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Since SNMP is a pain to install add a check which will be used in all SNMP tests in future to silently skip SNMP tests if SNMP has not been installed on the base system. Signed-off-by: Pat Ruddy <pat@voltanet.io>
138 lines
3.9 KiB
Python
Executable File
138 lines
3.9 KiB
Python
Executable File
#!/usr/bin/env python
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#
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# test_simple_snmp.py
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# Part of NetDEF Topology Tests
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#
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# Copyright (c) 2020 by Volta Networks
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#
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# Permission to use, copy, modify, and/or distribute this software
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# for any purpose with or without fee is hereby granted, provided
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# that the above copyright notice and this permission notice appear
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# in all copies.
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#
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# THE SOFTWARE IS PROVIDED "AS IS" AND NETDEF DISCLAIMS ALL WARRANTIES
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# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NETDEF BE LIABLE FOR
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# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY
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# DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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# WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
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# ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
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# OF THIS SOFTWARE.
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#
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"""
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test_bgp_simple snmp.py: Test snmp infrastructure.
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"""
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import os
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import sys
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import json
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from functools import partial
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from time import sleep
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import pytest
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# Save the Current Working Directory to find configuration files.
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CWD = os.path.dirname(os.path.realpath(__file__))
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sys.path.append(os.path.join(CWD, "../"))
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# pylint: disable=C0413
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# Import topogen and topotest helpers
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from lib import topotest
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from lib.topogen import Topogen, TopoRouter, get_topogen
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from lib.topolog import logger
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from lib.snmptest import SnmpTester
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# Required to instantiate the topology builder class.
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from mininet.topo import Topo
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class TemplateTopo(Topo):
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"Test topology builder"
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def build(self, *_args, **_opts):
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"Build function"
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tgen = get_topogen(self)
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# This function only purpose is to define allocation and relationship
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# between routers, switches and hosts.
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#
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#
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# Create routers
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tgen.add_router("r1")
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# r1-eth0
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switch = tgen.add_switch("s1")
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switch.add_link(tgen.gears["r1"])
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# r1-eth1
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switch = tgen.add_switch("s2")
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switch.add_link(tgen.gears["r1"])
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# r1-eth2
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switch = tgen.add_switch("s3")
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switch.add_link(tgen.gears["r1"])
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def setup_module(mod):
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"Sets up the pytest environment"
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# skip tests is SNMP not installed
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if not os.path.isfile("/usr/sbin/snmpd"):
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error_msg = "SNMP not installed - skipping"
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pytest.skip(error_msg)
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# This function initiates the topology build with Topogen...
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tgen = Topogen(TemplateTopo, mod.__name__)
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# ... and here it calls Mininet initialization functions.
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tgen.start_topology()
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r1 = tgen.gears["r1"]
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router_list = tgen.routers()
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# For all registred routers, load the zebra configuration file
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for rname, router in router_list.items():
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router.load_config(
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TopoRouter.RD_ZEBRA, os.path.join(CWD, "{}/zebra.conf".format(rname))
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)
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router.load_config(
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TopoRouter.RD_ISIS, os.path.join(CWD, "{}/isisd.conf".format(rname))
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)
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router.load_config(
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TopoRouter.RD_BGP,
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os.path.join(CWD, "{}/bgpd.conf".format(rname)),
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"-M snmp",
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)
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router.load_config(
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TopoRouter.RD_SNMP,
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os.path.join(CWD, "{}/snmpd.conf".format(rname)),
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"-Le -Ivacm_conf,usmConf,iquery -V -DAgentX,trap",
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)
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# After loading the configurations, this function loads configured daemons.
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tgen.start_router()
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def teardown_module(mod):
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"Teardown the pytest environment"
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tgen = get_topogen()
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# This function tears down the whole topology.
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tgen.stop_topology()
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def test_r1_bgp_version():
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"Wait for protocol convergence"
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tgen = get_topogen()
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# tgen.mininet_cli()
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r1 = tgen.net.get("r1")
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r1_snmp = SnmpTester(r1, "1.1.1.1", "public", "2c")
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assert r1_snmp.test_oid("bgpVersin", None)
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assert r1_snmp.test_oid("bgpVersion", "10")
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if __name__ == "__main__":
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args = ["-s"] + sys.argv[1:]
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sys.exit(pytest.main(args))
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