summaryrefslogtreecommitdiffhomepage
path: root/test/scenario_test/graceful_restart_test.py
blob: 9b97b82b8cc08251cb3dccf90a8b6538c6e29edb (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
# Copyright (C) 2016 Nippon Telegraph and Telephone Corporation.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
# implied.
# See the License for the specific language governing permissions and
# limitations under the License.

import unittest
from fabric.api import local
from lib import base
from lib.gobgp import *
from lib.quagga import *
import sys
import os
import time
import nose
from noseplugin import OptionParser, parser_option

class GoBGPTestBase(unittest.TestCase):

    @classmethod
    def setUpClass(cls):
        gobgp_ctn_image_name = parser_option.gobgp_image
        base.TEST_PREFIX = parser_option.test_prefix

        g1 = GoBGPContainer(name='g1', asn=65000, router_id='192.168.0.1',
                            ctn_image_name=gobgp_ctn_image_name,
                            log_level=parser_option.gobgp_log_level)
        g2 = GoBGPContainer(name='g2', asn=65001, router_id='192.168.0.2',
                            ctn_image_name=gobgp_ctn_image_name,
                            log_level=parser_option.gobgp_log_level)
        ctns = [g1, g2]

        initial_wait_time = max(ctn.run() for ctn in ctns)

        time.sleep(initial_wait_time)

        g1.add_route('10.10.10.0/24')
        g1.add_route('10.10.20.0/24')

        g1.add_peer(g2, graceful_restart=True)
        g2.add_peer(g1, graceful_restart=True)

        cls.bgpds = {'g1': g1, 'g2': g2}

    # test each neighbor state is turned establish
    def test_01_neighbor_established(self):
        g1 = self.bgpds['g1']
        g2 = self.bgpds['g2']
        g1.wait_for(expected_state=BGP_FSM_ESTABLISHED, peer=g2)

    def test_02_graceful_restart(self):
        g1 = self.bgpds['g1']
        g2 = self.bgpds['g2']
        g1.graceful_restart()
        g2.wait_for(expected_state=BGP_FSM_ACTIVE, peer=g1)
        self.assertTrue(len(g2.get_global_rib('10.10.20.0/24')) == 1)
        self.assertTrue(len(g2.get_global_rib('10.10.10.0/24')) == 1)
        for d in g2.get_global_rib():
            for p in d['paths']:
                self.assertTrue(p['stale'])

        g1.routes = {}
        g1._start_gobgp(graceful_restart=True)
        time.sleep(3)
        g1.add_route('10.10.20.0/24')

    def test_03_neighbor_established(self):
        g1 = self.bgpds['g1']
        g2 = self.bgpds['g2']
        g1.wait_for(expected_state=BGP_FSM_ESTABLISHED, peer=g2)
        time.sleep(1)
        self.assertTrue(len(g2.get_global_rib('10.10.20.0/24')) == 1)
        self.assertTrue(len(g2.get_global_rib('10.10.10.0/24')) == 0)
        for d in g2.get_global_rib():
            for p in d['paths']:
                self.assertFalse(p['stale'])

    def test_04_add_non_graceful_restart_enabled_peer(self):
        g1 = self.bgpds['g1']
        g2 = self.bgpds['g2']
        gobgp_ctn_image_name = parser_option.gobgp_image
        g3 = GoBGPContainer(name='g3', asn=65002, router_id='192.168.0.3',
                            ctn_image_name=gobgp_ctn_image_name,
                            log_level=parser_option.gobgp_log_level)
        self.bgpds['g3'] = g3
        time.sleep(g3.run())
        g3.add_route('10.10.30.0/24')
        g1.add_peer(g3)
        g3.add_peer(g1)
        g1.wait_for(expected_state=BGP_FSM_ESTABLISHED, peer=g3)
        time.sleep(1)
        self.assertTrue(len(g3.get_global_rib('10.10.20.0/24')) == 1)

    def test_05_graceful_restart(self):
        g1 = self.bgpds['g1']
        g2 = self.bgpds['g2']
        g3 = self.bgpds['g3']
        g1.graceful_restart()
        g2.wait_for(expected_state=BGP_FSM_ACTIVE, peer=g1)
        self.assertTrue(len(g2.get_global_rib('10.10.20.0/24')) == 1)
        self.assertTrue(len(g2.get_global_rib('10.10.30.0/24')) == 1)
        for d in g2.get_global_rib():
            for p in d['paths']:
                self.assertTrue(p['stale'])

        self.assertTrue(len(g3.get_global_rib('10.10.20.0/24')) == 0)
        self.assertTrue(len(g3.get_global_rib('10.10.30.0/24')) == 1)

    def test_06_test_restart_timer_expire(self):
        time.sleep(25)
        g2 = self.bgpds['g2']
        self.assertTrue(len(g2.get_global_rib()) == 0)


if __name__ == '__main__':
    if os.geteuid() is not 0:
        print "you are not root."
        sys.exit(1)
    output = local("which docker 2>&1 > /dev/null ; echo $?", capture=True)
    if int(output) is not 0:
        print "docker not found"
        sys.exit(1)

    nose.main(argv=sys.argv, addplugins=[OptionParser()],
              defaultTest=sys.argv[0])