# Copyright 2018 VyOS maintainers and contributors <maintainers@vyos.io> # # This library is free software; you can redistribute it and/or # modify it under the terms of the GNU Lesser General Public # License as published by the Free Software Foundation; either # version 2.1 of the License, or (at your option) any later version. # # This library 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 # Lesser General Public License for more details. # # You should have received a copy of the GNU Lesser General Public # License along with this library. If not, see <http://www.gnu.org/licenses/>. import re import json import netifaces intf_type_data_file = '/usr/share/vyos/interface-types.json' def list_interfaces(): interfaces = netifaces.interfaces() # Remove "fake" interfaces associated with drivers for i in ["dummy0", "ip6tnl0", "tunl0", "ip_vti0", "ip6_vti0"]: try: interfaces.remove(i) except ValueError: pass return interfaces def list_interfaces_of_type(typ): with open(intf_type_data_file, 'r') as f: types_data = json.load(f) all_intfs = list_interfaces() if not (typ in types_data.keys()): raise ValueError("Unknown interface type: {0}".format(typ)) else: r = re.compile('^{0}\d+'.format(types_data[typ])) return list(filter(lambda i: re.match(r, i), all_intfs))