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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 09:53:30 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 09:53:30 +0000
commit2c7cac91ed6e7db0f6937923d2b57f97dbdbc337 (patch)
treec05dc0f8e6aa3accc84e3e5cffc933ed94941383 /tests/topotests/bgp_communities_topo1
parentInitial commit. (diff)
downloadfrr-upstream.tar.xz
frr-upstream.zip
Adding upstream version 8.4.4.upstream/8.4.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/topotests/bgp_communities_topo1')
-rw-r--r--tests/topotests/bgp_communities_topo1/bgp_communities.json175
-rw-r--r--tests/topotests/bgp_communities_topo1/bgp_communities_topo2.json191
-rw-r--r--tests/topotests/bgp_communities_topo1/test_bgp_communities.py643
-rw-r--r--tests/topotests/bgp_communities_topo1/test_bgp_communities_topo2.py404
4 files changed, 1413 insertions, 0 deletions
diff --git a/tests/topotests/bgp_communities_topo1/bgp_communities.json b/tests/topotests/bgp_communities_topo1/bgp_communities.json
new file mode 100644
index 0000000..da6aec2
--- /dev/null
+++ b/tests/topotests/bgp_communities_topo1/bgp_communities.json
@@ -0,0 +1,175 @@
+{
+ "address_types": [
+ "ipv4",
+ "ipv6"
+ ],
+ "ipv4base": "10.0.0.0",
+ "ipv4mask": 30,
+ "ipv6base": "fd00::",
+ "ipv6mask": 64,
+ "link_ip_start": {
+ "ipv4": "10.0.0.0",
+ "v4mask": 30,
+ "ipv6": "fd00::",
+ "v6mask": 64
+ },
+ "lo_prefix": {
+ "ipv4": "1.0.",
+ "v4mask": 32,
+ "ipv6": "2001:db8:f::",
+ "v6mask": 128
+ },
+ "routers": {
+ "r1": {
+ "links": {
+ "lo": {
+ "ipv4": "auto",
+ "ipv6": "auto",
+ "type": "loopback"
+ },
+ "r2": {
+ "ipv4": "auto",
+ "ipv6": "auto"
+ },
+ "r0": {
+ "ipv4": "auto",
+ "ipv6": "auto"
+ }
+ },
+ "bgp": {
+ "local_as": "100",
+ "address_family": {
+ "ipv4": {
+ "unicast": {
+ "neighbor": {
+ "r2": {
+ "dest_link": {
+ "r1": {}
+ }
+ }
+ }
+ }
+ },
+ "ipv6": {
+ "unicast": {
+ "neighbor": {
+ "r2": {
+ "dest_link": {
+ "r1": {}
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ },
+ "r2": {
+ "links": {
+ "lo": {
+ "ipv4": "auto",
+ "ipv6": "auto",
+ "type": "loopback"
+ },
+ "r1": {
+ "ipv4": "auto",
+ "ipv6": "auto"
+ },
+ "r3": {
+ "ipv4": "auto",
+ "ipv6": "auto"
+ }
+ },
+ "bgp": {
+ "local_as": "200",
+ "address_family": {
+ "ipv4": {
+ "unicast": {
+ "neighbor": {
+ "r1": {
+ "dest_link": {
+ "r2": {}
+ }
+ },
+ "r3": {
+ "dest_link": {
+ "r2": {}
+ }
+ }
+ }
+ }
+ },
+ "ipv6": {
+ "unicast": {
+ "neighbor": {
+ "r1": {
+ "dest_link": {
+ "r2": {}
+ }
+ },
+ "r3": {
+ "dest_link": {
+ "r2": {}
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ },
+ "r3": {
+ "links": {
+ "lo": {
+ "ipv4": "auto",
+ "ipv6": "auto",
+ "type": "loopback"
+ },
+ "r2": {
+ "ipv4": "auto",
+ "ipv6": "auto"
+ }
+ },
+ "bgp": {
+ "local_as": "300",
+ "address_family": {
+ "ipv4": {
+ "unicast": {
+ "neighbor": {
+ "r2": {
+ "dest_link": {
+ "r3": {}
+ }
+ }
+ }
+ }
+ },
+ "ipv6": {
+ "unicast": {
+ "neighbor": {
+ "r2": {
+ "dest_link": {
+ "r3": {}
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ },
+ "r0": {
+ "links": {
+ "lo": {
+ "ipv4": "auto",
+ "ipv6": "auto",
+ "type": "loopback"
+ },
+ "r1": {
+ "ipv4": "auto",
+ "ipv6": "auto"
+ }
+ }
+ }
+ }
+} \ No newline at end of file
diff --git a/tests/topotests/bgp_communities_topo1/bgp_communities_topo2.json b/tests/topotests/bgp_communities_topo1/bgp_communities_topo2.json
new file mode 100644
index 0000000..fa89f6b
--- /dev/null
+++ b/tests/topotests/bgp_communities_topo1/bgp_communities_topo2.json
@@ -0,0 +1,191 @@
+{
+ "address_types": [
+ "ipv4",
+ "ipv6"
+ ],
+ "ipv4base": "10.0.0.0",
+ "ipv4mask": 24,
+ "ipv6base": "fd00::",
+ "ipv6mask": 64,
+ "link_ip_start": {
+ "ipv4": "10.0.0.0",
+ "v4mask": 24,
+ "ipv6": "fd00::",
+ "v6mask": 64
+ },
+ "lo_prefix": {
+ "ipv4": "1.0.",
+ "v4mask": 32,
+ "ipv6": "2001:db8:f::",
+ "v6mask": 128
+ },
+ "routers": {
+ "r1": {
+ "links": {
+ "lo": {
+ "ipv4": "auto",
+ "ipv6": "auto",
+ "type": "loopback"
+ },
+ "r2": {
+ "ipv4": "auto",
+ "ipv6": "auto"
+ },
+ "r3": {
+ "ipv4": "auto",
+ "ipv6": "auto"
+ }
+ },
+ "bgp": {
+ "local_as": "100",
+ "address_family": {
+ "ipv4": {
+ "unicast": {
+ "neighbor": {
+ "r2": {
+ "dest_link": {
+ "r1": {}
+ }
+ },
+ "r3": {
+ "dest_link": {
+ "r1": {
+ }
+ }
+ }
+ }
+ }
+ },
+ "ipv6": {
+ "unicast": {
+ "neighbor": {
+ "r2": {
+ "dest_link": {
+ "r1": {
+ }
+ }
+ },
+ "r3": {
+ "dest_link": {
+ "r1": {
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ },
+ "r2": {
+ "links": {
+ "lo": {
+ "ipv4": "auto",
+ "ipv6": "auto",
+ "type": "loopback"
+ },
+ "r1": {
+ "ipv4": "auto",
+ "ipv6": "auto"
+ }
+ },
+ "bgp": {
+ "local_as": "100",
+ "address_family": {
+ "ipv4": {
+ "unicast": {
+ "neighbor": {
+ "r1": {
+ "dest_link": {
+ "r2": {}
+ }
+ }
+ }
+ }
+ },
+ "ipv6": {
+ "unicast": {
+ "neighbor": {
+ "r1": {
+ "dest_link": {
+ "r2": {
+ "route_maps": [{
+ "name": "rmap_global",
+ "direction": "in"
+ }]
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ },
+ "route_maps": {
+ "rmap_global": [{
+ "action": "permit",
+ "set": {
+ "ipv6": {
+ "nexthop": "prefer-global"
+ }
+ }
+ }]
+ }
+ },
+ "r3": {
+ "links": {
+ "lo": {
+ "ipv4": "auto",
+ "ipv6": "auto",
+ "type": "loopback"
+ },
+ "r1": {
+ "ipv4": "auto",
+ "ipv6": "auto"
+ }
+ },
+ "bgp": {
+ "local_as": "300",
+ "address_family": {
+ "ipv4": {
+ "unicast": {
+ "neighbor": {
+ "r1": {
+ "dest_link": {
+ "r3": {}
+ }
+ }
+ }
+ }
+ },
+ "ipv6": {
+ "unicast": {
+ "neighbor": {
+ "r1": {
+ "dest_link": {
+ "r3": {
+ "route_maps": [{
+ "name": "rmap_global",
+ "direction": "in"
+ }]
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ },
+ "route_maps": {
+ "rmap_global": [{
+ "action": "permit",
+ "set": {
+ "ipv6": {
+ "nexthop": "prefer-global"
+ }
+ }
+ }]
+ }
+ }
+ }
+}
diff --git a/tests/topotests/bgp_communities_topo1/test_bgp_communities.py b/tests/topotests/bgp_communities_topo1/test_bgp_communities.py
new file mode 100644
index 0000000..e4c25ff
--- /dev/null
+++ b/tests/topotests/bgp_communities_topo1/test_bgp_communities.py
@@ -0,0 +1,643 @@
+#!/usr/bin/python
+
+#
+# Copyright (c) 2020 by VMware, Inc. ("VMware")
+# Used Copyright (c) 2018 by Network Device Education Foundation,
+# Inc. ("NetDEF") in this file.
+#
+# 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 VMWARE DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL VMWARE 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.
+#
+
+"""
+Following tests are covered to test bgp community functionality:
+- Verify routes are not advertised when NO-ADVERTISE Community is applied
+
+"""
+
+import os
+import sys
+import time
+import pytest
+
+# Save the Current Working Directory to find configuration files.
+CWD = os.path.dirname(os.path.realpath(__file__))
+sys.path.append(os.path.join(CWD, "../"))
+
+# pylint: disable=C0413
+# Import topogen and topotest helpers
+from lib.topogen import Topogen, get_topogen
+
+# Import topoJson from lib, to create topology and initial configuration
+from lib.common_config import (
+ start_topology,
+ write_test_header,
+ write_test_footer,
+ reset_config_on_routers,
+ verify_rib,
+ create_static_routes,
+ check_address_types,
+ step,
+ create_route_maps,
+ create_prefix_lists,
+ create_route_maps,
+ required_linux_kernel_version,
+)
+from lib.topolog import logger
+from lib.bgp import (
+ verify_bgp_convergence,
+ create_router_bgp,
+ verify_bgp_rib,
+)
+from lib.topojson import build_config_from_json
+from copy import deepcopy
+
+pytestmark = [pytest.mark.bgpd, pytest.mark.staticd]
+
+
+# Global variables
+BGP_CONVERGENCE = False
+ADDR_TYPES = check_address_types()
+NETWORK = {"ipv4": "2.2.2.2/32", "ipv6": "22:22::2/128"}
+NEXT_HOP_IP = {}
+
+
+def setup_module(mod):
+ """
+ Sets up the pytest environment
+
+ * `mod`: module name
+ """
+
+ # Required linux kernel version for this suite to run.
+ result = required_linux_kernel_version("4.15")
+ if result is not True:
+ pytest.skip("Kernel requirements are not met")
+
+ testsuite_run_time = time.asctime(time.localtime(time.time()))
+ logger.info("Testsuite start time: {}".format(testsuite_run_time))
+ logger.info("=" * 40)
+
+ logger.info("Running setup_module to create topology")
+
+ # This function initiates the topology build with Topogen...
+ json_file = "{}/bgp_communities.json".format(CWD)
+ tgen = Topogen(json_file, mod.__name__)
+ global topo
+ topo = tgen.json_topo
+ # ... and here it calls Mininet initialization functions.
+
+ # Starting topology, create tmp files which are loaded to routers
+ # to start daemons and then start routers
+ start_topology(tgen)
+
+ # Creating configuration from JSON
+ build_config_from_json(tgen, topo)
+
+ # Checking BGP convergence
+ global BGP_CONVERGENCE
+ global ADDR_TYPES
+
+ # Don't run this test if we have any failure.
+ if tgen.routers_have_failure():
+ pytest.skip(tgen.errors)
+
+ # Api call verify whether BGP is converged
+ BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo)
+ assert BGP_CONVERGENCE is True, "setup_module :Failed \n Error:" " {}".format(
+ BGP_CONVERGENCE
+ )
+
+ logger.info("Running setup_module() done")
+
+
+def teardown_module(mod):
+ """
+ Teardown the pytest environment
+
+ * `mod`: module name
+ """
+
+ logger.info("Running teardown_module to delete topology")
+
+ tgen = get_topogen()
+
+ # Stop toplogy and Remove tmp files
+ tgen.stop_topology()
+
+ logger.info(
+ "Testsuite end time: {}".format(time.asctime(time.localtime(time.time())))
+ )
+ logger.info("=" * 40)
+
+
+#####################################################
+#
+# Tests starting
+#
+#####################################################
+
+
+def test_bgp_no_advertise_community_p0(request):
+ """
+ Verify routes are not advertised when NO-ADVERTISE Community is applied
+
+ """
+
+ tc_name = request.node.name
+ write_test_header(tc_name)
+ tgen = get_topogen()
+ reset_config_on_routers(tgen)
+
+ # Don't run this test if we have any failure.
+ if tgen.routers_have_failure():
+ pytest.skip(tgen.errors)
+
+ NEXT_HOP_IP = {
+ "ipv4": topo["routers"]["r0"]["links"]["r1"]["ipv4"].split("/")[0],
+ "ipv6": topo["routers"]["r0"]["links"]["r1"]["ipv6"].split("/")[0],
+ }
+
+ # configure static routes
+ dut = "r3"
+ protocol = "bgp"
+
+ for addr_type in ADDR_TYPES:
+ # Enable static routes
+ input_dict = {
+ "r1": {
+ "static_routes": [
+ {"network": NETWORK[addr_type], "next_hop": NEXT_HOP_IP[addr_type]}
+ ]
+ }
+ }
+
+ logger.info("Configure static routes")
+ result = create_static_routes(tgen, input_dict)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("configure redistribute static and connected in Router BGP " "in R1")
+
+ input_dict_2 = {
+ "r1": {
+ "bgp": {
+ "address_family": {
+ addr_type: {
+ "unicast": {
+ "redistribute": [
+ {"redist_type": "static"},
+ {"redist_type": "connected"},
+ ]
+ }
+ }
+ }
+ }
+ }
+ }
+ result = create_router_bgp(tgen, topo, input_dict_2)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step(
+ "BGP neighbors are up, static and connected route advertised from"
+ " R1 are present on R2 BGP table and RIB using show ip bgp and "
+ " show ip route"
+ )
+ step(
+ "Static and connected route advertised from R1 are present on R3"
+ " BGP table and RIB using show ip bgp and show ip route"
+ )
+
+ dut = "r3"
+ protocol = "bgp"
+ result = verify_bgp_rib(tgen, addr_type, dut, input_dict)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ result = verify_rib(tgen, addr_type, dut, input_dict, protocol=protocol)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("Configure prefix list P1 on R2 to permit route coming from R1")
+ # Create ip prefix list
+ input_dict_2 = {
+ "r2": {
+ "prefix_lists": {
+ addr_type: {
+ "pf_list_1_{}".format(addr_type): [
+ {"seqid": 10, "network": "any", "action": "permit"}
+ ]
+ }
+ }
+ }
+ }
+ result = create_prefix_lists(tgen, input_dict_2)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ # Create route map
+ input_dict_3 = {
+ "r2": {
+ "route_maps": {
+ "rmap_match_pf_1_{}".format(addr_type): [
+ {
+ "action": "permit",
+ "seq_id": "5",
+ "match": {
+ addr_type: {"prefix_lists": "pf_list_1_" + addr_type}
+ },
+ "set": {"community": {"num": "no-advertise"}},
+ }
+ ]
+ }
+ }
+ }
+ result = create_route_maps(tgen, input_dict_3)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+ step(
+ "Apply route-map RM1 on R2, R2 to R3 BGP neighbor with no"
+ " advertise community"
+ )
+ # Configure neighbor for route map
+ input_dict_4 = {
+ "r2": {
+ "bgp": {
+ "address_family": {
+ addr_type: {
+ "unicast": {
+ "neighbor": {
+ "r1": {
+ "dest_link": {
+ "r2": {
+ "route_maps": [
+ {
+ "name": "rmap_match_pf_1_"
+ + addr_type,
+ "direction": "in",
+ }
+ ]
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ result = create_router_bgp(tgen, topo, input_dict_4)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step(
+ "After advertising no advertise community to BGP neighbor "
+ "static and connected router got removed from R3 verify using "
+ "show ip bgp & show ip route"
+ )
+
+ result = verify_bgp_rib(tgen, addr_type, dut, input_dict, expected=False)
+ assert result is not True, "Testcase {} : Failed \n ".format(
+ tc_name
+ ) + " Routes still present in R3 router. Error: {}".format(result)
+
+ result = verify_rib(
+ tgen, addr_type, dut, input_dict, protocol=protocol, expected=False
+ )
+ assert (
+ result is not True
+ ), "Testcase {} : Failed \n Routes still present in R3 router. Error: {}".format(
+ tc_name, result
+ )
+
+ step("Remove and Add no advertise community")
+ # Configure neighbor for route map
+ input_dict_4 = {
+ "r2": {
+ "bgp": {
+ "address_family": {
+ addr_type: {
+ "unicast": {
+ "neighbor": {
+ "r1": {
+ "dest_link": {
+ "r2": {
+ "route_maps": [
+ {
+ "name": "rmap_match_pf_1_"
+ + addr_type,
+ "direction": "in",
+ "delete": True,
+ }
+ ]
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ result = create_router_bgp(tgen, topo, input_dict_4)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step(
+ "After removing no advertise community from BGP neighbor "
+ "static and connected router got advertised to R3 and "
+ "removing route-map, verify route using show ip bgp"
+ " and show ip route"
+ )
+
+ result = verify_bgp_rib(tgen, addr_type, dut, input_dict)
+ assert (
+ result is True
+ ), "Testcase {} : Failed \n Routes still present in R3 router. Error: {}".format(
+ tc_name, result
+ )
+
+ result = verify_rib(tgen, addr_type, dut, input_dict, protocol=protocol)
+ assert (
+ result is True
+ ), "Testcase {} : Failed \n Routes still present in R3 router. Error: {}".format(
+ tc_name, result
+ )
+
+ step("Repeat above steps when IBGP nbr configured between R1, R2 & R2, R3")
+ topo1 = deepcopy(topo)
+
+ topo1["routers"]["r1"]["bgp"]["local_as"] = "100"
+ topo1["routers"]["r2"]["bgp"]["local_as"] = "100"
+ topo1["routers"]["r3"]["bgp"]["local_as"] = "100"
+
+ for rtr in ["r1", "r2", "r3"]:
+ if "bgp" in topo1["routers"][rtr].keys():
+ delete_bgp = {rtr: {"bgp": {"delete": True}}}
+ result = create_router_bgp(tgen, topo1, delete_bgp)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+ config_bgp = {
+ rtr: {"bgp": {"local_as": topo1["routers"][rtr]["bgp"]["local_as"]}}
+ }
+ result = create_router_bgp(tgen, topo1, config_bgp)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ build_config_from_json(tgen, topo1, save_bkup=False)
+
+ step("verify bgp convergence before starting test case")
+
+ bgp_convergence = verify_bgp_convergence(tgen, topo1)
+ assert bgp_convergence is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, bgp_convergence
+ )
+
+ # configure static routes
+ dut = "r3"
+ protocol = "bgp"
+
+ for addr_type in ADDR_TYPES:
+ # Enable static routes
+ input_dict = {
+ "r1": {
+ "static_routes": [
+ {"network": NETWORK[addr_type], "next_hop": NEXT_HOP_IP[addr_type]}
+ ]
+ }
+ }
+
+ logger.info("Configure static routes")
+ result = create_static_routes(tgen, input_dict)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("configure redistribute static and connected in Router " "BGP in R1")
+
+ input_dict_2 = {
+ "r1": {
+ "bgp": {
+ "address_family": {
+ addr_type: {
+ "unicast": {
+ "redistribute": [
+ {"redist_type": "static"},
+ {"redist_type": "connected"},
+ ]
+ }
+ }
+ }
+ }
+ }
+ }
+ result = create_router_bgp(tgen, topo, input_dict_2)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step(
+ "BGP neighbors are up, static and connected route advertised from"
+ " R1 are present on R2 BGP table and RIB using show ip bgp and "
+ " show ip route"
+ )
+ step(
+ "Static and connected route advertised from R1 are present on R3"
+ " BGP table and RIB using show ip bgp and show ip route"
+ )
+
+ dut = "r2"
+ protocol = "bgp"
+ result = verify_bgp_rib(tgen, addr_type, dut, input_dict)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ result = verify_rib(tgen, addr_type, dut, input_dict, protocol=protocol)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("Configure prefix list P1 on R2 to permit route coming from R1")
+ # Create ip prefix list
+ input_dict_2 = {
+ "r2": {
+ "prefix_lists": {
+ addr_type: {
+ "pf_list_1_{}".format(addr_type): [
+ {"seqid": 10, "network": "any", "action": "permit"}
+ ]
+ }
+ }
+ }
+ }
+ result = create_prefix_lists(tgen, input_dict_2)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ # Create route map
+ input_dict_3 = {
+ "r2": {
+ "route_maps": {
+ "rmap_match_pf_1_{}".format(addr_type): [
+ {
+ "action": "permit",
+ "seq_id": "5",
+ "match": {
+ addr_type: {"prefix_lists": "pf_list_1_" + addr_type}
+ },
+ "set": {"community": {"num": "no-advertise"}},
+ }
+ ]
+ }
+ }
+ }
+ result = create_route_maps(tgen, input_dict_3)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+ step(
+ "Apply route-map RM1 on R2, R2 to R3 BGP neighbor with no"
+ " advertise community"
+ )
+
+ # Configure neighbor for route map
+ input_dict_4 = {
+ "r2": {
+ "bgp": {
+ "address_family": {
+ addr_type: {
+ "unicast": {
+ "neighbor": {
+ "r1": {
+ "dest_link": {
+ "r2": {
+ "route_maps": [
+ {
+ "name": "rmap_match_pf_1_"
+ + addr_type,
+ "direction": "in",
+ }
+ ]
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ result = create_router_bgp(tgen, topo, input_dict_4)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step(
+ "After advertising no advertise community to BGP neighbor "
+ "static and connected router got removed from R3 verify using "
+ "show ip bgp & show ip route"
+ )
+
+ result = verify_bgp_rib(tgen, addr_type, dut, input_dict)
+ assert (
+ result is True
+ ), "Testcase {} : Failed \n Routes still present in R3 router. Error: {}".format(
+ tc_name, result
+ )
+
+ result = verify_rib(tgen, addr_type, dut, input_dict, protocol=protocol)
+ assert (
+ result is True
+ ), "Testcase {} : Failed \n Routes still present in R3 router. Error: {}".format(
+ tc_name, result
+ )
+
+ step("Remove and Add no advertise community")
+ # Configure neighbor for route map
+ input_dict_4 = {
+ "r2": {
+ "bgp": {
+ "address_family": {
+ addr_type: {
+ "unicast": {
+ "neighbor": {
+ "r1": {
+ "dest_link": {
+ "r2": {
+ "route_maps": [
+ {
+ "name": "rmap_match_pf_1_"
+ + addr_type,
+ "direction": "in",
+ "delete": True,
+ }
+ ]
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ result = create_router_bgp(tgen, topo, input_dict_4)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step(
+ "After removing no advertise community from BGP neighbor "
+ "static and connected router got advertised to R3 and "
+ "removing route verify using show ip bgp and "
+ " show ip route"
+ )
+
+ result = verify_bgp_rib(tgen, addr_type, dut, input_dict)
+ assert (
+ result is True
+ ), "Testcase {} : Failed \n Routes still present in R3 router. Error: {}".format(
+ tc_name, result
+ )
+
+ result = verify_rib(tgen, addr_type, dut, input_dict, protocol=protocol)
+ assert (
+ result is True
+ ), "Testcase {} : Failed \n Routes still present in R3 router. Error: {}".format(
+ tc_name, result
+ )
+
+ write_test_footer(tc_name)
+
+
+if __name__ == "__main__":
+ args = ["-s"] + sys.argv[1:]
+ sys.exit(pytest.main(args))
diff --git a/tests/topotests/bgp_communities_topo1/test_bgp_communities_topo2.py b/tests/topotests/bgp_communities_topo1/test_bgp_communities_topo2.py
new file mode 100644
index 0000000..f6ee9ea
--- /dev/null
+++ b/tests/topotests/bgp_communities_topo1/test_bgp_communities_topo2.py
@@ -0,0 +1,404 @@
+#!/usr/bin/python
+
+#
+# Copyright (c) 2020 by VMware, Inc. ("VMware")
+# Used Copyright (c) 2018 by Network Device Education Foundation,
+# Inc. ("NetDEF") in this file.
+#
+# 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 VMWARE DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL VMWARE 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.
+#
+
+"""
+Following tests are covered to test bgp community functionality:
+1. Verify that BGP well known communities work fine for
+ eBGP and iBGP peers.
+ Well known communities tested: no-export, local-AS, internet
+
+"""
+
+import os
+import sys
+import time
+import pytest
+
+# Save the Current Working Directory to find configuration files.
+CWD = os.path.dirname(os.path.realpath(__file__))
+sys.path.append(os.path.join(CWD, "../"))
+
+# pylint: disable=C0413
+# Import topogen and topotest helpers
+from lib.topogen import Topogen, get_topogen
+
+# Import topoJson from lib, to create topology and initial configuration
+from lib.common_config import (
+ start_topology,
+ write_test_header,
+ write_test_footer,
+ reset_config_on_routers,
+ verify_rib,
+ create_static_routes,
+ check_address_types,
+ step,
+ create_route_maps,
+ create_route_maps,
+ required_linux_kernel_version,
+)
+
+from lib.topolog import logger
+from lib.bgp import (
+ verify_bgp_convergence,
+ create_router_bgp,
+ verify_bgp_rib,
+ verify_bgp_community,
+)
+from lib.topojson import build_config_from_json
+
+pytestmark = [pytest.mark.bgpd, pytest.mark.staticd]
+
+
+# Global variables
+BGP_CONVERGENCE = False
+ADDR_TYPES = check_address_types()
+NETWORK = {
+ "ipv4": ["192.0.2.1/32", "192.0.2.2/32"],
+ "ipv6": ["2001:DB8::1:1/128", "2001:DB8::1:2/128"],
+}
+
+
+def setup_module(mod):
+ """
+ Sets up the pytest environment
+
+ * `mod`: module name
+ """
+
+ # Required linux kernel version for this suite to run.
+ result = required_linux_kernel_version("4.14")
+ if result is not True:
+ pytest.skip("Kernel requirements are not met")
+
+ testsuite_run_time = time.asctime(time.localtime(time.time()))
+ logger.info("Testsuite start time: {}".format(testsuite_run_time))
+ logger.info("=" * 40)
+
+ logger.info("Running setup_module to create topology")
+
+ # This function initiates the topology build with Topogen...
+ json_file = "{}/bgp_communities_topo2.json".format(CWD)
+ tgen = Topogen(json_file, mod.__name__)
+ global topo
+ topo = tgen.json_topo
+ # ... and here it calls Mininet initialization functions.
+
+ # Starting topology, create tmp files which are loaded to routers
+ # to start daemons and then start routers
+ start_topology(tgen)
+
+ # Creating configuration from JSON
+ build_config_from_json(tgen, topo)
+
+ # Checking BGP convergence
+ global BGP_CONVERGENCE
+ global ADDR_TYPES
+
+ # Don't run this test if we have any failure.
+ if tgen.routers_have_failure():
+ pytest.skip(tgen.errors)
+
+ # Api call verify whether BGP is converged
+ BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo)
+ assert BGP_CONVERGENCE is True, "setup_module :Failed \n Error:" " {}".format(
+ BGP_CONVERGENCE
+ )
+
+ logger.info("Running setup_module() done")
+
+
+def teardown_module(mod):
+ """
+ Teardown the pytest environment
+
+ * `mod`: module name
+ """
+
+ logger.info("Running teardown_module to delete topology")
+
+ tgen = get_topogen()
+
+ # Stop toplogy and Remove tmp files
+ tgen.stop_topology()
+
+ logger.info(
+ "Testsuite end time: {}".format(time.asctime(time.localtime(time.time())))
+ )
+ logger.info("=" * 40)
+
+
+#####################################################
+#
+# Tests starting
+#
+#####################################################
+
+
+def test_bgp_no_export_local_as_and_internet_communities_p0(request):
+ """
+ Verify that BGP well known communities work fine for
+ eBGP and iBGP peers.
+ Well known communities tested: no-export, local-AS, internet
+ """
+
+ tc_name = request.node.name
+ write_test_header(tc_name)
+ tgen = get_topogen()
+
+ # Don"t run this test if we have any failure.
+ if tgen.routers_have_failure():
+ pytest.skip(tgen.errors)
+
+ step("Initial config: Configure BGP neighborship between R1 and R3.")
+ reset_config_on_routers(tgen)
+
+ step("Configure static routes on R1 with next-hop as null0")
+ for addr_type in ADDR_TYPES:
+ input_dict_4 = {
+ "r1": {
+ "static_routes": [{"network": NETWORK[addr_type], "next_hop": "null0"}]
+ }
+ }
+ result = create_static_routes(tgen, input_dict_4)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ for comm_type in ["no-export", "local-AS", "internet"]:
+
+ step("Create a route-map on R1 to set community as {}".format(comm_type))
+
+ seq_id = 10
+ input_rmap = {
+ "r1": {
+ "route_maps": {
+ "rmap_wkc": [
+ {
+ "action": "permit",
+ "seq_id": seq_id,
+ "set": {"community": {"num": "{}".format(comm_type)}},
+ }
+ ]
+ }
+ }
+ }
+ result = create_route_maps(tgen, input_rmap)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("Apply route-map while redistributing static routes into BGP")
+ input_dict_2 = {
+ "r1": {
+ "bgp": {
+ "address_family": {
+ "ipv4": {
+ "unicast": {
+ "redistribute": [
+ {
+ "redist_type": "static",
+ "attribute": {"route-map": "rmap_wkc"},
+ }
+ ]
+ }
+ },
+ "ipv6": {
+ "unicast": {
+ "redistribute": [
+ {
+ "redist_type": "static",
+ "attribute": {"route-map": "rmap_wkc"},
+ }
+ ]
+ }
+ },
+ }
+ }
+ }
+ }
+ result = create_router_bgp(tgen, topo, input_dict_2)
+
+ step("Verify that BGP prefixes on R1 have community: {}".format(comm_type))
+ input_dict_4 = {"community": "{}".format(comm_type)}
+ for addr_type in ADDR_TYPES:
+ result = verify_bgp_community(
+ tgen, addr_type, "r1", NETWORK[addr_type], input_dict_4
+ )
+ assert result is True, "Test case {} : Should fail \n Error: {}".format(
+ tc_name, result
+ )
+
+ for addr_type in ADDR_TYPES:
+ input_dict_4 = {
+ "r1": {
+ "static_routes": [
+ {
+ "network": NETWORK[addr_type],
+ "next_hop": topo["routers"]["r2"]["links"]["r1"][
+ addr_type
+ ].split("/")[0],
+ }
+ ]
+ }
+ }
+ result = verify_bgp_rib(
+ tgen,
+ addr_type,
+ "r2",
+ input_dict_4,
+ next_hop=topo["routers"]["r1"]["links"]["r2"][addr_type].split("/")[0],
+ )
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ if comm_type == "internet":
+ step(
+ "Verify that these prefixes, originated on R1, are"
+ "received on both R2 and R3"
+ )
+
+ result = verify_rib(
+ tgen,
+ addr_type,
+ "r3",
+ input_dict_4,
+ next_hop=topo["routers"]["r1"]["links"]["r3"][addr_type].split("/")[
+ 0
+ ],
+ )
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+ else:
+ step(
+ "Verify that these prefixes, originated on R1, are not"
+ "received on R3 but received on R2"
+ )
+
+ result = verify_rib(
+ tgen,
+ addr_type,
+ "r3",
+ input_dict_4,
+ next_hop=topo["routers"]["r1"]["links"]["r3"][addr_type].split("/")[
+ 0
+ ],
+ expected=False,
+ )
+ assert result is not True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("Remove route-map from redistribute static on R1")
+ input_dict_2 = {
+ "r1": {
+ "bgp": {
+ "address_family": {
+ "ipv4": {
+ "unicast": {
+ "redistribute": [
+ {"redist_type": "static", "delete": True}
+ ]
+ }
+ },
+ "ipv6": {
+ "unicast": {
+ "redistribute": [
+ {"redist_type": "static", "delete": True}
+ ]
+ }
+ },
+ }
+ }
+ }
+ }
+ result = create_router_bgp(tgen, topo, input_dict_2)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("Configure redistribute static")
+ input_dict_2 = {
+ "r1": {
+ "bgp": {
+ "address_family": {
+ "ipv4": {
+ "unicast": {"redistribute": [{"redist_type": "static"}]}
+ },
+ "ipv6": {
+ "unicast": {"redistribute": [{"redist_type": "static"}]}
+ },
+ }
+ }
+ }
+ }
+ result = create_router_bgp(tgen, topo, input_dict_2)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step(
+ "Verify that these prefixes, originated on R1, are now"
+ "received on both routers R2 and R3"
+ )
+ for addr_type in ADDR_TYPES:
+ input_dict_4 = {
+ "r1": {
+ "static_routes": [
+ {
+ "network": NETWORK[addr_type],
+ "next_hop": topo["routers"]["r2"]["links"]["r1"][
+ addr_type
+ ].split("/")[0],
+ }
+ ]
+ }
+ }
+ result = verify_bgp_rib(
+ tgen,
+ addr_type,
+ "r2",
+ input_dict_4,
+ next_hop=topo["routers"]["r1"]["links"]["r2"][addr_type].split("/")[0],
+ )
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ result = verify_bgp_rib(
+ tgen,
+ addr_type,
+ "r3",
+ input_dict_4,
+ next_hop=topo["routers"]["r1"]["links"]["r3"][addr_type].split("/")[0],
+ )
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ write_test_footer(tc_name)
+
+
+if __name__ == "__main__":
+ args = ["-s"] + sys.argv[1:]
+ sys.exit(pytest.main(args))