#!/usr/bin/python
# -*- encoding: utf-8; py-indent-offset: 4 -*-
# +------------------------------------------------------------------+
# |             ____ _               _        __  __ _  __           |
# |            / ___| |__   ___  ___| | __   |  \/  | |/ /           |
# |           | |   | '_ \ / _ \/ __| |/ /   | |\/| | ' /            |
# |           | |___| | | |  __/ (__|   <    | |  | | . \            |
# |            \____|_| |_|\___|\___|_|\_\___|_|  |_|_|\_\           |
# |                                                                  |
# | Copyright Mathias Kettner 2014             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-
# ails.  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.

# Author: Lars Michelsen <lm@mathias-kettner.de>
# Modified for Dell Sensors By: Chris Bowlby <cbowlby@tenthpowertech.com>

# Tested with Dell PowerConnect 5448 and 5424 models.
# Relevant SNMP OIDs:
#.1.3.6.1.4.1.674.10895.3000.1.2.110.7.1.1.1.67109249 = INTEGER: 67109249
#.1.3.6.1.4.1.674.10895.3000.1.2.110.7.1.1.1.67109250 = INTEGER: 67109250
#.1.3.6.1.4.1.674.10895.3000.1.2.110.7.1.1.1.67109251 = INTEGER: 67109251
#.1.3.6.1.4.1.674.10895.3000.1.2.110.7.1.1.2.67109249 = STRING: "fan1_unit1"
#.1.3.6.1.4.1.674.10895.3000.1.2.110.7.1.1.2.67109250 = STRING: "fan2_unit1"
#.1.3.6.1.4.1.674.10895.3000.1.2.110.7.1.1.2.67109251 = STRING: "fan3_unit1"
#.1.3.6.1.4.1.674.10895.3000.1.2.110.7.1.1.3.67109249 = INTEGER: 1
#.1.3.6.1.4.1.674.10895.3000.1.2.110.7.1.1.3.67109250 = INTEGER: 1
#.1.3.6.1.4.1.674.10895.3000.1.2.110.7.1.1.3.67109251 = INTEGER: 1

# Status codes:
# 1 => normal,
# 2 => warning,
# 3 => critical,
# 4 => shutdown,
# 5 => notPresent,
# 6 => notFunctioning

# GENERAL MAPS:
dell_powerconnect_fans_status_map = { '1': 'normal', '2': 'warning', '3': 'critical', '4': 'shutdown', '5': 'notPresent', '6': 'notFunctioning' }
dell_powerconnect_fans_status2nagios_map = { 'normal': 0, 'warning': 1, 'critical': 2, 'shutdown': 3, 'notPresent': 1, 'notFunctioning': 2 }
dell_powerconnect_fans_state_performance_map = { '1': 1, '2': 0, '3': 0, '4': 0, '5': 0, '6': 0 }

# Inventory of all fan related elements
def inventory_dell_powerconnect_fans(checkname, info):
    inventory = []
    for device_id, name, state in info:
        if dell_powerconnect_fans_status_map[state] != 'notPresent':
            inventory.append((name, None))
    return inventory

# The check for the states and details of each fan
def check_dell_powerconnect_fans(item, _not_used, info):
    for device_id, name, state in info:
        if name == item:
            dell_powerconnect_status = dell_powerconnect_fans_status_map[state]
            status = dell_powerconnect_fans_status2nagios_map[dell_powerconnect_status]

	    return (status, 'Condition of FAN "%s" is %s' % (name, dell_powerconnect_status))

    return (3, "item not found in snmp data")


# Auto-detection of fan related details.

check_info["dell_powerconnect_fans"] = {
    'check_function':          check_dell_powerconnect_fans,
    'inventory_function':      inventory_dell_powerconnect_fans,
    'service_description':     'Sensor %s',
    'has_perfdata':            True,
    'snmp_info':               ('.1.3.6.1.4.1.674.10895.3000.1.2.110.7.1.1', ['1', '2', '3']),
    'snmp_scan_function':      \
     lambda oid: ".1.3.6.1.4.1.674.10895" in oid(".1.3.6.1.2.1.1.2.0"),
}
