#!/bin/sh - 
#
# Proof Of Concept Implementation
#
# Yield UNKNOWN value if the parent (related) plugin failed to run succesfully.
# Mainly used to disable NRPE2 checks if the NRPE2 daemon is not running or
# reachable.
#
# Rick van der Zwet <rick@wirelessleiden.nl>
# 

EXIT_OK=0
EXIT_WARNING=1
EXIT_CRITICAL=2
EXIT_UNKNOWN=3

NRPE2_ARGS=$*
NRPE2_RUNNING_CHECK="NRPE2"

CHECK_NRPE2=/usr/local/libexec/nagios/check_nrpe2

while [ -n "$1" ]; do
  if [ "$1" = "-H" ]; then
    HOSTADDRESS=$2
    break;
  fi
  shift
done

if [ -z "$HOSTADDRESS" ]; then
  echo "CRITICAL: No valid host argument (-H) was found in: $NRPE2_ARGS"
  exit $EXIT_CRITICAL
fi


STATE=`printf "GET services\nColumns: state\nFilter: description = $NRPE2_RUNNING_CHECK\nFilter: host_address = $HOSTADDRESS\n" | /usr/local/lib/mk-livestatus/unixcat /var/spool/nagios/rw/live`

if [ -z "$STATE" ]; then
  echo "CRITICAL: NRPE2 Deamon Alive check ($NRPE2_RUNNING_CHECK) cannot be found"
elif [ "$STATE" != "0" ]; then
  echo "UNKNOWN: NRPE2 Deamon not running."
  exit $EXIT_UNKNOWN
else
  $CHECK_NRPE2 ${NRPE2_ARGS}
fi