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If you have an advanced ISDN card like an [http://www.eicon.com Eicon Diva Server] PRI card, you will probably be aware it has a web interface that can, amongst many other things, indicate the status of the card and the line. Here is a Nagios plugin script that will read this data and feed it back into Nagios. You will need wget installed.

<pre>
#!/bin/sh
 
PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin
 
PROGNAME=`basename $0`
PROGPATH=`echo $0 | sed -e 's,[\\/][^\\/][^\\/]*$,,'`
REVISION=`echo '$Revision: 1.1 $' | sed -e 's/[^0-9.]//g'`
COOKIESFILE="/usr/lib/nagios/wgetcookies"
LINEMONFILE="/tmp/nagiosdivas.$$"
DIVAHOST="localhost"
DIVAPORT=10005
DIVAPASSWD="letmein"
 
. $PROGPATH/utils.sh
 
 print_usage() {
        echo "Usage: $PROGNAME"
}
 
print_help() {
        print_revision $PROGNAME $REVISION
        echo ""
        print_usage
        echo ""
        echo "This plugin checks hardware status of an Eicon DIVAS PRI card."
        echo ""
        support
        exit 0
}
 
case "$1" in
        --help)
                print_help
                exit 0
                ;;
        -h)
                print_help
                exit 0
                ;;
        --version)
                print_revision $PROGNAME $REVISION
                exit 0
                ;;
        -V)
                print_revision $PROGNAME $REVISION
                exit 0
                ;;
        *)
                cd /tmp
                # Log in
                wget -q --save-cookies $COOKIESFILE \
                        --timeout=7 \
                        --load-cookies $COOKIESFILE \
                        --cookies=on \
                        --delete-after \
                        http://$DIVAHOST:$DIVAPORT/login?data=$DIVAPASSWD
 
                # Now grab the line monitor stuff
                wget -q --save-cookies $COOKIESFILE \
                        --timeout=7 \
                        --load-cookies $COOKIESFILE \
                        --cookies=on \
                        -O $LINEMONFILE \
                        http://$DIVAHOST:$DIVAPORT/adapter_line_monitor1.cgi
                WGETSTATUS=$?
 
                # Figure out if we have any alarms
                for I in red blue yellow ; do
                  export ALARMVAL=`cat $LINEMONFILE | grep "var $I" | awk '{ print $4 }' | sed -e 's/;//g'`
                  export ALARM$I=$ALARMVAL
                  export ALARMSTAT=`expr $ALARMSTAT + $ALARMVAL`
                done
                CARDNAME=`cat $LINEMONFILE | grep "var adapter_name" | sed -e 's/^.*=\"//g' -e 's/\";//g'`
 
                # No more data needed, remove our temporary file
                rm $LINEMONFILE
 
                if test "$1" = "-v" -o "$1" = "--verbose"; then
                        echo "YELLOW: ${ALARMyellow}"
                        echo "RED: ${ALARMred}"
                        echo "BLUE: ${ALARMblue}"
                fi
                if test ${WGETSTATUS} -eq 1; then
                        echo "Unable to get status from http://${DIVAHOST}:${DIVAPORT}/ - check DIVAHOST,PORT and PASSWD settings in $0?"
                        exit -1
                fi
                if test ${ALARMSTAT} -eq 0; then
                        echo "DIVAS OK - $CARDNAME"
                        exit 0
                else
                        echo "DIVAS CRITICAL - Alarm detected (RED: $ALARMred. BLUE: $ALARMblue. YELLOW: $ALARMyellow)"
                        exit 2
                fi
                ;;
esac
</pre>

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