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Diffstat (limited to 'src/op_mode/lldp_op.py')
-rwxr-xr-x | src/op_mode/lldp_op.py | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/src/op_mode/lldp_op.py b/src/op_mode/lldp_op.py new file mode 100755 index 000000000..06958c605 --- /dev/null +++ b/src/op_mode/lldp_op.py @@ -0,0 +1,125 @@ +#!/usr/bin/env python3 +# +# Copyright (C) 2019 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 argparse +import jinja2 +import json + +from sys import exit +from tabulate import tabulate + +from vyos.util import cmd +from vyos.config import Config + +parser = argparse.ArgumentParser() +parser.add_argument("-a", "--all", action="store_true", help="Show LLDP neighbors on all interfaces") +parser.add_argument("-d", "--detail", action="store_true", help="Show detailes LLDP neighbor information on all interfaces") +parser.add_argument("-i", "--interface", action="store", help="Show LLDP neighbors on specific interface") + +# Please be careful if you edit the template. +lldp_out = """Capability Codes: R - Router, B - Bridge, W - Wlan r - Repeater, S - Station + D - Docsis, T - Telephone, O - Other + +Device ID Local Proto Cap Platform Port ID +--------- ----- ----- --- -------- ------- +{% for neighbor in neighbors %} +{% for local_if, info in neighbor.items() %} +{{ "%-25s" | format(info.chassis) }} {{ "%-9s" | format(local_if) }} {{ "%-6s" | format(info.proto) }} {{ "%-5s" | format(info.capabilities) }} {{ "%-20s" | format(info.platform[:18]) }} {{ info.remote_if }} +{% endfor %} +{% endfor %} +""" + +def get_neighbors(): + return cmd('/usr/sbin/lldpcli -f json show neighbors') + +def parse_data(data): + output = [] + for tmp in data: + for local_if, values in tmp.items(): + for chassis, c_value in values.get('chassis', {}).items(): + capabilities = c_value['capability'] + if isinstance(capabilities, dict): + capabilities = [capabilities] + + cap = '' + for capability in capabilities: + if capability['enabled']: + if capability['type'] == 'Router': + cap += 'R' + if capability['type'] == 'Bridge': + cap += 'B' + if capability['type'] == 'Wlan': + cap += 'W' + if capability['type'] == 'Station': + cap += 'S' + if capability['type'] == 'Repeater': + cap += 'r' + if capability['type'] == 'Telephone': + cap += 'T' + if capability['type'] == 'Docsis': + cap += 'D' + if capability['type'] == 'Other': + cap += 'O' + + + remote_if = 'Unknown' + if 'descr' in values.get('port', {}): + remote_if = values.get('port', {}).get('descr') + elif 'id' in values.get('port', {}): + remote_if = values.get('port', {}).get('id').get('value', 'Unknown') + + output.append({local_if: {'chassis': chassis, + 'remote_if': remote_if, + 'proto': values.get('via','Unknown'), + 'platform': c_value.get('descr', 'Unknown'), + 'capabilities': cap}}) + + + output = {'neighbors': output} + return output + +if __name__ == '__main__': + args = parser.parse_args() + tmp = { 'neighbors' : [] } + + c = Config() + if not c.exists_effective(['service', 'lldp']): + print('Service LLDP is not configured') + exit(0) + + if args.detail: + print(cmd('/usr/sbin/lldpctl -f plain')) + exit(0) + elif args.all or args.interface: + tmp = json.loads(get_neighbors()) + + if args.all: + neighbors = tmp['lldp']['interface'] + elif args.interface: + neighbors = [] + for neighbor in tmp['lldp']['interface']: + if args.interface in neighbor: + neighbors.append(neighbor) + + else: + parser.print_help() + exit(1) + + tmpl = jinja2.Template(lldp_out, trim_blocks=True) + config_text = tmpl.render(parse_data(neighbors)) + print(config_text) + + exit(0) |