def _setup_fakelibvirt(self):
# So that the _supports_direct_io does the test based
# on the current working directory, instead of the
# default instances_path which doesn't exist
self.flags(instances_path=self.useFixture(fixtures.TempDir()).path)
# Put fakelibvirt in place
if 'libvirt' in sys.modules:
self.saved_libvirt = sys.modules['libvirt']
else:
self.saved_libvirt = None
self.useFixture(nova_fixtures.OSBrickFixture())
self.useFixture(nova_fixtures.LibvirtImageBackendFixture())
self.useFixture(nova_fixtures.LibvirtFixture())
self.useFixture(
fixtures.MonkeyPatch(
'nova.virt.libvirt.host.Host._conn_event_thread',
lambda *args: None))
self.flags(rescue_image_id="2",
rescue_kernel_id="3",
rescue_ramdisk_id=None,
snapshots_directory='./',
sysinfo_serial='none',
group='libvirt')
def fake_wait():
pass
def fake_detach_device_with_retry(_self, get_device_conf_func, device,
live, *args, **kwargs):
# Still calling detach, but instead of returning function
# that actually checks if device is gone from XML, just continue
# because XML never gets updated in these tests
_self.detach_device(get_device_conf_func(device), live=live)
return fake_wait
self.stub_out(
'nova.virt.libvirt.driver.LibvirtDriver.'
'_get_instance_disk_info_from_config',
lambda self, guest_config, block_device_info: [])
self.stub_out('nova.virt.disk.api.extend', lambda image, size: None)
self.stub_out(
'nova.virt.libvirt.driver.LibvirtDriver.'
'delete_instance_files', lambda self, instance: None)
self.stub_out('nova.virt.libvirt.guest.Guest.detach_device_with_retry',
fake_detach_device_with_retry)
self.stub_out('nova.virt.libvirt.guest.Guest.migrate',
lambda self, destination, migrate_uri=None, migrate_disks
=None, destination_xml=None, flags=0, bandwidth=0: None)
# We can't actually make a config drive v2 because ensure_tree has
# been faked out
self.stub_out('nova.virt.configdrive.ConfigDriveBuilder.make_drive',
lambda self, path: None)
def setUp(self):
super(VPMEMTestBase, self).setUp()
self.flags(pmem_namespaces="4GB:ns_0,SMALL:ns_1|ns_2",
group='libvirt')
self.fake_pmem_namespaces = '''
[{"dev":"namespace0.0",
"mode":"devdax",
"map":"mem",
"size":4292870144,
"uuid":"24ffd5e4-2b39-4f28-88b3-d6dc1ec44863",
"daxregion":{"id": 0, "size": 4292870144,"align": 2097152,
"devices":[{"chardev":"dax0.0",
"size":4292870144}]},
"name":"ns_0",
"numa_node":0},
{"dev":"namespace0.1",
"mode":"devdax",
"map":"mem",
"size":4292870144,
"uuid":"ac64fe52-de38-465b-b32b-947a6773ac66",
"daxregion":{"id": 0, "size": 4292870144,"align": 2097152,
"devices":[{"chardev":"dax0.1",
"size":4292870144}]},
"name":"ns_1",
"numa_node":0},
{"dev":"namespace0.2",
"mode":"devdax",
"map":"mem",
"size":4292870144,
"uuid":"2ff41eba-db9c-4bb9-a959-31d992568a3e",
"raw_uuid":"0b61823b-5668-4856-842d-c644dae83410",
"daxregion":{"id":0, "size":4292870144, "align":2097152,
"devices":[{"chardev":"dax0.2",
"size":4292870144}]},
"name":"ns_2",
"numa_node":0}]'''
self.useFixture(fixtures.MockPatch(
'nova.privsep.libvirt.cleanup_vpmem'))
self.useFixture(fixtures.MockPatch(
'nova.privsep.libvirt.get_pmem_namespaces',
return_value=self.fake_pmem_namespaces))
self.useFixture(nova_fixtures.LibvirtImageBackendFixture())
self.useFixture(fixtures.MockPatch(
'nova.virt.libvirt.LibvirtDriver._get_local_gb_info',
return_value={'total': 128,
'used': 44,
'free': 84}))
self.mock_conn = self.useFixture(fixtures.MockPatch(
'nova.virt.libvirt.host.Host._get_new_connection')).mock
def setUp(self):
self.flags(instances_path=self.useFixture(fixtures.TempDir()).path)
self.computes = {}
self.compute_rp_uuids = {}
super(ServersTestBase, self).setUp()
self.useFixture(nova_fixtures.LibvirtImageBackendFixture())
self.useFixture(nova_fixtures.LibvirtFixture())
self.useFixture(nova_fixtures.OSBrickFixture())
self.useFixture(
fixtures.MockPatch('nova.virt.libvirt.LibvirtDriver._create_image',
return_value=(False, False)))
self.useFixture(
fixtures.MockPatch(
'nova.virt.libvirt.LibvirtDriver._get_local_gb_info',
return_value={
'total': 128,
'used': 44,
'free': 84
}))
self.useFixture(
fixtures.MockPatch(
'nova.virt.libvirt.driver.libvirt_utils.is_valid_hostname',
return_value=True))
self.useFixture(
fixtures.MockPatch(
'nova.virt.libvirt.driver.libvirt_utils.file_open',
side_effect=lambda *a, **k: io.BytesIO(b'')))
self.useFixture(
fixtures.MockPatch('nova.privsep.utils.supports_direct_io',
return_value=True))
self.useFixture(
fixtures.MockPatch('nova.virt.libvirt.host.Host.get_online_cpus',
return_value=set(range(16))))
# 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)