checks/cups_queues

   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 # Example output from agent:
  28 # <<<cups_queues>>>
  29 # printer lpr1 disabled since Wed Jun 16 14:21:14 2010 -
  30 #     reason unknown
  31 # printer lpr2 now printing lpr2-3.  enabled since Tue Jun 29 09:22:04 2010
  32 #     Wiederherstellbar: Der Netzwerk-Host „lpr2“ ist beschäftigt, erneuter Versuch in 30 Sekunden …
  33 # printer spr1 is idle.  enabled since Thu Mar 11 14:28:23 2010
  34 # printer spr2 is idle.  enabled since Thu Mar 11 14:28:23 2010
  35 # printer spr3 is idle.  enabled since Thu Mar 11 14:28:23 2010
  36 # printer spr4 is idle.  enabled since Thu Mar 11 14:28:23 2010
  37 # printer spr5 is idle.  enabled since Thu Mar 11 14:28:23 2010
  38 # printer spr6 disabled since Mon Jun 21 10:29:39 2010 -
  39 #     /usr/lib/cups/backend/lpd failed
  40 # printer spr7 is idle.  enabled since Thu Mar 11 14:28:23 2010
  41 # printer spr8 is idle.  enabled since Thu Mar 11 14:28:23 2010
  42 # ---
  43 # lpr2-2                  root              1024   Tue Jun 29 09:02:35 2010
  44 # lpr2-3                  root              1024   Tue Jun 29 09:05:54 2010
  45 # zam19-113565 Sebastian Hirschdobler 3561472 Fri Jul 31 12:58:01 2015
  46
  47 # Default thresholds
  48 factory_settings['cups_queues_default_levels'] = {
  49     'job_count': (5, 10),  # warn/crit for queue entries
  50     'job_age': (360, 720),  # warn/crit for entry age in seconds
  51     'is_idle': 0,  # state for "is idle"
  52     'now_printing': 0,  # state for "now printing"
  53     'disabled_since': 2,  # state for "disbaled since"
  54 }
  55
  56
  57 def parse_cups_queues(info):
  58     parsed = {}
  59
  60     for num, line in enumerate(info):
  61         if line[0] == "printer":
  62             parsed[line[1]] = {
  63                 'status_readable': ' '.join(line[2:4]).replace(' ', '_').strip('.'),
  64                 'output': ' '.join(line[2:]),
  65                 'jobs': [],
  66             }
  67             if len(info) > num+1 and \
  68               not info[num+1][0] in [ 'printer', '---' ]:
  69                 parsed[line[1]]['output'] += " (%s)" % \
  70                     " ".join(info[num+1])
  71         elif line[0] == "---":
  72             break
  73
  74     queue_section = False
  75     for line in info:
  76         if line[0] == '---':
  77             queue_section = True
  78             continue
  79
  80         item = line[0].split("-", 1)[0]
  81         if item in parsed and queue_section:
  82             # Handle different time formats...
  83             try:  # Tue Jun 29 09:05:54 2010
  84                 job_time = time.mktime(time.strptime(' '.join(line[-5:]), \
  85                                 '%a %b %d %H:%M:%S %Y'))
  86             except:  # Thu 29 Aug 2013 12:41:42 AM CEST
  87                 job_time = time.mktime(time.strptime(' '.join(line[-7:]), \
  88                                 '%a %d %b %Y %I:%M:%S %p %Z'))
  89             parsed[item]['jobs'].append(job_time)
  90
  91     return parsed
  92
  93
  94 def inventory_cups_queues(parsed):
  95     for item in parsed:
  96         yield item, {}
  97
  98
  99 def check_cups_queues(item, params, parsed):
 100     if item in parsed:
 101         data = parsed[item]
 102         if isinstance(params, tuple) and len(params) == 4:
 103             params = {
 104                 "job_count": (params[0], params[1]),
 105                 "job_age": (params[2], params[3]),
 106                 'is_idle': 0,
 107                 'now_printing': 0,
 108                 'disabled_since': 2,
 109             }
 110
 111         if data["status_readable"] in params:
 112             state = params[data["status_readable"]]
 113             yield state, data["output"]
 114         else:
 115             yield 3, "Undefinded status output in \"lpr -p\""
 116
 117         now = time.time()
 118         jobs_count = len(data["jobs"])
 119         if jobs_count > 0:
 120             warn_num, crit_num = params["job_count"]
 121             yield 0, "Jobs: %d" % jobs_count, \
 122                      [ ("jobs", jobs_count, warn_num, crit_num, 0) ]
 123
 124             warn_age, crit_age = params["job_age"]
 125             now = time.time()
 126             oldest = min(data["jobs"])
 127             oldest_readable = time.strftime("%c", time.localtime(oldest))
 128
 129             if oldest < now - crit_age or jobs_count > crit_num:
 130                 state = 2
 131             elif oldest < now - warn_age or jobs_count > warn_num:
 132                 state = 1
 133             else:
 134                 state = 0
 135
 136             if state:
 137                 yield state, "Oldest job is from %s" % oldest_readable
 138     else:
 139         yield 3, "Queue not found"
 140
 141
 142 check_info["cups_queues"] = {
 143     'parse_function': parse_cups_queues,
 144     'inventory_function': inventory_cups_queues,
 145     'check_function': check_cups_queues,
 146     'service_description': 'CUPS Queue %s',
 147     'has_perfdata': True,
 148     'default_levels_variable': 'cups_queues_default_levels',
 149     'group': 'cups_queues'
 150 }