
#!/bin/bash
# Plugin for checking exim mail queue

e_ok=0
e_warning=1
e_critical=2
e_unknown=3

usage="Invalid command line usage.
Usage example: check_eximqueue -w \$warn -c \$crit"

if [ -z $1 ]; then
    echo $usage
    exit $e_unknown
fi

while getopts ":w:c:" options
do
    case $options in
        w ) warning=$OPTARG ;;
        c ) critical=$OPTARG ;;
        * ) echo $usage
            exit $e_unknown ;;
    esac
done

# Determine queue size
qsize=$(sudo exim -bpc)
if [ -z $qsize ]
then
    exit $e_unknown
fi

# Return value
if [ $qsize -ge $critical ]; then
    retval=$e_critical
    echo "QUEUE CRITICAL - $qsize mails in queue"
elif [ $qsize -ge $warning ]; then
    retval=$e_warning
    echo "QUEUE WARNING - $qsize mails in queue"
elif [ $qsize -lt $warning ]; then
    retval=$e_ok
    echo "QUEUE OK - $qsize mails in queue"
fi

exit $retval