T6291: Add LACP related op commands (backport #3389)

op-mode-definitions/show-interfaces-bonding.xml.in

@@ -23,8 +23,27 @@
                 <properties>
                   <help>Show detailed interface information</help>
                 </properties>
-                <command>if [ -f "/proc/net/bonding/$4" ]; then cat "/proc/net/bonding/$4"; else echo "Interface $4 does not exist!"; fi</command>
+                <command>if [ -f "/proc/net/bonding/$4" ]; then sudo cat "/proc/net/bonding/$4"; else echo "Interface $4 does not exist!"; fi</command>
               </leafNode>
+              <node name="lacp">
+                <properties>
+                  <help>Show LACP related info</help>
+                </properties>
+                <children>
+                  <leafNode name="detail">
+                    <properties>
+                      <help>Show LACP details</help>
+                    </properties>
+                    <command>sudo ${vyos_op_scripts_dir}/bonding.py show_lacp_detail --interface="$4" </command>
+                  </leafNode>
+                  <leafNode name="neighbors">
+                    <properties>
+                      <help>Show LACP Neighbors</help>
+                    </properties>
+                    <command>sudo ${vyos_op_scripts_dir}/bonding.py show_lacp_neighbors --interface="$4"</command>
+                  </leafNode>
+                </children>
+              </node>
               <leafNode name="slaves">
                 <properties>
                   <help>Show specified bonding interface information</help>
@@ -62,6 +81,19 @@
                 </properties>
                 <command>${vyos_op_scripts_dir}/interfaces.py show --intf-type=bonding</command>
               </leafNode>
+              <node name="lacp">
+                <properties>
+                  <help>Show LACP related info</help>
+                </properties>
+                <children>
+                  <leafNode name="detail">
+                    <properties>
+                      <help>Show LACP details</help>
+                    </properties>
+                    <command>sudo ${vyos_op_scripts_dir}/bonding.py show_lacp_detail</command>
+                  </leafNode>
+                </children>
+              </node>
               <leafNode name="slaves">
                 <properties>
                   <help>Show specified bonding interface information</help>

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)