virt-manager/virtinst/interface.py

65 lines
1.6 KiB
Python

#
# Copyright 2009, 2013 Red Hat, Inc.
#
# This work is licensed under the GNU GPLv2 or later.
# See the COPYING file in the top-level directory.
"""
Classes for building and installing libvirt interface xml
"""
from .xmlbuilder import XMLBuilder, XMLChildProperty, XMLProperty
class _BondConfig(XMLBuilder):
XML_NAME = "bond"
class _BridgeConfig(XMLBuilder):
XML_NAME = "bridge"
class _VLANConfig(XMLBuilder):
XML_NAME = "vlan"
class Interface(XMLBuilder):
"""
Base class for parsing any libvirt virInterface object XML
"""
XML_NAME = "interface"
_XML_PROP_ORDER = ["type", "name", "_bond", "_bridge", "_vlan"]
######################
# Interface handling #
######################
# The recursive nature of nested interfaces complicates things here,
# which is why this is strange. See bottom of the file for more
# weirdness
_bond = XMLChildProperty(_BondConfig, is_single=True)
_bridge = XMLChildProperty(_BridgeConfig, is_single=True)
_vlan = XMLChildProperty(_VLANConfig, is_single=True)
@property
def interfaces(self):
if self.type != "ethernet":
return getattr(self, "_" + self.type).interfaces
return []
##################
# General params #
##################
type = XMLProperty("./@type")
name = XMLProperty("./@name")
# Interface can recursively have child interfaces which we can't define
# inline in the class config, hence this hackery
_BondConfig.interfaces = XMLChildProperty(Interface)
_BridgeConfig.interfaces = XMLChildProperty(Interface)
_VLANConfig.interfaces = XMLChildProperty(Interface)