check_rsnapshot

#!/bin/bash
# Version 1.0
# ok= 0, Warning = 1, Critical = 2 unknown = 3

HOST="$1"
SNAPDIR="/srv/rsnapshot/$HOST"
BACKTEST="daily.0"
CONFFILE="/etc/rsnapshot.d/$HOST.conf"
LOGFILE="/var/log/rsnapshot/$HOST.log"
PID="/var/run/rsnapshot/rsnapshot-$HOST.pid"
STATUS="3"
CONF_CHECK=0
CONF_TXT=""
DIR_CHECK=0
DIR_TXT=""
ROTATE_CHECK=0
ROTATE_TXT=""
DEBUG=1
LOGERR=""
LOGWARN=""


if [ "$HOST" = "" ]; then
        echo "ERROR: Command needs a host passed to it"
        exit 2
fi

date2stamp() {
        date --utc --date "$1" +%s
}

stamp2date() {
        date --utc --date "1970-01-01 $1 sec" "+%Y-%m-%d %T"
}


dateDiff() {
        case $1 in
                -s)     sec=1; shift;;
                -m)     sec=60; shift;;
                -h)     sec=3600; shift;;
                -d)     sec=86400; shift;;
                *)      sec=86400;;
        esac
        dte1=$(date2stamp $1)
        dte2=$(date2stamp $2)
        diffSec=$((dte2-dte1))
        if ((diffSec < 0)); then abs=3; else abs=1; fi
        echo $((diffSec/sec*abs))
}

if [ -f $SNAPDIR/$BACKTEST ]; then FILEDATE=`date -r $SNAPDIR/$BACKTEST +%F`; fi


# Function
function check_dir {
        if [ ! -d "$SNAPDIR" ]; then
                DIR_CHECK=1
                DIR_TXT="$SNAPDIR is missing"
        fi
}


function check_conf {
        if [ ! -f /var/run/rsnapshot.pid ]; then
                TEST=`rsnapshot -c $CONFFILE -t daily 2>&1 | grep "ERROR"`
                if [ "$TEST" != "" ]; then
                        CONF_TXT=$TEST
                        CONF_CHECK=1
                fi
        fi
}

function check_rotation {
        TIMEDIFF=$(dateDiff -d $FILEDATE $date)
        if [ "$TIMEDIFF" -gt "1" ]; then
                ROTATE_CHECK=1
                ROTATE_TXT="Backup was not rotated in the last 24 hours. Date on $BACKTEST is $FILEDATE"
        fi
}

function check_log {
        if [ -f $LOGFILE ]; then
          LOGDATA="$(egrep ^\\[`date +%d/%b/%Y` $LOGFILE)"
          LOGERR="$(echo "$LOGDATA" | egrep -i 'error:')"
          LOGWARN="$(echo "$LOGDATA" | egrep -i 'warning:'| egrep -v 'but with some warnings')"
        else
          LOGERR="ERROR: Missing log File"
        fi
}


RETSTR=""
RETVAL=0
error_to() {
        if [ "$1" -gt "$RETVAL" ]; then
                RETVAL="$1"
        fi
        RETSTR="$RETSTR
        $2"
}

function finisher {
        if [ "$CONF_CHECK" -gt "0" ]; then
                if [ $DEBUG ]; then echo Check Conf; fi
                error_to 2 "ERROR: The conf file has errors. $CONF_TXT"
        fi

        if [ "${#LOGERR}" -gt "0" ]; then
                error_to 2 "$LOGERR"
        fi

        if [ "${#LOGWARN}" -gt "0" ]; then
                error_to 1 "$LOGWARN"
        fi
        if [ "$ROTATE_CHECK" -gt "0" ]; then
                if [ $DEBUG ]; then echo Check Rotate; fi
                error_to 2 "$ROTATE_TXT"
        fi
        if [ "$RETSTR" == "" ]; then
                RETSTR="OK - No errors reported"
        fi
        echo $RETSTR
        exit $RETVAL
}

check_dir
check_conf
check_rotation
check_log
finisher