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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 sys import exit
from vyos.config import Config
from vyos.configdict import get_interface_dict
from vyos.configverify import verify_interface_exists
from vyos.configverify import verify_dhcpv6
from vyos.configverify import verify_address
from vyos.configverify import verify_vrf
from vyos.configverify import verify_vlan_config
from vyos.ifconfig import EthernetIf
from vyos import ConfigError
from vyos import airbag
airbag.enable()
def get_config():
"""
Retrive CLI config as dictionary. Dictionary can never be empty, as at least the
interface name will be added or a deleted flag
"""
conf = Config()
base = ['interfaces', 'ethernet']
# determine tagNode instance
if 'VYOS_TAGNODE_VALUE' not in os.environ:
raise ConfigError('Interface (VYOS_TAGNODE_VALUE) not specified')
ifname = os.environ['VYOS_TAGNODE_VALUE']
ethernet = get_interface_dict(conf, base, ifname)
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_dhcpv6(ethernet)
verify_address(ethernet)
verify_vrf(ethernet)
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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