Kleines einfaches Backup (Bash-)Script

Es gibt sicher einiges effektivere und bessere Scripte um ein System und MySQL Backup zu machen. Das ist jetzt auch nur die erste Version des ganzen und evtl. kann es jemand gebrauchen :)

#####################################################################
# srv-backup.sh - backup the system and the databases               #
# @author:  drscream@cyber-tec.org                                  #
# @version: Thu Oct  4 11:35:39 CEST 2007                           #
#####################################################################

# CONFIGURATION
#####################################################################
# crontab example:
# 21 4    * * * /opt/av-srv/av-srv-backup.sh mysql
#  2 3 1,15 * * /opt/av-srv/av-srv-backup.sh system
#  2 4    * * * /opt/av-srv/av-srv-backup.sh webroot
#  3 6    * * * /opt/av-srv/av-srv-backup.sh pgsql

## log information ##################################################
log_file="/local/backup/backup.log"
datetime=$(date +%Y%m%d-%H%M%S)
fqdn=$(hostname -f)

## select what to backup ############################################
# => 0/1:          deactivate or activate the backup
# => /srv/xxx:     path to save the backup
# => asdf.tar.bz2: file to save the backup
# => sysdir.txt:   text file with the directories to backup
# => rsync:        rsync is set the file will rsynced to the backupsrv
system=(1 '/local/backup/system' 'system.$fqdn.$datetime.tar.gz' './systemdir.txt' 'rsync')

# => 0/1:          deactivate or activate the backup
# => /srv/xxx:     path to save the backup
# => asdf.tar.bz2: file to save the backup
# => /web:         directory to backup
# => rsync:        rsync is set the file will rsynced to the backupsrv
webroot=(1 '/local/backup/webroot' 'web.$fqdn.$datetime.tar.gz' '/web' 'rsync')

# => 0/1:          deactivate or activate the backup
# => /srv/xxx:     path to save the backup
# => user:         sql user (root)
# => password:     sql password
# => rsync:        rsync is set the file will rsynced to the backupsrv
mysql=(1 '/local/backup/mysql' 'root' 'qwe123' 'rsync')

# => 0/1:          deactivate or activate the backup
# => /srv/xxx:     path to save the backup
# => asdf.tar.bz2: file to save the backup
# => user:         sql user (root)
# => rsync:        rsync is set the file will rsynced to the backupsrv
pgsql=(0 '/local/backup/pgsql' 'pgsql.$fqdn.$datetime.sql.gz' 'postgres' 'rsync')

# => 0/1:                       rsync to the specified server
# => username:      username for rsync
# => hostname:      specified backup server host
# => /path:                     path to save the backup ($fqdn is added)
rsync=(1 'username' 'hostname' '/backup')
rsync_args="--archive"

## delete the files after <xx> days #################################
delete_files=20

## global variables #################################################
export LANG="en_US.utf8"
PARAM=$1

# FUNCTIONS
#####################################################################
function delete() {
        find $1 -type f -mtime +$delete_files | xargs rm 2>/dev/null
}

function log() {
        echo $1 >> $log_file
}

function backuprsync() {
        if [[ ${rsync[0]} == 1 && ${1} == "rsync" ]]; then
        log "($datetime) rsync to server ---------------------------"

                rsync ${rsync_args} $2 ${rsync[1]}@${rsync[2]}:${rsync[3]}/${fqdn} >> $log_file

                log "end rsync to server -----------------------------------"
        fi
}

# MAIN
#####################################################################

## system ###########################################################
if [[ ${system[0]} == 1 && ${PARAM} == "system" ]]; then
        # cleanup system backup
        delete ${system[1]}

        # start system backup
        log "($datetime) systembackup: ---------------------------------"
        log "backup following files:"

        dir_backup=$(cat ${system[3]})
        log "$dir_backup"

        # compress the files
        cd /
        tar cvpzf "${system[1]}/${system[2]}" $dir_backup

        # rsync if it is set
        backuprsync ${system[4]} ${system[1]}/${system[2]}

        log "end systembackup ------------------------------------------"
fi

## webroot ##########################################################
if [[ ${webroot[0]} == 1 && ${PARAM} == "webroot" ]]; then
    # cleanup webroot backup
    delete ${webroot[1]}

    # start webroot backup
    log "($datetime) webrootbackup: --------------------------------"
    log "backup following dir:"

    dir_backup=$(ls -la ${webroot[3]})
    log "$dir_backup"

    # compress the files
    cd ${webroot[3]}
    tar cvpzf "${webroot[1]}/${webroot[2]}" *

    # rsync if it is set
        backuprsync ${webroot[4]} ${webroot[1]}/${webroot[2]}

    log "end webrootbackup -----------------------------------------"
fi

## mysql ############################################################
if [[ ${mysql[0]} == 1 && ${PARAM} == "mysql" ]]; then
        # cleanup mysql backup
        delete ${mysql[1]}

        # start mysql backup
        log "($datetime) mysqlbackup -----------------------------------"

        mysqlshow -u ${mysql[2]} --password=${mysql[3]} |  tr -d '|' |  tr -d '+' |  tr -d ' ' | tr -d '-' > /tmp/sql-backup-list.tmp

        list=/tmp/sql-backup-list.tmp
        ig=3
        xr_lines=$(wc -l $list | awk '{ print $1 }')
        while [ "$ig" -le $xr_lines ];  do
                ig=$(expr $ig + 1)
                item=$(awk "NR == $ig {print}" $list)

                mysqldump --add-drop-table --allow-keywords -q -a -c -u ${mysql[2]} --password=${mysql[3]} $item | gzip > ${mysql[1]}/$item.sql.gz

                echo $item >> $dir_backup
        done

        # Remove a temp file
        rm -f /tmp/sql-backup-list.tmp

    # rsync if it is set
        backuprsync ${mysql[4]} ${mysql[1]}

        log "end mysqlbackup -------------------------------------------"
fi

## pgsql ############################################################
if [[ ${pgsql[0]} == 1 && ${PARAM} == "pgsql" ]]; then
        # cleanup pgsql backup
        delete ${pgsql[1]}

        # start pgsql backup
        log "($datetime) pgsqlbackup -----------------------------------"

        pg_dumpall -U${pgsql[3]} | gzip > "${pgsql[1]}/${pgsql[2]}.gz"

    # rsync if it is set
        backuprsync ${pgsql[4]} ${pgsql[1]}

        log "end pgsqlbackup -------------------------------------------"
fi

Server Backup Script Download

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October 06, 2007, 2:35 pm

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