[CORD-2479] Adding trellis dual links

Change-Id: I219f443727b8da2a457c3f71fd61373d373c8bec
diff --git a/trellis/trellis_duallink.json b/trellis/trellis_duallink.json
new file mode 100644
index 0000000..29cbfee
--- /dev/null
+++ b/trellis/trellis_duallink.json
@@ -0,0 +1,168 @@
+{
+    "ports" : {
+        "of:0000000000000204/5" : {
+            "interfaces" : [
+                {
+                    "ips" : [ "10.0.2.254/24" ],
+                    "vlan-untagged": 20
+                }
+            ]
+        },
+        "of:0000000000000204/6" : {
+            "interfaces" : [
+                {
+                    "ips" : [ "10.0.2.254/24" ],
+                    "vlan-untagged": 20
+                }
+            ]
+        },
+        "of:0000000000000204/7" : {
+            "interfaces" : [
+                {
+                    "ips" : [ "2000::2ff/120" ],
+                    "vlan-untagged": 40
+                }
+            ]
+        },
+        "of:0000000000000204/8" : {
+            "interfaces" : [
+                {
+                    "ips" : [ "2000::2ff/120" ],
+                    "vlan-untagged": 40
+                }
+            ]
+        },
+        "of:0000000000000205/5" : {
+            "interfaces" : [
+                {
+                    "ips" : [ "10.0.3.254/24" ],
+                    "vlan-untagged": 30
+                }
+            ]
+        },
+        "of:0000000000000205/6" : {
+            "interfaces" : [
+                {
+                    "ips" : [ "10.0.3.254/24" ],
+                    "vlan-untagged": 30
+                }
+            ]
+        },
+        "of:0000000000000205/7" : {
+            "interfaces" : [
+                {
+                    "ips" : [ "2000::3ff/120" ],
+                    "vlan-untagged": 50
+                }
+            ]
+        },
+        "of:0000000000000205/8" : {
+            "interfaces" : [
+                {
+                    "ips" : [ "2000::3ff/120" ],
+                    "vlan-untagged": 50
+                }
+            ]
+        },
+        "of:0000000000000205/9" : {
+            "interfaces" : [
+                {
+                    "ips" : [ "10.0.3.254/24", "2000::3ff/120" ],
+                    "vlan-untagged": 30
+                }
+            ]
+        },
+        "of:0000000000000205/10" : {
+            "interfaces" : [
+                {
+                    "ips" : [ "10.0.1.254/24", "2000::1ff/120" ],
+                    "vlan-untagged": 10
+                }
+            ]
+        },
+        "of:0000000000000205/11" : {
+            "interfaces" : [
+                {
+                    "ips" : [ "10.0.1.254/24", "2000::1ff/120" ],
+                    "vlan-untagged": 10
+                }
+            ]
+        }
+    },
+    "devices" : {
+        "of:0000000000000204" : {
+            "segmentrouting" : {
+                "name" : "s204",
+                "ipv4NodeSid" : 204,
+                "ipv4Loopback" : "192.168.0.204",
+                "ipv6NodeSid" : 214,
+                "ipv6Loopback" : "2000::c0a8:0204",
+                "routerMac" : "00:00:00:00:02:04",
+                "isEdgeRouter" : true,
+                "adjacencySids" : []
+            },
+            "basic" : {
+                "name": "s204",
+                "driver" : "ofdpa-ovs"
+            }
+        },
+        "of:0000000000000205" : {
+            "segmentrouting" : {
+                "name" : "s205",
+                "ipv4NodeSid" : 205,
+                "ipv4Loopback" : "192.168.0.205",
+                "ipv6NodeSid" : 215,
+                "ipv6Loopback" : "2000::c0a8:0205",
+                "routerMac" : "00:00:00:00:02:05",
+                "isEdgeRouter" : true,
+                "adjacencySids" : []
+            },
+            "basic" : {
+                "name": "s205",
+                "driver" : "ofdpa-ovs"
+            }
+        },
+        "of:0000000000000226" : {
+            "segmentrouting" : {
+                "name" : "s226",
+                "ipv4NodeSid" : 226,
+                "ipv4Loopback" : "192.168.0.226",
+                "ipv6NodeSid" : 236,
+                "ipv6Loopback" : "2000::c0a8:0226",
+                "routerMac" : "00:00:00:00:02:26",
+                "isEdgeRouter" : false,
+                "adjacencySids" : []
+            },
+            "basic" : {
+                "name": "s226",
+                "driver" : "ofdpa-ovs"
+            }
+        },
+        "of:0000000000000227" : {
+            "segmentrouting" : {
+                "name" : "s227",
+                "ipv4NodeSid" : 227,
+                "ipv4Loopback" : "192.168.0.227",
+                "ipv6NodeSid" : 237,
+                "ipv6Loopback" : "2000::c0a8:0227",
+                "routerMac" : "00:00:00:00:02:27",
+                "isEdgeRouter" : false,
+                "adjacencySids" : []
+            },
+            "basic" : {
+                "name": "s227",
+                "driver" : "ofdpa-ovs"
+            }
+        }
+    },
+    "apps" : {
+        "org.onosproject.dhcprelay" : {
+            "default": [
+                {
+                    "dhcpServerConnectPoint": "of:0000000000000205/9",
+                    "serverIps": ["10.0.3.253", "2000::3fd"]
+                }
+            ]
+        }
+    }
+}
diff --git a/trellis/trellis_duallink.py b/trellis/trellis_duallink.py
new file mode 100755
index 0000000..df0243c
--- /dev/null
+++ b/trellis/trellis_duallink.py
@@ -0,0 +1,128 @@
+#!/usr/bin/python
+
+import sys
+sys.path.append('..')
+from mininet.topo import Topo
+from mininet.net import Mininet
+from mininet.cli import CLI
+from mininet.log import setLogLevel
+from mininet.node import RemoteController, OVSBridge, Host, OVSSwitch
+from mininet.nodelib import NAT
+from ipaddress import ip_network
+from routinglib import BgpRouter
+from routinglib import RoutedHost, RoutedHost6
+from trellislib import DhcpClient, Dhcp6Client, DhcpRelay, DhcpServer, Dhcp6Server
+from functools import partial
+
+class Trellis( Topo ):
+    "Trellis dual-link topology"
+
+    def __init__( self, *args, **kwargs ):
+        Topo.__init__( self, *args, **kwargs )
+
+        # Spines
+        s226 = self.addSwitch('s226', dpid='226')
+        s227 = self.addSwitch('s227', dpid='227')
+
+        # Leaves
+        s204 = self.addSwitch('s204', dpid='204')
+        s205 = self.addSwitch('s205', dpid='205')
+
+        # Switch Links - dual-link
+        self.addLink(s226, s204)
+        self.addLink(s226, s204)
+
+        self.addLink(s226, s205)
+        self.addLink(s226, s205)
+
+        self.addLink(s227, s204)
+        self.addLink(s227, s204)
+
+        self.addLink(s227, s205)
+        self.addLink(s227, s205)
+
+        # NOTE avoid using 10.0.1.0/24 which is the default subnet of quaggas
+        # NOTE avoid using 00:00:00:00:00:xx which is the default mac of host behind upstream router
+        # IPv4 Hosts
+        h1 = self.addHost('h1', cls=DhcpClient, mac='00:aa:00:00:00:01')
+        h2 = self.addHost('h2', cls=DhcpClient, mac='00:aa:00:00:00:02')
+        h3 = self.addHost('h3', cls=DhcpClient, mac='00:aa:00:00:00:03')
+        h4 = self.addHost('h4', cls=DhcpClient, mac='00:aa:00:00:00:04')
+        self.addLink(h1, s204)
+        self.addLink(h2, s204)
+        self.addLink(h3, s205)
+        self.addLink(h4, s205)
+
+        # IPv6 Hosts
+        h1v6 = self.addHost('h1v6', cls=Dhcp6Client, mac='00:bb:00:00:00:01')
+        h2v6 = self.addHost('h2v6', cls=Dhcp6Client, mac='00:bb:00:00:00:02')
+        h3v6 = self.addHost('h3v6', cls=Dhcp6Client, mac='00:bb:00:00:00:03')
+        h4v6 = self.addHost('h4v6', cls=Dhcp6Client, mac='00:bb:00:00:00:04')
+        self.addLink(h1v6, s204)
+        self.addLink(h2v6, s204)
+        self.addLink(h3v6, s205)
+        self.addLink(h4v6, s205)
+
+        # DHCP server
+        dhcp = self.addHost('dhcp', cls=DhcpServer, mac='00:99:00:00:00:01', ips=['10.0.3.253/24'], gateway='10.0.3.254')
+
+        # DHCPv6 server
+        dhcp6 = self.addHost('dhcp6', cls=Dhcp6Server, mac='00:99:66:00:00:01', ips=['2000::3fd/120'], gateway='2000::3ff')
+
+        # Data plane switch (for DHCP servers)
+        cs1 = self.addSwitch('cs1', cls=OVSBridge)
+        self.addLink(cs1, s205)
+        self.addLink(dhcp, cs1)
+        self.addLink(dhcp6, cs1)
+
+        # Control plane switch (for quagga fpm)
+        cs0 = self.addSwitch('cs0', cls=OVSBridge)
+
+        # Control plane NAT (for quagga fpm)
+        nat = self.addHost('nat', cls=NAT,
+                           ip='172.16.0.1/12',
+                           subnet=str(ip_network(u'172.16.0.0/12')), inNamespace=False)
+        self.addLink(cs0, nat)
+
+        # Internal Quagga bgp1
+        intfs = {'bgp1-eth0': {'ipAddrs': ['10.0.1.2/24', '2000::102/120'], 'mac': '00:88:00:00:00:02'},
+                 'bgp1-eth1': {'ipAddrs': ['172.16.0.2/12']}}
+        bgp1 = self.addHost('bgp1', cls=BgpRouter,
+                            interfaces=intfs,
+                            quaggaConfFile='./bgpdbgp1.conf',
+                            zebraConfFile='./zebradbgp1.conf')
+        self.addLink(bgp1, s205)
+        self.addLink(bgp1, cs0)
+
+        # External Quagga r1
+        intfs = {'r1-eth0': {'ipAddrs': ['10.0.1.1/24', '2000::101/120'], 'mac': '00:88:00:00:00:01'},
+                 'r1-eth1': {'ipAddrs': ['10.0.99.1/16']},
+                 'r1-eth2': {'ipAddrs': ['2000::9901/120']}}
+        r1 = self.addHost('r1', cls=BgpRouter,
+                            interfaces=intfs,
+                            quaggaConfFile='./bgpdr1.conf')
+        self.addLink(r1, s205)
+
+        # External IPv4 Host behind r1
+        rh1 = self.addHost('rh1', cls=RoutedHost, ips=['10.0.99.2/24'], gateway='10.0.99.1')
+        self.addLink(r1, rh1)
+
+        # External IPv6 Host behind r1
+        rh1v6 = self.addHost('rh1v6', cls=RoutedHost, ips=['2000::9902/120'], gateway='2000::9901')
+        self.addLink(r1, rh1v6)
+
+topos = { 'trellis' : Trellis }
+
+if __name__ == "__main__":
+    setLogLevel('debug')
+    topo = Trellis()
+
+    switch = partial(OVSSwitch, protocols='OpenFlow13')
+    net = Mininet(topo=topo, controller=None, switch=switch)
+    net.addController(RemoteController('c0', ip='192.168.56.11'))
+    net.addController(RemoteController('c1', ip='192.168.56.12'))
+    net.addController(RemoteController('c2', ip='192.168.56.13'))
+
+    net.start()
+    CLI(net)
+    net.stop()