check_rsync

#!/bin/ksh
#
#
#

# Exit codes
STATE_OK=0
STATE_WARNING=1
STATE_CRITICAL=2
STATE_UNKNOWN=3

VERSION="Version 0.1"
AUTHOR="Narayan Newton <nnewton@tag1consulting.com>"
PROGNAME=`/usr/bin/basename $0`
NOW="$(date +"%s")"

function revision {
   echo "$PROGNAME - $VERSION"
}

function usage {
   echo "Usage: $PROGNAME [-v] -w <age warning> -c <age critical>"
}

function help {
  revision
  usage

   /bin/cat <<__EOT
OPTIONS:
-h
   Print help screen
-V
   Print version 
-w 
   Exit with warning if timestamp file is greater than N old
-c
   Exit with error if timestamp file is greater than N old
-t
   Rsync Target Path
__EOT

}

while [ "$1" ]; do
   case "$1" in
       -h | --help)
           help
           exit $STATE_OK
           ;;
       -V | --version)
           revision
           exit $STATE_OK
           ;;
       -w | --warning | -c | --critical)
           if [[ "$2" = +([0-9]) ]]; then
               thresh=$2
              [[ "$1" = *-w* ]] && thresh_warn=$thresh || thresh_crit=$thresh
              shift 2
           else
              echo 'Number required'
              exit $STATE_CRITICAL
           fi
           ;;
       -t | --target)
           RSYNC_TARGET=$2
           shift 2
           ;;
       -?)
           usage
           exit $STATE_OK
           ;;
       *)
           echo "Invalid option '$1'"
           usage
           exit $STATE_CRITICAL
           ;;
   esac
done

if [[ -z "$thresh_warn" || -z "$thresh_crit" ]]; then
   echo "Threshold not set"
   usage
   exit $STATE_CRITICAL
elif [[ "$thresh_crit" -lt "$thresh_warn" ]]; then
   echo "Critical must be greater than warn threshold"
   usage
   exit $STATE_CRITICAL
elif [[ -z "$RSYNC_TARGET" ]]; then
   echo "You must set a rsync target"
   exit $STATE_CRITICAL
fi

timestamp=`cat ${RSYNC_TARGET}/.rsync_timestamp`
secdiff=$(( ${NOW} - ${timestamp} ))

if [ ${secdiff} -gt ${thresh_crit} ]; then
    echo "RSYNC CRITICAL - timestamp file is ${secdiff} seconds old"
    exit $STATE_CRITICAL
fi

if [ ${secdiff} -gt ${thresh_warn} ]; then
    echo "RSYNC WARNING - timestamp file is ${secdiff} seconds old"
    exit $STATE_WARNING
fi

echo "RSYNC OK - timestamp file is ${secdiff} seconds old"
exit $STATE_OK