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#!/usr/bin/env python3
#
# Copyright (C) 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/>.
import json
import sys
import typing
from tabulate import tabulate
from vyos.utils.process import cmd
import vyos.opmode
ArgFamily = typing.Literal['inet', 'inet6']
def _get_raw_data(family, interface=None):
tmp = 'ip -4'
if family == 'inet6':
tmp = 'ip -6'
tmp = f'{tmp} -j maddr show'
if interface:
tmp = f'{tmp} dev {interface}'
output = cmd(tmp)
data = json.loads(output)
if not data:
return []
return data
def _get_formatted_output(raw_data):
data_entries = []
# sort result by interface name
for interface in sorted(raw_data, key=lambda x: x['ifname']):
for address in interface['maddr']:
tmp = []
tmp.append(interface['ifname'])
tmp.append(address['family'])
tmp.append(address['address'])
data_entries.append(tmp)
headers = ["Interface", "Family", "Address"]
output = tabulate(data_entries, headers, numalign="left")
return output
def show_group(raw: bool, family: ArgFamily, interface: typing.Optional[str]):
multicast_data = _get_raw_data(family=family, interface=interface)
if raw:
return multicast_data
else:
return _get_formatted_output(multicast_data)
if __name__ == "__main__":
try:
res = vyos.opmode.run(sys.modules[__name__])
if res:
print(res)
except (ValueError, vyos.opmode.Error) as e:
print(e)
sys.exit(1)
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