checks/lnx_bonding

   1 #!/usr/bin/python
   2 # -*- encoding: utf-8; py-indent-offset: 4 -*-
   3 # +------------------------------------------------------------------+
   4 # |             ____ _               _        __  __ _  __           |
   5 # |            / ___| |__   ___  ___| | __   |  \/  | |/ /           |
   6 # |           | |   | '_ \ / _ \/ __| |/ /   | |\/| | ' /            |
   7 # |           | |___| | | |  __/ (__|   <    | |  | | . \            |
   8 # |            \____|_| |_|\___|\___|_|\_\___|_|  |_|_|\_\           |
   9 # |                                                                  |
  10 # | Copyright Mathias Kettner 2014             mk@mathias-kettner.de |
  11 # +------------------------------------------------------------------+
  12 #
  13 # This file is part of Check_MK.
  14 # The official homepage is at http://mathias-kettner.de/check_mk.
  15 #
  16 # check_mk is free software;  you can redistribute it and/or modify it
  17 # under the  terms of the  GNU General Public License  as published by
  18 # the Free Software Foundation in version 2.  check_mk is  distributed
  19 # in the hope that it will be useful, but WITHOUT ANY WARRANTY;  with-
  20 # out even the implied warranty of  MERCHANTABILITY  or  FITNESS FOR A
  21 # PARTICULAR PURPOSE. See the  GNU General Public License for more de-
  22 # tails. You should have  received  a copy of the  GNU  General Public
  23 # License along with GNU Make; see the file  COPYING.  If  not,  write
  24 # to the Free Software Foundation, Inc., 51 Franklin St,  Fifth Floor,
  25 # Boston, MA 02110-1301 USA.
  26
  27 # <<<lnx_bonding:sep(58)>>>
  28 # ==> bond0 <==
  29 # Ethernet Channel Bonding Driver: v3.7.1 (April 27, 2011)
  30 #
  31 # Bonding Mode: load balancing (round-robin)
  32 # MII Status: down
  33 # MII Polling Interval (ms): 0
  34 # Up Delay (ms): 0
  35 # Down Delay (ms): 0
  36 #
  37 # ==> bond1 <==
  38 # Ethernet Channel Bonding Driver: v3.2.5 (March 21, 2008)
  39 #
  40 # Bonding Mode: fault-tolerance (active-backup)
  41 # Primary Slave: eth0
  42 # Currently Active Slave: eth0
  43 # MII Status: up
  44 # MII Polling Interval (ms): 100
  45 # Up Delay (ms): 0
  46 # Down Delay (ms): 0
  47 #
  48 # Slave Interface: eth4
  49 # MII Status: up
  50 # Link Failure Count: 0
  51 # Permanent HW addr: 00:1b:21:49:d4:e4
  52 #
  53 # Slave Interface: eth0
  54 # MII Status: up
  55 # Link Failure Count: 1
  56 # Permanent HW addr: 00:26:b9:7d:89:2e
  57
  58
  59 def _split_into_bonds(info):
  60     bonds = {}
  61     for line in info:
  62         if len(line) == 1 and line[0].startswith("/"):
  63             continue
  64         else:
  65             line = [i.strip() for i in line]
  66
  67         words = line[0].split()
  68         if words[0] == '==>':
  69             current = bonds.setdefault(words[1], [])
  70         elif 'Channel Bonding Driver' in line:
  71             pass
  72         else:
  73             current.append(line)
  74     return bonds
  75
  76
  77 def _parse_bond(bond_lines):
  78     bond = {}
  79     interfaces = bond.setdefault("interfaces", {})
  80     # start with global part
  81     current = bond.setdefault("main", {})
  82
  83     for line in bond_lines:
  84         # check for start of new sections
  85         if line[0] == "Slave Interface":
  86             current = interfaces.setdefault(line[1], {})
  87         elif line[0] == "802.3ad info":
  88             current = bond.setdefault("802.3ad info", {})
  89         # or add key/val to current dict
  90         else:
  91             current[line[0]] = ':'.join(line[1:])
  92     return bond
  93
  94
  95 def _convert_to_generic(bonds):
  96     '''convert to generic dict, also used by other bonding checks'''
  97     converted = {}
  98     for bond, status in bonds.items():
  99         bond = bond.lstrip("./")
 100         interfaces = {}
 101         for eth, ethstatus in status["interfaces"].items():
 102             interfaces[eth] = {
 103                 "status": ethstatus["MII Status"],
 104                 "hwaddr": ethstatus.get("Permanent HW addr", ""),
 105                 "failures": int(ethstatus["Link Failure Count"]),
 106             }
 107             if "Aggregator ID" in ethstatus:
 108                 interfaces[eth]["aggregator_id"] = ethstatus["Aggregator ID"]
 109
 110         converted[bond] = {
 111             "status": status["main"]["MII Status"],
 112             "mode": status["main"]["Bonding Mode"].split('(')[0].strip(),
 113             "interfaces": interfaces,
 114         }
 115         if "802.3ad info" in status:
 116             converted[bond]["aggregator_id"] = status["802.3ad info"]["Aggregator ID"]
 117
 118         if "Currently Active Slave" in status["main"]:
 119             converted[bond]["active"] = status["main"]["Currently Active Slave"]
 120         if "Primary Slave" in status["main"]:
 121             converted[bond]["primary"] = status["main"]["Primary Slave"].split()[0]
 122     return converted
 123
 124
 125 def parse_lnx_bonding(info):
 126     bond_blocks = _split_into_bonds(info)
 127     bonds = {k: _parse_bond(bond_blocks[k]) for k in bond_blocks}
 128     return _convert_to_generic(bonds)
 129
 130
 131 check_info['lnx_bonding'] = {
 132     "parse_function": parse_lnx_bonding,
 133     "check_function": check_bonding,
 134     "inventory_function": inventory_bonding,
 135     "service_description": "Bonding Interface %s",
 136     "group": "bonding",
 137     "default_levels_variable": "bonding_default_levels",
 138     "includes": ["bonding.include"],
 139 }