def gen_iface(self, node_id: int, name: str = None, mac: str = None):
"""
Creates interface data for linking nodes, using the nodes unique id for
generation, along with a random mac address, unless provided.
:param node_id: node id to create an interface for
:param name: name to set for interface, default is eth{id}
:param mac: mac address to use for this interface, default is random
generation
:return: new interface data for the provided node
"""
# generate ip4 data
ip4 = None
ip4_mask = None
if self.ip4:
ip4 = self.ip4_address(node_id)
ip4_mask = self.ip4.prefixlen
# generate ip6 data
ip6 = None
ip6_mask = None
if self.ip6:
ip6 = self.ip6_address(node_id)
ip6_mask = self.ip6.prefixlen
# random mac
if not mac:
mac = utils.random_mac()
return InterfaceData(
name=name, ip4=ip4, ip4_mask=ip4_mask, ip6=ip6, ip6_mask=ip6_mask, mac=mac
)
def create_interface(self,
node: CoreNode,
name: str = None,
mac: str = None) -> InterfaceData:
"""
Creates interface data for linking nodes, using the nodes unique id for
generation, along with a random mac address, unless provided.
:param node: node to create interface for
:param name: name to set for interface, default is eth{id}
:param mac: mac address to use for this interface, default is random
generation
:return: new interface data for the provided node
"""
# interface id
inteface_id = node.newifindex()
# generate ip4 data
ip4 = None
ip4_mask = None
if self.ip4:
ip4 = self.ip4_address(node)
ip4_mask = self.ip4.prefixlen
# generate ip6 data
ip6 = None
ip6_mask = None
if self.ip6:
ip6 = self.ip6_address(node)
ip6_mask = self.ip6.prefixlen
# random mac
if not mac:
mac = utils.random_mac()
return InterfaceData(
_id=inteface_id,
name=name,
ip4=ip4,
ip4_mask=ip4_mask,
ip6=ip6,
ip6_mask=ip6_mask,
mac=mac,
)
def test_random_mac(self):
value = utils.random_mac()
assert netaddr.EUI(value) is not None