nag2tec

#!/bin/bash
#
# Copyright (c) by Oliver Falk <oliver@linux-kernel.at>, 2012-2014
#
# Event handler script to send events to TEC
# Base on scripts by Thomas Hager and Werner Vesely
# Lot of customization in the code needed if you want to
# use this!
#

EMSG=/opt/tivoli/tec/bin/postemsg
EMSGCONF=/opt/tivoli/tec/etc/postemsg.conf

# TEST ONLY:
# EMSG=/bin/echo

LOG="/usr/bin/logger -p daemon.info -t nag2tec --"

usage() {
    me=`basename $0`
    echo "$me etype hostname state statetype [servicename] message"
    echo -e "\t etype       : Event type (HOST or SERVICE)"
    echo -e "\t hostname    : Originator hostname"
    echo -e "\t state       : Current host/service state"
    echo -e "\t statetype   : Current host/service state type (soft,hard)"
    echo -e "\t servicename : Service name (mandatory for SERVICE)"
    echo -e "\t message     : The plugin message"

    exit 1
}

# +++ determine prefix: "N4T" or "N2T"
# ATTENTION: this is hard-coded for Bucharest and Vienna !
MYHOST="`hostname -s`"

if [ $MYHOST == "SOMEHOSTINRO" ] ; then
  MYPREFIX="N2T"
  MYSERVER="http://ronag.site.com"
fi
if [ $MYHOST == "SOMEHOSTINAT" ] ; then
  MYPREFIX="N4T"
  MYSERVER="http://atnag.site.com"
fi
if [ ! $MYPREFIX ]; then
	echo "Could not determine ..."
	exit -255;
fi

if [ $# -lt 5 ]; then
	$LOG "ERROR> Not enough arguments"
	usage
fi

TYPE=$1
ALL=$TYPE
shift

HOST=$1
ALL="$ALL;$HOST"
shift

STATE=$1
ALL="$ALL;$STATE"
shift

STATETYPE=$1
ALL="$ALL;$STATETYPE"
shift

if [ "x$TYPE" == "xSERVICE" ]; then
    SERVICE=$1
    shift
elif [ "x$TYPE" == "xHOST" ]; then
    SERVICE="HOST"
else
    $LOG "ERR> Event Type \"$TYPE\" unknown ($ALL)."
    echo "Event Type \"$TYPE\" unknown."
    exit 3
fi

MES=$@

###
### vrfy vars
###

if [ ! -x $EMSG ]; then
    echo "$EMSG not available"
    $LOG "ERR> $EMSG not available"
    exit 3
fi

if [ ! -s $EMSGCONF ]; then
    echo "$EMSGCONF not available"
    $LOG "ERR> $EMSGCONF not available"
    exit 3
fi

# to be on the safe side...
if [ "x$HOST" == "x" -o \
	"x$STATE" == "x" -o \
	"x$STATETYPE" == "x" -o \
	"x$SERVICE" == "x" ]; then
    $LOG "ERR> Arguments missing"
    usage
fi

if [ $STATETYPE == "SOFT" ]; then
    # do nothing
    $LOG "INFO> Ignoring SOFT event"
    exit 0
elif [ $STATETYPE == "HARD" ]; then
    # ok
    :
else
    $LOG "ERR> State type \"$STATETYPE\" not supported"
    echo "State type \"$STATETYPE\" not supported"
    exit 3
fi

if [ $TYPE == "SERVICE" ]; then
    case $STATE in
	"OK")
             STATE="HARMLESS"
             ;;
	"WARNING")
	     $LOG "INFO> Ignoring WARNING event"
	     # do nothing
	     exit 0
	     ;;
	"UNKNOWN")
	     $LOG "INFO> Ignoring UNKNOWN event"
             # do nothing
             exit 0
	     ;;
	"CRITICAL")
	     STATE="CRITICAL"
	     ;;
	"ACK")
	     STATE="HARMLESS"
             LOG="echo"
	     ;;
	*)
	     $LOG "ERR> State \"$STATE\" not supported"
	     echo "State \"$STATE\" is not supported"
	     exit 3
	     ;;
    esac
else
    case $STATE in
	"UP")
	     STATE="HARMLESS"
             ;;
	"DOWN"|"UNREACHABLE")
             STATE="CRITICAL"
	     ;;
	"ACK")
	     STATE="HARMLESS"
             LOG="echo"
	     ;;
	*)
	     $LOG "ERR> State \"$STATE\" not supported"
	     echo "State \"$STATE\" is not supported"
	     exit 3
	     ;;
    esac
fi

$LOG "INFO> Triggering TEC with HOSTNAME=$HOST SERVICE=$SERVICE STATE=$STATE MESSAGE=\"$MES\""

if [ $TYPE == "SERVICE" ]; then
    $EMSG -f $EMSGCONF -r "$STATE" -m "$MES" hostname="$HOST" adapter_host="$(hostname -s)" monitor=nagios2tec probe_arg="$SERVICE" sub_source=${MYPREFIX}_ServiceGrp universal_application ${MYSERVER}
else
    $EMSG -f $EMSGCONF -r "$STATE" -m "$MES" hostname="$HOST" adapter_host="$(hostname -s)" monitor=nagios2tec probe_arg="$SERVICE" sub_source=${MYPREFIX}_ServiceGrp universal_application ${MYSERVER}
fi