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#!/usr/bin/env python3
#
# Copyright VyOS maintainers and contributors <maintainers@vyos.io>
#
# 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 vyos.config import Config
from vyos.configverify import has_frr_protocol_in_dict
from vyos.frrender import FRRender
from vyos.frrender import get_frrender_dict
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)
def verify(config_dict):
if not has_frr_protocol_in_dict(config_dict, 'traffic_engineering'):
return None
te = config_dict['traffic_engineering']
group_by_bit_position = {}
if 'admin_group' in te:
for admin_group, admin_group_data in te['admin_group'].items():
if 'bit_position' not in admin_group_data:
raise ConfigError(
f'Missing required "bit-position" in group {admin_group}'
)
if admin_group_data['bit_position'] in group_by_bit_position:
other = group_by_bit_position[admin_group_data['bit_position']]
raise ConfigError(
f'Two admin-groups cannot have same bit positions! Conflicting groups: {admin_group} and {other}'
)
group_by_bit_position[admin_group_data['bit_position']] = admin_group
all_groups = group_by_bit_position.values()
if 'interface' in te:
for interface, interface_data in te['interface'].items():
if 'admin_group' not in interface_data:
continue
for grp in interface_data['admin_group']:
if grp not in all_groups:
raise ConfigError(
f'Unknown admin-group "{grp}" set for interface "{interface}"'
)
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 not has_frr_protocol_in_dict(config_dict, 'traffic_engineering'):
return None
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)
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