mysqldump完全备份shell脚本
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#!/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原文：http://blog.51cto.com/11829889/2048914
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