checks/dhcp_pools.include

   1 #!/usr/bin/python
   2 # -*- encoding: utf-8; py-indent-offset: 4 -*-
   3 # +------------------------------------------------------------------+
   4 # |             ____ _               _        __  __ _  __           |
   5 # |            / ___| |__   ___  ___| | __   |  \/  | |/ /           |
   6 # |           | |   | '_ \ / _ \/ __| |/ /   | |\/| | ' /            |
   7 # |           | |___| | | |  __/ (__|   <    | |  | | . \            |
   8 # |            \____|_| |_|\___|\___|_|\_\___|_|  |_|_|\_\           |
   9 # |                                                                  |
  10 # | Copyright Mathias Kettner 2015             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 # new params format
  28 # params = {
  29 #    'free_leases' : (warn, crit),
  30 #    'used_leases' : (warn, crit),
  31 # }
  32
  33
  34 def check_dhcp_pools_levels(free, used, pending, size, params):
  35     if isinstance(params, tuple):
  36         # In case of win_dhcp_pools old params are percent but of type
  37         # integer, thus we have to change them into floats
  38         params = {"free_leases": (float(params[0]), float(params[1]))}
  39
  40     for what, value in [("free", free), ("used", used)]:
  41         state = 0
  42         value_abs = value
  43
  44         if size == 0:
  45             value_perc = 0
  46         else:
  47             value_perc = float(value) / size * 100.0
  48
  49         infotext = "%s: %d leases (%.1f%%)" % (what, value, value_perc)
  50         if params.get("%s_leases" % what, ""):
  51             warn, crit = params["%s_leases" % what]
  52             if isinstance(warn, float):  # here we have levels in percent
  53                 value = value_perc
  54                 text_format = "%.1f"
  55                 unit = "%%"
  56                 warn_abs = int(size * (warn / 100.0))
  57                 crit_abs = int(size * (crit / 100.0))
  58             else:  # otherwise we use absolute values as integers
  59                 text_format = "%d"
  60                 unit = " %s pool entries" % what
  61                 warn_abs = warn
  62                 crit_abs = crit
  63
  64             if value < crit:
  65                 state = 2
  66             elif value < warn:
  67                 state = 1
  68
  69             if state:
  70                 infotext_format = " (warn/crit below " + text_format + "/" + text_format + unit + ")"
  71                 infotext += infotext_format % (warn, crit)
  72
  73         else:
  74             warn_abs = None
  75             crit_abs = None
  76
  77         yield state, infotext, [("%s_dhcp_leases" % what, value_abs, warn_abs, crit_abs, 0, size)]
  78
  79     if pending is not None:
  80         yield 0, "%d leases pending" % pending, [("pending_dhcp_leases", pending, None, None, 0,
  81                                                   size)]