summaryrefslogtreecommitdiff
path: root/smoketest/scripts/cli/test_interfaces_bridge.py
blob: 3b7f1bc9a85cc58e5c18570b4b59837f998ebb7b (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
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
#!/usr/bin/env python3
#
# Copyright (C) 2020 VyOS maintainers and contributors
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 or later as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

import os
import unittest

from base_interfaces_test import BasicInterfaceTest
from glob import glob
from netifaces import interfaces
from vyos.ifconfig import Section
from vyos.util import cmd
import json

class BridgeInterfaceTest(BasicInterfaceTest.BaseTest):
    def setUp(self):
        super().setUp()

        self._test_ipv6 = True
        self._test_vlan = True
        self._test_qinq = True

        self._base_path = ['interfaces', 'bridge']
        self._interfaces = ['br0']

        self._members = []
        # we need to filter out VLAN interfaces identified by a dot (.)
        # in their name - just in case!
        if 'TEST_ETH' in os.environ:
            self._members = os.environ['TEST_ETH'].split()
        else:
            for tmp in Section.interfaces("ethernet"):
                if not '.' in tmp:
                    self._members.append(tmp)

        self._options['br0'] = []
        for member in self._members:
            self._options['br0'].append(f'member interface {member}')

    def test_add_remove_member(self):
        """ Add member interfaces to bridge and set STP cost/priority """
        for interface in self._interfaces:
            base = self._base_path + [interface]
            self.session.set(base + ['stp'])
            self.session.set(base + ['address', '192.0.2.1/24'])

            cost = 1000
            priority = 10
            # assign members to bridge interface
            for member in self._members:
                base_member = base + ['member', 'interface', member]
                self.session.set(base_member + ['cost', str(cost)])
                self.session.set(base_member + ['priority', str(priority)])
                cost += 1
                priority += 1

        # commit config
        self.session.commit()

        # check member interfaces are added on the bridge
        bridge_members = []
        for tmp in glob(f'/sys/class/net/{interface}/lower_*'):
            bridge_members.append(os.path.basename(tmp).replace('lower_', ''))

        for member in self._members:
            self.assertIn(member, bridge_members)

        # delete all members
        for interface in self._interfaces:
            self.session.delete(self._base_path + [interface, 'member'])

        self.session.commit()
    
    def test_vlan_filter(self):
        """ Add member interface to bridge and set VLAN filter """
        for interface in self._interfaces:
            base = self._base_path + [interface]
            self.session.set(base + ['address', '192.0.2.1/24'])
            self.session.set(base + ['vif', '2','address','192.0.3.1/24'])

            vlan_id = 101
            allowed_vlan = 2
            allowed_vlan_range = '4-9'
            # assign members to bridge interface
            for member in self._members:
                base_member = base + ['member', 'interface', member]
                self.session.set(base_member + ['allowed-vlan', str(allowed_vlan)])
                self.session.set(base_member + ['allowed-vlan', allowed_vlan_range])
                self.session.set(base_member + ['native-vlan', str(vlan_id)])
                vlan_id += 1

        # commit config
        self.session.commit()
        
        # Detect the vlan filter function
        for interface in self._interfaces:
            with open(f'/sys/class/net/{interface}/bridge/vlan_filtering', 'r') as f:
                flags = f.read()
                self.assertEqual(int(flags), 1)
        
        # Execute the program to obtain status information
        
        json_data = cmd('bridge -j vlan show', shell=True)
        
        vlan_filter_status = None
        
        vlan_filter_status = json.loads(json_data)
            
        
        if vlan_filter_status is not None:
            for interface_status in vlan_filter_status:
                ifname = interface_status['ifname']
                for interface in self._members:
                    vlan_success = 0;
                    if interface == ifname:
                        vlans_status = interface_status['vlans']
                        for vlan_status in vlans_status:
                            vlan_id = vlan_status['vlan']
                            flag_num = 0
                            if 'flags' in vlan_status:
                                flags = vlan_status['flags']
                                for flag in flags:
                                    flag_num = flag_num +1
                            if vlan_id == 2:
                                if flag_num == 0:
                                    vlan_success = vlan_success + 1
                            else:
                                for id in range(4,10):
                                    if vlan_id == id:
                                        if flag_num == 0:
                                            vlan_success = vlan_success + 1
                                if vlan_id >= 101:
                                    if flag_num == 2:
                                        vlan_success = vlan_success + 1
                        if vlan_success >= 7:
                            self.assertTrue(True)
                        else:
                            self.assertTrue(False)
                        
        else:
            self.assertTrue(False)
        
            
        

        # check member interfaces are added on the bridge
        
        for interface in self._interfaces:
            bridge_members = []
            for tmp in glob(f'/sys/class/net/{interface}/lower_*'):
                bridge_members.append(os.path.basename(tmp).replace('lower_', ''))

            for member in self._members:
                self.assertIn(member, bridge_members)

        # delete all members
        for interface in self._interfaces:
            self.session.delete(self._base_path + [interface, 'member'])

        self.session.commit()

    def test_vlan_members(self):
        """ T2945: ensure that VIFs are not dropped from bridge """

        self.session.set(['interfaces', 'ethernet', 'eth0', 'vif', '300'])
        self.session.set(['interfaces', 'bridge', 'br0', 'member', 'interface', 'eth0.300'])
        self.session.commit()

        # member interface must be assigned to the bridge
        self.assertTrue(os.path.exists('/sys/class/net/br0/lower_eth0.300'))

        # add second bridge member
        self.session.set(['interfaces', 'ethernet', 'eth0', 'vif', '400'])
        self.session.commit()

        # member interface must still be assigned to the bridge
        self.assertTrue(os.path.exists('/sys/class/net/br0/lower_eth0.300'))

        # remove VLAN interfaces
        self.session.delete(['interfaces', 'ethernet', 'eth0', 'vif', '300'])
        self.session.delete(['interfaces', 'ethernet', 'eth0', 'vif', '400'])
        self.session.commit()


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