def showNetwork(bridge):
_netinfo = NetInfo()
if bridge not in _netinfo.networks:
print "Bridge %r doesn't exist" % bridge
return
nics, vlan, bonding = _netinfo.getNicsVlanAndBondingForNetwork(bridge)
print "Bridge %s: vlan=%s, bonding=%s, nics=%s" % (bridge, vlan, bonding, nics)
def delNetwork(network, force=False, configWriter=None, **options):
_netinfo = NetInfo()
validateBridgeName(network)
if network not in networks().keys():
raise ConfigNetworkError(ne.ERR_BAD_BRIDGE, "Cannot delete network %r: It doesn't exist" % network)
nics, vlan, bonding = _netinfo.getNicsVlanAndBondingForNetwork(network)
bridged = 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:
validateBondingName(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:
#assertVlan(vlan)
validateVlanId(vlan)
if bridged:
assertBridgeClean(network, vlan, bonding, nics)
if configWriter is None:
configWriter = ConfigWriter()
if not utils.tobool(options.get('skipLibvirt', False)):
removeLibvirtNetwork(network)
if bridged:
configWriter.setNewMtu(network)
if network and bridged:
ifdown(network)
subprocess.call([constants.EXT_BRCTL, 'delbr', network])
configWriter.removeBridge(network)
if vlan:
vlandev = (bonding or nics[0]) + '.' + vlan
ifdown(vlandev)
subprocess.call([constants.EXT_VCONFIG, 'rem', vlandev], stderr=subprocess.PIPE)
configWriter.removeVlan(vlan, bonding or nics[0])
if bonding:
if not bridged or not bondingOtherUsers(network, vlan, bonding):
ifdown(bonding)
if not bridged or not bondingOtherUsers(network, vlan, bonding):
configWriter.removeBonding(bonding)
for nic in nics:
if not bridged or not nicOtherUsers(network, vlan, bonding, nic):
ifdown(nic)
if bridged and nicOtherUsers(network, vlan, bonding, nic):
continue
configWriter.removeNic(nic)
def setNewMtu(self, bridge):
"""
Set new MTU value to bridge and its interfaces
:param bridge: bridge name
:type bridge: string
Update MTU to devices (bridge, interfaces, bonds and vlans)
Or added a new value,
also set the bridge to the higher value if its under vlans or bond
"""
_netinfo = NetInfo()
cf = self.NET_CONF_PREF + bridge
currmtu = self._getConfigValue(cf, 'MTU')
if currmtu is None:
return
nics, delvlan, bonding = _netinfo.getNicsVlanAndBondingForNetwork(bridge)
if delvlan is None:
return
if bonding:
_, vlans = _netinfo.getNetworksAndVlansForBonding(bonding)
delvlan = bonding + '.' + delvlan
else:
vlans = _netinfo.getVlansForNic(nics[0])
delvlan = nics[0] + '.' + delvlan
newmtu = None
for vlan in vlans:
if vlan == delvlan:
continue
cf = self.NET_CONF_PREF + vlan
mtu = self._getConfigValue(cf, 'MTU')
newmtu = max(newmtu, mtu)
if newmtu != currmtu:
if bonding:
slaves = NetInfo.slaves(bonding)
for slave in slaves:
cf = self.NET_CONF_PREF + slave
self._updateConfigValue(cf, 'MTU', newmtu, newmtu is None)
else:
cf = self.NET_CONF_PREF + nics[0]
self._updateConfigValue(cf, 'MTU', newmtu, newmtu is None)
def _handle_setup(nets, bonds, running_config, nets_by_nic):
commands = []
netinfo = NetInfo()
for bond, attrs in six.iteritems(bonds):
if 'remove' not in attrs:
_validate_bond_configuration(attrs, netinfo)
if bond in running_config.bonds:
commands.extend(_edit_ovs_bond(bond, attrs, running_config))
else:
commands.extend(_setup_ovs_bond(bond, attrs, running_config))
for net, attrs in six.iteritems(nets):
if 'remove' not in attrs:
_validate_net_configuration(net, attrs, running_config, netinfo)
if net in running_config.networks:
commands.extend(_edit_ovs_net(net, attrs, running_config,
nets_by_nic))
else:
commands.extend(_setup_ovs_net(net, attrs, running_config,
nets_by_nic))
return commands
def _validateNetworkSetup(networks={}, bondings={}, explicitBonding=False):
_netinfo = NetInfo()
# Step 1: Initial validation (validate names, existence of params, etc.)
for network, networkAttrs in networks.iteritems():
validateBridgeName(network)
if networkAttrs.get('remove', False):
if set(networkAttrs) - set(['remove']):
raise ConfigNetworkError(ne.ERR_BAD_PARAMS, "Cannot specify any attribute when removing")
if network not in _netinfo.networks:
raise ConfigNetworkError(ne.ERR_BAD_BRIDGE, 'Cannot remove bridge %s: Doesn\'t exist' % network)
continue
vlan = networkAttrs.get('vlan', None)
ipaddr = networkAttrs.get('ipaddr', None)
netmask = networkAttrs.get('netmask', None)
gateway = networkAttrs.get('gateway', None)
if vlan:
validateVlanId(vlan)
# Check ip, netmask, gateway
if ipaddr:
if not netmask:
raise ConfigNetworkError(ne.ERR_BAD_ADDR, "Must specify netmask to configure ip for bridge")
validateIpAddress(ipaddr)
validateNetmask(netmask)
if gateway:
validateGateway(gateway)
else:
if netmask or gateway:
raise ConfigNetworkError(ne.ERR_BAD_ADDR, "Specified netmask or gateway but not ip")
# check nic or bonding
nic = networkAttrs.get('nic', None)
bonding = networkAttrs.get('bonding', None)
if nic and bonding:
raise ConfigNetworkError(ne.ERR_BAD_PARAMS, "Don't specify both nic and bonding")
if not nic and not bonding:
raise ConfigNetworkError(ne.ERR_BAD_PARAMS, "Must specify either nic or bonding")
if nic and nic not in _netinfo.nics:
raise ConfigNetworkError(ne.ERR_BAD_NIC, "unknown nic: %r"%nic)
for bonding, bondingAttrs in bondings.iteritems():
validateBondingName(bonding)
if 'options' in bondingAttrs:
validateBondingOptions(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))
# Step 2: Make sure we have complete information about the Setup, more validation
# (if explicitBonding==False we complete the missing information ourselves, else we raise an exception)
nics = defaultdict(lambda: {'networks':[], 'bonding':None})
for network, networkAttrs in networks.iteritems():
if networkAttrs.get('remove', False):
continue
if 'bonding' in networkAttrs:
assert 'nic' not in networkAttrs
bonding = networkAttrs['bonding']
if bonding not in bondings:
if explicitBonding:
raise ConfigNetworkError(ne.ERR_BAD_PARAMS, "Network %s requires unspecified bonding %s"%(
network, bonding))
# fill in bonding info
bondings[bonding] = {'nics':_netinfo.bondings[bonding]['slaves']}
if '_networks' not in bondings[bonding]:
bondings[bonding]['_networks'] = []
bondings[bonding]['_networks'].append( network )
else:
assert 'nic' in networkAttrs
nics[networkAttrs['nic']]['networks'].append( network )
for bonding, bondingAttrs in bondings.iteritems():
if bondingAttrs.get('remove', False):
continue
connectedNetworks = _netinfo.getNetworksForNic(bonding)
for network in connectedNetworks:
if network not in networks:
if explicitBonding:
raise ConfigNetworkError(ne.ERR_BAD_PARAMS, "Bonding %s is associated with unspecified network %s"%(
bonding, network))
# fill in network info
_, vlan, bonding2 = _netinfo.getNicsVlanAndBondingForNetwork(network)
assert bonding == bonding2
networks[network] = {'bonding': bonding, 'vlan':vlan}
for nic in bondingAttrs['nics']:
if nics[nic]['bonding']:
raise ConfigNetworkError(ne.ERR_BAD_BONDING, "Nic %s is attached to two different bondings in setup: %s, %s"%(
nic, bonding, nics[nic]['bonding']))
nics[nic]['bonding'] = bonding
# At this point the state may be contradictory.
# Step 3: Apply removals (We're not iterating because we change the dictionary size)
queue = []
for network, networkAttrs in networks.items():
if networkAttrs.get('remove', False):
del networks[network]
else:
queue.append(('network', network, networkAttrs))
for bonding, bondingAttrs in bondings.items():
if bondingAttrs.get('remove', False):
del bondings[bonding]
else:
queue.append(('bonding', bonding, bondingAttrs))
# Step 4: Verify Setup
for nic, nicAttrs in nics.iteritems():
networks = nicAttrs['networks']
if networks and nicAttrs['bonding']:
raise ConfigNetworkError(ne.ERR_USED_NIC, "Setup attached both network and bonding to nic %s"%(nic))
if len(networks) > 1:
for network, networkAttrs in networks.iteritems():
if not networkAttrs.get('vlan', None):
raise ConfigNetworkError(ne.ERR_USED_NIC,
"Setup attached more than one network to nic %s, some of which aren't vlans"%(nic))
for bonding, bondingAttrs in bondings.iteritems():
networks = bondingAttrs['_networks']
if len(networks) > 1:
for network, networkAttrs in networks.iteritems():
if not networkAttrs.get('vlan', None):
raise ConfigNetworkError(ne.ERR_BAD_BONDING,
"Setup attached more than one network to bonding %s, some of which aren't vlans"%(bonding))
