checks/sylo

   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 # Author: Lars Michelsen <lm@mathias-kettner.de
  28
  29 # Example output of agent:
  30 #<<<sylo>>>
  31 #            7859            7859           10240
  32 #
  33 # Syntax of the hint file:
  34 #
  35 # +------------------------------------------+
  36 # | in offset (Ascii, space padded, bytes)   |  16 Bytes
  37 # +------------------------------------------+
  38 # | out offset                               |  16 Bytes
  39 # +------------------------------------------+
  40 # | Size of sylo                             |  16 Bytes
  41 # +------------------------------------------+
  42 #
  43 # The check_mk_agents add the mtime in front of the hint file contents
  44
  45 # 0: alive_report (max age of hint file in seconds)
  46 # 1: warn fill level in percent
  47 # 2: crit fill level in percent
  48 sylo_default_levels = (70, 5, 25)
  49
  50
  51 def inventory_sylo(info):
  52     if len(info) > 0 and len(info[0]) == 4:
  53         return [(None, "", "sylo_default_levels")]
  54
  55
  56 def check_sylo(item, params, info):
  57     if len(info) != 1:
  58         return (2, "No hint file (sylo probably never ran on this system)")
  59
  60     if len(info[0]) == 4:
  61         msg = ""
  62
  63         alive_report, warn, crit = params
  64
  65         mtime = int(info[0][0])
  66         inOffset = int(info[0][1])
  67         outOffset = int(info[0][2])
  68         size = int(info[0][3])
  69         size_mb = size / (1024 * 1024.0)
  70         warn_mb = size_mb * warn / 100.0
  71         crit_mb = size_mb * crit / 100.0
  72
  73         # CRIT: too old
  74         now = int(time.time())
  75         age = now - mtime
  76         if age > alive_report:
  77             status = 2
  78             return (2, "Sylo not running (Hintfile too old: last update %d secs ago)" % age)
  79
  80         # Current fill state
  81         if inOffset == outOffset:
  82             bytesUsed = 0
  83         elif inOffset > outOffset:
  84             bytesUsed = inOffset - outOffset
  85         elif inOffset < outOffset:
  86             bytesUsed = size - outOffset + inOffset
  87         percUsed = float(bytesUsed) / size * 100
  88         used_mb = bytesUsed / (1024 * 1024.0)
  89
  90         # Rates for input and output
  91         in_rate = get_rate("sylo.in", mtime, inOffset)
  92         out_rate = get_rate("sylo.out", mtime, outOffset)
  93         msg += "Silo is filled %.1fMB (%.1f%%), in %.1f B/s, out %.1f B/s" % \
  94                (bytesUsed / (1024*1024.0), percUsed, in_rate, out_rate)
  95
  96         status = 0
  97         if percUsed >= crit and status < 2:
  98             status = 2
  99         elif percUsed >= warn and status < 1:
 100             status = 1
 101
 102         return status, msg, [('in', '%f' % in_rate), ('out', '%f' % out_rate),
 103                              ('used', '%f' % used_mb, warn_mb, crit_mb, 0, size_mb)]
 104
 105     return (3, "Invalid hint file contents: " % info)
 106
 107
 108 check_info["sylo"] = {
 109     'check_function': check_sylo,
 110     'inventory_function': inventory_sylo,
 111     'service_description': 'Sylo',
 112     'has_perfdata': True,
 113 }