virt-manager/virtManager/object/network.py

172 lines
4.7 KiB
Python

# Copyright (C) 2006, 2013-2014 Red Hat, Inc.
# Copyright (C) 2006 Daniel P. Berrange <berrange@redhat.com>
#
# This work is licensed under the GNU GPLv2 or later.
# See the COPYING file in the top-level directory.
import ipaddress
from virtinst import log
from virtinst import Network
from .libvirtobject import vmmLibvirtObject
from ..lib import testmock
def _make_addr_str(addrStr, prefix, netmaskStr):
if prefix:
return str(
ipaddress.ip_network(
str("{}/{}").format(addrStr, prefix), strict=False
)
)
elif netmaskStr:
netmask = ipaddress.ip_address(str((netmaskStr)))
network = ipaddress.ip_address(str((addrStr)))
return str(
ipaddress.ip_network(
str("{}/{}").format(network, netmask), strict=False
)
)
else:
return str(ipaddress.ip_network(str(addrStr), strict=False))
class vmmNetwork(vmmLibvirtObject):
def __init__(self, conn, backend, key):
vmmLibvirtObject.__init__(self, conn, backend, key, Network)
self._leases = None
##########################
# Required class methods #
##########################
def _conn_tick_poll_param(self):
return "pollnet"
def class_name(self):
return "network"
def _XMLDesc(self, flags):
return self._backend.XMLDesc(flags)
def _define(self, xml):
return self.conn.define_network(xml)
def _using_events(self):
return self.conn.using_network_events
def _get_backend_status(self):
return (bool(self._backend.isActive()) and
self._STATUS_ACTIVE or
self._STATUS_INACTIVE)
###########
# Actions #
###########
@vmmLibvirtObject.lifecycle_action
def start(self):
self._backend.create()
@vmmLibvirtObject.lifecycle_action
def stop(self):
self._backend.destroy()
@vmmLibvirtObject.lifecycle_action
def delete(self, force=True):
ignore = force
self._backend.undefine()
self._backend = None
###############################
# XML/config handling parsing #
###############################
def get_autostart(self):
return self._backend.autostart()
def set_autostart(self, val):
self._backend.setAutostart(val)
def _refresh_dhcp_leases(self):
ret = []
try:
ret = self._backend.DHCPLeases()
except Exception as e:
log.debug("Error getting %s DHCP leases: %s", self, str(e))
if self.conn.is_test():
ret = testmock.fake_dhcp_leases()
self._leases = ret
def get_dhcp_leases(self, refresh=False):
if self._leases is None or refresh:
self._refresh_dhcp_leases()
return self._leases
def get_bridge_device(self):
return self.get_xmlobj().bridge
def get_name_domain(self):
return self.get_xmlobj().domain_name
def get_ipv6_enabled(self):
return self.get_xmlobj().ipv6
def _get_network(self, family):
dhcpstart = None
dhcpend = None
xmlobj = self.get_xmlobj()
ip = None
for i in xmlobj.ips:
if (i.family == family or
(family == "ipv4" and not i.family)):
if i.ranges:
ip = i
dhcpstart = i.ranges[0].start
dhcpend = i.ranges[0].end
break
if not ip:
for i in xmlobj.ips:
if (i.family == family or
(family == "ipv4" and not i.family)):
ip = i
break
ret = None
if ip:
ret = _make_addr_str(ip.address, ip.prefix, ip.netmask)
dhcp = [None, None]
if dhcpstart and dhcpend:
dhcp = [str(ipaddress.ip_address(str(dhcpstart))),
str(ipaddress.ip_address(str(dhcpend)))]
return [ret, dhcp]
def get_ipv4_network(self):
return self._get_network("ipv4")
def get_ipv6_network(self):
return self._get_network("ipv6")
def pretty_forward_mode(self):
mode = self.xmlobj.forward.mode
dev = self.xmlobj.forward.dev
if not mode:
return _("Isolated network")
if mode == "nat":
if dev:
desc = _("NAT to %s") % dev
else:
desc = _("NAT")
elif mode == "route":
if dev:
desc = _("Route to %s") % dev
else:
desc = _("Routed network")
else:
modestr = mode.capitalize()
desc = _("%s network") % modestr
return desc