#!/bin/sh
# nagios-submit-host -- Submit passive host check result
# 2009-12-11, alex@barton.de

NAME=`basename "$0"`
CREATE=

Usage() {
	echo "$NAME [-c] <host> <code> [<text>]"; echo
	echo "  -c      create new host, if necessary"
	echo "  <host>  Nagios host ID"
	echo "  <code>  Status code: 0=OK, 1=Warning, 2=Error, 3=Unknown"
	echo "  <text>  Optional status message"
	echo; exit 1
}

Error() {
	echo "$NAME: $*"
	exit 1
}

[ -r "/etc/nagios3/system.cfg" ] || Error "Can't read /etc/nagios3/system.cfg!"
. /etc/nagios3/system.cfg 

# Validate command line arguments
if [ "$1" = "-c" ]; then
	CREATE=1; shift
fi
[ $# -ge 2 -a $# -le 3 ] || Usage
[ "$2" = 0 -o "$2" = "1" -o "$2" = "2" -o "$2" = "3" ] || Usage

# Validate configuration
[ -w "$CMDFILE" ] || Error "Can't write to \"$CMDFILE\"!"

time_t=`date +%s`
host="$1"
code="$2"
text="${3:-}"

grep -E "^[[:space:]]+host_name[[:space:]]+${host}\$" "$CFGDIR"/*.cfg >/dev/null 2>&1
if [ $? -ne 0 ]; then
	# Host not configured!
	[ -n "$CREATE" ] || Error "Host \"$host\" not configured!?"
	echo "Creating new Nagios host configuration for \"$host\" ..."
	cfg="$CFGDIR/_host_$host.cfg"
	cat >"$cfg" <<EOF
define host {
	use		${HOST_TEMPLATE_PASSIVE}
	host_name	$host
}
EOF
	chmod "$CFG_MODE" "$cfg" || Error "chmod(1) failed!"
	echo "Reloading Nagios configuration ..."
	"$RCFILE" reload || Error "Failed to reload Nagios configuration!"
	sleep 1
fi

cmd="[$time_t] PROCESS_HOST_CHECK_RESULT;$host;$code;$text"
echo "$cmd" >>"$CMDFILE"