Delete inv_ipv4_addresses.py

agent_based/inv_ipv4_addresses.py

-#!/usr/bin/env python3
-# -*- coding: utf-8 -*-
-#
-# License: GNU General Public License v2
-#
-# Author: thl-cmk[at]outlook[dot]com
-# URL   : https://thl-cmk.hopto.org
-# Date  : 2023-12-27
-# File  : inv_ipv4_addresses.py
-#
-# inventory of IPv4 address information
-
-
-import ipaddress
-from dataclasses import dataclass
-from typing import List
-
-from cmk.base.plugins.agent_based.agent_based_api.v1 import (
-    OIDEnd,
-)
-from cmk.base.plugins.agent_based.agent_based_api.v1 import (
-    register,
-    SNMPTree,
-    TableRow,
-    exists,
-)
-from cmk.base.plugins.agent_based.agent_based_api.v1.type_defs import (
-    StringTable,
-    InventoryResult,
-)
-
-
-@dataclass(frozen=True)
-class Ipv4Info:
-    address: str
-    broadcast: str
-    cidr: int
-    if_index: int
-    if_name: str
-    max_re_assemble: int | None
-    netmask: str
-    network: str
-
-
-def parse_inv_ipv4_addresses(string_table: List[StringTable]) -> List[Ipv4Info]:
-    ipv4_info, if_info = string_table
-
-    interface_by_index = {if_index: if_name for if_index, if_name in if_info}
-
-    ipv4_infos = []
-    for ipv4_address, if_index, ipv4_netmask, ipv4_bcast, max_re_assemble in ipv4_info:
-        ipv4 = ipaddress.IPv4Network(address=f'{ipv4_address}/{ipv4_netmask}', strict=False)
-
-        ipv4_infos.append(
-            Ipv4Info(
-                address=str(ipv4_address),
-                broadcast=str(ipv4.broadcast_address),
-                cidr=int(ipv4.prefixlen),
-                if_index=int(if_index),
-                if_name=str(interface_by_index.get(if_index, f'unknown ({if_index})')),
-                max_re_assemble=int(max_re_assemble) if max_re_assemble.isdigit() else None,
-                netmask=str(ipv4_netmask),
-                network=str(ipv4.network_address),
-            )
-        )
-
-    return ipv4_infos
-
-
-def inventory_ipv4_addresses(section: List[Ipv4Info]) -> InventoryResult:
-    path = ['networking', 'addresses']
-
-    for ipv4_info in section:
-        key_columns = {
-            'address': ipv4_info.address,
-            'device': ipv4_info.if_name,
-        }
-        inventory_columns = {
-            'broadcast': ipv4_info.broadcast,
-            'cidr': ipv4_info.cidr,
-            # 'if_index': ipv4_info.if_index,
-            # 'max_re_assemble': ipv4_info.max_re_assemble,
-            'netmask': ipv4_info.netmask,
-            'network': ipv4_info.network,
-            'type': 'ipv4',
-        }
-        yield TableRow(
-            path=path,
-            key_columns=key_columns,
-            inventory_columns=inventory_columns
-        )
-
-
-register.snmp_section(
-    name='inv_ipv4_addresses',
-    parse_function=parse_inv_ipv4_addresses,
-    fetch=[
-        SNMPTree(
-            base='.1.3.6.1.2.1.4.20.1',  # IP-MIB::ipAddrEntry
-            oids=[
-                '1',  # ipAdEntAddr
-                '2',  # ipAdEntIfIndex
-                '3',  # ipAdEntNetMask
-                '4',  # ipAdEntBcastAddr
-                '5',  # ipAdEntReasmMaxSize
-
-            ]
-        ),
-        SNMPTree(
-            base='.1.3.6.1.2.1.31.1.1.1',  #
-            oids=[
-                OIDEnd(),  # ifIndex
-                '1',  # ifName
-            ]),
-    ],
-    detect=exists('.1.3.6.1.2.1.4.20.1.1.*'),  #
-)
-
-register.inventory_plugin(
-    name='inv_ipv4_addresses',
-    inventory_function=inventory_ipv4_addresses,
-)