[Nagiosplug-devel] New plugin

[mraus at evkhamm.de]

Hi list,

following is a plugin that checks for digital snmp states. I am checking
fans, doors, rooms (movement) and fire-sensors with it. Maybe it is of any
use for you, too.

Greetings,
M.Raus
Germany

---snip---
#! /bin/sh
#
# check_digital (uses check_snmp)
#
# This plugin checks a digital SNMP value. The user may define which numeric
# value should be considered OK and which should be considered as critical.
# Comparison is only done with the critical value. All other values are
# taken to be non-critical.
#
# The user may also define strings to be returned on the OK and CRITICAL
states.
#
# This plugin is usefull for checking doors, rooms, fire-sensors, lights,
fans etc.
#
# Written by Michael H.Raus for KDT Systems Luenen Germany 01/2004
#


PATH=""

ECHO="/bin/echo"
GREP="/bin/grep"
DIFF="/usr/bin/diff"
TAIL="/usr/bin/tail"
CAT="/bin/cat"
RM="/bin/rm"

PROGNAME=`/bin/basename $0`
PROGPATH=`echo $0 | /bin/sed -e 's,[\\/][^\\/][^\\/]*$,,'`
REVISION=`echo '$Revision: 0.1 $' | /bin/sed -e 's/[^0-9.]//g'`

. $PROGPATH/utils.sh

print_usage() {
    echo "Usage: $PROGNAME -H <hostaddress> -o <SNMP OID> -c <critical
state> -u <OK string> -U <critical string>"
}

print_help() {
    print_revision $PROGNAME $REVISION
    echo ""
    print_usage
    echo ""
    support
}

# Make sure the correct number of command line
# arguments have been supplied

if [ $# -lt 1 ]; then
    print_usage
    exit $STATE_UNKNOWN
fi

# Grab the command line arguments

#logfile=$1
#oldlog=$2
#query=$3
exitstatus=$STATE_WARNING #default
while test -n "$1"; do
    case "$1" in
        --help)
            print_help
            exit $STATE_OK
            ;;
        -h)
            print_help
            exit $STATE_OK
            ;;
        --version)
            print_revision $PROGNAME $VERSION
            exit $STATE_OK
            ;;
        -V)
            print_revision $PROGNAME $VERSION
            exit $STATE_OK
            ;;
        -H)
            hostadr=$2
            shift
            ;;
        -o)
            oid=$2
            shift
            ;;
        -u)
            userok=$2
            shift
            ;;
        -U)
            usercrit=$2
            shift
            ;;
        -c)
            critstate=$2
            shift
            ;;
        *)
            echo "Unknown argument: $1"
            print_usage
            exit $STATE_UNKNOWN
           exit $STATE_OK
            ;;
        -H)
            hostadr=$2
            shift
            ;;
        -o)
            oid=$2
            shift
            ;;
        -u)
            userok=$2
            shift
            ;;
        -U)
            usercrit=$2
            shift
            ;;
        -c)
            critstate=$2
            shift
            ;;
        *)
            echo "Unknown argument: $1"
            print_usage
            exit $STATE_UNKNOWN
            ;;
    esac
    shift
done

state=`check_snmp -H $hostadr -C public -o $oid`

#echo ergebnis="$state"

case "$state" in

        "SNMP OK - "$critstate)
                echo $usercrit
                exit $STATE_CRITICAL
                ;;
        *)

                echo $userok
                exit $STATE_OK
                ;;
esac


exit $exitstatus
---snap---
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