#!/bin/bash
# set -x;

# #######################################################################################
# Search for the BEGIN and END lines of yesterdays run of storeBackup in the log file
# #######################################################################################


# FUNCTIONS
f_makeyesterdaysdate(){
        local RETURNVALUE=$(date -d "yesterday 13:00" '+%Y\.%m\.%d');
        echo ${RETURNVALUE};
}



# VARIABLES
YESTERDAYSDATE=$(f_makeyesterdaysdate);
SOURCEDIR="/var/samba/heiko/\.storeBackup/everything";
TARGETDIR="/backup-extern-4TB/everything";
NEEDLE1="BEGIN[[:blank:]]+${YESTERDAYSDATE}[[:blank:]]+[[:digit:]]+:[[:digit:]]+:[[:digit:]]+[[:blank:]]+[[:digit:]]+ backing up directory <${SOURCEDIR}> to <${TARGETDIR}>";
NEEDLE2="END[[:blank:]]+${YESTERDAYSDATE}[[:blank:]]+[[:digit:]]+:[[:digit:]]+:[[:digit:]]+[[:blank:]]+[[:digit:]]+ backing up directory <${SOURCEDIR}> to <${TARGETDIR}/${YESTERDAYSDATE}_[[:digit:]]+\.[[:digit:]]+\.[[:digit:]]+>";
LOGONE="/var/log/storeBackup/backup-everything.log";
LOGTWO="/var/log/storeBackup/backup-everything.log.1";
MESSAGEBEGINSTATUS="0";
MESSAGEENDSTATUS="0";
MESSAGEBEGIN="BEGIN FOUND!";
MESSAGEEND="END FOUND!";



# Find yesterdays BEGIN
if ! grep -E -q "${NEEDLE1}" "${LOGONE}" && ! grep -E -q "${NEEDLE1}" "${LOGTWO}";
then
        MESSAGEBEGINSTATUS="1";
        MESSAGEBEGIN="BEGIN NOT FOUND!";
fi

# Find yesterdays END
if ! grep -E -q "${NEEDLE2}" "${LOGONE}" && ! grep -E -q "${NEEDLE2}" "${LOGTWO}";
then
        MESSAGEENDSTATUS="1";
        MESSAGEEND="END NOT FOUND!";
fi



# Throw a message
printf "${MESSAGEBEGIN}\n${MESSAGEEND}\n";



# Exit with status
if [ "$((${MESSAGEBEGINSTATUS}+${MESSAGEENDSTATUS}))" -gt "0" ];
then
        exit 1;
fi

exit 0;