[MySQL管理] 分享一個腳本
分享一個腳本在瀏覽國外網站時看到的。
#! /bin/bash
# Ameir Abdeldayem
# http://www.ameir.net
# You are free to modify and distribute this code,
# so long as you keep my name and URL in it.
# your MySQL server's name
SERVER=`hostname`
# directory to backup to
BACKDIR=~/backups/mysql
# date format that is appended to filename
DATE=`date +'%m-%d-%Y-%H%M'`
#----------------------MySQL Settings--------------------#
# your MySQL server's location (IP address is best)
HOST=localhost
# MySQL username
USER=root
# MySQL password
PASS=password
# List all of the MySQL databases that you want to backup in here,
# each separated by a space 使用空格隔開
DBS="db1 db2"
# set to 'y' if you want to backup all your databases. this will override
# the database selection above.
DUMPALL=y
#----------------------Mail Settings--------------------#
# set to 'y' if you'd like to be emailed the backup (requires mutt)
MAIL=y
# email addresses to send backups to, separated by a space 使用空格隔開
EMAILS="
[email protected] address
[email protected] [email protected] [email protected]"
SUBJECT="MySQL backup on $SERVER ($DATE)"
#----------------------FTP Settings--------------------#
# set "FTP=y" if you want to enable FTP backups
FTP=y
# FTP server settings; group each remote server using arrays
# you can have unlimited remote FTP servers
FTPHOST="server1"
FTPUSER="user1"
FTPPASS="password1"
FTPHOST="server2"
FTPUSER="user2"
FTPPASS="password2"
# directory to backup to; if it doesn't exist, file will be uploaded to
# first logged-in directory; the array indices correspond to the FTP info above
FTPDIR="backups"
FTPDIR="backups"
#-------------------Deletion Settings-------------------#
# delete old files?
DELETE=y
# how many days of backups do you want to keep?
DAYS=3
#----------------------End of Settings------------------#
# check of the backup directory exists
# if not, create it
if [ ! -d $BACKDIR ]; then
echo -n "Creating $BACKDIR..."
mkdir -p $BACKDIR
echo "done!"
fi
if [ $DUMPALL = "y" ]; then
echo -n "Creating list of all your databases..."
DBS=`mysql -h $HOST --user=$USER --password=$PASS -Bse "show databases;"`
echo "done!"
fi
echo "Backing up MySQL databases..."
for database in $DBS
do
echo -n "Backing up database $database..."
mysqldump -h $HOST --user=$USER --password=$PASS $database > \
$BACKDIR/$SERVER-$database-$DATE-mysqlbackup.sql
gzip -f -9 $BACKDIR/$SERVER-$database-$DATE-mysqlbackup.sql
echo "done!"
done
# if you have the mail program 'mutt' installed on
# your server, this script will have mutt attach the backup
# and send it to the email addresses in $EMAILS
if [ $MAIL = "y" ]; then
BODY="Your backup is ready! Find more useful scripts and info at http://www.ameir.net"
ATTACH=`for file in $BACKDIR/*$DATE-mysqlbackup.sql.gz; do echo -n "-a ${file} "; done`
echo "$BODY" | mutt -s "$SUBJECT" $EMAILS $ATTACH
if [[ $? -ne 0 ]]; then
echo -e "ERROR: Your backup could not be emailed to you! \n";
else
echo -e "Your backup has been emailed to you! \n"
fi
fi
if [ $FTP = "y" ]; then
echo "Initiating FTP connection..."
if [ $DELETE = "y" ]; then
OLDDBS=`cd $BACKDIR; find . -name "*-mysqlbackup.sql.gz" -mtime +$DAYS`
REMOVE=`for file in $OLDDBS; do echo -n -e "delete ${file}\n"; done`
fi
cd $BACKDIR
ATTACH=`for file in *$DATE-mysqlbackup.sql.gz; do echo -n -e "put ${file}\n"; done`
for KEY in "${!FTPHOST[@]}"
do
echo -e "\nConnecting to ${FTPHOST[$KEY]} with user ${FTPUSER[$KEY]}..."
ftp -nv <<EOF
open ${FTPHOST[$KEY]}
user ${FTPUSER[$KEY]} ${FTPPASS[$KEY]}
tick
cd ${FTPDIR[$KEY]}
$REMOVE
$ATTACH
quit
EOF
done
echo -e "FTP transfer complete! \n"
fi
if [ $DELETE = "y" ]; then
cd $BACKDIR; for file in $OLDDBS; do rm ${file}; done
if [ $DAYS = "1" ]; then
echo "Yesterday's backup has been deleted."
else
echo "The backups from $DAYS days ago and earlier have been deleted."
fi
fi
echo "Your backup is complete!"
