def add_interface(self, type, id, mac=None, model_type='virtio'):
'''
:param type:' bridge' OR 'network' .
If bridge inserts xml code for bridge,
If network insert xml code for virtual network
:return:
'''
if mac is None:
mac = randomMAC()
if type == 'bridge':
interface_etree = etree.parse(StringIO(XML_SNIPPET_BRIDGE))
interface_etree.xpath('/interface')[0].xpath('source')[0].set('bridge', id)
elif type == 'network':
interface_etree = etree.parse(StringIO(XML_SNIPPET_NETWORK))
interface_etree.xpath('/interface')[0].xpath('source')[0].set('network', id)
else:
log.error('type of interface incorrect when adding interface in xml')
return -1
interface_etree.xpath('/interface')[0].xpath('mac')[0].set('address', mac)
interface_etree.xpath('/interface')[0].xpath('model')[0].set('type', model_type)
new_interface = interface_etree.xpath('/interface')[0]
xpath_same = '/domain/devices/interface'
xpath_next = '/domain/devices/input'
xpath_previous = '/domain/devices/controller'
self.add_device(xpath_same, new_interface, xpath_next=xpath_next, xpath_previous=xpath_previous)
def add_interface(self, type, id, mac=None, model_type='virtio'):
'''
:param type:' bridge' OR 'network' .
If bridge inserts xml code for bridge,
If network insert xml code for virtual network
:return:
'''
if mac is None:
mac = randomMAC()
if type == 'bridge':
interface_etree = etree.parse(StringIO(XML_SNIPPET_BRIDGE))
interface_etree.xpath('/interface')[0].xpath('source')[0].set('bridge', id)
elif type == 'network':
interface_etree = etree.parse(StringIO(XML_SNIPPET_NETWORK))
interface_etree.xpath('/interface')[0].xpath('source')[0].set('network', id)
else:
log.error('type of interface incorrect when adding interface in xml')
return -1
interface_etree.xpath('/interface')[0].xpath('mac')[0].set('address', mac)
interface_etree.xpath('/interface')[0].xpath('model')[0].set('type', model_type)
new_interface = interface_etree.xpath('/interface')[0]
xpath_same = '/domain/devices/interface'
xpath_next = '/domain/devices/input'
xpath_previous = '/domain/devices/controller'
self.add_device(xpath_same, new_interface, xpath_next=xpath_next, xpath_previous=xpath_previous)
def reset_mac_address(self, dev_index=0, mac=None):
'''delete the mac address from xml. In the next boot libvirt create a random mac
If you want to fix mac address mac parameter is optional.
If there are more than one network device, the dev_index indicates the network device position
in the xml definition. dev_index = 0 is the first network interface defined in xml.'''
if mac is None:
mac = randomMAC()
self.tree.xpath('/domain/devices/interface')[dev_index].xpath('mac')[dev_index].set('address', mac)
def reset_mac_address(self, dev_index=0, mac=None):
'''delete the mac address from xml. In the next boot libvirt create a random mac
If you want to fix mac address mac parameter is optional.
If there are more than one network device, the dev_index indicates the network device position
in the xml definition. dev_index = 0 is the first network interface defined in xml.'''
if mac is None:
mac = randomMAC()
self.tree.xpath('/domain/devices/interface')[dev_index].xpath('mac')[dev_index].set('address', mac)
def new_random_mac(self):
new_mac = randomMAC()
self.reset_mac_address(mac=new_mac)
return new_mac
def new_random_mac(self):
new_mac = randomMAC()
self.reset_mac_address(mac=new_mac)
return new_mac