Backup Scripts

MySQL Backups

#!/bin/bash
# Shell script to backup MySql database
# To backup Nysql databases file to /backup dir and later pick up by your
# script. You can skip few databases from backup too.
# For more info please see (Installation info):
# http://www.cyberciti.biz/nixcraft/vivek/blogger/2005/01/mysql-backup-script.html
# Last updated: Aug - 2005
# --------------------------------------------------------------------
# This is a free shell script under GNU GPL version 2.0 or above
# Copyright (C) 2004, 2005 nixCraft project
# Feedback/comment/suggestions : http://cyberciti.biz/fb/
# -------------------------------------------------------------------------
# This script is part of nixCraft shell script collection (NSSC)
# Visit http://bash.cyberciti.biz/ for more information.
# -------------------------------------------------------------------------

# Change this as needed

MyUSER=""    # USERNAME
MyPASS=""    # PASSWORD
MyHOST=""    # Hostname
DBS=""       # Store list of databases (leave empty for all)
IGGY=""      # DO NOT BACKUP these databases (leave empty for none)
DEST=""      # Backup Dest directory, change this if you have someother location

# Linux bin paths, change this if it can't be autodetected via which command
MYSQL="$(which mysql)"
MYSQLDUMP="$(which mysqldump)"
CHOWN="$(which chown)"
CHMOD="$(which chmod)"
GZIP="$(which gzip)"

# Get data in dd-mm-yyyy format
NOW="$(date +"%d-%m-%Y")"

# Main directory where backup will be stored
MBD="$DEST/$NOW"

# Get hostname
HOST="$(hostname)"

[ ! -d $MBD ] && mkdir -p $MBD || :

# Only root can access it!
#$CHOWN 0.0 -R $MBD
#$CHMOD 0600 $MBD

# Get all database list first
DBS="$($MYSQL -u $MyUSER -h $MyHOST -p$MyPASS -Bse 'show databases')"
# echo $MYSQL -u $MyUSER -h $MyHOST -p$MyPASS -Bse 'show databases'
for db in $DBS
do
    skipdb=-1
    if [ "$IGGY" != "" ];
    then
        for i in $IGGY
        do
            [ "$db" == "$i" ] && skipdb=1 || :
        done
    fi

    if [ "$skipdb" == "-1" ] ; then
        FILE="$MBD/$db.$HOST.$NOW.gz"
        #echo $FILE
        # do all inone job in pipe,
        # connect to mysql using mysqldump for select mysql database
        # and pipe it out to gz file in backup dir :)
        $MYSQLDUMP -u $MyUSER -h $MyHOST -p$MyPASS --single-transaction $db | $GZIP -9 > $FILE
    fi
done