#!/bin/sh
#
# ExternalEvent
# Write a command to the Nagios command file to cause it to send service event.
#
echocmd="/bin/echo"
CommandFile="/usr/local/nagios/var/rw/nagios.cmd"

usage()
{
        echo "Usage: $0 [hostname] [service desc] [severity] [comment]"
        echo "   Hostname matches an existing host name within hosts.cfg"
        echo "   Service Desc matches an existing service set in permanent passive mode within services.cfg"
        echo "   Severity is  0 for OK, 1 for Warning or 2 for Critical."
        echo "   Comment to place on the event, which most likely will need to be quoted."
}

if [ $# -lt 4 ]; then
        echo "$0: Too few parameters"
        usage
        exit 1
fi
if [ $# -gt 4 ]; then
        echo "$0: Too many parameters"
        usage
        exit 1
fi

hostname=$1
servicedesc=$2
severity=$3
# command is comment with ; replaced for space
comment_data=${4/;/ }

# get the current date/time in seconds since UNIX epoch
datetime=`date +%s`


if [ $severity != 1 -a $severity != 0 -a $severity != 2 ]; then
        echo "Severity must be 1 or 0 or 2"
        usage
        exit 1
fi

# create the command line to add to the command file
cmdline="[$datetime] PROCESS_SERVICE_CHECK_RESULT;$hostname;$servicedesc;$severity;$comment_data"

# append the command to the end of the command file
`$echocmd $cmdline >> $CommandFile`