--- /dev/null
+#!/usr/bin/env python
+# SPDX-License-Identifier: ISC
+
+#
+# test_bgp_vpnv4_route_leak_basic.py
+#
+# Copyright (c) 2018 Cumulus Networks, Inc.
+# Donald Sharp
+# Copyright (c) 2024 6WIND SAS
+#
+
+"""
+Test basic VPNv4 route leaking
+"""
+
+import os
+import sys
+from functools import partial
+import pytest
+
+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.topolog import logger
+from lib.checkping import check_ping
+
+pytestmark = [pytest.mark.bgpd]
+
+
+def build_topo(tgen):
+ "Build function"
+
+ for routern in range(1, 2):
+ tgen.add_router("r{}".format(routern))
+
+
+def setup_module(mod):
+ "Sets up the pytest environment"
+ tgen = Topogen(build_topo, mod.__name__)
+ tgen.start_topology()
+
+ # For all registered routers, load the unified configuration file
+ for rname, router in tgen.routers().items():
+ router.run("/bin/bash {}/setup_vrfs".format(CWD))
+ router.load_frr_config(os.path.join(CWD, "{}/frr.conf".format(rname)))
+
+ # After loading the configurations, this function loads configured daemons.
+ tgen.start_router()
+ # tgen.mininet_cli()
+
+
+def teardown_module(mod):
+ "Teardown the pytest environment"
+ tgen = get_topogen()
+
+ # This function tears down the whole topology.
+ tgen.stop_topology()
+
+
+def test_vrf_route_leak_donna():
+ logger.info("Ensure that routes are leaked back and forth")
+ tgen = get_topogen()
+ # Don't run this test if we have any failure.
+ if tgen.routers_have_failure():
+ pytest.skip(tgen.errors)
+
+ r1 = tgen.gears["r1"]
+
+ # Test DONNA VRF.
+ expect = {
+ "10.0.0.0/24": [
+ {
+ "protocol": "connected",
+ }
+ ],
+ "10.0.1.0/24": [
+ {
+ "protocol": "bgp",
+ "selected": True,
+ "nexthops": [
+ {
+ "fib": True,
+ "interfaceName": "EVA",
+ "vrf": "EVA",
+ "active": True,
+ },
+ ],
+ },
+ ],
+ "10.0.2.0/24": [{"protocol": "connected"}],
+ "10.0.3.0/24": [
+ {
+ "protocol": "bgp",
+ "selected": True,
+ "nexthops": [
+ {
+ "fib": True,
+ "interfaceName": "EVA",
+ "vrf": "EVA",
+ "active": True,
+ },
+ ],
+ },
+ ],
+ "10.0.4.0/24": [
+ {
+ "protocol": "bgp",
+ "selected": True,
+ "nexthops": [
+ {
+ "fib": True,
+ "interfaceName": "dummy0",
+ "vrf": "default",
+ "active": True,
+ },
+ ],
+ },
+ ],
+ "172.16.101.0/24": [
+ {
+ "protocol": "bgp",
+ "selected": None,
+ "nexthops": [
+ {
+ "fib": None,
+ "interfaceName": "unknown",
+ "vrf": "Unknown",
+ "active": None,
+ },
+ ],
+ },
+ ],
+ }
+
+ test_func = partial(
+ topotest.router_json_cmp, r1, "show ip route vrf DONNA json", expect
+ )
+ result, diff = topotest.run_and_expect(test_func, None, count=60, wait=0.5)
+ assert result, "BGP VRF DONNA check failed:\n{}".format(diff)
+
+
+def test_vrf_route_leak_eva():
+ logger.info("Ensure that routes are leaked back and forth")
+ tgen = get_topogen()
+ # Don't run this test if we have any failure.
+ if tgen.routers_have_failure():
+ pytest.skip(tgen.errors)
+
+ r1 = tgen.gears["r1"]
+
+ # Test EVA VRF.
+ expect = {
+ "10.0.0.0/24": [
+ {
+ "protocol": "bgp",
+ "selected": True,
+ "nexthops": [
+ {
+ "fib": True,
+ "interfaceName": "DONNA",
+ "vrf": "DONNA",
+ "active": True,
+ },
+ ],
+ },
+ ],
+ "10.0.1.0/24": [
+ {
+ "protocol": "connected",
+ }
+ ],
+ "10.0.2.0/24": [
+ {
+ "protocol": "bgp",
+ "selected": True,
+ "nexthops": [
+ {
+ "fib": True,
+ "interfaceName": "DONNA",
+ "vrf": "DONNA",
+ "active": True,
+ },
+ ],
+ },
+ ],
+ "10.0.3.0/24": [
+ {
+ "protocol": "connected",
+ }
+ ],
+ "172.16.101.0/24": [
+ {
+ "protocol": "bgp",
+ "selected": None,
+ "nexthops": [
+ {
+ "fib": None,
+ "interfaceName": "unknown",
+ "vrf": "Unknown",
+ "active": None,
+ },
+ ],
+ },
+ ],
+ }
+
+ test_func = partial(
+ topotest.router_json_cmp, r1, "show ip route vrf EVA json", expect
+ )
+ result, diff = topotest.run_and_expect(test_func, None, count=60, wait=0.5)
+ assert result, "BGP VRF EVA check failed:\n{}".format(diff)
+
+
+def test_vrf_route_leak_default():
+ logger.info("Ensure that routes are leaked back and forth")
+ tgen = get_topogen()
+ # Don't run this test if we have any failure.
+ if tgen.routers_have_failure():
+ pytest.skip(tgen.errors)
+
+ r1 = tgen.gears["r1"]
+
+ # Test default VRF.
+ expect = {
+ "10.0.0.0/24": [
+ {
+ "protocol": "bgp",
+ "selected": True,
+ "nexthops": [
+ {
+ "fib": True,
+ "interfaceName": "DONNA",
+ "vrf": "DONNA",
+ "active": True,
+ },
+ ],
+ },
+ ],
+ "10.0.2.0/24": [
+ {
+ "protocol": "bgp",
+ "selected": True,
+ "nexthops": [
+ {
+ "fib": True,
+ "interfaceName": "DONNA",
+ "vrf": "DONNA",
+ "active": True,
+ },
+ ],
+ },
+ ],
+ "10.0.4.0/24": [
+ {
+ "protocol": "connected",
+ }
+ ],
+ }
+
+ test_func = partial(topotest.router_json_cmp, r1, "show ip route json", expect)
+ result, diff = topotest.run_and_expect(test_func, None, count=60, wait=0.5)
+ assert result, "BGP VRF default check failed:\n{}".format(diff)
+
+
+def test_ping():
+ "Simple ping tests"
+
+ tgen = get_topogen()
+
+ # Don't run this test if we have any failure.
+ if tgen.routers_have_failure():
+ pytest.skip(tgen.errors)
+
+ r1 = tgen.gears["r1"]
+
+ logger.info("Ping from default to DONNA")
+ check_ping("r1", "10.0.0.1", True, 10, 0.5, source_addr="10.0.4.1")
+
+
+def test_vrf_route_leak_donna_after_eva_down():
+ logger.info("Ensure that route states change after EVA interface goes down")
+ tgen = get_topogen()
+ # Don't run this test if we have any failure.
+ if tgen.routers_have_failure():
+ pytest.skip(tgen.errors)
+
+ r1 = tgen.gears["r1"]
+ r1.vtysh_cmd(
+ """
+configure
+interface EVA
+ shutdown
+"""
+ )
+
+ # Test DONNA VRF.
+ expect = {
+ "10.0.1.0/24": [
+ {
+ "protocol": "bgp",
+ "selected": None,
+ "nexthops": [
+ {
+ "fib": None,
+ "interfaceName": "EVA",
+ "vrf": "EVA",
+ "active": None,
+ },
+ ],
+ },
+ ],
+ "10.0.3.0/24": [
+ {
+ "protocol": "bgp",
+ "selected": None,
+ "nexthops": [
+ {
+ "fib": None,
+ "interfaceName": "EVA",
+ "vrf": "EVA",
+ "active": None,
+ },
+ ],
+ },
+ ],
+ }
+
+ test_func = partial(
+ topotest.router_json_cmp, r1, "show ip route vrf DONNA json", expect
+ )
+ result, diff = topotest.run_and_expect(test_func, None, count=60, wait=0.5)
+ assert result, "BGP VRF DONNA check failed:\n{}".format(diff)
+
+ """
+ Check that "show ip route vrf DONNA json" and the JSON at key "DONNA" of
+ "show ip route vrf all json" gives the same result.
+ """
+
+ def check_vrf_table(router, vrf, expect):
+ output = router.vtysh_cmd("show ip route vrf all json", isjson=True)
+ vrf_table = output.get(vrf, {})
+
+ return topotest.json_cmp(vrf_table, expect)
+
+ test_func = partial(check_vrf_table, r1, "DONNA", expect)
+ result, diff = topotest.run_and_expect(test_func, None, count=60, wait=0.5)
+ assert result, "BGP VRF DONNA check failed:\n{}".format(diff)
+
+
+def test_vrf_route_leak_donna_after_eva_up():
+ logger.info("Ensure that route states change after EVA interface goes up")
+ tgen = get_topogen()
+ # Don't run this test if we have any failure.
+ if tgen.routers_have_failure():
+ pytest.skip(tgen.errors)
+
+ r1 = tgen.gears["r1"]
+ r1.vtysh_cmd(
+ """
+configure
+interface EVA
+ no shutdown
+"""
+ )
+
+ # Test DONNA VRF.
+ expect = {
+ "10.0.1.0/24": [
+ {
+ "protocol": "bgp",
+ "selected": True,
+ "nexthops": [
+ {
+ "fib": True,
+ "interfaceName": "EVA",
+ "vrf": "EVA",
+ "active": True,
+ },
+ ],
+ },
+ ],
+ "10.0.3.0/24": [
+ {
+ "protocol": "bgp",
+ "selected": True,
+ "nexthops": [
+ {
+ "fib": True,
+ "interfaceName": "EVA",
+ "vrf": "EVA",
+ "active": True,
+ },
+ ],
+ },
+ ],
+ }
+
+ test_func = partial(
+ topotest.router_json_cmp, r1, "show ip route vrf DONNA json", expect
+ )
+ result, diff = topotest.run_and_expect(test_func, None, count=60, wait=0.5)
+ assert result, "BGP VRF DONNA check failed:\n{}".format(diff)
+
+
+def test_vrf_route_leak_donna_add_vrf_zita():
+ logger.info("Add VRF ZITA and ensure that the route from VRF ZITA is updated")
+ tgen = get_topogen()
+ # Don't run this test if we have any failure.
+ if tgen.routers_have_failure():
+ pytest.skip(tgen.errors)
+
+ r1 = tgen.gears["r1"]
+ r1.cmd("ip link add ZITA type vrf table 1003")
+
+ # Test DONNA VRF.
+ expect = {
+ "172.16.101.0/24": [
+ {
+ "protocol": "bgp",
+ "selected": None,
+ "nexthops": [
+ {
+ "fib": None,
+ "interfaceName": "ZITA",
+ "vrf": "ZITA",
+ "active": None,
+ },
+ ],
+ },
+ ],
+ }
+
+ test_func = partial(
+ topotest.router_json_cmp, r1, "show ip route vrf DONNA json", expect
+ )
+ result, diff = topotest.run_and_expect(test_func, None, count=60, wait=0.5)
+ assert result, "BGP VRF DONNA check failed:\n{}".format(diff)
+
+
+def test_vrf_route_leak_donna_set_zita_up():
+ logger.info("Set VRF ZITA up and ensure that the route from VRF ZITA is updated")
+ tgen = get_topogen()
+ # Don't run this test if we have any failure.
+ if tgen.routers_have_failure():
+ pytest.skip(tgen.errors)
+
+ r1 = tgen.gears["r1"]
+ r1.vtysh_cmd(
+ """
+configure
+interface ZITA
+ no shutdown
+"""
+ )
+
+ # Test DONNA VRF.
+ expect = {
+ "172.16.101.0/24": [
+ {
+ "protocol": "bgp",
+ "selected": True,
+ "nexthops": [
+ {
+ "fib": True,
+ "interfaceName": "ZITA",
+ "vrf": "ZITA",
+ "active": True,
+ },
+ ],
+ },
+ ],
+ }
+
+ test_func = partial(
+ topotest.router_json_cmp, r1, "show ip route vrf DONNA json", expect
+ )
+ result, diff = topotest.run_and_expect(test_func, None, count=60, wait=0.5)
+ assert result, "BGP VRF DONNA check failed:\n{}".format(diff)
+
+
+def test_vrf_route_leak_donna_delete_vrf_zita():
+ logger.info("Delete VRF ZITA and ensure that the route from VRF ZITA is deleted")
+ tgen = get_topogen()
+ # Don't run this test if we have any failure.
+ if tgen.routers_have_failure():
+ pytest.skip(tgen.errors)
+
+ r1 = tgen.gears["r1"]
+ r1.cmd("ip link delete ZITA")
+
+ # Test DONNA VRF.
+ expect = {
+ "172.16.101.0/24": None,
+ }
+
+ test_func = partial(
+ topotest.router_json_cmp, r1, "show ip route vrf DONNA json", expect
+ )
+ result, diff = topotest.run_and_expect(test_func, None, count=60, wait=0.5)
+ assert result, "BGP VRF DONNA check failed:\n{}".format(diff)
+
+
+def test_memory_leak():
+ "Run the memory leak test and report results."
+ tgen = get_topogen()
+ if not tgen.is_memleak_enabled():
+ pytest.skip("Memory leak test/report is disabled")
+
+ tgen.report_memory_leaks()
+
+
+if __name__ == "__main__":
+ args = ["-s"] + sys.argv[1:]
+ sys.exit(pytest.main(args))
projects / mirror / frr.git / commitdiff