# vim: tabstop=4 shiftwidth=4 softtabstop=4 # # Copyright 2010 OpenStack Foundation # Copyright 2012 University Of Minho # # Licensed under the Apache License, Version 2.0 (the "License"); you may # not use this file except in compliance with the License. You may obtain # a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the # License for the specific language governing permissions and limitations # under the License. import contextlib import copy import errno import eventlet import fixtures import functools import mox import os import re import shutil import tempfile from eventlet import greenthread from lxml import etree import mock from oslo.config import cfg from xml.dom import minidom from nova.api.ec2 import cloud from nova.compute import flavors from nova.compute import power_state from nova.compute import task_states from nova.compute import vm_mode from nova.compute import vm_states from nova import context from nova import db from nova import exception from nova.objects import instance as instance_obj from nova.openstack.common import fileutils from nova.openstack.common import importutils from nova.openstack.common import jsonutils from nova.openstack.common import loopingcall from nova.openstack.common import processutils from nova.openstack.common import uuidutils from nova.pci import pci_manager from nova import test from nova.tests import fake_network import nova.tests.image.fake from nova.tests import matchers from nova.tests.objects import test_pci_device from nova.tests.virt.libvirt import fake_libvirt_utils from nova import utils from nova import version from nova.virt.disk import api as disk from nova.virt import driver from nova.virt import event as virtevent from nova.virt import fake from nova.virt import firewall as base_firewall from nova.virt import images from nova.virt.libvirt import blockinfo from nova.virt.libvirt import config as vconfig from nova.virt.libvirt import driver as libvirt_driver from nova.virt.libvirt import firewall from nova.virt.libvirt import imagebackend from nova.virt.libvirt import utils as libvirt_utils from nova.virt import netutils try: import libvirt except ImportError: import nova.tests.virt.libvirt.fakelibvirt as libvirt libvirt_driver.libvirt = libvirt CONF = cfg.CONF CONF.import_opt('compute_manager', 'nova.service') CONF.import_opt('host', 'nova.netconf') CONF.import_opt('my_ip', 'nova.netconf') CONF.import_opt('base_dir_name', 'nova.virt.libvirt.imagecache') CONF.import_opt('instances_path', 'nova.compute.manager') _fake_network_info = fake_network.fake_get_instance_nw_info _fake_stub_out_get_nw_info = fake_network.stub_out_nw_api_get_instance_nw_info _ipv4_like = fake_network.ipv4_like _fake_NodeDevXml = \ {"pci_0000_04_00_3": """ pci_0000_04_00_3 pci_0000_00_01_1 igb 0 4 0 3 I350 Gigabit Network Connection Intel Corporation

""", "pci_0000_04_10_7": """ pci_0000_04_10_7 pci_0000_00_01_1 igbvf 0 4 16 7 I350 Ethernet Controller Virtual Function Intel Corporation

"""} def mocked_bdm(id, bdm_info): bdm_mock = mock.MagicMock() bdm_mock.__getitem__ = lambda s, k: bdm_info[k] bdm_mock.get = lambda *k, **kw: bdm_info.get(*k, **kw) bdm_mock.id = id return bdm_mock def _concurrency(signal, wait, done, target): signal.send() wait.wait() done.send() class FakeVirDomainSnapshot(object): def __init__(self, dom=None): self.dom = dom def delete(self, flags): pass class FakeVirtDomain(object): def __init__(self, fake_xml=None, uuidstr=None): self.uuidstr = uuidstr if fake_xml: self._fake_dom_xml = fake_xml else: self._fake_dom_xml = """ """ def name(self): return "fake-domain %s" % self def info(self): return [power_state.RUNNING, None, None, None, None] def create(self): pass def managedSave(self, *args): pass def createWithFlags(self, launch_flags): pass def XMLDesc(self, *args): return self._fake_dom_xml def UUIDString(self): return self.uuidstr def attachDeviceFlags(self, xml, flags): pass def detachDeviceFlags(self, xml, flags): pass def snapshotCreateXML(self, xml, flags): pass def blockCommit(self, disk, base, top, bandwidth=0, flags=0): pass def blockRebase(self, disk, base, bandwidth=0, flags=0): pass def blockJobInfo(self, path, flags): pass class CacheConcurrencyTestCase(test.TestCase): def setUp(self): super(CacheConcurrencyTestCase, self).setUp() self.flags(instances_path=self.useFixture(fixtures.TempDir()).path) # utils.synchronized() will create the lock_path for us if it # doesn't already exist. It will also delete it when it's done, # which can cause race conditions with the multiple threads we # use for tests. So, create the path here so utils.synchronized() # won't delete it out from under one of the threads. self.lock_path = os.path.join(CONF.instances_path, 'locks') fileutils.ensure_tree(self.lock_path) def fake_exists(fname): basedir = os.path.join(CONF.instances_path, CONF.base_dir_name) if fname == basedir or fname == self.lock_path: return True return False def fake_execute(*args, **kwargs): pass def fake_extend(image, size, use_cow=False): pass self.stubs.Set(os.path, 'exists', fake_exists) self.stubs.Set(utils, 'execute', fake_execute) self.stubs.Set(imagebackend.disk, 'extend', fake_extend) self.useFixture(fixtures.MonkeyPatch( 'nova.virt.libvirt.imagebackend.libvirt_utils', fake_libvirt_utils)) def test_same_fname_concurrency(self): # Ensures that the same fname cache runs at a sequentially. uuid = uuidutils.generate_uuid() backend = imagebackend.Backend(False) wait1 = eventlet.event.Event() done1 = eventlet.event.Event() sig1 = eventlet.event.Event() thr1 = eventlet.spawn(backend.image({'name': 'instance', 'uuid': uuid}, 'name').cache, _concurrency, 'fname', None, signal=sig1, wait=wait1, done=done1) eventlet.sleep(0) # Thread 1 should run before thread 2. sig1.wait() wait2 = eventlet.event.Event() done2 = eventlet.event.Event() sig2 = eventlet.event.Event() thr2 = eventlet.spawn(backend.image({'name': 'instance', 'uuid': uuid}, 'name').cache, _concurrency, 'fname', None, signal=sig2, wait=wait2, done=done2) wait2.send() eventlet.sleep(0) try: self.assertFalse(done2.ready()) finally: wait1.send() done1.wait() eventlet.sleep(0) self.assertTrue(done2.ready()) # Wait on greenthreads to assert they didn't raise exceptions # during execution thr1.wait() thr2.wait() def test_different_fname_concurrency(self): # Ensures that two different fname caches are concurrent. uuid = uuidutils.generate_uuid() backend = imagebackend.Backend(False) wait1 = eventlet.event.Event() done1 = eventlet.event.Event() sig1 = eventlet.event.Event() thr1 = eventlet.spawn(backend.image({'name': 'instance', 'uuid': uuid}, 'name').cache, _concurrency, 'fname2', None, signal=sig1, wait=wait1, done=done1) eventlet.sleep(0) # Thread 1 should run before thread 2. sig1.wait() wait2 = eventlet.event.Event() done2 = eventlet.event.Event() sig2 = eventlet.event.Event() thr2 = eventlet.spawn(backend.image({'name': 'instance', 'uuid': uuid}, 'name').cache, _concurrency, 'fname1', None, signal=sig2, wait=wait2, done=done2) eventlet.sleep(0) # Wait for thread 2 to start. sig2.wait() wait2.send() tries = 0 while not done2.ready() and tries < 10: eventlet.sleep(0) tries += 1 try: self.assertTrue(done2.ready()) finally: wait1.send() eventlet.sleep(0) # Wait on greenthreads to assert they didn't raise exceptions # during execution thr1.wait() thr2.wait() class FakeVolumeDriver(object): def __init__(self, *args, **kwargs): pass def attach_volume(self, *args): pass def detach_volume(self, *args): pass def get_xml(self, *args): return "" def connect_volume(self, *args): """Connect the volume to a fake device.""" conf = vconfig.LibvirtConfigGuestDisk() conf.source_type = "network" conf.source_protocol = "fake" conf.source_name = "fake" conf.target_dev = "fake" conf.target_bus = "fake" return conf class FakeConfigGuestDisk(object): def __init__(self, *args, **kwargs): self.source_type = None self.driver_cache = None class FakeConfigGuest(object): def __init__(self, *args, **kwargs): self.driver_cache = None class FakeNodeDevice(object): def __init__(self, fakexml): self.xml = fakexml def XMLDesc(self, *args): return self.xml class LibvirtConnTestCase(test.TestCase): def setUp(self): super(LibvirtConnTestCase, self).setUp() self.useFixture(test.SampleNetworks()) self.flags(fake_call=True) self.user_id = 'fake' self.project_id = 'fake' self.context = context.get_admin_context() temp_dir = self.useFixture(fixtures.TempDir()).path self.flags(instances_path=temp_dir) self.flags(libvirt_snapshots_directory=temp_dir) self.useFixture(fixtures.MonkeyPatch( 'nova.virt.libvirt.driver.libvirt_utils', fake_libvirt_utils)) # Force libvirt to return a host UUID that matches the serial in # nova.tests.fakelibvirt. This is necessary because the host UUID # returned by libvirt becomes the serial whose value is checked for in # test_xml_and_uri_* below. self.useFixture(fixtures.MonkeyPatch( 'nova.virt.libvirt.driver.LibvirtDriver.get_host_uuid', lambda _: 'cef19ce0-0ca2-11df-855d-b19fbce37686')) self.useFixture(fixtures.MonkeyPatch( 'nova.virt.libvirt.imagebackend.libvirt_utils', fake_libvirt_utils)) def fake_extend(image, size, use_cow=False): pass self.stubs.Set(libvirt_driver.disk, 'extend', fake_extend) self.stubs.Set(imagebackend.Image, 'resolve_driver_format', imagebackend.Image._get_driver_format) class FakeConn(): def getCapabilities(self): """Ensure standard capabilities being returned.""" return """ x86_64 """ def getVersion(self): return 1005001 def getLibVersion(self): return (0 * 1000 * 1000) + (9 * 1000) + 11 def domainEventRegisterAny(self, *args, **kwargs): pass def registerCloseCallback(self, cb, opaque): pass def nwfilterDefineXML(self, *args, **kwargs): pass def nodeDeviceLookupByName(self, x): pass self.conn = FakeConn() self.stubs.Set(libvirt_driver.LibvirtDriver, '_connect', lambda *a, **k: self.conn) instance_type = db.flavor_get(self.context, 5) sys_meta = flavors.save_flavor_info({}, instance_type) nova.tests.image.fake.stub_out_image_service(self.stubs) self.test_instance = { 'uuid': '32dfcb37-5af1-552b-357c-be8c3aa38310', 'memory_kb': '1024000', 'basepath': '/some/path', 'bridge_name': 'br100', 'vcpus': 2, 'project_id': 'fake', 'bridge': 'br101', 'image_ref': '155d900f-4e14-4e4c-a73d-069cbf4541e6', 'root_gb': 10, 'ephemeral_gb': 20, 'instance_type_id': '5', # m1.small 'extra_specs': {}, 'system_metadata': sys_meta, "pci_devices": []} def relpath(self, path): return os.path.relpath(path, CONF.instances_path) def tearDown(self): nova.tests.image.fake.FakeImageService_reset() super(LibvirtConnTestCase, self).tearDown() def create_fake_libvirt_mock(self, **kwargs): """Defining mocks for LibvirtDriver(libvirt is not used).""" # A fake libvirt.virConnect class FakeLibvirtDriver(object): def defineXML(self, xml): return FakeVirtDomain() # Creating mocks volume_driver = ('iscsi=nova.tests.virt.libvirt.test_libvirt' '.FakeVolumeDriver') self.flags(libvirt_volume_drivers=[volume_driver]) fake = FakeLibvirtDriver() # Customizing above fake if necessary for key, val in kwargs.items(): fake.__setattr__(key, val) self.flags(libvirt_vif_driver="nova.tests.fake_network.FakeVIFDriver") self.mox.StubOutWithMock(libvirt_driver.LibvirtDriver, '_conn') libvirt_driver.LibvirtDriver._conn = fake def fake_lookup(self, instance_name): return FakeVirtDomain() def fake_execute(self, *args, **kwargs): open(args[-1], "a").close() def create_service(self, **kwargs): service_ref = {'host': kwargs.get('host', 'dummy'), 'binary': 'nova-compute', 'topic': 'compute', 'report_count': 0} return db.service_create(context.get_admin_context(), service_ref) def test_prepare_pci_device(self): pci_devices = [dict(hypervisor_name='xxx')] self.flags(libvirt_type='xen') conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), True) class FakeDev(): def attach(self): pass def dettach(self): pass def reset(self): pass self.mox.StubOutWithMock(self.conn, 'nodeDeviceLookupByName') self.conn.nodeDeviceLookupByName('xxx').AndReturn(FakeDev()) self.conn.nodeDeviceLookupByName('xxx').AndReturn(FakeDev()) self.mox.ReplayAll() conn._prepare_pci_devices_for_use(pci_devices) def test_prepare_pci_device_exception(self): pci_devices = [dict(hypervisor_name='xxx', id='id1', instance_uuid='uuid')] self.flags(libvirt_type='xen') conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), True) class FakeDev(): def attach(self): pass def dettach(self): raise libvirt.libvirtError("xxxxx") def reset(self): pass self.stubs.Set(self.conn, 'nodeDeviceLookupByName', lambda x: FakeDev()) self.assertRaises(exception.PciDevicePrepareFailed, conn._prepare_pci_devices_for_use, pci_devices) def test_detach_pci_devices_exception(self): pci_devices = [dict(hypervisor_name='xxx', id='id1', instance_uuid='uuid')] conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), True) self.mox.StubOutWithMock(libvirt_driver.LibvirtDriver, 'has_min_version') libvirt_driver.LibvirtDriver.has_min_version = lambda x, y: False self.assertRaises(exception.PciDeviceDetachFailed, conn._detach_pci_devices, None, pci_devices) def test_detach_pci_devices(self): fake_domXML1 =\ """

""" pci_devices = [dict(hypervisor_name='xxx', id='id1', instance_uuid='uuid', address="0001:04:10:1")] conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), True) self.mox.StubOutWithMock(libvirt_driver.LibvirtDriver, 'has_min_version') libvirt_driver.LibvirtDriver.has_min_version = lambda x, y: True self.mox.StubOutWithMock(libvirt_driver.LibvirtDriver, 'get_guest_pci_device') class FakeDev(): def to_xml(self): pass libvirt_driver.LibvirtDriver.get_guest_pci_device =\ lambda x, y: FakeDev() class FakeDomain(): def detachDeviceFlags(self, xml, flag): pci_devices[0]['hypervisor_name'] = 'marked' pass def XMLDesc(self, flag): return fake_domXML1 conn._detach_pci_devices(FakeDomain(), pci_devices) self.assertEqual(pci_devices[0]['hypervisor_name'], 'marked') def test_detach_pci_devices_timeout(self): fake_domXML1 =\ """

""" pci_devices = [dict(hypervisor_name='xxx', id='id1', instance_uuid='uuid', address="0000:04:10:1")] conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), True) self.mox.StubOutWithMock(libvirt_driver.LibvirtDriver, 'has_min_version') libvirt_driver.LibvirtDriver.has_min_version = lambda x, y: True self.mox.StubOutWithMock(libvirt_driver.LibvirtDriver, 'get_guest_pci_device') class FakeDev(): def to_xml(self): pass libvirt_driver.LibvirtDriver.get_guest_pci_device =\ lambda x, y: FakeDev() class FakeDomain(): def detachDeviceFlags(self, xml, flag): pass def XMLDesc(self, flag): return fake_domXML1 self.assertRaises(exception.PciDeviceDetachFailed, conn._detach_pci_devices, FakeDomain(), pci_devices) def test_get_connector(self): initiator = 'fake.initiator.iqn' ip = 'fakeip' host = 'fakehost' wwpns = ['100010604b019419'] wwnns = ['200010604b019419'] self.flags(my_ip=ip) self.flags(host=host) conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), True) expected = { 'ip': ip, 'initiator': initiator, 'host': host, 'wwpns': wwpns, 'wwnns': wwnns } volume = { 'id': 'fake' } result = conn.get_volume_connector(volume) self.assertThat(expected, matchers.DictMatches(result)) def test_close_callback(self): class FakeConn(object): def getLibVersion(self): return (1 * 1000 * 1000) + (0 * 1000) + 1 def domainEventRegisterAny(self, *args, **kwargs): pass def registerCloseCallback(self, cb, opaque): pass self.close_callback = None def set_close_callback(cb, opaque): self.close_callback = cb conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), True) conn._wrapped_conn = FakeConn() self.mox.StubOutWithMock(conn, '_connect') self.mox.StubOutWithMock(conn._conn, 'registerCloseCallback') conn._connect(mox.IgnoreArg(), mox.IgnoreArg()).AndReturn(conn._conn) conn._conn.registerCloseCallback( mox.IgnoreArg(), mox.IgnoreArg() ).WithSideEffects(set_close_callback) conn._connect(mox.IgnoreArg(), mox.IgnoreArg()).AndReturn(conn._conn) conn._conn.registerCloseCallback(mox.IgnoreArg(), mox.IgnoreArg()) self.mox.ReplayAll() # verify that the driver registers for the close callback # and re-connects after receiving the callback conn._get_new_connection() self.assertTrue(self.close_callback) self.close_callback(conn._conn, 1, None) conn._get_connection() self.mox.UnsetStubs() def test_close_callback_bad_signature(self): class FakeConn(object): def getLibVersion(self): return (1 * 1000 * 1000) + (0 * 1000) + 0 def domainEventRegisterAny(self, *args, **kwargs): pass def registerCloseCallback(self, cb, opaque, *args, **kwargs): pass conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), True) conn._wrapped_conn = FakeConn() self.mox.StubOutWithMock(conn, '_connect') self.mox.StubOutWithMock(conn._conn, 'registerCloseCallback') conn._connect(mox.IgnoreArg(), mox.IgnoreArg()).AndReturn(conn._conn) conn._conn.registerCloseCallback( mox.IgnoreArg(), mox.IgnoreArg()).AndRaise(TypeError) self.mox.ReplayAll() conn._get_new_connection() def test_close_callback_not_defined(self): class FakeConn(): def getLibVersion(self): return (0 * 1000 * 1000) + (9 * 1000) + 0 def domainEventRegisterAny(self, *args, **kwargs): pass conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), True) conn._wrapped_conn = FakeConn() self.mox.StubOutWithMock(conn, '_connect') conn._connect(mox.IgnoreArg(), mox.IgnoreArg()).AndReturn( conn._wrapped_conn) self.mox.ReplayAll() conn._get_new_connection() def test_get_guest_config(self): conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), True) instance_ref = db.instance_create(self.context, self.test_instance) disk_info = blockinfo.get_disk_info(CONF.libvirt_type, instance_ref) cfg = conn.get_guest_config(instance_ref, _fake_network_info(self.stubs, 1), None, disk_info) self.assertEquals(cfg.acpi, True) self.assertEquals(cfg.apic, True) self.assertEquals(cfg.memory, 1024 * 1024 * 2) self.assertEquals(cfg.vcpus, 1) self.assertEquals(cfg.os_type, vm_mode.HVM) self.assertEquals(cfg.os_boot_dev, "hd") self.assertEquals(cfg.os_root, None) self.assertEquals(len(cfg.devices), 7) self.assertEquals(type(cfg.devices[0]), vconfig.LibvirtConfigGuestDisk) self.assertEquals(type(cfg.devices[1]), vconfig.LibvirtConfigGuestDisk) self.assertEquals(type(cfg.devices[2]), vconfig.LibvirtConfigGuestInterface) self.assertEquals(type(cfg.devices[3]), vconfig.LibvirtConfigGuestSerial) self.assertEquals(type(cfg.devices[4]), vconfig.LibvirtConfigGuestSerial) self.assertEquals(type(cfg.devices[5]), vconfig.LibvirtConfigGuestInput) self.assertEquals(type(cfg.devices[6]), vconfig.LibvirtConfigGuestGraphics) self.assertEquals(type(cfg.clock), vconfig.LibvirtConfigGuestClock) self.assertEquals(cfg.clock.offset, "utc") self.assertEquals(len(cfg.clock.timers), 2) self.assertEquals(type(cfg.clock.timers[0]), vconfig.LibvirtConfigGuestTimer) self.assertEquals(type(cfg.clock.timers[1]), vconfig.LibvirtConfigGuestTimer) self.assertEquals(cfg.clock.timers[0].name, "pit") self.assertEquals(cfg.clock.timers[0].tickpolicy, "delay") self.assertEquals(cfg.clock.timers[1].name, "rtc") self.assertEquals(cfg.clock.timers[1].tickpolicy, "catchup") def test_get_guest_config_windows(self): conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), True) instance_ref = db.instance_create(self.context, self.test_instance) instance_ref['os_type'] = 'windows' disk_info = blockinfo.get_disk_info(CONF.libvirt_type, instance_ref) cfg = conn.get_guest_config(instance_ref, _fake_network_info(self.stubs, 1), None, disk_info) self.assertEquals(type(cfg.clock), vconfig.LibvirtConfigGuestClock) self.assertEquals(cfg.clock.offset, "localtime") def test_get_guest_config_with_two_nics(self): conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), True) instance_ref = db.instance_create(self.context, self.test_instance) disk_info = blockinfo.get_disk_info(CONF.libvirt_type, instance_ref) cfg = conn.get_guest_config(instance_ref, _fake_network_info(self.stubs, 2), None, disk_info) self.assertEquals(cfg.acpi, True) self.assertEquals(cfg.memory, 1024 * 1024 * 2) self.assertEquals(cfg.vcpus, 1) self.assertEquals(cfg.os_type, vm_mode.HVM) self.assertEquals(cfg.os_boot_dev, "hd") self.assertEquals(cfg.os_root, None) self.assertEquals(len(cfg.devices), 8) self.assertEquals(type(cfg.devices[0]), vconfig.LibvirtConfigGuestDisk) self.assertEquals(type(cfg.devices[1]), vconfig.LibvirtConfigGuestDisk) self.assertEquals(type(cfg.devices[2]), vconfig.LibvirtConfigGuestInterface) self.assertEquals(type(cfg.devices[3]), vconfig.LibvirtConfigGuestInterface) self.assertEquals(type(cfg.devices[4]), vconfig.LibvirtConfigGuestSerial) self.assertEquals(type(cfg.devices[5]), vconfig.LibvirtConfigGuestSerial) self.assertEquals(type(cfg.devices[6]), vconfig.LibvirtConfigGuestInput) self.assertEquals(type(cfg.devices[7]), vconfig.LibvirtConfigGuestGraphics) def test_get_guest_config_bug_1118829(self): self.flags(libvirt_type='uml') conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), True) instance_ref = db.instance_create(self.context, self.test_instance) disk_info = {'disk_bus': 'virtio', 'cdrom_bus': 'ide', 'mapping': {u'vda': {'bus': 'virtio', 'type': 'disk', 'dev': u'vda'}, 'root': {'bus': 'virtio', 'type': 'disk', 'dev': 'vda'}}} # NOTE(jdg): For this specific test leave this blank # This will exercise the failed code path still, # and won't require fakes and stubs of the iscsi discovery block_device_info = {} cfg = conn.get_guest_config(instance_ref, [], None, disk_info, None, block_device_info) instance_ref = db.instance_get(self.context, instance_ref['id']) self.assertEquals(instance_ref['root_device_name'], '/dev/vda') def test_get_guest_config_with_root_device_name(self): self.flags(libvirt_type='uml') conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), True) instance_ref = db.instance_create(self.context, self.test_instance) block_device_info = {'root_device_name': '/dev/vdb'} disk_info = blockinfo.get_disk_info(CONF.libvirt_type, instance_ref, block_device_info) cfg = conn.get_guest_config(instance_ref, [], None, disk_info, None, block_device_info) self.assertEquals(cfg.acpi, False) self.assertEquals(cfg.memory, 1024 * 1024 * 2) self.assertEquals(cfg.vcpus, 1) self.assertEquals(cfg.os_type, "uml") self.assertEquals(cfg.os_boot_dev, None) self.assertEquals(cfg.os_root, '/dev/vdb') self.assertEquals(len(cfg.devices), 3) self.assertEquals(type(cfg.devices[0]), vconfig.LibvirtConfigGuestDisk) self.assertEquals(type(cfg.devices[1]), vconfig.LibvirtConfigGuestDisk) self.assertEquals(type(cfg.devices[2]), vconfig.LibvirtConfigGuestConsole) def test_get_guest_config_with_block_device(self): conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), True) instance_ref = db.instance_create(self.context, self.test_instance) conn_info = {'driver_volume_type': 'fake'} info = {'block_device_mapping': [ mocked_bdm(1, {'connection_info': conn_info, 'mount_device': '/dev/vdc'}), mocked_bdm(1, {'connection_info': conn_info, 'mount_device': '/dev/vdd'}), ]} disk_info = blockinfo.get_disk_info(CONF.libvirt_type, instance_ref, info) cfg = conn.get_guest_config(instance_ref, [], None, disk_info, None, info) self.assertEquals(type(cfg.devices[2]), vconfig.LibvirtConfigGuestDisk) self.assertEquals(cfg.devices[2].target_dev, 'vdc') self.assertEquals(type(cfg.devices[3]), vconfig.LibvirtConfigGuestDisk) self.assertEquals(cfg.devices[3].target_dev, 'vdd') def test_get_guest_config_with_configdrive(self): conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), True) instance_ref = db.instance_create(self.context, self.test_instance) # make configdrive.required_by() return True instance_ref['config_drive'] = True disk_info = blockinfo.get_disk_info(CONF.libvirt_type, instance_ref) cfg = conn.get_guest_config(instance_ref, [], None, disk_info) self.assertEquals(type(cfg.devices[2]), vconfig.LibvirtConfigGuestDisk) self.assertEquals(cfg.devices[2].target_dev, 'hdd') def test_get_guest_config_with_vnc(self): self.flags(libvirt_type='kvm', vnc_enabled=True, use_usb_tablet=False) self.flags(enabled=False, group='spice') conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), True) instance_ref = db.instance_create(self.context, self.test_instance) disk_info = blockinfo.get_disk_info(CONF.libvirt_type, instance_ref) cfg = conn.get_guest_config(instance_ref, [], None, disk_info) self.assertEquals(len(cfg.devices), 5) self.assertEquals(type(cfg.devices[0]), vconfig.LibvirtConfigGuestDisk) self.assertEquals(type(cfg.devices[1]), vconfig.LibvirtConfigGuestDisk) self.assertEquals(type(cfg.devices[2]), vconfig.LibvirtConfigGuestSerial) self.assertEquals(type(cfg.devices[3]), vconfig.LibvirtConfigGuestSerial) self.assertEquals(type(cfg.devices[4]), vconfig.LibvirtConfigGuestGraphics) self.assertEquals(cfg.devices[4].type, "vnc") def test_get_guest_config_with_vnc_and_tablet(self): self.flags(libvirt_type='kvm', vnc_enabled=True, use_usb_tablet=True) self.flags(enabled=False, group='spice') conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), True) instance_ref = db.instance_create(self.context, self.test_instance) disk_info = blockinfo.get_disk_info(CONF.libvirt_type, instance_ref) cfg = conn.get_guest_config(instance_ref, [], None, disk_info) self.assertEquals(len(cfg.devices), 6) self.assertEquals(type(cfg.devices[0]), vconfig.LibvirtConfigGuestDisk) self.assertEquals(type(cfg.devices[1]), vconfig.LibvirtConfigGuestDisk) self.assertEquals(type(cfg.devices[2]), vconfig.LibvirtConfigGuestSerial) self.assertEquals(type(cfg.devices[3]), vconfig.LibvirtConfigGuestSerial) self.assertEquals(type(cfg.devices[4]), vconfig.LibvirtConfigGuestInput) self.assertEquals(type(cfg.devices[5]), vconfig.LibvirtConfigGuestGraphics) self.assertEquals(cfg.devices[4].type, "tablet") self.assertEquals(cfg.devices[5].type, "vnc") def test_get_guest_config_with_spice_and_tablet(self): self.flags(libvirt_type='kvm', vnc_enabled=False, use_usb_tablet=True) self.flags(enabled=True, agent_enabled=False, group='spice') conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), True) instance_ref = db.instance_create(self.context, self.test_instance) disk_info = blockinfo.get_disk_info(CONF.libvirt_type, instance_ref) cfg = conn.get_guest_config(instance_ref, [], None, disk_info) self.assertEquals(len(cfg.devices), 6) self.assertEquals(type(cfg.devices[0]), vconfig.LibvirtConfigGuestDisk) self.assertEquals(type(cfg.devices[1]), vconfig.LibvirtConfigGuestDisk) self.assertEquals(type(cfg.devices[2]), vconfig.LibvirtConfigGuestSerial) self.assertEquals(type(cfg.devices[3]), vconfig.LibvirtConfigGuestSerial) self.assertEquals(type(cfg.devices[4]), vconfig.LibvirtConfigGuestInput) self.assertEquals(type(cfg.devices[5]), vconfig.LibvirtConfigGuestGraphics) self.assertEquals(cfg.devices[4].type, "tablet") self.assertEquals(cfg.devices[5].type, "spice") def test_get_guest_config_with_spice_and_agent(self): self.flags(libvirt_type='kvm', vnc_enabled=False, use_usb_tablet=True) self.flags(enabled=True, agent_enabled=True, group='spice') conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), True) instance_ref = db.instance_create(self.context, self.test_instance) disk_info = blockinfo.get_disk_info(CONF.libvirt_type, instance_ref) cfg = conn.get_guest_config(instance_ref, [], None, disk_info) self.assertEquals(len(cfg.devices), 6) self.assertEquals(type(cfg.devices[0]), vconfig.LibvirtConfigGuestDisk) self.assertEquals(type(cfg.devices[1]), vconfig.LibvirtConfigGuestDisk) self.assertEquals(type(cfg.devices[2]), vconfig.LibvirtConfigGuestSerial) self.assertEquals(type(cfg.devices[3]), vconfig.LibvirtConfigGuestSerial) self.assertEquals(type(cfg.devices[4]), vconfig.LibvirtConfigGuestChannel) self.assertEquals(type(cfg.devices[5]), vconfig.LibvirtConfigGuestGraphics) self.assertEquals(cfg.devices[4].target_name, "com.redhat.spice.0") self.assertEquals(cfg.devices[5].type, "spice") def test_get_guest_config_with_vnc_and_spice(self): self.flags(libvirt_type='kvm', vnc_enabled=True, use_usb_tablet=True) self.flags(enabled=True, agent_enabled=True, group='spice') conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), True) instance_ref = db.instance_create(self.context, self.test_instance) disk_info = blockinfo.get_disk_info(CONF.libvirt_type, instance_ref) cfg = conn.get_guest_config(instance_ref, [], None, disk_info) self.assertEquals(len(cfg.devices), 8) self.assertEquals(type(cfg.devices[0]), vconfig.LibvirtConfigGuestDisk) self.assertEquals(type(cfg.devices[1]), vconfig.LibvirtConfigGuestDisk) self.assertEquals(type(cfg.devices[2]), vconfig.LibvirtConfigGuestSerial) self.assertEquals(type(cfg.devices[3]), vconfig.LibvirtConfigGuestSerial) self.assertEquals(type(cfg.devices[4]), vconfig.LibvirtConfigGuestInput) self.assertEquals(type(cfg.devices[5]), vconfig.LibvirtConfigGuestChannel) self.assertEquals(type(cfg.devices[6]), vconfig.LibvirtConfigGuestGraphics) self.assertEquals(type(cfg.devices[7]), vconfig.LibvirtConfigGuestGraphics) self.assertEquals(cfg.devices[4].type, "tablet") self.assertEquals(cfg.devices[5].target_name, "com.redhat.spice.0") self.assertEquals(cfg.devices[6].type, "vnc") self.assertEquals(cfg.devices[7].type, "spice") def test_get_guest_config_with_qga_through_image_meta(self): self.flags(libvirt_type='kvm') conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), True) instance_ref = db.instance_create(self.context, self.test_instance) disk_info = blockinfo.get_disk_info(CONF.libvirt_type, instance_ref) image_meta = {"properties": {"hw_qemu_guest_agent": "yes"}} cfg = conn.get_guest_config(instance_ref, [], image_meta, disk_info) self.assertEqual(len(cfg.devices), 7) self.assertEqual(type(cfg.devices[0]), vconfig.LibvirtConfigGuestDisk) self.assertEqual(type(cfg.devices[1]), vconfig.LibvirtConfigGuestDisk) self.assertEqual(type(cfg.devices[2]), vconfig.LibvirtConfigGuestSerial) self.assertEqual(type(cfg.devices[3]), vconfig.LibvirtConfigGuestSerial) self.assertEqual(type(cfg.devices[4]), vconfig.LibvirtConfigGuestInput) self.assertEqual(type(cfg.devices[5]), vconfig.LibvirtConfigGuestGraphics) self.assertEqual(type(cfg.devices[6]), vconfig.LibvirtConfigGuestChannel) self.assertEqual(cfg.devices[4].type, "tablet") self.assertEqual(cfg.devices[5].type, "vnc") self.assertEqual(cfg.devices[6].type, "unix") self.assertEqual(cfg.devices[6].target_name, "org.qemu.guest_agent.0") def test_get_guest_config_without_qga_through_image_meta(self): self.flags(libvirt_type='kvm') conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), True) instance_ref = db.instance_create(self.context, self.test_instance) disk_info = blockinfo.get_disk_info(CONF.libvirt_type, instance_ref) image_meta = {"properties": {"hw_qemu_guest_agent": "no"}} cfg = conn.get_guest_config(instance_ref, [], image_meta, disk_info) self.assertEqual(len(cfg.devices), 6) self.assertEqual(type(cfg.devices[0]), vconfig.LibvirtConfigGuestDisk) self.assertEqual(type(cfg.devices[1]), vconfig.LibvirtConfigGuestDisk) self.assertEqual(type(cfg.devices[2]), vconfig.LibvirtConfigGuestSerial) self.assertEqual(type(cfg.devices[3]), vconfig.LibvirtConfigGuestSerial) self.assertEqual(type(cfg.devices[4]), vconfig.LibvirtConfigGuestInput) self.assertEqual(type(cfg.devices[5]), vconfig.LibvirtConfigGuestGraphics) self.assertEqual(cfg.devices[4].type, "tablet") self.assertEqual(cfg.devices[5].type, "vnc") def _create_fake_service_compute(self): service_info = { 'host': 'fake', 'report_count': 0 } service_ref = db.service_create(self.context, service_info) compute_info = { 'vcpus': 2, 'memory_mb': 1024, 'local_gb': 2048, 'vcpus_used': 0, 'memory_mb_used': 0, 'local_gb_used': 0, 'free_ram_mb': 1024, 'free_disk_gb': 2048, 'hypervisor_type': 'xen', 'hypervisor_version': 1, 'running_vms': 0, 'cpu_info': '', 'current_workload': 0, 'service_id': service_ref['id'] } compute_ref = db.compute_node_create(self.context, compute_info) return (service_ref, compute_ref) def test_get_guest_config_with_pci_passthrough_kvm(self): self.flags(libvirt_type='kvm') service_ref, compute_ref = self._create_fake_service_compute() instance_ref = db.instance_create(self.context, self.test_instance) pci_device_info = dict(test_pci_device.fake_db_dev) pci_device_info.update(compute_node_id=1, label='fake', status='allocated', address='0000:00:00.1', compute_id=compute_ref['id'], instance_uuid=instance_ref['uuid'], extra_info=jsonutils.dumps({})) db.pci_device_update(self.context, pci_device_info['compute_node_id'], pci_device_info['address'], pci_device_info) instance_ref = db.instance_get(self.context, instance_ref['id']) conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), True) disk_info = blockinfo.get_disk_info(CONF.libvirt_type, instance_ref) cfg = conn.get_guest_config(instance_ref, [], None, disk_info) had_pci = 0 # care only about the PCI devices for dev in cfg.devices: if type(dev) == vconfig.LibvirtConfigGuestHostdevPCI: had_pci += 1 self.assertEqual(dev.type, 'pci') self.assertEqual(dev.managed, 'yes') self.assertEqual(dev.mode, 'subsystem') self.assertEqual(dev.domain, "0000") self.assertEqual(dev.bus, "00") self.assertEqual(dev.slot, "00") self.assertEqual(dev.function, "1") self.assertEqual(had_pci, 1) def test_get_guest_config_with_pci_passthrough_xen(self): self.flags(libvirt_type='xen') service_ref, compute_ref = self._create_fake_service_compute() instance_ref = db.instance_create(self.context, self.test_instance) pci_device_info = dict(test_pci_device.fake_db_dev) pci_device_info.update(compute_node_id=1, label='fake', status='allocated', address='0000:00:00.2', compute_id=compute_ref['id'], instance_uuid=instance_ref['uuid'], extra_info=jsonutils.dumps({})) db.pci_device_update(self.context, pci_device_info['compute_node_id'], pci_device_info['address'], pci_device_info) instance_ref = db.instance_get(self.context, instance_ref['id']) conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), True) disk_info = blockinfo.get_disk_info(CONF.libvirt_type, instance_ref) cfg = conn.get_guest_config(instance_ref, [], None, disk_info) had_pci = 0 # care only about the PCI devices for dev in cfg.devices: if type(dev) == vconfig.LibvirtConfigGuestHostdevPCI: had_pci += 1 self.assertEqual(dev.type, 'pci') self.assertEqual(dev.managed, 'no') self.assertEqual(dev.mode, 'subsystem') self.assertEqual(dev.domain, "0000") self.assertEqual(dev.bus, "00") self.assertEqual(dev.slot, "00") self.assertEqual(dev.function, "2") self.assertEqual(had_pci, 1) def test_get_guest_cpu_config_none(self): self.flags(libvirt_cpu_mode="none") conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), True) instance_ref = db.instance_create(self.context, self.test_instance) disk_info = blockinfo.get_disk_info(CONF.libvirt_type, instance_ref) conf = conn.get_guest_config(instance_ref, _fake_network_info(self.stubs, 1), None, disk_info) self.assertEquals(conf.cpu, None) def test_get_guest_cpu_config_default_kvm(self): self.flags(libvirt_type="kvm", libvirt_cpu_mode=None) def get_lib_version_stub(): return (0 * 1000 * 1000) + (9 * 1000) + 11 self.stubs.Set(self.conn, "getLibVersion", get_lib_version_stub) conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), True) instance_ref = db.instance_create(self.context, self.test_instance) disk_info = blockinfo.get_disk_info(CONF.libvirt_type, instance_ref) conf = conn.get_guest_config(instance_ref, _fake_network_info(self.stubs, 1), None, disk_info) self.assertEquals(type(conf.cpu), vconfig.LibvirtConfigGuestCPU) self.assertEquals(conf.cpu.mode, "host-model") self.assertEquals(conf.cpu.model, None) def test_get_guest_cpu_config_default_uml(self): self.flags(libvirt_type="uml", libvirt_cpu_mode=None) conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), True) instance_ref = db.instance_create(self.context, self.test_instance) disk_info = blockinfo.get_disk_info(CONF.libvirt_type, instance_ref) conf = conn.get_guest_config(instance_ref, _fake_network_info(self.stubs, 1), None, disk_info) self.assertEquals(conf.cpu, None) def test_get_guest_cpu_config_default_lxc(self): self.flags(libvirt_type="lxc", libvirt_cpu_mode=None) conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), True) instance_ref = db.instance_create(self.context, self.test_instance) disk_info = blockinfo.get_disk_info(CONF.libvirt_type, instance_ref) conf = conn.get_guest_config(instance_ref, _fake_network_info(self.stubs, 1), None, disk_info) self.assertEquals(conf.cpu, None) def test_get_guest_cpu_config_host_passthrough_new(self): def get_lib_version_stub(): return (0 * 1000 * 1000) + (9 * 1000) + 11 self.stubs.Set(self.conn, "getLibVersion", get_lib_version_stub) conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), True) instance_ref = db.instance_create(self.context, self.test_instance) self.flags(libvirt_cpu_mode="host-passthrough") disk_info = blockinfo.get_disk_info(CONF.libvirt_type, instance_ref) conf = conn.get_guest_config(instance_ref, _fake_network_info(self.stubs, 1), None, disk_info) self.assertEquals(type(conf.cpu), vconfig.LibvirtConfigGuestCPU) self.assertEquals(conf.cpu.mode, "host-passthrough") self.assertEquals(conf.cpu.model, None) def test_get_guest_cpu_config_host_model_new(self): def get_lib_version_stub(): return (0 * 1000 * 1000) + (9 * 1000) + 11 self.stubs.Set(self.conn, "getLibVersion", get_lib_version_stub) conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), True) instance_ref = db.instance_create(self.context, self.test_instance) self.flags(libvirt_cpu_mode="host-model") disk_info = blockinfo.get_disk_info(CONF.libvirt_type, instance_ref) conf = conn.get_guest_config(instance_ref, _fake_network_info(self.stubs, 1), None, disk_info) self.assertEquals(type(conf.cpu), vconfig.LibvirtConfigGuestCPU) self.assertEquals(conf.cpu.mode, "host-model") self.assertEquals(conf.cpu.model, None) def test_get_guest_cpu_config_custom_new(self): def get_lib_version_stub(): return (0 * 1000 * 1000) + (9 * 1000) + 11 self.stubs.Set(self.conn, "getLibVersion", get_lib_version_stub) conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), True) instance_ref = db.instance_create(self.context, self.test_instance) self.flags(libvirt_cpu_mode="custom") self.flags(libvirt_cpu_model="Penryn") disk_info = blockinfo.get_disk_info(CONF.libvirt_type, instance_ref) conf = conn.get_guest_config(instance_ref, _fake_network_info(self.stubs, 1), None, disk_info) self.assertEquals(type(conf.cpu), vconfig.LibvirtConfigGuestCPU) self.assertEquals(conf.cpu.mode, "custom") self.assertEquals(conf.cpu.model, "Penryn") def test_get_guest_cpu_config_host_passthrough_old(self): def get_lib_version_stub(): return (0 * 1000 * 1000) + (9 * 1000) + 7 self.stubs.Set(self.conn, "getLibVersion", get_lib_version_stub) conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), True) instance_ref = db.instance_create(self.context, self.test_instance) self.flags(libvirt_cpu_mode="host-passthrough") disk_info = blockinfo.get_disk_info(CONF.libvirt_type, instance_ref) self.assertRaises(exception.NovaException, conn.get_guest_config, instance_ref, _fake_network_info(self.stubs, 1), None, disk_info) def test_get_guest_cpu_config_host_model_old(self): def get_lib_version_stub(): return (0 * 1000 * 1000) + (9 * 1000) + 7 # Ensure we have a predictable host CPU def get_host_capabilities_stub(self): cpu = vconfig.LibvirtConfigGuestCPU() cpu.model = "Opteron_G4" cpu.vendor = "AMD" cpu.features.append(vconfig.LibvirtConfigGuestCPUFeature("tm2")) cpu.features.append(vconfig.LibvirtConfigGuestCPUFeature("ht")) caps = vconfig.LibvirtConfigCaps() caps.host = vconfig.LibvirtConfigCapsHost() caps.host.cpu = cpu return caps self.stubs.Set(self.conn, "getLibVersion", get_lib_version_stub) self.stubs.Set(libvirt_driver.LibvirtDriver, "get_host_capabilities", get_host_capabilities_stub) conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), True) instance_ref = db.instance_create(self.context, self.test_instance) self.flags(libvirt_cpu_mode="host-model") disk_info = blockinfo.get_disk_info(CONF.libvirt_type, instance_ref) conf = conn.get_guest_config(instance_ref, _fake_network_info(self.stubs, 1), None, disk_info) self.assertEquals(type(conf.cpu), vconfig.LibvirtConfigGuestCPU) self.assertEquals(conf.cpu.mode, None) self.assertEquals(conf.cpu.model, "Opteron_G4") self.assertEquals(conf.cpu.vendor, "AMD") self.assertEquals(len(conf.cpu.features), 2) self.assertEquals(conf.cpu.features[0].name, "tm2") self.assertEquals(conf.cpu.features[1].name, "ht") def test_get_guest_cpu_config_custom_old(self): def get_lib_version_stub(): return (0 * 1000 * 1000) + (9 * 1000) + 7 self.stubs.Set(self.conn, "getLibVersion", get_lib_version_stub) conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), True) instance_ref = db.instance_create(self.context, self.test_instance) self.flags(libvirt_cpu_mode="custom") self.flags(libvirt_cpu_model="Penryn") disk_info = blockinfo.get_disk_info(CONF.libvirt_type, instance_ref) conf = conn.get_guest_config(instance_ref, _fake_network_info(self.stubs, 1), None, disk_info) self.assertEquals(type(conf.cpu), vconfig.LibvirtConfigGuestCPU) self.assertEquals(conf.cpu.mode, None) self.assertEquals(conf.cpu.model, "Penryn") def test_xml_and_uri_no_ramdisk_no_kernel(self): instance_data = dict(self.test_instance) self._check_xml_and_uri(instance_data, expect_kernel=False, expect_ramdisk=False) def test_xml_and_uri_no_ramdisk_no_kernel_xen_hvm(self): instance_data = dict(self.test_instance) instance_data.update({'vm_mode': vm_mode.HVM}) self._check_xml_and_uri(instance_data, expect_kernel=False, expect_ramdisk=False, expect_xen_hvm=True) def test_xml_and_uri_no_ramdisk_no_kernel_xen_pv(self): instance_data = dict(self.test_instance) instance_data.update({'vm_mode': vm_mode.XEN}) self._check_xml_and_uri(instance_data, expect_kernel=False, expect_ramdisk=False, expect_xen_hvm=False, xen_only=True) def test_xml_and_uri_no_ramdisk(self): instance_data = dict(self.test_instance) instance_data['kernel_id'] = 'aki-deadbeef' self._check_xml_and_uri(instance_data, expect_kernel=True, expect_ramdisk=False) def test_xml_and_uri_no_kernel(self): instance_data = dict(self.test_instance) instance_data['ramdisk_id'] = 'ari-deadbeef' self._check_xml_and_uri(instance_data, expect_kernel=False, expect_ramdisk=False) def test_xml_and_uri(self): instance_data = dict(self.test_instance) instance_data['ramdisk_id'] = 'ari-deadbeef' instance_data['kernel_id'] = 'aki-deadbeef' self._check_xml_and_uri(instance_data, expect_kernel=True, expect_ramdisk=True) def test_xml_and_uri_rescue(self): instance_data = dict(self.test_instance) instance_data['ramdisk_id'] = 'ari-deadbeef' instance_data['kernel_id'] = 'aki-deadbeef' self._check_xml_and_uri(instance_data, expect_kernel=True, expect_ramdisk=True, rescue=instance_data) def test_xml_and_uri_rescue_no_kernel_no_ramdisk(self): instance_data = dict(self.test_instance) self._check_xml_and_uri(instance_data, expect_kernel=False, expect_ramdisk=False, rescue=instance_data) def test_xml_and_uri_rescue_no_kernel(self): instance_data = dict(self.test_instance) instance_data['ramdisk_id'] = 'aki-deadbeef' self._check_xml_and_uri(instance_data, expect_kernel=False, expect_ramdisk=True, rescue=instance_data) def test_xml_and_uri_rescue_no_ramdisk(self): instance_data = dict(self.test_instance) instance_data['kernel_id'] = 'aki-deadbeef' self._check_xml_and_uri(instance_data, expect_kernel=True, expect_ramdisk=False, rescue=instance_data) def test_xml_uuid(self): self._check_xml_and_uuid({"disk_format": "raw"}) def test_lxc_container_and_uri(self): instance_data = dict(self.test_instance) self._check_xml_and_container(instance_data) def test_xml_disk_prefix(self): instance_data = dict(self.test_instance) self._check_xml_and_disk_prefix(instance_data) def test_xml_user_specified_disk_prefix(self): instance_data = dict(self.test_instance) self._check_xml_and_disk_prefix(instance_data, 'sd') def test_xml_disk_driver(self): instance_data = dict(self.test_instance) self._check_xml_and_disk_driver(instance_data) def test_xml_disk_bus_virtio(self): self._check_xml_and_disk_bus({"disk_format": "raw"}, None, (("disk", "virtio", "vda"),)) def test_xml_disk_bus_ide(self): self._check_xml_and_disk_bus({"disk_format": "iso"}, None, (("cdrom", "ide", "hda"),)) def test_xml_disk_bus_ide_and_virtio(self): swap = {'device_name': '/dev/vdc', 'swap_size': 1} ephemerals = [{'device_type': 'disk', 'disk_bus': 'virtio', 'device_name': '/dev/vdb', 'size': 1}] block_device_info = { 'swap': swap, 'ephemerals': ephemerals} self._check_xml_and_disk_bus({"disk_format": "iso"}, block_device_info, (("cdrom", "ide", "hda"), ("disk", "virtio", "vdb"), ("disk", "virtio", "vdc"))) def test_list_instances(self): self.mox.StubOutWithMock(libvirt_driver.LibvirtDriver, '_conn') libvirt_driver.LibvirtDriver._conn.lookupByID = self.fake_lookup libvirt_driver.LibvirtDriver._conn.numOfDomains = lambda: 2 libvirt_driver.LibvirtDriver._conn.listDomainsID = lambda: [0, 1] libvirt_driver.LibvirtDriver._conn.listDefinedDomains = lambda: [] self.mox.ReplayAll() conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) instances = conn.list_instances() # Only one should be listed, since domain with ID 0 must be skipped self.assertEquals(len(instances), 1) def test_list_instance_uuids(self): self.mox.StubOutWithMock(libvirt_driver.LibvirtDriver, '_conn') libvirt_driver.LibvirtDriver._conn.lookupByID = self.fake_lookup libvirt_driver.LibvirtDriver._conn.numOfDomains = lambda: 2 libvirt_driver.LibvirtDriver._conn.listDomainsID = lambda: [0, 1] libvirt_driver.LibvirtDriver._conn.listDefinedDomains = lambda: [] self.mox.ReplayAll() conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) instances = conn.list_instance_uuids() # Only one should be listed, since domain with ID 0 must be skipped self.assertEquals(len(instances), 1) def test_list_defined_instances(self): self.mox.StubOutWithMock(libvirt_driver.LibvirtDriver, '_conn') libvirt_driver.LibvirtDriver._conn.lookupByID = self.fake_lookup libvirt_driver.LibvirtDriver._conn.numOfDomains = lambda: 1 libvirt_driver.LibvirtDriver._conn.listDomainsID = lambda: [0] libvirt_driver.LibvirtDriver._conn.listDefinedDomains = lambda: [1] self.mox.ReplayAll() conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) instances = conn.list_instances() # Only one defined domain should be listed self.assertEquals(len(instances), 1) def test_list_instances_when_instance_deleted(self): def fake_lookup(instance_name): raise libvirt.libvirtError("we deleted an instance!") self.mox.StubOutWithMock(libvirt_driver.LibvirtDriver, '_conn') libvirt_driver.LibvirtDriver._conn.lookupByID = fake_lookup libvirt_driver.LibvirtDriver._conn.numOfDomains = lambda: 1 libvirt_driver.LibvirtDriver._conn.listDomainsID = lambda: [0, 1] libvirt_driver.LibvirtDriver._conn.listDefinedDomains = lambda: [] self.mox.StubOutWithMock(libvirt.libvirtError, "get_error_code") libvirt.libvirtError.get_error_code().AndReturn( libvirt.VIR_ERR_NO_DOMAIN) self.mox.ReplayAll() conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) instances = conn.list_instances() # None should be listed, since we fake deleted the last one self.assertEquals(len(instances), 0) def test_list_instance_uuids_when_instance_deleted(self): def fake_lookup(instance_name): raise libvirt.libvirtError("we deleted an instance!") self.mox.StubOutWithMock(libvirt_driver.LibvirtDriver, '_conn') libvirt_driver.LibvirtDriver._conn.lookupByID = fake_lookup libvirt_driver.LibvirtDriver._conn.numOfDomains = lambda: 1 libvirt_driver.LibvirtDriver._conn.listDomainsID = lambda: [0, 1] libvirt_driver.LibvirtDriver._conn.listDefinedDomains = lambda: [] self.mox.StubOutWithMock(libvirt.libvirtError, "get_error_code") libvirt.libvirtError.get_error_code().AndReturn( libvirt.VIR_ERR_NO_DOMAIN) self.mox.ReplayAll() conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) instances = conn.list_instance_uuids() # None should be listed, since we fake deleted the last one self.assertEquals(len(instances), 0) def test_list_instances_throws_nova_exception(self): def fake_lookup(instance_name): raise libvirt.libvirtError("we deleted an instance!") self.mox.StubOutWithMock(libvirt_driver.LibvirtDriver, '_conn') libvirt_driver.LibvirtDriver._conn.lookupByID = fake_lookup libvirt_driver.LibvirtDriver._conn.numOfDomains = lambda: 1 libvirt_driver.LibvirtDriver._conn.listDomainsID = lambda: [0, 1] libvirt_driver.LibvirtDriver._conn.listDefinedDomains = lambda: [] self.mox.StubOutWithMock(libvirt.libvirtError, "get_error_code") libvirt.libvirtError.get_error_code().AndReturn( libvirt.VIR_ERR_INTERNAL_ERROR) self.mox.ReplayAll() conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) self.assertRaises(exception.NovaException, conn.list_instances) def test_list_instance_uuids_throws_nova_exception(self): def fake_lookup(instance_name): raise libvirt.libvirtError("we deleted an instance!") self.mox.StubOutWithMock(libvirt_driver.LibvirtDriver, '_conn') libvirt_driver.LibvirtDriver._conn.lookupByID = fake_lookup libvirt_driver.LibvirtDriver._conn.numOfDomains = lambda: 1 libvirt_driver.LibvirtDriver._conn.listDomainsID = lambda: [0, 1] libvirt_driver.LibvirtDriver._conn.listDefinedDomains = lambda: [] self.mox.StubOutWithMock(libvirt.libvirtError, "get_error_code") libvirt.libvirtError.get_error_code().AndReturn( libvirt.VIR_ERR_INTERNAL_ERROR) self.mox.ReplayAll() conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) self.assertRaises(exception.NovaException, conn.list_instance_uuids) def test_get_all_block_devices(self): xml = [ # NOTE(vish): id 0 is skipped None, """ """, """ """, """ """, ] def fake_lookup(id): return FakeVirtDomain(xml[id]) self.mox.StubOutWithMock(libvirt_driver.LibvirtDriver, '_conn') libvirt_driver.LibvirtDriver._conn.numOfDomains = lambda: 4 libvirt_driver.LibvirtDriver._conn.listDomainsID = lambda: range(4) libvirt_driver.LibvirtDriver._conn.lookupByID = fake_lookup self.mox.ReplayAll() conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) devices = conn.get_all_block_devices() self.assertEqual(devices, ['/path/to/dev/1', '/path/to/dev/3']) def test_get_disks(self): xml = [ # NOTE(vish): id 0 is skipped None, """ """, """ """, """ """, ] def fake_lookup(id): return FakeVirtDomain(xml[id]) def fake_lookup_name(name): return FakeVirtDomain(xml[1]) self.mox.StubOutWithMock(libvirt_driver.LibvirtDriver, '_conn') libvirt_driver.LibvirtDriver._conn.numOfDomains = lambda: 4 libvirt_driver.LibvirtDriver._conn.listDomainsID = lambda: range(4) libvirt_driver.LibvirtDriver._conn.lookupByID = fake_lookup libvirt_driver.LibvirtDriver._conn.lookupByName = fake_lookup_name libvirt_driver.LibvirtDriver._conn.listDefinedDomains = lambda: [] self.mox.ReplayAll() conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) devices = conn.get_disks(conn.list_instances()[0]) self.assertEqual(devices, ['vda', 'vdb']) def test_snapshot_in_ami_format(self): expected_calls = [ {'args': (), 'kwargs': {'task_state': task_states.IMAGE_PENDING_UPLOAD}}, {'args': (), 'kwargs': {'task_state': task_states.IMAGE_UPLOADING, 'expected_state': task_states.IMAGE_PENDING_UPLOAD}}] func_call_matcher = matchers.FunctionCallMatcher(expected_calls) self.flags(libvirt_snapshots_directory='./') # Start test image_service = nova.tests.image.fake.FakeImageService() # Assign different image_ref from nova/images/fakes for testing ami test_instance = copy.deepcopy(self.test_instance) test_instance["image_ref"] = 'c905cedb-7281-47e4-8a62-f26bc5fc4c77' # Assuming that base image already exists in image_service instance_ref = db.instance_create(self.context, test_instance) properties = {'instance_id': instance_ref['id'], 'user_id': str(self.context.user_id)} snapshot_name = 'test-snap' sent_meta = {'name': snapshot_name, 'is_public': False, 'status': 'creating', 'properties': properties} # Create new image. It will be updated in snapshot method # To work with it from snapshot, the single image_service is needed recv_meta = image_service.create(context, sent_meta) self.mox.StubOutWithMock(libvirt_driver.LibvirtDriver, '_conn') libvirt_driver.LibvirtDriver._conn.lookupByName = self.fake_lookup self.mox.StubOutWithMock(libvirt_driver.utils, 'execute') libvirt_driver.utils.execute = self.fake_execute libvirt_driver.libvirt_utils.disk_type = "qcow2" self.mox.ReplayAll() conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) conn.snapshot(self.context, instance_ref, recv_meta['id'], func_call_matcher.call) snapshot = image_service.show(context, recv_meta['id']) self.assertIsNone(func_call_matcher.match()) self.assertEquals(snapshot['properties']['image_state'], 'available') self.assertEquals(snapshot['status'], 'active') self.assertEquals(snapshot['disk_format'], 'ami') self.assertEquals(snapshot['name'], snapshot_name) def test_lxc_snapshot_in_ami_format(self): expected_calls = [ {'args': (), 'kwargs': {'task_state': task_states.IMAGE_PENDING_UPLOAD}}, {'args': (), 'kwargs': {'task_state': task_states.IMAGE_UPLOADING, 'expected_state': task_states.IMAGE_PENDING_UPLOAD}}] func_call_matcher = matchers.FunctionCallMatcher(expected_calls) self.flags(libvirt_snapshots_directory='./', libvirt_type='lxc') # Start test image_service = nova.tests.image.fake.FakeImageService() # Assign different image_ref from nova/images/fakes for testing ami test_instance = copy.deepcopy(self.test_instance) test_instance["image_ref"] = 'c905cedb-7281-47e4-8a62-f26bc5fc4c77' # Assuming that base image already exists in image_service instance_ref = db.instance_create(self.context, test_instance) properties = {'instance_id': instance_ref['id'], 'user_id': str(self.context.user_id)} snapshot_name = 'test-snap' sent_meta = {'name': snapshot_name, 'is_public': False, 'status': 'creating', 'properties': properties} # Create new image. It will be updated in snapshot method # To work with it from snapshot, the single image_service is needed recv_meta = image_service.create(context, sent_meta) self.mox.StubOutWithMock(libvirt_driver.LibvirtDriver, '_conn') libvirt_driver.LibvirtDriver._conn.lookupByName = self.fake_lookup self.mox.StubOutWithMock(libvirt_driver.utils, 'execute') libvirt_driver.utils.execute = self.fake_execute libvirt_driver.libvirt_utils.disk_type = "qcow2" self.mox.ReplayAll() conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) conn.snapshot(self.context, instance_ref, recv_meta['id'], func_call_matcher.call) snapshot = image_service.show(context, recv_meta['id']) self.assertIsNone(func_call_matcher.match()) self.assertEquals(snapshot['properties']['image_state'], 'available') self.assertEquals(snapshot['status'], 'active') self.assertEquals(snapshot['disk_format'], 'ami') self.assertEquals(snapshot['name'], snapshot_name) def test_snapshot_in_raw_format(self): expected_calls = [ {'args': (), 'kwargs': {'task_state': task_states.IMAGE_PENDING_UPLOAD}}, {'args': (), 'kwargs': {'task_state': task_states.IMAGE_UPLOADING, 'expected_state': task_states.IMAGE_PENDING_UPLOAD}}] func_call_matcher = matchers.FunctionCallMatcher(expected_calls) self.flags(libvirt_snapshots_directory='./') # Start test image_service = nova.tests.image.fake.FakeImageService() # Assuming that base image already exists in image_service instance_ref = db.instance_create(self.context, self.test_instance) properties = {'instance_id': instance_ref['id'], 'user_id': str(self.context.user_id)} snapshot_name = 'test-snap' sent_meta = {'name': snapshot_name, 'is_public': False, 'status': 'creating', 'properties': properties} # Create new image. It will be updated in snapshot method # To work with it from snapshot, the single image_service is needed recv_meta = image_service.create(context, sent_meta) self.mox.StubOutWithMock(libvirt_driver.LibvirtDriver, '_conn') libvirt_driver.LibvirtDriver._conn.lookupByName = self.fake_lookup self.mox.StubOutWithMock(libvirt_driver.utils, 'execute') libvirt_driver.utils.execute = self.fake_execute self.stubs.Set(libvirt_driver.libvirt_utils, 'disk_type', 'raw') def convert_image(source, dest, out_format): libvirt_driver.libvirt_utils.files[dest] = '' self.stubs.Set(images, 'convert_image', convert_image) self.mox.ReplayAll() conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) conn.snapshot(self.context, instance_ref, recv_meta['id'], func_call_matcher.call) snapshot = image_service.show(context, recv_meta['id']) self.assertIsNone(func_call_matcher.match()) self.assertEquals(snapshot['properties']['image_state'], 'available') self.assertEquals(snapshot['status'], 'active') self.assertEquals(snapshot['disk_format'], 'raw') self.assertEquals(snapshot['name'], snapshot_name) def test_lxc_snapshot_in_raw_format(self): expected_calls = [ {'args': (), 'kwargs': {'task_state': task_states.IMAGE_PENDING_UPLOAD}}, {'args': (), 'kwargs': {'task_state': task_states.IMAGE_UPLOADING, 'expected_state': task_states.IMAGE_PENDING_UPLOAD}}] func_call_matcher = matchers.FunctionCallMatcher(expected_calls) self.flags(libvirt_snapshots_directory='./', libvirt_type='lxc') # Start test image_service = nova.tests.image.fake.FakeImageService() # Assuming that base image already exists in image_service instance_ref = db.instance_create(self.context, self.test_instance) properties = {'instance_id': instance_ref['id'], 'user_id': str(self.context.user_id)} snapshot_name = 'test-snap' sent_meta = {'name': snapshot_name, 'is_public': False, 'status': 'creating', 'properties': properties} # Create new image. It will be updated in snapshot method # To work with it from snapshot, the single image_service is needed recv_meta = image_service.create(context, sent_meta) self.mox.StubOutWithMock(libvirt_driver.LibvirtDriver, '_conn') libvirt_driver.LibvirtDriver._conn.lookupByName = self.fake_lookup self.mox.StubOutWithMock(libvirt_driver.utils, 'execute') libvirt_driver.utils.execute = self.fake_execute self.stubs.Set(libvirt_driver.libvirt_utils, 'disk_type', 'raw') def convert_image(source, dest, out_format): libvirt_driver.libvirt_utils.files[dest] = '' self.stubs.Set(images, 'convert_image', convert_image) self.mox.ReplayAll() conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) conn.snapshot(self.context, instance_ref, recv_meta['id'], func_call_matcher.call) snapshot = image_service.show(context, recv_meta['id']) self.assertIsNone(func_call_matcher.match()) self.assertEquals(snapshot['properties']['image_state'], 'available') self.assertEquals(snapshot['status'], 'active') self.assertEquals(snapshot['disk_format'], 'raw') self.assertEquals(snapshot['name'], snapshot_name) def test_snapshot_in_qcow2_format(self): expected_calls = [ {'args': (), 'kwargs': {'task_state': task_states.IMAGE_PENDING_UPLOAD}}, {'args': (), 'kwargs': {'task_state': task_states.IMAGE_UPLOADING, 'expected_state': task_states.IMAGE_PENDING_UPLOAD}}] func_call_matcher = matchers.FunctionCallMatcher(expected_calls) self.flags(snapshot_image_format='qcow2', libvirt_snapshots_directory='./') # Start test image_service = nova.tests.image.fake.FakeImageService() # Assuming that base image already exists in image_service instance_ref = db.instance_create(self.context, self.test_instance) properties = {'instance_id': instance_ref['id'], 'user_id': str(self.context.user_id)} snapshot_name = 'test-snap' sent_meta = {'name': snapshot_name, 'is_public': False, 'status': 'creating', 'properties': properties} # Create new image. It will be updated in snapshot method # To work with it from snapshot, the single image_service is needed recv_meta = image_service.create(context, sent_meta) self.mox.StubOutWithMock(libvirt_driver.LibvirtDriver, '_conn') libvirt_driver.LibvirtDriver._conn.lookupByName = self.fake_lookup self.mox.StubOutWithMock(libvirt_driver.utils, 'execute') libvirt_driver.utils.execute = self.fake_execute libvirt_driver.libvirt_utils.disk_type = "qcow2" self.mox.ReplayAll() conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) conn.snapshot(self.context, instance_ref, recv_meta['id'], func_call_matcher.call) snapshot = image_service.show(context, recv_meta['id']) self.assertIsNone(func_call_matcher.match()) self.assertEquals(snapshot['properties']['image_state'], 'available') self.assertEquals(snapshot['status'], 'active') self.assertEquals(snapshot['disk_format'], 'qcow2') self.assertEquals(snapshot['name'], snapshot_name) def test_lxc_snapshot_in_qcow2_format(self): expected_calls = [ {'args': (), 'kwargs': {'task_state': task_states.IMAGE_PENDING_UPLOAD}}, {'args': (), 'kwargs': {'task_state': task_states.IMAGE_UPLOADING, 'expected_state': task_states.IMAGE_PENDING_UPLOAD}}] func_call_matcher = matchers.FunctionCallMatcher(expected_calls) self.flags(snapshot_image_format='qcow2', libvirt_snapshots_directory='./', libvirt_type='lxc') # Start test image_service = nova.tests.image.fake.FakeImageService() # Assuming that base image already exists in image_service instance_ref = db.instance_create(self.context, self.test_instance) properties = {'instance_id': instance_ref['id'], 'user_id': str(self.context.user_id)} snapshot_name = 'test-snap' sent_meta = {'name': snapshot_name, 'is_public': False, 'status': 'creating', 'properties': properties} # Create new image. It will be updated in snapshot method # To work with it from snapshot, the single image_service is needed recv_meta = image_service.create(context, sent_meta) self.mox.StubOutWithMock(libvirt_driver.LibvirtDriver, '_conn') libvirt_driver.LibvirtDriver._conn.lookupByName = self.fake_lookup self.mox.StubOutWithMock(libvirt_driver.utils, 'execute') libvirt_driver.utils.execute = self.fake_execute libvirt_driver.libvirt_utils.disk_type = "qcow2" self.mox.ReplayAll() conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) conn.snapshot(self.context, instance_ref, recv_meta['id'], func_call_matcher.call) snapshot = image_service.show(context, recv_meta['id']) self.assertIsNone(func_call_matcher.match()) self.assertEquals(snapshot['properties']['image_state'], 'available') self.assertEquals(snapshot['status'], 'active') self.assertEquals(snapshot['disk_format'], 'qcow2') self.assertEquals(snapshot['name'], snapshot_name) def test_snapshot_no_image_architecture(self): expected_calls = [ {'args': (), 'kwargs': {'task_state': task_states.IMAGE_PENDING_UPLOAD}}, {'args': (), 'kwargs': {'task_state': task_states.IMAGE_UPLOADING, 'expected_state': task_states.IMAGE_PENDING_UPLOAD}}] func_call_matcher = matchers.FunctionCallMatcher(expected_calls) self.flags(libvirt_snapshots_directory='./') # Start test image_service = nova.tests.image.fake.FakeImageService() # Assign different image_ref from nova/images/fakes for # testing different base image test_instance = copy.deepcopy(self.test_instance) test_instance["image_ref"] = '76fa36fc-c930-4bf3-8c8a-ea2a2420deb6' # Assuming that base image already exists in image_service instance_ref = db.instance_create(self.context, test_instance) properties = {'instance_id': instance_ref['id'], 'user_id': str(self.context.user_id)} snapshot_name = 'test-snap' sent_meta = {'name': snapshot_name, 'is_public': False, 'status': 'creating', 'properties': properties} # Create new image. It will be updated in snapshot method # To work with it from snapshot, the single image_service is needed recv_meta = image_service.create(context, sent_meta) self.mox.StubOutWithMock(libvirt_driver.LibvirtDriver, '_conn') libvirt_driver.LibvirtDriver._conn.lookupByName = self.fake_lookup self.mox.StubOutWithMock(libvirt_driver.utils, 'execute') libvirt_driver.utils.execute = self.fake_execute self.mox.ReplayAll() conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) conn.snapshot(self.context, instance_ref, recv_meta['id'], func_call_matcher.call) snapshot = image_service.show(context, recv_meta['id']) self.assertIsNone(func_call_matcher.match()) self.assertEquals(snapshot['properties']['image_state'], 'available') self.assertEquals(snapshot['status'], 'active') self.assertEquals(snapshot['name'], snapshot_name) def test_lxc_snapshot_no_image_architecture(self): expected_calls = [ {'args': (), 'kwargs': {'task_state': task_states.IMAGE_PENDING_UPLOAD}}, {'args': (), 'kwargs': {'task_state': task_states.IMAGE_UPLOADING, 'expected_state': task_states.IMAGE_PENDING_UPLOAD}}] func_call_matcher = matchers.FunctionCallMatcher(expected_calls) self.flags(libvirt_snapshots_directory='./', libvirt_type='lxc') # Start test image_service = nova.tests.image.fake.FakeImageService() # Assign different image_ref from nova/images/fakes for # testing different base image test_instance = copy.deepcopy(self.test_instance) test_instance["image_ref"] = '76fa36fc-c930-4bf3-8c8a-ea2a2420deb6' # Assuming that base image already exists in image_service instance_ref = db.instance_create(self.context, test_instance) properties = {'instance_id': instance_ref['id'], 'user_id': str(self.context.user_id)} snapshot_name = 'test-snap' sent_meta = {'name': snapshot_name, 'is_public': False, 'status': 'creating', 'properties': properties} # Create new image. It will be updated in snapshot method # To work with it from snapshot, the single image_service is needed recv_meta = image_service.create(context, sent_meta) self.mox.StubOutWithMock(libvirt_driver.LibvirtDriver, '_conn') libvirt_driver.LibvirtDriver._conn.lookupByName = self.fake_lookup self.mox.StubOutWithMock(libvirt_driver.utils, 'execute') libvirt_driver.utils.execute = self.fake_execute self.mox.ReplayAll() conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) conn.snapshot(self.context, instance_ref, recv_meta['id'], func_call_matcher.call) snapshot = image_service.show(context, recv_meta['id']) self.assertIsNone(func_call_matcher.match()) self.assertEquals(snapshot['properties']['image_state'], 'available') self.assertEquals(snapshot['status'], 'active') self.assertEquals(snapshot['name'], snapshot_name) def test_snapshot_no_original_image(self): expected_calls = [ {'args': (), 'kwargs': {'task_state': task_states.IMAGE_PENDING_UPLOAD}}, {'args': (), 'kwargs': {'task_state': task_states.IMAGE_UPLOADING, 'expected_state': task_states.IMAGE_PENDING_UPLOAD}}] func_call_matcher = matchers.FunctionCallMatcher(expected_calls) self.flags(libvirt_snapshots_directory='./') # Start test image_service = nova.tests.image.fake.FakeImageService() # Assign a non-existent image test_instance = copy.deepcopy(self.test_instance) test_instance["image_ref"] = '661122aa-1234-dede-fefe-babababababa' instance_ref = db.instance_create(self.context, test_instance) properties = {'instance_id': instance_ref['id'], 'user_id': str(self.context.user_id)} snapshot_name = 'test-snap' sent_meta = {'name': snapshot_name, 'is_public': False, 'status': 'creating', 'properties': properties} recv_meta = image_service.create(context, sent_meta) self.mox.StubOutWithMock(libvirt_driver.LibvirtDriver, '_conn') libvirt_driver.LibvirtDriver._conn.lookupByName = self.fake_lookup self.mox.StubOutWithMock(libvirt_driver.utils, 'execute') libvirt_driver.utils.execute = self.fake_execute self.mox.ReplayAll() conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) conn.snapshot(self.context, instance_ref, recv_meta['id'], func_call_matcher.call) snapshot = image_service.show(context, recv_meta['id']) self.assertIsNone(func_call_matcher.match()) self.assertEquals(snapshot['properties']['image_state'], 'available') self.assertEquals(snapshot['status'], 'active') self.assertEquals(snapshot['name'], snapshot_name) def test_lxc_snapshot_no_original_image(self): expected_calls = [ {'args': (), 'kwargs': {'task_state': task_states.IMAGE_PENDING_UPLOAD}}, {'args': (), 'kwargs': {'task_state': task_states.IMAGE_UPLOADING, 'expected_state': task_states.IMAGE_PENDING_UPLOAD}}] func_call_matcher = matchers.FunctionCallMatcher(expected_calls) self.flags(libvirt_snapshots_directory='./', libvirt_type='lxc') # Start test image_service = nova.tests.image.fake.FakeImageService() # Assign a non-existent image test_instance = copy.deepcopy(self.test_instance) test_instance["image_ref"] = '661122aa-1234-dede-fefe-babababababa' instance_ref = db.instance_create(self.context, test_instance) properties = {'instance_id': instance_ref['id'], 'user_id': str(self.context.user_id)} snapshot_name = 'test-snap' sent_meta = {'name': snapshot_name, 'is_public': False, 'status': 'creating', 'properties': properties} recv_meta = image_service.create(context, sent_meta) self.mox.StubOutWithMock(libvirt_driver.LibvirtDriver, '_conn') libvirt_driver.LibvirtDriver._conn.lookupByName = self.fake_lookup self.mox.StubOutWithMock(libvirt_driver.utils, 'execute') libvirt_driver.utils.execute = self.fake_execute self.mox.ReplayAll() conn = libvirt_driver.LibvirtDriver(False) conn.snapshot(self.context, instance_ref, recv_meta['id'], func_call_matcher.call) snapshot = image_service.show(context, recv_meta['id']) self.assertIsNone(func_call_matcher.match()) self.assertEquals(snapshot['properties']['image_state'], 'available') self.assertEquals(snapshot['status'], 'active') self.assertEquals(snapshot['name'], snapshot_name) def test_snapshot_metadata_image(self): expected_calls = [ {'args': (), 'kwargs': {'task_state': task_states.IMAGE_PENDING_UPLOAD}}, {'args': (), 'kwargs': {'task_state': task_states.IMAGE_UPLOADING, 'expected_state': task_states.IMAGE_PENDING_UPLOAD}}] func_call_matcher = matchers.FunctionCallMatcher(expected_calls) self.flags(libvirt_snapshots_directory='./') image_service = nova.tests.image.fake.FakeImageService() # Assign an image with an architecture defined (x86_64) test_instance = copy.deepcopy(self.test_instance) test_instance["image_ref"] = 'a440c04b-79fa-479c-bed1-0b816eaec379' instance_ref = db.instance_create(self.context, test_instance) properties = {'instance_id': instance_ref['id'], 'user_id': str(self.context.user_id), 'architecture': 'fake_arch', 'key_a': 'value_a', 'key_b': 'value_b'} snapshot_name = 'test-snap' sent_meta = {'name': snapshot_name, 'is_public': False, 'status': 'creating', 'properties': properties} recv_meta = image_service.create(context, sent_meta) self.mox.StubOutWithMock(libvirt_driver.LibvirtDriver, '_conn') libvirt_driver.LibvirtDriver._conn.lookupByName = self.fake_lookup self.mox.StubOutWithMock(libvirt_driver.utils, 'execute') libvirt_driver.utils.execute = self.fake_execute self.mox.ReplayAll() conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) conn.snapshot(self.context, instance_ref, recv_meta['id'], func_call_matcher.call) snapshot = image_service.show(context, recv_meta['id']) self.assertIsNone(func_call_matcher.match()) self.assertEquals(snapshot['properties']['image_state'], 'available') self.assertEquals(snapshot['properties']['architecture'], 'fake_arch') self.assertEquals(snapshot['properties']['key_a'], 'value_a') self.assertEquals(snapshot['properties']['key_b'], 'value_b') self.assertEquals(snapshot['status'], 'active') self.assertEquals(snapshot['name'], snapshot_name) def test_snapshot_with_os_type(self): expected_calls = [ {'args': (), 'kwargs': {'task_state': task_states.IMAGE_PENDING_UPLOAD}}, {'args': (), 'kwargs': {'task_state': task_states.IMAGE_UPLOADING, 'expected_state': task_states.IMAGE_PENDING_UPLOAD}}] func_call_matcher = matchers.FunctionCallMatcher(expected_calls) self.flags(libvirt_snapshots_directory='./') image_service = nova.tests.image.fake.FakeImageService() # Assign a non-existent image test_instance = copy.deepcopy(self.test_instance) test_instance["image_ref"] = '661122aa-1234-dede-fefe-babababababa' test_instance["os_type"] = 'linux' instance_ref = db.instance_create(self.context, test_instance) properties = {'instance_id': instance_ref['id'], 'user_id': str(self.context.user_id), 'os_type': instance_ref['os_type']} snapshot_name = 'test-snap' sent_meta = {'name': snapshot_name, 'is_public': False, 'status': 'creating', 'properties': properties} recv_meta = image_service.create(context, sent_meta) self.mox.StubOutWithMock(libvirt_driver.LibvirtDriver, '_conn') libvirt_driver.LibvirtDriver._conn.lookupByName = self.fake_lookup self.mox.StubOutWithMock(libvirt_driver.utils, 'execute') libvirt_driver.utils.execute = self.fake_execute self.mox.ReplayAll() conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) conn.snapshot(self.context, instance_ref, recv_meta['id'], func_call_matcher.call) snapshot = image_service.show(context, recv_meta['id']) self.assertIsNone(func_call_matcher.match()) self.assertEquals(snapshot['properties']['image_state'], 'available') self.assertEquals(snapshot['properties']['os_type'], instance_ref['os_type']) self.assertEquals(snapshot['status'], 'active') self.assertEquals(snapshot['name'], snapshot_name) def test_attach_invalid_volume_type(self): self.create_fake_libvirt_mock() libvirt_driver.LibvirtDriver._conn.lookupByName = self.fake_lookup self.mox.ReplayAll() conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) self.assertRaises(exception.VolumeDriverNotFound, conn.attach_volume, None, {"driver_volume_type": "badtype"}, {"name": "fake-instance"}, "/dev/sda") def test_attach_blockio_invalid_hypervisor(self): self.flags(libvirt_type='fake_type') self.create_fake_libvirt_mock() libvirt_driver.LibvirtDriver._conn.lookupByName = self.fake_lookup self.mox.ReplayAll() conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) self.assertRaises(exception.InvalidHypervisorType, conn.attach_volume, None, {"driver_volume_type": "fake", "data": {"logical_block_size": "4096", "physical_block_size": "4096"} }, {"name": "fake-instance"}, "/dev/sda") def test_attach_blockio_invalid_version(self): def get_lib_version_stub(): return (0 * 1000 * 1000) + (9 * 1000) + 8 self.flags(libvirt_type='qemu') self.create_fake_libvirt_mock() libvirt_driver.LibvirtDriver._conn.lookupByName = self.fake_lookup self.mox.ReplayAll() conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) self.stubs.Set(self.conn, "getLibVersion", get_lib_version_stub) self.assertRaises(exception.Invalid, conn.attach_volume, None, {"driver_volume_type": "fake", "data": {"logical_block_size": "4096", "physical_block_size": "4096"} }, {"name": "fake-instance"}, "/dev/sda") def test_multi_nic(self): instance_data = dict(self.test_instance) network_info = _fake_network_info(self.stubs, 2) conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), True) instance_ref = db.instance_create(self.context, instance_data) disk_info = blockinfo.get_disk_info(CONF.libvirt_type, instance_ref) xml = conn.to_xml(self.context, instance_ref, network_info, disk_info) tree = etree.fromstring(xml) interfaces = tree.findall("./devices/interface") self.assertEquals(len(interfaces), 2) self.assertEquals(interfaces[0].get('type'), 'bridge') def _check_xml_and_container(self, instance): user_context = context.RequestContext(self.user_id, self.project_id) instance_ref = db.instance_create(user_context, instance) self.flags(libvirt_type='lxc') conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), True) self.assertEquals(conn.uri(), 'lxc:///') network_info = _fake_network_info(self.stubs, 1) disk_info = blockinfo.get_disk_info(CONF.libvirt_type, instance_ref) xml = conn.to_xml(self.context, instance_ref, network_info, disk_info) tree = etree.fromstring(xml) check = [ (lambda t: t.find('.').get('type'), 'lxc'), (lambda t: t.find('./os/type').text, 'exe'), (lambda t: t.find('./devices/filesystem/target').get('dir'), '/')] for i, (check, expected_result) in enumerate(check): self.assertEqual(check(tree), expected_result, '%s failed common check %d' % (xml, i)) target = tree.find('./devices/filesystem/source').get('dir') self.assertTrue(len(target) > 0) def _check_xml_and_disk_prefix(self, instance, prefix=None): user_context = context.RequestContext(self.user_id, self.project_id) instance_ref = db.instance_create(user_context, instance) def _get_prefix(p, default): if p: return p + 'a' return default type_disk_map = { 'qemu': [ (lambda t: t.find('.').get('type'), 'qemu'), (lambda t: t.find('./devices/disk/target').get('dev'), _get_prefix(prefix, 'vda'))], 'xen': [ (lambda t: t.find('.').get('type'), 'xen'), (lambda t: t.find('./devices/disk/target').get('dev'), _get_prefix(prefix, 'sda'))], 'kvm': [ (lambda t: t.find('.').get('type'), 'kvm'), (lambda t: t.find('./devices/disk/target').get('dev'), _get_prefix(prefix, 'vda'))], 'uml': [ (lambda t: t.find('.').get('type'), 'uml'), (lambda t: t.find('./devices/disk/target').get('dev'), _get_prefix(prefix, 'ubda'))] } for (libvirt_type, checks) in type_disk_map.iteritems(): self.flags(libvirt_type=libvirt_type) if prefix: self.flags(libvirt_disk_prefix=prefix) conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), True) network_info = _fake_network_info(self.stubs, 1) disk_info = blockinfo.get_disk_info(CONF.libvirt_type, instance_ref) xml = conn.to_xml(self.context, instance_ref, network_info, disk_info) tree = etree.fromstring(xml) for i, (check, expected_result) in enumerate(checks): self.assertEqual(check(tree), expected_result, '%s != %s failed check %d' % (check(tree), expected_result, i)) def _check_xml_and_disk_driver(self, image_meta): os_open = os.open directio_supported = True def os_open_stub(path, flags, *args, **kwargs): if flags & os.O_DIRECT: if not directio_supported: raise OSError(errno.EINVAL, '%s: %s' % (os.strerror(errno.EINVAL), path)) flags &= ~os.O_DIRECT return os_open(path, flags, *args, **kwargs) self.stubs.Set(os, 'open', os_open_stub) def connection_supports_direct_io_stub(*args, **kwargs): return directio_supported self.stubs.Set(libvirt_driver.LibvirtDriver, '_supports_direct_io', connection_supports_direct_io_stub) user_context = context.RequestContext(self.user_id, self.project_id) instance_ref = db.instance_create(user_context, self.test_instance) network_info = _fake_network_info(self.stubs, 1) drv = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), True) disk_info = blockinfo.get_disk_info(CONF.libvirt_type, instance_ref) xml = drv.to_xml(self.context, instance_ref, network_info, disk_info, image_meta) tree = etree.fromstring(xml) disks = tree.findall('./devices/disk/driver') for disk in disks: self.assertEqual(disk.get("cache"), "none") directio_supported = False # The O_DIRECT availability is cached on first use in # LibvirtDriver, hence we re-create it here drv = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), True) disk_info = blockinfo.get_disk_info(CONF.libvirt_type, instance_ref) xml = drv.to_xml(self.context, instance_ref, network_info, disk_info, image_meta) tree = etree.fromstring(xml) disks = tree.findall('./devices/disk/driver') for disk in disks: self.assertEqual(disk.get("cache"), "writethrough") def _check_xml_and_disk_bus(self, image_meta, block_device_info, wantConfig): user_context = context.RequestContext(self.user_id, self.project_id) instance_ref = db.instance_create(user_context, self.test_instance) network_info = _fake_network_info(self.stubs, 1) drv = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), True) disk_info = blockinfo.get_disk_info(CONF.libvirt_type, instance_ref, block_device_info, image_meta) xml = drv.to_xml(self.context, instance_ref, network_info, disk_info, image_meta, block_device_info=block_device_info) tree = etree.fromstring(xml) got_disks = tree.findall('./devices/disk') got_disk_targets = tree.findall('./devices/disk/target') for i in range(len(wantConfig)): want_device_type = wantConfig[i][0] want_device_bus = wantConfig[i][1] want_device_dev = wantConfig[i][2] got_device_type = got_disks[i].get('device') got_device_bus = got_disk_targets[i].get('bus') got_device_dev = got_disk_targets[i].get('dev') self.assertEqual(got_device_type, want_device_type) self.assertEqual(got_device_bus, want_device_bus) self.assertEqual(got_device_dev, want_device_dev) def _check_xml_and_uuid(self, image_meta): user_context = context.RequestContext(self.user_id, self.project_id) instance_ref = db.instance_create(user_context, self.test_instance) network_info = _fake_network_info(self.stubs, 1) drv = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), True) disk_info = blockinfo.get_disk_info(CONF.libvirt_type, instance_ref) xml = drv.to_xml(self.context, instance_ref, network_info, disk_info, image_meta) tree = etree.fromstring(xml) self.assertEqual(tree.find('./uuid').text, instance_ref['uuid']) def _check_xml_and_uri(self, instance, expect_ramdisk, expect_kernel, rescue=None, expect_xen_hvm=False, xen_only=False): user_context = context.RequestContext(self.user_id, self.project_id) instance_ref = db.instance_create(user_context, instance) network_ref = db.project_get_networks(context.get_admin_context(), self.project_id)[0] type_uri_map = {'qemu': ('qemu:///system', [(lambda t: t.find('.').get('type'), 'qemu'), (lambda t: t.find('./os/type').text, vm_mode.HVM), (lambda t: t.find('./devices/emulator'), None)]), 'kvm': ('qemu:///system', [(lambda t: t.find('.').get('type'), 'kvm'), (lambda t: t.find('./os/type').text, vm_mode.HVM), (lambda t: t.find('./devices/emulator'), None)]), 'uml': ('uml:///system', [(lambda t: t.find('.').get('type'), 'uml'), (lambda t: t.find('./os/type').text, vm_mode.UML)]), 'xen': ('xen:///', [(lambda t: t.find('.').get('type'), 'xen'), (lambda t: t.find('./os/type').text, vm_mode.XEN)])} if expect_xen_hvm or xen_only: hypervisors_to_check = ['xen'] else: hypervisors_to_check = ['qemu', 'kvm', 'xen'] if expect_xen_hvm: type_uri_map = {} type_uri_map['xen'] = ('xen:///', [(lambda t: t.find('.').get('type'), 'xen'), (lambda t: t.find('./os/type').text, vm_mode.HVM)]) for hypervisor_type in hypervisors_to_check: check_list = type_uri_map[hypervisor_type][1] if rescue: suffix = '.rescue' else: suffix = '' if expect_kernel: check = (lambda t: self.relpath(t.find('./os/kernel').text). split('/')[1], 'kernel' + suffix) else: check = (lambda t: t.find('./os/kernel'), None) check_list.append(check) # Hypervisors that only support vm_mode.HVM should # not produce configuration that results in kernel # arguments if not expect_kernel and hypervisor_type in ['qemu', 'kvm']: check = (lambda t: t.find('./os/root'), None) check_list.append(check) check = (lambda t: t.find('./os/cmdline'), None) check_list.append(check) if expect_ramdisk: check = (lambda t: self.relpath(t.find('./os/initrd').text). split('/')[1], 'ramdisk' + suffix) else: check = (lambda t: t.find('./os/initrd'), None) check_list.append(check) if hypervisor_type in ['qemu', 'kvm']: xpath = "./sysinfo/system/entry" check = (lambda t: t.findall(xpath)[0].get("name"), "manufacturer") check_list.append(check) check = (lambda t: t.findall(xpath)[0].text, version.vendor_string()) check_list.append(check) check = (lambda t: t.findall(xpath)[1].get("name"), "product") check_list.append(check) check = (lambda t: t.findall(xpath)[1].text, version.product_string()) check_list.append(check) check = (lambda t: t.findall(xpath)[2].get("name"), "version") check_list.append(check) # NOTE(sirp): empty strings don't roundtrip in lxml (they are # converted to None), so we need an `or ''` to correct for that check = (lambda t: t.findall(xpath)[2].text or '', version.version_string_with_package()) check_list.append(check) check = (lambda t: t.findall(xpath)[3].get("name"), "serial") check_list.append(check) check = (lambda t: t.findall(xpath)[3].text, "cef19ce0-0ca2-11df-855d-b19fbce37686") check_list.append(check) check = (lambda t: t.findall(xpath)[4].get("name"), "uuid") check_list.append(check) check = (lambda t: t.findall(xpath)[4].text, instance['uuid']) check_list.append(check) if hypervisor_type in ['qemu', 'kvm']: check = (lambda t: t.findall('./devices/serial')[0].get( 'type'), 'file') check_list.append(check) check = (lambda t: t.findall('./devices/serial')[1].get( 'type'), 'pty') check_list.append(check) check = (lambda t: self.relpath(t.findall( './devices/serial/source')[0].get('path')). split('/')[1], 'console.log') check_list.append(check) else: check = (lambda t: t.find('./devices/console').get( 'type'), 'pty') check_list.append(check) common_checks = [ (lambda t: t.find('.').tag, 'domain'), (lambda t: t.find('./memory').text, '2097152')] if rescue: common_checks += [ (lambda t: self.relpath(t.findall('./devices/disk/source')[0]. get('file')).split('/')[1], 'disk.rescue'), (lambda t: self.relpath(t.findall('./devices/disk/source')[1]. get('file')).split('/')[1], 'disk')] else: common_checks += [(lambda t: self.relpath(t.findall( './devices/disk/source')[0].get('file')).split('/')[1], 'disk')] common_checks += [(lambda t: self.relpath(t.findall( './devices/disk/source')[1].get('file')).split('/')[1], 'disk.local')] for (libvirt_type, (expected_uri, checks)) in type_uri_map.iteritems(): self.flags(libvirt_type=libvirt_type) conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), True) self.assertEquals(conn.uri(), expected_uri) network_info = _fake_network_info(self.stubs, 1) disk_info = blockinfo.get_disk_info(CONF.libvirt_type, instance_ref, rescue=rescue) xml = conn.to_xml(self.context, instance_ref, network_info, disk_info, rescue=rescue) tree = etree.fromstring(xml) for i, (check, expected_result) in enumerate(checks): self.assertEqual(check(tree), expected_result, '%s != %s failed check %d' % (check(tree), expected_result, i)) for i, (check, expected_result) in enumerate(common_checks): self.assertEqual(check(tree), expected_result, '%s != %s failed common check %d' % (check(tree), expected_result, i)) filterref = './devices/interface/filterref' vif = network_info[0] nic_id = vif['address'].replace(':', '') fw = firewall.NWFilterFirewall(fake.FakeVirtAPI(), conn) instance_filter_name = fw._instance_filter_name(instance_ref, nic_id) self.assertEqual(tree.find(filterref).get('filter'), instance_filter_name) # This test is supposed to make sure we don't # override a specifically set uri # # Deliberately not just assigning this string to CONF.libvirt_uri and # checking against that later on. This way we make sure the # implementation doesn't fiddle around with the CONF. testuri = 'something completely different' self.flags(libvirt_uri=testuri) for (libvirt_type, (expected_uri, checks)) in type_uri_map.iteritems(): self.flags(libvirt_type=libvirt_type) conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), True) self.assertEquals(conn.uri(), testuri) db.instance_destroy(user_context, instance_ref['uuid']) def test_ensure_filtering_rules_for_instance_timeout(self): # ensure_filtering_fules_for_instance() finishes with timeout. # Preparing mocks def fake_none(self, *args): return def fake_raise(self): raise libvirt.libvirtError('ERR') class FakeTime(object): def __init__(self): self.counter = 0 def sleep(self, t): self.counter += t fake_timer = FakeTime() # _fake_network_info must be called before create_fake_libvirt_mock(), # as _fake_network_info calls importutils.import_class() and # create_fake_libvirt_mock() mocks importutils.import_class(). network_info = _fake_network_info(self.stubs, 1) self.create_fake_libvirt_mock() instance_ref = db.instance_create(self.context, self.test_instance) # Start test self.mox.ReplayAll() try: conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) self.stubs.Set(conn.firewall_driver, 'setup_basic_filtering', fake_none) self.stubs.Set(conn.firewall_driver, 'prepare_instance_filter', fake_none) self.stubs.Set(conn.firewall_driver, 'instance_filter_exists', fake_none) conn.ensure_filtering_rules_for_instance(instance_ref, network_info, time_module=fake_timer) except exception.NovaException as e: msg = ('The firewall filter for %s does not exist' % instance_ref['name']) c1 = (0 <= str(e).find(msg)) self.assertTrue(c1) self.assertEqual(29, fake_timer.counter, "Didn't wait the expected " "amount of time") db.instance_destroy(self.context, instance_ref['uuid']) def test_check_can_live_migrate_dest_all_pass_with_block_migration(self): instance_ref = db.instance_create(self.context, self.test_instance) conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) compute_info = {'disk_available_least': 400, 'cpu_info': 'asdf', } filename = "file" self.mox.StubOutWithMock(conn, '_create_shared_storage_test_file') self.mox.StubOutWithMock(conn, '_compare_cpu') # _check_cpu_match conn._compare_cpu("asdf") # mounted_on_same_shared_storage conn._create_shared_storage_test_file().AndReturn(filename) self.mox.ReplayAll() return_value = conn.check_can_live_migrate_destination(self.context, instance_ref, compute_info, compute_info, True) self.assertThat({"filename": "file", 'disk_available_mb': 409600, "disk_over_commit": False, "block_migration": True}, matchers.DictMatches(return_value)) def test_check_can_live_migrate_dest_all_pass_no_block_migration(self): instance_ref = db.instance_create(self.context, self.test_instance) conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) compute_info = {'cpu_info': 'asdf'} filename = "file" self.mox.StubOutWithMock(conn, '_create_shared_storage_test_file') self.mox.StubOutWithMock(conn, '_compare_cpu') # _check_cpu_match conn._compare_cpu("asdf") # mounted_on_same_shared_storage conn._create_shared_storage_test_file().AndReturn(filename) self.mox.ReplayAll() return_value = conn.check_can_live_migrate_destination(self.context, instance_ref, compute_info, compute_info, False) self.assertThat({"filename": "file", "block_migration": False, "disk_over_commit": False, "disk_available_mb": None}, matchers.DictMatches(return_value)) def test_check_can_live_migrate_dest_incompatible_cpu_raises(self): instance_ref = db.instance_create(self.context, self.test_instance) conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) compute_info = {'cpu_info': 'asdf'} self.mox.StubOutWithMock(conn, '_compare_cpu') conn._compare_cpu("asdf").AndRaise(exception.InvalidCPUInfo( reason='foo') ) self.mox.ReplayAll() self.assertRaises(exception.InvalidCPUInfo, conn.check_can_live_migrate_destination, self.context, instance_ref, compute_info, compute_info, False) def test_check_can_live_migrate_dest_cleanup_works_correctly(self): instance_ref = db.instance_create(self.context, self.test_instance) dest_check_data = {"filename": "file", "block_migration": True, "disk_over_commit": False, "disk_available_mb": 1024} conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) self.mox.StubOutWithMock(conn, '_cleanup_shared_storage_test_file') conn._cleanup_shared_storage_test_file("file") self.mox.ReplayAll() conn.check_can_live_migrate_destination_cleanup(self.context, dest_check_data) def test_check_can_live_migrate_source_works_correctly(self): instance_ref = db.instance_create(self.context, self.test_instance) dest_check_data = {"filename": "file", "block_migration": True, "disk_over_commit": False, "disk_available_mb": 1024} conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) self.mox.StubOutWithMock(conn, "_check_shared_storage_test_file") conn._check_shared_storage_test_file("file").AndReturn(False) self.mox.StubOutWithMock(conn, "get_instance_disk_info") conn.get_instance_disk_info(instance_ref['name']).AndReturn('[]') self.mox.StubOutWithMock(conn, "_assert_dest_node_has_enough_disk") conn._assert_dest_node_has_enough_disk( self.context, instance_ref, dest_check_data['disk_available_mb'], False) self.mox.ReplayAll() conn.check_can_live_migrate_source(self.context, instance_ref, dest_check_data) def test_check_can_live_migrate_source_vol_backed_works_correctly(self): instance_ref = db.instance_create(self.context, self.test_instance) dest_check_data = {"filename": "file", "block_migration": False, "disk_over_commit": False, "disk_available_mb": 1024, "is_volume_backed": True} conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) self.mox.StubOutWithMock(conn, "_check_shared_storage_test_file") conn._check_shared_storage_test_file("file").AndReturn(False) self.mox.StubOutWithMock(conn, "get_instance_disk_info") conn.get_instance_disk_info(instance_ref['name']).AndReturn('[]') self.mox.ReplayAll() ret = conn.check_can_live_migrate_source(self.context, instance_ref, dest_check_data) self.assertTrue(type(ret) == dict) self.assertTrue('is_shared_storage' in ret) def test_check_can_live_migrate_source_vol_backed_w_disk_raises(self): instance_ref = db.instance_create(self.context, self.test_instance) dest_check_data = {"filename": "file", "block_migration": False, "disk_over_commit": False, "disk_available_mb": 1024, "is_volume_backed": True} conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) self.mox.StubOutWithMock(conn, "_check_shared_storage_test_file") conn._check_shared_storage_test_file("file").AndReturn(False) self.mox.StubOutWithMock(conn, "get_instance_disk_info") conn.get_instance_disk_info(instance_ref['name']).AndReturn( '[{"fake_disk_attr": "fake_disk_val"}]') self.mox.ReplayAll() self.assertRaises(exception.InvalidSharedStorage, conn.check_can_live_migrate_source, self.context, instance_ref, dest_check_data) def test_check_can_live_migrate_source_vol_backed_fails(self): instance_ref = db.instance_create(self.context, self.test_instance) dest_check_data = {"filename": "file", "block_migration": False, "disk_over_commit": False, "disk_available_mb": 1024, "is_volume_backed": False} conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) self.mox.StubOutWithMock(conn, "_check_shared_storage_test_file") conn._check_shared_storage_test_file("file").AndReturn(False) self.mox.StubOutWithMock(conn, "get_instance_disk_info") conn.get_instance_disk_info(instance_ref['name']).AndReturn( '[{"fake_disk_attr": "fake_disk_val"}]') self.mox.ReplayAll() self.assertRaises(exception.InvalidSharedStorage, conn.check_can_live_migrate_source, self.context, instance_ref, dest_check_data) def test_check_can_live_migrate_dest_fail_shared_storage_with_blockm(self): instance_ref = db.instance_create(self.context, self.test_instance) dest_check_data = {"filename": "file", "block_migration": True, "disk_over_commit": False, 'disk_available_mb': 1024} conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) self.mox.StubOutWithMock(conn, "_check_shared_storage_test_file") conn._check_shared_storage_test_file("file").AndReturn(True) self.mox.StubOutWithMock(conn, "get_instance_disk_info") conn.get_instance_disk_info(instance_ref['name']).AndReturn('[]') self.mox.ReplayAll() self.assertRaises(exception.InvalidLocalStorage, conn.check_can_live_migrate_source, self.context, instance_ref, dest_check_data) def test_check_can_live_migrate_no_shared_storage_no_blck_mig_raises(self): instance_ref = db.instance_create(self.context, self.test_instance) dest_check_data = {"filename": "file", "block_migration": False, "disk_over_commit": False, 'disk_available_mb': 1024} conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) self.mox.StubOutWithMock(conn, "_check_shared_storage_test_file") conn._check_shared_storage_test_file("file").AndReturn(False) self.mox.StubOutWithMock(conn, "get_instance_disk_info") conn.get_instance_disk_info(instance_ref['name']).AndReturn('[]') self.mox.ReplayAll() self.assertRaises(exception.InvalidSharedStorage, conn.check_can_live_migrate_source, self.context, instance_ref, dest_check_data) def test_check_can_live_migrate_source_with_dest_not_enough_disk(self): instance_ref = db.instance_create(self.context, self.test_instance) conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) self.mox.StubOutWithMock(conn, "_check_shared_storage_test_file") conn._check_shared_storage_test_file("file").AndReturn(False) self.mox.StubOutWithMock(conn, "get_instance_disk_info") conn.get_instance_disk_info(instance_ref["name"]).AndReturn( '[{"virt_disk_size":2}]') conn.get_instance_disk_info(instance_ref["name"]).AndReturn( '[{"virt_disk_size":2}]') dest_check_data = {"filename": "file", "disk_available_mb": 0, "block_migration": True, "disk_over_commit": False} self.mox.ReplayAll() self.assertRaises(exception.MigrationError, conn.check_can_live_migrate_source, self.context, instance_ref, dest_check_data) def test_live_migration_raises_exception(self): # Confirms recover method is called when exceptions are raised. # Preparing data self.compute = importutils.import_object(CONF.compute_manager) instance_dict = {'host': 'fake', 'power_state': power_state.RUNNING, 'vm_state': vm_states.ACTIVE} instance_ref = db.instance_create(self.context, self.test_instance) instance_ref = db.instance_update(self.context, instance_ref['uuid'], instance_dict) # Preparing mocks vdmock = self.mox.CreateMock(libvirt.virDomain) self.mox.StubOutWithMock(vdmock, "migrateToURI") _bandwidth = CONF.live_migration_bandwidth vdmock.migrateToURI(CONF.live_migration_uri % 'dest', mox.IgnoreArg(), None, _bandwidth).AndRaise(libvirt.libvirtError('ERR')) def fake_lookup(instance_name): if instance_name == instance_ref['name']: return vdmock self.create_fake_libvirt_mock(lookupByName=fake_lookup) self.mox.StubOutWithMock(self.compute, "_rollback_live_migration") self.compute._rollback_live_migration(self.context, instance_ref, 'dest', False) #start test self.mox.ReplayAll() conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) self.assertRaises(libvirt.libvirtError, conn._live_migration, self.context, instance_ref, 'dest', False, self.compute._rollback_live_migration) instance_ref = db.instance_get(self.context, instance_ref['id']) self.assertTrue(instance_ref['vm_state'] == vm_states.ACTIVE) self.assertTrue(instance_ref['power_state'] == power_state.RUNNING) db.instance_destroy(self.context, instance_ref['uuid']) def _do_test_create_images_and_backing(self, disk_type): conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) self.mox.StubOutWithMock(conn, '_fetch_instance_kernel_ramdisk') self.mox.StubOutWithMock(libvirt_driver.libvirt_utils, 'create_image') disk_info = {'path': 'foo', 'type': disk_type, 'disk_size': 1 * 1024 ** 3, 'virt_disk_size': 20 * 1024 ** 3, 'backing_file': None} disk_info_json = jsonutils.dumps([disk_info]) libvirt_driver.libvirt_utils.create_image( disk_info['type'], mox.IgnoreArg(), disk_info['virt_disk_size']) conn._fetch_instance_kernel_ramdisk(self.context, self.test_instance) self.mox.ReplayAll() self.stubs.Set(os.path, 'exists', lambda *args: False) conn._create_images_and_backing(self.context, self.test_instance, "/fake/instance/dir", disk_info_json) def test_create_images_and_backing_qcow2(self): self._do_test_create_images_and_backing('qcow2') def test_create_images_and_backing_raw(self): self._do_test_create_images_and_backing('raw') def test_create_images_and_backing_ephemeral_gets_created(self): conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) disk_info_json = jsonutils.dumps( [{u'backing_file': u'fake_image_backing_file', u'disk_size': 10747904, u'path': u'disk_path', u'type': u'qcow2', u'virt_disk_size': 25165824}, {u'backing_file': u'ephemeral_1_default', u'disk_size': 393216, u'over_committed_disk_size': 1073348608, u'path': u'disk_eph_path', u'type': u'qcow2', u'virt_disk_size': 1073741824}]) base_dir = os.path.join(CONF.instances_path, CONF.base_dir_name) self.test_instance.update({'name': 'fake_instance', 'user_id': 'fake-user', 'os_type': None, 'project_id': 'fake-project'}) with contextlib.nested( mock.patch.object(conn, '_fetch_instance_kernel_ramdisk'), mock.patch.object(libvirt_driver.libvirt_utils, 'fetch_image'), mock.patch.object(conn, '_create_ephemeral') ) as (fetch_kernel_ramdisk_mock, fetch_image_mock, create_ephemeral_mock): conn._create_images_and_backing(self.context, self.test_instance, "/fake/instance/dir", disk_info_json) self.assertEqual(len(create_ephemeral_mock.call_args_list), 1) m_args, m_kwargs = create_ephemeral_mock.call_args_list[0] self.assertEqual( os.path.join(base_dir, 'ephemeral_1_default'), m_kwargs['target']) self.assertEqual(len(fetch_image_mock.call_args_list), 1) m_args, m_kwargs = fetch_image_mock.call_args_list[0] self.assertEqual( os.path.join(base_dir, 'fake_image_backing_file'), m_kwargs['target']) def test_create_images_and_backing_disk_info_none(self): conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) self.mox.StubOutWithMock(conn, '_fetch_instance_kernel_ramdisk') conn._fetch_instance_kernel_ramdisk(self.context, self.test_instance) self.mox.ReplayAll() conn._create_images_and_backing(self.context, self.test_instance, "/fake/instance/dir", None) def test_pre_live_migration_works_correctly_mocked(self): # Creating testdata vol = {'block_device_mapping': [ {'connection_info': 'dummy', 'mount_device': '/dev/sda'}, {'connection_info': 'dummy', 'mount_device': '/dev/sdb'}]} conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) class FakeNetworkInfo(): def fixed_ips(self): return ["test_ip_addr"] def fake_none(*args, **kwargs): return self.stubs.Set(conn, '_create_images_and_backing', fake_none) inst_ref = {'id': 'foo'} c = context.get_admin_context() nw_info = FakeNetworkInfo() # Creating mocks self.mox.StubOutWithMock(driver, "block_device_info_get_mapping") driver.block_device_info_get_mapping(vol ).AndReturn(vol['block_device_mapping']) self.mox.StubOutWithMock(conn, "volume_driver_method") for v in vol['block_device_mapping']: disk_info = { 'bus': "scsi", 'dev': v['mount_device'].rpartition("/")[2], 'type': "disk" } conn.volume_driver_method('connect_volume', v['connection_info'], disk_info) self.mox.StubOutWithMock(conn, 'plug_vifs') conn.plug_vifs(mox.IsA(inst_ref), nw_info) self.mox.ReplayAll() result = conn.pre_live_migration(c, inst_ref, vol, nw_info, None) self.assertEqual(result, None) def test_pre_live_migration_vol_backed_works_correctly_mocked(self): # Creating testdata, using temp dir. with utils.tempdir() as tmpdir: self.flags(instances_path=tmpdir) vol = {'block_device_mapping': [ {'connection_info': 'dummy', 'mount_device': '/dev/sda'}, {'connection_info': 'dummy', 'mount_device': '/dev/sdb'}]} conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) def fake_none(*args, **kwargs): return self.stubs.Set(conn, '_create_images_and_backing', fake_none) class FakeNetworkInfo(): def fixed_ips(self): return ["test_ip_addr"] inst_ref = db.instance_create(self.context, self.test_instance) c = context.get_admin_context() nw_info = FakeNetworkInfo() # Creating mocks self.mox.StubOutWithMock(conn, "volume_driver_method") for v in vol['block_device_mapping']: disk_info = { 'bus': "scsi", 'dev': v['mount_device'].rpartition("/")[2], 'type': "disk" } conn.volume_driver_method('connect_volume', v['connection_info'], disk_info) self.mox.StubOutWithMock(conn, 'plug_vifs') conn.plug_vifs(mox.IsA(inst_ref), nw_info) self.mox.ReplayAll() migrate_data = {'is_shared_storage': False, 'is_volume_backed': True, 'block_migration': False, 'instance_relative_path': inst_ref['name'] } ret = conn.pre_live_migration(c, inst_ref, vol, nw_info, None, migrate_data) self.assertEqual(ret, None) self.assertTrue(os.path.exists('%s/%s/' % (tmpdir, inst_ref['name']))) db.instance_destroy(self.context, inst_ref['uuid']) def test_pre_live_migration_plug_vifs_retry_fails(self): self.flags(live_migration_retry_count=3) instance = {'name': 'test', 'uuid': 'uuid'} def fake_plug_vifs(instance, network_info): raise processutils.ProcessExecutionError() conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) self.stubs.Set(conn, 'plug_vifs', fake_plug_vifs) self.assertRaises(processutils.ProcessExecutionError, conn.pre_live_migration, self.context, instance, block_device_info=None, network_info=[], disk_info={}) def test_pre_live_migration_plug_vifs_retry_works(self): self.flags(live_migration_retry_count=3) called = {'count': 0} instance = {'name': 'test', 'uuid': 'uuid'} def fake_plug_vifs(instance, network_info): called['count'] += 1 if called['count'] < CONF.live_migration_retry_count: raise processutils.ProcessExecutionError() else: return conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) self.stubs.Set(conn, 'plug_vifs', fake_plug_vifs) conn.pre_live_migration(self.context, instance, block_device_info=None, network_info=[], disk_info={}) def test_get_instance_disk_info_works_correctly(self): # Test data instance_ref = db.instance_create(self.context, self.test_instance) dummyxml = ("instance-0000000a" "" "" "" "" "" "" "" "") # Preparing mocks vdmock = self.mox.CreateMock(libvirt.virDomain) self.mox.StubOutWithMock(vdmock, "XMLDesc") vdmock.XMLDesc(0).AndReturn(dummyxml) def fake_lookup(instance_name): if instance_name == instance_ref['name']: return vdmock self.create_fake_libvirt_mock(lookupByName=fake_lookup) GB = 1024 * 1024 * 1024 fake_libvirt_utils.disk_sizes['/test/disk'] = 10 * GB fake_libvirt_utils.disk_sizes['/test/disk.local'] = 20 * GB fake_libvirt_utils.disk_backing_files['/test/disk.local'] = 'file' self.mox.StubOutWithMock(os.path, "getsize") os.path.getsize('/test/disk').AndReturn((10737418240)) os.path.getsize('/test/disk.local').AndReturn((3328599655)) ret = ("image: /test/disk\n" "file format: raw\n" "virtual size: 20G (21474836480 bytes)\n" "disk size: 3.1G\n" "cluster_size: 2097152\n" "backing file: /test/dummy (actual path: /backing/file)\n") self.mox.StubOutWithMock(os.path, "exists") os.path.exists('/test/disk.local').AndReturn(True) self.mox.StubOutWithMock(utils, "execute") utils.execute('env', 'LC_ALL=C', 'LANG=C', 'qemu-img', 'info', '/test/disk.local').AndReturn((ret, '')) self.mox.ReplayAll() conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) info = conn.get_instance_disk_info(instance_ref['name']) info = jsonutils.loads(info) self.assertEquals(info[0]['type'], 'raw') self.assertEquals(info[0]['path'], '/test/disk') self.assertEquals(info[0]['disk_size'], 10737418240) self.assertEquals(info[0]['backing_file'], "") self.assertEquals(info[0]['over_committed_disk_size'], 0) self.assertEquals(info[1]['type'], 'qcow2') self.assertEquals(info[1]['path'], '/test/disk.local') self.assertEquals(info[1]['virt_disk_size'], 21474836480) self.assertEquals(info[1]['backing_file'], "file") self.assertEquals(info[1]['over_committed_disk_size'], 18146236825) db.instance_destroy(self.context, instance_ref['uuid']) def test_post_live_migration(self): vol = {'block_device_mapping': [ {'connection_info': 'dummy1', 'mount_device': '/dev/sda'}, {'connection_info': 'dummy2', 'mount_device': '/dev/sdb'}]} conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) inst_ref = {'id': 'foo'} cntx = context.get_admin_context() # Set up the mock expectations with contextlib.nested( mock.patch.object(driver, 'block_device_info_get_mapping', return_value=vol['block_device_mapping']), mock.patch.object(conn, 'volume_driver_method') ) as (block_device_info_get_mapping, volume_driver_method): conn.post_live_migration(cntx, inst_ref, vol) block_device_info_get_mapping.assert_has_calls([ mock.call(vol)]) volume_driver_method.assert_has_calls([ mock.call('disconnect_volume', v['connection_info'], v['mount_device'].rpartition("/")[2]) for v in vol['block_device_mapping']]) def test_get_instance_disk_info_excludes_volumes(self): # Test data instance_ref = db.instance_create(self.context, self.test_instance) dummyxml = ("instance-0000000a" "" "" "" "" "" "" "" "" "" "" "" "" "" "") # Preparing mocks vdmock = self.mox.CreateMock(libvirt.virDomain) self.mox.StubOutWithMock(vdmock, "XMLDesc") vdmock.XMLDesc(0).AndReturn(dummyxml) def fake_lookup(instance_name): if instance_name == instance_ref['name']: return vdmock self.create_fake_libvirt_mock(lookupByName=fake_lookup) GB = 1024 * 1024 * 1024 fake_libvirt_utils.disk_sizes['/test/disk'] = 10 * GB fake_libvirt_utils.disk_sizes['/test/disk.local'] = 20 * GB fake_libvirt_utils.disk_backing_files['/test/disk.local'] = 'file' self.mox.StubOutWithMock(os.path, "getsize") os.path.getsize('/test/disk').AndReturn((10737418240)) os.path.getsize('/test/disk.local').AndReturn((3328599655)) ret = ("image: /test/disk\n" "file format: raw\n" "virtual size: 20G (21474836480 bytes)\n" "disk size: 3.1G\n" "cluster_size: 2097152\n" "backing file: /test/dummy (actual path: /backing/file)\n") self.mox.StubOutWithMock(os.path, "exists") os.path.exists('/test/disk.local').AndReturn(True) self.mox.StubOutWithMock(utils, "execute") utils.execute('env', 'LC_ALL=C', 'LANG=C', 'qemu-img', 'info', '/test/disk.local').AndReturn((ret, '')) self.mox.ReplayAll() conn_info = {'driver_volume_type': 'fake'} info = {'block_device_mapping': [ {'connection_info': conn_info, 'mount_device': '/dev/vdc'}, {'connection_info': conn_info, 'mount_device': '/dev/vdd'}]} conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) info = conn.get_instance_disk_info(instance_ref['name'], block_device_info=info) info = jsonutils.loads(info) self.assertEquals(info[0]['type'], 'raw') self.assertEquals(info[0]['path'], '/test/disk') self.assertEquals(info[0]['disk_size'], 10737418240) self.assertEquals(info[0]['backing_file'], "") self.assertEquals(info[0]['over_committed_disk_size'], 0) self.assertEquals(info[1]['type'], 'qcow2') self.assertEquals(info[1]['path'], '/test/disk.local') self.assertEquals(info[1]['virt_disk_size'], 21474836480) self.assertEquals(info[1]['backing_file'], "file") self.assertEquals(info[1]['over_committed_disk_size'], 18146236825) db.instance_destroy(self.context, instance_ref['uuid']) def test_spawn_with_network_info(self): # Preparing mocks def fake_none(*args, **kwargs): return def fake_getLibVersion(): return 9007 def fake_getCapabilities(): return """ cef19ce0-0ca2-11df-855d-b19fbce37686 x86_64 Penryn Intel """ # _fake_network_info must be called before create_fake_libvirt_mock(), # as _fake_network_info calls importutils.import_class() and # create_fake_libvirt_mock() mocks importutils.import_class(). network_info = _fake_network_info(self.stubs, 1) self.create_fake_libvirt_mock(getLibVersion=fake_getLibVersion, getCapabilities=fake_getCapabilities, getVersion=lambda: 1005001) instance_ref = self.test_instance instance_ref['image_ref'] = 123456 # we send an int to test sha1 call instance_type = db.flavor_get(self.context, instance_ref['instance_type_id']) sys_meta = flavors.save_flavor_info({}, instance_type) instance_ref['system_metadata'] = sys_meta instance = db.instance_create(self.context, instance_ref) # Mock out the get_info method of the LibvirtDriver so that the polling # in the spawn method of the LibvirtDriver returns immediately self.mox.StubOutWithMock(libvirt_driver.LibvirtDriver, 'get_info') libvirt_driver.LibvirtDriver.get_info(instance ).AndReturn({'state': power_state.RUNNING}) # Start test self.mox.ReplayAll() conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) self.stubs.Set(conn.firewall_driver, 'setup_basic_filtering', fake_none) self.stubs.Set(conn.firewall_driver, 'prepare_instance_filter', fake_none) self.stubs.Set(imagebackend.Image, 'cache', fake_none) conn.spawn(self.context, instance, None, [], 'herp', network_info=network_info) path = os.path.join(CONF.instances_path, instance['name']) if os.path.isdir(path): shutil.rmtree(path) path = os.path.join(CONF.instances_path, CONF.base_dir_name) if os.path.isdir(path): shutil.rmtree(os.path.join(CONF.instances_path, CONF.base_dir_name)) def test_spawn_without_image_meta(self): self.create_image_called = False def fake_none(*args, **kwargs): return def fake_create_image(*args, **kwargs): self.create_image_called = True def fake_get_info(instance): return {'state': power_state.RUNNING} instance_ref = self.test_instance instance_ref['image_ref'] = 1 instance = db.instance_create(self.context, instance_ref) conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) self.stubs.Set(conn, 'to_xml', fake_none) self.stubs.Set(conn, '_create_image', fake_create_image) self.stubs.Set(conn, '_create_domain_and_network', fake_none) self.stubs.Set(conn, 'get_info', fake_get_info) conn.spawn(self.context, instance, None, [], None) self.assertTrue(self.create_image_called) conn.spawn(self.context, instance, {'id': instance['image_ref']}, [], None) self.assertTrue(self.create_image_called) def test_spawn_from_volume_calls_cache(self): self.cache_called_for_disk = False def fake_none(*args, **kwargs): return def fake_cache(*args, **kwargs): if kwargs.get('image_id') == 'my_fake_image': self.cache_called_for_disk = True def fake_get_info(instance): return {'state': power_state.RUNNING} conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) self.stubs.Set(conn, 'to_xml', fake_none) self.stubs.Set(imagebackend.Image, 'cache', fake_cache) self.stubs.Set(conn, '_create_domain_and_network', fake_none) self.stubs.Set(conn, 'get_info', fake_get_info) block_device_info = {'root_device_name': '/dev/vda', 'block_device_mapping': [ mocked_bdm(1, {'mount_device': 'vda', 'boot_index': 0}), ] } # Volume-backed instance created without image instance_ref = self.test_instance instance_ref['image_ref'] = '' instance_ref['root_device_name'] = '/dev/vda' instance_ref['uuid'] = uuidutils.generate_uuid() instance = db.instance_create(self.context, instance_ref) conn.spawn(self.context, instance, None, [], None, block_device_info=block_device_info) self.assertFalse(self.cache_called_for_disk) db.instance_destroy(self.context, instance['uuid']) # Booted from volume but with placeholder image instance_ref = self.test_instance instance_ref['image_ref'] = 'my_fake_image' instance_ref['root_device_name'] = '/dev/vda' instance_ref['uuid'] = uuidutils.generate_uuid() block_device_info['block_device_mapping'][0].id = 2 instance = db.instance_create(self.context, instance_ref) conn.spawn(self.context, instance, None, [], None, block_device_info=block_device_info) self.assertFalse(self.cache_called_for_disk) db.instance_destroy(self.context, instance['uuid']) # Booted from an image instance_ref['image_ref'] = 'my_fake_image' instance_ref['uuid'] = uuidutils.generate_uuid() instance = db.instance_create(self.context, instance_ref) conn.spawn(self.context, instance, None, [], None) self.assertTrue(self.cache_called_for_disk) db.instance_destroy(self.context, instance['uuid']) def test_spawn_with_pci_devices(self): def fake_none(*args, **kwargs): return None def fake_get_info(instance): return {'state': power_state.RUNNING} class FakeLibvirtPciDevice(): def dettach(self): return None def reset(self): return None def fake_node_device_lookup_by_name(address): pattern = ("pci_%(hex)s{4}_%(hex)s{2}_%(hex)s{2}_%(oct)s{1}" % dict(hex='[\da-f]', oct='[0-8]')) pattern = re.compile(pattern) if pattern.match(address) is None: raise libvirt.libvirtError() return FakeLibvirtPciDevice() conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) self.stubs.Set(conn, 'to_xml', fake_none) self.stubs.Set(conn, '_create_image', fake_none) self.stubs.Set(conn, '_create_domain_and_network', fake_none) self.stubs.Set(conn, 'get_info', fake_get_info) conn._conn.nodeDeviceLookupByName = \ fake_node_device_lookup_by_name instance_ref = self.test_instance instance_ref['image_ref'] = 'my_fake_image' instance = db.instance_create(self.context, instance_ref) instance = dict(instance.iteritems()) instance['pci_devices'] = [{'address': '0000:00:00.0'}] conn.spawn(self.context, instance, None, [], None) def test_chown_disk_config_for_instance(self): conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) instance = copy.deepcopy(self.test_instance) instance['name'] = 'test_name' self.mox.StubOutWithMock(fake_libvirt_utils, 'get_instance_path') self.mox.StubOutWithMock(os.path, 'exists') self.mox.StubOutWithMock(fake_libvirt_utils, 'chown') fake_libvirt_utils.get_instance_path(instance).AndReturn('/tmp/uuid') os.path.exists('/tmp/uuid/disk.config').AndReturn(True) fake_libvirt_utils.chown('/tmp/uuid/disk.config', os.getuid()) self.mox.ReplayAll() conn._chown_disk_config_for_instance(instance) def _test_create_image_plain(self, os_type='', filename='', mkfs=False): gotFiles = [] def fake_image(self, instance, name, image_type=''): class FakeImage(imagebackend.Image): def __init__(self, instance, name): self.path = os.path.join(instance['name'], name) def create_image(self, prepare_template, base, size, *args, **kwargs): pass def cache(self, fetch_func, filename, size=None, *args, **kwargs): gotFiles.append({'filename': filename, 'size': size}) def snapshot(self, name): pass return FakeImage(instance, name) def fake_none(*args, **kwargs): return def fake_get_info(instance): return {'state': power_state.RUNNING} # Stop 'libvirt_driver._create_image' touching filesystem self.stubs.Set(nova.virt.libvirt.imagebackend.Backend, "image", fake_image) instance_ref = self.test_instance instance_ref['image_ref'] = 1 instance = db.instance_create(self.context, instance_ref) instance['os_type'] = os_type conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) self.stubs.Set(conn, 'to_xml', fake_none) self.stubs.Set(conn, '_create_domain_and_network', fake_none) self.stubs.Set(conn, 'get_info', fake_get_info) if mkfs: self.stubs.Set(nova.virt.disk.api, '_MKFS_COMMAND', {os_type: 'mkfs.ext3 --label %(fs_label)s %(target)s'}) image_meta = {'id': instance['image_ref']} disk_info = blockinfo.get_disk_info(CONF.libvirt_type, instance, None, image_meta) conn._create_image(context, instance, disk_info['mapping']) xml = conn.to_xml(self.context, instance, None, disk_info, image_meta) wantFiles = [ {'filename': '356a192b7913b04c54574d18c28d46e6395428ab', 'size': 10 * 1024 * 1024 * 1024}, {'filename': filename, 'size': 20 * 1024 * 1024 * 1024}, ] self.assertEquals(gotFiles, wantFiles) def test_create_image_plain_os_type_blank(self): self._test_create_image_plain(os_type='', filename='ephemeral_20_default', mkfs=False) def test_create_image_plain_os_type_none(self): self._test_create_image_plain(os_type=None, filename='ephemeral_20_default', mkfs=False) def test_create_image_plain_os_type_set_no_fs(self): self._test_create_image_plain(os_type='test', filename='ephemeral_20_default', mkfs=False) def test_create_image_plain_os_type_set_with_fs(self): self._test_create_image_plain(os_type='test', filename='ephemeral_20_test', mkfs=True) def test_create_image_with_swap(self): gotFiles = [] def fake_image(self, instance, name, image_type=''): class FakeImage(imagebackend.Image): def __init__(self, instance, name): self.path = os.path.join(instance['name'], name) def create_image(self, prepare_template, base, size, *args, **kwargs): pass def cache(self, fetch_func, filename, size=None, *args, **kwargs): gotFiles.append({'filename': filename, 'size': size}) def snapshot(self, name): pass return FakeImage(instance, name) def fake_none(*args, **kwargs): return def fake_get_info(instance): return {'state': power_state.RUNNING} # Stop 'libvirt_driver._create_image' touching filesystem self.stubs.Set(nova.virt.libvirt.imagebackend.Backend, "image", fake_image) instance_ref = self.test_instance instance_ref['image_ref'] = 1 # Turn on some swap to exercise that codepath in _create_image instance_ref['system_metadata']['instance_type_swap'] = 500 instance = db.instance_create(self.context, instance_ref) conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) self.stubs.Set(conn, 'to_xml', fake_none) self.stubs.Set(conn, '_create_domain_and_network', fake_none) self.stubs.Set(conn, 'get_info', fake_get_info) image_meta = {'id': instance['image_ref']} disk_info = blockinfo.get_disk_info(CONF.libvirt_type, instance, None, image_meta) conn._create_image(context, instance, disk_info['mapping']) xml = conn.to_xml(self.context, instance, None, disk_info, image_meta) wantFiles = [ {'filename': '356a192b7913b04c54574d18c28d46e6395428ab', 'size': 10 * 1024 * 1024 * 1024}, {'filename': 'ephemeral_20_default', 'size': 20 * 1024 * 1024 * 1024}, {'filename': 'swap_500', 'size': 500 * 1024 * 1024}, ] self.assertEquals(gotFiles, wantFiles) def test_create_ephemeral_default(self): conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) self.mox.StubOutWithMock(utils, 'execute') utils.execute('mkfs.ext3', '-L', 'myVol', '-F', '/dev/something', run_as_root=True) self.mox.ReplayAll() conn._create_ephemeral('/dev/something', 20, 'myVol', 'linux', max_size=20) def test_create_swap_default(self): conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) self.mox.StubOutWithMock(utils, 'execute') utils.execute('mkswap', '/dev/something') self.mox.ReplayAll() conn._create_swap('/dev/something', 1, max_size=20) def test_get_console_output_file(self): fake_libvirt_utils.files['console.log'] = '01234567890' with utils.tempdir() as tmpdir: self.flags(instances_path=tmpdir) instance_ref = self.test_instance instance_ref['image_ref'] = 123456 instance = db.instance_create(self.context, instance_ref) console_dir = (os.path.join(tmpdir, instance['name'])) console_log = '%s/console.log' % (console_dir) fake_dom_xml = """ """ % console_log def fake_lookup(id): return FakeVirtDomain(fake_dom_xml) self.create_fake_libvirt_mock() libvirt_driver.LibvirtDriver._conn.lookupByName = fake_lookup conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) try: prev_max = libvirt_driver.MAX_CONSOLE_BYTES libvirt_driver.MAX_CONSOLE_BYTES = 5 output = conn.get_console_output(instance) finally: libvirt_driver.MAX_CONSOLE_BYTES = prev_max self.assertEquals('67890', output) def test_get_console_output_pty(self): fake_libvirt_utils.files['pty'] = '01234567890' with utils.tempdir() as tmpdir: self.flags(instances_path=tmpdir) instance_ref = self.test_instance instance_ref['image_ref'] = 123456 instance = db.instance_create(self.context, instance_ref) console_dir = (os.path.join(tmpdir, instance['name'])) pty_file = '%s/fake_pty' % (console_dir) fake_dom_xml = """ """ % pty_file def fake_lookup(id): return FakeVirtDomain(fake_dom_xml) def _fake_flush(self, fake_pty): return 'foo' def _fake_append_to_file(self, data, fpath): return 'pty' self.create_fake_libvirt_mock() libvirt_driver.LibvirtDriver._conn.lookupByName = fake_lookup libvirt_driver.LibvirtDriver._flush_libvirt_console = _fake_flush libvirt_driver.LibvirtDriver._append_to_file = _fake_append_to_file conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) try: prev_max = libvirt_driver.MAX_CONSOLE_BYTES libvirt_driver.MAX_CONSOLE_BYTES = 5 output = conn.get_console_output(instance) finally: libvirt_driver.MAX_CONSOLE_BYTES = prev_max self.assertEquals('67890', output) def test_get_host_ip_addr(self): conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) ip = conn.get_host_ip_addr() self.assertEquals(ip, CONF.my_ip) def test_broken_connection(self): for (error, domain) in ( (libvirt.VIR_ERR_SYSTEM_ERROR, libvirt.VIR_FROM_REMOTE), (libvirt.VIR_ERR_SYSTEM_ERROR, libvirt.VIR_FROM_RPC), (libvirt.VIR_ERR_INTERNAL_ERROR, libvirt.VIR_FROM_RPC)): conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) self.mox.StubOutWithMock(conn, "_wrapped_conn") self.mox.StubOutWithMock(conn._wrapped_conn, "getLibVersion") self.mox.StubOutWithMock(libvirt.libvirtError, "get_error_code") self.mox.StubOutWithMock(libvirt.libvirtError, "get_error_domain") conn._wrapped_conn.getLibVersion().AndRaise( libvirt.libvirtError("fake failure")) libvirt.libvirtError.get_error_code().AndReturn(error) libvirt.libvirtError.get_error_domain().AndReturn(domain) self.mox.ReplayAll() self.assertFalse(conn._test_connection(conn._wrapped_conn)) self.mox.UnsetStubs() def test_immediate_delete(self): def fake_lookup_by_name(instance_name): raise exception.InstanceNotFound(instance_id=instance_name) def fake_delete_instance_files(instance): pass conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) self.stubs.Set(conn, '_lookup_by_name', fake_lookup_by_name) self.stubs.Set(conn, '_delete_instance_files', fake_delete_instance_files) instance = db.instance_create(self.context, self.test_instance) conn.destroy(instance, {}) def _test_destroy_removes_disk(self, volume_fail=False): instance = {"name": "instancename", "id": "42", "uuid": "875a8070-d0b9-4949-8b31-104d125c9a64", "cleaned": 0, 'info_cache': None, 'security_groups': []} vol = {'block_device_mapping': [ {'connection_info': 'dummy', 'mount_device': '/dev/sdb'}]} self.mox.StubOutWithMock(libvirt_driver.LibvirtDriver, '_undefine_domain') libvirt_driver.LibvirtDriver._undefine_domain(instance) self.mox.StubOutWithMock(db, 'instance_get_by_uuid') db.instance_get_by_uuid(mox.IgnoreArg(), mox.IgnoreArg(), columns_to_join=['info_cache', 'security_groups'] ).AndReturn(instance) self.mox.StubOutWithMock(driver, "block_device_info_get_mapping") driver.block_device_info_get_mapping(vol ).AndReturn(vol['block_device_mapping']) self.mox.StubOutWithMock(libvirt_driver.LibvirtDriver, "volume_driver_method") if volume_fail: libvirt_driver.LibvirtDriver.volume_driver_method( mox.IgnoreArg(), mox.IgnoreArg(), mox.IgnoreArg()).\ AndRaise(exception.VolumeNotFound('vol')) else: libvirt_driver.LibvirtDriver.volume_driver_method( mox.IgnoreArg(), mox.IgnoreArg(), mox.IgnoreArg()) self.mox.StubOutWithMock(shutil, "rmtree") shutil.rmtree(os.path.join(CONF.instances_path, 'instance-%08x' % int(instance['id']))) self.mox.StubOutWithMock(libvirt_driver.LibvirtDriver, '_cleanup_lvm') libvirt_driver.LibvirtDriver._cleanup_lvm(instance) # Start test self.mox.ReplayAll() def fake_destroy(instance): pass def fake_os_path_exists(path): return True def fake_unplug_vifs(instance, network_info): pass def fake_unfilter_instance(instance, network_info): pass def fake_obj_load_attr(self, attrname): if not hasattr(self, attrname): self[attrname] = {} def fake_save(self, context): pass conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) self.stubs.Set(conn, '_destroy', fake_destroy) self.stubs.Set(conn, 'unplug_vifs', fake_unplug_vifs) self.stubs.Set(conn.firewall_driver, 'unfilter_instance', fake_unfilter_instance) self.stubs.Set(os.path, 'exists', fake_os_path_exists) self.stubs.Set(instance_obj.Instance, 'fields', {'id': int, 'uuid': str, 'cleaned': int}) self.stubs.Set(instance_obj.Instance, 'obj_load_attr', fake_obj_load_attr) self.stubs.Set(instance_obj.Instance, 'save', fake_save) conn.destroy(instance, [], vol) def test_destroy_removes_disk(self): self._test_destroy_removes_disk(volume_fail=False) def test_destroy_removes_disk_volume_fails(self): self._test_destroy_removes_disk(volume_fail=True) def test_destroy_not_removes_disk(self): instance = {"name": "instancename", "id": "instanceid", "uuid": "875a8070-d0b9-4949-8b31-104d125c9a64"} self.mox.StubOutWithMock(libvirt_driver.LibvirtDriver, '_undefine_domain') libvirt_driver.LibvirtDriver._undefine_domain(instance) # Start test self.mox.ReplayAll() def fake_destroy(instance): pass def fake_os_path_exists(path): return True def fake_unplug_vifs(instance, network_info): pass def fake_unfilter_instance(instance, network_info): pass conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) self.stubs.Set(conn, '_destroy', fake_destroy) self.stubs.Set(conn, 'unplug_vifs', fake_unplug_vifs) self.stubs.Set(conn.firewall_driver, 'unfilter_instance', fake_unfilter_instance) self.stubs.Set(os.path, 'exists', fake_os_path_exists) conn.destroy(instance, [], None, False) def test_delete_instance_files(self): instance = {"name": "instancename", "id": "42", "uuid": "875a8070-d0b9-4949-8b31-104d125c9a64", "cleaned": 0, 'info_cache': None, 'security_groups': []} self.mox.StubOutWithMock(db, 'instance_get_by_uuid') self.mox.StubOutWithMock(os.path, 'exists') self.mox.StubOutWithMock(shutil, "rmtree") db.instance_get_by_uuid(mox.IgnoreArg(), mox.IgnoreArg(), columns_to_join=['info_cache', 'security_groups'] ).AndReturn(instance) os.path.exists(mox.IgnoreArg()).AndReturn(False) os.path.exists(mox.IgnoreArg()).AndReturn(True) shutil.rmtree(os.path.join(CONF.instances_path, instance['uuid'])) os.path.exists(mox.IgnoreArg()).AndReturn(True) os.path.exists(mox.IgnoreArg()).AndReturn(False) os.path.exists(mox.IgnoreArg()).AndReturn(True) shutil.rmtree(os.path.join(CONF.instances_path, instance['uuid'])) os.path.exists(mox.IgnoreArg()).AndReturn(False) self.mox.ReplayAll() def fake_obj_load_attr(self, attrname): if not hasattr(self, attrname): self[attrname] = {} conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) self.stubs.Set(instance_obj.Instance, 'fields', {'id': int, 'uuid': str, 'cleaned': int}) self.stubs.Set(instance_obj.Instance, 'obj_load_attr', fake_obj_load_attr) inst_obj = instance_obj.Instance.get_by_uuid(None, instance['uuid']) self.assertFalse(conn.delete_instance_files(inst_obj)) self.assertTrue(conn.delete_instance_files(inst_obj)) def test_reboot_different_ids(self): class FakeLoopingCall: def start(self, *a, **k): return self def wait(self): return None self.flags(libvirt_wait_soft_reboot_seconds=1) info_tuple = ('fake', 'fake', 'fake', 'also_fake') self.reboot_create_called = False # Mock domain mock_domain = self.mox.CreateMock(libvirt.virDomain) mock_domain.info().AndReturn( (libvirt_driver.VIR_DOMAIN_RUNNING,) + info_tuple) mock_domain.ID().AndReturn('some_fake_id') mock_domain.shutdown() mock_domain.info().AndReturn( (libvirt_driver.VIR_DOMAIN_CRASHED,) + info_tuple) mock_domain.ID().AndReturn('some_other_fake_id') self.mox.ReplayAll() def fake_lookup_by_name(instance_name): return mock_domain def fake_create_domain(**kwargs): self.reboot_create_called = True conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) instance = {"name": "instancename", "id": "instanceid", "uuid": "875a8070-d0b9-4949-8b31-104d125c9a64", "pci_devices": []} self.stubs.Set(conn, '_lookup_by_name', fake_lookup_by_name) self.stubs.Set(conn, '_create_domain', fake_create_domain) self.stubs.Set(loopingcall, 'FixedIntervalLoopingCall', lambda *a, **k: FakeLoopingCall()) conn.reboot(None, instance, []) self.assertTrue(self.reboot_create_called) def test_reboot_same_ids(self): class FakeLoopingCall: def start(self, *a, **k): return self def wait(self): return None self.flags(libvirt_wait_soft_reboot_seconds=1) info_tuple = ('fake', 'fake', 'fake', 'also_fake') self.reboot_hard_reboot_called = False # Mock domain mock_domain = self.mox.CreateMock(libvirt.virDomain) mock_domain.info().AndReturn( (libvirt_driver.VIR_DOMAIN_RUNNING,) + info_tuple) mock_domain.ID().AndReturn('some_fake_id') mock_domain.shutdown() mock_domain.info().AndReturn( (libvirt_driver.VIR_DOMAIN_CRASHED,) + info_tuple) mock_domain.ID().AndReturn('some_fake_id') self.mox.ReplayAll() def fake_lookup_by_name(instance_name): return mock_domain def fake_hard_reboot(*args, **kwargs): self.reboot_hard_reboot_called = True def fake_sleep(interval): pass conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) instance = {"name": "instancename", "id": "instanceid", "uuid": "875a8070-d0b9-4949-8b31-104d125c9a64", "pci_devices": []} self.stubs.Set(conn, '_lookup_by_name', fake_lookup_by_name) self.stubs.Set(greenthread, 'sleep', fake_sleep) self.stubs.Set(conn, '_hard_reboot', fake_hard_reboot) self.stubs.Set(loopingcall, 'FixedIntervalLoopingCall', lambda *a, **k: FakeLoopingCall()) conn.reboot(None, instance, []) self.assertTrue(self.reboot_hard_reboot_called) def test_soft_reboot_libvirt_exception(self): # Tests that a hard reboot is performed when a soft reboot results # in raising a libvirtError. info_tuple = ('fake', 'fake', 'fake', 'also_fake') # setup mocks mock_domain = self.mox.CreateMock(libvirt.virDomain) mock_domain.info().AndReturn( (libvirt_driver.VIR_DOMAIN_RUNNING,) + info_tuple) mock_domain.ID().AndReturn('some_fake_id') mock_domain.shutdown().AndRaise(libvirt.libvirtError('Err')) conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) context = None instance = {"name": "instancename", "id": "instanceid", "uuid": "875a8070-d0b9-4949-8b31-104d125c9a64"} network_info = [] self.mox.StubOutWithMock(conn, '_lookup_by_name') conn._lookup_by_name(instance['name']).AndReturn(mock_domain) self.mox.StubOutWithMock(conn, '_hard_reboot') conn._hard_reboot(context, instance, network_info, None) self.mox.ReplayAll() conn.reboot(context, instance, network_info) def _test_resume_state_on_host_boot_with_state(self, state): called = {'count': 0} mock = self.mox.CreateMock(libvirt.virDomain) mock.info().AndReturn([state, None, None, None, None]) self.mox.ReplayAll() def fake_lookup_by_name(instance_name): return mock def fake_hard_reboot(*args): called['count'] += 1 conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) self.stubs.Set(conn, '_lookup_by_name', fake_lookup_by_name) self.stubs.Set(conn, '_hard_reboot', fake_hard_reboot) instance = {"name": "instancename", "id": "instanceid", "uuid": "875a8070-d0b9-4949-8b31-104d125c9a64"} network_info = _fake_network_info(self.stubs, 1) conn.resume_state_on_host_boot(self.context, instance, network_info, block_device_info=None) ignored_states = (power_state.RUNNING, power_state.SUSPENDED, power_state.NOSTATE, power_state.PAUSED) if state in ignored_states: self.assertEquals(called['count'], 0) else: self.assertEquals(called['count'], 1) def test_resume_state_on_host_boot_with_running_state(self): self._test_resume_state_on_host_boot_with_state(power_state.RUNNING) def test_resume_state_on_host_boot_with_suspended_state(self): self._test_resume_state_on_host_boot_with_state(power_state.SUSPENDED) def test_resume_state_on_host_boot_with_paused_state(self): self._test_resume_state_on_host_boot_with_state(power_state.PAUSED) def test_resume_state_on_host_boot_with_nostate(self): self._test_resume_state_on_host_boot_with_state(power_state.NOSTATE) def test_resume_state_on_host_boot_with_shutdown_state(self): self._test_resume_state_on_host_boot_with_state(power_state.RUNNING) def test_resume_state_on_host_boot_with_crashed_state(self): self._test_resume_state_on_host_boot_with_state(power_state.CRASHED) def test_resume_state_on_host_boot_with_instance_not_found_on_driver(self): called = {'count': 0} instance = {'name': 'test'} def fake_instance_exists(name): return False def fake_hard_reboot(*args): called['count'] += 1 conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) self.stubs.Set(conn, 'instance_exists', fake_instance_exists) self.stubs.Set(conn, '_hard_reboot', fake_hard_reboot) conn.resume_state_on_host_boot(self.context, instance, network_info=[], block_device_info=None) self.assertEquals(called['count'], 1) def test_hard_reboot(self): called = {'count': 0} instance = db.instance_create(self.context, self.test_instance) network_info = _fake_network_info(self.stubs, 1) block_device_info = None dummyxml = ("instance-0000000a" "" "" "" "" "" "" "" "") conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) self.mox.StubOutWithMock(conn, '_destroy') self.mox.StubOutWithMock(conn, 'get_instance_disk_info') self.mox.StubOutWithMock(conn, 'to_xml') self.mox.StubOutWithMock(conn, '_create_images_and_backing') self.mox.StubOutWithMock(conn, '_create_domain_and_network') def fake_get_info(instance_name): called['count'] += 1 if called['count'] == 1: state = power_state.SHUTDOWN else: state = power_state.RUNNING return dict(state=state) self.stubs.Set(conn, 'get_info', fake_get_info) conn._destroy(instance) disk_info = blockinfo.get_disk_info(CONF.libvirt_type, instance, block_device_info) conn.to_xml(self.context, instance, network_info, disk_info, block_device_info=block_device_info, write_to_disk=True).AndReturn(dummyxml) disk_info_json = '[{"virt_disk_size": 2}]' conn.get_instance_disk_info(instance["name"], dummyxml, block_device_info).AndReturn(disk_info_json) conn._create_images_and_backing(self.context, instance, libvirt_utils.get_instance_path(instance), disk_info_json) conn._create_domain_and_network(dummyxml, instance, network_info, block_device_info, context=self.context, reboot=True) self.mox.ReplayAll() conn._hard_reboot(self.context, instance, network_info, block_device_info) def test_resume(self): dummyxml = ("instance-0000000a" "" "" "" "" "" "" "" "") instance = db.instance_create(self.context, self.test_instance) network_info = _fake_network_info(self.stubs, 1) block_device_info = None conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) with contextlib.nested( mock.patch.object(conn, '_get_existing_domain_xml', return_value=dummyxml), mock.patch.object(conn, '_create_domain_and_network', return_value='fake_dom'), mock.patch.object(conn, '_attach_pci_devices'), mock.patch.object(pci_manager, 'get_instance_pci_devs', return_value='fake_pci_devs'), ) as (_get_existing_domain_xml, _create_domain_and_network, _attach_pci_devices, get_instance_pci_devs): conn.resume(self.context, instance, network_info, block_device_info) _get_existing_domain_xml.assert_has_calls([mock.call(instance, network_info, block_device_info)]) _create_domain_and_network.assert_has_calls([mock.call(dummyxml, instance, network_info, block_device_info=block_device_info, context=self.context)]) _attach_pci_devices.assert_has_calls([mock.call('fake_dom', 'fake_pci_devs')]) def test_destroy_undefines(self): mock = self.mox.CreateMock(libvirt.virDomain) mock.ID() mock.destroy() mock.undefineFlags(1).AndReturn(1) self.mox.ReplayAll() def fake_lookup_by_name(instance_name): return mock def fake_get_info(instance_name): return {'state': power_state.SHUTDOWN, 'id': -1} def fake_delete_instance_files(instance): return None conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) self.stubs.Set(conn, '_lookup_by_name', fake_lookup_by_name) self.stubs.Set(conn, 'get_info', fake_get_info) self.stubs.Set(conn, '_delete_instance_files', fake_delete_instance_files) instance = {"name": "instancename", "id": "instanceid", "uuid": "875a8070-d0b9-4949-8b31-104d125c9a64"} conn.destroy(instance, []) def test_cleanup_rbd(self): mock = self.mox.CreateMock(libvirt.virDomain) def fake_lookup_by_name(instance_name): return mock def fake_get_info(instance_name): return {'state': power_state.SHUTDOWN, 'id': -1} fake_volumes = ['fakeinstancename.local', 'fakeinstancename.swap', 'fakeinstancename', 'wronginstancename'] fake_pool = 'fake_pool' fake_instance = {'name': 'fakeinstancename', 'id': 'instanceid', 'uuid': '875a8070-d0b9-4949-8b31-104d125c9a64'} conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) self.stubs.Set(conn, '_lookup_by_name', fake_lookup_by_name) self.stubs.Set(conn, 'get_info', fake_get_info) self.flags(libvirt_images_rbd_pool=fake_pool) self.mox.StubOutWithMock(libvirt_driver.libvirt_utils, 'remove_rbd_volumes') libvirt_driver.libvirt_utils.remove_rbd_volumes(fake_pool, *fake_volumes[:3]) self.mox.ReplayAll() conn._cleanup_rbd(fake_instance) self.mox.VerifyAll() def test_destroy_undefines_no_undefine_flags(self): mock = self.mox.CreateMock(libvirt.virDomain) mock.ID() mock.destroy() mock.undefineFlags(1).AndRaise(libvirt.libvirtError('Err')) mock.undefine() self.mox.ReplayAll() def fake_lookup_by_name(instance_name): return mock def fake_get_info(instance_name): return {'state': power_state.SHUTDOWN, 'id': -1} def fake_delete_instance_files(instance): return None conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) self.stubs.Set(conn, '_lookup_by_name', fake_lookup_by_name) self.stubs.Set(conn, 'get_info', fake_get_info) self.stubs.Set(conn, '_delete_instance_files', fake_delete_instance_files) instance = {"name": "instancename", "id": "instanceid", "uuid": "875a8070-d0b9-4949-8b31-104d125c9a64"} conn.destroy(instance, []) def test_destroy_undefines_no_attribute_with_managed_save(self): mock = self.mox.CreateMock(libvirt.virDomain) mock.ID() mock.destroy() mock.undefineFlags(1).AndRaise(AttributeError()) mock.hasManagedSaveImage(0).AndReturn(True) mock.managedSaveRemove(0) mock.undefine() self.mox.ReplayAll() def fake_lookup_by_name(instance_name): return mock def fake_get_info(instance_name): return {'state': power_state.SHUTDOWN, 'id': -1} def fake_delete_instance_files(instance): return None conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) self.stubs.Set(conn, '_lookup_by_name', fake_lookup_by_name) self.stubs.Set(conn, 'get_info', fake_get_info) self.stubs.Set(conn, '_delete_instance_files', fake_delete_instance_files) instance = {"name": "instancename", "id": "instanceid", "uuid": "875a8070-d0b9-4949-8b31-104d125c9a64"} conn.destroy(instance, []) def test_destroy_undefines_no_attribute_no_managed_save(self): mock = self.mox.CreateMock(libvirt.virDomain) mock.ID() mock.destroy() mock.undefineFlags(1).AndRaise(AttributeError()) mock.hasManagedSaveImage(0).AndRaise(AttributeError()) mock.undefine() self.mox.ReplayAll() def fake_lookup_by_name(instance_name): return mock def fake_get_info(instance_name): return {'state': power_state.SHUTDOWN, 'id': -1} def fake_delete_instance_files(instance): return None conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) self.stubs.Set(conn, '_lookup_by_name', fake_lookup_by_name) self.stubs.Set(conn, 'get_info', fake_get_info) self.stubs.Set(conn, '_delete_instance_files', fake_delete_instance_files) instance = {"name": "instancename", "id": "instanceid", "uuid": "875a8070-d0b9-4949-8b31-104d125c9a64"} conn.destroy(instance, []) def test_destroy_timed_out(self): mock = self.mox.CreateMock(libvirt.virDomain) mock.ID() mock.destroy().AndRaise(libvirt.libvirtError("timed out")) self.mox.ReplayAll() def fake_lookup_by_name(instance_name): return mock def fake_get_error_code(self): return libvirt.VIR_ERR_OPERATION_TIMEOUT conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) self.stubs.Set(conn, '_lookup_by_name', fake_lookup_by_name) self.stubs.Set(libvirt.libvirtError, 'get_error_code', fake_get_error_code) instance = {"name": "instancename", "id": "instanceid", "uuid": "875a8070-d0b9-4949-8b31-104d125c9a64"} self.assertRaises(exception.InstancePowerOffFailure, conn.destroy, instance, []) def test_private_destroy_not_found(self): mock = self.mox.CreateMock(libvirt.virDomain) mock.ID() mock.destroy() self.mox.ReplayAll() def fake_lookup_by_name(instance_name): return mock def fake_get_info(instance_name): raise exception.InstanceNotFound(instance_id=instance_name) conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) self.stubs.Set(conn, '_lookup_by_name', fake_lookup_by_name) self.stubs.Set(conn, 'get_info', fake_get_info) instance = {"name": "instancename", "id": "instanceid", "uuid": "875a8070-d0b9-4949-8b31-104d125c9a64"} # NOTE(vish): verifies destroy doesn't raise if the instance disappears conn._destroy(instance) def test_undefine_domain_with_not_found_instance(self): def fake_lookup(instance_name): raise libvirt.libvirtError("not found") self.mox.StubOutWithMock(libvirt_driver.LibvirtDriver, '_conn') libvirt_driver.LibvirtDriver._conn.lookupByName = fake_lookup self.mox.StubOutWithMock(libvirt.libvirtError, "get_error_code") libvirt.libvirtError.get_error_code().AndReturn( libvirt.VIR_ERR_NO_DOMAIN) self.mox.ReplayAll() conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) instance = {'name': 'test'} # NOTE(wenjianhn): verifies undefine doesn't raise if the # instance disappears conn._undefine_domain(instance) def test_disk_over_committed_size_total(self): # Ensure destroy calls managedSaveRemove for saved instance. conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) def list_instances(): return ['fake1', 'fake2'] self.stubs.Set(conn, 'list_instances', list_instances) fake_disks = {'fake1': [{'type': 'qcow2', 'path': '/somepath/disk1', 'virt_disk_size': '10737418240', 'backing_file': '/somepath/disk1', 'disk_size': '83886080', 'over_committed_disk_size': '10653532160'}], 'fake2': [{'type': 'raw', 'path': '/somepath/disk2', 'virt_disk_size': '0', 'backing_file': '/somepath/disk2', 'disk_size': '10737418240', 'over_committed_disk_size': '0'}]} def get_info(instance_name): return jsonutils.dumps(fake_disks.get(instance_name)) self.stubs.Set(conn, 'get_instance_disk_info', get_info) result = conn.get_disk_over_committed_size_total() self.assertEqual(result, 10653532160) def test_cpu_info(self): conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), True) def get_host_capabilities_stub(self): cpu = vconfig.LibvirtConfigCPU() cpu.model = "Opteron_G4" cpu.vendor = "AMD" cpu.arch = "x86_64" cpu.cores = 2 cpu.threads = 1 cpu.sockets = 4 cpu.add_feature(vconfig.LibvirtConfigCPUFeature("extapic")) cpu.add_feature(vconfig.LibvirtConfigCPUFeature("3dnow")) caps = vconfig.LibvirtConfigCaps() caps.host = vconfig.LibvirtConfigCapsHost() caps.host.cpu = cpu guest = vconfig.LibvirtConfigGuest() guest.ostype = vm_mode.HVM guest.arch = "x86_64" guest.domtype = ["kvm"] caps.guests.append(guest) guest = vconfig.LibvirtConfigGuest() guest.ostype = vm_mode.HVM guest.arch = "i686" guest.domtype = ["kvm"] caps.guests.append(guest) return caps self.stubs.Set(libvirt_driver.LibvirtDriver, 'get_host_capabilities', get_host_capabilities_stub) want = {"vendor": "AMD", "features": ["extapic", "3dnow"], "model": "Opteron_G4", "arch": "x86_64", "topology": {"cores": 2, "threads": 1, "sockets": 4}} got = jsonutils.loads(conn.get_cpu_info()) self.assertEqual(want, got) def test_get_pcidev_info(self): def fake_nodeDeviceLookupByName(name): return FakeNodeDevice(_fake_NodeDevXml[name]) self.mox.StubOutWithMock(libvirt_driver.LibvirtDriver, '_conn') libvirt_driver.LibvirtDriver._conn.nodeDeviceLookupByName =\ fake_nodeDeviceLookupByName conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) actualvf = conn._get_pcidev_info("pci_0000_04_00_3") expect_vf = { "dev_id": "pci_0000_04_00_3", "address": "0000:04:00.3", "product_id": '1521', "vendor_id": '8086', "label": 'label_8086_1521', "dev_type": 'type-PF', } self.assertEqual(actualvf, expect_vf) actualvf = conn._get_pcidev_info("pci_0000_04_10_7") expect_vf = { "dev_id": "pci_0000_04_10_7", "address": "0000:04:10.7", "product_id": '1520', "vendor_id": '8086', "label": 'label_8086_1520', "dev_type": 'type-VF', "phys_function": [('0x0000', '0x04', '0x00', '0x3')], } self.assertEqual(actualvf, expect_vf) def test_pci_device_assignbale(self): conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) self.stubs.Set(conn.dev_filter, 'device_assignable', lambda x: True) fake_dev = {'dev_type': 'type-PF'} self.assertFalse(conn._pci_device_assignbale(fake_dev)) fake_dev = {'dev_type': 'type-VF'} self.assertTrue(conn._pci_device_assignbale(fake_dev)) fake_dev = {'dev_type': 'type-PCI'} self.assertTrue(conn._pci_device_assignbale(fake_dev)) def test_get_pci_passthrough_devices(self): def fakelistDevices(caps, fakeargs=0): return ['pci_0000_04_00_3', 'pci_0000_04_10_7'] self.mox.StubOutWithMock(libvirt_driver.LibvirtDriver, '_conn') libvirt_driver.LibvirtDriver._conn.listDevices = fakelistDevices def fake_nodeDeviceLookupByName(name): return FakeNodeDevice(_fake_NodeDevXml[name]) libvirt_driver.LibvirtDriver._conn.nodeDeviceLookupByName =\ fake_nodeDeviceLookupByName conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) self.stubs.Set(conn.dev_filter, 'device_assignable', lambda x: x) actjson = conn.get_pci_passthrough_devices() expectvfs = [ { "dev_id": "pci_0000_04_00_3", "address": "0000:04:10.3", "product_id": '1521', "vendor_id": '8086', "dev_type": 'type-PF', "phys_function": None}, { "dev_id": "pci_0000_04_10_7", "domain": 0, "address": "0000:04:10.7", "product_id": '1520', "vendor_id": '8086', "dev_type": 'type-VF', "phys_function": [('0x0000', '0x04', '0x00', '0x3')], } ] actctualvfs = jsonutils.loads(actjson) for key in actctualvfs[0].keys(): if key not in ['phys_function', 'virt_functions', 'label']: self.assertEqual(actctualvfs[0][key], expectvfs[1][key]) def test_diagnostic_vcpus_exception(self): xml = """ """ class DiagFakeDomain(FakeVirtDomain): def __init__(self): super(DiagFakeDomain, self).__init__(fake_xml=xml) def vcpus(self): raise libvirt.libvirtError('vcpus missing') def blockStats(self, path): return (169L, 688640L, 0L, 0L, -1L) def interfaceStats(self, path): return (4408L, 82L, 0L, 0L, 0L, 0L, 0L, 0L) def memoryStats(self): return {'actual': 220160L, 'rss': 200164L} def maxMemory(self): return 280160L def fake_lookup_name(name): return DiagFakeDomain() self.mox.StubOutWithMock(libvirt_driver.LibvirtDriver, '_conn') libvirt_driver.LibvirtDriver._conn.lookupByName = fake_lookup_name conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) actual = conn.get_diagnostics({"name": "testvirt"}) expect = {'vda_read': 688640L, 'vda_read_req': 169L, 'vda_write': 0L, 'vda_write_req': 0L, 'vda_errors': -1L, 'vdb_read': 688640L, 'vdb_read_req': 169L, 'vdb_write': 0L, 'vdb_write_req': 0L, 'vdb_errors': -1L, 'memory': 280160L, 'memory-actual': 220160L, 'memory-rss': 200164L, 'vnet0_rx': 4408L, 'vnet0_rx_drop': 0L, 'vnet0_rx_errors': 0L, 'vnet0_rx_packets': 82L, 'vnet0_tx': 0L, 'vnet0_tx_drop': 0L, 'vnet0_tx_errors': 0L, 'vnet0_tx_packets': 0L, } self.assertEqual(actual, expect) def test_diagnostic_blockstats_exception(self): xml = """ """ class DiagFakeDomain(FakeVirtDomain): def __init__(self): super(DiagFakeDomain, self).__init__(fake_xml=xml) def vcpus(self): return ([(0, 1, 15340000000L, 0), (1, 1, 1640000000L, 0), (2, 1, 3040000000L, 0), (3, 1, 1420000000L, 0)], [(True, False), (True, False), (True, False), (True, False)]) def blockStats(self, path): raise libvirt.libvirtError('blockStats missing') def interfaceStats(self, path): return (4408L, 82L, 0L, 0L, 0L, 0L, 0L, 0L) def memoryStats(self): return {'actual': 220160L, 'rss': 200164L} def maxMemory(self): return 280160L def fake_lookup_name(name): return DiagFakeDomain() self.mox.StubOutWithMock(libvirt_driver.LibvirtDriver, '_conn') libvirt_driver.LibvirtDriver._conn.lookupByName = fake_lookup_name conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) actual = conn.get_diagnostics({"name": "testvirt"}) expect = {'cpu0_time': 15340000000L, 'cpu1_time': 1640000000L, 'cpu2_time': 3040000000L, 'cpu3_time': 1420000000L, 'memory': 280160L, 'memory-actual': 220160L, 'memory-rss': 200164L, 'vnet0_rx': 4408L, 'vnet0_rx_drop': 0L, 'vnet0_rx_errors': 0L, 'vnet0_rx_packets': 82L, 'vnet0_tx': 0L, 'vnet0_tx_drop': 0L, 'vnet0_tx_errors': 0L, 'vnet0_tx_packets': 0L, } self.assertEqual(actual, expect) def test_diagnostic_interfacestats_exception(self): xml = """ """ class DiagFakeDomain(FakeVirtDomain): def __init__(self): super(DiagFakeDomain, self).__init__(fake_xml=xml) def vcpus(self): return ([(0, 1, 15340000000L, 0), (1, 1, 1640000000L, 0), (2, 1, 3040000000L, 0), (3, 1, 1420000000L, 0)], [(True, False), (True, False), (True, False), (True, False)]) def blockStats(self, path): return (169L, 688640L, 0L, 0L, -1L) def interfaceStats(self, path): raise libvirt.libvirtError('interfaceStat missing') def memoryStats(self): return {'actual': 220160L, 'rss': 200164L} def maxMemory(self): return 280160L def fake_lookup_name(name): return DiagFakeDomain() self.mox.StubOutWithMock(libvirt_driver.LibvirtDriver, '_conn') libvirt_driver.LibvirtDriver._conn.lookupByName = fake_lookup_name conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) actual = conn.get_diagnostics({"name": "testvirt"}) expect = {'cpu0_time': 15340000000L, 'cpu1_time': 1640000000L, 'cpu2_time': 3040000000L, 'cpu3_time': 1420000000L, 'vda_read': 688640L, 'vda_read_req': 169L, 'vda_write': 0L, 'vda_write_req': 0L, 'vda_errors': -1L, 'vdb_read': 688640L, 'vdb_read_req': 169L, 'vdb_write': 0L, 'vdb_write_req': 0L, 'vdb_errors': -1L, 'memory': 280160L, 'memory-actual': 220160L, 'memory-rss': 200164L, } self.assertEqual(actual, expect) def test_diagnostic_memorystats_exception(self): xml = """ """ class DiagFakeDomain(FakeVirtDomain): def __init__(self): super(DiagFakeDomain, self).__init__(fake_xml=xml) def vcpus(self): return ([(0, 1, 15340000000L, 0), (1, 1, 1640000000L, 0), (2, 1, 3040000000L, 0), (3, 1, 1420000000L, 0)], [(True, False), (True, False), (True, False), (True, False)]) def blockStats(self, path): return (169L, 688640L, 0L, 0L, -1L) def interfaceStats(self, path): return (4408L, 82L, 0L, 0L, 0L, 0L, 0L, 0L) def memoryStats(self): raise libvirt.libvirtError('memoryStats missing') def maxMemory(self): return 280160L def fake_lookup_name(name): return DiagFakeDomain() self.mox.StubOutWithMock(libvirt_driver.LibvirtDriver, '_conn') libvirt_driver.LibvirtDriver._conn.lookupByName = fake_lookup_name conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) actual = conn.get_diagnostics({"name": "testvirt"}) expect = {'cpu0_time': 15340000000L, 'cpu1_time': 1640000000L, 'cpu2_time': 3040000000L, 'cpu3_time': 1420000000L, 'vda_read': 688640L, 'vda_read_req': 169L, 'vda_write': 0L, 'vda_write_req': 0L, 'vda_errors': -1L, 'vdb_read': 688640L, 'vdb_read_req': 169L, 'vdb_write': 0L, 'vdb_write_req': 0L, 'vdb_errors': -1L, 'memory': 280160L, 'vnet0_rx': 4408L, 'vnet0_rx_drop': 0L, 'vnet0_rx_errors': 0L, 'vnet0_rx_packets': 82L, 'vnet0_tx': 0L, 'vnet0_tx_drop': 0L, 'vnet0_tx_errors': 0L, 'vnet0_tx_packets': 0L, } self.assertEqual(actual, expect) def test_diagnostic_full(self): xml = """ """ class DiagFakeDomain(FakeVirtDomain): def __init__(self): super(DiagFakeDomain, self).__init__(fake_xml=xml) def vcpus(self): return ([(0, 1, 15340000000L, 0), (1, 1, 1640000000L, 0), (2, 1, 3040000000L, 0), (3, 1, 1420000000L, 0)], [(True, False), (True, False), (True, False), (True, False)]) def blockStats(self, path): return (169L, 688640L, 0L, 0L, -1L) def interfaceStats(self, path): return (4408L, 82L, 0L, 0L, 0L, 0L, 0L, 0L) def memoryStats(self): return {'actual': 220160L, 'rss': 200164L} def maxMemory(self): return 280160L def fake_lookup_name(name): return DiagFakeDomain() self.mox.StubOutWithMock(libvirt_driver.LibvirtDriver, '_conn') libvirt_driver.LibvirtDriver._conn.lookupByName = fake_lookup_name conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) actual = conn.get_diagnostics({"name": "testvirt"}) expect = {'cpu0_time': 15340000000L, 'cpu1_time': 1640000000L, 'cpu2_time': 3040000000L, 'cpu3_time': 1420000000L, 'vda_read': 688640L, 'vda_read_req': 169L, 'vda_write': 0L, 'vda_write_req': 0L, 'vda_errors': -1L, 'vdb_read': 688640L, 'vdb_read_req': 169L, 'vdb_write': 0L, 'vdb_write_req': 0L, 'vdb_errors': -1L, 'memory': 280160L, 'memory-actual': 220160L, 'memory-rss': 200164L, 'vnet0_rx': 4408L, 'vnet0_rx_drop': 0L, 'vnet0_rx_errors': 0L, 'vnet0_rx_packets': 82L, 'vnet0_tx': 0L, 'vnet0_tx_drop': 0L, 'vnet0_tx_errors': 0L, 'vnet0_tx_packets': 0L, } self.assertEqual(actual, expect) def test_failing_vcpu_count(self): """Domain can fail to return the vcpu description in case it's just starting up or shutting down. Make sure None is handled gracefully. """ class DiagFakeDomain(object): def __init__(self, vcpus): self._vcpus = vcpus def vcpus(self): if self._vcpus is None: raise libvirt.libvirtError("fake-error") else: return ([1] * self._vcpus, [True] * self._vcpus) driver = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), True) conn = driver._conn self.mox.StubOutWithMock(driver, 'list_instance_ids') conn.lookupByID = self.mox.CreateMockAnything() driver.list_instance_ids().AndReturn([1, 2]) conn.lookupByID(1).AndReturn(DiagFakeDomain(None)) conn.lookupByID(2).AndReturn(DiagFakeDomain(5)) self.mox.ReplayAll() self.assertEqual(5, driver.get_vcpu_used()) def test_get_instance_capabilities(self): conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), True) def get_host_capabilities_stub(self): caps = vconfig.LibvirtConfigCaps() guest = vconfig.LibvirtConfigGuest() guest.ostype = 'hvm' guest.arch = 'x86_64' guest.domtype = ['kvm', 'qemu'] caps.guests.append(guest) guest = vconfig.LibvirtConfigGuest() guest.ostype = 'hvm' guest.arch = 'i686' guest.domtype = ['kvm'] caps.guests.append(guest) return caps self.stubs.Set(libvirt_driver.LibvirtDriver, 'get_host_capabilities', get_host_capabilities_stub) want = [('x86_64', 'kvm', 'hvm'), ('x86_64', 'qemu', 'hvm'), ('i686', 'kvm', 'hvm')] got = conn.get_instance_capabilities() self.assertEqual(want, got) def test_event_dispatch(self): # Validate that the libvirt self-pipe for forwarding # events between threads is working sanely conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) got_events = [] def handler(event): got_events.append(event) conn.register_event_listener(handler) conn._init_events_pipe() event1 = virtevent.LifecycleEvent( "cef19ce0-0ca2-11df-855d-b19fbce37686", virtevent.EVENT_LIFECYCLE_STARTED) event2 = virtevent.LifecycleEvent( "cef19ce0-0ca2-11df-855d-b19fbce37686", virtevent.EVENT_LIFECYCLE_PAUSED) conn._queue_event(event1) conn._queue_event(event2) conn._dispatch_events() want_events = [event1, event2] self.assertEqual(want_events, got_events) event3 = virtevent.LifecycleEvent( "cef19ce0-0ca2-11df-855d-b19fbce37686", virtevent.EVENT_LIFECYCLE_RESUMED) event4 = virtevent.LifecycleEvent( "cef19ce0-0ca2-11df-855d-b19fbce37686", virtevent.EVENT_LIFECYCLE_STOPPED) conn._queue_event(event3) conn._queue_event(event4) conn._dispatch_events() want_events = [event1, event2, event3, event4] self.assertEqual(want_events, got_events) def test_event_lifecycle(self): # Validate that libvirt events are correctly translated # to Nova events conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) got_events = [] def handler(event): got_events.append(event) conn.register_event_listener(handler) conn._init_events_pipe() fake_dom_xml = """ cef19ce0-0ca2-11df-855d-b19fbce37686 """ dom = FakeVirtDomain(fake_dom_xml, "cef19ce0-0ca2-11df-855d-b19fbce37686") conn._event_lifecycle_callback(conn._conn, dom, libvirt.VIR_DOMAIN_EVENT_STOPPED, 0, conn) conn._dispatch_events() self.assertEqual(len(got_events), 1) self.assertEqual(type(got_events[0]), virtevent.LifecycleEvent) self.assertEqual(got_events[0].uuid, "cef19ce0-0ca2-11df-855d-b19fbce37686") self.assertEqual(got_events[0].transition, virtevent.EVENT_LIFECYCLE_STOPPED) def test_set_cache_mode(self): self.flags(disk_cachemodes=['file=directsync']) conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), True) fake_conf = FakeConfigGuestDisk() fake_conf.source_type = 'file' conn.set_cache_mode(fake_conf) self.assertEqual(fake_conf.driver_cache, 'directsync') def test_set_cache_mode_invalid_mode(self): self.flags(disk_cachemodes=['file=FAKE']) conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), True) fake_conf = FakeConfigGuestDisk() fake_conf.source_type = 'file' conn.set_cache_mode(fake_conf) self.assertEqual(fake_conf.driver_cache, None) def test_set_cache_mode_invalid_object(self): self.flags(disk_cachemodes=['file=directsync']) conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), True) fake_conf = FakeConfigGuest() fake_conf.driver_cache = 'fake' conn.set_cache_mode(fake_conf) self.assertEqual(fake_conf.driver_cache, 'fake') def _test_shared_storage_detection(self, is_same): conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), True) self.mox.StubOutWithMock(conn, 'get_host_ip_addr') self.mox.StubOutWithMock(utils, 'execute') self.mox.StubOutWithMock(os.path, 'exists') self.mox.StubOutWithMock(os, 'unlink') conn.get_host_ip_addr().AndReturn('bar') utils.execute('ssh', 'foo', 'touch', mox.IgnoreArg()) os.path.exists(mox.IgnoreArg()).AndReturn(is_same) if is_same: os.unlink(mox.IgnoreArg()) else: utils.execute('ssh', 'foo', 'rm', mox.IgnoreArg()) self.mox.ReplayAll() return conn._is_storage_shared_with('foo', '/path') def test_shared_storage_detection_same_host(self): self.assertTrue(self._test_shared_storage_detection(True)) def test_shared_storage_detection_different_host(self): self.assertFalse(self._test_shared_storage_detection(False)) def test_shared_storage_detection_easy(self): conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), True) self.mox.StubOutWithMock(conn, 'get_host_ip_addr') self.mox.StubOutWithMock(utils, 'execute') self.mox.StubOutWithMock(os.path, 'exists') self.mox.StubOutWithMock(os, 'unlink') conn.get_host_ip_addr().AndReturn('foo') self.mox.ReplayAll() self.assertTrue(conn._is_storage_shared_with('foo', '/path')) def test_create_domain_define_xml_fails(self): """ Tests that the xml is logged when defining the domain fails. """ fake_xml = "this is a test" def fake_defineXML(xml): self.assertEquals(fake_xml, xml) raise libvirt.libvirtError('virDomainDefineXML() failed') self.log_error_called = False def fake_error(msg): self.log_error_called = True self.assertTrue(fake_xml in msg) self.stubs.Set(nova.virt.libvirt.driver.LOG, 'error', fake_error) self.create_fake_libvirt_mock(defineXML=fake_defineXML) self.mox.ReplayAll() conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), True) self.assertRaises(libvirt.libvirtError, conn._create_domain, fake_xml) self.assertTrue(self.log_error_called) def test_create_domain_with_flags_fails(self): """ Tests that the xml is logged when creating the domain with flags fails. """ fake_xml = "this is a test" fake_domain = FakeVirtDomain(fake_xml) def fake_createWithFlags(launch_flags): raise libvirt.libvirtError('virDomainCreateWithFlags() failed') self.log_error_called = False def fake_error(msg): self.log_error_called = True self.assertTrue(fake_xml in msg) self.stubs.Set(fake_domain, 'createWithFlags', fake_createWithFlags) self.stubs.Set(nova.virt.libvirt.driver.LOG, 'error', fake_error) self.create_fake_libvirt_mock() self.mox.ReplayAll() conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), True) self.assertRaises(libvirt.libvirtError, conn._create_domain, domain=fake_domain) self.assertTrue(self.log_error_called) def test_create_domain_enable_hairpin_fails(self): """ Tests that the xml is logged when enabling hairpin mode for the domain fails. """ fake_xml = "this is a test" fake_domain = FakeVirtDomain(fake_xml) def fake_enable_hairpin(launch_flags): raise processutils.ProcessExecutionError('error') self.log_error_called = False def fake_error(msg): self.log_error_called = True self.assertTrue(fake_xml in msg) self.stubs.Set(nova.virt.libvirt.driver.LOG, 'error', fake_error) self.create_fake_libvirt_mock() self.mox.ReplayAll() conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), True) self.stubs.Set(conn, '_enable_hairpin', fake_enable_hairpin) self.assertRaises(processutils.ProcessExecutionError, conn._create_domain, domain=fake_domain, power_on=False) self.assertTrue(self.log_error_called) def test_get_vnc_console(self): instance_ref = db.instance_create(self.context, self.test_instance) dummyxml = ("instance-0000000a" "" "" "") vdmock = self.mox.CreateMock(libvirt.virDomain) self.mox.StubOutWithMock(vdmock, "XMLDesc") vdmock.XMLDesc(0).AndReturn(dummyxml) def fake_lookup(instance_name): if instance_name == instance_ref['name']: return vdmock self.create_fake_libvirt_mock(lookupByName=fake_lookup) self.mox.ReplayAll() conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) vnc_dict = conn.get_vnc_console(instance_ref) self.assertEquals(vnc_dict['port'], '5900') def test_get_vnc_console_unavailable(self): instance_ref = db.instance_create(self.context, self.test_instance) dummyxml = ("instance-0000000a" "") vdmock = self.mox.CreateMock(libvirt.virDomain) self.mox.StubOutWithMock(vdmock, "XMLDesc") vdmock.XMLDesc(0).AndReturn(dummyxml) def fake_lookup(instance_name): if instance_name == instance_ref['name']: return vdmock self.create_fake_libvirt_mock(lookupByName=fake_lookup) self.mox.ReplayAll() conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) self.assertRaises(exception.ConsoleTypeUnavailable, conn.get_vnc_console, instance_ref) def test_get_spice_console(self): instance_ref = db.instance_create(self.context, self.test_instance) dummyxml = ("instance-0000000a" "" "" "") vdmock = self.mox.CreateMock(libvirt.virDomain) self.mox.StubOutWithMock(vdmock, "XMLDesc") vdmock.XMLDesc(0).AndReturn(dummyxml) def fake_lookup(instance_name): if instance_name == instance_ref['name']: return vdmock self.create_fake_libvirt_mock(lookupByName=fake_lookup) self.mox.ReplayAll() conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) spice_dict = conn.get_spice_console(instance_ref) self.assertEquals(spice_dict['port'], '5950') def test_get_spice_console_unavailable(self): instance_ref = db.instance_create(self.context, self.test_instance) dummyxml = ("instance-0000000a" "") vdmock = self.mox.CreateMock(libvirt.virDomain) self.mox.StubOutWithMock(vdmock, "XMLDesc") vdmock.XMLDesc(0).AndReturn(dummyxml) def fake_lookup(instance_name): if instance_name == instance_ref['name']: return vdmock self.create_fake_libvirt_mock(lookupByName=fake_lookup) self.mox.ReplayAll() conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) self.assertRaises(exception.ConsoleTypeUnavailable, conn.get_spice_console, instance_ref) def _test_attach_detach_interface_get_config(self, method_name): """ Tests that the get_config() method is properly called in attach_interface() and detach_interface(). method_name: either \"attach_interface\" or \"detach_interface\" depending on the method to test. """ self.mox.StubOutWithMock(libvirt_driver.LibvirtDriver, '_conn') libvirt_driver.LibvirtDriver._conn.lookupByName = self.fake_lookup test_instance = copy.deepcopy(self.test_instance) test_instance['name'] = "test" network_info = _fake_network_info(self.stubs, 1) conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), True) if method_name == "attach_interface": fake_image_meta = {'id': test_instance['image_ref']} elif method_name == "detach_interface": fake_image_meta = None else: raise ValueError("Unhandled method %" % method_name) virtapi = fake.FakeVirtAPI() fake_inst_type_id = test_instance['instance_type_id'] fake_inst_type = virtapi.instance_type_get(self.context, fake_inst_type_id) expected = conn.vif_driver.get_config(test_instance, network_info[0], fake_image_meta, fake_inst_type) self.mox.StubOutWithMock(conn.vif_driver, 'get_config') conn.vif_driver.get_config(test_instance, network_info[0], fake_image_meta, fake_inst_type).\ AndReturn(expected) self.mox.ReplayAll() if method_name == "attach_interface": conn.attach_interface(test_instance, fake_image_meta, network_info[0]) elif method_name == "detach_interface": conn.detach_interface(test_instance, network_info[0]) else: raise ValueError("Unhandled method %" % method_name) def test_attach_interface_get_config(self): """ Tests that the get_config() method is properly called in attach_interface(). """ self._test_attach_detach_interface_get_config("attach_interface") def test_detach_interface_get_config(self): """ Tests that the get_config() method is properly called in detach_interface(). """ self._test_attach_detach_interface_get_config("detach_interface") def test_default_root_device_name(self): instance = {'uuid': 'fake_instance'} image_meta = {'id': 'fake'} root_bdm = {'source_type': 'image', 'detination_type': 'volume', 'image_id': 'fake_id'} self.flags(libvirt_type='fake_libvirt_type') self.mox.StubOutWithMock(blockinfo, 'get_disk_bus_for_device_type') self.mox.StubOutWithMock(blockinfo, 'get_root_info') blockinfo.get_disk_bus_for_device_type('fake_libvirt_type', image_meta, 'disk').InAnyOrder().\ AndReturn('virtio') blockinfo.get_disk_bus_for_device_type('fake_libvirt_type', image_meta, 'cdrom').InAnyOrder().\ AndReturn('ide') blockinfo.get_root_info('fake_libvirt_type', image_meta, root_bdm, 'virtio', 'ide').AndReturn({'dev': 'vda'}) self.mox.ReplayAll() conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) self.assertEqual(conn.default_root_device_name(instance, image_meta, root_bdm), '/dev/vda') def test_default_device_names_for_instance(self): instance = {'uuid': 'fake_instance'} root_device_name = '/dev/vda' ephemerals = [{'device_name': 'vdb'}] swap = [{'device_name': 'vdc'}] block_device_mapping = [{'device_name': 'vdc'}] self.flags(libvirt_type='fake_libvirt_type') self.mox.StubOutWithMock(blockinfo, 'default_device_names') blockinfo.default_device_names('fake_libvirt_type', instance, root_device_name, mox.IgnoreArg(), ephemerals, swap, block_device_mapping) self.mox.ReplayAll() conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) conn.default_device_names_for_instance(instance, root_device_name, ephemerals, swap, block_device_mapping) def test_hypervisor_hostname_caching(self): # Make sure that the first hostname is always returned class FakeConn(object): def getHostname(self): pass def getLibVersion(self): return 99999 conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) conn._wrapped_conn = FakeConn() self.mox.StubOutWithMock(conn._wrapped_conn, 'getHostname') conn._conn.getHostname().AndReturn('foo') conn._conn.getHostname().AndReturn('bar') self.mox.ReplayAll() self.assertEqual('foo', conn.get_hypervisor_hostname()) self.assertEqual('foo', conn.get_hypervisor_hostname()) def test_get_connection_serial(self): def get_conn_currency(driver): driver._conn.getLibVersion() def connect_with_block(*a, **k): # enough to allow another connect to run eventlet.sleep(0) self.connect_calls += 1 return self.conn def fake_register(*a, **k): self.register_calls += 1 self.connect_calls = 0 self.register_calls = 0 self.stubs.Set(libvirt_driver.LibvirtDriver, '_connect', connect_with_block) driver = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), True) self.stubs.Set(self.conn, 'domainEventRegisterAny', fake_register) # call serially get_conn_currency(driver) get_conn_currency(driver) self.assertEqual(self.connect_calls, 1) self.assertEqual(self.register_calls, 1) def test_get_connection_concurrency(self): def get_conn_currency(driver): driver._conn.getLibVersion() def connect_with_block(*a, **k): # enough to allow another connect to run eventlet.sleep(0) self.connect_calls += 1 return self.conn def fake_register(*a, **k): self.register_calls += 1 self.connect_calls = 0 self.register_calls = 0 self.stubs.Set(libvirt_driver.LibvirtDriver, '_connect', connect_with_block) driver = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), True) self.stubs.Set(self.conn, 'domainEventRegisterAny', fake_register) # call concurrently thr1 = eventlet.spawn(get_conn_currency, driver=driver) thr2 = eventlet.spawn(get_conn_currency, driver=driver) # let threads run eventlet.sleep(0) thr1.wait() thr2.wait() self.assertEqual(self.connect_calls, 1) self.assertEqual(self.register_calls, 1) def test_post_live_migration_at_destination_with_block_device_info(self): # Preparing mocks dummyxml = ("instance-00000001" "" "" "") mock_domain = self.mox.CreateMock(libvirt.virDomain) self.mox.StubOutWithMock(mock_domain, "XMLDesc") mock_domain.XMLDesc(0).AndReturn(dummyxml) self.resultXML = None def fake_none(*args, **kwargs): return def fake_getLibVersion(): return 9007 def fake_getCapabilities(): return """ cef19ce0-0ca2-11df-855d-b19fbce37686 x86_64 Penryn Intel """ def fake_to_xml(context, instance, network_info, disk_info, image_meta=None, rescue=None, block_device_info=None, write_to_disk=False): conf = conn.get_guest_config(instance, network_info, image_meta, disk_info, rescue, block_device_info) self.resultXML = conf.to_xml() return self.resultXML def fake_lookup_name(instance_name): return mock_domain def fake_defineXML(xml): return def fake_baselineCPU(cpu, flag): return """ Westmere Intel """ network_info = _fake_network_info(self.stubs, 1) self.create_fake_libvirt_mock(getLibVersion=fake_getLibVersion, getCapabilities=fake_getCapabilities, getVersion=lambda: 1005001) instance_ref = self.test_instance instance_ref['image_ref'] = 123456 # we send an int to test sha1 call instance_type = db.flavor_get(self.context, instance_ref['instance_type_id']) sys_meta = flavors.save_flavor_info({}, instance_type) instance_ref['system_metadata'] = sys_meta instance = db.instance_create(self.context, instance_ref) self.mox.StubOutWithMock(libvirt_driver.LibvirtDriver, '_conn') libvirt_driver.LibvirtDriver._conn.listDefinedDomains = lambda: [] libvirt_driver.LibvirtDriver._conn.getCapabilities = \ fake_getCapabilities libvirt_driver.LibvirtDriver._conn.getVersion = lambda: 1005001 libvirt_driver.LibvirtDriver._conn.lookupByName = fake_lookup_name libvirt_driver.LibvirtDriver._conn.defineXML = fake_defineXML libvirt_driver.LibvirtDriver._conn.baselineCPU = fake_baselineCPU self.mox.ReplayAll() conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) self.stubs.Set(conn, 'to_xml', fake_to_xml) self.stubs.Set(conn, '_lookup_by_name', fake_lookup_name) bdm = {'guest_format': None, 'boot_index': 0, 'mount_device': '/dev/vda', 'connection_info': {'driver_volume_type': 'iscsi'}, 'disk_bus': 'virtio', 'device_type': 'disk', 'delete_on_termination': False, } block_device_info = { 'block_device_mapping': [mocked_bdm(1, bdm)] } conn.post_live_migration_at_destination(self.context, instance, network_info, True, block_device_info=block_device_info) self.assertTrue('fake' in self.resultXML) class HostStateTestCase(test.TestCase): cpu_info = ('{"vendor": "Intel", "model": "pentium", "arch": "i686", ' '"features": ["ssse3", "monitor", "pni", "sse2", "sse", ' '"fxsr", "clflush", "pse36", "pat", "cmov", "mca", "pge", ' '"mtrr", "sep", "apic"], ' '"topology": {"cores": "1", "threads": "1", "sockets": "1"}}') instance_caps = [("x86_64", "kvm", "hvm"), ("i686", "kvm", "hvm")] pci_devices = [{ "dev_id": "pci_0000_04_00_3", "address": "0000:04:10.3", "product_id": '1521', "vendor_id": '8086', "dev_type": 'type-PF', "phys_function": None}] class FakeConnection(object): """Fake connection object.""" def get_vcpu_total(self): return 1 def get_vcpu_used(self): return 0 def get_cpu_info(self): return HostStateTestCase.cpu_info def get_disk_over_committed_size_total(self): return 0 def get_local_gb_info(self): return {'total': 100, 'used': 20, 'free': 80} def get_memory_mb_total(self): return 497 def get_memory_mb_used(self): return 88 def get_hypervisor_type(self): return 'QEMU' def get_hypervisor_version(self): return 13091 def get_hypervisor_hostname(self): return 'compute1' def get_host_uptime(self): return ('10:01:16 up 1:36, 6 users, ' 'load average: 0.21, 0.16, 0.19') def get_disk_available_least(self): return 13091 def get_instance_capabilities(self): return HostStateTestCase.instance_caps def get_pci_passthrough_devices(self): return jsonutils.dumps(HostStateTestCase.pci_devices) def test_update_status(self): hs = libvirt_driver.HostState(self.FakeConnection()) stats = hs._stats self.assertEquals(stats["vcpus"], 1) self.assertEquals(stats["memory_mb"], 497) self.assertEquals(stats["local_gb"], 100) self.assertEquals(stats["vcpus_used"], 0) self.assertEquals(stats["memory_mb_used"], 88) self.assertEquals(stats["local_gb_used"], 20) self.assertEquals(stats["hypervisor_type"], 'QEMU') self.assertEquals(stats["hypervisor_version"], 13091) self.assertEquals(stats["hypervisor_hostname"], 'compute1') self.assertEquals(jsonutils.loads(stats["cpu_info"]), {"vendor": "Intel", "model": "pentium", "arch": "i686", "features": ["ssse3", "monitor", "pni", "sse2", "sse", "fxsr", "clflush", "pse36", "pat", "cmov", "mca", "pge", "mtrr", "sep", "apic"], "topology": {"cores": "1", "threads": "1", "sockets": "1"} }) self.assertEquals(stats["disk_available_least"], 80) self.assertEquals(jsonutils.loads(stats["pci_passthrough_devices"]), HostStateTestCase.pci_devices) class NWFilterFakes: def __init__(self): self.filters = {} def nwfilterLookupByName(self, name): if name in self.filters: return self.filters[name] raise libvirt.libvirtError('Filter Not Found') def filterDefineXMLMock(self, xml): class FakeNWFilterInternal: def __init__(self, parent, name, xml): self.name = name self.parent = parent self.xml = xml def undefine(self): del self.parent.filters[self.name] pass tree = etree.fromstring(xml) name = tree.get('name') if name not in self.filters: self.filters[name] = FakeNWFilterInternal(self, name, xml) return True class IptablesFirewallTestCase(test.TestCase): def setUp(self): super(IptablesFirewallTestCase, self).setUp() self.user_id = 'fake' self.project_id = 'fake' self.context = context.RequestContext(self.user_id, self.project_id) class FakeLibvirtDriver(object): def nwfilterDefineXML(*args, **kwargs): """setup_basic_rules in nwfilter calls this.""" pass self.fake_libvirt_connection = FakeLibvirtDriver() self.fw = firewall.IptablesFirewallDriver( fake.FakeVirtAPI(), get_connection=lambda: self.fake_libvirt_connection) in_rules = [ '# Generated by iptables-save v1.4.10 on Sat Feb 19 00:03:19 2011', '*nat', ':PREROUTING ACCEPT [1170:189210]', ':INPUT ACCEPT [844:71028]', ':OUTPUT ACCEPT [5149:405186]', ':POSTROUTING ACCEPT [5063:386098]', '# Completed on Tue Dec 18 15:50:25 2012', '# Generated by iptables-save v1.4.12 on Tue Dec 18 15:50:25 201;', '*mangle', ':PREROUTING ACCEPT [241:39722]', ':INPUT ACCEPT [230:39282]', ':FORWARD ACCEPT [0:0]', ':OUTPUT ACCEPT [266:26558]', ':POSTROUTING ACCEPT [267:26590]', '-A POSTROUTING -o virbr0 -p udp -m udp --dport 68 -j CHECKSUM ' '--checksum-fill', 'COMMIT', '# Completed on Tue Dec 18 15:50:25 2012', '# Generated by iptables-save v1.4.4 on Mon Dec 6 11:54:13 2010', '*filter', ':INPUT ACCEPT [969615:281627771]', ':FORWARD ACCEPT [0:0]', ':OUTPUT ACCEPT [915599:63811649]', ':nova-block-ipv4 - [0:0]', '[0:0] -A INPUT -i virbr0 -p tcp -m tcp --dport 67 -j ACCEPT ', '[0:0] -A FORWARD -d 192.168.122.0/24 -o virbr0 -m state --state RELATED' ',ESTABLISHED -j ACCEPT ', '[0:0] -A FORWARD -s 192.168.122.0/24 -i virbr0 -j ACCEPT ', '[0:0] -A FORWARD -i virbr0 -o virbr0 -j ACCEPT ', '[0:0] -A FORWARD -o virbr0 -j REJECT ' '--reject-with icmp-port-unreachable ', '[0:0] -A FORWARD -i virbr0 -j REJECT ' '--reject-with icmp-port-unreachable ', 'COMMIT', '# Completed on Mon Dec 6 11:54:13 2010', ] in6_filter_rules = [ '# Generated by ip6tables-save v1.4.4 on Tue Jan 18 23:47:56 2011', '*filter', ':INPUT ACCEPT [349155:75810423]', ':FORWARD ACCEPT [0:0]', ':OUTPUT ACCEPT [349256:75777230]', 'COMMIT', '# Completed on Tue Jan 18 23:47:56 2011', ] def _create_instance_ref(self): return db.instance_create(self.context, {'user_id': 'fake', 'project_id': 'fake', 'instance_type_id': 1}) def test_static_filters(self): instance_ref = self._create_instance_ref() src_instance_ref = self._create_instance_ref() admin_ctxt = context.get_admin_context() secgroup = db.security_group_create(admin_ctxt, {'user_id': 'fake', 'project_id': 'fake', 'name': 'testgroup', 'description': 'test group'}) src_secgroup = db.security_group_create(admin_ctxt, {'user_id': 'fake', 'project_id': 'fake', 'name': 'testsourcegroup', 'description': 'src group'}) db.security_group_rule_create(admin_ctxt, {'parent_group_id': secgroup['id'], 'protocol': 'icmp', 'from_port': -1, 'to_port': -1, 'cidr': '192.168.11.0/24'}) db.security_group_rule_create(admin_ctxt, {'parent_group_id': secgroup['id'], 'protocol': 'icmp', 'from_port': 8, 'to_port': -1, 'cidr': '192.168.11.0/24'}) db.security_group_rule_create(admin_ctxt, {'parent_group_id': secgroup['id'], 'protocol': 'tcp', 'from_port': 80, 'to_port': 81, 'cidr': '192.168.10.0/24'}) db.security_group_rule_create(admin_ctxt, {'parent_group_id': secgroup['id'], 'protocol': 'tcp', 'from_port': 80, 'to_port': 81, 'group_id': src_secgroup['id']}) db.security_group_rule_create(admin_ctxt, {'parent_group_id': secgroup['id'], 'group_id': src_secgroup['id']}) db.instance_add_security_group(admin_ctxt, instance_ref['uuid'], secgroup['id']) db.instance_add_security_group(admin_ctxt, src_instance_ref['uuid'], src_secgroup['id']) instance_ref = db.instance_get(admin_ctxt, instance_ref['id']) src_instance_ref = db.instance_get(admin_ctxt, src_instance_ref['id']) # self.fw.add_instance(instance_ref) def fake_iptables_execute(*cmd, **kwargs): process_input = kwargs.get('process_input', None) if cmd == ('ip6tables-save', '-c'): return '\n'.join(self.in6_filter_rules), None if cmd == ('iptables-save', '-c'): return '\n'.join(self.in_rules), None if cmd == ('iptables-restore', '-c'): lines = process_input.split('\n') if '*filter' in lines: self.out_rules = lines return '', '' if cmd == ('ip6tables-restore', '-c',): lines = process_input.split('\n') if '*filter' in lines: self.out6_rules = lines return '', '' network_model = _fake_network_info(self.stubs, 1) from nova.network import linux_net linux_net.iptables_manager.execute = fake_iptables_execute from nova.compute import utils as compute_utils self.stubs.Set(compute_utils, 'get_nw_info_for_instance', lambda instance: network_model) self.fw.prepare_instance_filter(instance_ref, network_model) self.fw.apply_instance_filter(instance_ref, network_model) in_rules = filter(lambda l: not l.startswith('#'), self.in_rules) for rule in in_rules: if 'nova' not in rule: self.assertTrue(rule in self.out_rules, 'Rule went missing: %s' % rule) instance_chain = None for rule in self.out_rules: # This is pretty crude, but it'll do for now # last two octets change if re.search('-d 192.168.[0-9]{1,3}.[0-9]{1,3} -j', rule): instance_chain = rule.split(' ')[-1] break self.assertTrue(instance_chain, "The instance chain wasn't added") security_group_chain = None for rule in self.out_rules: # This is pretty crude, but it'll do for now if '-A %s -j' % instance_chain in rule: security_group_chain = rule.split(' ')[-1] break self.assertTrue(security_group_chain, "The security group chain wasn't added") regex = re.compile('\[0\:0\] -A .* -j ACCEPT -p icmp ' '-s 192.168.11.0/24') self.assertTrue(len(filter(regex.match, self.out_rules)) > 0, "ICMP acceptance rule wasn't added") regex = re.compile('\[0\:0\] -A .* -j ACCEPT -p icmp -m icmp ' '--icmp-type 8 -s 192.168.11.0/24') self.assertTrue(len(filter(regex.match, self.out_rules)) > 0, "ICMP Echo Request acceptance rule wasn't added") for ip in network_model.fixed_ips(): if ip['version'] != 4: continue regex = re.compile('\[0\:0\] -A .* -j ACCEPT -p tcp -m multiport ' '--dports 80:81 -s %s' % ip['address']) self.assertTrue(len(filter(regex.match, self.out_rules)) > 0, "TCP port 80/81 acceptance rule wasn't added") regex = re.compile('\[0\:0\] -A .* -j ACCEPT -s ' '%s' % ip['address']) self.assertTrue(len(filter(regex.match, self.out_rules)) > 0, "Protocol/port-less acceptance rule wasn't added") regex = re.compile('\[0\:0\] -A .* -j ACCEPT -p tcp ' '-m multiport --dports 80:81 -s 192.168.10.0/24') self.assertTrue(len(filter(regex.match, self.out_rules)) > 0, "TCP port 80/81 acceptance rule wasn't added") db.instance_destroy(admin_ctxt, instance_ref['uuid']) def test_filters_for_instance_with_ip_v6(self): self.flags(use_ipv6=True) network_info = _fake_network_info(self.stubs, 1) rulesv4, rulesv6 = self.fw._filters_for_instance("fake", network_info) self.assertEquals(len(rulesv4), 2) self.assertEquals(len(rulesv6), 1) def test_filters_for_instance_without_ip_v6(self): self.flags(use_ipv6=False) network_info = _fake_network_info(self.stubs, 1) rulesv4, rulesv6 = self.fw._filters_for_instance("fake", network_info) self.assertEquals(len(rulesv4), 2) self.assertEquals(len(rulesv6), 0) def test_multinic_iptables(self): ipv4_rules_per_addr = 1 ipv4_addr_per_network = 2 ipv6_rules_per_addr = 1 ipv6_addr_per_network = 1 networks_count = 5 instance_ref = self._create_instance_ref() network_info = _fake_network_info(self.stubs, networks_count, ipv4_addr_per_network) network_info[0]['network']['subnets'][0]['meta']['dhcp_server'] = \ '1.1.1.1' ipv4_len = len(self.fw.iptables.ipv4['filter'].rules) ipv6_len = len(self.fw.iptables.ipv6['filter'].rules) inst_ipv4, inst_ipv6 = self.fw.instance_rules(instance_ref, network_info) self.fw.prepare_instance_filter(instance_ref, network_info) ipv4 = self.fw.iptables.ipv4['filter'].rules ipv6 = self.fw.iptables.ipv6['filter'].rules ipv4_network_rules = len(ipv4) - len(inst_ipv4) - ipv4_len ipv6_network_rules = len(ipv6) - len(inst_ipv6) - ipv6_len # Extra rules are for the DHCP request rules = (ipv4_rules_per_addr * ipv4_addr_per_network * networks_count) + 2 self.assertEquals(ipv4_network_rules, rules) self.assertEquals(ipv6_network_rules, ipv6_rules_per_addr * ipv6_addr_per_network * networks_count) def test_do_refresh_security_group_rules(self): instance_ref = self._create_instance_ref() self.mox.StubOutWithMock(self.fw, 'instance_rules') self.mox.StubOutWithMock(self.fw, 'add_filters_for_instance', use_mock_anything=True) self.fw.instance_rules(instance_ref, mox.IgnoreArg()).AndReturn((None, None)) self.fw.add_filters_for_instance(instance_ref, mox.IgnoreArg(), mox.IgnoreArg()) self.fw.instance_rules(instance_ref, mox.IgnoreArg()).AndReturn((None, None)) self.fw.add_filters_for_instance(instance_ref, mox.IgnoreArg(), mox.IgnoreArg()) self.mox.ReplayAll() self.fw.prepare_instance_filter(instance_ref, mox.IgnoreArg()) self.fw.instances[instance_ref['id']] = instance_ref self.fw.do_refresh_security_group_rules("fake") def test_unfilter_instance_undefines_nwfilter(self): admin_ctxt = context.get_admin_context() fakefilter = NWFilterFakes() _xml_mock = fakefilter.filterDefineXMLMock self.fw.nwfilter._conn.nwfilterDefineXML = _xml_mock _lookup_name = fakefilter.nwfilterLookupByName self.fw.nwfilter._conn.nwfilterLookupByName = _lookup_name instance_ref = self._create_instance_ref() network_info = _fake_network_info(self.stubs, 1) self.fw.setup_basic_filtering(instance_ref, network_info) self.fw.prepare_instance_filter(instance_ref, network_info) self.fw.apply_instance_filter(instance_ref, network_info) original_filter_count = len(fakefilter.filters) self.fw.unfilter_instance(instance_ref, network_info) # should undefine just the instance filter self.assertEqual(original_filter_count - len(fakefilter.filters), 1) db.instance_destroy(admin_ctxt, instance_ref['uuid']) def test_provider_firewall_rules(self): # setup basic instance data instance_ref = self._create_instance_ref() # FRAGILE: peeks at how the firewall names chains chain_name = 'inst-%s' % instance_ref['id'] # create a firewall via setup_basic_filtering like libvirt_conn.spawn # should have a chain with 0 rules network_info = _fake_network_info(self.stubs, 1) self.fw.setup_basic_filtering(instance_ref, network_info) self.assertTrue('provider' in self.fw.iptables.ipv4['filter'].chains) rules = [rule for rule in self.fw.iptables.ipv4['filter'].rules if rule.chain == 'provider'] self.assertEqual(0, len(rules)) admin_ctxt = context.get_admin_context() # add a rule and send the update message, check for 1 rule provider_fw0 = db.provider_fw_rule_create(admin_ctxt, {'protocol': 'tcp', 'cidr': '10.99.99.99/32', 'from_port': 1, 'to_port': 65535}) self.fw.refresh_provider_fw_rules() rules = [rule for rule in self.fw.iptables.ipv4['filter'].rules if rule.chain == 'provider'] self.assertEqual(1, len(rules)) # Add another, refresh, and make sure number of rules goes to two provider_fw1 = db.provider_fw_rule_create(admin_ctxt, {'protocol': 'udp', 'cidr': '10.99.99.99/32', 'from_port': 1, 'to_port': 65535}) self.fw.refresh_provider_fw_rules() rules = [rule for rule in self.fw.iptables.ipv4['filter'].rules if rule.chain == 'provider'] self.assertEqual(2, len(rules)) # create the instance filter and make sure it has a jump rule self.fw.prepare_instance_filter(instance_ref, network_info) self.fw.apply_instance_filter(instance_ref, network_info) inst_rules = [rule for rule in self.fw.iptables.ipv4['filter'].rules if rule.chain == chain_name] jump_rules = [rule for rule in inst_rules if '-j' in rule.rule] provjump_rules = [] # IptablesTable doesn't make rules unique internally for rule in jump_rules: if 'provider' in rule.rule and rule not in provjump_rules: provjump_rules.append(rule) self.assertEqual(1, len(provjump_rules)) # remove a rule from the db, cast to compute to refresh rule db.provider_fw_rule_destroy(admin_ctxt, provider_fw1['id']) self.fw.refresh_provider_fw_rules() rules = [rule for rule in self.fw.iptables.ipv4['filter'].rules if rule.chain == 'provider'] self.assertEqual(1, len(rules)) class NWFilterTestCase(test.TestCase): def setUp(self): super(NWFilterTestCase, self).setUp() class Mock(object): pass self.user_id = 'fake' self.project_id = 'fake' self.context = context.RequestContext(self.user_id, self.project_id) self.fake_libvirt_connection = Mock() self.fw = firewall.NWFilterFirewall(fake.FakeVirtAPI(), lambda: self.fake_libvirt_connection) def test_cidr_rule_nwfilter_xml(self): cloud_controller = cloud.CloudController() cloud_controller.create_security_group(self.context, 'testgroup', 'test group description') cloud_controller.authorize_security_group_ingress(self.context, 'testgroup', from_port='80', to_port='81', ip_protocol='tcp', cidr_ip='0.0.0.0/0') security_group = db.security_group_get_by_name(self.context, 'fake', 'testgroup') self.teardown_security_group() def teardown_security_group(self): cloud_controller = cloud.CloudController() cloud_controller.delete_security_group(self.context, 'testgroup') def setup_and_return_security_group(self): cloud_controller = cloud.CloudController() cloud_controller.create_security_group(self.context, 'testgroup', 'test group description') cloud_controller.authorize_security_group_ingress(self.context, 'testgroup', from_port='80', to_port='81', ip_protocol='tcp', cidr_ip='0.0.0.0/0') return db.security_group_get_by_name(self.context, 'fake', 'testgroup') def _create_instance(self): return db.instance_create(self.context, {'user_id': 'fake', 'project_id': 'fake', 'instance_type_id': 1}) def _create_instance_type(self, params=None): """Create a test instance.""" if not params: params = {} context = self.context.elevated() inst = {} inst['name'] = 'm1.small' inst['memory_mb'] = '1024' inst['vcpus'] = '1' inst['root_gb'] = '10' inst['ephemeral_gb'] = '20' inst['flavorid'] = '1' inst['swap'] = '2048' inst['rxtx_factor'] = 1 inst.update(params) return db.flavor_create(context, inst)['id'] def test_creates_base_rule_first(self): # These come pre-defined by libvirt self.defined_filters = ['no-mac-spoofing', 'no-ip-spoofing', 'no-arp-spoofing', 'allow-dhcp-server'] self.recursive_depends = {} for f in self.defined_filters: self.recursive_depends[f] = [] def _filterDefineXMLMock(xml): dom = minidom.parseString(xml) name = dom.firstChild.getAttribute('name') self.recursive_depends[name] = [] for f in dom.getElementsByTagName('filterref'): ref = f.getAttribute('filter') self.assertTrue(ref in self.defined_filters, ('%s referenced filter that does ' + 'not yet exist: %s') % (name, ref)) dependencies = [ref] + self.recursive_depends[ref] self.recursive_depends[name] += dependencies self.defined_filters.append(name) return True self.fake_libvirt_connection.nwfilterDefineXML = _filterDefineXMLMock instance_ref = self._create_instance() inst_id = instance_ref['id'] inst_uuid = instance_ref['uuid'] def _ensure_all_called(mac, allow_dhcp): instance_filter = 'nova-instance-%s-%s' % (instance_ref['name'], mac.translate(None, ':')) requiredlist = ['no-arp-spoofing', 'no-ip-spoofing', 'no-mac-spoofing'] required_not_list = [] if allow_dhcp: requiredlist.append('allow-dhcp-server') else: required_not_list.append('allow-dhcp-server') for required in requiredlist: self.assertTrue(required in self.recursive_depends[instance_filter], "Instance's filter does not include %s" % required) for required_not in required_not_list: self.assertFalse(required_not in self.recursive_depends[instance_filter], "Instance filter includes %s" % required_not) self.security_group = self.setup_and_return_security_group() db.instance_add_security_group(self.context, inst_uuid, self.security_group['id']) instance = db.instance_get(self.context, inst_id) network_info = _fake_network_info(self.stubs, 1) # since there is one (network_info) there is one vif # pass this vif's mac to _ensure_all_called() # to set the instance_filter properly mac = network_info[0]['address'] network_info[0]['network']['subnets'][0]['meta']['dhcp_server'] = \ '1.1.1.1' self.fw.setup_basic_filtering(instance, network_info) allow_dhcp = True _ensure_all_called(mac, allow_dhcp) network_info[0]['network']['subnets'][0]['meta']['dhcp_server'] = None self.fw.setup_basic_filtering(instance, network_info) allow_dhcp = False _ensure_all_called(mac, allow_dhcp) db.instance_remove_security_group(self.context, inst_uuid, self.security_group['id']) self.teardown_security_group() db.instance_destroy(context.get_admin_context(), instance_ref['uuid']) def test_unfilter_instance_undefines_nwfilters(self): admin_ctxt = context.get_admin_context() fakefilter = NWFilterFakes() self.fw._conn.nwfilterDefineXML = fakefilter.filterDefineXMLMock self.fw._conn.nwfilterLookupByName = fakefilter.nwfilterLookupByName instance_ref = self._create_instance() inst_id = instance_ref['id'] inst_uuid = instance_ref['uuid'] self.security_group = self.setup_and_return_security_group() db.instance_add_security_group(self.context, inst_uuid, self.security_group['id']) instance = db.instance_get(self.context, inst_id) network_info = _fake_network_info(self.stubs, 1) self.fw.setup_basic_filtering(instance, network_info) original_filter_count = len(fakefilter.filters) self.fw.unfilter_instance(instance, network_info) self.assertEqual(original_filter_count - len(fakefilter.filters), 1) db.instance_destroy(admin_ctxt, instance_ref['uuid']) def test_nwfilter_parameters(self): admin_ctxt = context.get_admin_context() fakefilter = NWFilterFakes() self.fw._conn.nwfilterDefineXML = fakefilter.filterDefineXMLMock self.fw._conn.nwfilterLookupByName = fakefilter.nwfilterLookupByName instance_ref = self._create_instance() inst_id = instance_ref['id'] inst_uuid = instance_ref['uuid'] self.security_group = self.setup_and_return_security_group() db.instance_add_security_group(self.context, inst_uuid, self.security_group['id']) instance = db.instance_get(self.context, inst_id) network_info = _fake_network_info(self.stubs, 1) self.fw.setup_basic_filtering(instance, network_info) vif = network_info[0] nic_id = vif['address'].replace(':', '') instance_filter_name = self.fw._instance_filter_name(instance, nic_id) f = fakefilter.nwfilterLookupByName(instance_filter_name) tree = etree.fromstring(f.xml) for fref in tree.findall('filterref'): parameters = fref.findall('./parameter') for parameter in parameters: subnet_v4, subnet_v6 = vif['network']['subnets'] if parameter.get('name') == 'IP': self.assertTrue(_ipv4_like(parameter.get('value'), '192.168')) elif parameter.get('name') == 'DHCPSERVER': dhcp_server = subnet_v4.get('dhcp_server') self.assertEqual(parameter.get('value'), dhcp_server) elif parameter.get('name') == 'RASERVER': ra_server = subnet_v6['gateway']['address'] + "/128" self.assertEqual(parameter.get('value'), ra_server) elif parameter.get('name') == 'PROJNET': ipv4_cidr = subnet_v4['cidr'] net, mask = netutils.get_net_and_mask(ipv4_cidr) self.assertEqual(parameter.get('value'), net) elif parameter.get('name') == 'PROJMASK': ipv4_cidr = subnet_v4['cidr'] net, mask = netutils.get_net_and_mask(ipv4_cidr) self.assertEqual(parameter.get('value'), mask) elif parameter.get('name') == 'PROJNET6': ipv6_cidr = subnet_v6['cidr'] net, prefix = netutils.get_net_and_prefixlen(ipv6_cidr) self.assertEqual(parameter.get('value'), net) elif parameter.get('name') == 'PROJMASK6': ipv6_cidr = subnet_v6['cidr'] net, prefix = netutils.get_net_and_prefixlen(ipv6_cidr) self.assertEqual(parameter.get('value'), prefix) else: raise exception.InvalidParameterValue('unknown parameter ' 'in filter') db.instance_destroy(admin_ctxt, instance_ref['uuid']) class LibvirtUtilsTestCase(test.TestCase): def test_get_iscsi_initiator(self): self.mox.StubOutWithMock(utils, 'execute') initiator = 'fake.initiator.iqn' rval = ("junk\nInitiatorName=%s\njunk\n" % initiator, None) utils.execute('cat', '/etc/iscsi/initiatorname.iscsi', run_as_root=True).AndReturn(rval) # Start test self.mox.ReplayAll() result = libvirt_utils.get_iscsi_initiator() self.assertEqual(initiator, result) def test_get_missing_iscsi_initiator(self): self.mox.StubOutWithMock(utils, 'execute') file_path = '/etc/iscsi/initiatorname.iscsi' utils.execute('cat', file_path, run_as_root=True).AndRaise( exception.FileNotFound(file_path=file_path) ) # Start test self.mox.ReplayAll() result = libvirt_utils.get_iscsi_initiator() self.assertIsNone(result) def test_create_image(self): self.mox.StubOutWithMock(utils, 'execute') utils.execute('qemu-img', 'create', '-f', 'raw', '/some/path', '10G') utils.execute('qemu-img', 'create', '-f', 'qcow2', '/some/stuff', '1234567891234') # Start test self.mox.ReplayAll() libvirt_utils.create_image('raw', '/some/path', '10G') libvirt_utils.create_image('qcow2', '/some/stuff', '1234567891234') def test_create_cow_image(self): self.mox.StubOutWithMock(os.path, 'exists') self.mox.StubOutWithMock(utils, 'execute') rval = ('', '') os.path.exists('/some/path').AndReturn(True) utils.execute('env', 'LC_ALL=C', 'LANG=C', 'qemu-img', 'info', '/some/path').AndReturn(rval) utils.execute('qemu-img', 'create', '-f', 'qcow2', '-o', 'backing_file=/some/path', '/the/new/cow') # Start test self.mox.ReplayAll() libvirt_utils.create_cow_image('/some/path', '/the/new/cow') def test_pick_disk_driver_name(self): type_map = {'kvm': ([True, 'qemu'], [False, 'qemu'], [None, 'qemu']), 'qemu': ([True, 'qemu'], [False, 'qemu'], [None, 'qemu']), 'xen': ([True, 'phy'], [False, 'tap2'], [None, 'tap2']), 'uml': ([True, None], [False, None], [None, None]), 'lxc': ([True, None], [False, None], [None, None])} for (libvirt_type, checks) in type_map.iteritems(): if libvirt_type == "xen": version = 4001000 else: version = 1005001 self.flags(libvirt_type=libvirt_type) for (is_block_dev, expected_result) in checks: result = libvirt_utils.pick_disk_driver_name(version, is_block_dev) self.assertEquals(result, expected_result) def test_pick_disk_driver_name_xen_4_0_0(self): self.flags(libvirt_type="xen") result = libvirt_utils.pick_disk_driver_name(4000000, False) self.assertEquals(result, "tap") def test_get_disk_size(self): self.mox.StubOutWithMock(os.path, 'exists') self.mox.StubOutWithMock(utils, 'execute') os.path.exists('/some/path').AndReturn(True) utils.execute('env', 'LC_ALL=C', 'LANG=C', 'qemu-img', 'info', '/some/path').AndReturn(('''image: 00000001 file format: raw virtual size: 4.4M (4592640 bytes) disk size: 4.4M''', '')) # Start test self.mox.ReplayAll() self.assertEquals(disk.get_disk_size('/some/path'), 4592640) def test_copy_image(self): dst_fd, dst_path = tempfile.mkstemp() try: os.close(dst_fd) src_fd, src_path = tempfile.mkstemp() try: with os.fdopen(src_fd, 'w') as fp: fp.write('canary') libvirt_utils.copy_image(src_path, dst_path) with open(dst_path, 'r') as fp: self.assertEquals(fp.read(), 'canary') finally: os.unlink(src_path) finally: os.unlink(dst_path) def test_write_to_file(self): dst_fd, dst_path = tempfile.mkstemp() try: os.close(dst_fd) libvirt_utils.write_to_file(dst_path, 'hello') with open(dst_path, 'r') as fp: self.assertEquals(fp.read(), 'hello') finally: os.unlink(dst_path) def test_write_to_file_with_umask(self): dst_fd, dst_path = tempfile.mkstemp() try: os.close(dst_fd) os.unlink(dst_path) libvirt_utils.write_to_file(dst_path, 'hello', umask=0o277) with open(dst_path, 'r') as fp: self.assertEquals(fp.read(), 'hello') mode = os.stat(dst_path).st_mode self.assertEquals(mode & 0o277, 0) finally: os.unlink(dst_path) def test_chown(self): self.mox.StubOutWithMock(utils, 'execute') utils.execute('chown', 'soren', '/some/path', run_as_root=True) self.mox.ReplayAll() libvirt_utils.chown('/some/path', 'soren') def _do_test_extract_snapshot(self, dest_format='raw', out_format='raw'): self.mox.StubOutWithMock(utils, 'execute') utils.execute('qemu-img', 'convert', '-f', 'qcow2', '-O', out_format, '/path/to/disk/image', '/extracted/snap') # Start test self.mox.ReplayAll() libvirt_utils.extract_snapshot('/path/to/disk/image', 'qcow2', '/extracted/snap', dest_format) def test_extract_snapshot_raw(self): self._do_test_extract_snapshot() def test_extract_snapshot_iso(self): self._do_test_extract_snapshot(dest_format='iso') def test_extract_snapshot_qcow2(self): self._do_test_extract_snapshot(dest_format='qcow2', out_format='qcow2') def test_load_file(self): dst_fd, dst_path = tempfile.mkstemp() try: os.close(dst_fd) # We have a test for write_to_file. If that is sound, this suffices libvirt_utils.write_to_file(dst_path, 'hello') self.assertEquals(libvirt_utils.load_file(dst_path), 'hello') finally: os.unlink(dst_path) def test_file_open(self): dst_fd, dst_path = tempfile.mkstemp() try: os.close(dst_fd) # We have a test for write_to_file. If that is sound, this suffices libvirt_utils.write_to_file(dst_path, 'hello') with libvirt_utils.file_open(dst_path, 'r') as fp: self.assertEquals(fp.read(), 'hello') finally: os.unlink(dst_path) def test_get_fs_info(self): class FakeStatResult(object): def __init__(self): self.f_bsize = 4096 self.f_frsize = 4096 self.f_blocks = 2000 self.f_bfree = 1000 self.f_bavail = 900 self.f_files = 2000 self.f_ffree = 1000 self.f_favail = 900 self.f_flag = 4096 self.f_namemax = 255 self.path = None def fake_statvfs(path): self.path = path return FakeStatResult() self.stubs.Set(os, 'statvfs', fake_statvfs) fs_info = libvirt_utils.get_fs_info('/some/file/path') self.assertEquals('/some/file/path', self.path) self.assertEquals(8192000, fs_info['total']) self.assertEquals(3686400, fs_info['free']) self.assertEquals(4096000, fs_info['used']) def test_fetch_image(self): self.mox.StubOutWithMock(images, 'fetch_to_raw') context = 'opaque context' target = '/tmp/targetfile' image_id = '4' user_id = 'fake' project_id = 'fake' images.fetch_to_raw(context, image_id, target, user_id, project_id, max_size=0) self.mox.ReplayAll() libvirt_utils.fetch_image(context, target, image_id, user_id, project_id) def test_fetch_raw_image(self): def fake_execute(*cmd, **kwargs): self.executes.append(cmd) return None, None def fake_rename(old, new): self.executes.append(('mv', old, new)) def fake_unlink(path): self.executes.append(('rm', path)) def fake_rm_on_error(path, remove=None): self.executes.append(('rm', '-f', path)) def fake_qemu_img_info(path): class FakeImgInfo(object): pass file_format = path.split('.')[-1] if file_format == 'part': file_format = path.split('.')[-2] elif file_format == 'converted': file_format = 'raw' if 'backing' in path: backing_file = 'backing' else: backing_file = None if 'big' in path: virtual_size = 2 else: virtual_size = 1 FakeImgInfo.file_format = file_format FakeImgInfo.backing_file = backing_file FakeImgInfo.virtual_size = virtual_size return FakeImgInfo() self.stubs.Set(utils, 'execute', fake_execute) self.stubs.Set(os, 'rename', fake_rename) self.stubs.Set(os, 'unlink', fake_unlink) self.stubs.Set(images, 'fetch', lambda *_, **__: None) self.stubs.Set(images, 'qemu_img_info', fake_qemu_img_info) self.stubs.Set(fileutils, 'delete_if_exists', fake_rm_on_error) # Since the remove param of fileutils.remove_path_on_error() # is initialized at load time, we must provide a wrapper # that explicitly resets it to our fake delete_if_exists() old_rm_path_on_error = fileutils.remove_path_on_error f = functools.partial(old_rm_path_on_error, remove=fake_rm_on_error) self.stubs.Set(fileutils, 'remove_path_on_error', f) context = 'opaque context' image_id = '4' user_id = 'fake' project_id = 'fake' target = 't.qcow2' self.executes = [] expected_commands = [('qemu-img', 'convert', '-O', 'raw', 't.qcow2.part', 't.qcow2.converted'), ('rm', 't.qcow2.part'), ('mv', 't.qcow2.converted', 't.qcow2')] images.fetch_to_raw(context, image_id, target, user_id, project_id, max_size=1) self.assertEqual(self.executes, expected_commands) target = 't.raw' self.executes = [] expected_commands = [('mv', 't.raw.part', 't.raw')] images.fetch_to_raw(context, image_id, target, user_id, project_id) self.assertEqual(self.executes, expected_commands) target = 'backing.qcow2' self.executes = [] expected_commands = [('rm', '-f', 'backing.qcow2.part')] self.assertRaises(exception.ImageUnacceptable, images.fetch_to_raw, context, image_id, target, user_id, project_id) self.assertEqual(self.executes, expected_commands) target = 'big.qcow2' self.executes = [] expected_commands = [('rm', '-f', 'big.qcow2.part')] self.assertRaises(exception.InstanceTypeDiskTooSmall, images.fetch_to_raw, context, image_id, target, user_id, project_id, max_size=1) self.assertEqual(self.executes, expected_commands) del self.executes def test_get_disk_backing_file(self): with_actual_path = False def fake_execute(*args, **kwargs): if with_actual_path: return ("some: output\n" "backing file: /foo/bar/baz (actual path: /a/b/c)\n" "...: ...\n"), '' else: return ("some: output\n" "backing file: /foo/bar/baz\n" "...: ...\n"), '' def return_true(*args, **kwargs): return True self.stubs.Set(utils, 'execute', fake_execute) self.stubs.Set(os.path, 'exists', return_true) out = libvirt_utils.get_disk_backing_file('') self.assertEqual(out, 'baz') with_actual_path = True out = libvirt_utils.get_disk_backing_file('') self.assertEqual(out, 'c') class LibvirtDriverTestCase(test.TestCase): """Test for nova.virt.libvirt.libvirt_driver.LibvirtDriver.""" def setUp(self): super(LibvirtDriverTestCase, self).setUp() self.libvirtconnection = libvirt_driver.LibvirtDriver( fake.FakeVirtAPI(), read_only=True) def _create_instance(self, params=None): """Create a test instance.""" if not params: params = {} sys_meta = flavors.save_flavor_info( {}, flavors.get_flavor_by_name('m1.tiny')) inst = {} inst['image_ref'] = '1' inst['reservation_id'] = 'r-fakeres' inst['user_id'] = 'fake' inst['project_id'] = 'fake' type_id = flavors.get_flavor_by_name('m1.tiny')['id'] inst['instance_type_id'] = type_id inst['ami_launch_index'] = 0 inst['host'] = 'host1' inst['root_gb'] = 10 inst['ephemeral_gb'] = 20 inst['config_drive'] = True inst['kernel_id'] = 2 inst['ramdisk_id'] = 3 inst['key_data'] = 'ABCDEFG' inst['system_metadata'] = sys_meta inst.update(params) return db.instance_create(context.get_admin_context(), inst) def test_migrate_disk_and_power_off_exception(self): """Test for nova.virt.libvirt.libvirt_driver.LivirtConnection .migrate_disk_and_power_off. """ self.counter = 0 self.checked_shared_storage = False def fake_get_instance_disk_info(instance, xml=None, block_device_info=None): return '[]' def fake_destroy(instance): pass def fake_get_host_ip_addr(): return '10.0.0.1' def fake_execute(*args, **kwargs): self.counter += 1 if self.counter == 1: assert False, "intentional failure" def fake_os_path_exists(path): return True def fake_is_storage_shared(dest, inst_base): self.checked_shared_storage = True return False self.stubs.Set(self.libvirtconnection, 'get_instance_disk_info', fake_get_instance_disk_info) self.stubs.Set(self.libvirtconnection, '_destroy', fake_destroy) self.stubs.Set(self.libvirtconnection, 'get_host_ip_addr', fake_get_host_ip_addr) self.stubs.Set(self.libvirtconnection, '_is_storage_shared_with', fake_is_storage_shared) self.stubs.Set(utils, 'execute', fake_execute) self.stubs.Set(os.path, 'exists', fake_os_path_exists) ins_ref = self._create_instance() self.assertRaises(AssertionError, self.libvirtconnection.migrate_disk_and_power_off, None, ins_ref, '10.0.0.2', None, None) def test_migrate_disk_and_power_off(self): """Test for nova.virt.libvirt.libvirt_driver.LivirtConnection .migrate_disk_and_power_off. """ disk_info = [{'type': 'qcow2', 'path': '/test/disk', 'virt_disk_size': '10737418240', 'backing_file': '/base/disk', 'disk_size': '83886080'}, {'type': 'raw', 'path': '/test/disk.local', 'virt_disk_size': '10737418240', 'backing_file': '/base/disk.local', 'disk_size': '83886080'}] disk_info_text = jsonutils.dumps(disk_info) def fake_get_instance_disk_info(instance, xml=None, block_device_info=None): return disk_info_text def fake_destroy(instance): pass def fake_get_host_ip_addr(): return '10.0.0.1' def fake_execute(*args, **kwargs): pass self.stubs.Set(self.libvirtconnection, 'get_instance_disk_info', fake_get_instance_disk_info) self.stubs.Set(self.libvirtconnection, '_destroy', fake_destroy) self.stubs.Set(self.libvirtconnection, 'get_host_ip_addr', fake_get_host_ip_addr) self.stubs.Set(utils, 'execute', fake_execute) ins_ref = self._create_instance() # dest is different host case out = self.libvirtconnection.migrate_disk_and_power_off( None, ins_ref, '10.0.0.2', None, None) self.assertEquals(out, disk_info_text) # dest is same host case out = self.libvirtconnection.migrate_disk_and_power_off( None, ins_ref, '10.0.0.1', None, None) self.assertEquals(out, disk_info_text) def test_wait_for_running(self): def fake_get_info(instance): if instance['name'] == "not_found": raise exception.InstanceNotFound(instance_id=instance['uuid']) elif instance['name'] == "running": return {'state': power_state.RUNNING} else: return {'state': power_state.SHUTDOWN} self.stubs.Set(self.libvirtconnection, 'get_info', fake_get_info) # instance not found case self.assertRaises(exception.InstanceNotFound, self.libvirtconnection._wait_for_running, {'name': 'not_found', 'uuid': 'not_found_uuid'}) # instance is running case self.assertRaises(loopingcall.LoopingCallDone, self.libvirtconnection._wait_for_running, {'name': 'running', 'uuid': 'running_uuid'}) # else case self.libvirtconnection._wait_for_running({'name': 'else', 'uuid': 'other_uuid'}) def _test_finish_migration(self, power_on): """Test for nova.virt.libvirt.libvirt_driver.LivirtConnection .finish_migration. """ disk_info = [{'type': 'qcow2', 'path': '/test/disk', 'local_gb': 10, 'backing_file': '/base/disk'}, {'type': 'raw', 'path': '/test/disk.local', 'local_gb': 10, 'backing_file': '/base/disk.local'}] disk_info_text = jsonutils.dumps(disk_info) powered_on = power_on self.fake_create_domain_called = False def fake_can_resize_image(path, size): return False def fake_extend(path, size, use_cow=False): pass def fake_to_xml(context, instance, network_info, disk_info, image_meta=None, rescue=None, block_device_info=None, write_to_disk=False): return "" def fake_plug_vifs(instance, network_info): pass def fake_create_image(context, inst, disk_mapping, suffix='', disk_images=None, network_info=None, block_device_info=None, inject_files=True): self.assertFalse(inject_files) def fake_create_domain(xml, instance=None, power_on=True): self.fake_create_domain_called = True self.assertEqual(powered_on, power_on) return None def fake_enable_hairpin(instance): pass def fake_execute(*args, **kwargs): pass def fake_get_info(instance): if powered_on: return {'state': power_state.RUNNING} else: return {'state': power_state.SHUTDOWN} self.flags(use_cow_images=True) self.stubs.Set(libvirt_driver.disk, 'extend', fake_extend) self.stubs.Set(libvirt_driver.disk, 'can_resize_image', fake_can_resize_image) self.stubs.Set(self.libvirtconnection, 'to_xml', fake_to_xml) self.stubs.Set(self.libvirtconnection, 'plug_vifs', fake_plug_vifs) self.stubs.Set(self.libvirtconnection, '_create_image', fake_create_image) self.stubs.Set(self.libvirtconnection, '_create_domain', fake_create_domain) self.stubs.Set(self.libvirtconnection, '_enable_hairpin', fake_enable_hairpin) self.stubs.Set(utils, 'execute', fake_execute) fw = base_firewall.NoopFirewallDriver() self.stubs.Set(self.libvirtconnection, 'firewall_driver', fw) self.stubs.Set(self.libvirtconnection, 'get_info', fake_get_info) ins_ref = self._create_instance() self.libvirtconnection.finish_migration( context.get_admin_context(), None, ins_ref, disk_info_text, None, None, None, None, power_on) self.assertTrue(self.fake_create_domain_called) def test_finish_migration_power_on(self): self._test_finish_migration(True) def test_finish_migration_power_off(self): self._test_finish_migration(False) def _test_finish_revert_migration(self, power_on): """Test for nova.virt.libvirt.libvirt_driver.LivirtConnection .finish_revert_migration. """ powered_on = power_on self.fake_create_domain_called = False def fake_execute(*args, **kwargs): pass def fake_plug_vifs(instance, network_info): pass def fake_create_domain(xml, instance=None, power_on=True): self.fake_create_domain_called = True self.assertEqual(powered_on, power_on) return None def fake_enable_hairpin(instance): pass def fake_get_info(instance): if powered_on: return {'state': power_state.RUNNING} else: return {'state': power_state.SHUTDOWN} def fake_to_xml(context, instance, network_info, disk_info, image_meta=None, rescue=None, block_device_info=None): return "" self.stubs.Set(self.libvirtconnection, 'to_xml', fake_to_xml) self.stubs.Set(self.libvirtconnection, 'plug_vifs', fake_plug_vifs) self.stubs.Set(utils, 'execute', fake_execute) fw = base_firewall.NoopFirewallDriver() self.stubs.Set(self.libvirtconnection, 'firewall_driver', fw) self.stubs.Set(self.libvirtconnection, '_create_domain', fake_create_domain) self.stubs.Set(self.libvirtconnection, '_enable_hairpin', fake_enable_hairpin) self.stubs.Set(self.libvirtconnection, 'get_info', fake_get_info) with utils.tempdir() as tmpdir: self.flags(instances_path=tmpdir) ins_ref = self._create_instance() os.mkdir(os.path.join(tmpdir, ins_ref['name'])) libvirt_xml_path = os.path.join(tmpdir, ins_ref['name'], 'libvirt.xml') f = open(libvirt_xml_path, 'w') f.close() self.libvirtconnection.finish_revert_migration(ins_ref, None, None, power_on) self.assertTrue(self.fake_create_domain_called) def test_finish_revert_migration_power_on(self): self._test_finish_revert_migration(True) def test_finish_revert_migration_power_off(self): self._test_finish_revert_migration(False) def _test_finish_revert_migration_after_crash(self, backup_made=True, del_inst_failed=False): class FakeLoopingCall: def start(self, *a, **k): return self def wait(self): return None self.mox.StubOutWithMock(libvirt_utils, 'get_instance_path') self.mox.StubOutWithMock(os.path, 'exists') self.mox.StubOutWithMock(shutil, 'rmtree') self.mox.StubOutWithMock(utils, 'execute') self.stubs.Set(blockinfo, 'get_disk_info', lambda *a: None) self.stubs.Set(self.libvirtconnection, 'to_xml', lambda *a, **k: None) self.stubs.Set(self.libvirtconnection, '_create_domain_and_network', lambda *a: None) self.stubs.Set(loopingcall, 'FixedIntervalLoopingCall', lambda *a, **k: FakeLoopingCall()) libvirt_utils.get_instance_path({}).AndReturn('/fake/foo') os.path.exists('/fake/foo_resize').AndReturn(backup_made) if backup_made: if del_inst_failed: os_error = OSError(errno.ENOENT, 'No such file or directory') shutil.rmtree('/fake/foo').AndRaise(os_error) else: shutil.rmtree('/fake/foo') utils.execute('mv', '/fake/foo_resize', '/fake/foo') self.mox.ReplayAll() self.libvirtconnection.finish_revert_migration({}, []) def test_finish_revert_migration_after_crash(self): self._test_finish_revert_migration_after_crash(backup_made=True) def test_finish_revert_migration_after_crash_before_new(self): self._test_finish_revert_migration_after_crash(backup_made=True) def test_finish_revert_migration_after_crash_before_backup(self): self._test_finish_revert_migration_after_crash(backup_made=False) def test_finish_revert_migration_after_crash_delete_failed(self): self._test_finish_revert_migration_after_crash(backup_made=True, del_inst_failed=True) def test_cleanup_failed_migration(self): self.mox.StubOutWithMock(shutil, 'rmtree') shutil.rmtree('/fake/inst') self.mox.ReplayAll() self.libvirtconnection._cleanup_failed_migration('/fake/inst') def test_confirm_migration(self): ins_ref = self._create_instance() self.mox.StubOutWithMock(self.libvirtconnection, "_cleanup_resize") self.libvirtconnection._cleanup_resize(ins_ref, _fake_network_info(self.stubs, 1)) self.mox.ReplayAll() self.libvirtconnection.confirm_migration("migration_ref", ins_ref, _fake_network_info(self.stubs, 1)) def test_cleanup_resize_same_host(self): ins_ref = self._create_instance({'host': CONF.host}) def fake_os_path_exists(path): return True self.stubs.Set(os.path, 'exists', fake_os_path_exists) self.mox.StubOutWithMock(libvirt_utils, 'get_instance_path') self.mox.StubOutWithMock(utils, 'execute') libvirt_utils.get_instance_path(ins_ref).AndReturn('/fake/inst') utils.execute('rm', '-rf', '/fake/inst_resize', delay_on_retry=True, attempts=5) self.mox.ReplayAll() self.libvirtconnection._cleanup_resize(ins_ref, _fake_network_info(self.stubs, 1)) def test_cleanup_resize_not_same_host(self): host = 'not' + CONF.host ins_ref = self._create_instance({'host': host}) def fake_os_path_exists(path): return True def fake_undefine_domain(instance): pass def fake_unplug_vifs(instance, network_info): pass def fake_unfilter_instance(instance, network_info): pass self.stubs.Set(os.path, 'exists', fake_os_path_exists) self.stubs.Set(self.libvirtconnection, '_undefine_domain', fake_undefine_domain) self.stubs.Set(self.libvirtconnection, 'unplug_vifs', fake_unplug_vifs) self.stubs.Set(self.libvirtconnection.firewall_driver, 'unfilter_instance', fake_unfilter_instance) self.mox.StubOutWithMock(libvirt_utils, 'get_instance_path') self.mox.StubOutWithMock(utils, 'execute') libvirt_utils.get_instance_path(ins_ref).AndReturn('/fake/inst') utils.execute('rm', '-rf', '/fake/inst_resize', delay_on_retry=True, attempts=5) self.mox.ReplayAll() self.libvirtconnection._cleanup_resize(ins_ref, _fake_network_info(self.stubs, 1)) def test_get_instance_disk_info_exception(self): instance_name = "fake-instance-name" class FakeExceptionDomain(FakeVirtDomain): def __init__(self): super(FakeExceptionDomain, self).__init__() def XMLDesc(self, *args): raise libvirt.libvirtError("Libvirt error") def fake_lookup_by_name(instance_name): return FakeExceptionDomain() self.stubs.Set(self.libvirtconnection, '_lookup_by_name', fake_lookup_by_name) self.assertRaises(exception.InstanceNotFound, self.libvirtconnection.get_instance_disk_info, instance_name) def test_get_cpuset_ids(self): # correct syntax self.flags(vcpu_pin_set="1") cpuset_ids = self.libvirtconnection._get_cpuset_ids() self.assertEqual([1], cpuset_ids) self.flags(vcpu_pin_set="1,2") cpuset_ids = self.libvirtconnection._get_cpuset_ids() self.assertEqual([1, 2], cpuset_ids) self.flags(vcpu_pin_set=", , 1 , ,, 2, ,") cpuset_ids = self.libvirtconnection._get_cpuset_ids() self.assertEqual([1, 2], cpuset_ids) self.flags(vcpu_pin_set="1-1") cpuset_ids = self.libvirtconnection._get_cpuset_ids() self.assertEqual([1], cpuset_ids) self.flags(vcpu_pin_set=" 1 - 1, 1 - 2 , 1 -3") cpuset_ids = self.libvirtconnection._get_cpuset_ids() self.assertEqual([1, 2, 3], cpuset_ids) self.flags(vcpu_pin_set="1,^2") cpuset_ids = self.libvirtconnection._get_cpuset_ids() self.assertEqual([1], cpuset_ids) self.flags(vcpu_pin_set="1-2, ^1") cpuset_ids = self.libvirtconnection._get_cpuset_ids() self.assertEqual([2], cpuset_ids) self.flags(vcpu_pin_set="1-3,5,^2") cpuset_ids = self.libvirtconnection._get_cpuset_ids() self.assertEqual([1, 3, 5], cpuset_ids) self.flags(vcpu_pin_set=" 1 - 3 , ^2, 5") cpuset_ids = self.libvirtconnection._get_cpuset_ids() self.assertEqual([1, 3, 5], cpuset_ids) # invalid syntax self.flags(vcpu_pin_set=" -1-3,5,^2") self.assertRaises(exception.Invalid, self.libvirtconnection._get_cpuset_ids) self.flags(vcpu_pin_set="1-3-,5,^2") self.assertRaises(exception.Invalid, self.libvirtconnection._get_cpuset_ids) self.flags(vcpu_pin_set="-3,5,^2") self.assertRaises(exception.Invalid, self.libvirtconnection._get_cpuset_ids) self.flags(vcpu_pin_set="1-,5,^2") self.assertRaises(exception.Invalid, self.libvirtconnection._get_cpuset_ids) self.flags(vcpu_pin_set="1-3,5,^2^") self.assertRaises(exception.Invalid, self.libvirtconnection._get_cpuset_ids) self.flags(vcpu_pin_set="1-3,5,^2-") self.assertRaises(exception.Invalid, self.libvirtconnection._get_cpuset_ids) self.flags(vcpu_pin_set="--13,^^5,^2") self.assertRaises(exception.Invalid, self.libvirtconnection._get_cpuset_ids) self.flags(vcpu_pin_set="a-3,5,^2") self.assertRaises(exception.Invalid, self.libvirtconnection._get_cpuset_ids) self.flags(vcpu_pin_set="1-a,5,^2") self.assertRaises(exception.Invalid, self.libvirtconnection._get_cpuset_ids) self.flags(vcpu_pin_set="1-3,b,^2") self.assertRaises(exception.Invalid, self.libvirtconnection._get_cpuset_ids) self.flags(vcpu_pin_set="1-3,5,^c") self.assertRaises(exception.Invalid, self.libvirtconnection._get_cpuset_ids) self.flags(vcpu_pin_set="3 - 1, 5 , ^ 2 ") self.assertRaises(exception.Invalid, self.libvirtconnection._get_cpuset_ids) self.flags(vcpu_pin_set=" 1,1, ^1") self.assertRaises(exception.Invalid, self.libvirtconnection._get_cpuset_ids) self.flags(vcpu_pin_set=" 1,^1,^1,2, ^2") self.assertRaises(exception.Invalid, self.libvirtconnection._get_cpuset_ids) self.flags(vcpu_pin_set="^2") self.assertRaises(exception.Invalid, self.libvirtconnection._get_cpuset_ids) class LibvirtVolumeUsageTestCase(test.TestCase): """Test for LibvirtDriver.get_all_volume_usage.""" def setUp(self): super(LibvirtVolumeUsageTestCase, self).setUp() self.conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) self.c = context.get_admin_context() # creating instance inst = {} inst['uuid'] = '875a8070-d0b9-4949-8b31-104d125c9a64' self.ins_ref = db.instance_create(self.c, inst) # verify bootable volume device path also self.bdms = [{'volume_id': 1, 'device_name': '/dev/vde'}, {'volume_id': 2, 'device_name': 'vda'}] def test_get_all_volume_usage(self): def fake_block_stats(instance_name, disk): return (169L, 688640L, 0L, 0L, -1L) self.stubs.Set(self.conn, 'block_stats', fake_block_stats) vol_usage = self.conn.get_all_volume_usage(self.c, [dict(instance=self.ins_ref, instance_bdms=self.bdms)]) expected_usage = [{'volume': 1, 'instance': self.ins_ref, 'rd_bytes': 688640L, 'wr_req': 0L, 'flush_operations': -1L, 'rd_req': 169L, 'wr_bytes': 0L}, {'volume': 2, 'instance': self.ins_ref, 'rd_bytes': 688640L, 'wr_req': 0L, 'flush_operations': -1L, 'rd_req': 169L, 'wr_bytes': 0L}] self.assertEqual(vol_usage, expected_usage) def test_get_all_volume_usage_device_not_found(self): def fake_lookup(instance_name): raise libvirt.libvirtError('invalid path') self.stubs.Set(self.conn, '_lookup_by_name', fake_lookup) vol_usage = self.conn.get_all_volume_usage(self.c, [dict(instance=self.ins_ref, instance_bdms=self.bdms)]) self.assertEqual(vol_usage, []) class LibvirtNonblockingTestCase(test.TestCase): """Test libvirt_nonblocking option.""" def setUp(self): super(LibvirtNonblockingTestCase, self).setUp() self.flags(libvirt_nonblocking=True, libvirt_uri="test:///default") def test_connection_to_primitive(self): # Test bug 962840. import nova.virt.libvirt.driver as libvirt_driver connection = libvirt_driver.LibvirtDriver('') jsonutils.to_primitive(connection._conn, convert_instances=True) def test_tpool_execute_calls_libvirt(self): conn = libvirt.virConnect() conn.is_expected = True self.mox.StubOutWithMock(eventlet.tpool, 'execute') eventlet.tpool.execute( libvirt.openAuth, 'test:///default', mox.IgnoreArg(), mox.IgnoreArg()).AndReturn(conn) eventlet.tpool.execute( conn.domainEventRegisterAny, None, libvirt.VIR_DOMAIN_EVENT_ID_LIFECYCLE, mox.IgnoreArg(), mox.IgnoreArg()) if hasattr(libvirt.virConnect, 'registerCloseCallback'): eventlet.tpool.execute( conn.registerCloseCallback, mox.IgnoreArg(), mox.IgnoreArg()) self.mox.ReplayAll() driver = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), True) c = driver._get_connection() self.assertEqual(True, c.is_expected) class LibvirtVolumeSnapshotTestCase(test.TestCase): """Tests for libvirtDriver.volume_snapshot_create/delete.""" def setUp(self): super(LibvirtVolumeSnapshotTestCase, self).setUp() self.conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False) self.c = context.get_admin_context() self.flags(instance_name_template='instance-%s') # creating instance self.inst = {} self.inst['uuid'] = uuidutils.generate_uuid() self.inst['id'] = '1' # create domain info self.dom_xml = """ 0e38683e-f0af-418f-a3f1-6b67ea0f919d """ self.create_info = {'type': 'qcow2', 'snapshot_id': '1234-5678', 'new_file': 'new-file'} self.volume_uuid = '0e38683e-f0af-418f-a3f1-6b67ea0f919d' self.snapshot_id = '9c3ca9f4-9f4e-4dba-bedd-5c5e4b52b162' self.delete_info_1 = {'type': 'qcow2', 'file_to_merge': 'snap.img', 'merge_target_file': None} self.delete_info_2 = {'type': 'qcow2', 'file_to_merge': 'snap.img', 'merge_target_file': 'other-snap.img'} self.delete_info_invalid_type = {'type': 'made_up_type', 'file_to_merge': 'some_file', 'merge_target_file': 'some_other_file'} def tearDown(self): super(LibvirtVolumeSnapshotTestCase, self).tearDown() def test_volume_snapshot_create(self, quiesce=True): CONF.instance_name_template = 'instance-%s' self.mox.StubOutWithMock(self.conn, '_lookup_by_name') self.mox.StubOutWithMock(self.conn, '_volume_api') instance = db.instance_create(self.c, self.inst) snapshot_id = 'snap-asdf-qwert' new_file = 'new-file' domain = FakeVirtDomain(fake_xml=self.dom_xml) self.mox.StubOutWithMock(domain, 'XMLDesc') self.mox.StubOutWithMock(domain, 'snapshotCreateXML') domain.XMLDesc(0).AndReturn(self.dom_xml) snap_xml_src = ( '\n' ' \n' ' \n' ' \n' ' \n' ' \n' ' \n' '\n') # Older versions of libvirt may be missing these. libvirt.VIR_DOMAIN_SNAPSHOT_CREATE_REUSE_EXT = 32 libvirt.VIR_DOMAIN_SNAPSHOT_CREATE_QUIESCE = 64 snap_flags = (libvirt.VIR_DOMAIN_SNAPSHOT_CREATE_DISK_ONLY | libvirt.VIR_DOMAIN_SNAPSHOT_CREATE_NO_METADATA | libvirt.VIR_DOMAIN_SNAPSHOT_CREATE_REUSE_EXT) snap_flags_q = snap_flags | libvirt.VIR_DOMAIN_SNAPSHOT_CREATE_QUIESCE if quiesce: domain.snapshotCreateXML(snap_xml_src, snap_flags_q) else: domain.snapshotCreateXML(snap_xml_src, snap_flags_q).\ AndRaise(libvirt.libvirtError('quiescing failed, no qemu-ga')) domain.snapshotCreateXML(snap_xml_src, snap_flags).AndReturn(0) self.mox.ReplayAll() self.conn._volume_snapshot_create(self.c, instance, domain, self.volume_uuid, snapshot_id, new_file) self.mox.VerifyAll() def test_volume_snapshot_create_noquiesce(self): self.test_volume_snapshot_create(quiesce=False) def test_volume_snapshot_create_outer_success(self): instance = db.instance_create(self.c, self.inst) domain = FakeVirtDomain(fake_xml=self.dom_xml) self.mox.StubOutWithMock(self.conn, '_lookup_by_name') self.mox.StubOutWithMock(self.conn, '_volume_api') self.mox.StubOutWithMock(self.conn, '_volume_snapshot_create') self.conn._lookup_by_name('instance-1').AndReturn(domain) self.conn._volume_snapshot_create(self.c, instance, domain, self.volume_uuid, self.create_info['snapshot_id'], self.create_info['new_file']) self.conn._volume_api.update_snapshot_status( self.c, self.create_info['snapshot_id'], 'creating') self.mox.ReplayAll() self.conn.volume_snapshot_create(self.c, instance, self.volume_uuid, self.create_info) def test_volume_snapshot_create_outer_failure(self): instance = db.instance_create(self.c, self.inst) domain = FakeVirtDomain(fake_xml=self.dom_xml) self.mox.StubOutWithMock(self.conn, '_lookup_by_name') self.mox.StubOutWithMock(self.conn, '_volume_api') self.mox.StubOutWithMock(self.conn, '_volume_snapshot_create') self.conn._lookup_by_name('instance-1').AndReturn(domain) self.conn._volume_snapshot_create(self.c, instance, domain, self.volume_uuid, self.create_info['snapshot_id'], self.create_info['new_file']).\ AndRaise(exception.NovaException('oops')) self.conn._volume_api.update_snapshot_status( self.c, self.create_info['snapshot_id'], 'error') self.mox.ReplayAll() self.assertRaises(exception.NovaException, self.conn.volume_snapshot_create, self.c, instance, self.volume_uuid, self.create_info) def test_volume_snapshot_delete_1(self): """Deleting newest snapshot -- blockRebase.""" instance = db.instance_create(self.c, self.inst) snapshot_id = 'snapshot-1234' domain = FakeVirtDomain(fake_xml=self.dom_xml) self.mox.StubOutWithMock(domain, 'XMLDesc') domain.XMLDesc(0).AndReturn(self.dom_xml) self.mox.StubOutWithMock(self.conn, '_lookup_by_name') self.mox.StubOutWithMock(self.conn, 'has_min_version') self.mox.StubOutWithMock(domain, 'blockRebase') self.mox.StubOutWithMock(domain, 'blockCommit') self.mox.StubOutWithMock(domain, 'blockJobInfo') self.conn._lookup_by_name('instance-%s' % instance['id']).\ AndReturn(domain) self.conn.has_min_version(mox.IgnoreArg()).AndReturn(True) domain.blockRebase('vda', 'snap.img', 0, 0) domain.blockJobInfo('vda', 0).AndReturn({'cur': 1, 'end': 1000}) domain.blockJobInfo('vda', 0).AndReturn({'cur': 1000, 'end': 1000}) self.mox.ReplayAll() self.conn._volume_snapshot_delete(self.c, instance, self.volume_uuid, snapshot_id, self.delete_info_1) self.mox.VerifyAll() def test_volume_snapshot_delete_2(self): """Deleting older snapshot -- blockCommit.""" instance = db.instance_create(self.c, self.inst) snapshot_id = 'snapshot-1234' domain = FakeVirtDomain(fake_xml=self.dom_xml) self.mox.StubOutWithMock(domain, 'XMLDesc') domain.XMLDesc(0).AndReturn(self.dom_xml) self.mox.StubOutWithMock(self.conn, '_lookup_by_name') self.mox.StubOutWithMock(self.conn, 'has_min_version') self.mox.StubOutWithMock(domain, 'blockRebase') self.mox.StubOutWithMock(domain, 'blockCommit') self.mox.StubOutWithMock(domain, 'blockJobInfo') self.conn._lookup_by_name('instance-%s' % instance['id']).\ AndReturn(domain) self.conn.has_min_version(mox.IgnoreArg()).AndReturn(True) domain.blockCommit('vda', 'other-snap.img', 'snap.img', 0, 0) domain.blockJobInfo('vda', 0).AndReturn({'cur': 1, 'end': 1000}) domain.blockJobInfo('vda', 0).AndReturn({}) self.mox.ReplayAll() self.conn._volume_snapshot_delete(self.c, instance, self.volume_uuid, snapshot_id, self.delete_info_2) self.mox.VerifyAll() def test_volume_snapshot_delete_outer_success(self): instance = db.instance_create(self.c, self.inst) snapshot_id = 'snapshot-1234' domain = FakeVirtDomain(fake_xml=self.dom_xml) self.mox.StubOutWithMock(self.conn, '_lookup_by_name') self.mox.StubOutWithMock(self.conn, '_volume_api') self.mox.StubOutWithMock(self.conn, '_volume_snapshot_delete') self.conn._volume_snapshot_delete(self.c, instance, self.volume_uuid, snapshot_id, delete_info=self.delete_info_1) self.conn._volume_api.update_snapshot_status( self.c, snapshot_id, 'deleting') self.mox.ReplayAll() self.conn.volume_snapshot_delete(self.c, instance, self.volume_uuid, snapshot_id, self.delete_info_1) self.mox.VerifyAll() def test_volume_snapshot_delete_outer_failure(self): instance = db.instance_create(self.c, self.inst) snapshot_id = '1234-9876' domain = FakeVirtDomain(fake_xml=self.dom_xml) self.mox.StubOutWithMock(self.conn, '_lookup_by_name') self.mox.StubOutWithMock(self.conn, '_volume_api') self.mox.StubOutWithMock(self.conn, '_volume_snapshot_delete') self.conn._volume_snapshot_delete(self.c, instance, self.volume_uuid, snapshot_id, delete_info=self.delete_info_1).\ AndRaise(exception.NovaException('oops')) self.conn._volume_api.update_snapshot_status( self.c, snapshot_id, 'error_deleting') self.mox.ReplayAll() self.assertRaises(exception.NovaException, self.conn.volume_snapshot_delete, self.c, instance, self.volume_uuid, snapshot_id, self.delete_info_1) self.mox.VerifyAll() def test_volume_snapshot_delete_invalid_type(self): instance = db.instance_create(self.c, self.inst) domain = FakeVirtDomain(fake_xml=self.dom_xml) self.mox.StubOutWithMock(self.conn, '_lookup_by_name') self.mox.StubOutWithMock(self.conn, '_volume_api') self.mox.StubOutWithMock(self.conn, 'has_min_version') self.conn.has_min_version(mox.IgnoreArg()).AndReturn(True) self.conn._volume_api.update_snapshot_status( self.c, self.snapshot_id, 'error_deleting') self.mox.ReplayAll() self.assertRaises(exception.NovaException, self.conn.volume_snapshot_delete, self.c, instance, self.volume_uuid, self.snapshot_id, self.delete_info_invalid_type)