133 lines
3.2 KiB
Bash
133 lines
3.2 KiB
Bash
#!/bin/bash
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#
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# Simple script for creating backups with Duplicity.
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# Full backups are made on the 1st day of each month or with the 'full' option.
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# Incremental backups are made on any other days.
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#
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# contains lines from http://menzerath.eu/artikel/froxlor-alle-datenbanken-und-verzeichnisse-sichern/
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# and http://wiki.hetzner.de/index.php/Duplicity_Script
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#
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# USAGE: backup.sh [full]
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#
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# Keep this comment untouched and do not use this software for military purposes.
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# you are allowed to use this just like you want on your own risk.
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#
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# get day of the month
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DATE=`date +%d`
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# Set protocol (use scp for sftp and ftp for FTP, see manpage for more)
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BPROTO='ssh'
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# set user and hostname of backup account
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BUSER='user'
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BHOST='host.example.com'
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# Setting the password for the Backup account that the
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# backup files will be transferred to.
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# for sftp a public key can and should be used.
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#BPASSWORD='yourpass'
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# MySQL-root-access
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mysql_user="root"
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mysql_password="P4aSsw04d"
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# Temp Dir for SQL Backups (must exist)
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temp="var/customers/temp_backup"
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# directories to backup (but . for /)
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BDIRS="etc var/customers"
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ENDDIR="/media/hddmount/duplicity"
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LOGDIR='/var/log/duplicity' # must exist
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# Setting the pass phrase to encrypt the backup files. Will use symmetrical keys in this case.
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PASSPHRASE='ult4a s3C43t!'
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export PASSPHRASE
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# encryption algorithm for gpg, disable for default (CAST5)
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# see available ones via 'gpg --version'
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ALGO=AES
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##############################
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### MySQL Export
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# Date create
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datum=$(date +"%d"."%m"."%y")
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cd /
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# find all databases
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databases=`mysql -u $mysql_user -p$mysql_password -e "SHOW DATABASES;" | grep -Ev "(Database|information_schema|performance_schema|mysql)"`
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# export all databases
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for db in $databases; do
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mysqldump -u $mysql_user -p$mysql_password $db > "$temp/$db.sql"
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done
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### Backup
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if [ $ALGO ]; then
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GPGOPT="--gpg-options '--cipher-algo $ALGO'"
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fi
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if [ $BPASSWORD ]; then
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BAC="$BPROTO://$BUSER:$BPASSWORD@$BHOST/$ENDDIR"
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else
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BAC="$BPROTO://$BUSER@$BHOST/$ENDDIR"
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fi
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# Check to see if we're at the first of the month.
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# If we are on the 1st day of the month, then run
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# a full backup. If not, then run an incremental
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# backup.
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if [ $DATE = 01 ] || [ "$1" = 'full' ]; then
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TYPE='full'
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else
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TYPE='incremental'
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fi
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for DIR in $BDIRS
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do
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if [ $DIR = '.' ]; then
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EXCLUDELIST='/usr/local/etc/duplicity-exclude.conf'
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else
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EXCLUDELIST="/usr/local/etc/duplicity-exclude-$DIR.conf"
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fi
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if [ -f $EXCLUDELIST ]; then
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EXCLUDE="--exclude-filelist $EXCLUDELIST"
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else
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EXCLUDE=''
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fi
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# first remove everything older than 1 month
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if [ $DIR = '.' ]; then
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CMD="duplicity remove-older-than 1M -v5 $BAC/system >> $LOGDIR/system.log"
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else
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CMD="duplicity remove-older-than 1M -v5 $BAC/$DIR >> $LOGDIR/$DIR.log"
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fi
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eval $CMD
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# do a backup
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if [ $DIR = '.' ]; then
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CMD="duplicity $TYPE -v5 $GPGOPT $EXCLUDE / $BAC/system >> $LOGDIR/system.log"
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else
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CMD="duplicity $TYPE -v5 $GPGOPT $EXCLUDE /$DIR $BAC/$DIR >> $LOGDIR/$DIR.log"
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fi
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eval $CMD
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done
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# Check the manpage for all available options for Duplicity.
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# Unsetting the confidential variables
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unset PASSPHRASE
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unset FTP_PASSWORD
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# Delete SQL Exports
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rm -r $temp
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mkdir $temp
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exit 0
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