#!/usr/bin/python
# -*- encoding: utf-8; py-indent-offset: 4 -*-
# +------------------------------------------------------------------+
# |             ____ _               _        __  __ _  __           |
# |            / ___| |__   ___  ___| | __   |  \/  | |/ /           |
# |           | |   | '_ \ / _ \/ __| |/ /   | |\/| | ' /            |
# |           | |___| | | |  __/ (__|   <    | |  | | . \            |
# |            \____|_| |_|\___|\___|_|\_\___|_|  |_|_|\_\           |
# |                                                                  |
# | Copyright Mathias Kettner 2013             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.

# check_mk plugin to monitor storage systems like Fujitsu ETERNUS DX80 S2 supporting FJDARY-E100.MIB
# Copyright (c) 2012 FuH Entwicklungsgesellschaft mbH, Umkirch, Germany. All rights reserved.
# Author: Philipp Hoefflin, 2012, hoefflin+cmk@fuh-e.de

# example snmpwalk output:
# snmpwalk -c public -v 1 dx80 .1.3.6.1.4.1.211.1.21.1.100.3.4.2.1.2
# FJDARY-E100::fjdaryRluInfoTable0.0 =
# Hex-STRING: 00 00 00 A0 10 10 00 00 04 00 00 00 00 FF FF FF
#             00 00 D0 E3 00 00 00 00 80 00 00 00 80 00 00 00
#             00 00 00 00 01 20 40 40 0F 01 01 04 32 00 00 00
#             01 00 00 01
# FJDARY-E100::fjdaryRluInfoTable0.1 =
# Hex-STRING: 01 00 00 A0 11 11 00 00 01 00 00 00 00 FF FF FF
#             00 00 00 11 01 00 00 00 00 02 00 00 00 02 00 00
#             01 00 01 00 01 20 40 40 0F 01 01 02 32 00 00 00
#             01 00 00 01
# FJDARY-E100::fjdaryRluInfoTable0.2 =
# Hex-STRING: 02 00 03 00 00 00 00 00 00 00 00 00 00 FF FF FF
#             00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
#             02 00 02 00 00 00 00 00 00 00 00 00 00 00 00 00
#             00 00 00 00
# FJDARY-E100::fjdaryRluInfoTable0.3 =
# Hex-STRING: 03 00 03 00 00 00 00 00 00 00 00 00 00 FF FF FF
#             00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
#             03 00 03 00 00 00 00 00 00 00 00 00 00 00 00 00
#             00 00 00 00
#

def inventoryfunc(info):
    inventory = []
    for line in info:
        rawdata = line[1]
        if rawdata[3] == '\xa0': # RLUN is present
            inventory.append( (line[0], "", None) )
    return inventory

def checkfunc(item, _no_params, info):
    for line in info:
        if item == line[0]:
            rawdata = line[1]
            if rawdata[3] != '\xa0':
                return (2, "CRIT - RLUN is not present" )
            elif rawdata[2] == '\x08':
                return (1, "WARN - RLUN is rebuilding")
            elif rawdata[2] == '\x07':
                return (1, "WARN - RLUN copyback in progress")
            elif rawdata[2] == '\x41':
                return (1, "WARN - RLUN spare is in use")
            elif rawdata[2] == '\x00':
                return (0, "OK - RLUN is in normal state") # assumption
            else:
                return (2, "CRIT - RLUN in unknown state %02x" % ord(rawdata[2]) )

    return (3, "UNKNOWN - No RLUN %s in SNMP output" % item)

check_info['fjdarye100_rluns'] = (checkfunc, "RLUN %s", 0,  inventoryfunc)
# 2: fjdaryRluInfoTable0
snmp_info['fjdarye100_rluns'] = (".1.3.6.1.4.1.211.1.21.1.100.3.4.2.1", [ 0, "2" ])

snmp_scan_functions['fjdarye100_rluns'] \
        = lambda oid: oid(".1.3.6.1.2.1.1.2.0") == ".1.3.6.1.4.1.211.1.21.1.100"
