Festplatten Smarttest für Server v20150606-05

#!/bin/bash


# v20150606-05


# Date of scan. $SCANDATE will execute "date" on every call.
# STRING
SCANDATE="(`date`)"


# Devices to scan. That must be fill on your own! Exsample: DEVICES=( sda sdb sdc )
# For overview what drives are installed on your system use "$cat /proc/partitions", dmesg, lsblk or blkid
# You can't scan a single logical partition like sda1 or sdb3. Use only the physical drive sda and sdb.
# Option MUST be set!
# ARRAY
DEVICES=()


# FakeScan. If you will only test the script, set FAKESCAN to 1. It will only recieve/collect the Smartlog!
# This value must be set! In the FAKESCAN-Mode the sleeptime will only be 10 seconds.
# BOOLEAN 0=off / 1=on
FAKESCAN=0


# Debug mode. Helpful to see what happen.
# BOOLEAN 0=off / 1=on
VERBOSE=0


# Scanmodes for smartctl. For Options run "smartctl --help" or read the manpage "man smartctl".
# Option MUST be set!
# STRING
SCANMODE="--test=long --smart=on --offlineauto=on --saveauto=on"


# Create logfile with hostname within logname to differ from other logfiles when you collect from other hosts.
# STRING
HOST=$(hostname)


# Sleep for one day befor create scanlog. You can degrese or ingrese the value. That must be set in seconds!
# INTEGER
SLEEPTIME=86400


# Set the UID of user that own the logfile. If You are unsure what UID you have type "$echo $UID".
# Option MUST be set!
# INTEGER
USERUID=""


# Set to 1 to send the logfile with mta. 0 not send! You must have a configuraded mta on your system like exim4 or
# postfix to send a mail via smtp. You can't use a external one like gmail.com or other one.
# BOOLEAN 0=off / 1=on
SENDMAIL=0


# Recipient of the logfile "TO:". Exsample: RECIPIENT="serverstatus@exsample.org"
# Option MUST be set if $SENDMAIL is set to 1!
# STRING
RECIPIENT=""


# Simply the sender "FROM:" of the Mail. Exsample: SENDER="root@exsample.org"
# Option MUST be set if $SENDMAIL is set to 1!
# STRING
SENDER=""


ENVSET() {
# You need more output for debug?
if [ ${VERBOSE} -eq 1 ]; then
set -xo
fi


# Can't be run without rootrights!
if [ $UID -gt 0 ];then
echo "This Script must be run as root. Exit 1";
exit 1;
fi


# I'm able to send mail?
if [ ${SENDMAIL} -eq 1 ]; then
CANTSEND=0
    for SENDCHECK in "${RECIPIENT}" "${SENDER}"
    do
        if [ -z ${SENDCHECK} ]; then
        echo "WARNING! I'm unable to send Mail without RECIPIENT and SENDER information.";
        CANTSEND=1;
        break;
        fi
    done
fi


# Testing all VARS are set, that be needed.
for VARSET in ${DEVICES} ${SCANMODE} ${SLEEPTIME} ${USERUID} ${FAKESCAN}
do
    if [ -z "${VARSET}" ]; then
    echo "You must set all VARS on the top of the script. Exit 1";
    exit 1;
    fi
done


# Set more ENVVARS that be needed.
USERGID=$(grep "\<${USERUID}\>" /etc/passwd | awk -F: '{ print $4 }');
LOGOWNER=(${USERUID}:${USERGID});
LOGPATH=$(echo $(grep "\<${USERUID}\>" /etc/passwd | awk -F: '{ print $6 }')/smartscan);


# Exist the directory for logfile?
if [ ! -d ${LOGPATH} ]; then
mkdir -p ${LOGPATH}; chown ${LOGOWNER} ${LOGPATH};
fi
}


SCANPROCESS() {
for SCAN in ${DEVICES[@]}
do
    if [ ${FAKESCAN} -eq 1 ]; then
    echo "Processing only a fakescan on /dev/${SCAN}";
    SLEEPTIME=10;
    else
    smartctl ${SCANMODE} /dev/${SCAN};
    fi
done


if [ ${SENDMAIL} -eq 1 ]; then
    if [ ${CANTSEND} -eq 1 ]; then
    echo -e "\n\n Can't send mail, because RECIPIENT or SENDER is not set" >> ${LOGPATH}/smartscan-${HOST}.log;
    else
    echo "S.M.A.R.T. Scanprocess has started for device(s) ${DEVICES[@]} at ${SCANDATE} on ${HOST}" | mail -r "${SENDER}" -s "Smartscan started at ${HOST} ${SCANDATE}" "${RECIPIENT}";
    fi
fi
}


LOGPROGRESS() {
echo -e "${SCANDATE}\n\n" > ${LOGPATH}/smartscan-${HOST}.log;
sleep ${SLEEPTIME};


for SCANLOG in ${DEVICES[@]}
do
smartctl --all /dev/${SCANLOG} >> ${LOGPATH}/smartscan-${HOST}.log;
done


chown ${LOGOWNER} ${LOGPATH}/smartscan-${HOST}.log;


if [ ${SENDMAIL} -eq 1 ];then
    if [ ${CANTSEND} -eq 1 ]; then
    echo -e "\n\n Can't send mail, because RECIPIENT or SENDER is not set" >> ${LOGPATH}/smartscan-${HOST}.log;
    else
    mail -r "${SENDER}" -s "Smartlog ${HOST} ${SCANDATE}" "${RECIPIENT}" < ${LOGPATH}/smartscan-${HOST}.log;
    fi
fi
}


# MAINPROCESS
ENVSET;
SCANPROCESS;
LOGPROGRESS;


exit $?