#!/usr/bin/python
# -*- encoding: utf-8; py-indent-offset: 4 -*-
# +------------------------------------------------------------------+
# |             ____ _               _        __  __ _  __           |
# |            / ___| |__   ___  ___| | __   |  \/  | |/ /           |
# |           | |   | '_ \ / _ \/ __| |/ /   | |\/| | ' /            |
# |           | |___| | | |  __/ (__|   <    | |  | | . \            |
# |            \____|_| |_|\___|\___|_|\_\___|_|  |_|_|\_\           |
# |                                                                  |
# | Copyright Mathias Kettner 2016             mk@mathias-kettner.de |
# +------------------------------------------------------------------+
#
# This file is part of Check_MK.
# The official homepage is at http://mathias-kettner.de/check_mk.
#
# check_mk is free software;  you can redistribute it and/or modify it
# under the  terms of the  GNU General Public License  as published by
# the Free Software Foundation in version 2.  check_mk is  distributed
# in the hope that it will be useful, but WITHOUT ANY WARRANTY;  with-
# out even the implied warranty of  MERCHANTABILITY  or  FITNESS FOR A
# PARTICULAR PURPOSE. See the  GNU General Public License for more de-
# tails. You should have  received  a copy of the  GNU  General Public
# License along with GNU Make; see the file  COPYING.  If  not,  write
# to the Free Software Foundation, Inc., 51 Franklin St,  Fifth Floor,
# Boston, MA 02110-1301 USA.


# .1.3.6.1.4.1.12148.9.1.17.3.1.1.0 1 --> ELTEK-DISTRIBUTED-MIB::ioUnitID.0
# .1.3.6.1.4.1.12148.9.1.17.3.1.1.1 2 --> ELTEK-DISTRIBUTED-MIB::ioUnitID.1
# .1.3.6.1.4.1.12148.9.1.17.3.1.1.2 3 --> ELTEK-DISTRIBUTED-MIB::ioUnitID.2
# .1.3.6.1.4.1.12148.9.1.17.3.1.1.3 4 --> ELTEK-DISTRIBUTED-MIB::ioUnitID.3
# .1.3.6.1.4.1.12148.9.1.17.3.1.1.4 5 --> ELTEK-DISTRIBUTED-MIB::ioUnitID.4
# .1.3.6.1.4.1.12148.9.1.17.3.1.1.5 6 --> ELTEK-DISTRIBUTED-MIB::ioUnitID.5
# .1.3.6.1.4.1.12148.9.1.17.3.1.1.6 7 --> ELTEK-DISTRIBUTED-MIB::ioUnitID.6
# .1.3.6.1.4.1.12148.9.1.17.3.1.1.7 8 --> ELTEK-DISTRIBUTED-MIB::ioUnitID.7
# .1.3.6.1.4.1.12148.9.1.17.3.1.1.8 9 --> ELTEK-DISTRIBUTED-MIB::ioUnitID.8
# .1.3.6.1.4.1.12148.9.1.17.3.1.1.9 10 --> ELTEK-DISTRIBUTED-MIB::ioUnitID.9
# .1.3.6.1.4.1.12148.9.1.17.3.1.1.10 11 --> ELTEK-DISTRIBUTED-MIB::ioUnitID.10
# .1.3.6.1.4.1.12148.9.1.17.3.1.1.11 12 --> ELTEK-DISTRIBUTED-MIB::ioUnitID.11
# .1.3.6.1.4.1.12148.9.1.17.3.1.1.12 13 --> ELTEK-DISTRIBUTED-MIB::ioUnitID.12
# .1.3.6.1.4.1.12148.9.1.17.3.1.1.13 14 --> ELTEK-DISTRIBUTED-MIB::ioUnitID.13
# .1.3.6.1.4.1.12148.9.1.17.3.1.4.0 0 --> ELTEK-DISTRIBUTED-MIB::ioUnitFanSpeed1.0
# .1.3.6.1.4.1.12148.9.1.17.3.1.4.1 0 --> ELTEK-DISTRIBUTED-MIB::ioUnitFanSpeed1.1
# .1.3.6.1.4.1.12148.9.1.17.3.1.4.2 0 --> ELTEK-DISTRIBUTED-MIB::ioUnitFanSpeed1.2
# .1.3.6.1.4.1.12148.9.1.17.3.1.4.3 0 --> ELTEK-DISTRIBUTED-MIB::ioUnitFanSpeed1.3
# .1.3.6.1.4.1.12148.9.1.17.3.1.4.4 0 --> ELTEK-DISTRIBUTED-MIB::ioUnitFanSpeed1.4
# .1.3.6.1.4.1.12148.9.1.17.3.1.4.5 0 --> ELTEK-DISTRIBUTED-MIB::ioUnitFanSpeed1.5
# .1.3.6.1.4.1.12148.9.1.17.3.1.4.6 0 --> ELTEK-DISTRIBUTED-MIB::ioUnitFanSpeed1.6
# .1.3.6.1.4.1.12148.9.1.17.3.1.4.7 0 --> ELTEK-DISTRIBUTED-MIB::ioUnitFanSpeed1.7
# .1.3.6.1.4.1.12148.9.1.17.3.1.4.8 0 --> ELTEK-DISTRIBUTED-MIB::ioUnitFanSpeed1.8
# .1.3.6.1.4.1.12148.9.1.17.3.1.4.9 0 --> ELTEK-DISTRIBUTED-MIB::ioUnitFanSpeed1.9
# .1.3.6.1.4.1.12148.9.1.17.3.1.4.10 0 --> ELTEK-DISTRIBUTED-MIB::ioUnitFanSpeed1.10
# .1.3.6.1.4.1.12148.9.1.17.3.1.4.11 0 --> ELTEK-DISTRIBUTED-MIB::ioUnitFanSpeed1.11
# .1.3.6.1.4.1.12148.9.1.17.3.1.4.12 0 --> ELTEK-DISTRIBUTED-MIB::ioUnitFanSpeed1.12
# .1.3.6.1.4.1.12148.9.1.17.3.1.4.13 0 --> ELTEK-DISTRIBUTED-MIB::ioUnitFanSpeed1.13
# .1.3.6.1.4.1.12148.9.1.17.3.1.6.0 0 --> ELTEK-DISTRIBUTED-MIB::ioUnitFanSpeed2.0
# .1.3.6.1.4.1.12148.9.1.17.3.1.6.1 0 --> ELTEK-DISTRIBUTED-MIB::ioUnitFanSpeed2.1
# .1.3.6.1.4.1.12148.9.1.17.3.1.6.2 0 --> ELTEK-DISTRIBUTED-MIB::ioUnitFanSpeed2.2
# .1.3.6.1.4.1.12148.9.1.17.3.1.6.3 0 --> ELTEK-DISTRIBUTED-MIB::ioUnitFanSpeed2.3
# .1.3.6.1.4.1.12148.9.1.17.3.1.6.4 0 --> ELTEK-DISTRIBUTED-MIB::ioUnitFanSpeed2.4
# .1.3.6.1.4.1.12148.9.1.17.3.1.6.5 0 --> ELTEK-DISTRIBUTED-MIB::ioUnitFanSpeed2.5
# .1.3.6.1.4.1.12148.9.1.17.3.1.6.6 0 --> ELTEK-DISTRIBUTED-MIB::ioUnitFanSpeed2.6
# .1.3.6.1.4.1.12148.9.1.17.3.1.6.7 0 --> ELTEK-DISTRIBUTED-MIB::ioUnitFanSpeed2.7
# .1.3.6.1.4.1.12148.9.1.17.3.1.6.8 0 --> ELTEK-DISTRIBUTED-MIB::ioUnitFanSpeed2.8
# .1.3.6.1.4.1.12148.9.1.17.3.1.6.9 0 --> ELTEK-DISTRIBUTED-MIB::ioUnitFanSpeed2.9
# .1.3.6.1.4.1.12148.9.1.17.3.1.6.10 0 --> ELTEK-DISTRIBUTED-MIB::ioUnitFanSpeed2.10
# .1.3.6.1.4.1.12148.9.1.17.3.1.6.11 0 --> ELTEK-DISTRIBUTED-MIB::ioUnitFanSpeed2.11
# .1.3.6.1.4.1.12148.9.1.17.3.1.6.12 0 --> ELTEK-DISTRIBUTED-MIB::ioUnitFanSpeed2.12
# .1.3.6.1.4.1.12148.9.1.17.3.1.6.13 0 --> ELTEK-DISTRIBUTED-MIB::ioUnitFanSpeed2.13


# suggested by customer
factory_settings['eltek_fans_default_variables'] = {
    'levels' : (99, 100),
}


def inventory_eltek_fans(info):
    inventory = []
    for index, fan1, fan2 in info:
        if int(fan1) > 0:
            inventory.append(("1/%s" % index, {}))
        if int(fan2) > 0:
            inventory.append(("2/%s" % index, {}))
    return inventory


def check_eltek_fans(item, params, info):
    for index, fan1, fan2 in info:
        for fan_id, reading in [ ("1", float(fan1)), ("2", float(fan2)) ]:
            if "%s/%s" % (fan_id, index) == item:
                state      = 0
                infotext   = "%.1f%% of max RPM" % reading
                levelstext = "at"
                warn, crit = params["levels"]
                if reading >= crit:
                    state = 2
                elif reading >= warn:
                    state = 1

                if params.get("levels_lower", ""):
                    if reading < crit:
                        state = 2
                        levelstext = "below"
                    elif reading < warn:
                        state = 1
                        levelstext = "below"

                if state > 0:
                    infotext += " (warn/crit %s %.1f%%/%.1f%%)" % \
                                  (levelstext, warn, crit)

                return state, infotext


check_info['eltek_fans'] = {
    'inventory_function'        : inventory_eltek_fans,
    'check_function'            : check_eltek_fans,
    'service_description'       : 'Fan %s',
    'snmp_info'                 : (".1.3.6.1.4.1.12148.9.1.17.3.1", [
                                        "1",    # ioUnitID
                                        "4",    # ioUnitFanSpeed1
                                        "6",    # ioUnitFanSpeed2
                                  ]),
    'snmp_scan_function'        : lambda oid: oid(".1.3.6.1.2.1.1.2.0").startswith(".1.3.6.1.4.1.12148.9"),
    'default_levels_variable'   : 'eltek_fans_default_variables',
    'group'                     : 'hw_fans_perc'
}
