Force check specific service for the host

check-host-srv.sh

#!/bin/sh

# force check specific service for the host
# using Nagios external commands

NOW=`date +%s`
CMDFILE='/var/spool/nagios/cmd/nagios.cmd'

# check service for the host
f_check() {
  /usr/bin/printf "[%lu] SCHEDULE_FORCED_SVC_CHECK;%s;%s;%s\n" $NOW $HOST $SERVICE $NOW > $CMDFILE
  if [ $? -eq 0 ] ;then
    echo
    echo "Success"
    echo "Issued command : [$NOW] SCHEDULE_FORCED_SVC_CHECK;$HOST;$SERVICE;$NOW"
  else
    echo "Error"
    exit 1
  fi
}

f_usage() {
  echo
  echo "  Force check specific service for the host"
  echo "  using Nagios external commands"
  echo
  echo "  usage: sh $0 hostname servicename"
  echo
}

# MAIN
if [ $# -eq 2 ] ;then
  HOST=$1
  SERVICE=$2
  f_check
else
  f_usage
  exit 1
fi

/usr/bin/printf "[%lu] SCHEDULE_FORCED_SVC_CHECK;%s;%s;%s\n" $NOW $HOST "$SERVICE" $NOW > $CMDFILE is better, cause it is support servicename with spaces.