Ttykuu

The following code copy a complete folder (that has 3 folders inside), then check if errors are generated and send email if there's errors, the it proceeds to create 3 different tar files and finally move this tar files to a mounted network drive, every name has been changed or somehow altered in order to comply with my company security policy.

#! /usr/bin/env bash

readonly SUBJECT="BACKUP"
readonly TO="mail@domain.com"
readonly MESSAGE="~/backupMessageError.txt"
readonly TOALL="mail1@domain.com, mail2@domain.com"
readonly MESSAGEALL="~/backupMessageSuccess.txt"

backup () 
 if grep -qs '/mount/dir/' /proc/mounts; then
 rsync --exclude /a/folder/ -ravz /backup/source /backup/destination/ 2> ~/backupMessageError.txt
 if checker $1; then
 mail
 else
 compression
 fi
 else
 mount -o hard,nolock IP:/volume1/folder /mount/dir/ 2> ~/backupMessageError.txt
 if checker $1; then
 mail
 else
 rsync --exclude /a/folder/ -ravz /backup/source/ /backup/destination/ 2>> ~/backupMessageError.txt
 if checker $1; then
 mail
 else
 compression
 fi
 fi
 fi


compression ()
 tar -I pigz -cf backupFolder1.tar.gz folder1 2>> ~/backupMessageError.txt
 tar -I pigz -cf backupFolder2.tar.gz folder2 2>> ~/backupMessageError.txt
 tar -I pigz -cf backupFolder3.tar.gz folder3 2>> ~/backupMessageError.txt
 if checker $1; then
 mail
 else
 storage
 fi


storage ()
 mv /a/folder/backupFolder1.tar.gz /mount/dir/ 2>> ~/backupMessageError.txt
 mv /a/folder/backupFolder2.tar.gz /mount/dir/ 2>> ~/backupMessageError.txt
 mv /a/folder/backupFolder3.tar.gz /mount/dir/ 2>> ~/backupMessageError.txt
 if checker $1; then
 mail
 fi


checker ()
 if [ "$(wc -l < ~/backupMessageError.txt)" -ge 1 ];then
 return 0;
 else
 return 1;
 fi


mail () 
 if checker $1;then
 mail -s "$SUBJECT" "$TO" < $MESSAGE
 else
 mail -s "$SUBJECT" "$TOALL" < $MESSAGEALL
 fi

backup