update project

agent_based/if64name.py

+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+# Copyright (C) 2019 tribe29 GmbH - License: GNU General Public License v2
+# This file is part of Checkmk (https://checkmk.com). It is subject to the terms and
+# conditions defined in the file COPYING, which is part of this source code package.
+
+# 2021-07-01: extended if64 to use ifNAme instead of ifDescr
+
+
+from typing import (
+    List,
+)
+
+from cmk.base.plugins.agent_based.agent_based_api.v1 import (
+    register,
+    SNMPTree,
+    type_defs,
+)
+from cmk.base.plugins.agent_based.utils import if64, interfaces
+
+_interface_displayhints = {
+    'ethernet': 'Eth',
+    'fastethernet': 'Fa',
+    'gigabitethernet': 'Gi',
+    'tengigabitethernet': 'Te',
+    'fortygigabitethernet': 'Fo',
+    'hundredgigabitethernet': 'Hu',
+    'port-channel': 'Po',
+    'tunnel': 'Tu',
+    'loopback': 'Lo',
+    'cellular': 'Cel',
+    'vlan': 'Vlan',
+    'management': 'Ma',
+}
+
+
+def _get_short_if_name(ifname: str) -> str:
+    """
+    returns short interface name from long interface name
+    ifname: is the long interface name
+    :type ifname: str
+    """
+
+    for ifname_prefix in _interface_displayhints.keys():
+        if ifname.lower().startswith(ifname_prefix.lower()):
+            ifname_short = _interface_displayhints[ifname_prefix]
+            return ifname.lower().replace(ifname_prefix.lower(), ifname_short, 1)
+    return ifname
+
+
+def parse_if64name(string_table: List[type_defs.StringByteTable]) -> interfaces.Section:
+    for interface in string_table[0]:
+        if interface[-1] is not '':
+            interface[1] = interface[-1]  # replace ifDescr with ifName (.1.3.6.1.2.1.31.1.1.1.1)
+        interface[1] = _get_short_if_name(interface[1])  # ifDescr (.1.3.6.1.2.1.2.2.1.2)
+        interface.pop()  # remove last entry from interfaces (ifName)  -> return original if64 format
+    return if64.parse_if64(string_table)
+
+
+register.snmp_section(
+    name="if64name",
+    parsed_section_name='if64',
+    parse_function=parse_if64name,
+    fetch=[
+        SNMPTree(
+            base=if64.BASE_OID,
+            oids=if64.END_OIDS + ['31.1.1.1.1']  # IF-MIB::ifName,
+        ),
+    ],
+    detect=if64.HAS_ifHCInOctets,
+    supersedes=['if', 'statgrab_net', 'if64'],
+)

packages/if64name

+{'author': 'thl-cmk[at]outlook[dot]com',
+ 'description': 'This snmp section/(parse function extends the if64 check by '
+                'replacing ifDescr with ifName if available.  It will also '
+                'replace the long interface name with a short version.\n'
+                'To use this extension you need to have a interface discovery '
+                'rule that uses interface description for the service item. To '
+                'use the unchanged if64 version, just disable the if64_name '
+                'snmp section.\n',
+ 'download_url': 'https://thl-cmk.hopto.org',
+ 'files': {'agent_based': ['if64name.py']},
+ 'name': 'if64name',
+ 'num_files': 1,
+ 'title': 'ifName extension  for if64',
+ 'version': '20210704_v0.0.1',
+ 'version.min_required': '2.0.0',
+ 'version.packaged': '2021.04.10',
+ 'version.usable_until': None}
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