blob: aa2374f4cc3fd105a574d2eaea40b436bada91ea (
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
|
#!/usr/bin/env python3
#
# Copyright (C) 2023 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
from sys import exit
from vyos.config import Config
from vyos.configverify import verify_interface_exists
from vyos.utils.process import call
from vyos.template import render
from vyos import ConfigError
from vyos import airbag
airbag.enable()
systemd_service = 'ndppd.service'
ndppd_config = '/run/ndppd/ndppd.conf'
def get_config(config=None):
if config:
conf = config
else:
conf = Config()
base = ['service', 'ndp-proxy']
if not conf.exists(base):
return None
ndpp = conf.get_config_dict(base, key_mangling=('-', '_'),
get_first_key=True,
with_recursive_defaults=True)
return ndpp
def verify(ndpp):
if not ndpp:
return None
if 'interface' in ndpp:
for interface, interface_config in ndpp['interface'].items():
verify_interface_exists(interface)
if 'rule' in interface_config:
for rule, rule_config in interface_config['rule'].items():
if rule_config['mode'] == 'interface' and 'interface' not in rule_config:
raise ConfigError(f'Rule "{rule}" uses interface mode but no interface defined!')
if rule_config['mode'] != 'interface' and 'interface' in rule_config:
if interface_config['mode'] != 'interface' and 'interface' in interface_config:
raise ConfigError(f'Rule "{rule}" does not use interface mode, thus interface can not be defined!')
return None
def generate(ndpp):
if not ndpp:
return None
render(ndppd_config, 'ndppd/ndppd.conf.j2', ndpp)
return None
def apply(ndpp):
if not ndpp:
call(f'systemctl stop {systemd_service}')
if os.path.isfile(ndppd_config):
os.unlink(ndppd_config)
return None
call(f'systemctl reload-or-restart {systemd_service}')
return None
if __name__ == '__main__':
try:
c = get_config()
verify(c)
generate(c)
apply(c)
except ConfigError as e:
print(e)
exit(1)
|
