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#!/usr/bin/env python3
#
# Copyright (C) 2019-2020 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 glob import glob
from sys import exit
from vyos.config import Config
from vyos.configdict import get_interface_dict
from vyos.configverify import verify_address
from vyos.configverify import verify_dhcpv6
from vyos.configverify import verify_interface_exists
from vyos.configverify import verify_mtu
from vyos.configverify import verify_mtu_ipv6
from vyos.configverify import verify_vlan_config
from vyos.configverify import verify_vrf
from vyos.ifconfig import EthernetIf
from vyos.util import dict_search
from vyos import ConfigError
from vyos import airbag
airbag.enable()
def get_config(config=None):
"""
Retrive CLI config as dictionary. Dictionary can never be empty, as at least the
interface name will be added or a deleted flag
"""
if config:
conf = config
else:
conf = Config()
base = ['interfaces', 'ethernet']
ethernet = get_interface_dict(conf, base)
return ethernet
def verify(ethernet):
if 'deleted' in ethernet:
return None
verify_interface_exists(ethernet)
if ethernet.get('speed', None) == 'auto':
if ethernet.get('duplex', None) != 'auto':
raise ConfigError('If speed is hardcoded, duplex must be hardcoded, too')
if ethernet.get('duplex', None) == 'auto':
if ethernet.get('speed', None) != 'auto':
raise ConfigError('If duplex is hardcoded, speed must be hardcoded, too')
verify_mtu(ethernet)
verify_mtu_ipv6(ethernet)
verify_dhcpv6(ethernet)
verify_address(ethernet)
verify_vrf(ethernet)
# XDP requires multiple TX queues
if 'xdp' in ethernet:
queues = glob('/sys/class/net/{ifname}/queues/tx-*'.format(**ethernet))
if len(queues) < 2:
raise ConfigError('XDP requires additional TX queues, too few available!')
if {'is_bond_member', 'mac'} <= set(ethernet):
print(f'WARNING: changing mac address "{mac}" will be ignored as "{ifname}" '
f'is a member of bond "{is_bond_member}"'.format(**ethernet))
# use common function to verify VLAN configuration
verify_vlan_config(ethernet)
return None
def generate(ethernet):
return None
def apply(ethernet):
e = EthernetIf(ethernet['ifname'])
if 'deleted' in ethernet:
# delete interface
e.remove()
else:
e.update(ethernet)
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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