checks/docker_node_disk_usage

   1 #!/usr/bin/python
   2 # -*- encoding: utf-8; py-indent-offset: 4 -*-
   3 # +------------------------------------------------------------------+
   4 # |             ____ _               _        __  __ _  __           |
   5 # |            / ___| |__   ___  ___| | __   |  \/  | |/ /           |
   6 # |           | |   | '_ \ / _ \/ __| |/ /   | |\/| | ' /            |
   7 # |           | |___| | | |  __/ (__|   <    | |  | | . \            |
   8 # |            \____|_| |_|\___|\___|_|\_\___|_|  |_|_|\_\           |
   9 # |                                                                  |
  10 # | Copyright Mathias Kettner 2018             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
  28 def inventory_docker_node_disk_usage(parsed):
  29     for item in parsed:
  30         yield item, {}
  31
  32
  33 def check_docker_node_disk_usage(item, params, parsed):
  34     data = parsed.get(item)
  35     if data is None:
  36         return
  37
  38     for key, param, conversion_func in (
  39         ('Size', 'size', get_filesize_human_readable),
  40         ('Reclaimable', 'reclaimable', get_filesize_human_readable),
  41         ('TotalCount', 'count', lambda x: x),
  42         ('Active', 'active', lambda x: x),
  43     ):
  44         value = data[key]
  45
  46         warn, crit = params.get(param, (None, None))
  47         if crit is not None and value >= crit:
  48             status, lvl_text = 2, " (warn/crit at %s/%s)" % (warn, crit)
  49         elif warn is not None and value >= warn:
  50             status, lvl_text = 1, " (warn/crit at %s/%s)" % (warn, crit)
  51         else:
  52             status, lvl_text = 0, ""
  53
  54         infotext = "%s: %s%s" % (param, conversion_func(value), lvl_text)
  55         perfdata = [(param, value, warn, crit)]
  56
  57         yield status, infotext, perfdata
  58
  59
  60 check_info["docker_node_disk_usage"] = {
  61     "parse_function": parse_legacy_docker_system_df,
  62     "inventory_function": inventory_docker_node_disk_usage,
  63     "check_function": check_docker_node_disk_usage,
  64     "service_description": "Docker disk usage - %s",
  65     "includes": ["legacy_docker.include"],
  66     "has_perfdata": True,
  67     "group": "docker_node_disk_usage",
  68 }