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+#!/usr/bin/env python
+
+#
+# test_eigrp_topo1.py
+#
+# Copyright (c) 2017 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_eigrp_topo1.py: Testing EIGRP
+
+"""
+
+import os
+import re
+import sys
+import pytest
+import json
+
+pytestmark = [pytest.mark.eigrpd]
+
+# 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.
+
+#####################################################
+##
+## Network Topology Definition
+##
+#####################################################
+
+
+def build_topo(tgen):
+ for routern in range(1, 4):
+ tgen.add_router("r{}".format(routern))
+
+ # 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 EIGRP
+ # switch 2 switch is for connection to EIGRP router
+ switch = tgen.add_switch("sw2")
+ switch.add_link(tgen.gears["r1"])
+ switch.add_link(tgen.gears["r2"])
+
+ # switch 4 is stub on remote EIGRP router
+ switch = tgen.add_switch("sw4")
+ switch.add_link(tgen.gears["r3"])
+
+ # switch 3 is between EIGRP routers
+ switch = tgen.add_switch("sw3")
+ switch.add_link(tgen.gears["r2"])
+ switch.add_link(tgen.gears["r3"])
+
+
+#####################################################
+##
+## Tests starting
+##
+#####################################################
+
+
+def setup_module(module):
+ "Setup topology"
+ tgen = Topogen(build_topo, module.__name__)
+ tgen.start_topology()
+
+ # This is a sample of configuration loading.
+ router_list = tgen.routers()
+ for rname, router in router_list.items():
+ router.load_config(
+ TopoRouter.RD_ZEBRA, os.path.join(CWD, "{}/zebra.conf".format(rname))
+ )
+ router.load_config(
+ TopoRouter.RD_EIGRP, os.path.join(CWD, "{}/eigrpd.conf".format(rname))
+ )
+
+ tgen.start_router()
+
+
+def teardown_module(_mod):
+ "Teardown the pytest environment"
+ tgen = get_topogen()
+
+ # This function tears down the whole topology.
+ tgen.stop_topology()
+
+
+def test_converge_protocols():
+ "Wait for protocol convergence"
+
+ tgen = get_topogen()
+ # Don't run this test if we have any failure.
+ if tgen.routers_have_failure():
+ pytest.skip(tgen.errors)
+
+ topotest.sleep(5, "Waiting for EIGRP convergence")
+
+
+def test_eigrp_routes():
+ "Test EIGRP 'show ip eigrp'"
+
+ tgen = get_topogen()
+ # Don't run this test if we have any failure.
+ if tgen.routers_have_failure():
+ pytest.skip(tgen.errors)
+
+ # Verify EIGRP Status
+ logger.info("Verifying EIGRP routes")
+
+ router_list = tgen.routers().values()
+ for router in router_list:
+ refTableFile = "{}/{}/show_ip_eigrp.json".format(CWD, router.name)
+
+ # Read expected result from file
+ expected = json.loads(open(refTableFile).read())
+
+ # Actual output from router
+ actual = ip_eigrp_topo(router)
+
+ assertmsg = '"show ip eigrp topo" mismatches on {}'.format(router.name)
+ assert topotest.json_cmp(actual, expected) is None, assertmsg
+
+
+def test_zebra_ipv4_routingTable():
+ "Test 'show ip route'"
+
+ tgen = get_topogen()
+ # Don't run this test if we have any failure.
+ if tgen.routers_have_failure():
+ pytest.skip(tgen.errors)
+
+ failures = 0
+ router_list = tgen.routers().values()
+ for router in router_list:
+ output = router.vtysh_cmd("show ip route json", isjson=True)
+ refTableFile = "{}/{}/show_ip_route.json_ref".format(CWD, router.name)
+ expected = json.loads(open(refTableFile).read())
+
+ assertmsg = "Zebra IPv4 Routing Table verification failed for router {}".format(
+ router.name
+ )
+ assert topotest.json_cmp(output, expected) is None, assertmsg
+
+
+def test_shut_interface_and_recover():
+ "Test shutdown of an interface and recovery of the interface"
+
+ tgen = get_topogen()
+ router = tgen.gears["r1"]
+ router.run("ip link set r1-eth1 down")
+ topotest.sleep(5, "Waiting for EIGRP convergence")
+ router.run("ip link set r1-eth1 up")
+
+
+def test_shutdown_check_stderr():
+ if os.environ.get("TOPOTESTS_CHECK_STDERR") is None:
+ pytest.skip("Skipping test for Stderr output and memory leaks")
+
+ tgen = get_topogen()
+ # Don't run this test if we have any failure.
+ if tgen.routers_have_failure():
+ pytest.skip(tgen.errors)
+
+ logger.info("Verifying unexpected STDERR output from daemons")
+
+ router_list = tgen.routers().values()
+ for router in router_list:
+ router.stop()
+
+ log = tgen.net[router.name].getStdErr("eigrpd")
+ if log:
+ logger.error("EIGRPd StdErr Log:" + log)
+ log = tgen.net[router.name].getStdErr("zebra")
+ if log:
+ logger.error("Zebra StdErr Log:" + log)
+
+
+if __name__ == "__main__":
+ args = ["-s"] + sys.argv[1:]
+ sys.exit(pytest.main(args))
+
+#
+# Auxiliary Functions
+#
+def ip_eigrp_topo(node):
+ """
+ Parse 'show ip eigrp topo' from `node` and returns a dict with the
+ result.
+
+ Example:
+ {
+ 'P': {
+ '192.168.1.0/24': {
+ 'sucessors': 1,
+ 'fd': 112233,
+ 'serno': 0,
+ 'via': 'Connected',
+ 'interface': 'eth0',
+ },
+ '192.168.2.0/24': {
+ 'sucessors': 1,
+ 'fd': 112234,
+ 'serno': 0,
+ 'via': 'Connected',
+ 'interface': 'eth1',
+ }
+ }
+ }
+ """
+ output = topotest.normalize_text(node.vtysh_cmd("show ip eigrp topo")).splitlines()
+ result = {}
+ for idx, line in enumerate(output):
+ columns = line.split(" ", 1)
+
+ # Parse the following format into python dicts
+ # code A.B.C.D/E, X successors, FD is Y, serno: Z
+ # via FOO, interface-name
+ code = columns[0]
+ if code not in ["P", "A", "U", "Q", "R", "r", "s"]:
+ continue
+
+ if code not in result:
+ result[code] = {}
+
+ # Split network from the rest
+ columns = columns[1].split(",")
+
+ # Parse first line data
+ network = columns[0]
+ result[code][network] = {}
+ for column in columns:
+ # Skip the network column
+ if column == columns[0]:
+ continue
+
+ match = re.search(r"(\d+) successors", column)
+ if match is not None:
+ result[code][network]["successors"] = match.group(1)
+ continue
+
+ match = re.search(r"FD is (\d+)", column)
+ if match is not None:
+ result[code][network]["fd"] = match.group(1)
+ continue
+
+ match = re.search(r"serno: (\d+)", column)
+ if match is not None:
+ result[code][network]["serno"] = match.group(1)
+ continue
+
+ # Parse second line data
+ nextline = output[idx + 1]
+ columns = topotest.normalize_text(nextline).split(",")
+ for column in columns:
+ match = re.search(r"via (.+)", column)
+ if match is not None:
+ result[code][network]["via"] = match.group(1)
+ continue
+
+ match = re.search(r"(.+)", column)
+ if match is not None:
+ result[code][network]["interface"] = match.group(1)
+ continue
+
+ return result