linux下mysql自动备份shell脚本 .

你的名字 2022-03-28 14:30 343阅读 0赞

#!/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.
    # -------------------------------------------------------------------------
     
    MyUSER="SET-MYSQL-USER-NAME"     # USERNAME
    MyPASS="SET-PASSWORD"       # PASSWORD 
    MyHOST="localhost"          # Hostname
     
    # Linux bin paths, change this if it can not be autodetected via which command
    MYSQL="$(which mysql)"
    MYSQLDUMP="$(which mysqldump)"
    CHOWN="$(which chown)"
    CHMOD="$(which chmod)"
    GZIP="$(which gzip)"
     
    # Backup Dest directory, change this if you have someother location
    DEST="/backup"
     
    # Main directory where backup will be stored
    MBD="$DEST/mysql"
     
    # Get hostname
    HOST="$(hostname)"
     
    # Get data in dd-mm-yyyy format
    NOW="$(date +"%d-%m-%Y")"
     
    # File to store current backup file
    FILE=""
    # Store list of databases 
    DBS=""
     
    # DO NOT BACKUP these databases
    IGGY="test"
     
    [ ! -d $MBD ] && mkdir -p $MBD || :
     
    # Only root can access it!
    $CHOWN 0.0 -R $DEST
    $CHMOD 0600 $DEST
     
    # Get all database list first
    DBS="$($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"
    	# 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 $db | $GZIP -9 > $FILE
        fi
    done