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
|
#!/usr/bin/env python3
#
# Copyright (C) 2021-2024 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/>.
from sys import exit
from sys import argv
from vyos.config import Config
from vyos.configverify import verify_common_route_maps
from vyos.configverify import verify_route_map
from vyos.configverify import verify_interface_exists
from vyos.configverify import has_frr_protocol_in_dict
from vyos.frrender import FRRender
from vyos.frrender import get_frrender_dict
from vyos.ifconfig import Interface
from vyos.utils.dict import dict_search
from vyos.utils.network import get_interface_config
from vyos.utils.process import is_systemd_service_running
from vyos import ConfigError
from vyos import airbag
airbag.enable()
def get_config(config=None):
if config:
conf = config
else:
conf = Config()
return get_frrender_dict(conf, argv)
def verify(config_dict):
if not has_frr_protocol_in_dict(config_dict, 'ospfv3'):
return None
vrf = None
if 'vrf_context' in config_dict:
vrf = config_dict['vrf_context']
# eqivalent of the C foo ? 'a' : 'b' statement
ospfv3 = vrf and config_dict['vrf']['name'][vrf]['protocols']['ospfv3'] or config_dict['ospfv3']
ospfv3['policy'] = config_dict['policy']
verify_common_route_maps(ospfv3)
# As we can have a default-information route-map, we need to validate it!
route_map_name = dict_search('default_information.originate.route_map', ospfv3)
if route_map_name: verify_route_map(route_map_name, ospfv3)
if 'area' in ospfv3:
for area, area_config in ospfv3['area'].items():
if 'area_type' in area_config:
if len(area_config['area_type']) > 1:
raise ConfigError(f'Can only configure one area-type for OSPFv3 area "{area}"!')
if 'range' in area_config:
for range, range_config in area_config['range'].items():
if {'not_advertise', 'advertise'} <= range_config.keys():
raise ConfigError(f'"not-advertise" and "advertise" for "range {range}" cannot be both configured at the same time!')
if 'interface' in ospfv3:
for interface, interface_config in ospfv3['interface'].items():
verify_interface_exists(ospfv3, interface)
if 'ifmtu' in interface_config:
mtu = Interface(interface).get_mtu()
if int(interface_config['ifmtu']) > int(mtu):
raise ConfigError(f'OSPFv3 ifmtu can not exceed physical MTU of "{mtu}"')
# If interface specific options are set, we must ensure that the
# interface is bound to our requesting VRF. Due to the VyOS
# priorities the interface is bound to the VRF after creation of
# the VRF itself, and before any routing protocol is configured.
if vrf:
tmp = get_interface_config(interface)
if 'master' not in tmp or tmp['master'] != vrf:
raise ConfigError(f'Interface "{interface}" is not a member of VRF "{vrf}"!')
return None
def generate(config_dict):
if config_dict and not is_systemd_service_running('vyos-configd.service'):
FRRender().generate(config_dict)
return None
def apply(config_dict):
if config_dict and not is_systemd_service_running('vyos-configd.service'):
FRRender().apply()
return None
if __name__ == '__main__':
try:
c = get_config()
verify(c)
generate(c)
apply(c)
except ConfigError as e:
print(e)
exit(1)
|
