aboutsummaryrefslogtreecommitdiffstats
path: root/test/test_lisp.py
blob: a896698c7b40628fccffa9162caec0d4437d84ac (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
#!/usr/bin/env python
import unittest

from scapy.packet import Raw
from scapy.layers.inet import IP, UDP, Ether
from py_lispnetworking.lisp import LISP_GPE_Header

from util import ppp, ForeignAddressFactory
from framework import VppTestCase, VppTestRunner
from lisp import *


class Driver(object):

    config_order = ['locator-sets',
                    'locators',
                    'local-mappings',
                    'remote-mappings',
                    'adjacencies']

    """ Basic class for data driven testing """
    def __init__(self, test, test_cases):
        self._test_cases = test_cases
        self._test = test

    @property
    def test_cases(self):
        return self._test_cases

    @property
    def test(self):
        return self._test

    def create_packet(self, src_if, dst_if, deid, payload=''):
        """
        Create IPv4 packet

        param: src_if
        param: dst_if
        """
        packet = (Ether(dst=src_if.local_mac, src=src_if.remote_mac) /
                  IP(src=src_if.remote_ip4, dst=deid) /
                  Raw(payload))
        return packet

    @abstractmethod
    def run(self):
        """ testing procedure """
        pass


class SimpleDriver(Driver):
    """ Implements simple test procedure """
    def __init__(self, test, test_cases):
        super(SimpleDriver, self).__init__(test, test_cases)

    def verify_capture(self, src_loc, dst_loc, capture):
        """
        Verify captured packet

        :param src_loc: source locator address
        :param dst_loc: destination locator address
        :param capture: list of captured packets
        """
        self.test.assertEqual(len(capture), 1, "Unexpected number of "
                              "packets! Expected 1 but {} received"
                              .format(len(capture)))
        packet = capture[0]
        try:
            ip_hdr = packet[IP]
            # assert the values match
            self.test.assertEqual(ip_hdr.src, src_loc, "IP source address")
            self.test.assertEqual(ip_hdr.dst, dst_loc,
                                  "IP destination address")
            gpe_hdr = packet[LISP_GPE_Header]
            self.test.assertEqual(gpe_hdr.next_proto, 1,
                                  "next_proto is not ipv4!")
            ih = gpe_hdr[IP]
            self.test.assertEqual(ih.src, self.test.pg0.remote_ip4,
                                  "unexpected source EID!")
            self.test.assertEqual(ih.dst, self.test.deid_ip4,
                                  "unexpected dest EID!")
        except:
            self.test.logger.error(ppp("Unexpected or invalid packet:",
                                   packet))
            raise

    def configure_tc(self, tc):
        for config_item in self.config_order:
            for vpp_object in tc[config_item]:
                vpp_object.add_vpp_config()

    def run(self, dest):
        """ Send traffic for each test case and verify that it
            is encapsulated """
        for tc in enumerate(self.test_cases):
            self.test.logger.info('Running {}'.format(tc[1]['name']))
            self.configure_tc(tc[1])

            print self.test.vapi.cli("sh lisp loc")
            print self.test.vapi.cli("sh lisp eid")
            print self.test.vapi.cli("sh lisp adj vni 0")
            print self.test.vapi.cli("sh lisp gpe entry")

            packet = self.create_packet(self.test.pg0, self.test.pg1, dest,
                                        'data')
            self.test.pg0.add_stream(packet)
            self.test.pg0.enable_capture()
            self.test.pg1.enable_capture()
            self.test.pg_start()
            capture = self.test.pg1.get_capture(1)
            self.verify_capture(self.test.pg1.local_ip4,
                                self.test.pg1.remote_ip4, capture)
            self.test.pg0.assert_nothing_captured()


class TestLisp(VppTestCase):
    """ Basic LISP test """

    @classmethod
    def setUpClass(cls):
        super(TestLisp, cls).setUpClass()
        cls.faf = ForeignAddressFactory()
        cls.create_pg_interfaces(range(2))  # create pg0 and pg1
        for i in cls.pg_interfaces:
            i.admin_up()  # put the interface upsrc_if
            i.config_ip4()  # configure IPv4 address on the interface
            i.resolve_arp()  # resolve ARP, so that we know VPP MAC

    def setUp(self):
        super(TestLisp, self).setUp()
        self.vapi.lisp_enable_disable(is_enabled=1)

    def test_lisp_basic_encap(self):
        """Test case for basic encapsulation"""

        self.deid_ip4_net = self.faf.net
        self.deid_ip4 = self.faf.get_ip4()
        self.seid_ip4 = '{}/{}'.format(self.pg0.local_ip4, 32)
        self.rloc_ip4 = self.pg1.remote_ip4n

        test_cases = [
            {
                'name': 'basic ip4 over ip4',
                'locator-sets': [VppLispLocatorSet(self, 'ls-4o4')],
                'locators': [
                    VppLispLocator(self, self.pg1.sw_if_index, 'ls-4o4')
                ],
                'local-mappings': [
                    VppLocalMapping(self, self.seid_ip4, 'ls-4o4')
                ],
                'remote-mappings': [
                    VppRemoteMapping(self, self.deid_ip4_net,
                                     [{
                                         "is_ip4": 1,
                                         "priority": 1,
                                         "weight": 1,
                                         "addr": self.rloc_ip4
                                     }])
                ],
                'adjacencies': [
                    VppLispAdjacency(self, self.seid_ip4, self.deid_ip4_net)
                ]
            }
        ]
        self.test_driver = SimpleDriver(self, test_cases)
        self.test_driver.run(self.deid_ip4)


if __name__ == '__main__':
    unittest.main(testRunner=VppTestRunner)