Dynamic configuration of SR
Change-Id: I847d1cf66f146f213947a336ca0619a3e28ace36
diff --git a/TestON/tests/USECASE/SegmentRouting/dependencies/cord_fabric.py b/TestON/tests/USECASE/SegmentRouting/dependencies/cord_fabric.py
index 4f52689..6348632 100755
--- a/TestON/tests/USECASE/SegmentRouting/dependencies/cord_fabric.py
+++ b/TestON/tests/USECASE/SegmentRouting/dependencies/cord_fabric.py
@@ -1,6 +1,7 @@
#!/usr/bin/python
import os
+import re
from optparse import OptionParser
from mininet.net import Mininet
@@ -23,6 +24,8 @@
help='number of hosts per leaf switch, default=2' )
parser.add_option( '--onos', dest='onos', type='int', default=0,
help='number of ONOS Instances, default=0, 0 means localhost, 1 will use OC1 and so on' )
+ parser.add_option( '--vlan', dest='vlan', type='int', default=-1,
+ help='vid of cross connect, default=-1, -1 means utilize default value' )
(options, args) = parser.parse_args( )
return options, args
@@ -46,10 +49,6 @@
for ls in range( leaf ):
leafs[ ls ] = self.addSwitch( 'leaf%s' % (ls + 1),
dpid="00000000000%s" % (1 + ls) )
- # Connect leaf to all spines
- for s in range( spine ):
- switch = spines[ s ]
- self.addLink( leafs[ ls ], switch, **linkopts )
# Add hosts under a leaf, fanout hosts per leaf switch
for f in range( fanout ):
host = self.addHost( 'h%s' % (ls * fanout + f + 1),
@@ -58,23 +57,34 @@
gateway='10.0.%s.254' % (ls + 1) )
self.addLink( host, leafs[ ls ], **linkopts )
# Add Xconnect simulation
- br1 = self.addSwitch( 'br1', cls=OVSBridge )
- self.addLink( br1, leafs[ 0 ], **linkopts )
- for vid in [ 5, 10 ]:
- olt = self.addHost( 'olt%s' % vid, cls=VLANHost, vlan=vid,
- ip="10.%s.0.1/24" % vid
- , mac="00:00:%02d:00:00:01" % vid )
- vsg = self.addHost( 'vsg%s' % vid, cls=VLANHost, vlan=vid,
- ip="10.%s.0.2/24" % vid
- , mac="00:00:%02d:00:00:02" % vid )
- self.addLink( olt, leafs[ 0 ], **linkopts )
- self.addLink( vsg, br1, **linkopts )
-
+ if ls is 0:
+ in1 = self.addHost( 'in1', cls=IpHost, ip='10.0.1.9/24', mac="00:00:00:00:00:09" )
+ self.addLink( in1, leafs[0], **linkopts )
+ out1 = self.addHost( 'out1', cls=IpHost, ip='10.0.9.1/24', mac="00:00:00:00:09:01" )
+ self.addLink( out1, leafs[0], **linkopts )
+ br1 = self.addSwitch( 'br1', cls=OVSBridge )
+ self.addLink( br1, leafs[ 0 ], **linkopts )
+ vlans = [ 1, 5, 10 ]
+ for vid in vlans:
+ olt = self.addHost( 'olt%s' % vid, cls=VLANHost, vlan=vid,
+ ip="10.%s.0.1/24" % vid
+ , mac="00:00:%02d:00:00:01" % vid )
+ vsg = self.addHost( 'vsg%s' % vid, cls=VLANHost, vlan=vid,
+ ip="10.%s.0.2/24" % vid
+ , mac="00:00:%02d:00:00:02" % vid )
+ self.addLink( olt, leafs[ 0 ], **linkopts )
+ self.addLink( vsg, br1, **linkopts )
+ # Connect leaf to all spines
+ for s in range( spine ):
+ switch = spines[ s ]
+ self.addLink( leafs[ ls ], switch, **linkopts )
class IpHost( Host ):
- def __init__( self, name, gateway, *args, **kwargs ):
+ def __init__( self, name, *args, **kwargs ):
super( IpHost, self ).__init__( name, *args, **kwargs )
- self.gateway = gateway
+ gateway = re.split('\.|/', kwargs['ip'])
+ gateway[3] = '254'
+ self.gateway = '.'.join(gateway[0:4])
def config( self, **kwargs ):
Host.config( self, **kwargs )
@@ -105,15 +115,43 @@
# add VLAN interface to host's name to intf map
self.nameToIntf[ newName ] = intf
+class ExtendedCLI( CLI ):
+ """
+ Extends mininet CLI with the following commands:
+ addvlanhost
+ addiphost
+ """
+ def do_addhost( self, line ):
+ #Parsing args from CLI
+ args = line.split( )
+ if len( args ) < 3 or len( args ) :
+ "usage: addhost hostname switch **params"
+ hostname, switch = args[0], args[1]
+ params = eval(line.split( ' ', 3 )[2])
+ if 'cls' in params:
+ params['cls'] = eval( params[ 'cls' ] )
+ if hostname in self.mn:
+ #error( '%s already exists!\n' % hostname )
+ return
+ if switch not in self.mn:
+ #error( '%s does not exist!\n' % switch )
+ return
+ print params
+ host = self.mn.addHostCfg( hostname, **params )
+ #switch.attach( link.intf2 )
+ #host.config()
+ link = self.mn.addLink( host, switch )
+ host.config(**params)
def config( opts ):
spine = opts.spine
leaf = opts.leaf
fanout = opts.fanout
+ vlan = opts.vlan
controllers = [ os.environ[ 'OC%s' % i ] for i in
range( 1, opts.onos + 1 ) ] if (opts.onos) else [
'127.0.0.1' ]
- topo = LeafAndSpine( spine=spine, leaf=leaf, fanout=fanout )
+ topo = LeafAndSpine( spine=spine, leaf=leaf, fanout=fanout, vlan=vlan )
net = Mininet( topo=topo, link=TCLink, build=False,
switch=UserSwitch, controller=None, autoSetMacs=True )
i = 0
@@ -122,7 +160,9 @@
i += 1;
net.build( )
net.start( )
- CLI( net )
+ out1 = net.get( 'out1' )
+ out1.cmd( "arp -s 10.0.9.254 10:00:00:00:00:01 -i %s " % (out1.intf()) )
+ CLI(net)
net.stop( )