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其實主要是為了偷懶，所以就搞了一個自動編寫MySQL數據庫備份腳本，每次寫備份腳本傳參就可以了，僅供參考。

1. MySQL備份模板(上傳到下載平臺)

#!/bin/bash
#################################
# copyright by hwb
# DATE:2020-12-03
# 用途：MYSQL備份模板
#################################
#定義
db_host=localhost
db_port=3306
db_name=mysql_prod
db_user=root
db_pwd=password
backup_path="/data/backup"
# view,function,procedure,event,trigger
output_type='view,function,procedure,event,trigger'
today=`date +"%Y%m%d-%H%M%S"`
data_file=$backup_path/$db_name$today.sql
object_file="${backup_path}/obj_${db_name}$today.sql"
log_file="/home/scripts/mysql_backup.log"
mysql_cmd="mysql -u${db_user} -p${db_pwd} -h${db_host} -P${db_port} "
mysqldump_cmd="mysqldump -u${db_user} -p${db_pwd} -h${db_host} -P${db_port} $db_name "
#調用函數庫
[ -f /etc/init.d/functions ] && source /etc/init.d/functions
export PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin
source /etc/profile
#Require root to run this script.
[ $(id -u) -gt 0 ] && echo "請用root用戶執行此腳本！" && exit 1
[ -d $backup_path ] || mkdir -p $backup_path
#[ ! -n "$5" ] && echo -e "[31m Usage: $0 IP 端口實例名用戶名 '密碼' [0m" && exit 1
function mysql_backup()
{
echo ""
echo -e "[33m***********************************************mysql數據庫備份****************************************************[0m"
echo -e "[36m**************備份數據庫數據到$data_file**************[0m"
#A partial dump from a server that has GTIDs will by default include the GTIDs of all transactions, even those that changed suppressed parts of the database. If you don't want to restore GTIDs, pass --set-gtid-purged=OFF. To make a complete dump, pass --all-databases --triggers --routines --events
$mysqldump_cmd --single_transaction -R -E --flush-logs --master-data=2 --set-gtid-purged=OFF > $data_file
if [ $? -eq 0 ];then
action "[$today]>>>完成數據庫${db_name}數據備份" /bin/true
echo "[$today]>>>完成數據庫${db_name}數據備份" >> ${log_file}
else
action "[$today]>>>數據庫${db_name}備份失敗，請檢查相關配置！" /bin/false
echo "[$today]>>>數據庫${db_name}備份失敗，請檢查相關配置！" >> ${log_file}
exit 1
fi
echo -e "[36m*******備份${db_name}函數、視圖等定義到$object_file***********[0m"
cat > $object_file<<EOF
ouput object‘s definition for database "$db_name"
ouput time: $(date "+%Y-%m-%d %H:%M:%S")
ouput object type: $output_type
EOF
echo "">> $object_file
echo "">> $object_file
# 視圖
if [[ $output_type == *"view"* ]]
then
echo "-- ------------------------------------------------------------" >> $object_file
echo "-- views" >> $object_file
echo "-- ------------------------------------------------------------" >> $object_file
#讓 MySQL不輸出列名可以用-N 或者--skip-column-names參數
$mysql_cmd --skip-column-names
-e "select concat('SHOW CREATE VIEW ',table_schema,'.',table_name,';') from information_schema.views where table_schema='$db_name'" |
sed 's/;/\G/g' | $mysql_cmd $db_name |
sed 's/Create View: /kk_begin /g' | sed 's/[ ]*character_set_client:/; kk_end/g' |
sed -n '/kk_begin/{:a;N;/kk_end/!ba;s/.*kk_begin|kk_end.*//g;p}' >> $object_file
fi
# 函數
if [[ $output_type == *"function"* ]]
then
echo "-- ------------------------------------------------------------" >> $object_file
echo "-- function" >> $object_file
echo "-- ------------------------------------------------------------" >> $object_file
$mysql_cmd --skip-column-names
-e "select concat('SHOW CREATE FUNCTION ',routine_schema,'.',routine_name,';') from information_schema.routines where routine_schema='$db_name' and ROUTINE_TYPE='FUNCTION'" |
sed 's/;/\G/g' | $mysql_cmd $db_name |
sed 's/Create Function: /kk_begin delimiter $$ /g' | sed 's/[ ]*character_set_client:/$$ delimiter ; kk_end/g' |
sed -n '/kk_begin/{:a;N;/kk_end/!ba;s/.*kk_begin|kk_end.*//g;p}' >> $object_file
fi
# 存儲過程
if [[ $output_type == *"procedure"* ]]
then
echo "-- ------------------------------------------------------------" >> $object_file
echo "-- procedure" >> $object_file
echo "-- ------------------------------------------------------------" >> $object_file
$mysql_cmd --skip-column-names
-e "select concat('SHOW CREATE PROCEDURE ',routine_schema,'.',routine_name,';') from information_schema.routines where routine_schema='$db_name' and ROUTINE_TYPE='PROCEDURE'" |
sed 's/;/\G/g' | $mysql_cmd $db_name |
sed 's/Create Procedure: /kk_begin delimiter $$ /g' | sed 's/[ ]*character_set_client:/$$ delimiter ; kk_end/g' |
sed -n '/kk_begin/{:a;N;/kk_end/!ba;s/.*kk_begin|kk_end.*//g;p}' >> $object_file
fi
# 事件
if [[ $output_type == *"event"* ]]
then
echo "-- ------------------------------------------------------------" >> $object_file
echo "-- event" >> $object_file
echo "-- ------------------------------------------------------------" >> $object_file
$mysql_cmd --skip-column-names
-e "select concat('SHOW CREATE EVENT ',EVENT_SCHEMA,'.',EVENT_NAME,';') from information_schema.events where EVENT_SCHEMA='$db_name'" |
sed 's/;/\G/g' | $mysql_cmd |
sed 's/Create Event: /kk_begin delimiter $$ /g' | sed 's/[ ]*character_set_client:/$$ delimiter ; kk_end/g' |
sed -n '/kk_begin/{:a;N;/kk_end/!ba;s/.*kk_begin|kk_end.*//g;p}' >> $object_file
fi
# 觸發器
if [[ $output_type == *"trigger"* ]]
then
echo "-- ------------------------------------------------------------" >> $object_file
echo "-- trigger" >> $object_file
echo "-- ------------------------------------------------------------" >> $object_file
$mysql_cmd --skip-column-names
-e "select concat('SHOW CREATE TRIGGER ',TRIGGER_SCHEMA,'.',TRIGGER_NAME,';') from information_schema.triggers where TRIGGER_SCHEMA='$db_name';" |
sed 's/;/\G/g' | $mysql_cmd $db_name|
sed 's/SQL Original Statement: /kk_begin delimiter $$ /g' | sed 's/[ ]*character_set_client:/$$ delimiter ; kk_end/g' |
sed -n '/kk_begin/{:a;N;/kk_end/!ba;s/.*kk_begin|kk_end.*//g;p}' >> $object_file
fi
# ^M, you need to type CTRL-V and then CTRL-M
sed -i "s/^M//g" $object_file
#清理過期備份
find ${backup_path} -mtime +10 -type f -name '*.sql' -exec rm -f {} ;
if [ $? -eq 0 ];then
action "[$today]>>>完成數據庫${db_name}過期備份清理" /bin/true
echo "[$today]>>>完成數據庫${db_name}過期備份清理" >> ${log_file}
else
action "[$today]>>>數據庫${db_name}過期備份清理失敗，請檢查相關配置！" /bin/false
echo "[$today]>>>數據庫${db_name}過期備份清理失敗，請檢查相關配置！" >> ${log_file}
exit 1
fi
echo -e "[33m**********************************************完成${db_name}數據庫備份**********************************************[0m"
cat > /tmp/mysql_backup.log << EOF
mysql地址：${db_host}
mysql端口：${db_port}
mysql實例名：${db_name}
數據備份文件：${data_file}
定義備份文件：${object_file}
EOF
cat /tmp/mysql_backup.log
echo -e "e[1;31m 以上信息保存在/tmp/mysql_backup.log文件下 e[0m"
echo -e "[33m*******************************************************************************************************************[0m"
echo ""
}
mysql_backup

分享一個自動編寫MySQL數據庫備份腳本

2. 自動編寫MySQL數據庫備份腳本

#!/bin/bash
###################################################################
# copyright by hwb
# DATE: 2020-12-04
# 用途：自動編寫MySQL備份腳本
###################################################################
#腳本外變量
mysql_path="/home/scripts"
script_name="mysql_backup.sh"
mysql_date=`date +"%Y-%m-%d-%H:%M:%S"`
#腳本內變量
db_host="localhost"
db_port="53306"
db_name="dbname"
db_user="root"
db_pwd="xxxx"
backup_path="/data/backup"
bk_backup_path=`echo $backup_path | sed 's:/:\/:g'`
bk_db_pwd=`echo $db_pwd | sed 's:/:\/:g'`
#調用函數庫
[ -f /etc/init.d/functions ] && source /etc/init.d/functions
export PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin
source /etc/profile
#root用戶執行腳本
[ $(id -u) -gt 0 ] && echo "請用root用戶執行此腳本！" && exit 1
#判斷目錄是否存在
[ -d $mysql_path ] || mkdir -p $mysql_path
[ -d $backup_path ] || echo "mysql數據庫備份目錄[$backup_path]不存在，請確認參數是否正確！"
[ -d $backup_path ] || exit 1
function bk_mysqlbackup(){
echo ""
echo -e "[33m**************************自動配置mysql數據庫備份腳本[$mysql_path/$script_name]**************************[0m"
echo ""
echo -e "[36m Usage: $0 [0m"
echo ""
[ -f $mysql_path/$script_name ] && echo "${mysql_path}已存在腳本[${script_name}],請檢查相關配置！" && exit 1
wget https://app.fslgz.com/portal/api/public/fs/association/file/downLoad?uploadId=784001405093478400 -O /opt/mysql_backup_template.sh
mv /opt/mysql_backup_template.sh $mysql_path/$script_name
#處理windows傳linux的腳本格式問題(注意空格位置不能多不能少)
vi +':w ++ff=unix' +':q' ${mysql_path}/${script_name}
sed -i "s/localhost/${db_host}/g" $mysql_path/$script_name
sed -i "s/3306/${db_port}/g" $mysql_path/$script_name
sed -i "s/mysql_prod/${db_name}/g" $mysql_path/$script_name
sed -i "s/root/${db_user}/g" $mysql_path/$script_name
sed -i "s/password/${bk_db_pwd}/g" $mysql_path/$script_name
sed -i "s#/data/backup#${bk_backup_path}#g" $mysql_path/$script_name
action "完成mysql備份腳本[$mysql_path/$script_name]編寫！" /bin/true
chmod u+x $mysql_path/$script_name
#配置定時任務
echo "30 11 * * * /bin/bash ${mysql_path}/${script_name} " >> /var/spool/cron/root
if [ $? -eq 0 ];then
echo ""
action "[$mysql_date]>>>完成數據庫備份定時任務配置" /bin/true
else
echo ""
action "[$mysql_date]>>>定時任務配置失敗，請檢查相關配置！" /bin/false
fi
echo ""
echo "|------------------------------------定時任務內容------------------------------------|"
crontab -l
echo ""
echo "|---------------mysql備份腳本[$mysql_path/$script_name]內容如下---------------|"
cat $mysql_path/$script_name
echo -e "[33m************************************完成mysql數據庫備份腳本配置*****************************************[0m"
echo ""
}
bk_mysqlbackup