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test_libvirt.py
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test_libvirt.py
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# 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 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 unit
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": """
<device>
<name>pci_0000_04_00_3</name>
<parent>pci_0000_00_01_1</parent>
<driver>
<name>igb</name>
</driver>
<capability type='pci'>
<domain>0</domain>
<bus>4</bus>
<slot>0</slot>
<function>3</function>
<product id='0x1521'>I350 Gigabit Network Connection</product>
<vendor id='0x8086'>Intel Corporation</vendor>
<capability type='virt_functions'>
<address domain='0x0000' bus='0x04' slot='0x10' function='0x3'/>
<address domain='0x0000' bus='0x04' slot='0x10' function='0x7'/>
<address domain='0x0000' bus='0x04' slot='0x11' function='0x3'/>
<address domain='0x0000' bus='0x04' slot='0x11' function='0x7'/>
</capability>
</capability>
</device>""",
"pci_0000_04_10_7": """
<device>
<name>pci_0000_04_10_7</name>
<parent>pci_0000_00_01_1</parent>
<driver>
<name>igbvf</name>
</driver>
<capability type='pci'>
<domain>0</domain>
<bus>4</bus>
<slot>16</slot>
<function>7</function>
<product id='0x1520'>I350 Ethernet Controller Virtual Function</product>
<vendor id='0x8086'>Intel Corporation</vendor>
<capability type='phys_function'>
<address domain='0x0000' bus='0x04' slot='0x00' function='0x3'/>
</capability>
<capability type='virt_functions'>
</capability>
</capability>
</device>"""}
def _concurrency(signal, wait, done, target, is_block_dev=False):
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 = """
<domain type='kvm'>
<devices>
<disk type='file'>
<source file='filename'/>
</disk>
</devices>
</domain>
"""
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()
eventlet.sleep(0)
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 ""
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))
self.stubs.Set(libvirt_driver.LibvirtDriver,
'set_host_enabled', mock.Mock())
def fake_extend(image, size, use_cow=False):
pass
self.stubs.Set(libvirt_driver.disk, 'extend', fake_extend)
class FakeConn():
def baselineCPU(self, cpu, flag):
"""Add new libvirt API."""
return """<cpu mode='custom' match='exact'>
<model fallback='allow'>Westmere</model>
<vendor>Intel</vendor>
<feature policy='require' name='aes'/>
</cpu>"""
def getCapabilities(self):
"""Ensure standard capabilities being returned."""
return """<capabilities>
<host><cpu><arch>x86_64</arch></cpu></host>
</capabilities>"""
def getVersion(self):
return 1005001
def getLibVersion(self):
return (0 * 1000 * 1000) + (9 * 1000) + 11
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 =\
"""<domain> <devices>
<hostdev mode="subsystem" type="pci" managed="yes">
<source>
<address function="0x1" slot="0x10" domain="0x0000" bus="0x04"/>
</source>
</hostdev></devices></domain>"""
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 =\
"""<domain>
<devices>
<hostdev mode="subsystem" type="pci" managed="yes">
<source>
<address function="0x1" slot="0x10" domain="0x0000" bus="0x04"/>
</source>
</hostdev>
</devices>
</domain>"""
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):
def get_lib_version_stub():
return (1 * 1000 * 1000) + (0 * 1000) + 1
self.close_callback = None
def set_close_callback(cb, opaque):
self.close_callback = cb
conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), True)
self.stubs.Set(self.conn, "getLibVersion", get_lib_version_stub)
self.mox.StubOutWithMock(conn, '_connect')
self.mox.StubOutWithMock(self.conn, 'registerCloseCallback')
self.mox.StubOutWithMock(conn, 'set_host_enabled')
conn._connect(mox.IgnoreArg(), mox.IgnoreArg()).AndReturn(self.conn)
self.conn.registerCloseCallback(
mox.IgnoreArg(), mox.IgnoreArg()).WithSideEffects(
set_close_callback)
conn.set_host_enabled('fake-mini', True)
conn.set_host_enabled('fake-mini', 'Connection to libvirt lost: 1')
conn._connect(mox.IgnoreArg(), mox.IgnoreArg()).AndReturn(self.conn)
conn.set_host_enabled('fake-mini', True)
self.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_connection()
self.assertTrue(self.close_callback)
self.close_callback(self.conn, 1, None)
conn._get_connection()
self.mox.UnsetStubs()
def test_cpu_features_bug_1217630(self):
conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), True)
instance_ref = db.instance_create(self.context, self.test_instance)
# Test old version of libvirt, it shouldn't see the `aes' feature
caps = conn.get_host_capabilities()
self.assertNotIn('aes', [x.name for x in caps.host.cpu.features])
# Test new verion of libvirt, should find the `aes' feature
setattr(libvirt, 'VIR_CONNECT_BASELINE_CPU_EXPAND_FEATURES', 1)
conn = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), True)
caps = conn.get_host_capabilities()
delattr(libvirt, 'VIR_CONNECT_BASELINE_CPU_EXPAND_FEATURES')
self.assertIn('aes', [x.name for x in caps.host.cpu.features])
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.assertEqual(cfg.acpi, True)
self.assertEqual(cfg.apic, True)
self.assertEqual(cfg.memory, 2 * unit.Mi)
self.assertEqual(cfg.vcpus, 1)
self.assertEqual(cfg.os_type, vm_mode.HVM)
self.assertEqual(cfg.os_boot_dev, ["hd"])
self.assertEqual(cfg.os_root, None)
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.LibvirtConfigGuestInterface)
self.assertEqual(type(cfg.devices[3]),
vconfig.LibvirtConfigGuestSerial)
self.assertEqual(type(cfg.devices[4]),
vconfig.LibvirtConfigGuestSerial)
self.assertEqual(type(cfg.devices[5]),
vconfig.LibvirtConfigGuestInput)
self.assertEqual(type(cfg.devices[6]),
vconfig.LibvirtConfigGuestGraphics)
self.assertEqual(type(cfg.clock),
vconfig.LibvirtConfigGuestClock)
self.assertEqual(cfg.clock.offset, "utc")
self.assertEqual(len(cfg.clock.timers), 2)
self.assertEqual(type(cfg.clock.timers[0]),
vconfig.LibvirtConfigGuestTimer)
self.assertEqual(type(cfg.clock.timers[1]),
vconfig.LibvirtConfigGuestTimer)
self.assertEqual(cfg.clock.timers[0].name, "pit")
self.assertEqual(cfg.clock.timers[0].tickpolicy,
"delay")
self.assertEqual(cfg.clock.timers[1].name, "rtc")
self.assertEqual(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.assertEqual(type(cfg.clock),
vconfig.LibvirtConfigGuestClock)
self.assertEqual(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.assertEqual(cfg.acpi, True)
self.assertEqual(cfg.memory, 2 * unit.Mi)
self.assertEqual(cfg.vcpus, 1)
self.assertEqual(cfg.os_type, vm_mode.HVM)
self.assertEqual(cfg.os_boot_dev, ["hd"])
self.assertEqual(cfg.os_root, None)
self.assertEqual(len(cfg.devices), 8)
self.assertEqual(type(cfg.devices[0]),
vconfig.LibvirtConfigGuestDisk)
self.assertEqual(type(cfg.devices[1]),
vconfig.LibvirtConfigGuestDisk)
self.assertEqual(type(cfg.devices[2]),
vconfig.LibvirtConfigGuestInterface)
self.assertEqual(type(cfg.devices[3]),
vconfig.LibvirtConfigGuestInterface)
self.assertEqual(type(cfg.devices[4]),
vconfig.LibvirtConfigGuestSerial)
self.assertEqual(type(cfg.devices[5]),
vconfig.LibvirtConfigGuestSerial)
self.assertEqual(type(cfg.devices[6]),
vconfig.LibvirtConfigGuestInput)
self.assertEqual(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.assertEqual(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.assertEqual(cfg.acpi, False)
self.assertEqual(cfg.memory, 2 * unit.Mi)
self.assertEqual(cfg.vcpus, 1)
self.assertEqual(cfg.os_type, "uml")
self.assertEqual(cfg.os_boot_dev, [])
self.assertEqual(cfg.os_root, '/dev/vdb')
self.assertEqual(len(cfg.devices), 3)
self.assertEqual(type(cfg.devices[0]),
vconfig.LibvirtConfigGuestDisk)
self.assertEqual(type(cfg.devices[1]),
vconfig.LibvirtConfigGuestDisk)
self.assertEqual(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': [
{'connection_info': conn_info, 'mount_device': '/dev/vdc'},
{'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.assertEqual(type(cfg.devices[2]),
vconfig.LibvirtConfigGuestDisk)
self.assertEqual(cfg.devices[2].target_dev, 'vdc')
self.assertEqual(type(cfg.devices[3]),
vconfig.LibvirtConfigGuestDisk)
self.assertEqual(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.assertEqual(type(cfg.devices[2]),
vconfig.LibvirtConfigGuestDisk)
self.assertEqual(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.assertEqual(len(cfg.devices), 5)
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.LibvirtConfigGuestGraphics)
self.assertEqual(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.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 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.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, "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.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.LibvirtConfigGuestChannel)
self.assertEqual(type(cfg.devices[5]),
vconfig.LibvirtConfigGuestGraphics)