#!/usr/bin/env python3 # # Copyright (C) 2018-2023 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/>. # # File: snmp_ifmib.py # Purpose: # Show SNMP MIB information # Used by the "run show snmp mib" commands. import sys import argparse import netifaces from vyos.config import Config from vyos.utils.process import popen parser = argparse.ArgumentParser(description='Retrieve SNMP interfaces information') parser.add_argument('--ifindex', action='store', nargs='?', const='all', help='Show interface index') parser.add_argument('--ifalias', action='store', nargs='?', const='all', help='Show interface aliase') parser.add_argument('--ifdescr', action='store', nargs='?', const='all', help='Show interface description') def show_ifindex(intf): out, err = popen(f'/bin/ip link show {intf}', decode='utf-8') index = 'ifIndex = ' + out.split(':')[0] return index.replace('\n', '') def show_ifalias(intf): out, err = popen(f'/bin/ip link show {intf}', decode='utf-8') alias = out.split('alias')[1].lstrip() if 'alias' in out else intf return 'ifAlias = ' + alias.replace('\n', '') def show_ifdescr(i): ven_id = '' dev_id = '' try: with open(r'/sys/class/net/' + i + '/device/vendor', 'r') as f: ven_id = f.read().replace('\n', '') except FileNotFoundError: pass try: with open(r'/sys/class/net/' + i + '/device/device', 'r') as f: dev_id = f.read().replace('\n', '') except FileNotFoundError: pass if ven_id == '' and dev_id == '': ret = 'ifDescr = {0}'.format(i) return ret device = str(ven_id) + ':' + str(dev_id) out, err = popen(f'/usr/bin/lspci -mm -d {device}', decode='utf-8') vendor = "" device = "" # convert output to string string = out.split('"') if len(string) > 3: vendor = string[3] if len(string) > 5: device = string[5] ret = 'ifDescr = {0} {1}'.format(vendor, device) return ret.replace('\n', '') if __name__ == '__main__': args = parser.parse_args() # Do nothing if service is not configured c = Config() if not c.exists_effective('service snmp'): print("SNMP service is not configured") sys.exit(0) if args.ifindex: if args.ifindex == 'all': for i in netifaces.interfaces(): print('{0}: {1}'.format(i, show_ifindex(i))) else: print('{0}: {1}'.format(args.ifindex, show_ifindex(args.ifindex))) elif args.ifalias: if args.ifalias == 'all': for i in netifaces.interfaces(): print('{0}: {1}'.format(i, show_ifalias(i))) else: print('{0}: {1}'.format(args.ifalias, show_ifalias(args.ifalias))) elif args.ifdescr: if args.ifdescr == 'all': for i in netifaces.interfaces(): print('{0}: {1}'.format(i, show_ifdescr(i))) else: print('{0}: {1}'.format(args.ifdescr, show_ifdescr(args.ifdescr))) else: #eth0: ifIndex = 2 # ifAlias = NET-MYBLL-MUCI-BACKBONE # ifDescr = VMware VMXNET3 Ethernet Controller #lo: ifIndex = 1 for i in netifaces.interfaces(): print('{0}:\t{1}'.format(i, show_ifindex(i))) print('\t{0}'.format(show_ifalias(i))) print('\t{0}'.format(show_ifdescr(i))) sys.exit(1)