--- /dev/null
+#!/usr/bin/env python
+
+#
+# test_ospf_sr_topo1.py
+# Part of NetDEF Topology Tests
+#
+# Copyright (c) 2017 by
+# Network Device Education Foundation, Inc. ("NetDEF")
+#
+# 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_ospf_sr_topo1.py: Test the FRR OSPF routing daemon with Segment Routing.
+"""
+
+import os
+import sys
+from functools import partial
+
+# 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
+# Required to instantiate the topology builder class.
+from mininet.topo import Topo
+# Import topogen and topotest helpers
+from lib import topotest
+from lib.topogen import Topogen, TopoRouter, get_topogen
+from lib.topolog import logger
+# and Finally pytest
+import pytest
+
+
+class OspfSrTopo(Topo):
+ "Test topology builder"
+ def build(self):
+ "Build function"
+ tgen = get_topogen(self)
+
+ # Check for mpls
+ if tgen.hasmpls is not True:
+ tgen.set_error('MPLS not available, tests will be skipped')
+
+ # Create 4 routers
+ for routern in range(1, 5):
+ tgen.add_router('r{}'.format(routern))
+
+ # Interconect router 1 and 2
+ switch = tgen.add_switch('s1')
+ switch.add_link(tgen.gears['r1'])
+ switch.add_link(tgen.gears['r2'])
+
+ # Interconect router 3 and 2
+ switch = tgen.add_switch('s2')
+ switch.add_link(tgen.gears['r3'])
+ switch.add_link(tgen.gears['r2'])
+
+ # Interconect router 4 and 2
+ switch = tgen.add_switch('s3')
+ switch.add_link(tgen.gears['r4'])
+ switch.add_link(tgen.gears['r2'])
+
+
+def setup_module(mod):
+ "Sets up the pytest environment"
+
+ logger.info('\n\n---- Starting OSPF Segment Routing tests ----\n')
+
+ tgen = Topogen(OspfSrTopo, 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))
+ )
+ router.load_config(
+ TopoRouter.RD_OSPF,
+ os.path.join(CWD, '{}/ospfd.conf'.format(rname))
+ )
+
+ # Initialize all routers.
+ tgen.start_router()
+
+ # Verify that version, MPLS and Segment Routing are OK
+ for router in router_list.values():
+ # Check for Version
+ if router.has_version('<', '4'):
+ tgen.set_error('Unsupported FRR version')
+ break
+ # Check that Segment Routing is available
+ output = tgen.gears[router.name].vtysh_cmd(
+ "show ip ospf database segment-routing json")
+ if output.find("Unknown") != -1:
+ tgen.set_error('Segment Routing is not available')
+
+
+def teardown_module(mod):
+ "Teardown the pytest environment"
+
+ tgen = get_topogen()
+ tgen.stop_topology()
+
+ logger.info('\n\n---- OSPF Segment Routing tests End ----\n')
+
+# Shared test function to validate expected output.
+def compare_ospf_srdb(rname, expected):
+ """
+ Calls 'show ip ospf database segment-routing json' for router `rname`
+ and compare the obtained result with the expected output.
+ """
+ tgen = get_topogen()
+ current = tgen.gears[rname].vtysh_cmd(
+ 'show ip ospf database segment-routing json')
+ return topotest.difflines(current, expected,
+ title1="Current output",
+ title2="Expected output")
+
+
+def compare_mpls_table(rname, expected):
+ """
+ Calls 'show mpls table json' for router `rname` and compare the obtained
+ result with the expected output.
+ """
+ tgen = get_topogen()
+ current = tgen.gears[rname].vtysh_cmd('show mpls table json')
+ return topotest.difflines(current, expected,
+ title1="Current output",
+ title2="Expected output")
+
+
+def test_ospf_sr():
+ "Test OSPF daemon Segment Routing"
+ tgen = get_topogen()
+ if tgen.routers_have_failure():
+ pytest.skip(tgen.errors)
+
+ logger.info('--- test OSPF Segment Routing Data Base ---')
+
+ for rnum in range(1, 5):
+ router = 'r{}'.format(rnum)
+
+ logger.info('\tRouter "%s"', router)
+
+ # Load expected results from the command
+ reffile = os.path.join(CWD, '{}/ospf_srdb.json'.format(router))
+ expected = open(reffile).read()
+
+ # Run test function until we get an result. Wait at most 60 seconds.
+ test_func = partial(compare_ospf_srdb, router, expected)
+ result, diff = topotest.run_and_expect(test_func, '',
+ count=25, wait=3)
+ assert result, (
+ 'OSPF did not start Segment Routing on {}:\n{}'
+ ).format(router, diff)
+
+
+def test_ospf_kernel_route():
+ "Test OSPF Segment Routing MPLS route installation"
+ tgen = get_topogen()
+ if tgen.routers_have_failure():
+ pytest.skip(tgen.errors)
+
+ logger.info('--- test OSPF Segment Routing MPLS tables ---')
+
+ for rnum in range(1, 5):
+ router = 'r{}'.format(rnum)
+
+ logger.info('\tRouter "%s"', router)
+
+ # Load expected results from the command
+ reffile = os.path.join(CWD, '{}/zebra_mpls.json'.format(router))
+ expected = open(reffile).read()
+
+ # Run test function until we get an result. Wait at most 60 seconds.
+ test_func = partial(compare_mpls_table, router, expected)
+ result, diff = topotest.run_and_expect(test_func, '',
+ count=25, wait=3)
+ assert result, (
+ 'OSPF did not properly instal MPLS table on {}:\n{}'
+ ).format(router, diff)
+
+
+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 / matthieu / frr.git / commitdiff
