checks/timemachine

   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 on success:
  28 # <<<timemachine>>>
  29 # /Volumes/Backup/Backups.backupdb/macvm/2013-11-28-202610
  30 #
  31 # Example output from agent on failure:
  32 # <<<timemachine>>>
  33 # Unable to locate machine directory for host.
  34
  35 factory_settings["timemachine_default_levels"] = {
  36     "age": (86400, 172800)  # 1d/2d
  37 }
  38
  39
  40 def inventory_timemachine(info):
  41     if " ".join(info[0]) != "Unable to locate machine directory for host.":
  42         return [(None, {})]
  43
  44
  45 def check_timemachine(item, params, info):
  46     line = " ".join(info[0])  # We expect at least one line
  47     if not line.startswith("/Volumes/"):
  48         return 2, "Backup seems to have failed, message was: " + line
  49
  50     tokens = line.split("/")
  51     timestamp = tokens[-1]
  52     backup_timeb = time.strptime(timestamp, "%Y-%m-%d-%H%M%S")
  53     backup_time = time.mktime(backup_timeb)
  54     backup_age = time.time() - backup_time
  55
  56     if backup_age < 0:
  57         return 3, "Timestamp of last backup is in the future: " + timestamp
  58
  59     infotext = "Last backup was at %s (%s ago)" % (time.strftime("%c", backup_timeb),
  60                                                    get_age_human_readable(backup_age))
  61
  62     warn, crit = params['age']
  63     if backup_age >= crit:
  64         state = 2
  65         infotext += ", more than %s ago" % get_age_human_readable(crit)
  66     elif backup_age >= warn:
  67         state = 1
  68         infotext += ", more than %s ago" % get_age_human_readable(warn)
  69     else:
  70         state = 0
  71
  72     return state, infotext
  73
  74
  75 check_info["timemachine"] = {
  76     "check_function": check_timemachine,
  77     "inventory_function": inventory_timemachine,
  78     "default_levels_variable": "timemachine_default_levels",
  79     "service_description": "Backup Timemachine",
  80     "group": "backup_timemachine",
  81 }