summaryrefslogtreecommitdiff
path: root/src/migration-scripts/interfaces/24-to-25
blob: 9f8cc80ecea3a4ab8ec7fa3200b52d17387e9209 (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
# Copyright 2021-2024 VyOS maintainers and contributors <maintainers@vyos.io>
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library 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
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with this library.  If not, see <http://www.gnu.org/licenses/>.

# A VTI interface also requires an IPSec configuration - VyOS 1.2 supported
# having a VTI interface in the CLI but no IPSec configuration - drop VTI
# configuration if this is the case for VyOS 1.4

from vyos.configtree import ConfigTree

def migrate(config: ConfigTree) -> None:
    base = ['interfaces', 'vti']
    if not config.exists(base):
        # Nothing to do
        return

    ipsec_base = ['vpn', 'ipsec', 'site-to-site', 'peer']
    for interface in config.list_nodes(base):
        found = False
        if config.exists(ipsec_base):
            for peer in config.list_nodes(ipsec_base):
                if config.exists(ipsec_base + [peer, 'vti', 'bind']):
                    tmp = config.return_value(ipsec_base + [peer, 'vti', 'bind'])
                    if tmp == interface:
                        # Interface was found and we no longer need to search
                        # for it in our IPSec peers
                        found = True
                        break
        if not found:
            config.delete(base + [interface])