diff options
Diffstat (limited to 'src/op_mode/bonding.py')
-rwxr-xr-x | src/op_mode/bonding.py | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/src/op_mode/bonding.py b/src/op_mode/bonding.py new file mode 100755 index 000000000..07bccbd4b --- /dev/null +++ b/src/op_mode/bonding.py @@ -0,0 +1,103 @@ +#!/usr/bin/env python3 +# +# Copyright (C) 2016-2024 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/>. +# +# This script will parse 'sudo cat /proc/net/bonding/<interface name>' and return table output for lacp related info + +import subprocess +import re +import sys +import typing +from tabulate import tabulate + +import vyos.opmode +from vyos.configquery import ConfigTreeQuery + +def list_to_dict(data, headers, basekey): + data_list = {basekey: []} + + for row in data: + row_dict = {headers[i]: row[i] for i in range(len(headers))} + data_list[basekey].append(row_dict) + + return data_list + +def show_lacp_neighbors(raw: bool, interface: typing.Optional[str]): + headers = ["Interface", "Member", "Local ID", "Remote ID"] + data = subprocess.run(f"cat /proc/net/bonding/{interface}", stdout=subprocess.PIPE, stderr=subprocess.DEVNULL, shell=True, text=False).stdout.decode('utf-8') + if 'Bonding Mode: IEEE 802.3ad Dynamic link aggregation' not in data: + raise vyos.opmode.DataUnavailable(f"{interface} is not present or not configured with mode 802.3ad") + + pattern = re.compile( + r"Slave Interface: (?P<member>\w+\d+).*?" + r"system mac address: (?P<local_id>[0-9a-f:]+).*?" + r"details partner lacp pdu:.*?" + r"system mac address: (?P<remote_id>[0-9a-f:]+)", + re.DOTALL + ) + + interfaces = [] + + for match in re.finditer(pattern, data): + member = match.group("member") + local_id = match.group("local_id") + remote_id = match.group("remote_id") + interfaces.append([interface, member, local_id, remote_id]) + + if raw: + return list_to_dict(interfaces, headers, 'lacp') + else: + return tabulate(interfaces, headers) + +def show_lacp_detail(raw: bool, interface: typing.Optional[str]): + headers = ["Interface", "Members", "Mode", "Rate", "System-MAC", "Hash"] + query = ConfigTreeQuery() + + if interface: + intList = [interface] + else: + intList = query.list_nodes(['interfaces', 'bonding']) + + bondList = [] + + for interface in intList: + data = subprocess.run(f"cat /proc/net/bonding/{interface}", stdout=subprocess.PIPE, stderr=subprocess.DEVNULL, shell=True, text=False).stdout.decode('utf-8') + if 'Bonding Mode: IEEE 802.3ad Dynamic link aggregation' not in data: + continue + + mode_active = "active" if "LACP active: on" in data else "passive" + lacp_rate = re.search(r"LACP rate: (\w+)", data).group(1) if re.search(r"LACP rate: (\w+)", data) else "N/A" + hash_policy = re.search(r"Transmit Hash Policy: (.+?) \(\d+\)", data).group(1) if re.search(r"Transmit Hash Policy: (.+?) \(\d+\)", data) else "N/A" + system_mac = re.search(r"System MAC address: ([0-9a-f:]+)", data).group(1) if re.search(r"System MAC address: ([0-9a-f:]+)", data) else "N/A" + if raw: + members = re.findall(r"Slave Interface: ([a-zA-Z0-9:_-]+)", data) + else: + members = ",".join(set(re.findall(r"Slave Interface: ([a-zA-Z0-9:_-]+)", data))) + + bondList.append([interface, members, mode_active, lacp_rate, system_mac, hash_policy]) + + if raw: + return list_to_dict(bondList, headers, 'lacp') + else: + return tabulate(bondList, headers) + +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) |