#!/bin/sh
#
# bkctld(8) - NRPE check
#
# Copyright (c) 2017 Victor Laborie <vlaborie@evolix.fr>
#

[ -f /etc/default/bkctld ] && . /etc/default/bkctld

[ -z "$JAILDIR" ] && JAILDIR="/backup/jails"

[ -z "$CRITICAL" ] && CRITICAL=48
[ -z "$WARNING" ] && WARNING=24

cur_time=$(date "+%s")
return=0

jails=$(ls "$JAILDIR")
for jail in $jails; do
    if [ -f "$JAILDIR/$jail/var/log/lastlog" ]; then
        last_conn=$(stat --format=%Y "$JAILDIR/$jail/var/log/lastlog")
        date_diff=$(( ( $cur_time - $last_conn ) / (60*60) ))
        if [ "$date_diff" -gt "$CRITICAL" ]; then
            echo "CRITICAL - $jail - $date_diff hours"
            return=2
        elif [ "$date_diff" -gt "$WARNING" ]; then
            echo "WARNING - $jail - $date_diff hours"
            [ "$return" -ne 2 ] && return=1
        fi
    else
        echo "CRITICAL - $jail doesn't have lastlog !"
        return=2
    fi
done

[ "$return" -eq 0 ] && echo "OK - Nothing to signal"

exit "$return"