====== Nagios Script: tsm_library_path_online ======

Das folgende Skript wurde als Nagios Plugin erzeugt und ist ein einfaches Shell-Skript, welches prüft, ob alle Pfade online sind vorhanden sind.
Schwellwerte: crit>=2, warn>=1

===== Requirements =====

  * bash
  * dsmadmc
  * dsm.sys
  * /etc/default/tsm_nagios.conf

<code>
ANALYST_TSM01="analyst"
ANALYPW_TSM01="password"
</code>

===== Syntax =====

  * check_tsm_scratch -T <tsmserveralias> -H <clientnode> -W <warn> -C <crit>
    * clientnode ist aktuell noch nicht definiert, es ist aber vorgesehen, damit das Skript auch für andere Queries verwendet werden kann.

===== Return-Codes =====

  * [[http://nagiosplug.sourceforge.net/developer-guidelines.html#PLUGOUTPUT|plugin-returncodes]]

===== Skript =====

<code|bash>
#!/bin/bash

# License Information:
#****************************************************
# Tivoli Storage Manager TSM Client                 *
# check_tsm_library_state                           *
#                                                   *
# Nagios Plugin, welches prueft, ob alle Pfade      *
# online sind                                       *
#                                                   *
# Autor:             Thomas Baumann, tiri GmbH      *
# Letzte Aenderung:  07.12.2009                     *
# Copyright:         Thomas Baumann, tiri GmbH      *
#****************************************************

### default variables ###
prog_version=1.0
TIVPATH=/opt/tivoli/tsm/client/ba/bin
DSMADMC=$TIVPATH/dsmadmc
DSMCONF=/etc/default/tsm_nagios.conf

### Nagios Return Codes ###
OK=0
WARNING=1
CRITICAL=2
UNKNOWN=3

help(){

cat <<EOF
$(basename $0) $prog_version
Copyright (c) 2009 Thomas Baumann <tiri-gmbh@tiri.li>

Check TSM Server for Information

Usage:$0 -T <tsm_server_alias> -H <client_node_name> -W <warn> -C <crit>

Options:
          -h             Print detailed help screen
          -V             Print version information
          -T             TSM Server Alias (from dsm.sys)
          -W             Warning Threshold
          -C             Critical Threshold
          -H             currently not in use

EOF
exit 0
}

if [ "$#" -lt 4 ]; then
   echo "insufficient arguments"
   help
fi

while getopts T:VhH:C:W: opt; do
   case $opt in
      V)   echo "$0 $prog_version"
           exit;;
      H)   host=$OPTARG;;
      T)   tsmsrv=$OPTARG;;
      C)   crit=$OPTARG;;
      W)   warn=$OPTARG;;
      h)   help;;
      *)   echo "invalid option"
           exit $UNKNOWN
           ;;
   esac
done

### environment check ###
if [ ! -x $DSMADMC >/dev/null 2>&1 ]; then
   echo "UNKNOWN: - could not find $DSMADMC on this system"
   exit $UNKNOWN
fi
if [ ! -f $DSMCONF >/dev/null 2>&1 ]; then
   echo "UNKNOWN: - could not find $DSMCONF on this system"
   exit $UNKNOWN
fi

. $DSMCONF

eval $(echo DSMUSER=$( echo \$ANALYST_${tsmsrv} ))
eval $(echo DSMPASS=$( echo \$ANALYPW_${tsmsrv} ))

if [ -z $DSMUSER -o -z $DSMPASS ]; then
   echo "UNKNOWN: - could not find ANALYST_$tsmsrv config in config $DSMCONF"
   exit $UNKNOWN
fi

QUERY='Q PATH'

CMD="sudo $DSMADMC -id=${DSMUSER} -pa=${DSMPASS} -se=$tsmsrv -dataonly=yes -displaymode=tab"
$CMD "$QUERY" > /tmp/$(basename $0)-$$.tmp

offline=$(
awk 'BEGIN {offline=0}
        $NF !~ /Yes/ {offline++}
        END {print offline}' /tmp/$(basename $0)-$$.tmp
)

overall_state=0
output="$offline offline"

rm /tmp/$(basename $0)-$$.tmp

if [ "$?" -ne 0 ]; then
   echo "UNKNOWN: $states"
   exit $UNKNOWN
fi

if [[ $offline -gt $warn ]]; then
        overall_state=$WARNING
fi
if [[ $offline -gt $crit ]]; then
        overall_state=$CRITICAL
fi

### evaluate the return code ###
if [ "$overall_state" -eq $OK ]; then
   echo "OK: $output"
   exit $OK
elif [ "$overall_state" -eq $WARNING ]; then
   echo "WARNING: $output"
   exit $WARNING
elif [ "$overall_state" -eq $CRITICAL ]; then
   echo "CRITICAL: $output"
   exit $CRITICAL
else
   echo "UNKNOWN: $output"
   exit $UNKNOWN
fi
</code>