+++ /dev/null
-mpls label dynamic-block 1000 1048575
-!
-interface lo
- ip address 192.168.0.1/32
- ipv6 address 3fff::192:168:0:1/128
-!
-interface eth-rr1
- ip address 10.0.1.1/24
-!
-interface eth-ce1
- ip address 172.16.1.1/24
- ipv6 address 3fff:1::1/64
-!
-router bgp 65000
- bgp router-id 192.168.0.1
- no bgp ebgp-requires-policy
- no bgp default ipv4-unicast
- neighbor 192.168.0.101 remote-as 65000
- neighbor 192.168.0.101 bfd profile BGP
- neighbor 192.168.0.101 update-source 192.168.0.1
- neighbor 3fff::192:168:0:101 remote-as 65000
- neighbor 3fff::192:168:0:101 bfd profile BGP
- neighbor 3fff::192:168:0:101 update-source 3fff::192:168:0:1
-
-!
- address-family ipv4 unicast
- no neighbor 192.168.0.101 activate
- exit-address-family
-!
- address-family ipv4 vpn
- neighbor 192.168.0.101 activate
- neighbor 192.168.0.101 soft-reconfiguration inbound
- exit-address-family
-!
- address-family ipv6 vpn
- neighbor 3fff::192:168:0:101 activate
- neighbor 3fff::192:168:0:101 soft-reconfiguration inbound
- exit-address-family
-!
-router bgp 65000 vrf RED
- bgp router-id 192.168.0.1
- no bgp ebgp-requires-policy
- bgp bestpath compare-routerid
- neighbor 172.16.1.254 remote-as external
- neighbor 172.16.1.254 bfd profile BGP
- neighbor 3fff:1::ff remote-as external
- neighbor 3fff:1::ff bfd profile BGP
- !
- address-family ipv4 unicast
- label vpn export 100
- rd vpn export 65000:100
- rt vpn both 65000:100
- export vpn
- import vpn
- neighbor 172.16.1.254 next-hop-self
- no neighbor 3fff:1::ff activate
- exit-address-family
-!
- address-family ipv6 unicast
- label vpn export 200
- rd vpn export 65000:100
- rt vpn both 65000:100
- export vpn
- import vpn
- neighbor 3fff:1::ff activate
- neighbor 3fff:1::ff next-hop-self
- exit-address-family
-exit
-!
-interface lo
- ip router isis 1
- isis hello-interval 2
- ipv6 router isis 1
-!
-interface eth-rr1
- ip router isis 1
- isis hello-interval 2
- ipv6 router isis 1
-!
-router isis 1
- lsp-gen-interval 2
- net 10.0000.0000.0000.0000.0000.0000.0000.0000.0001.00
- metric-style wide
- exit
-!
-mpls ldp
- router-id 192.168.0.1
- !
- address-family ipv4
- discovery transport-address 192.168.0.1
- !
- interface eth-rr1
- !
- address-family ipv6
- discovery transport-address 3fff::192:168:0:1
- !
- interface eth-rr1
- !
- !
-!
-bfd
- profile BGP
- transmit-interval 2000
- receive-interval 2000
- exit
- !
-exit
+++ /dev/null
-#!/usr/bin/env python
-# SPDX-License-Identifier: ISC
-
-
-"""
-Test BGP hidden
-See https://github.com/FRRouting/frr/commit/4d0e7a49cf8d4311a485281fa50bbff6ee8ca6cc
-"""
-
-import os
-import sys
-import re
-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.topolog import logger
-from lib.topogen import Topogen, TopoRouter, get_topogen
-from lib.common_config import step
-
-
-pytestmark = [pytest.mark.bgpd, pytest.mark.bfdd, pytest.mark.isisd, pytest.mark.ldpd]
-
-
-def build_topo(tgen):
- """
- +---+ +---+ +---+
- |ce1|---|pe1|---|rr1|
- +---+ +---+ +---+
-"""
-
- def connect_routers(tgen, left, right):
- for rname in [left, right]:
- if rname not in tgen.routers().keys():
- tgen.add_router(rname)
-
- switch = tgen.add_switch("s-{}-{}".format(left, right))
- switch.add_link(tgen.gears[left], nodeif="eth-{}".format(right))
- switch.add_link(tgen.gears[right], nodeif="eth-{}".format(left))
- if "ce" not in right and "ce" not in left:
- tgen.gears[left].cmd(f"sysctl net.mpls.conf.eth-{right}.input=1")
- tgen.gears[right].cmd(f"sysctl net.mpls.conf.eth-{left}.input=1")
-
- def connect_switchs(tgen, rname, switch):
- if rname not in tgen.routers().keys():
- tgen.add_router(rname)
-
- switch.add_link(tgen.gears[rname], nodeif="eth-{}".format(switch.name))
-
- def connect_lan(tgen, rname):
- if rname not in tgen.routers().keys():
- tgen.add_router(rname)
-
- # Extra LAN interfaces. Not used for communication with hosts, just to
- # hold an address we use to inject routes
- switch = tgen.add_switch("s-{}".format(rname))
- switch.add_link(tgen.gears[rname], nodeif="eth-lan")
-
- # directly connected without switch routers
- connect_routers(tgen, "rr1", "pe1")
- connect_routers(tgen, "pe1", "ce1")
- connect_lan(tgen, "ce1")
-
-
-def setup_module(mod):
- tgen = Topogen(build_topo, mod.__name__)
- tgen.start_topology()
-
- pe1 = tgen.gears["pe1"]
- pe1.cmd(
- f"""
-ip link add RED type vrf table 100
-ip link set RED up
-ip link set eth-ce1 master RED
-"""
- )
-
- router_list = tgen.routers()
-
- for _, (rname, router) in enumerate(router_list.items(), 1):
- router.load_frr_config(
- os.path.join(CWD, "{}/frr.conf".format(rname)),
- [
- (TopoRouter.RD_ZEBRA, None),
- (TopoRouter.RD_MGMTD, None),
- (TopoRouter.RD_BFD, None),
- (TopoRouter.RD_LDP, None),
- (TopoRouter.RD_ISIS, None),
- (TopoRouter.RD_BGP, None),
- ],
- )
-
- tgen.start_router()
-
-
-def teardown_module(mod):
- tgen = get_topogen()
- tgen.stop_topology()
-
-
-def check_bgp_convergence(step=None):
- """
- out was generated using
-
-FRRGIT=/path/git/frr
-
-vtysh -c 'show bgp vrf all summary json' | jq . | egrep -v 'ersion|idType|connections|peerState|pfx|outq|inq|msg|As|rib|Count|Memory|Uptime|vrf|\"as|failedPeers|displayedPeers|dynamicPeers' | awk '/ "bestPath": {/ {c=3; next} c-- > 0 {next} 1' | sed -E 's|"totalPeers": (.+),|"totalPeers": \1|g;s|"Established",|"Established"|g' | jq . >$FRRGIT/tests/topotests/bgp_l3vpn_hidden/$HOSTNAME/show_bgp_summary.json
-
-vtysh -c 'show bgp ipv4 vpn json' | jq . | egrep -v 'selectionReason|pathFrom|prefix|locPrf|ersion|weight|origin|vrfId|afi|defaultLocPrf|network|nhVrfId|announceNexthopSelf|metric|multipath|linkLocalOnly|length' | jq . >$FRRGIT/tests/topotests/bgp_l3vpn_hidden/$HOSTNAME/show_bgp_ipv4_vpn_step1.json
-vtysh -c 'show bgp ipv6 vpn json' | jq . | egrep -v 'selectionReason|pathFrom|prefix|locPrf|ersion|weight|origin|vrfId|afi|defaultLocPrf|network|fe80|nhVrfId|announceNexthopSelf|metric|multipath|linkLocalOnly|length' | jq . >$FRRGIT/tests/topotests/bgp_l3vpn_hidden/$HOSTNAME/show_bgp_ipv6_vpn_step1.json
-
-vtysh -c 'show bgp ipv4 unicast json' | jq . | egrep -v 'selectionReason|pathFrom|prefix|locPrf|ersion|weight|origin|vrfId|afi|defaultLocPrf|network|nhVrfId|announceNexthopSelf|metric|multipath|linkLocalOnly|length' | jq . >$FRRGIT/tests/topotests/bgp_l3vpn_hidden/$HOSTNAME/show_bgp_ipv4_unicast.json
-vtysh -c 'show bgp ipv6 unicast json' | jq . | egrep -v 'selectionReason|pathFrom|prefix|locPrf|ersion|weight|origin|vrfId|afi|defaultLocPrf|network|fe80|nhVrfId|announceNexthopSelf|metric|multipath|linkLocalOnly|length' | jq . >$FRRGIT/tests/topotests/bgp_l3vpn_hidden/$HOSTNAME/show_bgp_ipv6_unicast.json
- """
- tgen = get_topogen()
-
- logger.info("waiting for bgp convergence")
-
- step_suffix = f"_step{step}" if step else ""
-
- if not step:
- logger.info("Check BGP summary")
- for rname, router in tgen.routers().items():
- reffile = os.path.join(CWD, f"{rname}/show_bgp_summary.json")
- expected = json.loads(open(reffile).read())
- cmd = "show bgp vrf all summary json"
- test_func = functools.partial(
- topotest.router_json_cmp, router, cmd, expected
- )
- _, res = topotest.run_and_expect(test_func, None, count=60, wait=1)
- assertmsg = f"BGP did not converge. Error on {rname} {cmd}"
- assert res is None, assertmsg
-
- logger.info("Check BGP IPv4/6 unicast/VPN table")
- for rname, router in tgen.routers().items():
- for ipv in [4, 6]:
- logger.info(f"Check BGP IPv4/6 unicast/VPN table: {rname} IPv{ipv}")
- safi = "unicast" if "ce" in rname else "vpn"
- reffile = os.path.join(
- CWD, f"{rname}/show_bgp_ipv{ipv}_{safi}{step_suffix}.json"
- )
- expected = json.loads(open(reffile).read())
- exact = not expected # exact match if json is void (ie. {})
- cmd = f"show bgp ipv{ipv} {safi} json"
- test_func = functools.partial(
- topotest.router_json_cmp,
- router,
- cmd,
- expected,
- exact=exact,
- )
- _, res = topotest.run_and_expect(test_func, None, count=120, wait=1)
- assertmsg = f"BGP did not converge. Error on {rname} {cmd}"
- assert res is None, assertmsg
-
-
-def configure_bgp(vrf=None, router_name="all", activate=False):
- tgen = get_topogen()
-
- vrf_suffix = f" vrf {vrf}" if vrf else ""
- as_pattern = re.compile(rf"^router bgp (\d+){vrf_suffix}$")
-
- for rname, router in tgen.routers().items():
- if router_name != "all" and router_name != rname:
- continue
-
- if "ce" in rname:
- continue
-
- as_number = ""
- cmds = []
- router_bgp = False
- with open(os.path.join(CWD, f"{rname}/frr.conf"), "r") as f:
- for line in f:
- line = line.strip()
- if "router bgp" in line:
- match = as_pattern.match(line)
- if match:
- as_number = match.group(1)
- router_bgp = True
- continue
- if router_bgp:
- # If we already hit "router bgp <as_number>" once,
- # and see another "router bgp" line, break.
- break
- if not router_bgp:
- # Only capture lines after we've matched "router bgp"
- continue
- cmds.append(line)
-
- cfg = "configure terminal\n"
- if activate:
- cfg += f"router bgp {as_number}{vrf_suffix}\n"
- for cmd in cmds:
- cfg += f"{cmd}\n"
- else:
- cfg += f"no router bgp {as_number}{vrf_suffix}\n"
-
- router.vtysh_cmd(cfg)
-
-
-def test_bgp_convergence():
- tgen = get_topogen()
-
- if tgen.routers_have_failure():
- pytest.skip(tgen.errors)
-
- check_bgp_convergence()
-
-
-def test_bgp_l3vpn_hidden_step1():
- """
- Remove pe1 router bgp blocks
- The Default BGP instance becomes hidden
- """
-
- tgen = get_topogen()
-
- if tgen.routers_have_failure():
- pytest.skip(tgen.errors)
-
- for vrf in ["RED", None]:
- configure_bgp(router_name="pe1", vrf=vrf, activate=False)
-
- check_bgp_convergence(step=1)
-
-
-def test_bgp_l3vpn_hidden_step2():
- """
- Restore pe1 router bgp blocks
- """
-
- tgen = get_topogen()
-
- if tgen.routers_have_failure():
- pytest.skip(tgen.errors)
-
- for vrf in [None, "RED"]:
- configure_bgp(router_name="pe1", vrf=vrf, activate=True)
-
- # identical to the intitial step
- check_bgp_convergence(step=None)
-
-
-
-def test_bgp_l3vpn_hidden_step3():
- """
- Remove pe1 router bgp blocks
- The Default BGP instance becomes hidden
- """
-
- tgen = get_topogen()
-
- if tgen.routers_have_failure():
- pytest.skip(tgen.errors)
-
- for vrf in ["RED", None]:
- configure_bgp(router_name="pe1", vrf=vrf, activate=False)
-
- # identical to the intitial step 1
- check_bgp_convergence(step=1)
-
-
-def test_bgp_l3vpn_hidden_step4():
- """
- Restore pe1 router bgp blocks
- Reconfigure VRF block first
- """
-
- tgen = get_topogen()
-
- if tgen.routers_have_failure():
- pytest.skip(tgen.errors)
-
- for vrf in [None, "RED"]:
- configure_bgp(router_name="pe1", vrf=vrf, activate=True)
-
- # identical to the intitial step
- check_bgp_convergence(step=None)
-
-
-if __name__ == "__main__":
- args = ["-s"] + sys.argv[1:]
- sys.exit(pytest.main(args))
projects / matthieu / frr.git / commitdiff