aboutsummaryrefslogtreecommitdiffstats
path: root/os_net_config/__init__.py
blob: cb560595ed7edb582a2e1066300c5076ad86b109 (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
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
# -*- coding: utf-8 -*-

# Copyright 2014-2015 Red Hat, Inc.
#
# 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 logging
import os

from oslo_concurrency import processutils

from os_net_config import objects
from os_net_config import utils


logger = logging.getLogger(__name__)


class NotImplemented(Exception):
    pass


class NetConfig(object):
    """Common network config methods class."""

    def __init__(self, noop=False, root_dir=''):
        self.noop = noop
        self.log_prefix = "NOOP: " if noop else ""
        self.root_dir = root_dir

    def add_object(self, obj):
        """Convenience method to add any type of object to the network config.

           See objects.py.

        :param obj: The object to add.
        """
        if isinstance(obj, objects.Interface):
            self.add_interface(obj)
        elif isinstance(obj, objects.Vlan):
            self.add_vlan(obj)
        elif isinstance(obj, objects.IvsInterface):
            self.add_ivs_interface(obj)
        elif isinstance(obj, objects.NfvswitchInternal):
            self.add_nfvswitch_internal(obj)
        elif isinstance(obj, objects.OvsBridge):
            self.add_bridge(obj)
            for member in obj.members:
                self.add_object(member)
        elif isinstance(obj, objects.OvsUserBridge):
            self.add_ovs_user_bridge(obj)
            for member in obj.members:
                self.add_object(member)
        elif isinstance(obj, objects.LinuxBridge):
            self.add_linux_bridge(obj)
            for member in obj.members:
                self.add_object(member)
        elif isinstance(obj, objects.IvsBridge):
            self.add_ivs_bridge(obj)
            for member in obj.members:
                self.add_object(member)
        elif isinstance(obj, objects.NfvswitchBridge):
            self.add_nfvswitch_bridge(obj)
            for member in obj.members:
                self.add_object(member)
        elif isinstance(obj, objects.OvsBond):
            self.add_bond(obj)
            for member in obj.members:
                self.add_object(member)
        elif isinstance(obj, objects.LinuxBond):
            self.add_linux_bond(obj)
            for member in obj.members:
                self.add_object(member)
        elif isinstance(obj, objects.LinuxTeam):
            self.add_linux_team(obj)
            for member in obj.members:
                self.add_object(member)
        elif isinstance(obj, objects.OvsTunnel):
            self.add_ovs_tunnel(obj)
        elif isinstance(obj, objects.OvsPatchPort):
            self.add_ovs_patch_port(obj)
        elif isinstance(obj, objects.IbInterface):
            self.add_ib_interface(obj)
        elif isinstance(obj, objects.OvsDpdkPort):
            self.add_ovs_dpdk_port(obj)
        elif isinstance(obj, objects.OvsDpdkBond):
            self.add_ovs_dpdk_bond(obj)
        elif isinstance(obj, objects.VppInterface):
            self.add_vpp_interface(obj)

    def add_interface(self, interface):
        """Add an Interface object to the net config object.

        :param interface: The Interface object to add.
        """
        raise NotImplementedError("add_interface is not implemented.")

    def add_vlan(self, vlan):
        """Add a Vlan object to the net config object.

        :param vlan: The vlan object to add.
        """
        raise NotImplementedError("add_vlan is not implemented.")

    def add_bridge(self, bridge):
        """Add an OvsBridge object to the net config object.

        :param bridge: The OvsBridge object to add.
        """
        raise NotImplementedError("add_bridge is not implemented.")

    def add_ovs_user_bridge(self, bridge):
        """Add an OvsUserBridge object to the net config object.

        :param bridge: The OvsUserBridge object to add.
        """
        raise NotImplementedError("add_ovs_user_bridge is not implemented.")

    def add_linux_bridge(self, bridge):
        """Add a LinuxBridge object to the net config object.

        :param bridge: The LinuxBridge object to add.
        """
        raise NotImplementedError("add_linux_bridge is not implemented.")

    def add_ivs_bridge(self, bridge):
        """Add a IvsBridge object to the net config object.

        :param bridge: The IvsBridge object to add.
        """
        raise NotImplementedError("add_ivs_bridge is not implemented.")

    def add_nfvswitch_bridge(self, bridge):
        """Add a NfvswitchBridge object to the net config object.

        :param bridge: The NfvswitchBridge object to add.
        """
        raise NotImplementedError("add_nfvswitch_bridge is not implemented.")

    def add_bond(self, bond):
        """Add an OvsBond object to the net config object.

        :param bond: The OvsBond object to add.
        """
        raise NotImplementedError("add_bond is not implemented.")

    def add_linux_bond(self, bond):
        """Add a LinuxBond object to the net config object.

        :param bond: The LinuxBond object to add.
        """
        raise NotImplementedError("add_linux_bond is not implemented.")

    def add_linux_team(self, team):
        """Add a LinuxTeam object to the net config object.

        :param team: The LinuxTeam object to add.
        """
        raise NotImplementedError("add_linux_team is not implemented.")

    def add_ovs_tunnel(self, tunnel):
        """Add a OvsTunnel object to the net config object.

        :param tunnel: The OvsTunnel object to add.
        """
        raise NotImplementedError("add_ovs_tunnel is not implemented.")

    def add_ovs_patch_port(self, ovs_patch_port):
        """Add a OvsPatchPort object to the net config object.

        :param ovs_patch_port: The OvsPatchPort object to add.
        """
        raise NotImplementedError("add_ovs_patch_port is not implemented.")

    def add_ib_interface(self, ib_interface):
        """Add an InfiniBand Interface object to the net config object.

        :param interface: The InfiniBand Interface object to add.
        """
        raise NotImplementedError("add_ib_interface is not implemented.")

    def add_ovs_dpdk_port(self, ovs_dpdk_port):
        """Add a OvsDpdkPort object to the net config object.

        :param ovs_dpdk_port: The OvsDpdkPort object to add.
        """
        raise NotImplementedError("add_ovs_dpdk_port is not implemented.")

    def add_ovs_dpdk_bond(self, ovs_dpdk_bond):
        """Add a OvsDpdkBond object to the net config object.

        :param ovs_dpdk_bond: The OvsDpdkBond object to add.
        """
        raise NotImplementedError("add_ovs_dpdk_bond is not implemented.")

    def add_vpp_interface(self, vpp_interface):
        """Add a VppInterface object to the net config object.

        :param vpp_interface: The VppInterface object to add.
        """
        raise NotImplementedError("add_vpp_interface is not implemented.")

    def apply(self, cleanup=False):
        """Apply the network configuration.

        :param cleanup: A boolean which indicates whether any undefined
            (existing but not present in the object model) interfaces
            should be disabled and deleted.
        :returns: a dict of the format: filename/data which contains info
            for each file that was changed (or would be changed if in --noop
            mode).
        """
        raise NotImplementedError("apply is not implemented.")

    def execute(self, msg, cmd, *args, **kwargs):
        """Print a message and run a command.

        Print a message and run a command with processutils
        in noop mode, this just prints a message.
        """
        logger.info('%s%s' % (self.log_prefix, msg))
        if not self.noop:
            processutils.execute(cmd, *args, **kwargs)

    def write_config(self, filename, data, msg=None):
        msg = msg or "Writing config %s" % filename
        logger.info('%s%s' % (self.log_prefix, msg))
        if not self.noop:
            utils.write_config(filename, data)

    def remove_config(self, filename, msg=None):
        msg = msg or "Removing config %s" % filename
        logger.info('%s%s' % (self.log_prefix, msg))
        if not self.noop:
            os.remove(filename)

    def ifdown(self, interface, iftype='interface'):
        msg = 'running ifdown on %s: %s' % (iftype, interface)
        self.execute(msg, '/sbin/ifdown', interface, check_exit_code=False)

    def ifup(self, interface, iftype='interface'):
        msg = 'running ifup on %s: %s' % (iftype, interface)
        self.execute(msg, '/sbin/ifup', interface)

    def ifrename(self, oldname, newname):
        msg = 'renaming %s to %s: ' % (oldname, newname)
        # ifdown isn't enough when renaming, we need the link down
        for name in (oldname, newname):
            if utils._is_active_nic(name):
                self.execute(msg, '/sbin/ip',
                             'link', 'set', 'dev', name, 'down')
                self.execute(msg, '/sbin/ip',
                             'link', 'set', 'dev', name, 'link', 'down')
        self.execute(msg, '/sbin/ip',
                     'link', 'set', 'dev', oldname, 'name', newname)
        self.execute(msg, '/sbin/ip',
                     'link', 'set', 'dev', newname, 'up')

    def ovs_appctl(self, action, *parameters):
        msg = 'Running ovs-appctl %s %s' % (action, parameters)
        self.execute(msg, '/bin/ovs-appctl', action, *parameters)