.useFixture(policy_fixture.RealPolicyFixture())
self.glance = self.useFixture(nova_fixtures.GlanceFixture(self))
self.useFixture(nova_fixtures.NeutronFixture(self))
self.useFixture(func_fixtures.PlacementFixture())
api_fixture = self.useFixture(
nova_fixtures.OSAPIFixture(api_version='v2.1'))
# The admin API is used to get the server details to verify the
# host on which the server was built.
self.admin_api = api_fixture.admin_api
self.api = api_fixture.api
self.start_service('conductor')
# Use the latest microversion available to make sure something does
# not regress in new microversions; cap as necessary.
self.admin_api.microversion = 'latest'
self.api.microversion = 'latest'
self.useFixture(nova_fixtures.HostNameWeigherFixture())
# disable late check on compute node to mimic devstack.
self.flags(disable_group_policy_check_upcall=True, group='workarounds')
self.start_service('scheduler')
self.start_service('compute', host='host1')
self.start_service('compute', host='host2')
def setUp(self):
super(TestParallelEvacuationWithServerGroup, self).setUp()
self.useFixture(policy_fixture.RealPolicyFixture())
# The NeutronFixture is needed to stub out validate_networks in API.
self.useFixture(nova_fixtures.NeutronFixture(self))
# This stubs out the network allocation in compute.
fake_network.set_stub_network_methods(self)
# We need the computes reporting into placement for the filter
# scheduler to pick a host.
self.useFixture(func_fixtures.PlacementFixture())
api_fixture = self.useFixture(nova_fixtures.OSAPIFixture(
api_version='v2.1'))
self.api = api_fixture.admin_api
# 2.11 is needed for force_down
# 2.14 is needed for evacuate without onSharedStorage flag
self.api.microversion = '2.14'
fake_notifier.stub_notifier(self)
self.addCleanup(fake_notifier.reset)
# the image fake backend needed for image discovery
nova.tests.unit.image.fake.stub_out_image_service(self)
self.addCleanup(nova.tests.unit.image.fake.FakeImageService_reset)
self.start_service('conductor')
self.start_service('scheduler')
# We start two compute services because we need two instances with
# anti-affinity server group policy to be booted
self.compute1 = self.start_service('compute', host='host1')
self.compute2 = self.start_service('compute', host='host2')
self.image_id = self.api.get_images()[0]['id']
self.flavor_id = self.api.get_flavors()[0]['id']
manager_class = nova.compute.manager.ComputeManager
original_rebuild = manager_class._do_rebuild_instance
def fake_rebuild(self_, context, instance, *args, **kwargs):
# Simulate that the rebuild request of one of the instances
# reaches the target compute manager significantly later so the
# rebuild of the other instance can finish before the late
# validation of the first rebuild.
# We cannot simply delay the virt driver's rebuild or the
# manager's _rebuild_default_impl as those run after the late
# validation
if instance.host == 'host1':
# wait for the other instance rebuild to start
fake_notifier.wait_for_versioned_notifications(
'instance.rebuild.start', n_events=1)
original_rebuild(self_, context, instance, *args, **kwargs)
self.stub_out('nova.compute.manager.ComputeManager.'
'_do_rebuild_instance', fake_rebuild)
def setUp(self):
super(TestListServersIpFilter, self).setUp()
self.useFixture(policy_fixture.RealPolicyFixture())
self.neutron = self.useFixture(
nova_fixtures.NeutronFixture(self))
# Add a 2nd port to the neutron fixture to have multiple ports
self.neutron.create_port({'port': self.neutron.port_2})
api_fixture = self.useFixture(nova_fixtures.OSAPIFixture(
api_version='v2.1'))
self.api = api_fixture.api
# the image fake backend needed for image discovery
nova.tests.unit.image.fake.stub_out_image_service(self)
self.useFixture(func_fixtures.PlacementFixture())
self.start_service('conductor')
self.flags(enabled_filters=['ComputeFilter'],
group='filter_scheduler')
self.start_service('scheduler')
self.start_service('compute')
self.useFixture(cast_as_call.CastAsCall(self))
self.image_id = self.api.get_images()[0]['id']
self.flavor_id = self.api.get_flavors()[0]['id']
def setUp(self):
super(ServersTestBase, self).setUp()
# Replace libvirt with fakelibvirt
self.useFixture(fake_imagebackend.ImageBackendFixture())
self.useFixture(fixtures.MonkeyPatch(
'nova.virt.libvirt.driver.libvirt',
fakelibvirt))
self.useFixture(fixtures.MonkeyPatch(
'nova.virt.libvirt.host.libvirt',
fakelibvirt))
self.useFixture(fixtures.MonkeyPatch(
'nova.virt.libvirt.guest.libvirt',
fakelibvirt))
self.useFixture(fakelibvirt.FakeLibvirtFixture())
self.useFixture(func_fixtures.PlacementFixture())
self.stub_out('nova.privsep.utils.supports_direct_io', lambda _: True)
# Mock the 'get_connection' function, as we're going to need to provide
# custom capabilities for each test
_p = mock.patch('nova.virt.libvirt.host.Host.get_connection')
self.mock_conn = _p.start()
self.addCleanup(_p.stop)
# As above, mock the 'get_arch' function as we may need to provide
# different host architectures during some tests.
_a = mock.patch('nova.virt.libvirt.utils.get_arch')
self.mock_arch = _a.start()
# Default to X86_64
self.mock_arch.return_value = obj_fields.Architecture.X86_64
self.addCleanup(_a.stop)
def setUp(self):
super(NotificationSampleTestBase, self).setUp()
api_fixture = self.useFixture(
nova_fixtures.OSAPIFixture(api_version='v2.1'))
self.api = api_fixture.api
self.admin_api = api_fixture.admin_api
max_version = self.MAX_MICROVERSION
self.api.microversion = max_version
self.admin_api.microversion = max_version
fake_notifier.stub_notifier(self)
self.addCleanup(fake_notifier.reset)
self.useFixture(utils_fixture.TimeFixture(test_services.fake_utcnow()))
self.useFixture(nova_fixtures.GlanceFixture(self))
self.useFixture(func_fixtures.PlacementFixture())
context_patcher = self.mock_gen_request_id = mock.patch(
'oslo_context.context.generate_request_id',
return_value='req-5b6c791d-5709-4f36-8fbe-c3e02869e35d')
self.mock_gen_request_id = context_patcher.start()
self.addCleanup(context_patcher.stop)
self.start_service('conductor')
self.start_service('scheduler')
self.compute = self.start_service('compute')
# Reset the service create notifications
fake_notifier.reset()
def setUp(self):
super(AntiAffinityMultiCreateRequest, self).setUp()
self.useFixture(policy_fixture.RealPolicyFixture())
self.useFixture(nova_fixtures.NeutronFixture(self))
self.useFixture(func_fixtures.PlacementFixture())
api_fixture = self.useFixture(
nova_fixtures.OSAPIFixture(api_version='v2.1'))
# The admin API is used to get the server details to verify the
# host on which the server was built.
self.admin_api = api_fixture.admin_api
self.api = api_fixture.api
image_fake.stub_out_image_service(self)
self.addCleanup(image_fake.FakeImageService_reset)
self.start_service('conductor')
# Use the latest microversion available to make sure something does
# not regress in new microversions; cap as necessary.
self.admin_api.microversion = 'latest'
self.api.microversion = 'latest'
# Add our custom weigher.
self.flags(weight_classes=[__name__ + '.HostNameWeigher'],
group='filter_scheduler')
# disable late check on compute node to mimic devstack.
self.flags(disable_group_policy_check_upcall=True, group='workarounds')
self.start_service('scheduler')
fake.set_nodes(['host1'])
self.addCleanup(fake.restore_nodes)
self.start_service('compute', host='host1')
fake.set_nodes(['host2'])
self.start_service('compute', host='host2')
def setUp(self):
super(NonPersistentFieldNotResetTest, self).setUp()
self.useFixture(policy_fixture.RealPolicyFixture())
self.useFixture(nova_fixtures.NeutronFixture(self))
self.useFixture(func_fixtures.PlacementFixture())
api_fixture = self.useFixture(
nova_fixtures.OSAPIFixture(api_version='v2.1'))
self.api = api_fixture.admin_api
# Use the latest microversion available to make sure something does
# not regress in new microversions; cap as necessary.
self.api.microversion = 'latest'
image_fake.stub_out_image_service(self)
self.addCleanup(image_fake.FakeImageService_reset)
self.start_service('conductor')
self.start_service('scheduler')
self.compute = {}
self.addCleanup(fake.restore_nodes)
for host in ('host1', 'host2', 'host3'):
fake.set_nodes([host])
compute_service = self.start_service('compute', host=host)
self.compute.update({host: compute_service})
self.ctxt = context.get_admin_context()
def setUp(self):
super(TestBootFromVolumeIsolatedHostsFilter, self).setUp()
self.useFixture(policy_fixture.RealPolicyFixture())
self.useFixture(nova_fixtures.NeutronFixture(self))
self.useFixture(nova_fixtures.CinderFixture(self))
self.useFixture(func_fixtures.PlacementFixture())
api_fixture = self.useFixture(
nova_fixtures.OSAPIFixture(api_version='v2.1'))
self.api = api_fixture.admin_api
image_fakes.stub_out_image_service(self)
self.addCleanup(image_fakes.FakeImageService_reset)
self.start_service('conductor')
# Add the IsolatedHostsFilter to the list of enabled filters since it
# is not enabled by default.
enabled_filters = CONF.filter_scheduler.enabled_filters
enabled_filters.append('IsolatedHostsFilter')
self.flags(
enabled_filters=enabled_filters,
isolated_images=[image_fakes.AUTO_DISK_CONFIG_ENABLED_IMAGE_UUID],
isolated_hosts=['host1'],
restrict_isolated_hosts_to_isolated_images=True,
group='filter_scheduler')
self.start_service('scheduler')
# Create two compute nodes/services so we can restrict the image
# we'll use to one of the hosts.
for host in ('host1', 'host2'):
self.start_service('compute', host=host)
def setUp(self):
super(SchedulerOnlyChecksTargetTest, self).setUp()
self.useFixture(policy_fixture.RealPolicyFixture())
# The NeutronFixture is needed to stub out validate_networks in API.
self.flags(use_neutron=True)
self.useFixture(nova_fixtures.NeutronFixture(self))
# We need the computes reporting into placement for the filter
# scheduler to pick a host.
self.useFixture(func_fixtures.PlacementFixture())
api_fixture = self.useFixture(
nova_fixtures.OSAPIFixture(api_version='v2.1'))
# The admin API is used to get the server details to verify the
# host on which the server was built.
self.admin_api = api_fixture.admin_api
self.api = api_fixture.api
# the image fake backend needed for image discovery
image_fake.stub_out_image_service(self)
self.addCleanup(image_fake.FakeImageService_reset)
self.start_service('conductor')
# We have to get the image before we use 2.latest otherwise we'll get
# a 404 on the /images proxy API because of 2.36.
self.image_id = self.api.get_images()[0]['id']
# Use the latest microversion available to make sure something does
# not regress in new microversions; cap as necessary.
self.admin_api.microversion = 'latest'
self.api.microversion = 'latest'
# Define a very basic scheduler that only verifies if host is down.
self.flags(enabled_filters=['ComputeFilter'], group='filter_scheduler')
# NOTE(sbauza): Use the above weigher so we are sure that
# we prefer first host1 for the boot request and forget about any
# other weigher.
# Host2 should only be preferred over host3 if and only if that's the
# only host we verify (as requested_destination does).
self.flags(weight_classes=[__name__ + '.HostNameWeigher'],
group='filter_scheduler')
self.start_service('scheduler')
# Let's now start three compute nodes as we said above.
# set_nodes() is needed to have each compute service return a
# different nodename, so we get two hosts in the list of candidates
# for scheduling. Otherwise both hosts will have the same default
# nodename "fake-mini". The host passed to start_service controls the
# "host" attribute and set_nodes() sets the "nodename" attribute.
# We set_nodes() to make host and nodename the same for each compute.
fake.set_nodes(['host1'])
self.addCleanup(fake.restore_nodes)
self.start_service('compute', host='host1')
fake.set_nodes(['host2'])
self.start_service('compute', host='host2')
fake.set_nodes(['host3'])
self.start_service('compute', host='host3')
self.useFixture(cast_as_call.CastAsCall(self))
def setUp(self):
super(ServersTestBase, self).setUp()
# Replace libvirt with fakelibvirt
self.useFixture(fake_imagebackend.ImageBackendFixture())
self.useFixture(
fixtures.MonkeyPatch('nova.virt.libvirt.driver.libvirt_utils',
fake_libvirt_utils))
self.useFixture(
fixtures.MonkeyPatch('nova.virt.libvirt.driver.libvirt',
fakelibvirt))
self.useFixture(
fixtures.MonkeyPatch('nova.virt.libvirt.host.libvirt',
fakelibvirt))
self.useFixture(
fixtures.MonkeyPatch('nova.virt.libvirt.guest.libvirt',
fakelibvirt))
self.useFixture(fakelibvirt.FakeLibvirtFixture())
self.useFixture(func_fixtures.PlacementFixture())
self.stub_out('nova.privsep.utils.supports_direct_io', lambda _: True)
# Mock the 'get_connection' function, as we're going to need to provide
# custom capabilities for each test
_p = mock.patch('nova.virt.libvirt.host.Host.get_connection')
self.mock_conn = _p.start()
self.addCleanup(_p.stop)
def setUp(self):
super(FailedEvacuateStateTests, self).setUp()
self.useFixture(policy_fixture.RealPolicyFixture())
self.useFixture(nova_fixtures.NeutronFixture(self))
self.useFixture(func_fixtures.PlacementFixture())
api_fixture = self.useFixture(
nova_fixtures.OSAPIFixture(api_version='v2.1'))
self.api = api_fixture.admin_api
self.api.microversion = self.microversion
nova.tests.unit.image.fake.stub_out_image_service(self)
self.start_service('conductor')
self.start_service('scheduler')
self.addCleanup(nova.tests.unit.image.fake.FakeImageService_reset)
self.hostname = 'host1'
self.compute1 = self.start_service('compute', host=self.hostname)
fake_network.set_stub_network_methods(self)
flavors = self.api.get_flavors()
self.flavor1 = flavors[0]
def setUp(self):
super(TestLocalDeleteAttachedVolumes, self).setUp()
self.useFixture(policy_fixture.RealPolicyFixture())
# We need the CinderFixture to stub out the volume API.
self.cinder = self.useFixture(
nova_fixtures.CinderFixtureNewAttachFlow(self))
# The NeutronFixture is needed to stub out validate_networks in API.
self.useFixture(nova_fixtures.NeutronFixture(self))
# Use the PlacementFixture to avoid annoying warnings in the logs.
self.useFixture(func_fixtures.PlacementFixture())
api_fixture = self.useFixture(
nova_fixtures.OSAPIFixture(api_version='v2.1'))
self.api = api_fixture.api
# We want to use 2.37 for passing networks='none' on server create.
# We also need this since you can only attach a volume to a
# shelved-offloaded server in microversion 2.20+.
self.api.microversion = 'latest'
# the image fake backend needed for image discovery
nova.tests.unit.image.fake.stub_out_image_service(self)
self.start_service('conductor')
self.start_service('scheduler')
self.start_service('compute')
# The consoleauth service is needed for deleting console tokens.
self.start_service('consoleauth')
self.useFixture(cast_as_call.CastAsCall(self))
self.flavor_id = self.api.get_flavors()[0]['id']
def setUp(self):
super(TestBootFromVolumeIsolatedHostsFilter, self).setUp()
self.useFixture(policy_fixture.RealPolicyFixture())
self.useFixture(nova_fixtures.NeutronFixture(self))
self.glance = self.useFixture(nova_fixtures.GlanceFixture(self))
self.useFixture(nova_fixtures.CinderFixture(self))
self.useFixture(func_fixtures.PlacementFixture())
api_fixture = self.useFixture(
nova_fixtures.OSAPIFixture(api_version='v2.1'))
self.api = api_fixture.admin_api
self.start_service('conductor')
# Add the IsolatedHostsFilter to the list of enabled filters since it
# is not enabled by default.
enabled_filters = CONF.filter_scheduler.enabled_filters
enabled_filters.append('IsolatedHostsFilter')
self.flags(
enabled_filters=enabled_filters,
isolated_images=[self.glance.auto_disk_config_enabled_image['id']],
isolated_hosts=['host1'],
restrict_isolated_hosts_to_isolated_images=True,
group='filter_scheduler')
self.start_service('scheduler')
# Create two compute nodes/services so we can restrict the image
# we'll use to one of the hosts.
for host in ('host1', 'host2'):
self.start_service('compute', host=host)
def setUp(self):
super(CrossAZAttachTestCase, self).setUp()
# Use the standard fixtures.
self.useFixture(policy_fixture.RealPolicyFixture())
self.useFixture(nova_fixtures.CinderFixture(self, az=self.az))
self.useFixture(nova_fixtures.NeutronFixture(self))
self.useFixture(func_fixtures.PlacementFixture())
fake_image.stub_out_image_service(self)
self.addCleanup(fake_image.FakeImageService_reset)
# Start nova controller services.
self.api = self.useFixture(
nova_fixtures.OSAPIFixture(api_version='v2.1')).admin_api
self.start_service('conductor')
self.start_service('scheduler')
# Start one compute service and add it to the AZ. This allows us to
# get past the AvailabilityZoneFilter and build a server.
self.start_service('compute', host='host1')
agg_id = self.api.post_aggregate(
{'aggregate': {
'name': self.az,
'availability_zone': self.az
}})['id']
self.api.api_post('/os-aggregates/%s/action' % agg_id,
{'add_host': {
'host': 'host1'
}})
def setUp(self):
super(InstanceListWithDeletedServicesTestCase, self).setUp()
self.useFixture(policy_fixture.RealPolicyFixture())
# The NeutronFixture is needed to stub out validate_networks in API.
self.useFixture(nova_fixtures.NeutronFixture(self))
# We need the computes reporting into placement for the filter
# scheduler to pick a host.
self.useFixture(func_fixtures.PlacementFixture())
api_fixture = self.useFixture(
nova_fixtures.OSAPIFixture(api_version='v2.1'))
self.api = api_fixture.api
self.admin_api = api_fixture.admin_api
self.admin_api.microversion = 'latest'
# the image fake backend needed for image discovery
fake_image.stub_out_image_service(self)
self.addCleanup(fake_image.FakeImageService_reset)
# Get the image before we set the microversion to latest to avoid
# the proxy issues with GET /images in 2.36.
self.image_id = self.api.get_images()[0]['id']
self.api.microversion = 'latest'
self.start_service('conductor')
self.start_service('scheduler')
def setUp(self):
super(TestRescheduleWithServerGroup, self).setUp()
self.useFixture(policy_fixture.RealPolicyFixture())
# The NeutronFixture is needed to stub out validate_networks in API.
self.useFixture(nova_fixtures.NeutronFixture(self))
# This stubs out the network allocation in compute.
fake_network.set_stub_network_methods(self)
# We need the computes reporting into placement for the filter
# scheduler to pick a host.
self.useFixture(func_fixtures.PlacementFixture())
api_fixture = self.useFixture(
nova_fixtures.OSAPIFixture(api_version='v2.1'))
self.api = api_fixture.api
# The admin API is used to get the server details to verify the
# host on which the server was built.
self.admin_api = api_fixture.admin_api
# the image fake backend needed for image discovery
nova.tests.unit.image.fake.stub_out_image_service(self)
self.addCleanup(nova.tests.unit.image.fake.FakeImageService_reset)
self.start_service('conductor')
self.start_service('scheduler')
# We start two compute services because we're going to fake one raising
# RescheduledException to trigger a retry to the other compute host.
fake.set_nodes(['host1'])
self.addCleanup(fake.restore_nodes)
self.start_service('compute', host='host1')
fake.set_nodes(['host2'])
self.addCleanup(fake.restore_nodes)
self.start_service('compute', host='host2')
self.image_id = self.api.get_images()[0]['id']
self.flavor_id = self.api.get_flavors()[0]['id']
# This is our flag that we set when we hit the first host and
# made it fail.
self.failed_host = None
self.attempts = 0
def fake_validate_instance_group_policy(_self, *args, **kwargs):
self.attempts += 1
if self.failed_host is None:
# Set the failed_host value to the ComputeManager.host value.
self.failed_host = _self.host
raise exception.RescheduledException(instance_uuid='fake',
reason='Policy violated')
self.stub_out(
'nova.compute.manager.ComputeManager.'
'_validate_instance_group_policy',
fake_validate_instance_group_policy)
def setUp(self):
super(BootFromVolumeLargeRequestTest, self).setUp()
self.useFixture(policy_fixture.RealPolicyFixture())
self.useFixture(nova_fixtures.NeutronFixture(self))
self.glance = self.useFixture(nova_fixtures.GlanceFixture(self))
self.useFixture(nova_fixtures.CinderFixture(self))
self.useFixture(func_fixtures.PlacementFixture())
self.api = self.useFixture(
nova_fixtures.OSAPIFixture(api_version='v2.1')).admin_api
