nagios---checking-quorum-drives

shell script for checking quorum drives on multiple windows nodes

#!/bin/bash

# check_quorum.sh
#
# K Sotiroff 23 Oct 2014
#
# checks quorum drives no matter what node they sit on.
#

usage () {
    echo "Usage: $0 -H hosts (comma separated list) -w warning -c critical -d drive";
    return
}

# check for incoming options
if [ $# -lt 4 ] # we expect 4 options
then
        usage;
        exit 1
fi

# get arguments
hosts=  critical= warning= drive=

while getopts H:w:d:c: opt
do
        case $opt in
        H)      hosts=($OPTARG)
                ;;
        c)      critical=$OPTARG
                ;;
        w)      warning=$OPTARG
                ;;
        d)      drive=$OPTARG
                ;;
        '?')    echo "$0: invalid option -$OPTARG" >&2
                usage;
                exit 1
                ;;
        esac
done

shift $((OPTIND -1))

oIFS="$IFS"; # save the field seperator
IFS=,;  # set the new field separator to ,
set -- $hosts; # split the hosts variable into an array based on IFS
IFS="$oIFS"; # set it back to default

# now loop it
for thishost in "$@"; do
    result=$(/usr/local/nagios/libexec/check_nt -H $thishost -v USEDDISKSPACE -p 1248 -l $drive -w $warning -c $critical );
    found=$(echo $result | grep -c "Invalid drive");

    # found it, no need to go any further.
    if [["$found"_==_"0"|"$found" == "0"]]; then
        echo $result;
        exit 0;
    fi
done

# oops, something went wrong
echo "Critical: Cannot find Quorum drive on any node. Checked $hosts";
exit 2;

The command config is;

define command{
command_name    check_quorum
command_line    $USER1$/check_quorum.sh -H $ARG1$ -w $ARG2$ -c $ARG3$ -d $ARG4$
}

and the service config inside the host is;

define service{
    host_name                   servercluster
    service_description         Q Quorum Drive
    use                         live_service
    check_command               check_quorum!servernode01,servernode02!10%!5%!q
}