def create_interface():
"""
Call different function to create interface according to the type
"""
new_iface = Interface('network')
if vf_type == "vf":
new_iface = create_hostdev_interface(vf_addr, managed, model)
if vf_type == "vf_pool":
netxml = create_hostdev_network()
virsh.net_define(netxml.xml, ignore_status=True)
if not inactive_pool:
virsh.net_start(netxml.name)
new_iface = create_network_interface(netxml.name)
if vf_type == "macvtap":
new_iface = Interface('direct')
new_iface.source = {"dev": vf_name, "mode": "passthrough"}
new_iface.mac_address = utils_net.generate_mac_address_simple()
new_iface.model = "virtio"
if vlan_id:
new_iface.vlan = new_iface.new_vlan(**vlan_id)
if vf_type == "macvtap_network":
netxml = create_macvtap_network()
result = virsh.net_define(netxml.xml, ignore_status=True)
virsh.net_start(netxml.name)
new_iface = create_network_interface(netxml.name)
return new_iface
def create_iface_xml(iface_mac):
"""
Create interface xml file
"""
iface = Interface(type_name=iface_type)
source = ast.literal_eval(iface_source)
if source:
iface.source = source
iface.model = iface_model if iface_model else "virtio"
iface.mac_address = iface_mac
driver_dict = {}
driver_host = {}
driver_guest = {}
if iface_driver:
driver_dict = ast.literal_eval(iface_driver)
if iface_driver_host:
driver_host = ast.literal_eval(iface_driver_host)
if iface_driver_guest:
driver_guest = ast.literal_eval(iface_driver_guest)
iface.driver = iface.new_driver(driver_attr=driver_dict,
driver_host=driver_host,
driver_guest=driver_guest)
if test_target:
iface.target = {"dev": target_dev}
logging.debug("Create new interface xml: %s", iface)
return iface
def create_iface(iface_model, iface_source, **kwargs):
"""
Create an interface to be attached to vm
:param iface_model: model of the interface device
:param iface_source: source of the interface device
:param kwargs: other k-w args that needed to create device
:return: the newly created interface object
"""
iface = Interface('network')
iface.model = iface_model
iface.source = eval(iface_source)
if 'mac' in kwargs:
iface.mac_address = kwargs['mac']
else:
mac = utils_net.generate_mac_address_simple()
iface.mac_address = mac
if 'address' in kwargs:
iface.address = iface.new_iface_address(
attrs=eval(kwargs['address']))
logging.debug('iface: %s', iface)
return iface
def create_network_interface(name):
"""
Create network type interface xml.
"""
new_iface = Interface('network')
new_iface.source = {'network': name}
new_iface.model = "virtio"
new_iface.mac_address = utils_net.generate_mac_address_simple()
return new_iface
def create_network_interface(name):
"""
Create network type interface xml.
"""
new_iface = Interface('network')
new_iface.source = {'network': name}
new_iface.model = "virtio"
new_iface.mac_address = utils_net.generate_mac_address_simple()
return new_iface
def create_iface_xml():
"""
Create interface xml file
"""
iface = Interface("bridge")
iface.source = eval("{'bridge':'virbr0'}")
iface.model = "virtio"
logging.debug("Create new interface xml: %s", iface)
return iface
def create_iface_xml(mac):
"""
Create interface xml file
"""
iface = Interface(type_name=iface_type)
iface.source = iface_source
iface.model = iface_model if iface_model else "virtio"
if iface_target:
iface.target = {'dev': iface_target}
iface.mac_address = mac
logging.debug("Create new interface xml: %s", iface)
return iface
def create_iface_xml(mac):
"""
Create interface xml file
"""
iface = Interface(type_name=iface_type)
iface.source = iface_source
iface.model = iface_model if iface_model else "virtio"
if iface_target:
iface.target = {'dev': iface_target}
iface.mac_address = mac
logging.debug("Create new interface xml: %s", iface)
return iface
def create_iface_xml(mac):
"""
Create interface xml file
:param mac: The mac address of nic device
"""
iface = Interface(type_name='network')
iface.source = iface_source
iface.model = iface_model
iface.mac_address = mac
logging.debug("Create new interface xml: %s", iface)
return iface
def create_hostdev_interface(pci_id, managed, model):
"""
Create hostdev type interface xml.
"""
attrs = create_address_dict(pci_id)
new_iface = Interface('hostdev')
new_iface.managed = managed
if model != "":
new_iface.model = model
new_iface.mac_address = utils_net.generate_mac_address_simple()
new_iface.hostdev_address = new_iface.new_iface_address(
**{"attrs": attrs})
return new_iface
def create_hostdev_interface(pci_id, managed, model):
"""
Create hostdev type interface xml.
"""
attrs = create_address_dict(pci_id)
new_iface = Interface('hostdev')
new_iface.managed = managed
if model != "":
new_iface.model = model
new_iface.mac_address = utils_net.generate_mac_address_simple()
new_iface.hostdev_address = new_iface.new_iface_address(**{"attrs": attrs})
chars = string.ascii_letters + string.digits + '-_'
alias_name = 'ua-' + ''.join(random.choice(chars) for _ in list(range(64)))
new_iface.alias = {'name': alias_name}
return new_iface
def prepare_iface_xml(iface_bus, iface_slot):
"""
Create interface xml file
"""
iface_xml = Interface(type_name='bridge')
iface_xml.source = {'bridge': 'virbr0'}
iface_xml.model = "virtio"
addr_dict = {
'bus': iface_bus,
'slot': iface_slot,
'domain': '0x0000',
'function': '0x0'
}
iface_xml.address = iface_xml.new_iface_address(type_name='pci',
**{"attrs": addr_dict})
return iface_xml
def create_iface(iface_type, **kwargs):
"""
Create a interface to be attached to vm
"""
m_iface = Interface(iface_type)
m_iface.mac_address = utils_net.generate_mac_address_simple()
if 'base_if' in kwargs:
m_iface.source = {'dev': kwargs['base_if'], 'mode': 'vepa'}
if 'source_net' in kwargs:
m_iface.source = {'network': kwargs['source_net']}
if 'mtu' in kwargs:
m_iface.mtu = {'size': kwargs['mtu']}
if 'model_net' in kwargs:
m_iface.model = kwargs['model_net']
logging.debug(m_iface.get_xml())
logging.debug(m_iface)
return m_iface
def modify_iface_xml(br_name, nwfilter, vm_name):
"""
Modify interface xml with the new bridge and the nwfilter
:param br_name: bridge name
:param nwfilter: nwfilter name
:param vm_name: vm name
"""
vmxml = vm_xml.VMXML.new_from_dumpxml(vm_name)
iface_xml = vmxml.get_devices('interface')[0]
vmxml.del_device(iface_xml)
iface_xml = Interface(type_name='bridge')
iface_xml.source = {'bridge': br_name}
iface_xml.model = 'virtio'
iface_xml.filterref = iface_xml.new_filterref(name=nwfilter)
logging.debug("new interface xml is: %s" % iface_xml)
vmxml.add_device(iface_xml)
vmxml.sync()
def create_iface(iface_type, **kwargs):
"""
Create a interface to be attached to vm
"""
m_iface = Interface(iface_type)
m_iface.mac_address = utils_net.generate_mac_address_simple()
if 'base_if' in kwargs:
m_iface.source = {'dev': kwargs['base_if'],
'mode': 'vepa'}
if 'source_net' in kwargs:
m_iface.source = {'network': kwargs['source_net']}
if 'mtu' in kwargs:
m_iface.mtu = {'size': kwargs['mtu']}
if 'model_net' in kwargs:
m_iface.model = kwargs['model_net']
logging.debug(m_iface.get_xml())
logging.debug(m_iface)
return m_iface
def create_iface_xml(iface_mac):
"""
Create interface xml file
"""
iface = Interface(type_name=iface_type)
source = ast.literal_eval(iface_source)
if source:
iface.source = source
iface.model = iface_model if iface_model else "virtio"
iface.mac_address = iface_mac
driver_dict = {}
driver_host = {}
driver_guest = {}
if iface_driver:
driver_dict = ast.literal_eval(iface_driver)
if iface_driver_host:
driver_host = ast.literal_eval(iface_driver_host)
if iface_driver_guest:
driver_guest = ast.literal_eval(iface_driver_guest)
iface.driver = iface.new_driver(driver_attr=driver_dict,
driver_host=driver_host,
driver_guest=driver_guest)
logging.debug("Create new interface xml: %s", iface)
return iface
def create_interface():
"""
Call different function to create interface according to the type
"""
new_iface = Interface('network')
if vf_type == "vf":
new_iface = create_hostdev_interface(vf_addr, managed, model)
if vf_type == "vf_pool":
netxml = create_hostdev_network()
virsh.net_define(netxml.xml, ignore_status=True)
if not inactive_pool:
virsh.net_start(netxml.name)
new_iface = create_network_interface(netxml.name)
if vf_type == "macvtap":
new_iface = Interface('direct')
new_iface.source = {"dev": vf_name, "mode": "passthrough"}
new_iface.mac_address = utils_net.generate_mac_address_simple()
new_iface.model = "virtio"
if vf_type == "macvtap_network":
netxml = create_macvtap_network()
result = virsh.net_define(netxml.xml, ignore_status=True)
virsh.net_start(netxml.name)
new_iface = create_network_interface(netxml.name)
return new_iface
def create_iface(iface_model, iface_source, **kwargs):
"""
Create an interface to be attached to vm
:param iface_model: model of the interface device
:param iface_source: source of the interface device
:param kwargs: other k-w args that needed to create device
:return: the newly created interface object
"""
iface = Interface('network')
iface.model = iface_model
iface.source = eval(iface_source)
if 'mac' in kwargs:
iface.mac_address = kwargs['mac']
else:
mac = utils_net.generate_mac_address_simple()
iface.mac_address = mac
if 'address' in kwargs:
iface.address = iface.new_iface_address(attrs=eval(kwargs['address']))
logging.debug('iface: %s', iface)
return iface
def modify_iface_xml():
"""
Modify interface xml options
Two methods to modify domain interfae:
1. modify guest xml, define it
2. attach one interface for running guest
:return: 0 for successful negative case
test.fail is fail for positive/negative case
None for successful positive case
"""
if hotplug_iface:
iface = Interface(iface_type)
else:
vmxml = vm_xml.VMXML.new_from_dumpxml(vm_name)
xml_devices = vmxml.devices
iface_index = xml_devices.index(
xml_devices.by_device_tag("interface")[0])
iface = xml_devices[iface_index]
if iface_type == 'network':
iface.type_name = iface_type
source = {iface_type: net_name}
elif iface_type == 'bridge' and bridge_name:
iface.type_name = iface_type
source = {iface_type: bridge_name}
elif iface_type == 'direct':
iface.type_name = iface_type
source = {'dev': interface, 'mode': 'bridge'}
if source:
del iface.source
iface.source = source
iface_model = params.get("iface_model", "virtio")
iface.model = iface_model
iface.coalesce = {'max': coalesce_value}
if network_type == "ovsbridge" and iface_type == "bridge":
iface.virtualport_type = "openvswitch"
if not hotplug_iface:
vmxml.devices = xml_devices
vmxml.xmltreefile.write()
try:
vmxml.sync()
except xcepts.LibvirtXMLError as details:
if status_error:
# Expect error for negetive test
return 0
else:
test.fail("Define guest: FAIL")
else:
if not vm.is_alive():
vm.start()
# Wait guest boot completely
time.sleep(2)
try:
ret = virsh.attach_device(vm_name,
iface.xml,
ignore_status=False,
debug=True)
except process.CmdError as error:
if status_error:
# Expect error for negetive test
return 0
else:
test.fail("Define guest: FAIL")
def modify_iface_xml():
"""
Modify interface xml options
Two methods to modify domain interfae:
1. modify guest xml, define it
2. attach one interface for running guest
:return: 0 for successful negative case
test.fail is fail for positive/negative case
None for successful positive case
"""
if hotplug_iface:
iface = Interface(iface_type)
else:
vmxml = vm_xml.VMXML.new_from_dumpxml(vm_name)
xml_devices = vmxml.devices
iface_index = xml_devices.index(
xml_devices.by_device_tag("interface")[0])
iface = xml_devices[iface_index]
if iface_type == 'network':
iface.type_name = iface_type
source = {iface_type: net_name}
elif iface_type == 'bridge' and bridge_name:
iface.type_name = iface_type
source = {iface_type: bridge_name}
elif iface_type == 'direct':
iface.type_name = iface_type
source = {'dev': interface, 'mode': 'bridge'}
if source:
del iface.source
iface.source = source
iface_model = params.get("iface_model", "virtio")
iface.model = iface_model
iface.coalesce = {'max': coalesce_value}
if network_type == "ovsbridge" and iface_type == "bridge":
iface.virtualport_type = "openvswitch"
if not hotplug_iface:
vmxml.devices = xml_devices
vmxml.xmltreefile.write()
try:
vmxml.sync()
except xcepts.LibvirtXMLError as details:
if status_error:
# Expect error for negetive test
return 0
else:
test.fail("Define guest: FAIL")
else:
if not vm.is_alive():
vm.start()
# Wait guest boot completely
time.sleep(2)
try:
ret = virsh.attach_device(vm_name, iface.xml,
ignore_status=False,
debug=True)
except process.CmdError as error:
if status_error:
# Expect error for negetive test
return 0
else:
test.fail("Define guest: FAIL")
def run(test, params, env):
"""
Test pci/pcie-to-pci bridge
Hotplug interface to pci/pcie-to-pci bridge, then check xml and
inside vm.
Hotunplug interface, then check xml and inside vm
"""
vm_name = params.get('main_vm')
pci_model = params.get('pci_model', 'pci')
hotplug = 'yes' == params.get('hotplug', 'no')
pci_model_name = params.get('pci_model_name')
pci_br_has_device = 'yes' == params.get('pci_br_has_device', 'no')
sound_dev_model_type = params.get('sound_dev_model_type', '')
sound_dev_address = params.get('sound_dev_address', '')
iface_model = params.get('iface_model', '')
iface_source = params.get('iface_source', '')
vmxml = VMXML.new_from_inactive_dumpxml(vm_name)
bkxml = vmxml.copy()
vm = env.get_vm(vm_name)
try:
# Check if there is a pci/pcie-to-pci bridge, if so,
# just use the existing pci/pcie-to-pci-bridge to test
ori_pci_br = [
dev for dev in vmxml.get_devices('controller')
if dev.type == 'pci' and dev.model == pci_model
]
# If there is not a pci/pcie-to-pci bridge to test,
# create one and add to vm
if not ori_pci_br:
logging.info('No %s on vm, create one', pci_model)
pci_bridge = Controller('pci')
pci_bridge.model = pci_model
pci_bridge.model_name = {'name': pci_model_name}
vmxml.add_device(pci_bridge)
vmxml.sync()
logging.debug(virsh.dumpxml(vm_name))
# Check if pci/pcie-to-pci bridge is successfully added
vmxml = VMXML.new_from_inactive_dumpxml(vm_name)
cur_pci_br = [
dev for dev in vmxml.get_devices('controller')
if dev.type == 'pci' and dev.model == pci_model
]
if not cur_pci_br:
test.error('Failed to add %s controller to vm xml' % pci_model)
pci_br = cur_pci_br[0]
logging.debug(pci_br)
pci_br_index = pci_br.index
# If test scenario requires another pci device on pci/pcie-to-pci
# bridge before hotplug, add a sound device and make sure
# the 'bus' is same with pci bridge index
if pci_br_has_device:
sound_dev = Sound()
sound_dev.model_type = sound_dev_model_type
sound_dev.address = eval(sound_dev_address % pci_br_index)
logging.debug(sound_dev.address)
vmxml.add_device(sound_dev)
vmxml.sync()
# Test hotplug scenario
if hotplug:
vm.start()
vm.wait_for_login().close()
# Create interface to be hotplugged
logging.info('Create interface to be hotplugged')
iface = Interface('network')
iface.model = iface_model
iface.source = eval(iface_source)
mac = utils_net.generate_mac_address_simple()
iface.mac_address = mac
logging.debug(iface)
result = virsh.attach_device(vm_name, iface.xml, debug=True)
libvirt.check_exit_status(result)
xml_after_attach = VMXML.new_from_dumpxml(vm_name)
logging.debug(virsh.dumpxml(vm_name))
# Check if the iface with given mac address is successfully attached
iface_list = [
iface for iface in xml_after_attach.get_devices('interface')
if iface.mac_address == mac
]
logging.debug('iface list after attach: %s', iface_list)
if not iface_list:
test.error('Failed to attach interface %s' % iface)
# Check inside vm
def check_inside_vm(session, expect=True):
ip_output = session.cmd('ip a')
logging.debug(ip_output)
return expect if mac in ip_output else not expect
session = vm.wait_for_serial_login()
if not utils_misc.wait_for(lambda: check_inside_vm(session, True),
timeout=60,
step=5):
test.fail('Check interface inside vm failed,'
'interface not successfully attached:'
'not found mac address %s' % mac)
session.close()
# Test hotunplug
result = virsh.detach_device(vm_name, iface.xml, debug=True)
libvirt.check_exit_status(result)
logging.debug(virsh.dumpxml(vm_name))
# Check if the iface with given mac address has been
# successfully detached
xml_after_detach = VMXML.new_from_dumpxml(vm_name)
iface_list_after_detach = [
iface for iface in xml_after_detach.get_devices('interface')
if iface.mac_address == mac
]
logging.debug('iface list after detach: %s',
iface_list_after_detach)
if iface_list_after_detach:
test.fail('Failed to detach device: %s', iface)
# Check again inside vm
session = vm.wait_for_serial_login()
if not utils_misc.wait_for(lambda: check_inside_vm(session, False),
timeout=60,
step=5):
test.fail('Check interface inside vm failed,'
'interface not successfully detached:'
'found mac address %s' % mac)
session.close()
finally:
bkxml.sync()
