checks/db.include

   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 # no used space check for Tablsspaces with CONTENTS in ('TEMPORARY','UNDO')
  28 # It is impossible to check the used space in UNDO and TEMPORARY Tablespaces
  29 # These Types of Tablespaces are ignored in this plugin.
  30 # This restriction is only working with newer agents, because we need an
  31 # additional parameter at end if each datafile
  32
  33
  34 def db_get_tablespace_levels_in_bytes(size_bytes, params):
  35     # If the magic factor is used, take table size and magic factor
  36     # into account in order to move levels
  37     magic = params.get("magic")
  38
  39     # Use tablespace size dependent dynamic levels or static levels
  40     if isinstance(params.get("levels"), tuple):
  41         warn, crit = params.get("levels")
  42     else:
  43         # A list of levels. Choose the correct one depending on the
  44         # size of the current tablespace
  45         for to_size, this_levels in params.get("levels"):
  46             if size_bytes > to_size:
  47                 warn, crit = this_levels
  48                 break
  49         else:
  50             return None, None, "", False
  51
  52     # warn/crit level are float => percentages of max size, otherwise MB
  53     if isinstance(warn, float):
  54         output_as_percentage = True
  55         if magic:
  56             normsize = params["magic_normsize"] * 1024 * 1024
  57             hbytes_size = size_bytes / float(normsize)
  58             felt_size = hbytes_size**magic
  59             scale = felt_size / hbytes_size
  60             warn *= scale
  61             crit *= scale
  62             max_warning_level, max_critical_level = params["magic_maxlevels"]
  63             warn = min(warn, max_warning_level)
  64             crit = min(crit, max_critical_level)
  65         levels_text = " (warn/crit at %.1f%%/%.1f%%)" % (warn, crit)
  66         warn_bytes = warn * size_bytes / 100
  67         crit_bytes = crit * size_bytes / 100
  68
  69     # Absolute free space in MB
  70     else:
  71         output_as_percentage = False
  72         warn_bytes = warn * 1024 * 1024
  73         crit_bytes = crit * 1024 * 1024
  74         levels_text = " (warn/crit at %s/%s)" % (get_bytes_human_readable(warn_bytes),
  75                                                  get_bytes_human_readable(crit_bytes))
  76
  77     return warn_bytes, crit_bytes, levels_text, output_as_percentage