summaryrefslogtreecommitdiffstats
path: root/tests/topotests/pim_basic/test_pim.py
diff options
context:
space:
mode:
Diffstat (limited to 'tests/topotests/pim_basic/test_pim.py')
-rw-r--r--tests/topotests/pim_basic/test_pim.py248
1 files changed, 248 insertions, 0 deletions
diff --git a/tests/topotests/pim_basic/test_pim.py b/tests/topotests/pim_basic/test_pim.py
new file mode 100644
index 0000000..6cea521
--- /dev/null
+++ b/tests/topotests/pim_basic/test_pim.py
@@ -0,0 +1,248 @@
+#!/usr/bin/env python
+
+#
+# test_pim.py
+#
+# Copyright (c) 2018 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 Cumulus Networks 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_pim.py: Test pim
+"""
+
+import os
+import sys
+import pytest
+import json
+from functools import partial
+
+pytestmark = pytest.mark.pimd
+
+CWD = os.path.dirname(os.path.realpath(__file__))
+sys.path.append(os.path.join(CWD, "../"))
+
+# pylint: disable=C0413
+from lib import topotest
+from lib.topogen import Topogen, TopoRouter, get_topogen
+from lib.topolog import logger
+
+
+pytestmark = [pytest.mark.pimd]
+
+
+def build_topo(tgen):
+ "Build function"
+
+ for routern in range(1, 4):
+ tgen.add_router("r{}".format(routern))
+
+ tgen.add_router("rp")
+
+ # rp ------ r1 -------- r2
+ # \
+ # --------- r3
+ # r1 -> .1
+ # r2 -> .2
+ # rp -> .3
+ # r3 -> .4
+ # loopback network is 10.254.0.X/32
+ #
+ # r1 <- sw1 -> r2
+ # r1-eth0 <-> r2-eth0
+ # 10.0.20.0/24
+ sw = tgen.add_switch("sw1")
+ sw.add_link(tgen.gears["r1"])
+ sw.add_link(tgen.gears["r2"])
+
+ # r1 <- sw2 -> rp
+ # r1-eth1 <-> rp-eth0
+ # 10.0.30.0/24
+ sw = tgen.add_switch("sw2")
+ sw.add_link(tgen.gears["r1"])
+ sw.add_link(tgen.gears["rp"])
+
+ # 10.0.40.0/24
+ sw = tgen.add_switch("sw3")
+ sw.add_link(tgen.gears["r1"])
+ sw.add_link(tgen.gears["r3"])
+
+
+def setup_module(mod):
+ "Sets up the pytest environment"
+ tgen = Topogen(build_topo, mod.__name__)
+ tgen.start_topology()
+
+ # For all registered routers, load the zebra configuration file
+ for rname, router in tgen.routers().items():
+ router.load_config(
+ TopoRouter.RD_ZEBRA, os.path.join(CWD, "{}/zebra.conf".format(rname))
+ )
+ router.load_config(
+ TopoRouter.RD_PIM, os.path.join(CWD, "{}/pimd.conf".format(rname))
+ )
+ router.load_config(
+ TopoRouter.RD_BGP, os.path.join(CWD, "{}/bgpd.conf".format(rname))
+ )
+
+ # After loading the configurations, this function loads configured daemons.
+ tgen.start_router()
+ # tgen.mininet_cli()
+
+
+def teardown_module(mod):
+ "Teardown the pytest environment"
+ tgen = get_topogen()
+
+ # This function tears down the whole topology.
+ tgen.stop_topology()
+
+
+def test_pim_rp_setup():
+ "Ensure basic routing has come up and the rp has an outgoing interface"
+ # Ensure rp and r1 establish pim neighbor ship and bgp has come up
+ # Finally ensure that the rp has an outgoing interface on r1
+ tgen = get_topogen()
+
+ r1 = tgen.gears["r1"]
+ json_file = "{}/{}/rp-info.json".format(CWD, r1.name)
+ expected = json.loads(open(json_file).read())
+
+ test_func = partial(
+ topotest.router_json_cmp, r1, "show ip pim rp-info json", expected
+ )
+ _, result = topotest.run_and_expect(test_func, None, count=15, wait=5)
+ assertmsg = '"{}" JSON output mismatches'.format(r1.name)
+ assert result is None, assertmsg
+ # tgen.mininet_cli()
+
+
+def test_pim_send_mcast_stream():
+ "Establish a Multicast stream from r2 -> r1 and then ensure S,G is created as appropriate"
+ logger.info("Establish a Mcast stream from r2->r1 and then ensure S,G created")
+
+ tgen = get_topogen()
+
+ if tgen.routers_have_failure():
+ pytest.skip(tgen.errors)
+
+ rp = tgen.gears["rp"]
+ r3 = tgen.gears["r3"]
+ r2 = tgen.gears["r2"]
+ r1 = tgen.gears["r1"]
+
+ # Let's establish a S,G stream from r2 -> r1
+ CWD = os.path.dirname(os.path.realpath(__file__))
+ r2.run(
+ "{}/mcast-tx.py --ttl 5 --count 5 --interval 10 229.1.1.1 r2-eth0 > /tmp/bar".format(
+ CWD
+ )
+ )
+ # And from r3 -> r1
+ r3.run(
+ "{}/mcast-tx.py --ttl 5 --count 5 --interval 10 229.1.1.1 r3-eth0 > /tmp/bar".format(
+ CWD
+ )
+ )
+
+ # Let's see that it shows up and we have established some basic state
+ out = r1.vtysh_cmd("show ip pim upstream json", isjson=True)
+ expected = {
+ "229.1.1.1": {
+ "10.0.20.2": {
+ "firstHopRouter": 1,
+ "joinState": "NotJoined",
+ "regState": "RegPrune",
+ "inboundInterface": "r1-eth0",
+ }
+ }
+ }
+
+ test_func = partial(
+ topotest.router_json_cmp, r1, "show ip pim upstream json", expected
+ )
+ _, result = topotest.run_and_expect(test_func, None, count=20, wait=1)
+ assert result is None, "failed to converge pim"
+ # tgen.mininet_cli()
+
+
+def test_pim_rp_sees_stream():
+ "Ensure that the RP sees the stream and has acted accordingly"
+ tgen = get_topogen()
+
+ rp = tgen.gears["rp"]
+ json_file = "{}/{}/upstream.json".format(CWD, rp.name)
+ expected = json.loads(open(json_file).read())
+
+ test_func = partial(
+ topotest.router_json_cmp, rp, "show ip pim upstream json", expected
+ )
+ _, result = topotest.run_and_expect(test_func, None, count=20, wait=0.5)
+ assertmsg = '"{}" JSON output mismatches'.format(rp.name)
+ assert result is None, assertmsg
+
+
+def test_pim_igmp_report():
+ "Send a igmp report from r2->r1 and ensure that the *,G state is created on r1"
+ logger.info("Send a igmp report from r2-r1 and ensure *,G created")
+
+ tgen = get_topogen()
+
+ if tgen.routers_have_failure():
+ pytest.skip(tgen.errors)
+
+ r2 = tgen.gears["r2"]
+ r1 = tgen.gears["r1"]
+
+ # Let's send a igmp report from r2->r1
+ cmd = [os.path.join(CWD, "mcast-rx.py"), "229.1.1.2", "r2-eth0"]
+ p = r2.popen(cmd)
+ try:
+ expected = {
+ "229.1.1.2": {
+ "*": {
+ "sourceIgmp": 1,
+ "joinState": "Joined",
+ "regState": "RegNoInfo",
+ "sptBit": 0,
+ }
+ }
+ }
+ test_func = partial(
+ topotest.router_json_cmp, r1, "show ip pim upstream json", expected
+ )
+ _, result = topotest.run_and_expect(test_func, None, count=5, wait=0.5)
+ assertmsg = '"{}" JSON output mismatches'.format(r1.name)
+ assert result is None, assertmsg
+ finally:
+ if p:
+ p.terminate()
+ p.wait()
+
+
+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))