virt-manager/virtinst/VirtualMemballoon.py

59 lines
2.0 KiB
Python

#
# Copyright 2012
# Eiichi Tsukata <devel@etsukata.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
# MA 02110-1301 USA.
from virtinst.VirtualDevice import VirtualDevice
from virtinst.XMLBuilderDomain import _xml_property
class VirtualMemballoon(VirtualDevice):
_virtual_device_type = VirtualDevice.VIRTUAL_DEV_MEMBALLOON
MODEL_DEFAULT = "virtio"
MODELS = ["xen", "none", MODEL_DEFAULT]
def __init__(self, conn=None, model=MODEL_DEFAULT,
parsexml=None, parsexmlnode=None, caps=None):
VirtualDevice.__init__(self, conn, parsexml,
parsexmlnode, caps)
self._model = None
if self._is_parse():
return
self.model = model
def get_model(self):
return self._model
def set_model(self, new_model):
if type(new_model) != str:
raise ValueError(_("'model' must be a string, "
" was '%s'." % type(new_model)))
if not self.MODELS.count(new_model):
raise ValueError(_("Unsupported memballoon model '%s'" % new_model))
self._model = new_model
model = _xml_property(get_model, set_model,
xpath="./@model")
def _get_xml_config(self):
xml = " <memballoon model='%s'" % self.model
xml += "/>"
return xml