def _validateNetworkSetup(networks, bondings):
for network, networkAttrs in networks.iteritems():
if networkAttrs.get('remove', False):
if set(networkAttrs) - set(['remove']):
raise ConfigNetworkError(ne.ERR_BAD_PARAMS, 'Cannot specify '
'any attribute when removing')
currentBondings = netinfo.bondings()
currentNicsSet = set(netinfo.nics())
for bonding, bondingAttrs in bondings.iteritems():
Bond.validateName(bonding)
if 'options' in bondingAttrs:
Bond.validateOptions(bonding, bondingAttrs['options'])
if bondingAttrs.get('remove', False):
if bonding not in currentBondings:
raise ConfigNetworkError(ne.ERR_BAD_BONDING, "Cannot remove "
"bonding %s: Doesn't exist" % bonding)
continue
nics = bondingAttrs.get('nics', None)
if not nics:
raise ConfigNetworkError(ne.ERR_BAD_PARAMS,
"Must specify nics for bonding")
if not set(nics).issubset(currentNicsSet):
raise ConfigNetworkError(ne.ERR_BAD_NIC,
"Unknown nics in: %r" % list(nics))
def _validateNetworkSetup(networks, bondings):
_netinfo = netinfo.NetInfo()
for network, networkAttrs in networks.iteritems():
if networkAttrs.get('remove', False):
if set(networkAttrs) - set(['remove']):
raise ConfigNetworkError(
ne.ERR_BAD_PARAMS, 'Cannot specify '
'any attribute when removing')
for bonding, bondingAttrs in bondings.iteritems():
Bond.validateName(bonding)
if 'options' in bondingAttrs:
Bond.validateOptions(bonding, bondingAttrs['options'])
if bondingAttrs.get('remove', False):
if bonding not in _netinfo.bondings:
raise ConfigNetworkError(
ne.ERR_BAD_BONDING, "Cannot remove "
"bonding %s: Doesn't exist" % bonding)
continue
nics = bondingAttrs.get('nics', None)
if not nics:
raise ConfigNetworkError(ne.ERR_BAD_PARAMS,
"Must specify nics for bonding")
if not set(nics).issubset(set(_netinfo.nics)):
raise ConfigNetworkError(ne.ERR_BAD_NIC,
"Unknown nics in: %r" % list(nics))
def testIsBondingNameValid(self):
bondNames = ('badValue', ' bond14', 'bond14 ', 'bond14a', 'bond0 0')
for bondName in bondNames:
with self.assertRaises(neterrors.ConfigNetworkError) \
as cneContext:
Bond.validateName(bondName)
self.assertEqual(cneContext.exception.errCode,
neterrors.ERR_BAD_BONDING)
self.assertEqual(Bond.validateName('bond11'), None)
self.assertEqual(Bond.validateName('bond11128421982'), None)
def testIsBondingNameValid(self):
bondNames = ('badValue', ' bond14', 'bond14 ', 'bond14a', 'bond0 0')
for bondName in bondNames:
with self.assertRaises(neterrors.ConfigNetworkError) \
as cneContext:
Bond.validateName(bondName)
self.assertEqual(cneContext.exception.errCode,
neterrors.ERR_BAD_BONDING)
self.assertEqual(Bond.validateName('bond11'), None)
self.assertEqual(Bond.validateName('bond11128421982'), None)
def delNetwork(network, vlan=None, bonding=None, nics=None, force=False,
configWriter=None, implicitBonding=True, _netinfo=None,
**options):
if _netinfo is None:
_netinfo = netinfo.NetInfo()
if configWriter is None:
configWriter = ConfigWriter()
if network not in _netinfo.networks:
logging.info("Network %r: doesn't exist in libvirt database", network)
if network in netinfo.bridges():
configWriter.removeBridge(network)
else:
raise ConfigNetworkError(ne.ERR_BAD_BRIDGE, "Cannot delete network"
" %r: It doesn't exist in the system" %
network)
if vlan:
configWriter.removeVlan(vlan, bonding or nics[0])
return
nics, vlan, bonding = _netinfo.getNicsVlanAndBondingForNetwork(network)
bridged = _netinfo.networks[network]['bridged']
logging.info("Removing network %s with vlan=%s, bonding=%s, nics=%s,"
"options=%s" % (network, vlan, bonding, nics, options))
if not utils.tobool(force):
if bonding:
Bond.validateName(bonding)
if set(nics) != set(_netinfo.bondings[bonding]["slaves"]):
raise ConfigNetworkError(ne.ERR_BAD_NIC, 'delNetwork: %s are '
'not all nics enslaved to %s' %
(nics, bonding))
if vlan:
Vlan.validateTag(vlan)
if bridged:
assertBridgeClean(network, vlan, bonding, nics)
configWriter.setNewMtu(network=network, bridged=bridged, _netinfo=_netinfo)
configWriter.removeLibvirtNetwork(network)
# We need to gather NetInfo again to refresh networks info from libvirt.
# The deleted bridge should never be up at this stage.
_netinfo = netinfo.NetInfo()
if network in _netinfo.networks:
raise ConfigNetworkError(ne.ERR_USED_BRIDGE, 'delNetwork: bridge %s '
'still exists' % network)
if network and bridged:
configWriter.removeBridge(network)
nic = nics[0] if nics else None
iface = bonding if bonding else nic
if iface:
ifdown(iface)
if vlan:
configWriter.removeVlan(vlan, iface)
else:
cf = netinfo.NET_CONF_PREF + iface
if not bridged:
# When removing bridgeless non-VLANed network
# we need to remove IP/NETMASK from the cfg file
for key in ('IPADDR', 'NETMASK', 'GATEWAY', 'BOOTPROTO'):
configWriter._updateConfigValue(cf, key, '', True)
else:
# When removing bridged non-VLANed network
# we need to remove BRIDGE from the cfg file
configWriter._updateConfigValue(cf, 'BRIDGE', '', True)
# Now we can restart changed interface
ifup(iface)
# The (relatively) new setupNetwork verb allows to remove a network
# defined on top of an bonding device without break the bond itself.
_netinfo = netinfo.NetInfo()
if implicitBonding:
if bonding and not _netinfo.ifaceUsers(bonding):
ifdown(bonding)
configWriter.removeBonding(bonding)
_removeUnusedNics(network, vlan, bonding, nics, configWriter)
elif not bonding:
_removeUnusedNics(network, vlan, bonding, nics, configWriter)
elif not _netinfo.ifaceUsers(bonding):
ifdown(bonding)
configWriter.setBondingMtu(bonding, DEFAULT_MTU)
ifup(bonding)