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Diffstat (limited to 'tests/topotests/rip_topo1/test_rip_topo1.py')
| -rw-r--r-- | tests/topotests/rip_topo1/test_rip_topo1.py | 364 |
1 files changed, 364 insertions, 0 deletions
diff --git a/tests/topotests/rip_topo1/test_rip_topo1.py b/tests/topotests/rip_topo1/test_rip_topo1.py new file mode 100644 index 0000000..7d59e84 --- /dev/null +++ b/tests/topotests/rip_topo1/test_rip_topo1.py @@ -0,0 +1,364 @@ +#!/usr/bin/env python + +# +# test_rip_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_rip_topo1.py: Testing RIPv2 + +""" + +import os +import re +import sys +import pytest +from time import sleep + + +sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__)))) +from lib import topotest +from lib.topogen import Topogen, get_topogen + +fatal_error = "" + +pytestmark = [pytest.mark.ripd] + +##################################################### +## +## Network Topology Definition +## +##################################################### + + +def build_topo(tgen): + # Setup RIP Routers + for i in range(1, 4): + tgen.add_router("r%s" % i) + + # + # On main router + # First switch is for a dummy interface (for local network) + switch = tgen.add_switch("sw1") + switch.add_link(tgen.gears["r1"]) + # + # Switches for RIP + + # switch 2 switch is for connection to RIP router + switch = tgen.add_switch("sw2") + switch.add_link(tgen.gears["r1"]) + switch.add_link(tgen.gears["r2"]) + + # switch 3 is between RIP routers + switch = tgen.add_switch("sw3") + switch.add_link(tgen.gears["r2"]) + switch.add_link(tgen.gears["r3"], nodeif="r3-eth1") + + # switch 4 is stub on remote RIP router + switch = tgen.add_switch("sw4") + switch.add_link(tgen.gears["r3"], nodeif="r3-eth0") + + switch = tgen.add_switch("sw5") + switch.add_link(tgen.gears["r1"]) + + switch = tgen.add_switch("sw6") + switch.add_link(tgen.gears["r1"]) + + +##################################################### +## +## Tests starting +## +##################################################### + + +def setup_module(module): + print("\n\n** %s: Setup Topology" % module.__name__) + print("******************************************\n") + + thisDir = os.path.dirname(os.path.realpath(__file__)) + tgen = Topogen(build_topo, module.__name__) + tgen.start_topology() + + net = tgen.net + + # Starting Routers + # + for i in range(1, 4): + net["r%s" % i].loadConf("zebra", "%s/r%s/zebra.conf" % (thisDir, i)) + net["r%s" % i].loadConf("ripd", "%s/r%s/ripd.conf" % (thisDir, i)) + tgen.gears["r%s" % i].start() + + # For debugging after starting FRR daemons, uncomment the next line + # tgen.mininet_cli() + + +def teardown_module(module): + print("\n\n** %s: Shutdown Topology" % module.__name__) + print("******************************************\n") + tgen = get_topogen() + tgen.stop_topology() + + +def test_router_running(): + global fatal_error + net = get_topogen().net + + # Skip if previous fatal error condition is raised + if fatal_error != "": + pytest.skip(fatal_error) + + print("\n\n** Check if FRR is running on each Router node") + print("******************************************\n") + + # Make sure that all daemons are running + for i in range(1, 4): + fatal_error = net["r%s" % i].checkRouterRunning() + assert fatal_error == "", fatal_error + + +def test_converge_protocols(): + global fatal_error + net = get_topogen().net + + # Skip if previous fatal error condition is raised + if fatal_error != "": + pytest.skip(fatal_error) + + thisDir = os.path.dirname(os.path.realpath(__file__)) + + print("\n\n** Waiting for protocols convergence") + print("******************************************\n") + + # Not really implemented yet - just sleep 11 secs for now + sleep(21) + + # Make sure that all daemons are still running + for i in range(1, 4): + fatal_error = net["r%s" % i].checkRouterRunning() + assert fatal_error == "", fatal_error + + +def test_rip_status(): + global fatal_error + net = get_topogen().net + + # Skip if previous fatal error condition is raised + if fatal_error != "": + pytest.skip(fatal_error) + + thisDir = os.path.dirname(os.path.realpath(__file__)) + + # Verify RIP Status + print("\n\n** Verifing RIP status") + print("******************************************\n") + failures = 0 + for i in range(1, 4): + refTableFile = "%s/r%s/rip_status.ref" % (thisDir, i) + if os.path.isfile(refTableFile): + # Read expected result from file + expected = open(refTableFile).read().rstrip() + # Fix newlines (make them all the same) + expected = ("\n".join(expected.splitlines()) + "\n").splitlines(1) + + # Actual output from router + actual = ( + net["r%s" % i] + .cmd('vtysh -c "show ip rip status" 2> /dev/null') + .rstrip() + ) + # Drop time in next due + actual = re.sub(r"in [0-9]+ seconds", "in XX seconds", actual) + # Drop time in last update + actual = re.sub(r" [0-2][0-9]:[0-5][0-9]:[0-5][0-9]", " XX:XX:XX", actual) + # Fix newlines (make them all the same) + actual = ("\n".join(actual.splitlines()) + "\n").splitlines(1) + + # Generate Diff + diff = topotest.get_textdiff( + actual, + expected, + title1="actual IP RIP status", + title2="expected IP RIP status", + ) + + # Empty string if it matches, otherwise diff contains unified diff + if diff: + sys.stderr.write("r%s failed IP RIP status check:\n%s\n" % (i, diff)) + failures += 1 + else: + print("r%s ok" % i) + + assert failures == 0, "IP RIP status failed for router r%s:\n%s" % (i, diff) + + # Make sure that all daemons are still running + for i in range(1, 4): + fatal_error = net["r%s" % i].checkRouterRunning() + assert fatal_error == "", fatal_error + + +def test_rip_routes(): + global fatal_error + net = get_topogen().net + + # Skip if previous fatal error condition is raised + if fatal_error != "": + pytest.skip(fatal_error) + + thisDir = os.path.dirname(os.path.realpath(__file__)) + + # Verify RIP Status + print("\n\n** Verifing RIP routes") + print("******************************************\n") + failures = 0 + for i in range(1, 4): + refTableFile = "%s/r%s/show_ip_rip.ref" % (thisDir, i) + if os.path.isfile(refTableFile): + # Read expected result from file + expected = open(refTableFile).read().rstrip() + # Fix newlines (make them all the same) + expected = ("\n".join(expected.splitlines()) + "\n").splitlines(1) + + # Actual output from router + actual = net["r%s" % i].cmd('vtysh -c "show ip rip" 2> /dev/null').rstrip() + # Drop Time + actual = re.sub(r"[0-9][0-9]:[0-5][0-9]", "XX:XX", actual) + # Fix newlines (make them all the same) + actual = ("\n".join(actual.splitlines()) + "\n").splitlines(1) + + # Generate Diff + diff = topotest.get_textdiff( + actual, + expected, + title1="actual SHOW IP RIP", + title2="expected SHOW IP RIP", + ) + + # Empty string if it matches, otherwise diff contains unified diff + if diff: + sys.stderr.write("r%s failed SHOW IP RIP check:\n%s\n" % (i, diff)) + failures += 1 + else: + print("r%s ok" % i) + + assert failures == 0, "SHOW IP RIP failed for router r%s:\n%s" % (i, diff) + + # Make sure that all daemons are still running + for i in range(1, 4): + fatal_error = net["r%s" % i].checkRouterRunning() + assert fatal_error == "", fatal_error + + +def test_zebra_ipv4_routingTable(): + global fatal_error + net = get_topogen().net + + # Skip if previous fatal error condition is raised + if fatal_error != "": + pytest.skip(fatal_error) + + thisDir = os.path.dirname(os.path.realpath(__file__)) + + # Verify OSPFv3 Routing Table + print("\n\n** Verifing Zebra IPv4 Routing Table") + print("******************************************\n") + failures = 0 + for i in range(1, 4): + refTableFile = "%s/r%s/show_ip_route.ref" % (thisDir, i) + if os.path.isfile(refTableFile): + # Read expected result from file + expected = open(refTableFile).read().rstrip() + # Fix newlines (make them all the same) + expected = ("\n".join(expected.splitlines()) + "\n").splitlines(1) + + # Actual output from router + actual = ( + net["r%s" % i] + .cmd('vtysh -c "show ip route" 2> /dev/null | grep "^R"') + .rstrip() + ) + # Drop timers on end of line + actual = re.sub(r", [0-2][0-9]:[0-5][0-9]:[0-5][0-9]", "", actual) + # Fix newlines (make them all the same) + actual = ("\n".join(actual.splitlines()) + "\n").splitlines(1) + + # Generate Diff + diff = topotest.get_textdiff( + actual, + expected, + title1="actual Zebra IPv4 routing table", + title2="expected Zebra IPv4 routing table", + ) + + # Empty string if it matches, otherwise diff contains unified diff + if diff: + sys.stderr.write( + "r%s failed Zebra IPv4 Routing Table Check:\n%s\n" % (i, diff) + ) + failures += 1 + else: + print("r%s ok" % i) + + assert ( + failures == 0 + ), "Zebra IPv4 Routing Table verification failed for router r%s:\n%s" % ( + i, + diff, + ) + + # Make sure that all daemons are still running + for i in range(1, 4): + fatal_error = net["r%s" % i].checkRouterRunning() + assert fatal_error == "", fatal_error + + +def test_shutdown_check_stderr(): + global fatal_error + net = get_topogen().net + + # Skip if previous fatal error condition is raised + if fatal_error != "": + pytest.skip(fatal_error) + + if os.environ.get("TOPOTESTS_CHECK_STDERR") is None: + pytest.skip("Skipping test for Stderr output and memory leaks") + + thisDir = os.path.dirname(os.path.realpath(__file__)) + + print("\n\n** Verifing unexpected STDERR output from daemons") + print("******************************************\n") + + net["r1"].stopRouter() + + log = net["r1"].getStdErr("ripd") + if log: + print("\nRIPd StdErr Log:\n" + log) + log = net["r1"].getStdErr("zebra") + if log: + print("\nZebra StdErr Log:\n" + log) + + +if __name__ == "__main__": + + # To suppress tracebacks, either use the following pytest call or add "--tb=no" to cli + # retval = pytest.main(["-s", "--tb=no"]) + retval = pytest.main(["-s"]) + sys.exit(retval) |