topotato: bgp_remove_private_as_route_map

test_bgp_remove_private_as_route_map.py

@@ -0,0 +1,82 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+# Copyright (C) 2023 Nathan Mangar
+
+"""
+Test if private AS is removed from AS_PATH attribute when route-map is used (prepend).
+"""
+
+__topotests_replaces__ = {
+    "bgp_remove_private_as_route_map/": "adb1c9aa519c80880635b57124fbda97062572d8",
+}
+
+# pylint: disable=invalid-name, missing-class-docstring, missing-function-docstring, line-too-long, consider-using-f-string, wildcard-import, unused-wildcard-import, f-string-without-interpolation, too-few-public-methods, unused-argument, attribute-defined-outside-init
+from topotato.v1 import *
+
+
+@topology_fixture()
+def topology(topo):
+    """
+    [ r1 ]
+      |
+    [ r2 ]
+
+    """
+
+
+class Configs(FRRConfigs):
+    zebra = """
+    #% extends "boilerplate.conf"
+    ## nothing needed
+    """
+
+    bgpd = """
+    #% block main
+    #%   if router.name == 'r1'
+    router bgp 65001
+     no bgp ebgp-requires-policy
+     neighbor {{ routers.r2.ifaces[0].ip4[0].ip }} remote-as external
+     neighbor {{ routers.r2.ifaces[0].ip4[0].ip }} timers 1 3
+     neighbor {{ routers.r2.ifaces[0].ip4[0].ip }} timers connect 1
+    !
+    #%   elif router.name == 'r2'
+    router bgp 65002
+     no bgp ebgp-requires-policy
+     neighbor {{ routers.r1.ifaces[0].ip4[0].ip }} remote-as external
+     neighbor {{ routers.r1.ifaces[0].ip4[0].ip }} timers 1 3
+     neighbor {{ routers.r1.ifaces[0].ip4[0].ip }} timers connect 1
+     address-family ipv4 unicast
+      redistribute connected
+      neighbor {{ routers.r1.ifaces[0].ip4[0].ip }} route-map r1 out
+      neighbor {{ routers.r1.ifaces[0].ip4[0].ip }} remove-private-AS all
+     exit-address-family
+    !
+    route-map r1 permit 10
+     set as-path prepend 65123 4200000001
+    !
+    #%   endif
+    #% endblock
+    """
+
+
+class BGP_Remove_Private_AS_Route_Map(
+    TestBase, AutoFixture, topo=topology, configs=Configs
+):
+    @topotatofunc
+    def check_routes(self, r1, r2):
+        expected = {
+            "routes": {
+                "10.255.0.2/32": [
+                    {
+                        "valid": True,
+                        "path": "65002",
+                    }
+                ]
+            }
+        }
+        yield from AssertVtysh.make(
+            r1,
+            "bgpd",
+            f"show bgp ipv4 unicast json",
+            maxwait=5.0,
+            compare=expected,
+        )