#!/bin/bash # Date:2017-10 # Version:0.1 # Description: db_user="root" myisam_db="mysql" db_passwd="123456" host="localhost" backup_dir="/opt/backup/mysql/sql" log_file="/opt/backup/mysql/sql/mysql_backup.log" keep_days=30 mysql="$(which mysql)" mysqldump="$(which mysqldump)" db_list=$(mysql -h$host -u$db_user -p$db_passwd -e 'show databases'|egrep -v 'Database|information_schema|mysql|performance_schema') export PATH="/usr/local/mysql/bin:/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin" dbs=$(echo $db_list|tr '\n' ' ') myisam_dump_file=$backup_dir/MyISAM-$(date +"%Y-%m-%d")-full.sql.gz innodb_dump_file=$backup_dir/InnoDB-$(date +"%Y-%m-%d")-full.sql.gz old_file_myisam=$backup_dir/MyISAM-$(date --date="$keep_days days ago" +"%Y-%m-%d")-full.sql.gz old_file_innodb=$backup_dir/InnoDB-$(date --date="$keep_days days ago" +"%Y-%m-%d")-full.sql.gz info() { if [ $? -eq 0 ];then echo "Full backup $1 successfully." >>$log_file else echo "Full backup $1 failed." >>$log_file echo "Full backup $1 failed."|mail -s "Full backup $2 failed" root@localhost fi } delete_old_files() { if [ -f $1 ];then rm -rf $1 echo "Delete old file '$1' successfully" >>$log_file fi } start_time=$(date +"%F %H:%M:%S") [ ! -d $backup_dir ] && mkdir -p $backup_dir [ ! -f $log_file ] && touch $log_file echo "Starting mysql full backup database at $start_time" >>$log_file $mysqldump -h$host -u$db_user -p$db_passwd -F -B -x --events --triggers \ --routines --master-data=2 $myisam_db|gzip >$myisam_dump_file 2>>$log_file info $myisam_dump_file "MyISAM" $mysqldump -h$host -u$db_user -p$db_passwd -F -B --single-transaction \ --events --triggers --routines --master-data=2 $dbs|gzip >$innodb_dump_file 2>>$log_file info $innodb_dump_file "InnoBD" stop_time=$(date +"%F %H:%M:%S") echo "End mysql full backup database at $stop_time" >>$log_file delete_old_files $old_file_myisam delete_old_files $old_file_innodb echo " " >>$log_file
mysqldump完全備份shell腳本
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