#!/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-
# 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.

ups_in_freq_default_levels = (45, 40)  # warning / critical


def parse_ups_in_freq(info):
    parsed = {}
    for name, freq_str in info:
        try:
            freq = int(freq_str) / 10.0
        except ValueError:
            freq = None
        parsed.setdefault(name, freq)
    return parsed


@discover(default_params="ups_in_freq_default_levels")
def inventory_ups_in_freq(key, freq):
    return freq is not None and freq > 0


def check_ups_in_freq(item, params, parsed):
    freq = parsed.get(item)
    if freq is None:
        return

    infotext = "%.1f Hz" % freq
    state = 0
    warn, crit = params
    if freq < crit:
        state = 2
    elif freq < warn:
        state = 1
    if state:
        infotext += " (warn/crit below %s Hz/%s Hz)" % (warn, crit)
    return state, infotext, [("in_freq", freq, warn, crit, 30, 70)]


check_info['ups_in_freq'] = {
    "parse_function": parse_ups_in_freq,
    "inventory_function": inventory_ups_in_freq,
    "check_function": check_ups_in_freq,
    "service_description": "IN frequency phase %s",
    "has_perfdata": True,
    "group": "efreq",
    "snmp_info": (
        ".1.3.6.1.2.1.33.1.3.3.1",
        [
            0,
            2,  # UPS-MIB.txt::upsInputFrequency
        ]),
    "snmp_scan_function": ups_generic_scan_function,
    "includes": ["ups_generic.include"]
}
