#!/usr/bin/python
# -*- encoding: utf-8; py-indent-offset: 4 -*-
# +------------------------------------------------------------------+
# |             ____ _               _        __  __ _  __           |
# |            / ___| |__   ___  ___| | __   |  \/  | |/ /           |
# |           | |   | '_ \ / _ \/ __| |/ /   | |\/| | ' /            |
# |           | |___| | | |  __/ (__|   <    | |  | | . \            |
# |            \____|_| |_|\___|\___|_|\_\___|_|  |_|_|\_\           |
# |                                                                  |
# | Copyright Mathias Kettner 2015             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.


factory_settings["palo_alto_sessions"] = {
    "levels_sessions_used"     : (60, 70),
}

def inventory_palo_alto_sessions(info):
    return [(None, None)]


def check_palo_alto_sessions(_no_item, params, info):
    sessions_supported, total, tcp, udp, icmp, sslproxy = map(int, info[0])

    if sessions_supported == 0:
        sessions_used_perc = 0
    else:
        sessions_used_perc = float(total)*100 / sessions_supported

    infotext = "%d total active sessions: %d TCP, %d UDP, %d ICMP, %d SSL Proxy." % \
                (total, tcp, udp, icmp, sslproxy)
    infotext += " %.1f%% of %d supported sessions in use." % \
                (sessions_used_perc, sessions_supported)

    warn, crit = params["levels_sessions_used"]
    levelstext = " (warn/crit at %d/%d%%)" % (warn, crit)

    perfdata = [ ("total_active_sessions", total),
                 ("tcp_active_sessions", tcp),
                 ("udp_active_sessions", udp),
                 ("icmp_active_sessions", icmp),
                 ("sslproxy_active_sessions", sslproxy),
               ]

    if sessions_used_perc >= crit:
        status = 2
    elif sessions_used_perc >= warn:
        status = 1
    else:
        status = 0

    if status:
        infotext += levelstext

    return status, infotext, perfdata



check_info["palo_alto_sessions"] = {
    "default_levels_variable"   : "palo_alto_sessions",
    "inventory_function"        : inventory_palo_alto_sessions,
    "check_function"            : check_palo_alto_sessions,
    "service_description"       : "Palo Alto Sessions",
    "snmp_info"                 : ( ".1.3.6.1.4.1.25461.2.1.2.3", [
                                            "2",
                                            "3",
                                            "4",
                                            "5",
                                            "6",
                                            "7", ] ),
    "snmp_scan_function"        : lambda oid: "25461" in oid(".1.3.6.1.2.1.1.2.0"),
    "has_perfdata"              : True,
    "group"                     : "palo_alto_sessions",
}
