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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-05 09:56:23 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-05 09:56:23 +0000
commitc15d6efd40655f717841d00839a43df1ead5cb26 (patch)
tree35d579f9a19170e2b39085669ca92533c2d161b4 /tests/topotests/bgp_dampening_per_peer
parentAdding upstream version 10.0.1. (diff)
downloadfrr-c15d6efd40655f717841d00839a43df1ead5cb26.tar.xz
frr-c15d6efd40655f717841d00839a43df1ead5cb26.zip
Adding upstream version 10.1.upstream/10.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/topotests/bgp_dampening_per_peer')
-rw-r--r--tests/topotests/bgp_dampening_per_peer/__init__.py0
-rw-r--r--tests/topotests/bgp_dampening_per_peer/r1/frr.conf15
-rw-r--r--tests/topotests/bgp_dampening_per_peer/r2/frr.conf17
-rw-r--r--tests/topotests/bgp_dampening_per_peer/test_bgp_dampening_per_peer.py177
4 files changed, 209 insertions, 0 deletions
diff --git a/tests/topotests/bgp_dampening_per_peer/__init__.py b/tests/topotests/bgp_dampening_per_peer/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/tests/topotests/bgp_dampening_per_peer/__init__.py
diff --git a/tests/topotests/bgp_dampening_per_peer/r1/frr.conf b/tests/topotests/bgp_dampening_per_peer/r1/frr.conf
new file mode 100644
index 0000000..4589955
--- /dev/null
+++ b/tests/topotests/bgp_dampening_per_peer/r1/frr.conf
@@ -0,0 +1,15 @@
+!
+int r1-eth0
+ ip address 192.168.1.1/24
+!
+router bgp 65001
+ no bgp ebgp-requires-policy
+ neighbor 192.168.1.2 remote-as external
+ neighbor 192.168.1.2 timers 1 3
+ neighbor 192.168.1.2 timers connect 1
+ neighbor 192.168.1.2 capability dynamic
+ !
+ address-family ipv4 unicast
+ neighbor 192.168.1.2 dampening 1 1 1 1
+ exit-address-family
+!
diff --git a/tests/topotests/bgp_dampening_per_peer/r2/frr.conf b/tests/topotests/bgp_dampening_per_peer/r2/frr.conf
new file mode 100644
index 0000000..d68d13d
--- /dev/null
+++ b/tests/topotests/bgp_dampening_per_peer/r2/frr.conf
@@ -0,0 +1,17 @@
+!
+int lo
+ ip address 10.10.10.10/32
+!
+int r2-eth0
+ ip address 192.168.1.2/24
+!
+router bgp 65002
+ no bgp ebgp-requires-policy
+ neighbor 192.168.1.1 remote-as external
+ neighbor 192.168.1.1 timers 1 3
+ neighbor 192.168.1.1 timers connect 1
+ !
+ address-family ipv4 unicast
+ redistribute connected
+ exit-address-family
+!
diff --git a/tests/topotests/bgp_dampening_per_peer/test_bgp_dampening_per_peer.py b/tests/topotests/bgp_dampening_per_peer/test_bgp_dampening_per_peer.py
new file mode 100644
index 0000000..2066d84
--- /dev/null
+++ b/tests/topotests/bgp_dampening_per_peer/test_bgp_dampening_per_peer.py
@@ -0,0 +1,177 @@
+#!/usr/bin/env python
+# SPDX-License-Identifier: ISC
+
+# Copyright (c) 2024 by
+# Donatas Abraitis <donatas@opensourcerouting.org>
+#
+
+import os
+import re
+import sys
+import json
+import pytest
+import functools
+
+pytestmark = [pytest.mark.bgpd]
+
+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, get_topogen
+
+
+def setup_module(mod):
+ topodef = {"s1": ("r1", "r2")}
+ tgen = Topogen(topodef, mod.__name__)
+ tgen.start_topology()
+
+ 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)))
+
+ tgen.start_router()
+
+
+def teardown_module(mod):
+ tgen = get_topogen()
+ tgen.stop_topology()
+
+
+def test_bgp_dampening_per_peer():
+ tgen = get_topogen()
+
+ if tgen.routers_have_failure():
+ pytest.skip(tgen.errors)
+
+ r1 = tgen.gears["r1"]
+ r2 = tgen.gears["r2"]
+
+ def _converge():
+ output = json.loads(r1.vtysh_cmd("show bgp ipv4 unicast 10.10.10.10/32 json"))
+ expected = {
+ "paths": [
+ {
+ "valid": True,
+ "nexthops": [
+ {
+ "hostname": "r2",
+ "accessible": True,
+ }
+ ],
+ }
+ ]
+ }
+ return topotest.json_cmp(output, expected)
+
+ test_func = functools.partial(
+ _converge,
+ )
+ _, result = topotest.run_and_expect(test_func, None, count=30, wait=1)
+ assert result is None, "Can't converge"
+
+ ####
+ # Withdraw 10.10.10.10/32, and check if it's flagged as history.
+ ####
+ r2.vtysh_cmd(
+ """
+ configure terminal
+ router bgp
+ address-family ipv4 unicast
+ no redistribute connected
+ """
+ )
+
+ def _check_bgp_dampening_history():
+ output = json.loads(r1.vtysh_cmd("show bgp ipv4 unicast 10.10.10.10/32 json"))
+ expected = {
+ "paths": [
+ {
+ "dampeningHistoryEntry": True,
+ "nexthops": [
+ {
+ "hostname": "r2",
+ "accessible": True,
+ }
+ ],
+ }
+ ],
+ }
+ return topotest.json_cmp(output, expected)
+
+ test_func = functools.partial(
+ _check_bgp_dampening_history,
+ )
+ _, result = topotest.run_and_expect(test_func, None, count=30, wait=1)
+ assert result is None, "10.10.10.10/32 is not flagged as history entry"
+
+ ####
+ # Reannounce 10.10.10.10/32, and check if it's flagged as dampened.
+ ####
+ r2.vtysh_cmd(
+ """
+ configure terminal
+ router bgp
+ address-family ipv4 unicast
+ redistribute connected
+ """
+ )
+
+ def _check_bgp_dampening_dampened():
+ output = json.loads(r1.vtysh_cmd("show bgp ipv4 unicast 10.10.10.10/32 json"))
+ expected = {
+ "paths": [
+ {
+ "valid": True,
+ "dampeningSuppressed": True,
+ "nexthops": [
+ {
+ "hostname": "r2",
+ "accessible": True,
+ }
+ ],
+ }
+ ],
+ }
+ return topotest.json_cmp(output, expected)
+
+ test_func = functools.partial(
+ _check_bgp_dampening_dampened,
+ )
+ _, result = topotest.run_and_expect(test_func, None, count=30, wait=1)
+ assert result is None, "10.10.10.10/32 is not flagged as dampened entry"
+
+ ####
+ # Check if the route becomes non-dampened again after some time.
+ ####
+ def _check_bgp_dampening_undampened():
+ output = json.loads(r1.vtysh_cmd("show bgp ipv4 unicast 10.10.10.10/32 json"))
+ expected = {
+ "paths": [
+ {
+ "valid": True,
+ "dampeningHistoryEntry": None,
+ "dampeningSuppressed": None,
+ "nexthops": [
+ {
+ "hostname": "r2",
+ "accessible": True,
+ }
+ ],
+ }
+ ],
+ }
+ return topotest.json_cmp(output, expected)
+
+ test_func = functools.partial(
+ _check_bgp_dampening_undampened,
+ )
+ _, result = topotest.run_and_expect(test_func, None, count=120, wait=10)
+ assert result is None, "10.10.10.10/32 is flagged as history/dampened"
+
+
+if __name__ == "__main__":
+ args = ["-s"] + sys.argv[1:]
+ sys.exit(pytest.main(args))