checks/check_dns

   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
  28 def check_dns_arguments(params):
  29     description, settings = params
  30     args = '-H %s' % quote_shell_string(description)
  31
  32     if "server" in settings:
  33         if settings["server"] is not None:
  34             args += ' -s %s' % quote_shell_string(settings["server"])
  35     else:
  36         args += " -s '$HOSTADDRESS$'"
  37
  38     if "expected_address" in settings:
  39         # Convert from old (str) to new (list of strings)
  40         exp = settings["expected_address"]
  41         # TODO: Use six.string_types when this is a module.
  42         if isinstance(exp, basestring):
  43             exp = [exp]
  44         for entry in exp:
  45             args += ' -a %s' % quote_shell_string(entry)
  46
  47     if settings.get("expected_authority"):
  48         args += ' -A'
  49
  50     if "response_time" in settings:
  51         args += ' -w %f' % float(settings["response_time"][0])
  52         args += ' -c %f' % float(settings["response_time"][1])
  53
  54     if "timeout" in settings:
  55         args += ' -t %d' % int(settings['timeout'])
  56
  57     return args
  58
  59
  60 def check_dns_desc(params):
  61     if "name" in params[1]:
  62         return params[1]['name']
  63     return "DNS %s" % params[0]
  64
  65
  66 active_check_info['dns'] = {
  67     "command_line": '$USER1$/check_dns $ARG1$',
  68     "argument_function": check_dns_arguments,
  69     "service_description": check_dns_desc,
  70     "has_perfdata": True,
  71 }