#!/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.


# .1.3.6.1.4.1.4526.10.43.1.6.1.3.1.0 2 --> FASTPATH-BOXSERVICES-PRIVATE-MIB::boxServicesFanItemState.1.0
# .1.3.6.1.4.1.4526.10.43.1.6.1.3.1.1 2 --> FASTPATH-BOXSERVICES-PRIVATE-MIB::boxServicesFanItemState.1.1
# .1.3.6.1.4.1.4526.10.43.1.6.1.3.1.2 2 --> FASTPATH-BOXSERVICES-PRIVATE-MIB::boxServicesFanItemState.1.2
# .1.3.6.1.4.1.4526.10.43.1.6.1.3.1.3 2 --> FASTPATH-BOXSERVICES-PRIVATE-MIB::boxServicesFanItemState.1.3
# .1.3.6.1.4.1.4526.10.43.1.6.1.3.1.4 2 --> FASTPATH-BOXSERVICES-PRIVATE-MIB::boxServicesFanItemState.1.4
# .1.3.6.1.4.1.4526.10.43.1.6.1.3.1.5 1 --> FASTPATH-BOXSERVICES-PRIVATE-MIB::boxServicesFanItemState.1.5
# .1.3.6.1.4.1.4526.10.43.1.6.1.3.2.0 2 --> FASTPATH-BOXSERVICES-PRIVATE-MIB::boxServicesFanItemState.2.0
# .1.3.6.1.4.1.4526.10.43.1.6.1.3.2.1 2 --> FASTPATH-BOXSERVICES-PRIVATE-MIB::boxServicesFanItemState.2.1
# .1.3.6.1.4.1.4526.10.43.1.6.1.3.2.2 2 --> FASTPATH-BOXSERVICES-PRIVATE-MIB::boxServicesFanItemState.2.2
# .1.3.6.1.4.1.4526.10.43.1.6.1.3.2.3 2 --> FASTPATH-BOXSERVICES-PRIVATE-MIB::boxServicesFanItemState.2.3
# .1.3.6.1.4.1.4526.10.43.1.6.1.3.2.4 2 --> FASTPATH-BOXSERVICES-PRIVATE-MIB::boxServicesFanItemState.2.4
# .1.3.6.1.4.1.4526.10.43.1.6.1.3.2.5 1 --> FASTPATH-BOXSERVICES-PRIVATE-MIB::boxServicesFanItemState.2.5
# .1.3.6.1.4.1.4526.10.43.1.6.1.4.1.0 3950 --> FASTPATH-BOXSERVICES-PRIVATE-MIB::boxServicesFanSpeed.1.0
# .1.3.6.1.4.1.4526.10.43.1.6.1.4.1.1 3700 --> FASTPATH-BOXSERVICES-PRIVATE-MIB::boxServicesFanSpeed.1.1
# .1.3.6.1.4.1.4526.10.43.1.6.1.4.1.2 3600 --> FASTPATH-BOXSERVICES-PRIVATE-MIB::boxServicesFanSpeed.1.2
# .1.3.6.1.4.1.4526.10.43.1.6.1.4.1.3 3400 --> FASTPATH-BOXSERVICES-PRIVATE-MIB::boxServicesFanSpeed.1.3
# .1.3.6.1.4.1.4526.10.43.1.6.1.4.1.4 0 --> FASTPATH-BOXSERVICES-PRIVATE-MIB::boxServicesFanSpeed.1.4
# .1.3.6.1.4.1.4526.10.43.1.6.1.4.1.5 0 --> FASTPATH-BOXSERVICES-PRIVATE-MIB::boxServicesFanSpeed.1.5
# .1.3.6.1.4.1.4526.10.43.1.6.1.4.2.0 3650 --> FASTPATH-BOXSERVICES-PRIVATE-MIB::boxServicesFanSpeed.2.0
# .1.3.6.1.4.1.4526.10.43.1.6.1.4.2.1 3400 --> FASTPATH-BOXSERVICES-PRIVATE-MIB::boxServicesFanSpeed.2.1
# .1.3.6.1.4.1.4526.10.43.1.6.1.4.2.2 3300 --> FASTPATH-BOXSERVICES-PRIVATE-MIB::boxServicesFanSpeed.2.2
# .1.3.6.1.4.1.4526.10.43.1.6.1.4.2.3 3500 --> FASTPATH-BOXSERVICES-PRIVATE-MIB::boxServicesFanSpeed.2.3
# .1.3.6.1.4.1.4526.10.43.1.6.1.4.2.4 0 --> FASTPATH-BOXSERVICES-PRIVATE-MIB::boxServicesFanSpeed.2.4
# .1.3.6.1.4.1.4526.10.43.1.6.1.4.2.5 0 --> FASTPATH-BOXSERVICES-PRIVATE-MIB::boxServicesFanSpeed.2.5


# Just assumed
factory_settings["netgear_fans_default_levels"] = {
    "lower" : (1500, 1200),
}


def netgear_map_state_txt_to_int(state_nr, version):
    map_state_txt_to_int = {
        "operational"  : 0,
        "failed"       : 2,
        "powering"     : 0,
        "not powering" : 1,
        "not present"  : 1,
        "no power"     : 2,
        "incompatible" : 2,
    }

    if version.startswith("8."):
        map_states = {
            "1" : "operational",
            "2" : "failed",
            "3" : "powering",
            "4" : "not powering",
            "5" : "not present",
        }
    elif version.startswith("10."):
        map_states = {
            "1" : "notpresent",
            "2" : "operational",
            "3" : "failed",
            "4" : "powering",
            "5" : "no power",
            "6" : "not powering",
            "7" : "incompatible",
        }
    else:
        map_states = {
            "1" : "not present",
            "2" : "operational",
            "3" : "failed",
        }

    state_txt = map_states.get(state_nr, "unknown(%s)" % state_nr)
    return map_state_txt_to_int.get(state_txt, 3), state_txt


def parse_netgear_fans(info):
    versioninfo, sensorinfo = info
    parsed = { "__version__" : versioninfo[0][0],
               "__fans__"    : {}, }
    for oid_end, sstate, reading_str in sensorinfo:
        parsed["__fans__"].setdefault("%s" % oid_end.replace(".", "/"), {
            "state"       : sstate,
            "reading_str" : reading_str,
        })
    return parsed


def inventory_netgear_fans(parsed):
    for sensorname, sensorinfo in parsed["__fans__"].items():
        state = sensorinfo["state"]
        if state != "1" and not ( state == "2" and \
           sensorinfo["reading_str"] in [ "0" ] ):
            yield sensorname, {}


def check_netgear_fans(item, params, parsed):
    if item in parsed["__fans__"]:
        data = parsed["__fans__"][item]
        reading_str = data["reading_str"]
        if reading_str != "Not Supported":
            yield check_fan(int(data["reading_str"]), params)
        state, state_readable = netgear_map_state_txt_to_int(data["state"], parsed["__version__"])
        yield state, "Status: %s" % state_readable


check_info['netgear_fans'] = {
    'parse_function'          : parse_netgear_fans,
    'inventory_function'      : inventory_netgear_fans,
    'check_function'          : check_netgear_fans,
    'service_description'     : 'Fan %s',
    'snmp_info'               : [('.1.3.6.1.4.1.4526.10.1.1.1.13', ['']),
                                 ('.1.3.6.1.4.1.4526.10.43.1.6.1', [
                                       OID_END,
                                       "3",    # FASTPATH-BOXSERVICES-PRIVATE-MIB::boxServicesFanItemState
                                       "4",    # FASTPATH-BOXSERVICES-PRIVATE-MIB::boxServicesFanSpeed
                                ])],
    'snmp_scan_function'      : lambda oid: oid(".1.3.6.1.2.1.1.2.0").startswith(".1.3.6.1.4.1.4526.100"),
    'default_levels_variable' : 'netgear_fans_default_levels',
    'includes'                : [ 'fan.include' ],
    'group'                   : 'hw_fans',
}
