Adding upstream version 9.1.upstream/9.1

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

8 files changed, 205 insertions, 0 deletions

diff --git a/tests/topotests/bgp_default_originate_withdraw/__init__.py b/tests/topotests/bgp_default_originate_withdraw/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/tests/topotests/bgp_default_originate_withdraw/__init__.py
diff --git a/tests/topotests/bgp_default_originate_withdraw/r1/bgpd.conf b/tests/topotests/bgp_default_originate_withdraw/r1/bgpd.conf
new file mode 100644
index 0000000..6813b02
--- /dev/null
+++ b/tests/topotests/bgp_default_originate_withdraw/r1/bgpd.conf
@@ -0,0 +1,12 @@
+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 192.168.2.2 remote-as external
+ neighbor 192.168.2.2 timers 1 3
+ neighbor 192.168.2.2 timers connect 1
+ address-family ipv4
+  neighbor 192.168.1.2 default-originate
+ exit-address-family
+!
diff --git a/tests/topotests/bgp_default_originate_withdraw/r1/zebra.conf b/tests/topotests/bgp_default_originate_withdraw/r1/zebra.conf
new file mode 100644
index 0000000..3692361
--- /dev/null
+++ b/tests/topotests/bgp_default_originate_withdraw/r1/zebra.conf
@@ -0,0 +1,7 @@
+!
+interface r1-eth0
+ ip address 192.168.1.1/24
+!
+interface r1-eth1
+ ip address 192.168.2.1/24
+!
diff --git a/tests/topotests/bgp_default_originate_withdraw/r2/bgpd.conf b/tests/topotests/bgp_default_originate_withdraw/r2/bgpd.conf
new file mode 100644
index 0000000..60e6236
--- /dev/null
+++ b/tests/topotests/bgp_default_originate_withdraw/r2/bgpd.conf
@@ -0,0 +1,9 @@
+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
+  network 192.168.2.0/24
+ exit-address-family
+!
diff --git a/tests/topotests/bgp_default_originate_withdraw/r2/zebra.conf b/tests/topotests/bgp_default_originate_withdraw/r2/zebra.conf
new file mode 100644
index 0000000..0c95656
--- /dev/null
+++ b/tests/topotests/bgp_default_originate_withdraw/r2/zebra.conf
@@ -0,0 +1,4 @@
+!
+interface r2-eth0
+ ip address 192.168.1.2/24
+!
diff --git a/tests/topotests/bgp_default_originate_withdraw/r3/bgpd.conf b/tests/topotests/bgp_default_originate_withdraw/r3/bgpd.conf
new file mode 100644
index 0000000..547cf86
--- /dev/null
+++ b/tests/topotests/bgp_default_originate_withdraw/r3/bgpd.conf
@@ -0,0 +1,9 @@
+router bgp 65003
+ no bgp ebgp-requires-policy
+ neighbor 192.168.2.1 remote-as external
+ neighbor 192.168.2.1 timers 1 3
+ neighbor 192.168.2.1 timers connect 1
+ address-family ipv4 unicast
+  network 0.0.0.0/0
+ exit-address-family
+!
diff --git a/tests/topotests/bgp_default_originate_withdraw/r3/zebra.conf b/tests/topotests/bgp_default_originate_withdraw/r3/zebra.conf
new file mode 100644
index 0000000..7ccdcfd
--- /dev/null
+++ b/tests/topotests/bgp_default_originate_withdraw/r3/zebra.conf
@@ -0,0 +1,5 @@
+!
+interface r3-eth0
+ ip address 192.168.2.2/24
+!
+ip route 0.0.0.0/0 Null0
diff --git a/tests/topotests/bgp_default_originate_withdraw/test_bgp_default_originate_withdraw.py b/tests/topotests/bgp_default_originate_withdraw/test_bgp_default_originate_withdraw.py
new file mode 100644
index 0000000..e25f85a
--- /dev/null
+++ b/tests/topotests/bgp_default_originate_withdraw/test_bgp_default_originate_withdraw.py
@@ -0,0 +1,159 @@
+#!/usr/bin/env python
+# SPDX-License-Identifier: ISC
+
+#
+# Copyright (c) 2022 by
+# Donatas Abraitis <donatas@opensourcerouting.org>
+#
+
+"""
+Check if bgpd do not crash if we use default-originate while
+received a default route from the neighbor as well. 0.0.0.0/0
+MUST be kept in RIB even if we remove default-originate from
+the neighbor.
+"""
+
+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, 4):
+        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["r1"])
+    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_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_default_originate_with_default_received():
+    tgen = get_topogen()
+    if tgen.routers_have_failure():
+        pytest.skip(tgen.errors)
+
+    r1 = tgen.gears["r1"]
+
+    def _bgp_default_received_from_r3():
+        output = json.loads(r1.vtysh_cmd("show bgp ipv4 unicast 0.0.0.0/0 json"))
+        expected = {
+            "paths": [
+                {
+                    "nexthops": [
+                        {
+                            "hostname": "r3",
+                            "ip": "192.168.2.2",
+                        }
+                    ],
+                }
+            ],
+        }
+        return topotest.json_cmp(output, expected)
+
+    test_func = functools.partial(_bgp_default_received_from_r3)
+    _, result = topotest.run_and_expect(test_func, None, count=60, wait=0.5)
+    assert result is None, "Cannot see default route received from r3"
+
+    def _bgp_advertised_default_originate_to_r2():
+        output = json.loads(
+            r1.vtysh_cmd(
+                "show bgp ipv4 unicast neighbors 192.168.1.2 advertised-routes json"
+            )
+        )
+        expected = {
+            "bgpOriginatingDefaultNetwork": "0.0.0.0/0",
+        }
+        return topotest.json_cmp(output, expected)
+
+    test_func = functools.partial(_bgp_advertised_default_originate_to_r2)
+    _, result = topotest.run_and_expect(test_func, None, count=60, wait=0.5)
+    assert result is None, "Cannot see default-originate route advertised to r2"
+
+    step("Disable default-originate for r2")
+    r1.vtysh_cmd(
+        """
+    configure
+        router bgp
+            address-family ipv4 unicast
+                no neighbor 192.168.1.2 default-originate
+    """
+    )
+
+    def _bgp_advertised_default_from_r3_to_r2():
+        output = json.loads(
+            r1.vtysh_cmd(
+                "show bgp ipv4 unicast neighbors 192.168.1.2 advertised-routes json"
+            )
+        )
+        expected = {
+            "bgpOriginatingDefaultNetwork": None,
+            "advertisedRoutes": {
+                "0.0.0.0/0": {
+                    "valid": True,
+                }
+            },
+        }
+        return topotest.json_cmp(output, expected)
+
+    test_func = functools.partial(_bgp_advertised_default_from_r3_to_r2)
+    _, result = topotest.run_and_expect(test_func, None, count=60, wait=0.5)
+    assert result is None, "Cannot see default route advertised to r2"
+
+    step("Enable default-originate for r2")
+    r1.vtysh_cmd(
+        """
+    configure
+        router bgp
+            address-family ipv4 unicast
+                neighbor 192.168.1.2 default-originate
+    do clear ip bgp *
+    """
+    )
+
+    step("Check if default-originate route advertised to r2")
+    test_func = functools.partial(_bgp_advertised_default_originate_to_r2)
+    _, result = topotest.run_and_expect(test_func, None, count=60, wait=0.5)
+    assert result is None, "Cannot see default-originate route advertised to r2"
+
+
+if __name__ == "__main__":
+    args = ["-s"] + sys.argv[1:]
+    sys.exit(pytest.main(args))