#!/usr/bin/env python3 # # Copyright (C) 2022-2023 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 jmespath import json import sys import typing from sys import exit from tabulate import tabulate from vyos.utils.process import cmd from vyos.utils.process import rc_cmd from vyos.utils.process import call from vyos.utils.dict import dict_search import vyos.opmode def _get_json_data(): """ Get bridge data format JSON """ return cmd(f'bridge --json link show') def _get_raw_data_summary(): """Get interested rules :returns dict """ data = _get_json_data() data_dict = json.loads(data) return data_dict def _get_raw_data_vlan(tunnel:bool=False): """ :returns dict """ show = 'show' if tunnel: show = 'tunnel' json_data = cmd(f'bridge --json --compressvlans vlan {show}') data_dict = json.loads(json_data) return data_dict def _get_raw_data_fdb(bridge): """Get MAC-address for the bridge brX :returns list """ code, json_data = rc_cmd(f'bridge --json fdb show br {bridge}') # From iproute2 fdb.c, fdb_show() will only exit(-1) in case of # non-existent bridge device; raise error. if code == 255: raise vyos.opmode.UnconfiguredSubsystem(f"no such bridge device {bridge}") data_dict = json.loads(json_data) return data_dict def _get_raw_data_mdb(bridge): """Get MAC-address multicast gorup for the bridge brX :return list """ json_data = cmd(f'bridge --json mdb show br {bridge}') data_dict = json.loads(json_data) return data_dict def _get_bridge_members(bridge: str) -> list: """ Get list of interface bridge members :param bridge: str :default: ['n/a'] :return: list """ data = _get_raw_data_summary() members = jmespath.search(f'[?master == `{bridge}`].ifname', data) return [member for member in members] if members else ['n/a'] def _get_member_options(bridge: str): data = _get_raw_data_summary() options = jmespath.search(f'[?master == `{bridge}`]', data) return options def _get_formatted_output_summary(data): data_entries = '' bridges = set(jmespath.search('[*].master', data)) for bridge in bridges: member_options = _get_member_options(bridge) member_entries = [] for option in member_options: interface = option.get('ifname') ifindex = option.get('ifindex') state = option.get('state') mtu = option.get('mtu') flags = ','.join(option.get('flags')).lower() prio = option.get('priority') member_entries.append([interface, state, mtu, flags, prio]) member_headers = ["Member", "State", "MTU", "Flags", "Prio"] output_members = tabulate(member_entries, member_headers, numalign="left") output_bridge = f"""Bridge interface {bridge}: {output_members} """ data_entries += output_bridge output = data_entries return output def _get_formatted_output_vlan(data): data_entries = [] for entry in data: interface = entry.get('ifname') vlans = entry.get('vlans') for vlan_entry in vlans: vlan = vlan_entry.get('vlan') if vlan_entry.get('vlanEnd'): vlan_end = vlan_entry.get('vlanEnd') vlan = f'{vlan}-{vlan_end}' flags_raw = vlan_entry.get('flags') flags = ', '.join(flags_raw if isinstance(flags_raw,list) else "").lower() data_entries.append([interface, vlan, flags]) headers = ["Interface", "VLAN", "Flags"] output = tabulate(data_entries, headers) return output def _get_formatted_output_vlan_tunnel(data): data_entries = [] for entry in data: interface = entry.get('ifname') first = True for tunnel_entry in entry.get('tunnels'): vlan = tunnel_entry.get('vlan') vni = tunnel_entry.get('tunid') if first: data_entries.append([interface, vlan, vni]) first = False else: # Group by VXLAN interface only - no need to repeat # VXLAN interface name for every VLAN <-> VNI mapping # # Interface VLAN VNI # ----------- ------ ----- # vxlan0 100 100 # 200 200 data_entries.append(['', vlan, vni]) headers = ["Interface", "VLAN", "VNI"] output = tabulate(data_entries, headers) return output def _get_formatted_output_fdb(data): data_entries = [] for entry in data: interface = entry.get('ifname') mac = entry.get('mac') state = entry.get('state') flags = ','.join(entry['flags']) data_entries.append([interface, mac, state, flags]) headers = ["Interface", "Mac address", "State", "Flags"] output = tabulate(data_entries, headers, numalign="left") return output def _get_formatted_output_mdb(data): data_entries = [] for entry in data: for mdb_entry in entry['mdb']: interface = mdb_entry.get('port') group = mdb_entry.get('grp') state = mdb_entry.get('state') flags = ','.join(mdb_entry.get('flags')) data_entries.append([interface, group, state, flags]) headers = ["Interface", "Group", "State", "Flags"] output = tabulate(data_entries, headers) return output def _get_bridge_detail(iface): """Get interface detail statistics""" return call(f'vtysh -c "show interface {iface}"') def _get_bridge_detail_nexthop_group(iface): """Get interface detail nexthop_group statistics""" return call(f'vtysh -c "show interface {iface} nexthop-group"') def _get_bridge_detail_nexthop_group_raw(iface): out = cmd(f'vtysh -c "show interface {iface} nexthop-group"') return out def _get_bridge_detail_raw(iface): """Get interface detail json statistics""" data = cmd(f'vtysh -c "show interface {iface} json"') data_dict = json.loads(data) return data_dict def show(raw: bool): bridge_data = _get_raw_data_summary() if raw: return bridge_data else: return _get_formatted_output_summary(bridge_data) def show_vlan(raw: bool, tunnel: typing.Optional[bool]): bridge_vlan = _get_raw_data_vlan(tunnel) if raw: return bridge_vlan else: if tunnel: return _get_formatted_output_vlan_tunnel(bridge_vlan) else: return _get_formatted_output_vlan(bridge_vlan) def show_fdb(raw: bool, interface: str): fdb_data = _get_raw_data_fdb(interface) if raw: return fdb_data else: return _get_formatted_output_fdb(fdb_data) def show_mdb(raw: bool, interface: str): mdb_data = _get_raw_data_mdb(interface) if raw: return mdb_data else: return _get_formatted_output_mdb(mdb_data) def show_detail(raw: bool, nexthop_group: typing.Optional[bool], interface: str): if raw: if nexthop_group: return _get_bridge_detail_nexthop_group_raw(interface) else: return _get_bridge_detail_raw(interface) else: if nexthop_group: return _get_bridge_detail_nexthop_group(interface) else: return _get_bridge_detail(interface) 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)