--- /dev/null
+#!/usr/bin/env python
+#
+# test_zebra_rib.py
+#
+# Copyright (c) 2019 by
+# Cumulus Networks, Inc
+# Donald Sharp
+#
+# 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.
+#
+
+"""
+test_zebra_rib.py: Test some basic zebra <-> kernel interactions
+"""
+
+import os
+import re
+import sys
+from functools import partial
+import pytest
+import json
+
+# 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 import topotest
+from lib.topogen import Topogen, TopoRouter, get_topogen
+from lib.topolog import logger
+
+# Required to instantiate the topology builder class.
+from mininet.topo import Topo
+
+class ZebraTopo(Topo):
+ "Test topology builder"
+ def build(self, *_args, **_opts):
+ "Build function"
+ tgen = get_topogen(self)
+
+ tgen.add_router('r1')
+
+ # Create a empty network for router 1
+ switch = tgen.add_switch('s1')
+ switch.add_link(tgen.gears['r1'])
+ switch.add_link(tgen.gears['r1'])
+ switch.add_link(tgen.gears['r1'])
+ switch.add_link(tgen.gears['r1'])
+ switch.add_link(tgen.gears['r1'])
+ switch.add_link(tgen.gears['r1'])
+ switch.add_link(tgen.gears['r1'])
+ switch.add_link(tgen.gears['r1'])
+
+def setup_module(mod):
+ "Sets up the pytest environment"
+ tgen = Topogen(ZebraTopo, mod.__name__)
+ tgen.start_topology()
+
+ router_list = tgen.routers()
+ for rname, router in router_list.iteritems():
+ router.load_config(
+ TopoRouter.RD_ZEBRA,
+ os.path.join(CWD, '{}/zebra.conf'.format(rname))
+ )
+
+ # Initialize all routers.
+ tgen.start_router()
+
+def teardown_module(mod):
+ "Teardown the pytest environment"
+ tgen = get_topogen()
+ tgen.stop_topology()
+
+def test_zebra_kernel_admin_distance():
+ "Test some basic kernel routes added that should be accepted"
+ logger.info("Test some basic kernel routes that should be accepted")
+ tgen = get_topogen()
+ if tgen.routers_have_failure():
+ pytest.skip('skipped because of router(s) failure')
+
+ r1 = tgen.gears['r1']
+
+ # Route with 255/8192 metric
+ r1.run('ip route add 4.5.1.0/24 via 192.168.210.2 dev r1-eth0 metric 4278198272')
+ # Route with 1/1 metric
+ r1.run('ip route add 4.5.2.0/24 via 192.168.211.2 dev r1-eth1 metric 16777217')
+ # Route with 10/1 metric
+ r1.run('ip route add 4.5.3.0/24 via 192.168.212.2 dev r1-eth2 metric 167772161')
+ # Same route with a 160/1 metric
+ r1.run('ip route add 4.5.3.0/24 via 192.168.213.2 dev r1-eth3 metric 2684354561')
+
+ #Currently I believe we have a bug here with the same route and different
+ #metric. That needs to be properly resolved. Making a note for
+ #coming back around later and fixing this.
+ #tgen.mininet_cli()
+ for i in range(1, 2):
+ json_file = '{}/r1/v4_route_{}.json'.format(CWD, i)
+ expected = json.loads(open(json_file).read())
+
+ test_func = partial(topotest.router_json_cmp,
+ r1,
+ 'show ip route 4.5.{}.0 json'.format(i),
+ expected)
+ _, result = topotest.run_and_expect(test_func, None, count=2, wait=.5)
+ assertmsg = '"r1" JSON output mismatches'
+ assert result is None, assertmsg
+ #tgen.mininet_cli()
+
+def test_zebra_kernel_override():
+ "Test that a FRR route with a lower admin distance takes over"
+ logger.info("Test kernel override with a better admin distance")
+ tgen = get_topogen()
+ if (tgen.routers_have_failure()):
+ ptyest.skip("skipped because of preview test failure")
+
+ r1 = tgen.gears['r1']
+ r1.vtysh_cmd("conf\nip route 4.5.1.0/24 192.168.216.3")
+ json_file = '{}/r1/v4_route_1_static_override.json'.format(CWD)
+ expected = json.loads(open(json_file).read())
+
+ test_func = partial(topotest.router_json_cmp,
+ r1, 'show ip route 4.5.1.0 json', expected)
+ _, result = topotest.run_and_expect(test_func, None, count=2, wait=.5)
+ assert result is None, '"r1" JSON output mismatches'
+
+ logger.info("Test that the removal of the static route allows the kernel to take back over")
+ r1.vtysh_cmd("conf\nno ip route 4.5.1.0/24 192.168.216.3")
+ json_file = '{}/r1/v4_route_1.json'.format(CWD)
+ expected = json.loads(open(json_file).read())
+
+ test_func = partial(topotest.router_json_cmp,
+ r1, 'show ip route 4.5.1.0 json', expected)
+ _, result = topotest.run_and_expect(test_func, None, count=2, wait=.5)
+ assert result is None, '"r1" JSON output mismatches'
+
+
+def test_memory_leak():
+ "Run the memory leak test and report results."
+ tgen = get_topogen()
+ if not tgen.is_memleak_enabled():
+ pytest.skip('Memory leak test/report is disabled')
+
+ tgen.report_memory_leaks()
+
+if __name__ == '__main__':
+ args = ["-s"] + sys.argv[1:]
+ sys.exit(pytest.main(args))
projects / mirror_frr.git / commitdiff