11#! /bin/bash
22# ######################################################
3- # $Name: mysql_backup .sh
3+ # $Name: mysql_auto_backup .sh
44# $Version: v1.0
55# $Function: Backup MySQL Databases Script
66# $Author: ShaoBo Wan (Tinywan)
77# $organization: https://github.com/Tinywan
8- # $Create Date: 2017年06月29日
9- # $Description: Mysql 自动备份脚本安全加锁机制
8+ # $Create Date: 2017年06月27日
9+ # $Description: 定期备份MySQL数据库
10+ # $crontab: 55 23 * * * bash $PATH/mysql_auto_backup.sh backup >/dev/null 2>&1
1011# ######################################################
11- 12+
1213# Shell Env
13- SHELL_NAME=" mysql_backup.sh"
14- SHELL_TIME=$( date " +%Y-%m-%d" )
15- SHELL_DIR=" /home/www/database_back"
16- SHELL_LOG=" ${SHELL_DIR} /${SHELL_NAME} -${SHELL_TIME} .log"
14+ SHELL_NAME=" mysql_auto_backup.sh"
15+ SHELL_TIME=$( date ' +%Y-%m-%d-%H:%M:%S' )
16+ SHELL_DAY=$( date ' +%Y-%m-%d' )
17+ SHELL_DIR=" /home/www/data-backup"
18+ SHELL_LOG=" ${SHELL_DIR} /logs/${SHELL_NAME} -${SHELL_DAY} .log"
1719LOCK_FILE=" /tmp/${SHELL_NAME} .lock"
1820MYSQL_DUMP=" /usr/bin/mysqldump"
19- MYSQL_BACKUP_DB_NAME=" tinywan_mysql "
21+ MYSQL_BACKUP_DB_NAME=" resty "
2022BACKUP_NAME=${MYSQL_BACKUP_DB_NAME} " -${SHELL_TIME} .sql"
21- 23+
2224# Write Log
2325loglevel=0 # debug:0; info:1; warn:2; error:3
2426TIME=` date ' +%Y-%m-%d %H:%M:%S' `
2527shell_log (){
2628 local log_type=1ドル
2729 local LOG_CONTENT=2ドル
30+ # 这里的写入日志时间修改掉,经过一段时间的测试${TIME} 每次都是一个固定的时间,所以在这里修改为每次写入是自动获取当前时间写入日志
2831 logformat=" ` date ' +%Y-%m-%d %H:%M:%S' ` ${log_type} ]\t [${SHELL_NAME} ] Function: ${FUNCNAME[@]} \t[line:` caller 0 | awk ' {print1ドル}' ` ${LOG_CONTENT} ]"
2932 {
3033 case $log_type in
@@ -39,28 +42,28 @@ shell_log(){
3942 esac
4043 } | tee -a $SHELL_LOG
4144}
42- 43- 45+
46+ # Shell Usage shell_usage函数,用来告诉用户,这个脚本的使用方法
4447shell_usage (){
4548 echo $" Usage: 0ドル {backup}"
4649}
47- 50+
4851shell_lock (){
4952 touch ${LOCK_FILE}
5053}
51- 54+
5255shell_unlock (){
5356 rm -f ${LOCK_FILE}
5457}
55- 58+
5659mysql_zip (){
5760 cd $SHELL_DIR
5861 /bin/bzip2 $BACKUP_NAME
59- find ./ -mindepth 1 -maxdepth 3 -type f -name ' *.bz2' | xargs rm -rf# 进行查找资料,多文件的查找的时候需要增加单引号
60- find ./ -mindepth 1 -maxdepth 3 -type f -name * .sql -mmin +1440 | xargs rm -rf
61- find ./ -mindepth 1 -maxdepth 3 -type f -name * .log -mmin +1440 | xargs rm -rf
62+ find ./ -mindepth 1 -maxdepth 3 -type f -name ' *.bz2' | xargs rm -rf
63+ find ./ -mindepth 1 -maxdepth 3 -type f -name * .sql -mmin +10080 | xargs rm -rf
64+ find ./ -mindepth 1 -maxdepth 3 -type f -name * .log -mmin +10080 | xargs rm -rf
6265}
63- 66+
6467# Backup MySQL weblive Database with mysqldump or innobackupex
6568mysql_backup (){
6669 if [ -f " $LOCK_FILE " ; then
@@ -70,6 +73,7 @@ mysql_backup(){
7073 shell_log info " mysql backup start"
7174 shell_lock
7275 # sleep 10
76+ # $qMYSQL_DUMP $MYSQL_BACKUP_DB_NAME > $SHELL_DIR/$BACKUP_NAME
7377 BACKUP_RES=$( $MYSQL_DUMP $MYSQL_BACKUP_DB_NAME > $SHELL_DIR /$BACKUP_NAME && echo " success" || echo " fail" )
7478 if [ " ${BACKUP_RES} " == " fail" ; then
7579 shell_log error " MYSQL_BACKUP_DB error : ${BACKUP_RES} "
@@ -80,7 +84,7 @@ mysql_backup(){
8084 shell_log info " mysql backup stop"
8185 shell_unlock
8286}
83- 87+
8488# Main Function
8589main (){
8690 case 1ドル in
@@ -90,6 +94,6 @@ main(){
9094 ;;
9195 esac
9296}
93- 97+
9498# Exec
95- main 1ドル
99+ main 1ドル
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