Adding upstream version 8.4.4.upstream/8.4.4upstream

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

9 files changed, 236 insertions, 0 deletions

diff --git a/tests/topotests/bgp_conditional_advertisement_track_peer/__init__.py b/tests/topotests/bgp_conditional_advertisement_track_peer/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/tests/topotests/bgp_conditional_advertisement_track_peer/__init__.py
diff --git a/tests/topotests/bgp_conditional_advertisement_track_peer/r1/bgpd.conf b/tests/topotests/bgp_conditional_advertisement_track_peer/r1/bgpd.conf
new file mode 100644
index 0000000..1e98f4e
--- /dev/null
+++ b/tests/topotests/bgp_conditional_advertisement_track_peer/r1/bgpd.conf
@@ -0,0 +1,17 @@
+!
+router bgp 65001
+ no bgp ebgp-requires-policy
+ neighbor 192.168.1.2 remote-as external
+ neighbor 192.168.1.2 timers 3 10
+ address-family ipv4 unicast
+  neighbor 192.168.1.2 route-map r2 in
+ exit-address-family
+!
+ip prefix-list p1 seq 5 permit 172.16.255.31/32
+!
+route-map r2 permit 10
+ match ip address prefix-list p1
+ set as-path replace 65003
+route-map r2 permit 20
+ set as-path replace any
+!
diff --git a/tests/topotests/bgp_conditional_advertisement_track_peer/r1/zebra.conf b/tests/topotests/bgp_conditional_advertisement_track_peer/r1/zebra.conf
new file mode 100644
index 0000000..acf120b
--- /dev/null
+++ b/tests/topotests/bgp_conditional_advertisement_track_peer/r1/zebra.conf
@@ -0,0 +1,6 @@
+!
+interface r1-eth0
+ ip address 192.168.1.1/24
+!
+ip forwarding
+!
diff --git a/tests/topotests/bgp_conditional_advertisement_track_peer/r2/bgpd.conf b/tests/topotests/bgp_conditional_advertisement_track_peer/r2/bgpd.conf
new file mode 100644
index 0000000..66c3dc5
--- /dev/null
+++ b/tests/topotests/bgp_conditional_advertisement_track_peer/r2/bgpd.conf
@@ -0,0 +1,28 @@
+!
+router bgp 65002
+ no bgp ebgp-requires-policy
+ bgp conditional-advertisement timer 5
+ neighbor 192.168.1.1 remote-as external
+ neighbor 192.168.1.1 timers 3 10
+ neighbor 192.168.2.1 remote-as external
+ neighbor 192.168.2.1 timers 3 10
+ address-family ipv4 unicast
+  redistribute static
+  neighbor 192.168.1.1 advertise-map advertise exist-map exist
+  neighbor 192.168.1.1 route-map deny-all out
+  neighbor 192.168.2.1 route-map exist in
+ exit-address-family
+!
+ip prefix-list exist seq 5 permit 172.16.255.3/32
+ip prefix-list advertise seq 5 permit 172.16.255.2/32
+!
+route-map advertise permit 10
+ match ip address prefix-list advertise
+exit
+!
+route-map exist permit 10
+ match ip address prefix-list exist
+exit
+!
+route-map deny-all deny 10
+exit
diff --git a/tests/topotests/bgp_conditional_advertisement_track_peer/r2/staticd.conf b/tests/topotests/bgp_conditional_advertisement_track_peer/r2/staticd.conf
new file mode 100644
index 0000000..6c013e2
--- /dev/null
+++ b/tests/topotests/bgp_conditional_advertisement_track_peer/r2/staticd.conf
@@ -0,0 +1,3 @@
+!
+ip route 172.16.255.2/32 r2-eth1
+!
diff --git a/tests/topotests/bgp_conditional_advertisement_track_peer/r2/zebra.conf b/tests/topotests/bgp_conditional_advertisement_track_peer/r2/zebra.conf
new file mode 100644
index 0000000..f229954
--- /dev/null
+++ b/tests/topotests/bgp_conditional_advertisement_track_peer/r2/zebra.conf
@@ -0,0 +1,9 @@
+!
+interface r2-eth0
+ ip address 192.168.1.2/24
+!
+interface r2-eth1
+ ip address 192.168.2.2/24
+!
+ip forwarding
+!
diff --git a/tests/topotests/bgp_conditional_advertisement_track_peer/r3/bgpd.conf b/tests/topotests/bgp_conditional_advertisement_track_peer/r3/bgpd.conf
new file mode 100644
index 0000000..5058d40
--- /dev/null
+++ b/tests/topotests/bgp_conditional_advertisement_track_peer/r3/bgpd.conf
@@ -0,0 +1,10 @@
+!
+router bgp 65003
+ no bgp ebgp-requires-policy
+ neighbor 192.168.2.2 remote-as external
+ neighbor 192.168.2.2 timers 3 10
+ neighbor 192.168.2.2 shutdown
+ address-family ipv4 unicast
+  redistribute connected
+ exit-address-family
+!
diff --git a/tests/topotests/bgp_conditional_advertisement_track_peer/r3/zebra.conf b/tests/topotests/bgp_conditional_advertisement_track_peer/r3/zebra.conf
new file mode 100644
index 0000000..268163e
--- /dev/null
+++ b/tests/topotests/bgp_conditional_advertisement_track_peer/r3/zebra.conf
@@ -0,0 +1,9 @@
+!
+int lo
+ ip address 172.16.255.3/32
+!
+interface r3-eth0
+ ip address 192.168.2.1/24
+!
+ip forwarding
+!
diff --git a/tests/topotests/bgp_conditional_advertisement_track_peer/test_bgp_conditional_advertisement_track_peer.py b/tests/topotests/bgp_conditional_advertisement_track_peer/test_bgp_conditional_advertisement_track_peer.py
new file mode 100644
index 0000000..591bac1
--- /dev/null
+++ b/tests/topotests/bgp_conditional_advertisement_track_peer/test_bgp_conditional_advertisement_track_peer.py
@@ -0,0 +1,154 @@
+#!/usr/bin/env python
+
+#
+# Copyright (c) 2022 by
+# Donatas Abraitis <donatas@opensourcerouting.org>
+#
+# 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.
+#
+
+"""
+Conditionally advertise 172.16.255.2/32 to r1, only if 172.16.255.3/32
+is received from r3.
+
+Also, withdraw if 172.16.255.3/32 disappears.
+"""
+
+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):
+    for routern in range(1, 5):
+        tgen.add_router("r{}".format(routern))
+
+    switch = tgen.add_switch("s1")
+    switch.add_link(tgen.gears["r1"])
+    switch.add_link(tgen.gears["r2"])
+
+    switch = tgen.add_switch("s2")
+    switch.add_link(tgen.gears["r2"])
+    switch.add_link(tgen.gears["r3"])
+
+
+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_STATIC, os.path.join(CWD, "{}/staticd.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_conditional_advertisement_track_peer():
+    tgen = get_topogen()
+
+    r1 = tgen.gears["r1"]
+    r2 = tgen.gears["r2"]
+    r3 = tgen.gears["r3"]
+
+    if tgen.routers_have_failure():
+        pytest.skip(tgen.errors)
+
+    def _bgp_converge():
+        output = json.loads(
+            r2.vtysh_cmd(
+                "show bgp ipv4 unicast neighbors 192.168.1.1 advertised-routes json"
+            )
+        )
+        expected = {
+            "advertisedRoutes": {"172.16.255.2/32": None},
+            "totalPrefixCounter": 0,
+            "filteredPrefixCounter": 0,
+        }
+        return topotest.json_cmp(output, expected)
+
+    # Verify if R2 does not send any routes to R1
+    test_func = functools.partial(_bgp_converge)
+    _, result = topotest.run_and_expect(test_func, None, count=30, wait=0.5)
+    assert result is None, "R2 SHOULD not send any routes to R1"
+
+    step("Enable session between R2 and R3")
+    r3.vtysh_cmd(
+        """
+    configure terminal
+        router bgp
+            no neighbor 192.168.2.2 shutdown
+    """
+    )
+
+    def _bgp_check_conditional_static_routes_from_r2():
+        output = json.loads(r1.vtysh_cmd("show bgp ipv4 unicast json"))
+        expected = {
+            "routes": {
+                "172.16.255.2/32": [{"valid": True, "nexthops": [{"hostname": "r2"}]}]
+            }
+        }
+        return topotest.json_cmp(output, expected)
+
+    # Verify if R1 received 172.16.255.2/32 from R2
+    test_func = functools.partial(_bgp_check_conditional_static_routes_from_r2)
+    _, result = topotest.run_and_expect(test_func, None, count=30, wait=0.5)
+    assert result is None, "R1 SHOULD receive 172.16.255.2/32 from R2"
+
+    step("Disable session between R2 and R3 again")
+    r3.vtysh_cmd(
+        """
+    configure terminal
+        router bgp
+            neighbor 192.168.2.2 shutdown
+    """
+    )
+
+    # Verify if R2 is not sending any routes to R1 again
+    test_func = functools.partial(_bgp_converge)
+    _, result = topotest.run_and_expect(test_func, None, count=30, wait=0.5)
+    assert result is None, "R2 SHOULD not send any routes to R1"
+
+
+if __name__ == "__main__":
+    args = ["-s"] + sys.argv[1:]
+    sys.exit(pytest.main(args))