topotests: Adding a test to control release of BGP labels

Signed-off-by: Varun Hegde <varuntumbe1@gmail.com>

tests/topotests/bgp_vpnv4_ebgp_vpn_auto/r1/bgp_ipv4_vpn_routes.json

@@ -0,0 +1,63 @@
+{
+    "vrfId":9,
+    "vrfName":"vrf1",
+    "tableVersion":2,
+    "routerId":"192.0.2.1",
+    "defaultLocPrf":100,
+    "localAS":65500,
+    "routes":{
+       "173.31.0.1/32":[
+          {
+             "valid":true,
+             "bestpath":true,
+             "selectionReason":"First path received",
+             "pathFrom":"external",
+             "prefix":"173.31.0.1",
+             "prefixLen":32,
+             "network":"173.31.0.1/32",
+             "version":2,
+             "metric":0,
+             "weight":0,
+             "peerId":"(unspec)",
+             "path":"65501",
+             "origin":"incomplete",
+             "announceNexthopSelf":true,
+             "nhVrfName":"default",
+             "nhVrfId":0,
+             "nexthops":[
+                {
+                   "ip":"192.168.0.2",
+                   "hostname":"r1",
+                   "afi":"ipv4",
+                   "used":true
+                }
+             ]
+          }
+       ],
+       "173.31.1.1/32":[
+          {
+             "valid":true,
+             "bestpath":true,
+             "selectionReason":"First path received",
+             "pathFrom":"external",
+             "prefix":"173.31.1.1",
+             "prefixLen":32,
+             "network":"173.31.1.1/32",
+             "version":1,
+             "metric":0,
+             "weight":32768,
+             "peerId":"(unspec)",
+             "path":"",
+             "origin":"incomplete",
+             "nexthops":[
+                {
+                   "ip":"0.0.0.0",
+                   "hostname":"r1",
+                   "afi":"ipv4",
+                   "used":true
+                }
+             ]
+          }
+       ]
+    }
+ }

tests/topotests/bgp_vpnv4_ebgp_vpn_auto/r1/bgpd.conf

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+bgp route-map delay-timer 1
+router bgp 65500
+ bgp router-id 192.0.2.1
+ no bgp ebgp-requires-policy
+ neighbor 192.168.0.2 remote-as 65501
+ address-family ipv4 unicast
+  no neighbor 192.168.0.2 activate
+ exit-address-family
+ address-family ipv4 vpn
+  neighbor 192.168.0.2 activate
+ exit-address-family
+!
+router bgp 65500 vrf vrf1
+ bgp router-id 192.0.2.1
+ address-family ipv4 unicast
+  redistribute connected
+  label vpn export auto
+  rd vpn export 445:1
+  rt vpn both 53:1
+  export vpn
+  import vpn
+ exit-address-family
+!
+router bgp 65500 vrf vrf2
+ bgp router-id 192.0.2.1
+ address-family ipv4 unicast
+  redistribute connected
+  label vpn export auto
+  rd vpn export 445:2
+  rt vpn both 53:2
+  export vpn
+  import vpn
+ exit-address-family
+!
+router bgp 65500 vrf vrf3
+ bgp router-id 192.0.2.1
+ address-family ipv4 unicast
+  redistribute connected
+  label vpn export auto
+  rd vpn export 445:3
+  rt vpn both 53:3
+  export vpn
+  import vpn
+ exit-address-family
+!
+router bgp 65500 vrf vrf4
+ bgp router-id 192.0.2.1
+ address-family ipv4 unicast
+  redistribute connected
+  label vpn export auto
+  rd vpn export 445:4
+  rt vpn both 53:4
+  export vpn
+  import vpn
+ exit-address-family
+!
+router bgp 65500 vrf vrf5
+ bgp router-id 192.0.2.1
+ address-family ipv4 unicast
+  redistribute connected
+  label vpn export auto
+  rd vpn export 445:5
+  rt vpn both 53:5
+  export vpn
+  import vpn
+ exit-address-family
+!
+
+interface r1-eth0
+ mpls bgp forwarding
+!

tests/topotests/bgp_vpnv4_ebgp_vpn_auto/r1/ldpd.conf

@@ -0,0 +1,24 @@
+hostname r1
+log file ldpd.log
+!
+! debug mpls ldp zebra
+! debug mpls ldp event
+! debug mpls ldp errors
+! debug mpls ldp messages recv
+! debug mpls ldp messages sent
+! debug mpls ldp discovery hello recv
+! debug mpls ldp discovery hello sent
+!
+mpls ldp
+ router-id 11.11.11.11
+ !
+ address-family ipv4
+  discovery transport-address 11.11.11.11
+  !
+  interface r1-eth6
+  exit
+  !
+ exit-address-family
+ !
+exit
+!

tests/topotests/bgp_vpnv4_ebgp_vpn_auto/r1/ospfd.conf

@@ -0,0 +1,7 @@
+router ospf
+ ospf router-id 11.11.11.11
+ network 193.170.0.0/24 area 0.0.0.0
+ network 11.11.11.11/32 area 0.0.0.0
+ redistribute connected
+exit
+!

tests/topotests/bgp_vpnv4_ebgp_vpn_auto/r1/zebra.conf

@@ -0,0 +1,27 @@
+log stdout
+interface r1-eth1 vrf vrf1
+ ip address 173.31.1.1/32
+!
+interface r1-eth2 vrf vrf2
+ ip address 173.31.1.2/32
+!
+interface r1-eth3 vrf vrf3
+ ip address 173.31.1.3/32
+!
+interface r1-eth4 vrf vrf4
+ ip address 173.31.1.4/32
+!
+interface r1-eth5 vrf vrf5
+ ip address 173.31.1.5/32
+!
+
+interface r1-eth0
+ ip address 192.168.0.1/24
+!
+
+interface r1-eth6
+ ip address 193.170.0.1/24
+
+interface lo
+ ip address 11.11.11.11/32
+!

tests/topotests/bgp_vpnv4_ebgp_vpn_auto/r2/bgpd.conf

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+router bgp 65501
+ bgp router-id 192.0.2.2
+ no bgp ebgp-requires-policy
+ neighbor 192.168.0.1 remote-as 65500
+ address-family ipv4 unicast
+  no neighbor 192.168.0.1 activate
+ exit-address-family
+ address-family ipv4 vpn
+  neighbor 192.168.0.1 activate
+ exit-address-family
+!
+router bgp 65501 vrf vrf1
+ bgp router-id 192.0.2.2
+ address-family ipv4 unicast
+  redistribute connected
+  label vpn export auto
+  rd vpn export 445:1
+  rt vpn both 53:1
+  export vpn
+  import vpn
+ exit-address-family
+!
+router bgp 65501 vrf vrf2
+ bgp router-id 192.0.2.2
+ address-family ipv4 unicast
+  redistribute connected
+  label vpn export auto
+  rd vpn export 445:2
+  rt vpn both 53:2
+  export vpn
+  import vpn
+ exit-address-family
+!
+router bgp 65501 vrf vrf3
+ bgp router-id 192.0.2.2
+ address-family ipv4 unicast
+  redistribute connected
+  label vpn export auto
+  rd vpn export 445:3
+  rt vpn both 53:3
+  export vpn
+  import vpn
+ exit-address-family
+!
+router bgp 65501 vrf vrf4
+ bgp router-id 192.0.2.2
+ address-family ipv4 unicast
+  redistribute connected
+  label vpn export auto
+  rd vpn export 445:4
+  rt vpn both 53:4
+  export vpn
+  import vpn
+ exit-address-family
+!
+router bgp 65501 vrf vrf5
+ bgp router-id 192.0.2.2
+ address-family ipv4 unicast
+  redistribute connected
+  label vpn export auto
+  rd vpn export 445:5
+  rt vpn both 53:5
+  export vpn
+  import vpn
+ exit-address-family
+!
+
+interface r2-eth0
+ mpls bgp forwarding
+!

tests/topotests/bgp_vpnv4_ebgp_vpn_auto/r2/zebra.conf

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+log stdout
+interface r2-eth1 vrf vrf1
+ ip address 173.31.0.1/32
+!
+interface r2-eth2 vrf vrf2
+ ip address 173.31.0.2/32
+!
+interface r2-eth3 vrf vrf3
+ ip address 173.31.0.3/32
+!
+interface r2-eth4 vrf vrf4
+ ip address 173.31.0.4/32
+!
+interface r2-eth5 vrf vrf5
+ ip address 173.31.0.5/32
+!
+
+
+interface r2-eth0
+ ip address 192.168.0.2/24
+!

tests/topotests/bgp_vpnv4_ebgp_vpn_auto/r3/ldpd.conf

@@ -0,0 +1,24 @@
+hostname r3
+log file ldpd.log
+!
+! debug mpls ldp zebra
+! debug mpls ldp event
+! debug mpls ldp errors
+! debug mpls ldp messages recv
+! debug mpls ldp messages sent
+! debug mpls ldp discovery hello recv
+! debug mpls ldp discovery hello sent
+!
+mpls ldp
+ router-id 33.33.33.33
+ !
+ address-family ipv4
+  discovery transport-address 33.33.33.33
+  !
+  interface r3-eth0
+  exit
+  !
+ exit-address-family
+ !
+exit
+!

tests/topotests/bgp_vpnv4_ebgp_vpn_auto/r3/ospfd.conf

@@ -0,0 +1,7 @@
+router ospf
+ ospf router-id 33.33.33.33
+ network 193.170.0.0/24 area 0.0.0.0
+ network 33.33.33.33/32 area 0.0.0.0
+ redistribute connected
+exit
+!

tests/topotests/bgp_vpnv4_ebgp_vpn_auto/r3/zebra.conf

@@ -0,0 +1,18 @@
+log stdout
+interface r3-eth0
+ ip address 193.170.0.2/24
+!
+
+interface lo
+ ip address 33.33.33.33/32
+!
+
+
+interface r3-eth1
+ ip address 180.170.0.2/32
+!
+
+
+interface r3-eth2
+ ip address 180.170.0.3/32
+!