def _test_update_vif_xml(self, conf, original_xml, expected_xml):
"""Simulates updating the guest xml for live migrating from a host
using OVS to a host using vhostuser as the networking backend.
"""
vif_ovs = network_model.VIF(id=uuids.vif,
address='DE:AD:BE:EF:CA:FE',
details={'port_filter': False},
devname='tap-xxx-yyy-zzz',
ovs_interfaceid=uuids.ovs)
source_vif = vif_ovs
migrate_vifs = [
objects.VIFMigrateData(
port_id=uuids.port_id,
vnic_type=network_model.VNIC_TYPE_NORMAL,
vif_type=network_model.VIF_TYPE_VHOSTUSER,
vif_details={'vhostuser_socket': '/vhost-user/test.sock'},
profile={},
host='dest.host',
source_vif=source_vif)
]
data = objects.LibvirtLiveMigrateData(vifs=migrate_vifs)
get_vif_config = mock.MagicMock(return_value=conf)
doc = etree.fromstring(original_xml)
updated_xml = etree.tostring(migration._update_vif_xml(
doc, data, get_vif_config),
encoding='unicode')
self.assertThat(updated_xml, matchers.XMLMatches(expected_xml))
def _test_update_vif_xml(self, conf, original_xml, expected_xml):
"""Simulates updating the guest xml for live migrating from a host
using OVS to a host using vhostuser as the networking backend.
"""
vif_ovs = network_model.VIF(id=uuids.vif,
address='DE:AD:BE:EF:CA:FE',
details={'port_filter': False},
devname='tap-xxx-yyy-zzz',
ovs_interfaceid=uuids.ovs)
source_vif = vif_ovs
migrate_vifs = [
objects.VIFMigrateData(
port_id=uuids.port_id,
vnic_type=network_model.VNIC_TYPE_NORMAL,
vif_type=network_model.VIF_TYPE_VHOSTUSER,
vif_details={
'vhostuser_socket': '/vhost-user/test.sock'
},
profile={},
host='dest.host',
source_vif=source_vif)
]
data = objects.LibvirtLiveMigrateData(vifs=migrate_vifs)
get_vif_config = mock.MagicMock(return_value=conf)
doc = etree.fromstring(original_xml)
updated_xml = etree.tostring(
migration._update_vif_xml(doc, data, get_vif_config),
encoding='unicode')
self.assertXmlEqual(updated_xml, expected_xml)
def test_update_vif_xml(self):
"""Simulates updating the guest xml for live migrating from a host
using OVS to a host using vhostuser as the networking backend.
"""
vif_ovs = network_model.VIF(id=uuids.vif,
address='DE:AD:BE:EF:CA:FE',
details={'port_filter': False},
devname='tap-xxx-yyy-zzz',
ovs_interfaceid=uuids.ovs)
source_vif = vif_ovs
migrate_vifs = [
objects.VIFMigrateData(
port_id=uuids.port_id,
vnic_type=network_model.VNIC_TYPE_NORMAL,
vif_type=network_model.VIF_TYPE_VHOSTUSER,
vif_details={'vhostuser_socket': '/vhost-user/test.sock'},
profile={},
host='dest.host',
source_vif=source_vif)
]
data = objects.LibvirtLiveMigrateData(vifs=migrate_vifs)
original_xml = """<domain>
<uuid>3de6550a-8596-4937-8046-9d862036bca5</uuid>
<devices>
<interface type="bridge">
<mac address="DE:AD:BE:EF:CA:FE"/>
<model type="virtio"/>
<source bridge="qbra188171c-ea"/>
<target dev="tapa188171c-ea"/>
<virtualport type="openvswitch">
<parameters interfaceid="%s"/>
</virtualport>
<address type='pci' domain='0x0000' bus='0x00' slot='0x04'
function='0x0'/>
</interface>
</devices>
</domain>""" % uuids.ovs
conf = vconfig.LibvirtConfigGuestInterface()
conf.net_type = "vhostuser"
conf.vhostuser_type = "unix"
conf.vhostuser_mode = "server"
conf.mac_addr = "DE:AD:BE:EF:CA:FE"
conf.vhostuser_path = "/vhost-user/test.sock"
conf.model = "virtio"
get_vif_config = mock.MagicMock(return_value=conf)
doc = etree.fromstring(original_xml)
updated_xml = etree.tostring(migration._update_vif_xml(
doc, data, get_vif_config),
encoding='unicode')
# Note that <target> and <virtualport> are dropped from the ovs source
# interface xml since they aren't applicable to the vhostuser
# destination interface xml. The type attribute value changes and the
# hardware address element is retained.
expected_xml = """<domain>
<uuid>3de6550a-8596-4937-8046-9d862036bca5</uuid>
<devices>
<interface type="vhostuser">
<mac address="DE:AD:BE:EF:CA:FE"/>
<model type="virtio"/>
<source mode="server" path="/vhost-user/test.sock" type="unix"/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x04'
function='0x0'/>
</interface>
</devices>
</domain>"""
self.assertThat(updated_xml, matchers.XMLMatches(expected_xml))
def test_update_vif_xml(self):
"""Simulates updating the guest xml for live migrating from a host
using OVS to a host using vhostuser as the networking backend.
"""
vif_ovs = network_model.VIF(id=uuids.vif,
address='DE:AD:BE:EF:CA:FE',
details={'port_filter': False},
devname='tap-xxx-yyy-zzz',
ovs_interfaceid=uuids.ovs)
source_vif = vif_ovs
migrate_vifs = [
objects.VIFMigrateData(
port_id=uuids.port_id,
vnic_type=network_model.VNIC_TYPE_NORMAL,
vif_type=network_model.VIF_TYPE_VHOSTUSER,
vif_details={
'vhostuser_socket': '/vhost-user/test.sock'
},
profile={},
host='dest.host',
source_vif=source_vif)
]
data = objects.LibvirtLiveMigrateData(vifs=migrate_vifs)
original_xml = """<domain>
<uuid>3de6550a-8596-4937-8046-9d862036bca5</uuid>
<devices>
<interface type="bridge">
<mac address="DE:AD:BE:EF:CA:FE"/>
<model type="virtio"/>
<source bridge="qbra188171c-ea"/>
<target dev="tapa188171c-ea"/>
<virtualport type="openvswitch">
<parameters interfaceid="%s"/>
</virtualport>
<address type='pci' domain='0x0000' bus='0x00' slot='0x04'
function='0x0'/>
</interface>
</devices>
</domain>""" % uuids.ovs
conf = vconfig.LibvirtConfigGuestInterface()
conf.net_type = "vhostuser"
conf.vhostuser_type = "unix"
conf.vhostuser_mode = "server"
conf.mac_addr = "DE:AD:BE:EF:CA:FE"
conf.vhostuser_path = "/vhost-user/test.sock"
conf.model = "virtio"
get_vif_config = mock.MagicMock(return_value=conf)
doc = etree.fromstring(original_xml)
updated_xml = etree.tostring(
migration._update_vif_xml(doc, data, get_vif_config),
encoding='unicode')
# Note that <target> and <virtualport> are dropped from the ovs source
# interface xml since they aren't applicable to the vhostuser
# destination interface xml. The type attribute value changes and the
# hardware address element is retained.
expected_xml = """<domain>
<uuid>3de6550a-8596-4937-8046-9d862036bca5</uuid>
<devices>
<interface type="vhostuser">
<mac address="DE:AD:BE:EF:CA:FE"/>
<model type="virtio"/>
<source mode="server" path="/vhost-user/test.sock" type="unix"/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x04'
function='0x0'/>
</interface>
</devices>
</domain>"""
self.assertThat(updated_xml, matchers.XMLMatches(expected_xml))