backup/backupMgr/getRemoteBackup.sh

#!/bin/bash

#Check if path to the config file was provided
if [ -z "$1" ]
then
    echo "Please call this script with the path to the config file!"
    exit
fi


#Read the backup folders and configuration variables from the config script
. $1

#Local variables
globalErrors=0
logFilePath="${logPath}${logFileName}"

touch $tmpLogFilePath
touch $logFilePath

echo $logFilePath

#Terminate if the last backup has not finished yet
if pidof -o %PPID -x "$0" > /dev/null; then
	echo "Backup job already running. Exiting..."
	exit
fi

#Run the backup jobs as defined in the backup_folders array from the config
echo "Starting backup job(s)" | tee $tmpLogFilePath
for sourceFolder in "${!backup_folders[@]}"
do
	#Exclude files
	IFS=';' read -ra split <<< "${backup_folders[$sourceFolder]}"
	#check if exclude file is given and file exists. Set to zero if not existing.
	if [[ -n ${split[1]} ]] && ! [ -f ${split[1]} ]; then
		echo "Error: Could not find exclude file ${split[1]}. Ignoring it." | tee -a $tmpLogFilePath
		split[1]=""
	fi

	destinationFolder=${split[0]}
	mkdir -p ${destinationFolder}


	while [ "$retryAttempts" -ge "0" ]
	do
		echo "Starting Job" | tee -a $tmpLogFilePath
		echo "SRC: ${sourceFolder}" | tee -a $tmpLogFilePath
		echo "DEST: ${destinationFolder}" | tee -a $tmpLogFilePath
		echo "Exclude file: ${split[1]}" | tee -a $tmpLogFilePath
		date | tee -a $tmpLogFilePath
		#SSH Host settings need to be set in the ssh client config!
		excludeDIRs=${split[1]}
		rsync --delete --out-format="%t %f %''b" -avz ${excludeDIRs:+"--exclude-from=$excludeDIRs"} ${sourceFolder} ${destinationFolder} | tee -a $tmpLogFilePath 2>&1
		rsyncExitCode=$?
		echo "Ending backup job" | tee -a $tmpLogFilePath
		date | tee -a $tmpLogFilePath
		echo "" | tee -a $tmpLogFilePath

		if [ $rsyncExitCode -eq 0 ]; then
			break
		else
			echo "Error: rsync exited with code $rsyncExitCode. Retrying..." | tee -a $tmpLogFilePath
			retryAttempts=$((retryAttempts-1))
			globalErrors=$((globalErrors+1))
		fi
	done
done

#copy over and delete older logs
cat $tmpLogFilePath > $logFilePath

find $logPath -type f -mtime +$rotationDays -name '*.log' -execdir rm -- '{}' \;

#Mail Notifications
if [ $globalErrors -eq 0 ]; then
	#send mail for success
	echo -e "To:$mailTo\nFrom:$mailFrom\nSubject:Backup SUCCESSFUL on $(date +'%c')\n\n$(cat $tmpLogFilePath)" | sendmail $mailTo
else
	#send mail for failure
	echo -e "To:$mailTo\nFrom:$mailFrom\nSubject:Backup FAILED on $(date +'%c')\n\n$(cat $tmpLogFilePath)" | sendmail $mailTo
fi

#delete tmp file
rm $tmpLogFilePath