lisp: Move to plugin
Type: refactor Change-Id: I54df533a8f863c4e49742903cf2457f18b4fc506 Signed-off-by: Neale Ranns <nranns@cisco.com>
This commit is contained in:
Neale Ranns
committed by
Damjan Marion
Damjan Marion
parent
b468773aa4
commit
2b202bc4b2
@ -1,208 +0,0 @@
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#!/usr/bin/env python3
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import abc
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import six
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import unittest
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from scapy.fields import BitField, ByteField, FlagsField, IntField
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from scapy.packet import bind_layers, Packet, Raw
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from scapy.layers.inet import IP, UDP, Ether
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from scapy.layers.inet6 import IPv6
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from framework import VppTestCase, VppTestRunner
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from lisp import VppLocalMapping, VppLispAdjacency, VppLispLocator, \
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VppLispLocatorSet, VppRemoteMapping, LispRemoteLocator
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from util import ppp, ForeignAddressFactory
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# From py_lispnetworking.lisp.py: # GNU General Public License v2.0
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class LISP_GPE_Header(Packet):
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name = "LISP GPE Header"
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fields_desc = [
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FlagsField("gpe_flags", None, 6, ["N", "L", "E", "V", "I", "P"]),
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BitField("reserved", 0, 18),
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ByteField("next_proto", 0),
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IntField("iid", 0),
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]
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bind_layers(UDP, LISP_GPE_Header, dport=4341)
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bind_layers(UDP, LISP_GPE_Header, sport=4341)
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bind_layers(LISP_GPE_Header, IP, next_proto=1)
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bind_layers(LISP_GPE_Header, IPv6, next_proto=2)
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bind_layers(LISP_GPE_Header, Ether, next_proto=3)
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@six.add_metaclass(abc.ABCMeta)
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class Driver(object):
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config_order = ['locator-sets',
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'locators',
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'local-mappings',
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'remote-mappings',
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'adjacencies']
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""" Basic class for data driven testing """
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def __init__(self, test, test_cases):
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self._test_cases = test_cases
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self._test = test
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@property
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def test_cases(self):
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return self._test_cases
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@property
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def test(self):
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return self._test
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def create_packet(self, src_if, dst_if, deid, payload=''):
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"""
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Create IPv4 packet
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param: src_if
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param: dst_if
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"""
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packet = (Ether(dst=src_if.local_mac, src=src_if.remote_mac) /
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IP(src=src_if.remote_ip4, dst=deid) /
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Raw(payload))
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return packet
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@abc.abstractmethod
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def run(self):
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""" testing procedure """
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pass
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class SimpleDriver(Driver):
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""" Implements simple test procedure """
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def __init__(self, test, test_cases):
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super(SimpleDriver, self).__init__(test, test_cases)
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def verify_capture(self, src_loc, dst_loc, capture):
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"""
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Verify captured packet
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:param src_loc: source locator address
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:param dst_loc: destination locator address
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:param capture: list of captured packets
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"""
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self.test.assertEqual(len(capture), 1, "Unexpected number of "
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"packets! Expected 1 but {} received"
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.format(len(capture)))
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packet = capture[0]
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try:
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ip_hdr = packet[IP]
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# assert the values match
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self.test.assertEqual(ip_hdr.src, src_loc, "IP source address")
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self.test.assertEqual(ip_hdr.dst, dst_loc,
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"IP destination address")
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gpe_hdr = packet[LISP_GPE_Header]
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self.test.assertEqual(gpe_hdr.next_proto, 1,
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"next_proto is not ipv4!")
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ih = gpe_hdr[IP]
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self.test.assertEqual(ih.src, self.test.pg0.remote_ip4,
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"unexpected source EID!")
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self.test.assertEqual(ih.dst, self.test.deid_ip4,
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"unexpected dest EID!")
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except:
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self.test.logger.error(ppp("Unexpected or invalid packet:",
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packet))
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raise
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def configure_tc(self, tc):
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for config_item in self.config_order:
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for vpp_object in tc[config_item]:
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vpp_object.add_vpp_config()
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def run(self, dest):
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""" Send traffic for each test case and verify that it
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is encapsulated """
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for tc in enumerate(self.test_cases):
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self.test.logger.info('Running {}'.format(tc[1]['name']))
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self.configure_tc(tc[1])
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packet = self.create_packet(self.test.pg0, self.test.pg1, dest,
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'data')
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self.test.pg0.add_stream(packet)
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self.test.pg0.enable_capture()
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self.test.pg1.enable_capture()
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self.test.pg_start()
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capture = self.test.pg1.get_capture(1)
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self.verify_capture(self.test.pg1.local_ip4,
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self.test.pg1.remote_ip4, capture)
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self.test.pg0.assert_nothing_captured()
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class TestLisp(VppTestCase):
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""" Basic LISP test """
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@classmethod
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def setUpClass(cls):
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super(TestLisp, cls).setUpClass()
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cls.faf = ForeignAddressFactory()
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cls.create_pg_interfaces(range(2)) # create pg0 and pg1
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for i in cls.pg_interfaces:
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i.admin_up() # put the interface upsrc_if
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i.config_ip4() # configure IPv4 address on the interface
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i.resolve_arp() # resolve ARP, so that we know VPP MAC
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@classmethod
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def tearDownClass(cls):
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super(TestLisp, cls).tearDownClass()
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def setUp(self):
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super(TestLisp, self).setUp()
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self.vapi.lisp_enable_disable(is_enable=1)
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def test_lisp_basic_encap(self):
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"""Test case for basic encapsulation"""
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self.deid_ip4_net = self.faf.net
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self.deid_ip4 = self.faf.get_ip4()
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self.seid_ip4 = '{!s}/{!s}'.format(self.pg0.local_ip4, 32)
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self.rloc_ip4 = self.pg1.remote_ip4
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test_cases = [
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{
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'name': 'basic ip4 over ip4',
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'locator-sets': [VppLispLocatorSet(self, 'ls-4o4')],
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'locators': [
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VppLispLocator(self, self.pg1.sw_if_index, 'ls-4o4')
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],
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'local-mappings': [
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VppLocalMapping(self, self.seid_ip4, 'ls-4o4')
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],
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'remote-mappings': [
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VppRemoteMapping(self, self.deid_ip4_net,
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[LispRemoteLocator(self.rloc_ip4)])
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],
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'adjacencies': [
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VppLispAdjacency(self, self.seid_ip4, self.deid_ip4_net)
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]
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}
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]
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self.test_driver = SimpleDriver(self, test_cases)
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self.test_driver.run(self.deid_ip4)
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class TestLispUT(VppTestCase):
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""" Lisp UT """
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@classmethod
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def setUpClass(cls):
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super(TestLispUT, cls).setUpClass()
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@classmethod
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def tearDownClass(cls):
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super(TestLispUT, cls).tearDownClass()
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def test_fib(self):
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""" LISP Unit Tests """
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error = self.vapi.cli("test lisp cp")
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if error:
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self.logger.critical(error)
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self.assertNotIn("Failed", error)
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if __name__ == '__main__':
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unittest.main(testRunner=VppTestRunner)
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