Adding upstream version 9.1.upstream/9.1

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

6 files changed, 225 insertions, 0 deletions

diff --git a/tests/topotests/bgp_maximum_prefix_out/__init__.py b/tests/topotests/bgp_maximum_prefix_out/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/tests/topotests/bgp_maximum_prefix_out/__init__.py
diff --git a/tests/topotests/bgp_maximum_prefix_out/r1/bgpd.conf b/tests/topotests/bgp_maximum_prefix_out/r1/bgpd.conf
new file mode 100644
index 0000000..adb594b
--- /dev/null
+++ b/tests/topotests/bgp_maximum_prefix_out/r1/bgpd.conf
@@ -0,0 +1,11 @@
+!
+router bgp 65001
+  no bgp ebgp-requires-policy
+  neighbor 192.168.255.1 remote-as 65002
+  neighbor 192.168.255.1 timers 3 10
+  address-family ipv4 unicast
+    redistribute connected
+    neighbor 192.168.255.1 maximum-prefix-out 2
+  exit-address-family
+  !
+!
diff --git a/tests/topotests/bgp_maximum_prefix_out/r1/zebra.conf b/tests/topotests/bgp_maximum_prefix_out/r1/zebra.conf
new file mode 100644
index 0000000..2416225
--- /dev/null
+++ b/tests/topotests/bgp_maximum_prefix_out/r1/zebra.conf
@@ -0,0 +1,13 @@
+!
+interface lo
+ ip address 172.16.255.250/32
+ ip address 172.16.255.251/32
+ ip address 172.16.255.252/32
+ ip address 172.16.255.253/32
+ ip address 172.16.255.254/32
+!
+interface r1-eth0
+ ip address 192.168.255.2/30
+!
+ip forwarding
+!
diff --git a/tests/topotests/bgp_maximum_prefix_out/r2/bgpd.conf b/tests/topotests/bgp_maximum_prefix_out/r2/bgpd.conf
new file mode 100644
index 0000000..229de2e
--- /dev/null
+++ b/tests/topotests/bgp_maximum_prefix_out/r2/bgpd.conf
@@ -0,0 +1,8 @@
+!
+router bgp 65002
+  no bgp ebgp-requires-policy
+  neighbor 192.168.255.2 remote-as 65001
+  neighbor 192.168.255.2 timers 3 10
+  exit-address-family
+  !
+!
diff --git a/tests/topotests/bgp_maximum_prefix_out/r2/zebra.conf b/tests/topotests/bgp_maximum_prefix_out/r2/zebra.conf
new file mode 100644
index 0000000..08dd374
--- /dev/null
+++ b/tests/topotests/bgp_maximum_prefix_out/r2/zebra.conf
@@ -0,0 +1,6 @@
+!
+interface r2-eth0
+ ip address 192.168.255.1/30
+!
+ip forwarding
+!
diff --git a/tests/topotests/bgp_maximum_prefix_out/test_bgp_maximum_prefix_out.py b/tests/topotests/bgp_maximum_prefix_out/test_bgp_maximum_prefix_out.py
new file mode 100644
index 0000000..0b346f6
--- /dev/null
+++ b/tests/topotests/bgp_maximum_prefix_out/test_bgp_maximum_prefix_out.py
@@ -0,0 +1,187 @@
+#!/usr/bin/env python
+# SPDX-License-Identifier: ISC
+
+#
+# test_bgp_maximum_prefix_out.py
+# Part of NetDEF Topology Tests
+#
+# Copyright (c) 2020 by
+# Donatas Abraitis <donatas.abraitis@gmail.com>
+#
+
+"""
+Test if `neighbor <X.X.X.X> maximum-prefix-out <Y>` 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_maximum_prefix_out():
+    tgen = get_topogen()
+
+    if tgen.routers_have_failure():
+        pytest.skip(tgen.errors)
+
+    router1 = tgen.gears["r1"]
+    router2 = tgen.gears["r2"]
+
+    # format (router to configure, command, expected received prefixes on r2)
+    tests = [
+        # test of the initial config
+        (None, 2),
+        # modifying the max-prefix-out value
+        (
+            "router bgp\n address-family ipv4\n neighbor 192.168.255.1 maximum-prefix-out 4",
+            4,
+        ),
+        # removing the max-prefix-out value
+        (
+            "router bgp\n address-family ipv4\n no neighbor 192.168.255.1 maximum-prefix-out",
+            6,
+        ),
+        # setting a max-prefix-out value
+        (
+            "router bgp\n address-family ipv4\n neighbor 192.168.255.1 maximum-prefix-out 3",
+            3,
+        ),
+        # setting a max-prefix-out value - higher than the total number of prefix
+        (
+            "router bgp\n address-family ipv4\n neighbor 192.168.255.1 maximum-prefix-out 8",
+            6,
+        ),
+        # adding a new prefix
+        ("router bgp\n int lo\n ip address 172.16.255.249/32", 7),
+        # setting a max-prefix-out value - lower than the total number of prefix
+        (
+            "router bgp\n address-family ipv4\n neighbor 192.168.255.1 maximum-prefix-out 1",
+            1,
+        ),
+        # adding a new prefix
+        ("router bgp\n int lo\n ip address 172.16.255.248/32", 1),
+        # removing the max-prefix-out value
+        (
+            "router bgp\n address-family ipv4\n no neighbor 192.168.255.1 maximum-prefix-out 1",
+            8,
+        ),
+        # test setting the existing neighbor into a peer-group with a max-prefix-out value
+        (
+            """
+                router bgp
+                 neighbor test peer-group
+                 neighbor test remote-as 65002
+                 neighbor test timers 3 10
+                 address-family ipv4
+                  neighbor test maximum-prefix-out 3
+                 !
+                 neighbor 192.168.255.1 peer-group test
+            """,
+            3,
+        ),
+        # max-prefix-out value of the neighbor must take the precedence
+        (
+            "router bgp\n address-family ipv4\n neighbor 192.168.255.1 maximum-prefix-out 4",
+            4,
+        ),
+        (
+            "router bgp\n address-family ipv4\n no neighbor 192.168.255.1 maximum-prefix-out",
+            3,
+        ),
+        (
+            """
+                router bgp
+                 no neighbor 192.168.255.1 peer-group test
+                 neighbor 192.168.255.1 remote-as 65002
+                 neighbor 192.168.255.1 timers 3 10
+            """,
+            8,
+        ),
+        (
+            "router bgp\n address-family ipv4\n neighbor 192.168.255.1 maximum-prefix-out 5",
+            5,
+        ),
+        # test setting the existing neighbor with a max-pref-out value into a peer-group with a max-pref-out value
+        ("router bgp\n neighbor 192.168.255.1 peer-group test", 5),
+        (
+            "router bgp\n address-family ipv4\n no neighbor 192.168.255.1 maximum-prefix-out 5",
+            3,
+        ),
+    ]
+
+    def _bgp_converge(router, nb_prefixes):
+        output = json.loads(router.vtysh_cmd("show ip bgp neighbor 192.168.255.2 json"))
+        expected = {
+            "192.168.255.2": {
+                "bgpState": "Established",
+                "addressFamilyInfo": {
+                    "ipv4Unicast": {"acceptedPrefixCounter": nb_prefixes}
+                },
+            }
+        }
+        return topotest.json_cmp(output, expected)
+
+    for test in tests:
+        cfg, exp_prfxs = test
+        if cfg:
+            cmd = (
+                """
+              configure terminal
+               %s
+            """
+                % cfg
+            )
+            router1.vtysh_cmd(cmd)
+
+        test_func = functools.partial(_bgp_converge, router2, exp_prfxs)
+        success, result = topotest.run_and_expect(test_func, None, count=30, wait=0.5)
+
+        assert result is None, 'Failed bgp convergence in "{}"'.format(router2)
+
+
+if __name__ == "__main__":
+    args = ["-s"] + sys.argv[1:]
+    sys.exit(pytest.main(args))