def connectInNameSpace(self,
ovsbridge,
namespace,
ipaddress=None,
gateway=None,
name=None):
namespace = netcl.NameSpace(namespace)
bridge = netcl.Bridge(ovsbridge)
namespace.create()
iin = self._generatenewdevname()
iout = self._generatenewdevname()
createVethPair(iin, iout)
namespace.connect(iin)
bridge.connect(iout)
if name:
ip_link_set(iin, 'name {}'.format(name), namespace.name)
else:
name = iin
ip_link_set(name, 'up', namespace.name)
if ipaddress:
self._exec('ip -n {} address add {} dev {}'.format(
namespace.name, ipaddress, name))
if gateway:
self._exec('ip -n {} route add default via {}'.format(
namespace.name, gateway))
return name, iout
def newBridge(self, name, interface=None):
"""
@param interface interface where to connect this bridge to
"""
br = netcl.Bridge(name)
br.create()
if interface is not None:
br.connect(interface)
def cleanupIfUnusedVlanBridge(self, bridgename=None, vlan=None):
if bridgename is None and vlan is None:
raise ValueError('Requires at least bridgename or vlan')
if bridgename is None:
bridgename = self.getVlanBridge(vlan)
with FileLock('vlan_%s' % bridgename):
bridge = netcl.Bridge(bridgename)
connections = bridge.listConnections()
if len(connections) > 1:
return False
else:
for connection in connections:
parentbridge, vlan = connection.split('-')
bridge.removeInterface(connection)
pbridge = netcl.Bridge(parentbridge)
pbridge.removeInterface('{}-{}'.format(bridgename, vlan))
bridge.destroy()
def newBridge(self, name, interface=None):
"""
@param interface ['interface'] can take multiple interfaces where to connect this bridge
"""
br = netcl.Bridge(name)
br.create()
if interface is not None:
br.connect(interface)
def createVXLanBridge(self, networkid, backend, bridgename=None):
"""
Creates a proper vxlan interface and bridge based on a backplane
"""
networkoid = netcl.NetID(networkid)
vxlan = netcl.VXlan(networkoid, backend)
vxlan.create()
vxlan.no6()
bridge = netcl.Bridge(bridgename)
bridge.create()
bridge.connect(vxlan.name)
return vxlan
