diff options
Diffstat (limited to 'tests/topotests/zebra_fec_nexthop_resolution')
26 files changed, 812 insertions, 0 deletions
diff --git a/tests/topotests/zebra_fec_nexthop_resolution/__init__.py b/tests/topotests/zebra_fec_nexthop_resolution/__init__.py new file mode 100644 index 00000000..e69de29b --- /dev/null +++ b/tests/topotests/zebra_fec_nexthop_resolution/__init__.py diff --git a/tests/topotests/zebra_fec_nexthop_resolution/r1/bgpd.conf b/tests/topotests/zebra_fec_nexthop_resolution/r1/bgpd.conf new file mode 100644 index 00000000..9d28957d --- /dev/null +++ b/tests/topotests/zebra_fec_nexthop_resolution/r1/bgpd.conf @@ -0,0 +1,24 @@ +! +router bgp 65500 + bgp router-id 192.0.2.1 + neighbor 192.0.2.3 remote-as 65500 + neighbor 192.0.2.3 update-source lo + neighbor 192.0.2.7 remote-as 65500 + neighbor 192.0.2.7 ttl-security hops 10 + neighbor 192.0.2.7 disable-connected-check + neighbor 192.0.2.7 update-source lo + ! + address-family ipv4 unicast + network 192.0.2.1/32 + no neighbor 192.0.2.3 activate + neighbor 192.0.2.7 activate + exit-address-family + ! + address-family ipv4 labeled-unicast + neighbor 192.0.2.3 activate + neighbor 192.0.2.3 route-reflector-client + neighbor 192.0.2.3 next-hop-self force + exit-address-family + ! +exit +! diff --git a/tests/topotests/zebra_fec_nexthop_resolution/r1/ospfd.conf.after b/tests/topotests/zebra_fec_nexthop_resolution/r1/ospfd.conf.after new file mode 100644 index 00000000..3bb8cf8a --- /dev/null +++ b/tests/topotests/zebra_fec_nexthop_resolution/r1/ospfd.conf.after @@ -0,0 +1,25 @@ +log stdout +! +interface lo + ip ospf passive +exit +! +interface r1-eth0 + ip ospf network point-to-point + ip ospf hello-interval 1 +exit +! +router ospf + ospf router-id 192.0.2.1 + network 192.0.2.1/32 area 0.0.0.0 + network 192.168.1.0/24 area 0.0.0.0 + passive-interface lo + capability opaque + mpls-te on + mpls-te router-address 192.0.2.1 + segment-routing on + segment-routing global-block 1000 10000 local-block 32000 32999 + segment-routing node-msd 8 + segment-routing prefix 192.0.2.1/32 index 11 +exit +! diff --git a/tests/topotests/zebra_fec_nexthop_resolution/r1/zebra.conf b/tests/topotests/zebra_fec_nexthop_resolution/r1/zebra.conf new file mode 100644 index 00000000..1522e903 --- /dev/null +++ b/tests/topotests/zebra_fec_nexthop_resolution/r1/zebra.conf @@ -0,0 +1,13 @@ +interface lo + ip address 192.0.2.1/32 + mpls enable +exit +! +interface r1-eth0 + ip address 192.168.1.1/24 + mpls enable + link-params + enable + exit-link-params +exit +! diff --git a/tests/topotests/zebra_fec_nexthop_resolution/r2/bgpd.conf b/tests/topotests/zebra_fec_nexthop_resolution/r2/bgpd.conf new file mode 100644 index 00000000..46d2c9a0 --- /dev/null +++ b/tests/topotests/zebra_fec_nexthop_resolution/r2/bgpd.conf @@ -0,0 +1,23 @@ +router bgp 65500 + bgp router-id 192.0.2.2 + neighbor 192.0.2.1 remote-as 65500 + neighbor 192.0.2.1 update-source lo + neighbor 192.0.2.3 remote-as 65500 + neighbor 192.0.2.3 update-source lo + ! + address-family ipv4 unicast + network 192.0.2.2/32 + no neighbor 192.0.2.1 activate + no neighbor 192.0.2.3 activate + exit-address-family + ! + address-family ipv4 labeled-unicast + neighbor 192.0.2.1 activate + neighbor 192.0.2.1 route-reflector-client + neighbor 192.0.2.1 next-hop-self force + neighbor 192.0.2.3 activate + neighbor 192.0.2.3 route-reflector-client + neighbor 192.0.2.3 next-hop-self force + exit-address-family +exit +! diff --git a/tests/topotests/zebra_fec_nexthop_resolution/r2/isisd.conf b/tests/topotests/zebra_fec_nexthop_resolution/r2/isisd.conf new file mode 100644 index 00000000..add181dd --- /dev/null +++ b/tests/topotests/zebra_fec_nexthop_resolution/r2/isisd.conf @@ -0,0 +1,25 @@ +! +interface lo + ip router isis 1 + isis hello-interval 1 + isis hello-multiplier 3 +exit +! +interface r2-eth1 + ip router isis 2 + isis hello-interval 1 + isis hello-multiplier 3 +exit +! +router isis 1 + is-type level-1 + net 49.0000.0007.e901.2223.00 + lsp-timers gen-interval 1 refresh-interval 900 max-lifetime 1200 + mpls-te on + mpls-te router-address 192.0.2.2 + segment-routing on + segment-routing global-block 11000 20000 local-block 36000 36999 + segment-routing node-msd 8 + segment-routing prefix 192.0.2.2/32 index 22 no-php-flag +exit +! diff --git a/tests/topotests/zebra_fec_nexthop_resolution/r2/ospfd.conf.after b/tests/topotests/zebra_fec_nexthop_resolution/r2/ospfd.conf.after new file mode 100644 index 00000000..8b026698 --- /dev/null +++ b/tests/topotests/zebra_fec_nexthop_resolution/r2/ospfd.conf.after @@ -0,0 +1,32 @@ +log stdout +! +interface lo + ip ospf network point-to-point + ip ospf passive +exit +! +interface r2-eth0 + ip ospf network point-to-point + ip ospf hello-interval 1 +exit +! +interface r2-eth1 + ip ospf network point-to-point + ip ospf hello-interval 1 +exit +! +router ospf + ospf router-id 192.0.2.2 + network 192.0.2.2/32 area 0.0.0.0 + network 192.168.1.0/24 area 0.0.0.0 + network 192.168.2.0/24 area 0.0.0.0 + passive-interface lo + capability opaque + mpls-te on + mpls-te router-address 192.0.2.2 + segment-routing on + segment-routing global-block 1000 10000 local-block 36000 36999 + segment-routing node-msd 8 + segment-routing prefix 192.0.2.2/32 index 22 +exit +! diff --git a/tests/topotests/zebra_fec_nexthop_resolution/r2/zebra.conf b/tests/topotests/zebra_fec_nexthop_resolution/r2/zebra.conf new file mode 100644 index 00000000..af0d1eb7 --- /dev/null +++ b/tests/topotests/zebra_fec_nexthop_resolution/r2/zebra.conf @@ -0,0 +1,16 @@ +! +interface lo + ip address 192.0.2.2/32 + mpls enable +exit +! +interface r2-eth0 + ip address 192.168.1.2/24 + mpls enable +exit +! +interface r2-eth1 + ip address 192.168.2.2/24 + mpls enable +exit +! diff --git a/tests/topotests/zebra_fec_nexthop_resolution/r3/bgpd.conf b/tests/topotests/zebra_fec_nexthop_resolution/r3/bgpd.conf new file mode 100644 index 00000000..060777e7 --- /dev/null +++ b/tests/topotests/zebra_fec_nexthop_resolution/r3/bgpd.conf @@ -0,0 +1,23 @@ +router bgp 65500 + bgp router-id 192.0.2.3 + neighbor 192.0.2.1 remote-as 65500 + neighbor 192.0.2.1 update-source lo + neighbor 192.0.2.5 remote-as 65500 + neighbor 192.0.2.5 update-source lo + ! + address-family ipv4 unicast + network 192.0.2.3/32 + no neighbor 192.0.2.1 activate + no neighbor 192.0.2.5 activate + exit-address-family + ! + address-family ipv4 labeled-unicast + neighbor 192.0.2.1 activate + neighbor 192.0.2.1 route-reflector-client + neighbor 192.0.2.1 next-hop-self force + neighbor 192.0.2.5 activate + neighbor 192.0.2.5 route-reflector-client + neighbor 192.0.2.5 next-hop-self force + exit-address-family +exit +! diff --git a/tests/topotests/zebra_fec_nexthop_resolution/r3/isisd.conf b/tests/topotests/zebra_fec_nexthop_resolution/r3/isisd.conf new file mode 100644 index 00000000..db6a503b --- /dev/null +++ b/tests/topotests/zebra_fec_nexthop_resolution/r3/isisd.conf @@ -0,0 +1,25 @@ +! +interface lo + ip router isis 1 + isis hello-interval 1 + isis hello-multiplier 3 +exit +! +interface r3-eth1 + ip router isis 1 + isis hello-interval 1 + isis hello-multiplier 3 +exit +! +router isis 1 + is-type level-1 + net 49.0000.0007.e901.3333.00 + lsp-timers gen-interval 1 refresh-interval 900 max-lifetime 1200 + mpls-te on + mpls-te router-address 192.0.2.3 + segment-routing on + segment-routing global-block 11000 12000 local-block 36000 36999 + segment-routing node-msd 8 + segment-routing prefix 192.0.2.3/32 index 33 +exit +! diff --git a/tests/topotests/zebra_fec_nexthop_resolution/r3/ospfd.conf.after b/tests/topotests/zebra_fec_nexthop_resolution/r3/ospfd.conf.after new file mode 100644 index 00000000..a3f5ae54 --- /dev/null +++ b/tests/topotests/zebra_fec_nexthop_resolution/r3/ospfd.conf.after @@ -0,0 +1,26 @@ +log stdout +! +interface lo + ip ospf network point-to-point + ip ospf passive +exit +! +interface r3-eth0 + ip ospf network point-to-point + ip ospf hello-interval 1 +exit +! +router ospf + ospf router-id 192.0.2.3 + network 192.0.2.3/32 area 0.0.0.0 + network 192.168.2.0/24 area 0.0.0.0 + passive-interface lo + capability opaque + mpls-te on + mpls-te router-address 192.0.2.3 + segment-routing on + segment-routing global-block 1000 10000 local-block 30000 30999 + segment-routing node-msd 8 + segment-routing prefix 192.0.2.3/32 index 33 +exit +! diff --git a/tests/topotests/zebra_fec_nexthop_resolution/r3/zebra.conf b/tests/topotests/zebra_fec_nexthop_resolution/r3/zebra.conf new file mode 100644 index 00000000..b309e15a --- /dev/null +++ b/tests/topotests/zebra_fec_nexthop_resolution/r3/zebra.conf @@ -0,0 +1,19 @@ +! +interface lo + ip address 192.0.2.3/32 + mpls enable +exit +! +interface r3-eth0 + ip address 192.168.2.3/24 + mpls enable + link-params + enable + exit-link-params +exit +! +interface r3-eth1 + ip address 192.168.3.3/24 + mpls enable +exit +! diff --git a/tests/topotests/zebra_fec_nexthop_resolution/r4/bgpd.conf b/tests/topotests/zebra_fec_nexthop_resolution/r4/bgpd.conf new file mode 100644 index 00000000..dc052da8 --- /dev/null +++ b/tests/topotests/zebra_fec_nexthop_resolution/r4/bgpd.conf @@ -0,0 +1,24 @@ +! +router bgp 65500 + bgp router-id 192.0.2.4 + neighbor 192.0.2.1 remote-as 65500 + neighbor 192.0.2.1 ttl-security hops 10 + neighbor 192.0.2.1 disable-connected-check + neighbor 192.0.2.1 update-source lo + neighbor 192.0.2.3 remote-as 65500 + neighbor 192.0.2.3 update-source lo + ! + address-family ipv4 unicast + network 192.0.2.4/32 + neighbor 192.0.2.1 activate + no neighbor 192.0.2.3 activate + exit-address-family + ! + address-family ipv4 labeled-unicast + neighbor 192.0.2.3 activate + neighbor 192.0.2.3 route-reflector-client + neighbor 192.0.2.3 next-hop-self force + exit-address-family + ! +exit +! diff --git a/tests/topotests/zebra_fec_nexthop_resolution/r4/isisd.conf b/tests/topotests/zebra_fec_nexthop_resolution/r4/isisd.conf new file mode 100644 index 00000000..7096ce08 --- /dev/null +++ b/tests/topotests/zebra_fec_nexthop_resolution/r4/isisd.conf @@ -0,0 +1,31 @@ +! +interface lo + ip router isis 1 + isis hello-interval 1 + isis hello-multiplier 3 +exit +! +interface r4-eth0 + ip router isis 1 + isis hello-interval 1 + isis hello-multiplier 3 +exit +! +interface r4-eth1 + ip router isis 1 + isis hello-interval 1 + isis hello-multiplier 3 +exit +! +router isis 1 + is-type level-1 + net 49.0000.0007.e901.4444.00 + lsp-timers gen-interval 1 refresh-interval 900 max-lifetime 1200 + mpls-te on + mpls-te router-address 192.0.2.4 + segment-routing on + segment-routing global-block 11000 12000 local-block 37000 37999 + segment-routing node-msd 8 + segment-routing prefix 192.0.2.4/32 index 44 +exit +! diff --git a/tests/topotests/zebra_fec_nexthop_resolution/r4/ospfd.conf b/tests/topotests/zebra_fec_nexthop_resolution/r4/ospfd.conf new file mode 100644 index 00000000..c1600496 --- /dev/null +++ b/tests/topotests/zebra_fec_nexthop_resolution/r4/ospfd.conf @@ -0,0 +1,19 @@ +! +interface lo + ip ospf area 0 + ip ospf passive +exit +! +interface r4-eth0 + ip ospf area 0 +exit +! +router ospf + mpls-te on + mpls-te router-address 192.0.2.4 + segment-routing on + segment-routing global-block 21000 29000 local-block 31000 31999 + segment-routing node-msd 8 + segment-routing prefix 192.0.2.4/32 index 44 no-php-flag +exit +! diff --git a/tests/topotests/zebra_fec_nexthop_resolution/r4/zebra.conf b/tests/topotests/zebra_fec_nexthop_resolution/r4/zebra.conf new file mode 100644 index 00000000..85910479 --- /dev/null +++ b/tests/topotests/zebra_fec_nexthop_resolution/r4/zebra.conf @@ -0,0 +1,16 @@ +! +interface lo + ip address 192.0.2.4/32 + mpls enable +exit +! +interface r4-eth0 + ip address 192.168.3.4/24 + mpls enable +exit +! +interface r4-eth1 + ip address 192.168.4.4/24 + mpls enable +exit +! diff --git a/tests/topotests/zebra_fec_nexthop_resolution/r5/bgpd.conf b/tests/topotests/zebra_fec_nexthop_resolution/r5/bgpd.conf new file mode 100644 index 00000000..1c73154e --- /dev/null +++ b/tests/topotests/zebra_fec_nexthop_resolution/r5/bgpd.conf @@ -0,0 +1,23 @@ +router bgp 65500 + bgp router-id 192.0.2.5 + neighbor 192.0.2.3 remote-as 65500 + neighbor 192.0.2.3 update-source lo + neighbor 192.0.2.7 remote-as 65500 + neighbor 192.0.2.7 update-source lo + ! + address-family ipv4 unicast + network 192.0.2.5/32 + no neighbor 192.0.2.3 activate + no neighbor 192.0.2.7 activate + exit-address-family + ! + address-family ipv4 labeled-unicast + neighbor 192.0.2.3 activate + neighbor 192.0.2.3 route-reflector-client + neighbor 192.0.2.3 next-hop-self force + neighbor 192.0.2.7 activate + neighbor 192.0.2.7 route-reflector-client + neighbor 192.0.2.7 next-hop-self force + exit-address-family +exit +! diff --git a/tests/topotests/zebra_fec_nexthop_resolution/r5/isisd.conf b/tests/topotests/zebra_fec_nexthop_resolution/r5/isisd.conf new file mode 100644 index 00000000..959d5be2 --- /dev/null +++ b/tests/topotests/zebra_fec_nexthop_resolution/r5/isisd.conf @@ -0,0 +1,26 @@ +! +interface lo + ip router isis 1 + isis hello-interval 1 + isis hello-multiplier 3 + isis passive +exit +! +interface r5-eth0 + ip router isis 1 + isis hello-interval 1 + isis hello-multiplier 3 +exit +! +router isis 1 + is-type level-1 + net 49.0000.0007.e901.5555.00 + lsp-timers gen-interval 1 refresh-interval 900 max-lifetime 1200 + mpls-te on + mpls-te router-address 192.0.2.5 + segment-routing on + segment-routing global-block 11000 12000 local-block 33000 33999 + segment-routing node-msd 8 + segment-routing prefix 192.0.2.5/32 index 55 +exit +! diff --git a/tests/topotests/zebra_fec_nexthop_resolution/r5/ospfd.conf.after b/tests/topotests/zebra_fec_nexthop_resolution/r5/ospfd.conf.after new file mode 100644 index 00000000..868129f8 --- /dev/null +++ b/tests/topotests/zebra_fec_nexthop_resolution/r5/ospfd.conf.after @@ -0,0 +1,26 @@ +log stdout +! +interface lo + ip ospf network point-to-point + ip ospf passive +exit +! +interface r5-eth1 + ip ospf network point-to-point + ip ospf hello-interval 1 +exit +! +router ospf + ospf router-id 192.0.2.5 + network 192.0.2.5/32 area 0.0.0.0 + network 192.168.5.0/24 area 0.0.0.0 + passive-interface lo + capability opaque + mpls-te on + mpls-te router-address 192.0.2.5 + segment-routing on + segment-routing global-block 21000 22000 local-block 35000 35999 + segment-routing node-msd 8 + segment-routing prefix 192.0.2.5/32 index 55 +exit +! diff --git a/tests/topotests/zebra_fec_nexthop_resolution/r5/zebra.conf b/tests/topotests/zebra_fec_nexthop_resolution/r5/zebra.conf new file mode 100644 index 00000000..dd519e8d --- /dev/null +++ b/tests/topotests/zebra_fec_nexthop_resolution/r5/zebra.conf @@ -0,0 +1,19 @@ +! +interface lo + ip address 192.0.2.5/32 + mpls enable +exit +! +interface r5-eth0 + ip address 192.168.4.5/24 + mpls enable +exit +! +interface r5-eth1 + ip address 192.168.5.5/24 + mpls enable + link-params + enable + exit-link-params +exit +! diff --git a/tests/topotests/zebra_fec_nexthop_resolution/r6/ospfd.conf.after b/tests/topotests/zebra_fec_nexthop_resolution/r6/ospfd.conf.after new file mode 100644 index 00000000..60c4928f --- /dev/null +++ b/tests/topotests/zebra_fec_nexthop_resolution/r6/ospfd.conf.after @@ -0,0 +1,32 @@ +log stdout +! +interface lo + ip ospf network point-to-point + ip ospf passive +exit +! +interface r6-eth0 + ip ospf network point-to-point + ip ospf hello-interval 1 +exit +! +interface r6-eth1 + ip ospf network point-to-point + ip ospf hello-interval 1 +exit +! +router ospf + ospf router-id 192.0.2.6 + segment-routing on + segment-routing global-block 21000 22000 local-block 38000 38999 + network 192.0.2.6/32 area 0.0.0.0 + network 192.168.5.0/24 area 0.0.0.0 + network 192.168.6.0/24 area 0.0.0.0 + passive-interface lo + capability opaque + mpls-te on + mpls-te router-address 192.0.2.6 + segment-routing node-msd 8 + segment-routing prefix 192.0.2.6/32 index 66 +exit +! diff --git a/tests/topotests/zebra_fec_nexthop_resolution/r6/zebra.conf b/tests/topotests/zebra_fec_nexthop_resolution/r6/zebra.conf new file mode 100644 index 00000000..5e16e3e4 --- /dev/null +++ b/tests/topotests/zebra_fec_nexthop_resolution/r6/zebra.conf @@ -0,0 +1,22 @@ +! +interface lo + ip address 192.0.2.6/32 + mpls enable +exit +! +interface r6-eth0 + ip address 192.168.5.6/24 + mpls enable + link-params + enable + exit-link-params +exit +! +interface r6-eth1 + ip address 192.168.6.6/24 + mpls enable + link-params + enable + exit-link-params +exit +! diff --git a/tests/topotests/zebra_fec_nexthop_resolution/r7/bgpd.conf b/tests/topotests/zebra_fec_nexthop_resolution/r7/bgpd.conf new file mode 100644 index 00000000..eeda9d9c --- /dev/null +++ b/tests/topotests/zebra_fec_nexthop_resolution/r7/bgpd.conf @@ -0,0 +1,24 @@ +! +router bgp 65500 + bgp router-id 192.0.2.7 + neighbor 192.0.2.1 remote-as 65500 + neighbor 192.0.2.1 ttl-security hops 10 + neighbor 192.0.2.1 disable-connected-check + neighbor 192.0.2.1 update-source lo + neighbor 192.0.2.5 remote-as 65500 + neighbor 192.0.2.5 update-source lo + ! + address-family ipv4 unicast + network 192.0.2.7/32 + neighbor 192.0.2.1 activate + no neighbor 192.0.2.5 activate + exit-address-family + ! + address-family ipv4 labeled-unicast + neighbor 192.0.2.5 activate + neighbor 192.0.2.5 route-reflector-client + neighbor 192.0.2.5 next-hop-self force + exit-address-family + ! +exit +! diff --git a/tests/topotests/zebra_fec_nexthop_resolution/r7/ospfd.conf.after b/tests/topotests/zebra_fec_nexthop_resolution/r7/ospfd.conf.after new file mode 100644 index 00000000..f8e56e12 --- /dev/null +++ b/tests/topotests/zebra_fec_nexthop_resolution/r7/ospfd.conf.after @@ -0,0 +1,26 @@ +log stdout +! +interface lo + ip ospf network point-to-point + ip ospf passive +exit +! +interface r7-eth0 + ip ospf network point-to-point + ip ospf hello-interval 1 +exit +! +router ospf + ospf router-id 192.0.2.7 + network 192.0.2.7/32 area 0.0.0.0 + network 192.168.6.0/24 area 0.0.0.0 + passive-interface lo + capability opaque + mpls-te on + mpls-te router-address 192.0.2.7 + segment-routing on + segment-routing global-block 21000 22000 local-block 31000 31999 + segment-routing node-msd 8 + segment-routing prefix 192.0.2.7/32 index 77 +exit +! diff --git a/tests/topotests/zebra_fec_nexthop_resolution/r7/zebra.conf b/tests/topotests/zebra_fec_nexthop_resolution/r7/zebra.conf new file mode 100644 index 00000000..f5202254 --- /dev/null +++ b/tests/topotests/zebra_fec_nexthop_resolution/r7/zebra.conf @@ -0,0 +1,14 @@ +! +interface lo + ip address 192.0.2.7/32 + mpls enable +exit +! +interface r7-eth0 + ip address 192.168.6.7/24 + mpls enable + link-params + enable + exit-link-params +exit +! diff --git a/tests/topotests/zebra_fec_nexthop_resolution/test_zebra_fec_nexthop_resolution.py b/tests/topotests/zebra_fec_nexthop_resolution/test_zebra_fec_nexthop_resolution.py new file mode 100644 index 00000000..984ff3c1 --- /dev/null +++ b/tests/topotests/zebra_fec_nexthop_resolution/test_zebra_fec_nexthop_resolution.py @@ -0,0 +1,259 @@ +#!/usr/bin/env python + +# +# Copyright 2022 6WIND S.A. +# +# Permission to use, copy, modify, and/or distribute this software +# for any purpose with or without fee is hereby granted, provided +# that the above copyright notice and this permission notice appear +# in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NETDEF DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NETDEF BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY +# DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, +# WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS +# ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE +# OF THIS SOFTWARE. +# + +""" +Check if fec nexthop resolution works correctly. +""" + +import os +import sys +import json +import pytest +import functools + +CWD = os.path.dirname(os.path.realpath(__file__)) +sys.path.append(os.path.join(CWD, "../")) + +# pylint: disable=C0413 +from lib import topotest +from lib.topogen import Topogen, TopoRouter, get_topogen +from lib.common_config import step + +pytestmark = [pytest.mark.bgpd] + + +def build_topo(tgen): + """ + r1 ---- r2 ---- r3 ---- r4 ----- r5 ---- r6 ---- r7 + <--- ospf ----> <---- isis -----> <--- ospf ----> + """ + for routern in range(1, 8): + tgen.add_router("r{}".format(routern)) + + switch1 = tgen.add_switch("s1") + switch1.add_link(tgen.gears["r1"]) + switch1.add_link(tgen.gears["r2"]) + + switch2 = tgen.add_switch("s2") + switch2.add_link(tgen.gears["r2"]) + switch2.add_link(tgen.gears["r3"]) + + switch3 = tgen.add_switch("s3") + switch3.add_link(tgen.gears["r3"]) + switch3.add_link(tgen.gears["r4"]) + + switch4 = tgen.add_switch("s4") + switch4.add_link(tgen.gears["r4"]) + switch4.add_link(tgen.gears["r5"]) + + switch5 = tgen.add_switch("s5") + switch5.add_link(tgen.gears["r5"]) + switch5.add_link(tgen.gears["r6"]) + + switch6 = tgen.add_switch("s6") + switch6.add_link(tgen.gears["r6"]) + switch6.add_link(tgen.gears["r7"]) + + +def setup_module(mod): + tgen = Topogen(build_topo, mod.__name__) + tgen.start_topology() + + router_list = tgen.routers() + + def _enable_mpls_misc(router): + router.run("modprobe mpls_router") + router.run("echo 100000 > /proc/sys/net/mpls/platform_labels") + router.run("echo 1 > /proc/sys/net/mpls/conf/lo/input") + + router = tgen.gears["r1"] + _enable_mpls_misc(router) + + router = tgen.gears["r2"] + _enable_mpls_misc(router) + + router = tgen.gears["r3"] + _enable_mpls_misc(router) + + router = tgen.gears["r4"] + _enable_mpls_misc(router) + + router = tgen.gears["r5"] + _enable_mpls_misc(router) + + router = tgen.gears["r6"] + _enable_mpls_misc(router) + + router = tgen.gears["r7"] + _enable_mpls_misc(router) + + for i, (rname, router) in enumerate(router_list.items(), 1): + router.load_config( + TopoRouter.RD_ZEBRA, os.path.join(CWD, "{}/zebra.conf".format(rname)) + ) + if rname in ("r1", "r3", "r5", "r7"): + router.load_config( + TopoRouter.RD_BGP, os.path.join(CWD, "{}/bgpd.conf".format(rname)) + ) + if rname in ("r3", "r4", "r5"): + router.load_config( + TopoRouter.RD_ISIS, os.path.join(CWD, "{}/isisd.conf".format(rname)) + ) + if rname in ("r1", "r2", "r3", "r5", "r6", "r7"): + router.load_config( + TopoRouter.RD_OSPF, os.path.join(CWD, "{}/ospfd.conf".format(rname)) + ) + + tgen.start_router() + + +def teardown_module(mod): + tgen = get_topogen() + tgen.stop_topology() + + +# There are some startup issued when initialising OSPF +# To avoid those issues, load the ospf configuration after zebra started +def test_zebra_fec_nexthop_resolution_finalise_ospf_config(): + tgen = get_topogen() + + if tgen.routers_have_failure(): + pytest.skip(tgen.errors) + + topotest.sleep(2) + + tgen.net["r1"].cmd("vtysh -f {}/r1/ospfd.conf.after".format(CWD)) + tgen.net["r2"].cmd("vtysh -f {}/r2/ospfd.conf.after".format(CWD)) + tgen.net["r3"].cmd("vtysh -f {}/r3/ospfd.conf.after".format(CWD)) + tgen.net["r5"].cmd("vtysh -f {}/r5/ospfd.conf.after".format(CWD)) + tgen.net["r6"].cmd("vtysh -f {}/r6/ospfd.conf.after".format(CWD)) + tgen.net["r7"].cmd("vtysh -f {}/r7/ospfd.conf.after".format(CWD)) + + +def test_zebra_fec_nexthop_resolution_bgp(): + tgen = get_topogen() + + if tgen.routers_have_failure(): + pytest.skip(tgen.errors) + + def _check_bgp_session(): + r1 = tgen.gears["r1"] + + tgen.gears["r3"].vtysh_cmd("config \n no mpls fec nexthop-resolution \n end") + tgen.gears["r3"].vtysh_cmd("config \n mpls fec nexthop-resolution \n end") + tgen.gears["r5"].vtysh_cmd("config \n no mpls fec nexthop-resolution \n end") + tgen.gears["r5"].vtysh_cmd("config \n mpls fec nexthop-resolution \n end") + output = json.loads(r1.vtysh_cmd("show bgp summary json")) + + if output["ipv4Unicast"]["peers"]["192.0.2.7"]["state"] == "Established": + return None + return False + + test_func1 = functools.partial(_check_bgp_session) + _, result1 = topotest.run_and_expect(test_func1, None, count=60, wait=0.5) + assert result1 is None, "Failed to verify the fec_nexthop_resolution: bgp session" + + +def test_zebra_fec_nexthop_resolution_ping(): + tgen = get_topogen() + + if tgen.routers_have_failure(): + pytest.skip(tgen.errors) + + def _check_ping_launch(): + r1 = tgen.gears["r1"] + + ping_launch = "ping 192.0.2.7 -I 192.0.2.1 -c 1" + selected_lines = r1.run(ping_launch).splitlines()[-2:-1] + rtx_stats = "".join(selected_lines[0].split(",")[0:3]) + current = topotest.normalize_text(rtx_stats) + + expected_stats = "1 packets transmitted 1 received 0% packet loss" + expected = topotest.normalize_text(expected_stats) + + if current == expected: + return None + + return False + + test_func2 = functools.partial(_check_ping_launch) + _, result2 = topotest.run_and_expect(test_func2, None, count=60, wait=1) + assert result2 is None, "Failed to verify the fec_nexthop_resolution: ping" + + +def test_zebra_fec_nexthop_resolution_table(): + tgen = get_topogen() + + if tgen.routers_have_failure(): + pytest.skip(tgen.errors) + + def _zebra_check_mpls_table(): + r3 = tgen.gears["r3"] + inLabel = 0 + outLabels = 0 + + """ + Retrieve inLabel from MPLS FEC table + """ + mpls_fec = r3.vtysh_cmd("show mpls fec 192.0.2.7/32") + lines = mpls_fec.split("\n") + for line in lines: + if "Label" in line: + inLabel = line.split(": ", 1)[1] + + """ + Retrieve outLabel from BGP + """ + output = json.loads(r3.vtysh_cmd("show ip route 192.0.2.7/32 json")) + + outLabels = output["192.0.2.7/32"][0]["nexthops"][1]["labels"] + + if (inLabel == 0) or (outLabels == 0): + return True + + """ + Compare expected data with real data + """ + output = json.loads(r3.vtysh_cmd("show mpls table " + str(inLabel) + " json")) + + expected = { + "inLabel": int(inLabel), + "installed": True, + "nexthops": [ + { + "type": "BGP", + "outLabel": outLabels[0], + "outLabelStack": outLabels, + "distance": 20, + "installed": True, + "nexthop": "192.168.3.4", + } + ], + } + return topotest.json_cmp(output, expected) + + test_func3 = functools.partial(_zebra_check_mpls_table) + _, result3 = topotest.run_and_expect(test_func3, None, count=60, wait=0.5) + assert result3 is None, "Failed to verify the fec_nexthop_resolution: mpls table" + + +if __name__ == "__main__": + args = ["-s"] + sys.argv[1:] + sys.exit(pytest.main(args)) |