def showNetwork(network):
_netinfo = CachingNetInfo()
if network not in _netinfo.networks:
print("Network %r doesn't exist" % network)
return
bridged = _netinfo.networks[network]['bridged']
print("Network %s(Bridged: %s):" % (network, bridged))
nics, vlan, vlan_id, bonding = _netinfo.getNicsVlanAndBondingForNetwork(
network)
if bridged:
ipaddr = _netinfo.networks[network]['addr']
netmask = _netinfo.networks[network]['netmask']
gateway = _netinfo.networks[network]['gateway']
print("ipaddr=%s, netmask=%s, gateway=%s" % (ipaddr, netmask, gateway))
else:
iface = _netinfo.networks[network]['iface']
ipaddr = _netinfo.nics[iface]['addr']
netmask = _netinfo.nics[iface]['netmask']
print("ipaddr=%s, netmask=%s" % (ipaddr, netmask))
print("vlan=%s, bonding=%s, nics=%s" % (vlan_id, bonding, nics))
def _delNetwork(network, vlan=None, bonding=None, nics=None,
bypassValidation=False,
configurator=None, implicitBonding=True,
_netinfo=None, keep_bridge=False, **options):
if _netinfo is None:
_netinfo = CachingNetInfo()
if configurator is None:
configurator = ConfiguratorClass()
if network not in _netinfo.networks:
logging.info("Network %r: doesn't exist in libvirt database", network)
vlan = _vlanToInternalRepresentation(vlan)
_delNonVdsmNetwork(network, vlan, bonding, nics, _netinfo,
configurator)
return
nics, vlan, vlan_id, bonding = _netinfo.getNicsVlanAndBondingForNetwork(
network)
bridged = _netinfo.networks[network]['bridged']
logging.info("Removing network %s with vlan=%s, bonding=%s, nics=%s,"
"keep_bridge=%s options=%s", network, vlan, bonding,
nics, keep_bridge, options)
if not bypassValidation:
_validateDelNetwork(network, vlan, bonding, nics,
bridged and not keep_bridge, _netinfo)
net_ent = _objectivizeNetwork(bridge=network if bridged else None,
vlan=vlan, vlan_id=vlan_id, bonding=bonding,
nics=nics, _netinfo=_netinfo,
configurator=configurator,
implicitBonding=implicitBonding)
net_ent.ipv4.bootproto = (
'dhcp' if _netinfo.networks[network]['dhcpv4'] else 'none')
if bridged and keep_bridge:
# we now leave the bridge intact but delete everything underneath it
net_ent_to_remove = net_ent.port
if net_ent_to_remove is not None:
# the configurator will not allow us to remove a bridge interface
# (be it vlan, bond or nic) unless it is not used anymore. Since
# we are interested to leave the bridge here, we have to disconnect
# it from the device so that the configurator will allow its
# removal.
_disconnect_bridge_port(net_ent_to_remove.name)
else:
net_ent_to_remove = net_ent
# We must first remove the libvirt network and then the network entity.
# Otherwise if we first remove the network entity while the libvirt
# network is still up, the network entity (In some flows) thinks that
# it still has users and thus does not allow its removal
configurator.removeLibvirtNetwork(network)
if net_ent_to_remove is not None:
logging.info('Removing network entity %s', net_ent_to_remove)
net_ent_to_remove.remove()
# We must remove the QoS last so that no devices nor networks mark the
# QoS as used
backing_device = hierarchy_backing_device(net_ent)
if (backing_device is not None and
os.path.exists(NET_PATH + '/' + backing_device.name)):
configurator.removeQoS(net_ent)
