checks/tinkerforge

   1 #!/usr/bin/python
   2 # -*- encoding: utf-8; py-indent-offset: 4 -*-
   3 # +------------------------------------------------------------------+
   4 # |             ____ _               _        __  __ _  __           |
   5 # |            / ___| |__   ___  ___| | __   |  \/  | |/ /           |
   6 # |           | |   | '_ \ / _ \/ __| |/ /   | |\/| | ' /            |
   7 # |           | |___| | | |  __/ (__|   <    | |  | | . \            |
   8 # |            \____|_| |_|\___|\___|_|\_\___|_|  |_|_|\_\           |
   9 # |                                                                  |
  10 # | Copyright Mathias Kettner 2016             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 # <<<tinkerforge:sep(44)>>>
  28 # temperature,6QHSgJ.a.tiq,2181
  29 # humidity,6QHSgJ.c.ugg,250
  30 # ambient,6JLy11.c.uKA,124
  31
  32 # based on customers investigation
  33 tinkerforge_humidity_default_levels = (35, 40, 50, 55)
  34
  35
  36 def parse_tinkerforge(info):
  37     # biggest trouble here is generating sensible item names as tho ones
  38     # provided to us are simply random-generated
  39
  40     def gen_pos(parent, pos):
  41         if parent == "0":
  42             res = ""
  43         else:
  44             res = "%s%s" % (gen_pos(*master_index[parent]), pos)
  45         return res
  46
  47     # first, go through all readings and group them by brick(let) type.
  48     # On this opportunity, also create an index of master bricks which we need
  49     # to query the stack topology
  50     master_index = {}
  51     temp = {}
  52     for line in info:
  53         brick_type, path = line[:2]
  54         try:
  55             brick_type, subtype = brick_type.split(".")
  56         except ValueError:
  57             subtype = None
  58         parent, pos, uid = path.split(".")
  59
  60         if brick_type == "master":
  61             master_index[uid] = (parent, pos)
  62
  63         values = line[2:]
  64         temp.setdefault(brick_type, []).append((parent, pos, subtype, values))
  65
  66     # now go through all the bricks again and sort them within each brick_type-group by their
  67     # position in the topology. items higher up in the topology come first, and among
  68     # "siblings" they are sorted by the port on this host.
  69     res = {}
  70     for brick_type, bricks in temp.iteritems():
  71         counter = 1
  72         for brick in sorted(
  73                 bricks, key=lambda b: gen_pos(b[0], b[1]).rjust(len(master_index) + 1, ' ')):
  74             name = str(counter)
  75             if brick[2]:
  76                 name = "%s %s" % (brick[2], counter)
  77             res.setdefault(brick_type, {})[name] = brick[3]
  78             counter += 1
  79
  80     return res
  81
  82
  83 def inventory_tinkerforge(brick_type, parsed):
  84     for path in parsed.get(brick_type, {}).keys():
  85         if brick_type == "humidity":
  86             yield path, "tinkerforge_humidity_default_levels"
  87         elif brick_type == "ambient":
  88             yield path, None
  89         else:
  90             yield path, {}
  91
  92
  93 def check_tinkerforge_master(item, params, parsed):
  94     if 'master' in parsed and item in parsed['master']:
  95         try:
  96             voltage, current, chip_temp = parsed['master'][item]
  97             yield 0, "%.1f mV" % float(voltage)
  98             yield 0, "%.1f mA" % float(current)
  99             yield check_temperature(float(chip_temp) / 10.0, params, "tinkerforge_%s" % item)
 100         except:
 101             yield 2, parsed['master'][item][0], []
 102
 103
 104 def check_tinkerforge_temperature(item, params, parsed):
 105     if 'temperature' in parsed and item in parsed['temperature']:
 106         reading = float(parsed['temperature'][item][0]) / 100.0
 107         return check_temperature(reading, params, "tinkerforge_%s" % item)
 108
 109
 110 def check_tinkerforge_ambient(item, params, parsed):
 111     if 'ambient' in parsed and item in parsed['ambient']:
 112         reading = float(parsed['ambient'][item][0]) / 100.0
 113         if not params:
 114             params = None
 115         return check_levels(reading, 'brightness', params, unit="lx", infoname="Brightness")
 116
 117
 118 def check_tinkerforge_humidity(item, params, parsed):
 119     if 'humidity' in parsed and item in parsed['humidity']:
 120         return check_humidity(float(parsed['humidity'][item][0]) / 10.0, params)
 121
 122
 123 def check_tinkerforge_motion(item, params, parsed):
 124     def test_in_period(time, periods):
 125         time_mins = time[0] * 60 + time[1]
 126         for per in periods:
 127             per_mins_low = per[0][0] * 60 + per[0][1]
 128             per_mins_high = per[1][0] * 60 + per[1][1]
 129             if time_mins >= per_mins_low and time_mins < per_mins_high:
 130                 return True
 131         return False
 132
 133     weekdays = ["monday", "tuesday", "wednesday", "thursday", "friday", "saturday", "sunday"]
 134     if 'motion' in parsed and item in parsed['motion']:
 135         today = time.localtime()
 136         if 'time_periods' in params:
 137             periods = params['time_periods'][weekdays[today.tm_wday]]
 138         else:
 139             periods = [((0, 0), (24, 0))]
 140         reading = int(parsed['motion'][item][0])
 141         if reading == 1:
 142             status = 1 if test_in_period((today.tm_hour, today.tm_min), periods) else 0
 143             return status, "Motion detected", [('motion', reading)]
 144         return 0, "No motion detected", [('motion', reading)]
 145
 146
 147 check_info['tinkerforge'] = {
 148     'inventory_function': lambda parsed: inventory_tinkerforge('master', parsed),
 149     'check_function': check_tinkerforge_master,
 150     'parse_function': parse_tinkerforge,
 151     'service_description': "Master %s"
 152 }
 153
 154 check_info['tinkerforge.temperature'] = {
 155     'inventory_function': lambda parsed: inventory_tinkerforge('temperature', parsed),
 156     'check_function': check_tinkerforge_temperature,
 157     'has_perfdata': True,
 158     'service_description': "Temperature %s",
 159     'group': 'temperature',
 160     'includes': ['temperature.include']
 161 }
 162
 163 check_info['tinkerforge.ambient'] = {
 164     'inventory_function': lambda parsed: inventory_tinkerforge('ambient', parsed),
 165     'check_function': check_tinkerforge_ambient,
 166     'has_perfdata': True,
 167     'group': 'brightness',
 168     'service_description': "Ambient Light %s"
 169 }
 170
 171 check_info['tinkerforge.humidity'] = {
 172     'inventory_function': lambda parsed: inventory_tinkerforge('humidity', parsed),
 173     'check_function': check_tinkerforge_humidity,
 174     'has_perfdata': True,
 175     'group': 'humidity',
 176     'service_description': "Humidity %s",
 177     'includes': ["humidity.include"],
 178 }
 179
 180 check_info['tinkerforge.motion'] = {
 181     'inventory_function': lambda parsed: inventory_tinkerforge('motion', parsed),
 182     'check_function': check_tinkerforge_motion,
 183     'has_perfdata': True,
 184     'group': 'motion',
 185     'service_description': "Motion Detector %s",
 186 }