Return code of 141 is out of bounds

[Thomas Guyot-Sionnest]

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On 17/12/08 12:38 PM, Jack Sprat wrote:
> Problem: Trying to read a pipe delimited file to retrieve status and
> port number is resulting in an "Return code of 141 is out of
> bounds" error.
> 
> Sample file being read, in this example, assume you want to collect
> servera and a status of "running" or "stopped". If the status
> is "running", then the status should appear as ok in Nagios. If the
> status is "stopped", then an email should go out indicating
> the port is down.
> File being read has this (note: those are spaces before and after the pipes)
> -------------------------
> servera | 123 | Running   <---would show as "Port 123 is okay" in Nagios
> if working properly
> servera | 321 | Stopped   <---would show as "Port 321 is down" in Nagios
> if working properly
> servera | 456 | Running
> serverb | 123 | Stopped
> serverb | 321 | Running
> serverb | 456 | Running
> Here is the script residing in libexec called app_port_monitoring.sh
> ---------------------------------------------------------------------
> #!/bin/ksh
> #
> GREPCMD=/usr/bin/grep
> SSHCMD=/usr/local/bin/ssh
> ECHOCMD=/usr/bin/echo
> NAGIOSDIR=/apps/nagios
> STATE_OK=0
> STATE_WARNING=1
> STATE_CRITICAL=2
> STATE_UNKNOWN=3
> STATE_DEPENDENT=4
> while getopts :u:s:p:h: OPT
> do
> case $OPT in
>         u|+u ) export USER=$OPTARG ;;
>         s|+s ) export SERVERNAME=$OPTARG ;;
>         p|+p ) export PORT=$OPTARG ;;
>         : ) $ECHO "$OPTARG requires an argument"; exit $STATE_UNKNOWN;;
>         \? ) $ECHO "$OPTARG: bad option, use -h for help"; exit
> $STATE_UNKNOWN;;
>         h|+h ) $ECHO "Usage: `basename $0` -u USER -s SERVERNAME -p
> PORT" ; exit $STATE_UNKNOWN;;
> esac
> done
> 
> if [ -z "$SERVERNAME" ]; then
> echo "No SERVER specified"
>  exit $STATE_UNKNOWN
> fi
> SSH_STATUS=`$SSHCMD -l ${USER} ${SERVERNAME} "pwd" >/dev/null; echo $?`
>         if [ $SSH_STATUS -ne 0 ]; then
>                 echo "Cannot ssh to $SERVER"
>                 exit $STATE_UNKNOWN
>         fi
> 
> /usr/bin/ksh 'ssh -n -o BatchMode=yes -o StrictHostKeyChecking=no -l
> ${USER} ${SERVERNAME} "export SHELL=bash; cd EEM; . ./ldap
> -bash-traversal; . ./healthcheck; export
> LD_LIBRARY_PATH=\"\$LD_LIBRARY_PATH:/opt/app/${USER}/servers/lib\";
> export PATH=\"\$PA
> TH:/usr/local/bin:/bin\"; ldaphealth; . ./proxy_healthcheck"' |egrep -i
> 'stopped|running' | grep $USER | grep $PORT
>>/tmp/foo_output 2>&1
> 
> # File doesn't exist or doesn't have size greater than zero
> if [[ -f /tmp/foo_output ]]; then
>  echo "file exists"
> else
>  echo "file not found"
>  exit $STATE_UNKNOWN
> fi
> while read LINE; do
> echo ${LINE}
>  STATUS=$(echo ${LINE} | awk {'print $5'})
>  PORT=$(echo ${LINE} | awk {'print $3'})
>        if [ -z "$STATUS" ]; then
>                 echo "Service check problem"
>                 EXITSTATUS=$STATE_UNKNOWN
>         elif [ "$STATUS" = Stopped ]; then
>         echo "${PORT} is down"
>                EXITSTATUS=$STATE_CRITICAL
>         elif [ "$STATUS" = Running ]; then
>         echo "${PORT} is okay"
>                 EXITSTATUS=$STATE_OK
>        else
>                 EXITSTATUS=$STATE_UNKNOWN
>        fi
> 
> done < /tmp/foo_output
> 
> rm -f /tmp/foo_output
> exit $EXITSTATUS
> ---------------------------------
> I can place a set -x at the top of the script above and run it....below
> is the pertinent output
> + read LINE
> + echo servera | 123 | Running
> servera | 123 | Running
> + + awk {print $5}
> + echo servera | 123 | Running
> STATUS=Running
> + + awk {print $3}
> + echo servera | 123 | Running
> PORT=123
> + [ -z Running ]
> + [ Running = Stopped ]        <---- problem ??
> + [ Running = Running ]        <---- problem ??
> + echo 123 is okay
> 123 is okay
> + EXITSTATUS=0
> + read LINE
> + exit 0            <--- exiting normally
> 
> Please let me know if additional information (like the service file
> info) is needed.  Thanks much for any input in getting this
> resolved.

When you run your plugin for testing, are you running it as the nagios
user? Also try adding the "-T" switch to ssh as you won't have any tty
when run from Nagios.

- --
Thomas
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