mirror of
https://github.com/virt-manager/virt-manager.git
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250 lines
7.1 KiB
Python
250 lines
7.1 KiB
Python
#
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# Copyright (C) 2009 Red Hat, Inc.
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# Copyright (C) 2009 Cole Robinson <crobinso@redhat.com>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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# MA 02110-1301 USA.
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#
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from virtinst import Interface
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from virtinst import util
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from virtManager.libvirtobject import vmmLibvirtObject
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class vmmInterface(vmmLibvirtObject):
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def __init__(self, conn, backend, key):
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vmmLibvirtObject.__init__(self, conn, backend, key)
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self._name = key
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self._active = True
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self._xml = None
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self._xml_flags = None
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(self._inactive_xml_flags,
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self._active_xml_flags) = self.conn.get_interface_flags(
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self._backend)
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self._support_isactive = None
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self.tick()
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self.refresh_xml()
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# Routines from vmmLibvirtObject
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def _XMLDesc(self, flags):
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return self._backend.XMLDesc(flags)
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def _define(self, xml):
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return self.conn.define_interface(xml)
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def xpath(self, *args, **kwargs):
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# Must use this function for ALL XML parsing
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ret = util.xpath(self.get_xml(), *args, **kwargs)
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if ret:
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return ret
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if not self.is_active():
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return ret
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# The running config did not have the info requested
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return util.xpath(self.get_xml(inactive=True), *args, **kwargs)
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def set_active(self, state):
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if state == self._active:
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return
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self.idle_emit(state and "started" or "stopped")
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self._active = state
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self.refresh_xml()
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def _backend_get_active(self):
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ret = True
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if self._support_isactive is None:
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self._support_isactive = self.conn.check_interface_support(
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self._backend,
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self.conn.SUPPORT_INTERFACE_ISACTIVE)
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if not self._support_isactive:
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return True
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return bool(self._backend.isActive())
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def tick(self):
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self.set_active(self._backend_get_active())
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def is_active(self):
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return self._active
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def get_name(self):
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return self._name
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def get_mac(self):
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return self.xpath("/interface/mac/@address")
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def _kick_conn(self):
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self.conn.schedule_priority_tick(polliface=True)
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def start(self):
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self._backend.create(0)
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self.idle_add(self.refresh_xml)
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self._kick_conn()
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def stop(self):
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self._backend.destroy(0)
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self.idle_add(self.refresh_xml)
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self._kick_conn()
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def delete(self):
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self._backend.undefine()
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self._kick_conn()
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def is_bridge(self):
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typ = self.get_type()
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return typ == "bridge"
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def get_type(self):
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return self.xpath("/interface/@type")
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def get_pretty_type(self):
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itype = self.get_type()
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if itype == Interface.Interface.INTERFACE_TYPE_VLAN:
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return "VLAN"
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elif itype:
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return str(itype).capitalize()
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else:
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return "Interface"
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def get_startmode(self):
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return self.xpath("/interface/start/@mode") or "none"
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def set_startmode(self, newmode):
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def set_start_xml(doc, ctx):
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node = ctx.xpathEval("/interface/start[1]")
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node = (node and node[0] or None)
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iface_node = ctx.xpathEval("/interface")[0]
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if not node:
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node = iface_node.newChild(None, "start", None)
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node.setProp("mode", newmode)
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return doc.serialize()
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self._redefine(util.xml_parse_wrapper, set_start_xml)
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def get_slaves(self):
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typ = self.get_type()
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xpath = "/interface/%s/interface/@name" % typ
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def node_func(ctx):
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nodes = ctx.xpathEval(xpath)
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names = [x.content for x in nodes]
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ret = []
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for name in names:
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type_path = ("/interface/%s/interface[@name='%s']/@type" %
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(typ, name))
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nodes = ctx.xpathEval(type_path)
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ret.append((name, nodes and nodes[0].content or "Unknown"))
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return ret
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ret = self.xpath(func=node_func)
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if not ret:
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return []
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return ret
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def get_slave_names(self):
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# Returns a list of names of all enslaved interfaces
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return [x[0] for x in self.get_slaves()]
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def get_ipv4(self):
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base_xpath = "/interface/protocol[@family='ipv4']"
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if not self.xpath(base_xpath):
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return []
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dhcp = bool(self.xpath("count(%s/dhcp)" % base_xpath))
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addr = self.xpath(base_xpath + "/ip/@address")
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if addr:
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prefix = self.xpath(base_xpath + "/ip[@address='%s']/@prefix" %
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addr)
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if prefix:
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addr += "/%s" % prefix
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return [dhcp, addr]
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def get_ipv6(self):
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base_xpath = "/interface/protocol[@family='ipv6']"
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if not self.xpath(base_xpath):
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return []
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dhcp = bool(self.xpath("count(%s/dhcp)" % base_xpath))
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autoconf = bool(self.xpath("count(%s/autoconf)" % base_xpath))
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def addr_func(ctx):
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nodes = ctx.xpathEval(base_xpath + "/ip")
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nodes = nodes or []
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ret = []
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for node in nodes:
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addr = node.prop("address")
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pref = node.prop("prefix")
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if not addr:
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continue
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if pref:
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addr += "/%s" % pref
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ret.append(addr)
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return ret
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ret = self.xpath(func=addr_func)
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return [dhcp, autoconf, ret]
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def get_protocol_xml(self):
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def protocol(ctx):
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node = ctx.xpathEval("/interface/protocol")
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node = node and node[0] or None
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ret = None
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if node:
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ret = node.serialize()
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return ret
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ret = self.xpath(func=protocol)
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if ret:
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ret = " %s\n" % ret
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return ret
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def _redefine(self, xml_func, *args):
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"""
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Helper function for altering a redefining VM xml
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@param xml_func: Function to alter the running XML. Takes the
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original XML as its first argument.
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@param args: Extra arguments to pass to xml_func
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"""
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origxml = self._xml_to_redefine()
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# Sanitize origxml to be similar to what we will get back
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origxml = util.xml_parse_wrapper(origxml, lambda d, c: d.serialize())
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newxml = xml_func(origxml, *args)
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self._redefine_xml(newxml)
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