checks/postgres_conn_time

   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 # <<<postgres_conn_time>>>
  28 # 0.063
  29
  30 # instances
  31 # <<<postgres_conn_time>>>
  32 # [[[foobar]]]
  33 # 0.063
  34
  35
  36 def parse_postgres_conn_time(info):
  37     parsed = {}
  38     instance_name = ""
  39     for line in info:
  40         if line[0].startswith("[[[") and line[0].endswith("]]]"):
  41             instance_name = line[0][3:-3].upper()
  42             continue
  43         parsed.setdefault(instance_name, float(line[0]))
  44     return parsed
  45
  46
  47 def inventory_postgres_conn_time(parsed):
  48     for instance_name in parsed:
  49         yield instance_name, None
  50
  51
  52 def check_postgres_conn_time(item, _no_params, parsed):
  53     if item in parsed:
  54         conn_time = parsed[item]
  55         return 0, "%s seconds" % conn_time, [("connection_time", conn_time)]
  56
  57     # In case of missing information we assume that the login into
  58     # the database has failed and we simply skip this check. It won't
  59     # switch to UNKNOWN, but will get stale.
  60     raise MKCounterWrapped("Login into database failed")
  61
  62
  63 check_info['postgres_conn_time'] = {
  64     "parse_function": parse_postgres_conn_time,
  65     "inventory_function": inventory_postgres_conn_time,
  66     "check_function": check_postgres_conn_time,
  67     "service_description": "PostgreSQL Connection Time %s",
  68     "has_perfdata": True
  69 }