Adding upstream version 9.1.upstream/9.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

6 files changed, 134 insertions, 0 deletions

diff --git a/tests/topotests/bgp_max_med_on_startup/__init__.py b/tests/topotests/bgp_max_med_on_startup/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/tests/topotests/bgp_max_med_on_startup/__init__.py
diff --git a/tests/topotests/bgp_max_med_on_startup/r1/bgpd.conf b/tests/topotests/bgp_max_med_on_startup/r1/bgpd.conf
new file mode 100644
index 0000000..41bf963
--- /dev/null
+++ b/tests/topotests/bgp_max_med_on_startup/r1/bgpd.conf
@@ -0,0 +1,11 @@
+!
+router bgp 65001
+  bgp max-med on-startup 5 777
+  no bgp ebgp-requires-policy
+  neighbor 192.168.255.2 remote-as 65001
+  neighbor 192.168.255.2 timers 3 10
+  address-family ipv4 unicast
+    redistribute connected
+  exit-address-family
+  !
+!
diff --git a/tests/topotests/bgp_max_med_on_startup/r1/zebra.conf b/tests/topotests/bgp_max_med_on_startup/r1/zebra.conf
new file mode 100644
index 0000000..7c2ed09
--- /dev/null
+++ b/tests/topotests/bgp_max_med_on_startup/r1/zebra.conf
@@ -0,0 +1,9 @@
+!
+interface lo
+ ip address 172.16.255.254/32
+!
+interface r1-eth0
+ ip address 192.168.255.1/30
+!
+ip forwarding
+!
diff --git a/tests/topotests/bgp_max_med_on_startup/r2/bgpd.conf b/tests/topotests/bgp_max_med_on_startup/r2/bgpd.conf
new file mode 100644
index 0000000..187713d
--- /dev/null
+++ b/tests/topotests/bgp_max_med_on_startup/r2/bgpd.conf
@@ -0,0 +1,7 @@
+!
+router bgp 65001
+  no bgp ebgp-requires-policy
+  neighbor 192.168.255.1 remote-as 65001
+  neighbor 192.168.255.1 timers 3 10
+  !
+!
diff --git a/tests/topotests/bgp_max_med_on_startup/r2/zebra.conf b/tests/topotests/bgp_max_med_on_startup/r2/zebra.conf
new file mode 100644
index 0000000..fd45c48
--- /dev/null
+++ b/tests/topotests/bgp_max_med_on_startup/r2/zebra.conf
@@ -0,0 +1,6 @@
+!
+interface r2-eth0
+ ip address 192.168.255.2/30
+!
+ip forwarding
+!
diff --git a/tests/topotests/bgp_max_med_on_startup/test_bgp_max_med_on_startup.py b/tests/topotests/bgp_max_med_on_startup/test_bgp_max_med_on_startup.py
new file mode 100644
index 0000000..a9810ba
--- /dev/null
+++ b/tests/topotests/bgp_max_med_on_startup/test_bgp_max_med_on_startup.py
@@ -0,0 +1,101 @@
+#!/usr/bin/env python
+# SPDX-License-Identifier: ISC
+
+#
+# test_bgp_max_med_on_startup.py
+#
+# Copyright (c) 2022 Rubicon Communications, LLC.
+#
+
+"""
+Test whether `bgp max-med on-startup (5-86400) [(0-4294967295)]` is working
+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
+
+pytestmark = [pytest.mark.bgpd]
+
+
+def build_topo(tgen):
+    for routern in range(1, 3):
+        tgen.add_router("r{}".format(routern))
+
+    switch = tgen.add_switch("s1")
+    switch.add_link(tgen.gears["r1"])
+    switch.add_link(tgen.gears["r2"])
+
+
+def setup_module(mod):
+    tgen = Topogen(build_topo, mod.__name__)
+    tgen.start_topology()
+
+    router_list = tgen.routers()
+
+    for i, (rname, router) in enumerate(router_list.items(), 1):
+        router.load_config(
+            TopoRouter.RD_ZEBRA, os.path.join(CWD, "{}/zebra.conf".format(rname))
+        )
+        router.load_config(
+            TopoRouter.RD_BGP, os.path.join(CWD, "{}/bgpd.conf".format(rname))
+        )
+
+    tgen.start_router()
+
+
+def teardown_module(mod):
+    tgen = get_topogen()
+    tgen.stop_topology()
+
+
+def test_bgp_max_med_on_startup():
+    tgen = get_topogen()
+
+    if tgen.routers_have_failure():
+        pytest.skip(tgen.errors)
+
+    router1 = tgen.gears["r1"]
+    router2 = tgen.gears["r2"]
+
+    def _bgp_converge(router):
+        output = json.loads(router.vtysh_cmd("show ip bgp neighbor 192.168.255.1 json"))
+        expected = {"192.168.255.1": {"bgpState": "Established"}}
+        return topotest.json_cmp(output, expected)
+
+    def _bgp_has_routes(router, metric):
+        output = json.loads(
+            router.vtysh_cmd("show ip bgp neighbor 192.168.255.1 routes json")
+        )
+        expected = {"routes": {"172.16.255.254/32": [{"metric": metric}]}}
+        return topotest.json_cmp(output, expected)
+
+    # Check session is established
+    test_func = functools.partial(_bgp_converge, router2)
+    success, result = topotest.run_and_expect(test_func, None, count=30, wait=0.5)
+    assert result is None, "Failed bgp convergence on r2"
+
+    # Check metric has value of max-med
+    test_func = functools.partial(_bgp_has_routes, router2, 777)
+    success, result = topotest.run_and_expect(test_func, None, count=30, wait=0.5)
+    assert result is None, "r2 does not receive routes with metric 777"
+
+    # Check that when the max-med timer expires, metric is updated
+    test_func = functools.partial(_bgp_has_routes, router2, 0)
+    success, result = topotest.run_and_expect(test_func, None, count=16, wait=0.5)
+    assert result is None, "r2 does not receive routes with metric 0"
+
+
+if __name__ == "__main__":
+    args = ["-s"] + sys.argv[1:]
+    sys.exit(pytest.main(args))