#!/bin/bash
warning=${1}
critical=${2}

#this script will check how many imap conns are logged in to the Dovecot server
conns=$(doveadm who | grep imap | wc -l)

PerfData="'num-conns'=$conns;$warning;$critical;"

if [[ $conns -lt $warning ]]; then
        echo "OK - $conns imap conns logged in to the Dovecot server | $PerfData"
        exit 0
fi
if [[ $conns -ge $warning ]] &&  [[ $conns -lt $critical ]]; then
        echo "WARNING - $conns imap conns logged in to the Dovecot server | $PerfData"
        exit 2
fi
if [[ $conns -ge $critical ]] ; then 
        echo "CRITICAL - $conns imap conns logged in to the Dovecot server | $PerfData"
    exit 1
fi